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6942 lines
157 KiB
C
6942 lines
157 KiB
C
/* tc-hppa.c -- Assemble for the PA
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Copyright (C) 1989 Free Software Foundation, Inc.
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/*
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HP PA-RISC support was contributed by the Center for Software Science
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at the University of Utah.
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*/
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#include <stdio.h>
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#include <ctype.h>
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#include "as.h"
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#include "subsegs.h"
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/* #include "../bfd/libhppa.h" */
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/*
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* Unwind table and descriptor.
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*/
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struct unwind_desc
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{
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unsigned int cannot_unwind:1;
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unsigned int millicode:1;
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unsigned int millicode_save_rest:1;
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unsigned int region_desc:2;
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unsigned int save_sr:2;
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unsigned int entry_fr:4; /* number saved */
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unsigned int entry_gr:5; /* number saved */
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unsigned int args_stored:1;
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unsigned int call_fr:5;
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unsigned int call_gr:5;
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unsigned int save_sp:1;
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unsigned int save_rp:1;
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unsigned int save_rp_in_frame:1;
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unsigned int extn_ptr_defined:1;
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unsigned int cleanup_defined:1;
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unsigned int hpe_interrupt_marker:1;
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unsigned int hpux_interrupt_marker:1;
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unsigned int reserved:3;
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unsigned int frame_size:27;
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};
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typedef struct unwind_desc unwind_descS;
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struct unwind_table
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{
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unsigned int start_offset; /* starting offset (from SR4) of applicable region */
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unsigned int end_offset; /* ending offset (from SR4) of applicable region */
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unwind_descS descriptor;
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};
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typedef struct unwind_table unwind_tableS;
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/*
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* This structure is used by the .callinfo, .enter, .leave pseudo-ops to
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* control the entry and exit code they generate. It is also used in
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* creation of the correct stack unwind descriptors.
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*
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* The fields in structure roughly correspond to the arguments available on the
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* .callinfo pseudo-op.
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*/
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struct call_info
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{
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int frame;
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int entry_sr;
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int makes_calls;
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int hpux_int;
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unwind_tableS ci_unwind; /* the unwind descriptor we are building */
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symbolS *start_symbol; /* name of function (used in relocation info) */
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symbolS *end_symbol; /* temporary symbol used to mark the */
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/* end of the function (used in */
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/* relocation info) */
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fragS *start_frag; /* frag associated w/ start of this function */
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fragS *end_frag; /* frag associated w/ end of this function */
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fragS *start_offset_frag; /* frag for start offset of this descriptor */
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int start_frag_where; /* where in start_offset_frag is start_offset */
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fixS *start_fix; /* fixup for the start_offset */
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fragS *end_offset_frag; /* frag for start offset of this descriptor */
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int end_frag_where; /* where in end_offset_frag is end_offset */
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fixS *end_fix; /* fixup for the end_offset */
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struct call_info *ci_next; /* the next call_info structure */
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};
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typedef struct call_info call_infoS;
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call_infoS *last_call_info;
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call_infoS *call_info_root;
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call_descS last_call_desc;
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/* A structure used during assembly of individual instructions */
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struct pa_it
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{
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char *error;
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unsigned long opcode;
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/* symbol_dictS *nlistp; *//*** used to be: struct nlist *nlistp; */
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asymbol *nlistp;
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expressionS exp;
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int pcrel;
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FP_Operand_Format fpof1; /* Floating Point Operand Format, operand 1 */
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FP_Operand_Format fpof2; /* Floating Point Operand Format, operand 2 */
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/* (used only for class 1 instructions -- */
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/* the conversion instructions) */
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#ifdef OBJ_SOM
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long field_selector;
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unsigned int reloc;
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int code;
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long arg_reloc;
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unwind_descS unwind;
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#endif
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#ifdef OBJ_ELF
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elf32_hppa_reloc_type reloc;
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long field_selector;
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int format;
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long arg_reloc;
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unwind_descS unwind;
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#endif
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};
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extern struct pa_it the_insn;
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/* careful, this file includes data *declarations* */
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#include "opcode/hppa.h"
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void md_begin ();
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void md_end ();
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void md_number_to_chars ();
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void md_assemble ();
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char *md_atof ();
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void md_convert_frag ();
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void md_create_short_jump ();
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void md_create_long_jump ();
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int md_estimate_size_before_relax ();
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void md_number_to_imm ();
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void md_number_to_disp ();
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void md_number_to_field ();
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void md_ri_to_chars ();
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void emit_relocations ();
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static void pa_ip ();
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const relax_typeS md_relax_table[] =
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{0};
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/* handle of the OPCODE hash table */
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static struct hash_control *op_hash = NULL;
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int md_short_jump_size = 4;
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int md_long_jump_size = 4;
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/* This array holds the chars that always start a comment. If the
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pre-processor is disabled, these aren't very useful */
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const char comment_chars[] = ";"; /* JF removed '|' from comment_chars */
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const pseudo_typeS
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md_pseudo_table[] =
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{
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{"align", s_align_bytes, 0}, /* .align 4 means .align to 4-byte boundary */
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{"ALIGN", s_align_bytes, 0}, /* .align 4 means .align to 4-byte boundary */
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{"block", pa_block, 1},
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{"BLOCK", pa_block, 1},
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{"blockz", pa_block, 0},
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{"BLOCKZ", pa_block, 0},
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{"byte", pa_cons, 1},
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{"BYTE", pa_cons, 1},
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{"call", pa_call, 0},
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{"CALL", pa_call, 0},
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{"callinfo", pa_callinfo, 0},
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{"CALLINFO", pa_callinfo, 0},
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{"code", pa_code, 0},
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{"CODE", pa_code, 0},
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{"comm", pa_comm, 0},
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{"COMM", pa_comm, 0},
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{"copyright", pa_copyright, 0},
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{"COPYRIGHT", pa_copyright, 0},
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{"data", pa_data, 0},
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{"DATA", pa_data, 0},
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{"desc", pa_desc, 0},
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{"DESC", pa_desc, 0},
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{"double", pa_float_cons, 'd'},
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{"DOUBLE", pa_float_cons, 'd'},
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{"end", pa_end, 0},
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{"END", pa_end, 0},
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{"enter", pa_enter, 0},
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{"ENTER", pa_enter, 0},
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{"entry", pa_entry, 0},
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{"ENTRY", pa_entry, 0},
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{"equ", pa_equ, 0},
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{"EQU", pa_equ, 0},
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{"exit", pa_exit, 0},
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{"EXIT", pa_exit, 0},
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{"export", pa_export, 0},
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{"EXPORT", pa_export, 0},
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{"fill", pa_fill, 0},
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{"FILL", pa_fill, 0},
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{"float", pa_float_cons, 'f'},
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{"FLOAT", pa_float_cons, 'f'},
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{"half", pa_cons, 2},
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{"HALF", pa_cons, 2},
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{"import", pa_import, 0},
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{"IMPORT", pa_import, 0},
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{"int", pa_cons, 4},
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{"INT", pa_cons, 4},
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{"label", pa_label, 0},
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{"LABEL", pa_label, 0},
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{"lcomm", pa_lcomm, 0},
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{"LCOMM", pa_lcomm, 0},
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{"leave", pa_leave, 0},
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{"LEAVE", pa_leave, 0},
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{"long", pa_cons, 4},
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{"LONG", pa_cons, 4},
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{"lsym", pa_lsym, 0},
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{"LSYM", pa_lsym, 0},
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{"octa", pa_big_cons, 16},
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{"OCTA", pa_big_cons, 16},
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{"org", pa_origin, 0},
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{"ORG", pa_origin, 0},
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{"origin", pa_origin, 0},
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{"ORIGIN", pa_origin, 0},
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{"proc", pa_proc, 0},
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{"PROC", pa_proc, 0},
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{"procend", pa_procend, 0},
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{"PROCEND", pa_procend, 0},
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{"quad", pa_big_cons, 8},
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{"QUAD", pa_big_cons, 8},
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{"reg", pa_equ, 1}, /* very similar to .equ */
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{"REG", pa_equ, 1}, /* very similar to .equ */
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{"short", pa_cons, 2},
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{"SHORT", pa_cons, 2},
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{"single", pa_float_cons, 'f'},
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{"SINGLE", pa_float_cons, 'f'},
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{"space", pa_space, 0},
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{"SPACE", pa_space, 0},
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{"spnum", pa_spnum, 0},
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{"SPNUM", pa_spnum, 0},
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{"string", pa_stringer, 0},
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{"STRING", pa_stringer, 0},
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{"stringz", pa_stringer, 1},
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{"STRINGZ", pa_stringer, 1},
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{"subspa", pa_subspace, 0},
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{"SUBSPA", pa_subspace, 0},
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{"text", pa_text, 0},
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{"TEXT", pa_text, 0},
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{"version", pa_version, 0},
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{"VERSION", pa_version, 0},
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{"word", pa_cons, 4},
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{"WORD", pa_cons, 4},
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{NULL, 0, 0}
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};
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/* This array holds the chars that only start a comment at the beginning of
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a line. If the line seems to have the form '# 123 filename'
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.line and .file directives will appear in the pre-processed output */
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/* Note that input_file.c hand checks for '#' at the beginning of the
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first line of the input file. This is because the compiler outputs
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#NO_APP at the beginning of its output. */
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/* Also note that '/*' will always start a comment */
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const char line_comment_chars[] = "#";
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const char line_separator_chars[] = "!";
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/* Chars that can be used to separate mant from exp in floating point nums */
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const char EXP_CHARS[] = "eE";
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/* Chars that mean this number is a floating point constant */
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/* As in 0f12.456 */
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/* or 0d1.2345e12 */
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const char FLT_CHARS[] = "rRsSfFdDxXpP";
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/* Also be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be
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changed in read.c . Ideally it shouldn't have to know about it at all,
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but nothing is ideal around here.
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*/
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static unsigned char octal[256];
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#ifndef isoctal
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#define isoctal(c) octal[c]
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#endif
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static unsigned char toHex[256];
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struct pa_it set_insn; /* this structure is defined above */
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/* SKV 12/22/92. Added prev_insn, prev_fix, and initialized the_insn
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so that we can recognize instruction sequences such as (ldil, ble)
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and generate the appropriate fixups. */
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struct pa_it the_insn =
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{
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NULL, /* error */
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0, /* opcode */
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NULL, /* nlistp */
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{
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NULL, /* exp.X_add_symbol */
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NULL, /* exp.X_subtract_symbol */
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0, /* exp.X_add_number */
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NULL /* exp.asection */
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},
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0, /* pcrel */
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0, /* fpof1 */
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0, /* fpof2 */
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0, /* reloc */
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0, /* field_selector */
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0, /* code */
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0, /* arg_reloc */
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{ /* unwind */
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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}
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};
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#ifdef OBJ_ELF
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struct pa_it prev_insn;
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char prev_str[10] = "";
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fixS *prev_fix = NULL;
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fixS *curr_fix = NULL;
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#endif /* OBJ_ELF */
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#ifdef __STDC__
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void print_insn (struct pa_it *insn);
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#else
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void print_insn ();
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#endif
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char *expr_end;
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symbolS *label_symbolP; /* the last label symbol encountered */
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/* saved here in case a .equ is encountered */
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int label_symbol_defined;
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int callinfo_found; /* T if a .callinfo appeared within the current */
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/* procedure definition and F otherwise */
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int within_entry_exit; /* T if the assembler is currently within a */
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/* .entry/.exit pair and F otherwise */
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int exit_processing_complete; /* T is the assembler has completed exit */
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/* processing for the current procedure */
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/* and F otherwise */
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int within_procedure; /* T if the assembler is currently within a */
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/* a procedure definition and F otherwise */
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void ignore_rest_of_line (); /* a useful function in read.c */
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/* default space and subspace dictionaries */
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#define GDB_SYMBOLS GDB_SYMBOLS_SUBSPACE_NAME
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#define GDB_STRINGS GDB_STRINGS_SUBSPACE_NAME
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#if defined(OBJ_ELF)
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struct default_subspace_dict pa_def_subspaces[] =
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{
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{"$CODE$", 0, 1, 0, 0, 0, 0, 24, 0x2c, 0, 8, 0, 0, ".text", SUBSEG_CODE},
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{"$DATA$", 0, 1, 0, 0, 0, 0, 24, 0x1f, 0, 8, 1, 1, ".data", SUBSEG_DATA},
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{"$LIT$", 0, 1, 0, 0, 0, 0, 16, 0x2c, 0, 8, 0, 0, ".text", SUBSEG_LIT},
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{"$BSS$", 0, 1, 0, 0, 0, 1, 80, 0x1f, 0, 8, 1, 1, ".bss", SUBSEG_BSS},
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{"$UNWIND$", 0, 1, 0, 0, 0, 0, 64, 0x2c, 0, 4, 0, 0, ".hppa_unwind", SUBSEG_UNWIND},
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{GDB_STRINGS, 0, 0, 0, 0, 0, 0, 254, 0x1f, 0, 4, 0, 2, ".stabstr", SUBSEG_GDB_STRINGS},
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{GDB_SYMBOLS, 0, 0, 0, 0, 0, 0, 255, 0x1f, 0, 4, 0, 2, ".stab", SUBSEG_GDB_SYMBOLS},
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{NULL, 0, 1, 0, 0, 0, 0, 255, 0x1f, 0, 4, 0, 0, 0}
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};
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struct default_space_dict pa_def_spaces[] =
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{
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{"$TEXT$", 0, 1, 0, 0, 8, ASEC_NULL, ".text"},
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{"$PRIVATE$", 0, 1, 0, 0, 16, ASEC_NULL, ".data"},
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{GDB_DEBUG_SPACE_NAME, 0, 0, 0, 0, 255, ASEC_NULL, ".stab"},
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{NULL, 0, 0, 0, 0, 0, ASEC_NULL, NULL}
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};
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#else
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struct default_subspace_dict pa_def_subspaces[] =
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{
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{"$CODE$", 0, 1, 0, 0, 0, 0, 24, 0x2c, 0, 8, 0, SEG_TEXT, SUBSEG_CODE},
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{"$DATA$", 0, 1, 0, 0, 0, 0, 24, 0x1f, 0, 8, 1, SEG_DATA, SUBSEG_DATA},
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{"$LIT$", 0, 1, 0, 0, 0, 0, 16, 0x2c, 0, 8, 0, SEG_TEXT, SUBSEG_LIT},
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{"$BSS$", 0, 1, 0, 0, 0, 1, 80, 0x1f, 0, 8, 1, SEG_DATA, SUBSEG_BSS},
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{"$UNWIND$", 0, 1, 0, 0, 0, 0, 64, 0x2c, 0, 4, 0, SEG_TEXT, SUBSEG_UNWIND},
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{GDB_STRINGS, 0, 0, 0, 0, 0, 0, 254, 0x1f, 0, 4, 0, SEG_GDB, SUBSEG_GDB_STRINGS
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},
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{GDB_SYMBOLS, 0, 0, 0, 0, 0, 0, 255, 0x1f, 0, 4, 0, SEG_GDB, SUBSEG_GDB_SYMBOLS
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},
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{NULL, 0, 1, 0, 0, 0, 0, 255, 0x1f, 0, 4, 0, SEG_GOOF, 0}
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};
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struct default_space_dict pa_def_spaces[] =
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{
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{"$TEXT$", 0, 1, 0, 0, 8, SEG_TEXT},
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{"$PRIVATE$", 0, 1, 0, 0, 16, SEG_DATA},
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{GDB_DEBUG_SPACE_NAME, 0, 0, 0, 0, 255, SEG_GDB},
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{NULL, 0, 0, 0, 0, 0, SEG_GOOF}
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};
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#endif
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#ifdef USG
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#define bcmp(b1,b2,n) memcmp((b1),(b2),(n))
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#define index strchr
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#endif
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#ifndef FALSE
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#define FALSE (0)
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#define TRUE (!FALSE)
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#endif /* no FALSE yet */
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/*
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Support for keeping track of the most recent label in each
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space.
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*/
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/*
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PA_PSEUDO_OP_MOVES_PC
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A predicate that returns true if the pseudo-operation or
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assembly directive results in a movement in the current
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location. All instructions cause movement in the current
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location.
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*/
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static const char *movers[] =
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{
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/* these entries from 'static pseudo_typeS potable[]' in pa-read.c */
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"ascii", "asciz",
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"byte",
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"comm",
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"data", "desc", "double",
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"fill", "float",
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"globl",
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"half",
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"int",
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"lcomm", "long", "lsym",
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"octa", "org",
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"quad",
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"short", "single",
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"text",
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"word",
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/* these entries from 'pseudo_typeS md_pseudo_table[]' in pa-aux.c */
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"block", "blockz",
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"code", "copyright",
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"equ",
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"origin",
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"reg", /* very similar to .equ */
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"string", "stringz",
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"version",
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NULL /* end sentinel */
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};
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int
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pa_pseudo_op_moves_pc (name)
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char *name;
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{
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int i = 0;
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while (movers[i])
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{
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if (strcmp (name, movers[i++]) == 0)
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return 1;
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}
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return 0;
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}
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/*
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Support for keeping track of the most recent label in each
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space.
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|
*/
|
|
|
|
/* XXX: NOTE: label_symbolS is defined in pa.h */
|
|
|
|
label_symbolS *label_symbols_rootP = NULL;
|
|
|
|
/*
|
|
PA_GET_LABEL
|
|
|
|
Returns a pointer to the label_symbolS for the current space.
|
|
*/
|
|
|
|
label_symbolS *
|
|
pa_get_label ()
|
|
{
|
|
label_symbolS *lssP;
|
|
space_dict_chainS *now_sdcP = pa_segment_to_space (now_seg);
|
|
|
|
for (lssP = label_symbols_rootP; lssP; lssP = lssP->lss_next)
|
|
{
|
|
if (now_sdcP == lssP->lss_space && lssP->lss_label)
|
|
return lssP;
|
|
}
|
|
|
|
return (label_symbolS *) NULL;
|
|
}
|
|
|
|
/*
|
|
PA_LABEL_IS_DEFINED
|
|
|
|
A predicate to determine whether a useable label is defined in
|
|
the current space.
|
|
*/
|
|
|
|
int
|
|
pa_label_is_defined ()
|
|
{
|
|
return (int) pa_get_label ();
|
|
}
|
|
|
|
/*
|
|
PA_DEFINE_LABEL
|
|
|
|
Defines a label for the current space. If one is already defined,
|
|
this function will replace it with the new label.
|
|
*/
|
|
|
|
void
|
|
pa_define_label (symbolP)
|
|
symbolS *symbolP;
|
|
{
|
|
label_symbolS *lssP = pa_get_label ();
|
|
space_dict_chainS *now_sdcP = pa_segment_to_space (now_seg);
|
|
|
|
if (lssP)
|
|
{
|
|
lssP->lss_label = symbolP;
|
|
}
|
|
else
|
|
{
|
|
lssP = (label_symbolS *) xmalloc (sizeof (label_symbolS));
|
|
lssP->lss_label = symbolP;
|
|
lssP->lss_space = now_sdcP;
|
|
lssP->lss_next = (label_symbolS *) NULL;
|
|
|
|
if (label_symbols_rootP)
|
|
{
|
|
lssP->lss_next = label_symbols_rootP;
|
|
}
|
|
label_symbols_rootP = lssP;
|
|
}
|
|
}
|
|
|
|
/*
|
|
PA_UNDEFINE_LABEL
|
|
|
|
Removes a label definition for the current space.
|
|
If there is no label_symbolS entry, then no action is taken.
|
|
*/
|
|
|
|
void
|
|
pa_undefine_label ()
|
|
{
|
|
label_symbolS *lssP;
|
|
label_symbolS *prevP = (label_symbolS *) NULL;
|
|
space_dict_chainS *now_sdcP = pa_segment_to_space (now_seg);
|
|
|
|
for (lssP = label_symbols_rootP; lssP; lssP = lssP->lss_next)
|
|
{
|
|
if (now_sdcP == lssP->lss_space && lssP->lss_label)
|
|
{
|
|
if (prevP)
|
|
prevP->lss_next = lssP->lss_next;
|
|
else
|
|
label_symbols_rootP = lssP->lss_next;
|
|
|
|
free (lssP);
|
|
break;
|
|
}
|
|
prevP = lssP;
|
|
}
|
|
}
|
|
|
|
/* end of label symbol support. */
|
|
|
|
|
|
/* An HPPA-specific version of fix_new. This is required because the HPPA */
|
|
/* code needs to keep track of some extra stuff. Each call to fix_new_hppa */
|
|
/* results in the creation of an instance of an hppa_fixS. An hppa_fixS */
|
|
/* stores the extra information along with a pointer to the original fixS. */
|
|
|
|
typedef struct hppa_fix_struct
|
|
{
|
|
fixS *fx_fixP;
|
|
int fx_r_field;
|
|
int fx_r_type;
|
|
int fx_r_format;
|
|
long fx_arg_reloc;
|
|
call_infoS *fx_call_infop;
|
|
char fx_unwind[8];
|
|
struct hppa_fix_struct *fx_next;
|
|
} hppa_fixS;
|
|
|
|
hppa_fixS *hppa_fix_root = NULL;
|
|
|
|
void
|
|
fix_new_hppa (frag, where, size, add_symbol, sub_symbol, offset, pcrel,
|
|
r_type, r_field, r_format, arg_reloc, unwind_desc)
|
|
fragS *frag; /* Which frag? */
|
|
int where; /* Where in that frag? */
|
|
short int size; /* 1, 2 or 4 usually. */
|
|
symbolS *add_symbol; /* X_add_symbol. */
|
|
symbolS *sub_symbol; /* X_subtract_symbol. */
|
|
long offset; /* X_add_number. */
|
|
int pcrel; /* TRUE if PC-relative relocation. */
|
|
#ifdef BFD_ASSEMBLER
|
|
bfd_reloc_code_real_type r_type; /* Relocation type */
|
|
#else
|
|
int r_type; /* Relocation type */
|
|
#endif
|
|
long r_field; /* F, R, L, etc */
|
|
int r_format; /* 11,12,14,17,21,32, etc */
|
|
long arg_reloc;
|
|
char *unwind_desc;
|
|
{
|
|
fixS *new_fix = fix_new (frag, where, size,
|
|
add_symbol, sub_symbol,
|
|
offset, pcrel, r_type);
|
|
|
|
hppa_fixS *hppa_fix = (hppa_fixS *) obstack_alloc (¬es, sizeof (hppa_fixS));
|
|
|
|
hppa_fix->fx_fixP = new_fix;
|
|
hppa_fix->fx_r_field = r_field;
|
|
hppa_fix->fx_r_format = r_format;
|
|
hppa_fix->fx_arg_reloc = arg_reloc;
|
|
hppa_fix->fx_next = (hppa_fixS *) 0;
|
|
hppa_fix->fx_call_infop = last_call_info;
|
|
if (unwind_desc)
|
|
bcopy (unwind_desc, hppa_fix->fx_unwind, 8);
|
|
|
|
if (hppa_fix_root)
|
|
hppa_fix->fx_next = hppa_fix_root;
|
|
|
|
hppa_fix_root = hppa_fix;
|
|
|
|
/* SKV 12/22/92. Added prev_insn, prev_fix, and initialized the_insn
|
|
so that we can recognize instruction sequences such as (ldil, ble)
|
|
and generate the appropriate fixups. */
|
|
|
|
#ifdef OBJ_ELF
|
|
|
|
curr_fix = new_fix;
|
|
|
|
#endif /* OBJ_ELF */
|
|
}
|
|
|
|
/* Parse a .byte, .word, .long expression for the HPPA. Called by
|
|
cons via the TC_PARSE_CONS_EXPRESSION macro. */
|
|
|
|
static int hppa_field_selector;
|
|
|
|
void
|
|
parse_cons_expression_hppa (exp)
|
|
expressionS *exp;
|
|
{
|
|
hppa_field_selector = pa_chk_field_selector (&input_line_pointer);
|
|
expression (&exp);
|
|
}
|
|
|
|
/* This fix_new is called by cons via TC_CONS_FIX_NEW.
|
|
hppa_field_selector is set by the parse_cons_expression_hppa. */
|
|
|
|
void
|
|
cons_fix_new_hppa (frag, where, size, exp)
|
|
fragS *frag; /* Which frag? */
|
|
int where; /* Where in that frag? */
|
|
int size; /* 1, 2 or 4 usually. */
|
|
expressionS *exp; /* Expression. */
|
|
{
|
|
unsigned int reloc_type;
|
|
|
|
if (is_DP_relative (*exp))
|
|
reloc_type = R_HPPA_GOTOFF;
|
|
else if (is_complex (*exp))
|
|
reloc_type = R_HPPA_COMPLEX;
|
|
else
|
|
reloc_type = R_HPPA;
|
|
|
|
if (hppa_field_selector != e_psel && hppa_field_selector != e_fsel)
|
|
as_warn("Invalid field selector. Assuming F%%.");
|
|
|
|
fix_new_hppa (frag, where, size
|
|
exp->X_add_symbol,
|
|
exp->X_subtract_symbol,
|
|
exp->X_add_number, 0, reloc_type,
|
|
hppa_field_selector, 32, 0, (char *) 0);
|
|
}
|
|
|
|
/* Given a FixS, find the hppa_fixS associated with it. */
|
|
hppa_fixS *
|
|
hppa_find_hppa_fix (fix)
|
|
fixS *fix;
|
|
{
|
|
hppa_fixS *hfP;
|
|
|
|
for (hfP = hppa_fix_root; hfP; hfP = hfP->fx_next)
|
|
{
|
|
if (hfP->fx_fixP == fix)
|
|
return hfP;
|
|
}
|
|
|
|
return (hppa_fixS *) 0;
|
|
}
|
|
|
|
/* This function is called once, at assembler startup time. It should
|
|
set up all the tables, etc. that the MD part of the assembler will need. */
|
|
void
|
|
md_begin ()
|
|
{
|
|
register char *retval = NULL;
|
|
int lose = 0;
|
|
register unsigned int i = 0;
|
|
void pa_spaces_begin (); /* forward declaration */
|
|
|
|
last_call_info = NULL;
|
|
call_info_root = NULL;
|
|
|
|
pa_spaces_begin ();
|
|
|
|
op_hash = hash_new ();
|
|
if (op_hash == NULL)
|
|
as_fatal ("Virtual memory exhausted");
|
|
|
|
while (i < NUMOPCODES)
|
|
{
|
|
const char *name = pa_opcodes[i].name;
|
|
retval = hash_insert (op_hash, name, &pa_opcodes[i]);
|
|
if (retval != NULL && *retval != '\0')
|
|
{
|
|
as_fatal ("Internal error: can't hash `%s': %s\n",
|
|
pa_opcodes[i].name, retval);
|
|
lose = 1;
|
|
}
|
|
do
|
|
{
|
|
if ((pa_opcodes[i].match & pa_opcodes[i].mask) != pa_opcodes[i].match)
|
|
{
|
|
fprintf (stderr, "internal error: losing opcode: `%s' \"%s\"\n",
|
|
pa_opcodes[i].name, pa_opcodes[i].args);
|
|
lose = 1;
|
|
}
|
|
++i;
|
|
}
|
|
while (i < NUMOPCODES
|
|
&& !strcmp (pa_opcodes[i].name, name));
|
|
}
|
|
|
|
if (lose)
|
|
as_fatal ("Broken assembler. No assembly attempted.");
|
|
|
|
for (i = '0'; i < '8'; ++i)
|
|
octal[i] = 1;
|
|
for (i = '0'; i <= '9'; ++i)
|
|
toHex[i] = i - '0';
|
|
for (i = 'a'; i <= 'f'; ++i)
|
|
toHex[i] = i + 10 - 'a';
|
|
for (i = 'A'; i <= 'F'; ++i)
|
|
toHex[i] = i + 10 - 'A';
|
|
|
|
}
|
|
|
|
void
|
|
md_end ()
|
|
{
|
|
return;
|
|
}
|
|
|
|
void
|
|
md_assemble (str)
|
|
char *str;
|
|
{
|
|
char *toP;
|
|
|
|
assert (str);
|
|
pa_ip (str);
|
|
toP = frag_more (4);
|
|
/* put out the opcode */
|
|
md_number_to_chars (toP, the_insn.opcode, 4);
|
|
|
|
/* put out the symbol-dependent stuff */
|
|
#if defined ( OBJ_SOM )
|
|
if (the_insn.reloc != R_NO_RELOCATION)
|
|
{
|
|
#else
|
|
#if defined ( OBJ_ELF )
|
|
if (the_insn.reloc != R_HPPA_NONE)
|
|
{
|
|
#endif
|
|
#endif
|
|
|
|
#if defined(OBJ_ELF)
|
|
fix_new_hppa (frag_now, /* which frag */
|
|
(toP - frag_now->fr_literal), /* where */
|
|
4, /* size */
|
|
the_insn.exp.X_add_symbol,
|
|
the_insn.exp.X_subtract_symbol,
|
|
the_insn.exp.X_add_number,
|
|
the_insn.pcrel,
|
|
the_insn.reloc,
|
|
the_insn.field_selector,
|
|
the_insn.format,
|
|
the_insn.arg_reloc,
|
|
(char *) 0);
|
|
#endif
|
|
#ifdef OBJ_SOM
|
|
fix_new (frag_now, /* which frag */
|
|
(toP - frag_now->fr_literal), /* where */
|
|
4, /* size */
|
|
the_insn.exp.X_add_symbol,
|
|
the_insn.exp.X_subtract_symbol,
|
|
the_insn.exp.X_add_number,
|
|
the_insn.pcrel,
|
|
the_insn.reloc,
|
|
the_insn.field_selector,
|
|
the_insn.code,
|
|
the_insn.arg_reloc,
|
|
(char *) 0);
|
|
#endif
|
|
}
|
|
|
|
/* SKV 12/22/92. Added prev_insn, prev_fix, and initialized the_insn
|
|
so that we can recognize instruction sequences such as (ldil, ble)
|
|
and generate the appropriate fixups. */
|
|
|
|
#ifdef OBJ_ELF
|
|
|
|
prev_insn = the_insn;
|
|
strncpy (prev_str, str, 10);
|
|
if (prev_insn.reloc = R_HPPA_NONE)
|
|
{
|
|
prev_fix = NULL;
|
|
}
|
|
else
|
|
{
|
|
prev_fix = curr_fix;
|
|
}
|
|
|
|
#endif /* OBJ_ELF */
|
|
}
|
|
|
|
static void
|
|
pa_ip (str)
|
|
char *str;
|
|
{
|
|
char *error_message = "";
|
|
char *s;
|
|
const char *args;
|
|
char c;
|
|
unsigned long i;
|
|
struct pa_opcode *insn;
|
|
char *argsStart;
|
|
unsigned long opcode;
|
|
unsigned int mask;
|
|
int match = FALSE;
|
|
int comma = 0;
|
|
|
|
int reg, reg1, reg2, s2, s3;
|
|
unsigned int im21, im14, im11, im5;
|
|
int m, a, uu, f;
|
|
int cmpltr, nullif, flag;
|
|
int sfu, cond;
|
|
char *name;
|
|
char *p, *save_s;
|
|
|
|
#ifdef PA_DEBUG
|
|
fprintf (stderr, "STATEMENT: \"%s\"\n", str);
|
|
#endif
|
|
for (s = str; isupper (*s) || islower (*s) || (*s >= '0' && *s <= '3'); ++s)
|
|
;
|
|
switch (*s)
|
|
{
|
|
|
|
case '\0':
|
|
break;
|
|
|
|
case ',':
|
|
comma = 1;
|
|
|
|
/*FALLTHROUGH*/
|
|
|
|
case ' ':
|
|
*s++ = '\0';
|
|
break;
|
|
|
|
default:
|
|
as_bad ("Unknown opcode: `%s'", str);
|
|
exit (1);
|
|
}
|
|
|
|
save_s = str;
|
|
|
|
while (*save_s)
|
|
{
|
|
if (isupper (*save_s))
|
|
*save_s = tolower (*save_s);
|
|
save_s++;
|
|
}
|
|
|
|
if ((insn = (struct pa_opcode *) hash_find (op_hash, str)) == NULL)
|
|
{
|
|
as_bad ("Unknown opcode: `%s'", str);
|
|
return;
|
|
}
|
|
if (comma)
|
|
{
|
|
*--s = ',';
|
|
}
|
|
argsStart = s;
|
|
for (;;)
|
|
{
|
|
opcode = insn->match;
|
|
bzero (&the_insn, sizeof (the_insn));
|
|
#if defined( OBJ_SOM )
|
|
the_insn.reloc = R_NO_RELOCATION;
|
|
#else
|
|
#if defined ( OBJ_ELF )
|
|
the_insn.reloc = R_HPPA_NONE;
|
|
#endif
|
|
#endif
|
|
/*
|
|
* Build the opcode, checking as we go to make
|
|
* sure that the operands match
|
|
*/
|
|
for (args = insn->args;; ++args)
|
|
{
|
|
|
|
switch (*args)
|
|
{
|
|
|
|
case '\0': /* end of args */
|
|
if (*s == '\0')
|
|
{
|
|
match = TRUE;
|
|
}
|
|
break;
|
|
|
|
case '+':
|
|
if (*s == '+')
|
|
{
|
|
++s;
|
|
continue;
|
|
}
|
|
if (*s == '-')
|
|
{
|
|
continue;
|
|
}
|
|
break;
|
|
|
|
case '(': /* these must match exactly */
|
|
case ')':
|
|
case ',':
|
|
case ' ':
|
|
if (*s++ == *args)
|
|
continue;
|
|
break;
|
|
|
|
case 'b': /* 5 bit register field at 10 */
|
|
case '^': /* 5 bit control register field at 10 */
|
|
reg = pa_parse_number (&s);
|
|
if (reg < 32 && reg >= 0)
|
|
{
|
|
opcode |= reg << 21;
|
|
continue;
|
|
}
|
|
break;
|
|
case 'x': /* 5 bit register field at 15 */
|
|
reg = pa_parse_number (&s);
|
|
if (reg < 32 && reg >= 0)
|
|
{
|
|
opcode |= reg << 16;
|
|
continue;
|
|
}
|
|
break;
|
|
case 't': /* 5 bit register field at 31 */
|
|
reg = pa_parse_number (&s);
|
|
if (reg < 32 && reg >= 0)
|
|
{
|
|
opcode |= reg;
|
|
continue;
|
|
}
|
|
break;
|
|
case 'T': /* 5 bit field length at 31 (encoded as 32-T) */
|
|
/*
|
|
reg = pa_parse_number(&s);
|
|
*/
|
|
getAbsoluteExpression (s);
|
|
if (the_insn.exp.X_seg == &bfd_abs_section)
|
|
{
|
|
reg = the_insn.exp.X_add_number;
|
|
if (reg <= 32 && reg > 0)
|
|
{
|
|
opcode |= 32 - reg;
|
|
s = expr_end;
|
|
continue;
|
|
}
|
|
}
|
|
break;
|
|
case '5': /* 5 bit immediate at 15 */
|
|
getAbsoluteExpression (s);
|
|
/** PJH: The following 2 calls to as_bad() might eventually **/
|
|
/** want to end up as as_warn(). **/
|
|
if (the_insn.exp.X_add_number > 15)
|
|
{
|
|
as_bad ("5 bit immediate > 15. Set to 15",
|
|
the_insn.exp.X_add_number);
|
|
the_insn.exp.X_add_number = 15;
|
|
}
|
|
else if (the_insn.exp.X_add_number < -16)
|
|
{
|
|
as_bad ("5 bit immediate < -16. Set to -16",
|
|
the_insn.exp.X_add_number);
|
|
the_insn.exp.X_add_number = -16;
|
|
}
|
|
|
|
low_sign_unext (evaluateAbsolute (the_insn.exp, the_insn.field_selector),
|
|
5, &im5);
|
|
opcode |= (im5 << 16);
|
|
s = expr_end;
|
|
continue;
|
|
|
|
case 's': /* 2 bit space identifier at 17 */
|
|
s2 = pa_parse_number (&s);
|
|
if (s2 < 4 && s2 >= 0)
|
|
{
|
|
opcode |= s2 << 14;
|
|
continue;
|
|
}
|
|
break;
|
|
case 'S': /* 3 bit space identifier at 18 */
|
|
s3 = pa_parse_number (&s);
|
|
if (s3 < 8 && s3 >= 0)
|
|
{
|
|
dis_assemble_3 (s3, &s3);
|
|
opcode |= s3 << 13;
|
|
continue;
|
|
}
|
|
break;
|
|
case 'c': /* indexed load completer. */
|
|
uu = 0;
|
|
m = 0;
|
|
i = 0;
|
|
while (*s == ',' && i < 2)
|
|
{
|
|
s++;
|
|
if (strncasecmp (s, "sm", 2) == 0)
|
|
{
|
|
uu = 1;
|
|
m = 1;
|
|
s++;
|
|
i++;
|
|
}
|
|
else if (strncasecmp (s, "m", 1) == 0)
|
|
m = 1;
|
|
else if (strncasecmp (s, "s", 1) == 0)
|
|
uu = 1;
|
|
else
|
|
as_bad ("Unrecognized Indexed Load Completer...assuming 0");
|
|
s++;
|
|
i++;
|
|
}
|
|
if (i > 2)
|
|
as_bad ("Illegal Indexed Load Completer Syntax...extras ignored");
|
|
/* pa_skip(&s); */
|
|
while (*s == ' ' || *s == '\t')
|
|
s++;
|
|
|
|
opcode |= m << 5;
|
|
opcode |= uu << 13;
|
|
continue;
|
|
case 'C': /* short load and store completer */
|
|
a = 0;
|
|
m = 0;
|
|
if (*s == ',')
|
|
{
|
|
s++;
|
|
if (strncasecmp (s, "ma", 2) == 0)
|
|
{
|
|
a = 0;
|
|
m = 1;
|
|
}
|
|
else if (strncasecmp (s, "mb", 2) == 0)
|
|
{
|
|
a = 1;
|
|
m = 1;
|
|
}
|
|
else
|
|
as_bad ("Unrecognized Indexed Load Completer...assuming 0");
|
|
s += 2;
|
|
}
|
|
/* pa_skip(&s); */
|
|
while (*s == ' ' || *s == '\t')
|
|
s++;
|
|
opcode |= m << 5;
|
|
opcode |= a << 13;
|
|
continue;
|
|
case 'Y': /* Store Bytes Short completer */
|
|
a = 0;
|
|
m = 0;
|
|
i = 0;
|
|
while (*s == ',' && i < 2)
|
|
{
|
|
s++;
|
|
if (strncasecmp (s, "m", 1) == 0)
|
|
m = 1;
|
|
else if (strncasecmp (s, "b", 1) == 0)
|
|
a = 0;
|
|
else if (strncasecmp (s, "e", 1) == 0)
|
|
a = 1;
|
|
else
|
|
as_bad ("Unrecognized Store Bytes Short Completer...assuming 0");
|
|
s++;
|
|
i++;
|
|
}
|
|
/** if ( i >= 2 ) **/
|
|
if (i > 2)
|
|
as_bad ("Illegal Store Bytes Short Completer...extras ignored");
|
|
while (*s == ' ' || *s == '\t') /* skip to next operand */
|
|
s++;
|
|
opcode |= m << 5;
|
|
opcode |= a << 13;
|
|
continue;
|
|
case '<': /* non-negated compare/subtract conditions. */
|
|
cmpltr = pa_parse_nonneg_cmpsub_cmpltr (&s);
|
|
if (cmpltr < 0)
|
|
{
|
|
as_bad ("Unrecognized Compare/Subtract Condition: %c", *s);
|
|
cmpltr = 0;
|
|
}
|
|
opcode |= cmpltr << 13;
|
|
continue;
|
|
case '?': /* negated or non-negated cmp/sub conditions. */
|
|
/* used only by ``comb'' and ``comib'' pseudo-ops */
|
|
save_s = s;
|
|
cmpltr = pa_parse_nonneg_cmpsub_cmpltr (&s);
|
|
if (cmpltr < 0)
|
|
{
|
|
s = save_s;
|
|
cmpltr = pa_parse_neg_cmpsub_cmpltr (&s);
|
|
if (cmpltr < 0)
|
|
{
|
|
as_bad ("Unrecognized Compare/Subtract Condition: %c", *s);
|
|
cmpltr = 0;
|
|
}
|
|
else
|
|
{
|
|
opcode |= 1 << 27; /* required opcode change to make
|
|
COMIBT into a COMIBF or a
|
|
COMBT into a COMBF or a
|
|
ADDBT into a ADDBF or a
|
|
ADDIBT into a ADDIBF */
|
|
}
|
|
}
|
|
opcode |= cmpltr << 13;
|
|
continue;
|
|
case '!': /* negated or non-negated add conditions. */
|
|
/* used only by ``addb'' and ``addib'' pseudo-ops */
|
|
save_s = s;
|
|
cmpltr = pa_parse_nonneg_add_cmpltr (&s);
|
|
if (cmpltr < 0)
|
|
{
|
|
s = save_s;
|
|
cmpltr = pa_parse_neg_add_cmpltr (&s);
|
|
if (cmpltr < 0)
|
|
{
|
|
as_bad ("Unrecognized Compare/Subtract Condition: %c", *s);
|
|
cmpltr = 0;
|
|
}
|
|
else
|
|
{
|
|
opcode |= 1 << 27; /* required opcode change to make
|
|
COMIBT into a COMIBF or a
|
|
COMBT into a COMBF or a
|
|
ADDBT into a ADDBF or a
|
|
ADDIBT into a ADDIBF */
|
|
}
|
|
}
|
|
opcode |= cmpltr << 13;
|
|
continue;
|
|
case 'a': /* compare/subtract conditions */
|
|
cmpltr = 0;
|
|
f = 0;
|
|
save_s = s;
|
|
if (*s == ',')
|
|
{
|
|
cmpltr = pa_parse_nonneg_cmpsub_cmpltr (&s);
|
|
if (cmpltr < 0)
|
|
{
|
|
f = 1;
|
|
s = save_s;
|
|
cmpltr = pa_parse_neg_cmpsub_cmpltr (&s);
|
|
if (cmpltr < 0)
|
|
{
|
|
as_bad ("Unrecognized Compare/Subtract Condition");
|
|
}
|
|
}
|
|
}
|
|
opcode |= cmpltr << 13;
|
|
opcode |= f << 12;
|
|
continue;
|
|
case 'd': /* non-negated add conditions */
|
|
cmpltr = 0;
|
|
nullif = 0;
|
|
flag = 0;
|
|
if (*s == ',')
|
|
{
|
|
s++;
|
|
name = s;
|
|
while (*s != ',' && *s != ' ' && *s != '\t')
|
|
s += 1;
|
|
c = *s;
|
|
*s = 0x00;
|
|
if (strcmp (name, "=") == 0)
|
|
{
|
|
cmpltr = 1;
|
|
}
|
|
else if (strcmp (name, "<") == 0)
|
|
{
|
|
cmpltr = 2;
|
|
}
|
|
else if (strcmp (name, "<=") == 0)
|
|
{
|
|
cmpltr = 3;
|
|
}
|
|
else if (strcasecmp (name, "nuv") == 0)
|
|
{
|
|
cmpltr = 4;
|
|
}
|
|
else if (strcasecmp (name, "znv") == 0)
|
|
{
|
|
cmpltr = 5;
|
|
}
|
|
else if (strcasecmp (name, "sv") == 0)
|
|
{
|
|
cmpltr = 6;
|
|
}
|
|
else if (strcasecmp (name, "od") == 0)
|
|
{
|
|
cmpltr = 7;
|
|
}
|
|
else if (strcasecmp (name, "n") == 0)
|
|
{
|
|
nullif = 1;
|
|
}
|
|
else if (strcasecmp (name, "tr") == 0)
|
|
{
|
|
cmpltr = 0;
|
|
flag = 1;
|
|
}
|
|
else if (strcasecmp (name, "<>") == 0)
|
|
{
|
|
cmpltr = 1;
|
|
flag = 1;
|
|
}
|
|
else if (strcasecmp (name, ">=") == 0)
|
|
{
|
|
cmpltr = 2;
|
|
flag = 1;
|
|
}
|
|
else if (strcasecmp (name, ">") == 0)
|
|
{
|
|
cmpltr = 3;
|
|
flag = 1;
|
|
}
|
|
else if (strcasecmp (name, "uv") == 0)
|
|
{
|
|
cmpltr = 4;
|
|
flag = 1;
|
|
}
|
|
else if (strcasecmp (name, "vnz") == 0)
|
|
{
|
|
cmpltr = 5;
|
|
flag = 1;
|
|
}
|
|
else if (strcasecmp (name, "nsv") == 0)
|
|
{
|
|
cmpltr = 6;
|
|
flag = 1;
|
|
}
|
|
else if (strcasecmp (name, "ev") == 0)
|
|
{
|
|
cmpltr = 7;
|
|
flag = 1;
|
|
}
|
|
else
|
|
as_bad ("Unrecognized Add Condition: %s", name);
|
|
*s = c;
|
|
}
|
|
nullif = pa_parse_nullif (&s);
|
|
opcode |= nullif << 1;
|
|
opcode |= cmpltr << 13;
|
|
opcode |= flag << 12;
|
|
continue;
|
|
case '&': /* logical instruction conditions */
|
|
cmpltr = 0;
|
|
f = 0;
|
|
if (*s == ',')
|
|
{
|
|
s++;
|
|
name = s;
|
|
while (*s != ',' && *s != ' ' && *s != '\t')
|
|
s += 1;
|
|
c = *s;
|
|
*s = 0x00;
|
|
if (strcmp (name, "=") == 0)
|
|
{
|
|
cmpltr = 1;
|
|
}
|
|
else if (strcmp (name, "<") == 0)
|
|
{
|
|
cmpltr = 2;
|
|
}
|
|
else if (strcmp (name, "<=") == 0)
|
|
{
|
|
cmpltr = 3;
|
|
}
|
|
else if (strcasecmp (name, "od") == 0)
|
|
{
|
|
cmpltr = 7;
|
|
}
|
|
else if (strcasecmp (name, "tr") == 0)
|
|
{
|
|
cmpltr = 0;
|
|
f = 1;
|
|
}
|
|
else if (strcmp (name, "<>") == 0)
|
|
{
|
|
cmpltr = 1;
|
|
f = 1;
|
|
}
|
|
else if (strcmp (name, ">=") == 0)
|
|
{
|
|
cmpltr = 2;
|
|
f = 1;
|
|
}
|
|
else if (strcmp (name, ">") == 0)
|
|
{
|
|
cmpltr = 3;
|
|
f = 1;
|
|
}
|
|
else if (strcasecmp (name, "ev") == 0)
|
|
{
|
|
cmpltr = 7;
|
|
f = 1;
|
|
}
|
|
else
|
|
as_bad ("Unrecognized Logical Instruction Condition: %s", name);
|
|
*s = c;
|
|
}
|
|
opcode |= cmpltr << 13;
|
|
opcode |= f << 12;
|
|
continue;
|
|
case 'U': /* unit instruction conditions */
|
|
cmpltr = 0;
|
|
f = 0;
|
|
if (*s == ',')
|
|
{
|
|
s++;
|
|
if (strncasecmp (s, "sbz", 3) == 0)
|
|
{
|
|
cmpltr = 2;
|
|
s += 3;
|
|
}
|
|
else if (strncasecmp (s, "shz", 3) == 0)
|
|
{
|
|
cmpltr = 3;
|
|
s += 3;
|
|
}
|
|
else if (strncasecmp (s, "sdc", 3) == 0)
|
|
{
|
|
cmpltr = 4;
|
|
s += 3;
|
|
}
|
|
else if (strncasecmp (s, "sbc", 3) == 0)
|
|
{
|
|
cmpltr = 6;
|
|
s += 3;
|
|
}
|
|
else if (strncasecmp (s, "shc", 3) == 0)
|
|
{
|
|
cmpltr = 7;
|
|
s += 3;
|
|
}
|
|
else if (strncasecmp (s, "tr", 2) == 0)
|
|
{
|
|
cmpltr = 0;
|
|
f = 1;
|
|
s += 2;
|
|
}
|
|
else if (strncasecmp (s, "nbz", 3) == 0)
|
|
{
|
|
cmpltr = 2;
|
|
f = 1;
|
|
s += 3;
|
|
}
|
|
else if (strncasecmp (s, "nhz", 3) == 0)
|
|
{
|
|
cmpltr = 3;
|
|
f = 1;
|
|
s += 3;
|
|
}
|
|
else if (strncasecmp (s, "ndc", 3) == 0)
|
|
{
|
|
cmpltr = 4;
|
|
f = 1;
|
|
s += 3;
|
|
}
|
|
else if (strncasecmp (s, "nbc", 3) == 0)
|
|
{
|
|
cmpltr = 6;
|
|
f = 1;
|
|
s += 3;
|
|
}
|
|
else if (strncasecmp (s, "nhc", 3) == 0)
|
|
{
|
|
cmpltr = 7;
|
|
f = 1;
|
|
s += 3;
|
|
}
|
|
else
|
|
as_bad ("Unrecognized Logical Instruction Condition: %c", *s);
|
|
}
|
|
opcode |= cmpltr << 13;
|
|
opcode |= f << 12;
|
|
continue;
|
|
case '>': /* shift/extract/deposit conditions. */
|
|
cmpltr = 0;
|
|
if (*s == ',')
|
|
{
|
|
s++;
|
|
name = s;
|
|
while (*s != ',' && *s != ' ' && *s != '\t')
|
|
s += 1;
|
|
c = *s;
|
|
*s = 0x00;
|
|
if (strcmp (name, "=") == 0)
|
|
{
|
|
cmpltr = 1;
|
|
}
|
|
else if (strcmp (name, "<") == 0)
|
|
{
|
|
cmpltr = 2;
|
|
}
|
|
else if (strcasecmp (name, "od") == 0)
|
|
{
|
|
cmpltr = 3;
|
|
}
|
|
else if (strcasecmp (name, "tr") == 0)
|
|
{
|
|
cmpltr = 4;
|
|
}
|
|
else if (strcmp (name, "<>") == 0)
|
|
{
|
|
cmpltr = 5;
|
|
}
|
|
else if (strcmp (name, ">=") == 0)
|
|
{
|
|
cmpltr = 6;
|
|
}
|
|
else if (strcasecmp (name, "ev") == 0)
|
|
{
|
|
cmpltr = 7;
|
|
}
|
|
else
|
|
as_bad ("Unrecognized Shift/Extract/Deposit Condition: %s", name);
|
|
*s = c;
|
|
}
|
|
opcode |= cmpltr << 13;
|
|
continue;
|
|
case '~': /* bvb,bb conditions */
|
|
cmpltr = 0;
|
|
if (*s == ',')
|
|
{
|
|
s++;
|
|
if (strncmp (s, "<", 1) == 0)
|
|
{
|
|
cmpltr = 2;
|
|
s++;
|
|
}
|
|
else if (strncmp (s, ">=", 2) == 0)
|
|
{
|
|
cmpltr = 6;
|
|
s += 2;
|
|
}
|
|
else
|
|
as_bad ("Unrecognized Bit Branch Condition: %c", *s);
|
|
}
|
|
opcode |= cmpltr << 13;
|
|
continue;
|
|
case 'V': /* 5 bit immediate at 31 */
|
|
getExpression (s);
|
|
low_sign_unext (evaluateAbsolute (the_insn.exp, the_insn.field_selector),
|
|
5, &im5);
|
|
opcode |= im5;
|
|
s = expr_end;
|
|
continue;
|
|
case 'r': /* 5 bit immediate at 31 */
|
|
/* (unsigned value for the break instruction) */
|
|
getExpression (s);
|
|
im5 = evaluateAbsolute (the_insn.exp, the_insn.field_selector);
|
|
if (im5 > 31 || im5 < 0)
|
|
{
|
|
as_bad ("Operand out of range. Was: %d. Should be [0..31]. Assuming %d.\n", im5, im5 & 0x1f);
|
|
im5 = im5 & 0x1f;
|
|
}
|
|
opcode |= im5;
|
|
s = expr_end;
|
|
continue;
|
|
case 'R': /* 5 bit immediate at 15 */
|
|
/* (unsigned value for the ssm and rsm instruction) */
|
|
getExpression (s);
|
|
im5 = evaluateAbsolute (the_insn.exp, the_insn.field_selector);
|
|
if (im5 > 31 || im5 < 0)
|
|
{
|
|
as_bad ("Operand out of range. Was: %d. Should be [0..31]. Assuming %d.\n", im5, im5 & 0x1f);
|
|
im5 = im5 & 0x1f;
|
|
}
|
|
opcode |= im5 << 16;
|
|
s = expr_end;
|
|
continue;
|
|
case 'i': /* 11 bit immediate at 31 */
|
|
#ifdef OBJ_SOM
|
|
getExpression (s);
|
|
if (the_insn.exp.X_seg == &bfd_abs_section)
|
|
{
|
|
low_sign_unext (evaluateAbsolute (the_insn.exp, the_insn.field_selector),
|
|
11, &im11);
|
|
opcode |= im11;
|
|
}
|
|
else
|
|
{
|
|
the_insn.reloc = R_CODE_ONE_SYMBOL;
|
|
the_insn.code = 'i';
|
|
the_insn.field_selector = the_insn.exp.field_selector;
|
|
}
|
|
s = expr_end;
|
|
continue;
|
|
#else
|
|
the_insn.field_selector = pa_chk_field_selector (&s);
|
|
getExpression (s);
|
|
if (the_insn.exp.X_seg == &bfd_abs_section)
|
|
{
|
|
low_sign_unext (evaluateAbsolute (the_insn.exp, the_insn.field_selector),
|
|
11, &im11);
|
|
opcode |= im11;
|
|
}
|
|
else
|
|
{
|
|
if (is_DP_relative (the_insn.exp))
|
|
the_insn.reloc = R_HPPA_GOTOFF;
|
|
else if (is_PC_relative (the_insn.exp))
|
|
the_insn.reloc = R_HPPA_PCREL_CALL;
|
|
else if (is_complex (the_insn.exp))
|
|
the_insn.reloc = R_HPPA_COMPLEX;
|
|
else
|
|
the_insn.reloc = R_HPPA;
|
|
the_insn.format = 11;
|
|
}
|
|
s = expr_end;
|
|
continue;
|
|
#endif
|
|
case 'j': /* 14 bit immediate at 31 */
|
|
#ifdef OBJ_SOM
|
|
getExpression (s);
|
|
if (the_insn.exp.X_seg == &bfd_abs_section)
|
|
{
|
|
low_sign_unext (evaluateAbsolute (the_insn.exp, field_selector),
|
|
14, &im14);
|
|
if (the_insn.exp.field_selector == e_rsel)
|
|
opcode |= (im14 & 0xfff);
|
|
else
|
|
opcode |= im14;
|
|
}
|
|
else
|
|
{
|
|
the_insn.reloc = R_CODE_ONE_SYMBOL;
|
|
the_insn.code = 'j';
|
|
the_insn.field_selector = the_insn.exp.field_selector;
|
|
}
|
|
s = expr_end;
|
|
continue;
|
|
#else
|
|
the_insn.field_selector = pa_chk_field_selector (&s);
|
|
getExpression (s);
|
|
if (the_insn.exp.X_seg == &bfd_abs_section)
|
|
{
|
|
low_sign_unext (evaluateAbsolute (the_insn.exp, the_insn.field_selector),
|
|
14, &im14);
|
|
if (the_insn.field_selector == e_rsel)
|
|
opcode |= (im14 & 0xfff);
|
|
else
|
|
opcode |= im14;
|
|
}
|
|
else
|
|
{
|
|
if (is_DP_relative (the_insn.exp))
|
|
the_insn.reloc = R_HPPA_GOTOFF;
|
|
else if (is_PC_relative (the_insn.exp))
|
|
the_insn.reloc = R_HPPA_PCREL_CALL;
|
|
else if (is_complex (the_insn.exp))
|
|
the_insn.reloc = R_HPPA_COMPLEX;
|
|
else
|
|
the_insn.reloc = R_HPPA;
|
|
the_insn.format = 14;
|
|
}
|
|
s = expr_end;
|
|
continue;
|
|
#endif
|
|
|
|
case 'k': /* 21 bit immediate at 31 */
|
|
#ifdef OBJ_SOM
|
|
getExpression (s);
|
|
if (the_insn.exp.X_seg == &bfd_abs_section)
|
|
{
|
|
dis_assemble_21 (evaluateAbsolute (the_insn.exp, the_insn.field_selector),
|
|
&im21);
|
|
opcode |= im21;
|
|
}
|
|
else
|
|
{
|
|
the_insn.reloc = R_CODE_ONE_SYMBOL;
|
|
the_insn.code = 'k';
|
|
the_insn.field_selector = the_insn.exp.field_selector;
|
|
}
|
|
s = expr_end;
|
|
continue;
|
|
#else
|
|
the_insn.field_selector = pa_chk_field_selector (&s);
|
|
getExpression (s);
|
|
if (the_insn.exp.X_seg == &bfd_abs_section)
|
|
{
|
|
dis_assemble_21 (evaluateAbsolute (the_insn.exp, the_insn.field_selector),
|
|
&im21);
|
|
opcode |= im21;
|
|
}
|
|
else
|
|
{
|
|
if (is_DP_relative (the_insn.exp))
|
|
the_insn.reloc = R_HPPA_GOTOFF;
|
|
else if (is_PC_relative (the_insn.exp))
|
|
the_insn.reloc = R_HPPA_PCREL_CALL;
|
|
else if (is_complex (the_insn.exp))
|
|
the_insn.reloc = R_HPPA_COMPLEX;
|
|
else
|
|
the_insn.reloc = R_HPPA;
|
|
the_insn.format = 21;
|
|
}
|
|
s = expr_end;
|
|
continue;
|
|
#endif
|
|
|
|
case 'n': /* nullification for branch instructions */
|
|
nullif = pa_parse_nullif (&s);
|
|
opcode |= nullif << 1;
|
|
continue;
|
|
case 'w': /* 12 bit branch displacement */
|
|
#ifdef OBJ_SOM
|
|
getExpression (s);
|
|
the_insn.pcrel = 1;
|
|
if (strcmp (the_insn.exp.X_add_symbol->sy_nlist.n_un.n_name, "L0\001") == 0)
|
|
{
|
|
unsigned int w1, w, result;
|
|
|
|
sign_unext ((the_insn.exp.X_add_number - 8) >> 2, 12, &result);
|
|
dis_assemble_12 (result, &w1, &w);
|
|
opcode |= ((w1 << 2) | w);
|
|
the_insn.exp.X_add_symbol->sy_ref = FALSE;
|
|
}
|
|
else
|
|
{
|
|
/* this has to be wrong -- dont know what is right! */
|
|
the_insn.reloc = R_PCREL_CALL;
|
|
the_insn.code = 'w';
|
|
the_insn.field_selector = the_insn.exp.field_selector;
|
|
the_insn.arg_reloc = last_call_desc.arg_reloc;
|
|
bzero (&last_call_desc, sizeof (call_descS));
|
|
}
|
|
s = expr_end;
|
|
continue;
|
|
#else
|
|
the_insn.field_selector = pa_chk_field_selector (&s);
|
|
getExpression (s);
|
|
the_insn.pcrel = 1;
|
|
if (strcmp (S_GET_NAME (the_insn.exp.X_add_symbol), "L0\001") == 0)
|
|
{
|
|
unsigned int w1, w, result;
|
|
|
|
sign_unext ((the_insn.exp.X_add_number - 8) >> 2, 12, &result);
|
|
dis_assemble_12 (result, &w1, &w);
|
|
opcode |= ((w1 << 2) | w);
|
|
/* the_insn.exp.X_add_symbol->sy_ref = FALSE; *//* XXX: not sure how to do this in BFD */
|
|
}
|
|
else
|
|
{
|
|
if (is_complex (the_insn.exp))
|
|
the_insn.reloc = R_HPPA_COMPLEX_PCREL_CALL;
|
|
else
|
|
the_insn.reloc = R_HPPA_PCREL_CALL;
|
|
the_insn.format = 12;
|
|
the_insn.arg_reloc = last_call_desc.arg_reloc;
|
|
bzero (&last_call_desc, sizeof (call_descS));
|
|
}
|
|
s = expr_end;
|
|
continue;
|
|
#endif
|
|
case 'W': /* 17 bit branch displacement */
|
|
#if defined(OBJ_ELF)
|
|
the_insn.field_selector = pa_chk_field_selector (&s);
|
|
#endif
|
|
getExpression (s);
|
|
the_insn.pcrel = 1;
|
|
#ifdef OBJ_SOM
|
|
if (strcmp (the_insn.exp.X_add_symbol->sy_nlist.n_un.n_name, "L0\001") == 0)
|
|
{
|
|
unsigned int w2, w1, w, result;
|
|
|
|
sign_unext ((the_insn.exp.X_add_number - 8) >> 2, 17, &result);
|
|
dis_assemble_17 (result, &w1, &w2, &w);
|
|
opcode |= ((w2 << 2) | (w1 << 16) | w);
|
|
the_insn.exp.X_add_symbol->sy_ref = FALSE;
|
|
}
|
|
else
|
|
{
|
|
/* this has to be wrong -- dont know what is right! */
|
|
the_insn.reloc = R_PCREL_CALL;
|
|
the_insn.code = 'W';
|
|
the_insn.field_selector = the_insn.exp.field_selector;
|
|
the_insn.arg_reloc = last_call_desc.arg_reloc;
|
|
bzero (&last_call_desc, sizeof (call_descS));
|
|
}
|
|
#else
|
|
if (the_insn.exp.X_add_symbol)
|
|
{
|
|
if (strcmp (S_GET_NAME (the_insn.exp.X_add_symbol), "L0\001") == 0)
|
|
{
|
|
unsigned int w2, w1, w, result;
|
|
|
|
sign_unext ((the_insn.exp.X_add_number - 8) >> 2, 17, &result);
|
|
dis_assemble_17 (result, &w1, &w2, &w);
|
|
opcode |= ((w2 << 2) | (w1 << 16) | w);
|
|
}
|
|
else
|
|
{
|
|
if (is_complex (the_insn.exp))
|
|
the_insn.reloc = R_HPPA_COMPLEX_PCREL_CALL;
|
|
else
|
|
the_insn.reloc = R_HPPA_PCREL_CALL;
|
|
the_insn.format = 17;
|
|
the_insn.arg_reloc = last_call_desc.arg_reloc;
|
|
bzero (&last_call_desc, sizeof (call_descS));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
unsigned int w2, w1, w, result;
|
|
|
|
sign_unext (the_insn.exp.X_add_number >> 2, 17, &result);
|
|
dis_assemble_17 (result, &w1, &w2, &w);
|
|
opcode |= ((w2 << 2) | (w1 << 16) | w);
|
|
}
|
|
#endif
|
|
s = expr_end;
|
|
continue;
|
|
case 'z': /* 17 bit branch displacement (not pc-relative) */
|
|
#if defined(OBJ_ELF)
|
|
the_insn.field_selector = pa_chk_field_selector (&s);
|
|
#endif
|
|
getExpression (s);
|
|
the_insn.pcrel = 0;
|
|
#ifdef OBJ_SOM
|
|
if (strcmp (the_insn.exp.X_add_symbol->sy_nlist.n_un.n_name, "L0\001") == 0)
|
|
{
|
|
unsigned int w2, w1, w, result;
|
|
|
|
sign_unext ((the_insn.exp.X_add_number - 8) >> 2, 17, &result);
|
|
dis_assemble_17 (result, &w1, &w2, &w);
|
|
opcode |= ((w2 << 2) | (w1 << 16) | w);
|
|
the_insn.exp.X_add_symbol->sy_ref = FALSE;
|
|
}
|
|
else
|
|
{
|
|
/* this has to be wrong -- dont know what is right! */
|
|
the_insn.reloc = R_PCREL_CALL;
|
|
the_insn.code = 'W';
|
|
the_insn.field_selector = the_insn.exp.field_selector;
|
|
the_insn.arg_reloc = last_call_desc.arg_reloc;
|
|
bzero (&last_call_desc, sizeof (call_descS));
|
|
}
|
|
#else
|
|
if (the_insn.exp.X_add_symbol)
|
|
{
|
|
if (strcmp (S_GET_NAME (the_insn.exp.X_add_symbol), "L0\001") == 0)
|
|
{
|
|
unsigned int w2, w1, w, result;
|
|
|
|
sign_unext ((the_insn.exp.X_add_number - 8) >> 2, 17, &result);
|
|
dis_assemble_17 (result, &w1, &w2, &w);
|
|
opcode |= ((w2 << 2) | (w1 << 16) | w);
|
|
}
|
|
else
|
|
{
|
|
if (is_complex (the_insn.exp))
|
|
{
|
|
the_insn.reloc = R_HPPA_COMPLEX_ABS_CALL;
|
|
}
|
|
else
|
|
{
|
|
the_insn.reloc = R_HPPA_ABS_CALL;
|
|
}
|
|
/* This could also be part of an instruction sequence of
|
|
interest. If so, check to make sure that the previous
|
|
instruction's fixup is appropriate. (ble, be instructions
|
|
affect the reloc of immediately preceding ldil
|
|
instructions.) */
|
|
if (strcasecmp (prev_str, "ldil") == 0 &&
|
|
prev_insn.exp.X_add_symbol == the_insn.exp.X_add_symbol &&
|
|
prev_insn.exp.X_subtract_symbol == the_insn.exp.X_subtract_symbol &&
|
|
prev_insn.exp.X_seg == the_insn.exp.X_seg &&
|
|
prev_insn.exp.X_add_number == the_insn.exp.X_add_number &&
|
|
prev_fix != NULL)
|
|
prev_fix->fx_r_type = the_insn.reloc;
|
|
|
|
the_insn.format = 17;
|
|
the_insn.arg_reloc = last_call_desc.arg_reloc;
|
|
bzero (&last_call_desc, sizeof (call_descS));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
unsigned int w2, w1, w, result;
|
|
|
|
sign_unext (the_insn.exp.X_add_number >> 2, 17, &result);
|
|
dis_assemble_17 (result, &w1, &w2, &w);
|
|
opcode |= ((w2 << 2) | (w1 << 16) | w);
|
|
}
|
|
#endif
|
|
s = expr_end;
|
|
continue;
|
|
case 'p': /* 5 bit shift count at 26 (to support SHD instr.) */
|
|
/* value is encoded in instr. as 31-p where p is */
|
|
/* the value scanned here */
|
|
getExpression (s);
|
|
if (the_insn.exp.X_seg == &bfd_abs_section)
|
|
{
|
|
opcode |= (((31 - the_insn.exp.X_add_number) & 0x1f) << 5);
|
|
}
|
|
s = expr_end;
|
|
continue;
|
|
case 'P': /* 5-bit bit position at 26 */
|
|
getExpression (s);
|
|
if (the_insn.exp.X_seg == &bfd_abs_section)
|
|
{
|
|
opcode |= (the_insn.exp.X_add_number & 0x1f) << 5;
|
|
}
|
|
s = expr_end;
|
|
continue;
|
|
case 'Q': /* 5 bit immediate at 10 */
|
|
/* (unsigned bit position value for the bb instruction) */
|
|
getExpression (s);
|
|
im5 = evaluateAbsolute (the_insn.exp, the_insn.field_selector);
|
|
if (im5 > 31 || im5 < 0)
|
|
{
|
|
as_bad ("Operand out of range. Was: %d. Should be [0..31]. Assuming %d.\n", im5, im5 & 0x1f);
|
|
im5 = im5 & 0x1f;
|
|
}
|
|
opcode |= im5 << 21;
|
|
s = expr_end;
|
|
continue;
|
|
case 'A': /* 13 bit immediate at 18 (to support BREAK instr.) */
|
|
getAbsoluteExpression (s);
|
|
if (the_insn.exp.X_seg == &bfd_abs_section)
|
|
opcode |= (the_insn.exp.X_add_number & 0x1fff) << 13;
|
|
s = expr_end;
|
|
continue;
|
|
case 'Z': /* System Control Completer(for LDA, LHA, etc.) */
|
|
if (*s == ',' && (*(s + 1) == 'm' || *(s + 1) == 'M'))
|
|
{
|
|
m = 1;
|
|
s += 2;
|
|
}
|
|
else
|
|
m = 0;
|
|
|
|
opcode |= m << 5;
|
|
while (*s == ' ' || *s == '\t') /* skip to next operand */
|
|
s++;
|
|
|
|
continue;
|
|
case 'D': /* 26 bit immediate at 31 (to support DIAG instr.) */
|
|
/* the action (and interpretation of this operand is
|
|
implementation dependent) */
|
|
#if defined(OBJ_ELF)
|
|
the_insn.field_selector = pa_chk_field_selector (&s);
|
|
#endif
|
|
getExpression (s);
|
|
if (the_insn.exp.X_seg == &bfd_abs_section)
|
|
{
|
|
opcode |= ((evaluateAbsolute (the_insn.exp, the_insn.field_selector) & 0x1ffffff) << 1);
|
|
#ifdef NEW_SOM /* XXX what replaces this? */
|
|
/* PJH: VERY unsure about the following */
|
|
the_insn.field_selector = the_insn.exp.field_selector;
|
|
#endif
|
|
}
|
|
else
|
|
as_bad ("Illegal DIAG operand");
|
|
s = expr_end;
|
|
continue;
|
|
case 'f': /* 3 bit Special Function Unit (SFU) identifier at 25 */
|
|
sfu = pa_parse_number (&s);
|
|
if ((sfu > 7) || (sfu < 0))
|
|
as_bad ("Illegal SFU identifier: %02x", sfu);
|
|
opcode |= (sfu & 7) << 6;
|
|
continue;
|
|
case 'O': /* 20 bit SFU op. split between 15 bits at 20
|
|
and 5 bits at 31 */
|
|
getExpression (s);
|
|
s = expr_end;
|
|
continue;
|
|
case 'o': /* 15 bit Special Function Unit operation at 20 */
|
|
getExpression (s);
|
|
s = expr_end;
|
|
continue;
|
|
case '2': /* 22 bit SFU op. split between 17 bits at 20
|
|
and 5 bits at 31 */
|
|
getExpression (s);
|
|
s = expr_end;
|
|
continue;
|
|
case '1': /* 15 bit SFU op. split between 10 bits at 20
|
|
and 5 bits at 31 */
|
|
getExpression (s);
|
|
s = expr_end;
|
|
continue;
|
|
case '0': /* 10 bit SFU op. split between 5 bits at 20
|
|
and 5 bits at 31 */
|
|
getExpression (s);
|
|
s = expr_end;
|
|
continue;
|
|
case 'u': /* 3 bit coprocessor unit identifier at 25 */
|
|
getExpression (s);
|
|
s = expr_end;
|
|
continue;
|
|
case 'F': /* Source FP Operand Format Completer (2 bits at 20) */
|
|
f = pa_parse_fp_format (&s);
|
|
opcode |= (int) f << 11;
|
|
the_insn.fpof1 = f;
|
|
continue;
|
|
case 'G': /* Destination FP Operand Format Completer (2 bits at 18) */
|
|
s--; /* need to pass the previous comma to pa_parse_fp_format */
|
|
f = pa_parse_fp_format (&s);
|
|
opcode |= (int) f << 13;
|
|
the_insn.fpof2 = f;
|
|
continue;
|
|
case 'M': /* FP Compare Conditions (encoded as 5 bits at 31) */
|
|
cond = pa_parse_fp_cmp_cond (&s);
|
|
opcode |= cond;
|
|
continue;
|
|
|
|
case 'v': /* a 't' type extended to handle L/R register halves. */
|
|
{
|
|
struct pa_89_fp_reg_struct result;
|
|
int status;
|
|
|
|
pa_89_parse_number (&s, &result);
|
|
if (result.number_part < 32 && result.number_part >= 0)
|
|
{
|
|
opcode |= (result.number_part & 0x1f);
|
|
|
|
/* 0x30 opcodes are FP arithmetic operation opcodes */
|
|
/* load/store FP opcodes do not get converted to 0x38 */
|
|
/* opcodes like the 0x30 opcodes do */
|
|
if (need_89_opcode (&the_insn, &result))
|
|
{
|
|
if ((opcode & 0xfc000000) == 0x30000000)
|
|
{
|
|
opcode |= (result.L_R_select & 1) << 6;
|
|
opcode |= 1 << 27;
|
|
}
|
|
else
|
|
{
|
|
opcode |= (result.L_R_select & 1) << 6;
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
}
|
|
break;
|
|
case 'E': /* a 'b' type extended to handle L/R register halves. */
|
|
{
|
|
struct pa_89_fp_reg_struct result;
|
|
int status;
|
|
|
|
pa_89_parse_number (&s, &result);
|
|
if (result.number_part < 32 && result.number_part >= 0)
|
|
{
|
|
opcode |= (result.number_part & 0x1f) << 21;
|
|
if (need_89_opcode (&the_insn, &result))
|
|
{
|
|
opcode |= (result.L_R_select & 1) << 7;
|
|
opcode |= 1 << 27;
|
|
}
|
|
continue;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'X': /* an 'x' type extended to handle L/R register halves. */
|
|
{
|
|
struct pa_89_fp_reg_struct result;
|
|
int status;
|
|
|
|
|
|
pa_89_parse_number (&s, &result);
|
|
if (result.number_part < 32 && result.number_part >= 0)
|
|
{
|
|
opcode |= (result.number_part & 0x1f) << 16;
|
|
if (need_89_opcode (&the_insn, &result))
|
|
{
|
|
opcode |= (result.L_R_select & 1) << 12;
|
|
opcode |= 1 << 27;
|
|
}
|
|
continue;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case '4': /* 5 bit register field at 10
|
|
(used in 'fmpyadd' and 'fmpysub') */
|
|
{
|
|
struct pa_89_fp_reg_struct result;
|
|
int status;
|
|
|
|
status = pa_89_parse_number (&s, &result);
|
|
if (result.number_part < 32 && result.number_part >= 0)
|
|
{
|
|
if (the_insn.fpof1 == SGL)
|
|
{
|
|
result.number_part &= 0xF;
|
|
result.number_part |= (result.L_R_select & 1) << 4;
|
|
}
|
|
opcode |= result.number_part << 21;
|
|
continue;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case '6': /* 5 bit register field at 15
|
|
(used in 'fmpyadd' and 'fmpysub') */
|
|
{
|
|
struct pa_89_fp_reg_struct result;
|
|
int status;
|
|
|
|
status = pa_89_parse_number (&s, &result);
|
|
if (result.number_part < 32 && result.number_part >= 0)
|
|
{
|
|
if (the_insn.fpof1 == SGL)
|
|
{
|
|
result.number_part &= 0xF;
|
|
result.number_part |= (result.L_R_select & 1) << 4;
|
|
}
|
|
opcode |= result.number_part << 16;
|
|
continue;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case '7': /* 5 bit register field at 31
|
|
(used in 'fmpyadd' and 'fmpysub') */
|
|
{
|
|
struct pa_89_fp_reg_struct result;
|
|
int status;
|
|
|
|
status = pa_89_parse_number (&s, &result);
|
|
if (result.number_part < 32 && result.number_part >= 0)
|
|
{
|
|
if (the_insn.fpof1 == SGL)
|
|
{
|
|
result.number_part &= 0xF;
|
|
result.number_part |= (result.L_R_select & 1) << 4;
|
|
}
|
|
opcode |= result.number_part;
|
|
continue;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case '8': /* 5 bit register field at 20
|
|
(used in 'fmpyadd' and 'fmpysub') */
|
|
{
|
|
struct pa_89_fp_reg_struct result;
|
|
int status;
|
|
|
|
status = pa_89_parse_number (&s, &result);
|
|
if (result.number_part < 32 && result.number_part >= 0)
|
|
{
|
|
if (the_insn.fpof1 == SGL)
|
|
{
|
|
result.number_part &= 0xF;
|
|
result.number_part |= (result.L_R_select & 1) << 4;
|
|
}
|
|
opcode |= result.number_part << 11;
|
|
continue;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case '9': /* 5 bit register field at 25
|
|
(used in 'fmpyadd' and 'fmpysub') */
|
|
{
|
|
struct pa_89_fp_reg_struct result;
|
|
int status;
|
|
|
|
status = pa_89_parse_number (&s, &result);
|
|
if (result.number_part < 32 && result.number_part >= 0)
|
|
{
|
|
if (the_insn.fpof1 == SGL)
|
|
{
|
|
result.number_part &= 0xF;
|
|
result.number_part |= (result.L_R_select & 1) << 4;
|
|
}
|
|
opcode |= result.number_part << 6;
|
|
continue;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'H': /* Floating Point Operand Format at 26 for */
|
|
/* 'fmpyadd' and 'fmpysub' (very similar to 'F') */
|
|
/* bits are switched from other FP Operand */
|
|
/* formats. 1=SGL, 1=<none>, 0=DBL */
|
|
f = pa_parse_fp_format (&s);
|
|
switch (f)
|
|
{
|
|
case SGL:
|
|
opcode |= 0x20;
|
|
case DBL:
|
|
the_insn.fpof1 = f;
|
|
continue;
|
|
|
|
case QUAD:
|
|
case ILLEGAL_FMT:
|
|
default:
|
|
as_bad ("Illegal Floating Point Operand Format for this instruction: '%s'", *s);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
abort ();
|
|
}
|
|
break;
|
|
}
|
|
error:
|
|
if (match == FALSE)
|
|
{
|
|
/* Args don't match. */
|
|
if (&insn[1] - pa_opcodes < NUMOPCODES
|
|
&& !strcmp (insn->name, insn[1].name))
|
|
{
|
|
++insn;
|
|
s = argsStart;
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
as_bad ("Illegal operands %s", error_message);
|
|
return;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
the_insn.opcode = opcode;
|
|
|
|
#ifdef PA_DEBUG
|
|
if (the_insn.exp.X_add_symbol && the_insn.exp.X_subtract_symbol)
|
|
print_insn_short (&the_insn);
|
|
fprintf (stderr, "*********** END OF STATEMENT\n");
|
|
#endif
|
|
|
|
return;
|
|
}
|
|
|
|
/*
|
|
This is identical to the md_atof in m68k.c. I think this is right,
|
|
but I'm not sure.
|
|
|
|
Turn a string in input_line_pointer into a floating point constant of type
|
|
type, and store the appropriate bytes in *litP. The number of LITTLENUMS
|
|
emitted is stored in *sizeP . An error message is returned, or NULL on OK.
|
|
*/
|
|
|
|
/* Equal to MAX_PRECISION in atof-ieee.c */
|
|
#define MAX_LITTLENUMS 6
|
|
|
|
char *
|
|
md_atof (type, litP, sizeP)
|
|
char type;
|
|
char *litP;
|
|
int *sizeP;
|
|
{
|
|
int prec;
|
|
LITTLENUM_TYPE words[MAX_LITTLENUMS];
|
|
LITTLENUM_TYPE *wordP;
|
|
char *t;
|
|
char *atof_ieee ();
|
|
|
|
switch (type)
|
|
{
|
|
|
|
case 'f':
|
|
case 'F':
|
|
case 's':
|
|
case 'S':
|
|
prec = 2;
|
|
break;
|
|
|
|
case 'd':
|
|
case 'D':
|
|
case 'r':
|
|
case 'R':
|
|
prec = 4;
|
|
break;
|
|
|
|
case 'x':
|
|
case 'X':
|
|
prec = 6;
|
|
break;
|
|
|
|
case 'p':
|
|
case 'P':
|
|
prec = 6;
|
|
break;
|
|
|
|
default:
|
|
*sizeP = 0;
|
|
return "Bad call to MD_ATOF()";
|
|
}
|
|
t = atof_ieee (input_line_pointer, type, words);
|
|
if (t)
|
|
input_line_pointer = t;
|
|
*sizeP = prec * sizeof (LITTLENUM_TYPE);
|
|
for (wordP = words; prec--;)
|
|
{
|
|
md_number_to_chars (litP, (long) (*wordP++), sizeof (LITTLENUM_TYPE));
|
|
litP += sizeof (LITTLENUM_TYPE);
|
|
}
|
|
return ""; /* Someone should teach Dean about null pointers */
|
|
}
|
|
|
|
/*
|
|
* Write out big-endian.
|
|
*/
|
|
void
|
|
md_number_to_chars (buf, val, n)
|
|
char *buf;
|
|
valueT val;
|
|
int n;
|
|
{
|
|
|
|
switch (n)
|
|
{
|
|
|
|
case 4:
|
|
*buf++ = val >> 24;
|
|
*buf++ = val >> 16;
|
|
case 2:
|
|
*buf++ = val >> 8;
|
|
case 1:
|
|
*buf = val;
|
|
break;
|
|
|
|
default:
|
|
abort ();
|
|
}
|
|
return;
|
|
}
|
|
|
|
void
|
|
md_create_short_jump (ptr, from_addr, to_addr, frag, to_symbol)
|
|
char *ptr;
|
|
addressT from_addr, to_addr;
|
|
fragS *frag;
|
|
symbolS *to_symbol;
|
|
{
|
|
fprintf (stderr, "pa_create_short_jmp\n");
|
|
abort ();
|
|
}
|
|
|
|
void
|
|
md_number_to_disp (buf, val, n)
|
|
char *buf;
|
|
long val;
|
|
int n;
|
|
{
|
|
fprintf (stderr, "md_number_to_disp\n");
|
|
abort ();
|
|
}
|
|
|
|
void
|
|
md_number_to_field (buf, val, fix)
|
|
char *buf;
|
|
long val;
|
|
void *fix;
|
|
{
|
|
fprintf (stderr, "pa_number_to_field\n");
|
|
abort ();
|
|
}
|
|
|
|
/* the bit-field entries in the relocation_info struct plays hell
|
|
with the byte-order problems of cross-assembly. So as a hack,
|
|
I added this mach. dependent ri twiddler. Ugly, but it gets
|
|
you there. -KWK */
|
|
/* on sparc: first 4 bytes are normal unsigned long address, next three
|
|
bytes are index, most sig. byte first. Byte 7 is broken up with
|
|
bit 7 as external, bits 6 & 5 unused, and the lower
|
|
five bits as relocation type. Next 4 bytes are long int addend. */
|
|
/* Thanx and a tip of the hat to Michael Bloom, mb@ttidca.tti.com */
|
|
|
|
#ifdef OBJ_SOM
|
|
void
|
|
md_ri_to_chars (ri_p, ri)
|
|
struct reloc_info_pa *ri_p, ri;
|
|
{
|
|
unsigned char the_bytes[sizeof (*ri_p)];
|
|
#if defined(OBJ_SOM) | defined(OBJ_OSFROSE) | defined(OBJ_ELF)
|
|
/* not sure what, if any, changes are required for new-style cross-assembly */
|
|
#else
|
|
the_bytes[0] = ((ri.need_data_ref << 7) & 0x80) | ((ri.arg_reloc & 0x03f8) >> 3);
|
|
the_bytes[1] = ((ri.arg_reloc & 0x07) << 5) | ri.expression_type;
|
|
the_bytes[2] = ((ri.exec_level << 6) & 0xc0) | ri.fixup_format;
|
|
the_bytes[3] = ri.fixup_field & 0xff;
|
|
md_number_to_chars (&the_bytes[4], ri.subspace_offset, sizeof (ri.subspace_offset));
|
|
md_number_to_chars (&the_bytes[8], ri.symbol_index_one, sizeof (ri.symbol_index_one));
|
|
md_number_to_chars (&the_bytes[12], ri.symbol_index_two, sizeof (ri.symbol_index_two));
|
|
md_number_to_chars (&the_bytes[16], ri.fixup_constant, sizeof (ri.fixup_constant));
|
|
|
|
/* now put it back where you found it, Junior... */
|
|
bcopy (the_bytes, (char *) ri_p, sizeof (*ri_p));
|
|
#endif
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
/* Translate internal representation of relocation info to BFD target
|
|
format. */
|
|
/* This may need additional work to make sure that SOM support is complete. */
|
|
#ifdef OBJ_ELF
|
|
arelent **
|
|
tc_gen_reloc (section, fixp)
|
|
asection *section;
|
|
fixS *fixp;
|
|
{
|
|
arelent *reloc;
|
|
hppa_fixS *hppa_fixp = hppa_find_hppa_fix (fixp);
|
|
bfd_reloc_code_real_type code;
|
|
static int unwind_reloc_fixp_cnt = 0;
|
|
static arelent *unwind_reloc_entryP = NULL;
|
|
static arelent *no_relocs = NULL;
|
|
arelent **relocs;
|
|
bfd_reloc_code_real_type **codes;
|
|
int n_relocs;
|
|
int i;
|
|
|
|
if (fixp->fx_addsy == 0)
|
|
return &no_relocs;
|
|
assert (hppa_fixp != 0);
|
|
assert (section != 0);
|
|
|
|
/* unwind section relocations are handled in a special way. */
|
|
/* The relocations for the .unwind section are originally */
|
|
/* built in the usual way. That is, for each unwind table */
|
|
/* entry there are two relocations: one for the beginning of */
|
|
/* the function and one for the end. */
|
|
|
|
/* The first time we enter this function we create a */
|
|
/* relocation of the type R_HPPA_UNWIND_ENTRIES. The addend */
|
|
/* of the relocation is initialized to 0. Each additional */
|
|
/* pair of times this function is called for the unwind */
|
|
/* section represents an additional unwind table entry. Thus, */
|
|
/* the addend of the relocation should end up to be the number */
|
|
/* of unwind table entries. */
|
|
if (strcmp (UNWIND_SECTION_NAME, section->name) == 0)
|
|
{
|
|
if (unwind_reloc_entryP == NULL)
|
|
{
|
|
reloc = (arelent *) bfd_alloc_by_size_t (stdoutput, sizeof (arelent));
|
|
assert (reloc != 0);
|
|
unwind_reloc_entryP = reloc;
|
|
unwind_reloc_fixp_cnt++;
|
|
unwind_reloc_entryP->address = fixp->fx_frag->fr_address + fixp->fx_where;
|
|
/* a pointer any function will do. We only */
|
|
/* need one to tell us what section the unwind */
|
|
/* relocations are for. */
|
|
unwind_reloc_entryP->sym_ptr_ptr = &fixp->fx_addsy->bsym;
|
|
code = R_HPPA_UNWIND_ENTRIES;
|
|
unwind_reloc_entryP->howto = bfd_reloc_type_lookup (stdoutput, code);
|
|
unwind_reloc_entryP->addend = unwind_reloc_fixp_cnt / 2;
|
|
relocs = (arelent **) bfd_alloc_by_size_t (stdoutput, sizeof (arelent *) * 2);
|
|
assert (relocs != 0);
|
|
relocs[0] = unwind_reloc_entryP;
|
|
relocs[1] = NULL;
|
|
return relocs;
|
|
}
|
|
unwind_reloc_fixp_cnt++;
|
|
unwind_reloc_entryP->addend = unwind_reloc_fixp_cnt / 2;
|
|
|
|
return &no_relocs;
|
|
}
|
|
|
|
reloc = (arelent *) bfd_alloc_by_size_t (stdoutput, sizeof (arelent));
|
|
assert (reloc != 0);
|
|
|
|
reloc->sym_ptr_ptr = &fixp->fx_addsy->bsym;
|
|
/* XXX: might need additional processing here */
|
|
/* hppa_elf_gen_reloc_type() is defined in the */
|
|
/* ELF/PA BFD back-end */
|
|
codes = hppa_elf_gen_reloc_type (stdoutput,
|
|
fixp->fx_r_type,
|
|
hppa_fixp->fx_r_format,
|
|
hppa_fixp->fx_r_field);
|
|
|
|
for (n_relocs = 0; codes[n_relocs]; n_relocs++)
|
|
;
|
|
|
|
relocs = (arelent **) bfd_alloc_by_size_t (stdoutput, sizeof (arelent *) * n_relocs + 1);
|
|
assert (relocs != 0);
|
|
|
|
reloc = (arelent *) bfd_alloc_by_size_t (stdoutput, sizeof (arelent) * n_relocs);
|
|
if (n_relocs > 0)
|
|
assert (reloc != 0);
|
|
|
|
for (i = 0; i < n_relocs; i++)
|
|
relocs[i] = &reloc[i];
|
|
|
|
relocs[n_relocs] = NULL;
|
|
|
|
switch (fixp->fx_r_type)
|
|
{
|
|
case R_HPPA_COMPLEX:
|
|
case R_HPPA_COMPLEX_PCREL_CALL:
|
|
case R_HPPA_COMPLEX_ABS_CALL:
|
|
assert (n_relocs == 5);
|
|
|
|
for (i = 0; i < n_relocs; i++)
|
|
{
|
|
reloc[i].sym_ptr_ptr = NULL;
|
|
reloc[i].address = 0;
|
|
reloc[i].addend = 0;
|
|
reloc[i].howto = bfd_reloc_type_lookup (stdoutput, *codes[i]);
|
|
assert (reloc[i].howto && *codes[i] == reloc[i].howto->type);
|
|
}
|
|
|
|
reloc[0].sym_ptr_ptr = &fixp->fx_addsy->bsym;
|
|
reloc[1].sym_ptr_ptr = &fixp->fx_subsy->bsym;
|
|
reloc[4].address = fixp->fx_frag->fr_address + fixp->fx_where;
|
|
|
|
if (fixp->fx_r_type == R_HPPA_COMPLEX)
|
|
reloc[3].addend = fixp->fx_addnumber;
|
|
else if (fixp->fx_r_type == R_HPPA_COMPLEX_PCREL_CALL ||
|
|
fixp->fx_r_type == R_HPPA_COMPLEX_ABS_CALL)
|
|
reloc[1].addend = fixp->fx_addnumber;
|
|
|
|
break;
|
|
|
|
default:
|
|
assert (n_relocs == 1);
|
|
|
|
code = *codes[0];
|
|
|
|
reloc->sym_ptr_ptr = &fixp->fx_addsy->bsym;
|
|
reloc->howto = bfd_reloc_type_lookup (stdoutput, code);
|
|
reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
|
|
reloc->addend = 0; /* default */
|
|
|
|
assert (reloc->howto && code == reloc->howto->type);
|
|
|
|
/* Now, do any processing that is dependent on the relocation */
|
|
/* type. */
|
|
switch (code)
|
|
{
|
|
case R_HPPA_PLABEL_32:
|
|
case R_HPPA_PLABEL_11:
|
|
case R_HPPA_PLABEL_14:
|
|
case R_HPPA_PLABEL_L21:
|
|
case R_HPPA_PLABEL_R11:
|
|
case R_HPPA_PLABEL_R14:
|
|
/* For plabel relocations, the addend of the */
|
|
/* relocation should be either 0 (no static link) or 2 */
|
|
/* (static link required). */
|
|
/* XXX: assume that fx_addnumber contains this */
|
|
/* information */
|
|
reloc->addend = fixp->fx_addnumber;
|
|
break;
|
|
|
|
case R_HPPA_ABS_CALL_11:
|
|
case R_HPPA_ABS_CALL_14:
|
|
case R_HPPA_ABS_CALL_17:
|
|
case R_HPPA_ABS_CALL_L21:
|
|
case R_HPPA_ABS_CALL_R11:
|
|
case R_HPPA_ABS_CALL_R14:
|
|
case R_HPPA_ABS_CALL_R17:
|
|
case R_HPPA_ABS_CALL_LS21:
|
|
case R_HPPA_ABS_CALL_RS11:
|
|
case R_HPPA_ABS_CALL_RS14:
|
|
case R_HPPA_ABS_CALL_RS17:
|
|
case R_HPPA_ABS_CALL_LD21:
|
|
case R_HPPA_ABS_CALL_RD11:
|
|
case R_HPPA_ABS_CALL_RD14:
|
|
case R_HPPA_ABS_CALL_RD17:
|
|
case R_HPPA_ABS_CALL_LR21:
|
|
case R_HPPA_ABS_CALL_RR14:
|
|
case R_HPPA_ABS_CALL_RR17:
|
|
|
|
case R_HPPA_PCREL_CALL_11:
|
|
case R_HPPA_PCREL_CALL_14:
|
|
case R_HPPA_PCREL_CALL_17:
|
|
case R_HPPA_PCREL_CALL_L21:
|
|
case R_HPPA_PCREL_CALL_R11:
|
|
case R_HPPA_PCREL_CALL_R14:
|
|
case R_HPPA_PCREL_CALL_R17:
|
|
case R_HPPA_PCREL_CALL_LS21:
|
|
case R_HPPA_PCREL_CALL_RS11:
|
|
case R_HPPA_PCREL_CALL_RS14:
|
|
case R_HPPA_PCREL_CALL_RS17:
|
|
case R_HPPA_PCREL_CALL_LD21:
|
|
case R_HPPA_PCREL_CALL_RD11:
|
|
case R_HPPA_PCREL_CALL_RD14:
|
|
case R_HPPA_PCREL_CALL_RD17:
|
|
case R_HPPA_PCREL_CALL_LR21:
|
|
case R_HPPA_PCREL_CALL_RR14:
|
|
case R_HPPA_PCREL_CALL_RR17:
|
|
/* constant is stored in the instruction */
|
|
reloc->addend = ELF32_HPPA_R_ADDEND (hppa_fixp->fx_arg_reloc, 0);
|
|
break;
|
|
default:
|
|
reloc->addend = fixp->fx_addnumber;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
return relocs;
|
|
}
|
|
|
|
#else
|
|
arelent *
|
|
tc_gen_reloc (section, fixp)
|
|
asection *section;
|
|
fixS *fixp;
|
|
{
|
|
arelent *reloc;
|
|
hppa_fixS *hppa_fixp = hppa_find_hppa_fix (fixp);
|
|
bfd_reloc_code_real_type code;
|
|
|
|
if (fixp->fx_addsy == 0)
|
|
return 0;
|
|
assert (hppa_fixp != 0);
|
|
assert (section != 0);
|
|
|
|
reloc = (arelent *) bfd_alloc_by_size_t (stdoutput, sizeof (arelent));
|
|
assert (reloc != 0);
|
|
|
|
reloc->sym_ptr_ptr = &fixp->fx_addsy->bsym;
|
|
/* XXX: might need additional processing here */
|
|
/* hppa_elf_gen_reloc_type() is defined in the */
|
|
/* ELF/PA BFD back-end */
|
|
code = hppa_elf_gen_reloc_type (stdoutput,
|
|
fixp->fx_r_type,
|
|
hppa_fixp->fx_r_format,
|
|
hppa_fixp->fx_r_field);
|
|
reloc->howto = bfd_reloc_type_lookup (stdoutput, code);
|
|
|
|
assert (code == reloc->howto->type);
|
|
|
|
reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
|
|
reloc->addend = 0; /* default */
|
|
|
|
/* Now, do any processing that is dependent on the relocation */
|
|
/* type. (Is there any?) */
|
|
switch (code)
|
|
{
|
|
default:
|
|
reloc->addend = fixp->fx_addnumber;
|
|
break;
|
|
}
|
|
|
|
return reloc;
|
|
}
|
|
|
|
#endif
|
|
|
|
void
|
|
md_convert_frag (abfd, sec, fragP)
|
|
register bfd *abfd;
|
|
register asection *sec;
|
|
register fragS *fragP;
|
|
{
|
|
unsigned int address;
|
|
|
|
if (fragP->fr_type == rs_machine_dependent)
|
|
{
|
|
switch ((int) fragP->fr_subtype)
|
|
{
|
|
case 0:
|
|
fragP->fr_type = rs_fill;
|
|
know (fragP->fr_var == 1);
|
|
know (fragP->fr_next);
|
|
address = fragP->fr_address + fragP->fr_fix;
|
|
if (address % fragP->fr_offset)
|
|
{
|
|
fragP->fr_offset =
|
|
fragP->fr_next->fr_address
|
|
- fragP->fr_address
|
|
- fragP->fr_fix;
|
|
}
|
|
else
|
|
fragP->fr_offset = 0;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Round up a section size to the appropriate boundary. */
|
|
valueT
|
|
md_section_align (segment, size)
|
|
asection *segment;
|
|
valueT size;
|
|
{
|
|
return (size + 7) & ~7; /* Round all sects to multiple of 8 */
|
|
} /* md_section_align() */
|
|
|
|
void
|
|
md_create_long_jump (ptr, from_addr, to_addr, frag, to_symbol)
|
|
char *ptr;
|
|
addressT from_addr, to_addr;
|
|
fragS *frag;
|
|
symbolS *to_symbol;
|
|
{
|
|
fprintf (stderr, "pa_create_long_jump\n");
|
|
abort ();
|
|
}
|
|
|
|
int
|
|
/* md_estimate_size_before_relax(fragP, segtype) */
|
|
md_estimate_size_before_relax (fragP, segment)
|
|
register fragS *fragP;
|
|
asection *segment;
|
|
{
|
|
int size;
|
|
|
|
size = 0;
|
|
|
|
while ((fragP->fr_fix + size) % fragP->fr_offset)
|
|
size++;
|
|
|
|
return size;
|
|
}
|
|
|
|
int
|
|
md_parse_option (argP, cntP, vecP)
|
|
char **argP;
|
|
int *cntP;
|
|
char ***vecP;
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
/* We have no need to default values of symbols. */
|
|
|
|
/* ARGSUSED */
|
|
symbolS *
|
|
md_undefined_symbol (name)
|
|
char *name;
|
|
{
|
|
return 0;
|
|
} /*md_undefined_symbol() */
|
|
|
|
/* Parse an operand that is machine-specific.
|
|
We just return without modifying the expression if we have nothing
|
|
to do. */
|
|
|
|
/* ARGSUSED */
|
|
void
|
|
md_operand (expressionP)
|
|
expressionS *expressionP;
|
|
{
|
|
}
|
|
|
|
/* Apply a fixS to the frags, now that we know the value it ought to
|
|
hold. */
|
|
|
|
int
|
|
apply_field_selector (value, constant, field_selector)
|
|
long value;
|
|
long constant;
|
|
int field_selector;
|
|
{
|
|
/* hppa_field_adjust() is defined in the HPPA target */
|
|
return hppa_field_adjust (value, constant, field_selector);
|
|
}
|
|
|
|
void
|
|
md_apply_fix_1 (fixP, val)
|
|
fixS *fixP;
|
|
long val;
|
|
{
|
|
char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
|
|
hppa_fixS *hppa_fixP = hppa_find_hppa_fix (fixP);
|
|
long new_val;
|
|
long result;
|
|
unsigned int w1, w2, w;
|
|
/* The following routine is defined in the ELF/PA back-end */
|
|
extern unsigned char hppa_elf_insn2fmt ();
|
|
|
|
if (hppa_fixP)
|
|
{
|
|
unsigned long buf_wd = bfd_get_32 (stdoutput, buf);
|
|
unsigned char fmt = hppa_elf_insn2fmt (fixP->fx_r_type, buf_wd);
|
|
|
|
assert (fixP->fx_r_type < R_HPPA_UNIMPLEMENTED);
|
|
assert (fixP->fx_r_type >= R_HPPA_NONE);
|
|
|
|
fixP->fx_addnumber = val; /* Remember value for emit_reloc */
|
|
|
|
/* Check if this is an undefined symbol. No relocation can */
|
|
/* possibly be performed in this case. */
|
|
|
|
if ((fixP->fx_addsy && fixP->fx_addsy->bsym->section == &bfd_und_section)
|
|
|| (fixP->fx_subsy && fixP->fx_subsy->bsym->section == &bfd_und_section))
|
|
return;
|
|
|
|
/* Perform some processing particular to unwind */
|
|
/* relocations */
|
|
|
|
if (hppa_fixP->fx_call_infop
|
|
&& (((fixP == hppa_fixP->fx_call_infop->start_fix)
|
|
&& (fixP->fx_addsy ==
|
|
hppa_fixP->fx_call_infop->start_symbol))
|
|
|| ((fixP == hppa_fixP->fx_call_infop->end_fix)
|
|
&& (fixP->fx_addsy ==
|
|
hppa_fixP->fx_call_infop->end_symbol))
|
|
))
|
|
val += fixP->fx_addsy->sy_frag->fr_address;
|
|
|
|
switch (fmt)
|
|
{
|
|
|
|
case 14: /* all the opcodes with the 'j' operand type */
|
|
new_val = apply_field_selector (val, 0, hppa_fixP->fx_r_field);
|
|
/* need to check for overflow here */
|
|
|
|
/* mask off 14 bits to be changed */
|
|
/* *(long *)buf = *(long *)buf & 0xffffc000; */
|
|
bfd_put_32 (stdoutput,
|
|
bfd_get_32 (stdoutput, buf) & 0xffffc000,
|
|
buf);
|
|
low_sign_unext (new_val, 14, &result);
|
|
break;
|
|
|
|
case 21: /* all the opcodes with the 'k' operand type */
|
|
new_val = apply_field_selector (val, 0, hppa_fixP->fx_r_field);
|
|
/* need to check for overflow here */
|
|
|
|
/* mask off 21 bits to be changed */
|
|
/* *(long *)buf = *(long *)buf & 0xffe00000; */
|
|
bfd_put_32 (stdoutput,
|
|
bfd_get_32 (stdoutput, buf) & 0xffe00000,
|
|
buf);
|
|
dis_assemble_21 (new_val, &result);
|
|
break;
|
|
|
|
case 11: /* all the opcodes with the 'i' operand type */
|
|
new_val = apply_field_selector (val, 0, hppa_fixP->fx_r_field);
|
|
/* need to check for overflow here */
|
|
|
|
/* mask off 11 bits to be changed */
|
|
/* *(long *)buf = *(long *)buf & 0xffff800; */
|
|
bfd_put_32 (stdoutput,
|
|
bfd_get_32 (stdoutput, buf) & 0xffff800,
|
|
buf);
|
|
low_sign_unext (new_val, 11, &result);
|
|
break;
|
|
|
|
case 12: /* all the opcodes with the 'w' operand type */
|
|
new_val = apply_field_selector (val, 0, hppa_fixP->fx_r_field);
|
|
|
|
/* mask off 11 bits to be changed */
|
|
sign_unext ((new_val - 8) >> 2, 12, &result);
|
|
/* *(long *)buf = *(long *)buf & 0xffffe002; */
|
|
bfd_put_32 (stdoutput,
|
|
bfd_get_32 (stdoutput, buf) & 0xffffe002,
|
|
buf);
|
|
|
|
dis_assemble_12 (result, &w1, &w);
|
|
result = ((w1 << 2) | w);
|
|
break;
|
|
|
|
case 17: /* some of the opcodes with the 'W' operand type */
|
|
new_val = apply_field_selector (val, 0, hppa_fixP->fx_r_field);
|
|
/* need to check for overflow here */
|
|
|
|
/* mask off 17 bits to be changed */
|
|
/* *(long *)buf = *(long *)buf & 0xffe0e002; */
|
|
bfd_put_32 (stdoutput,
|
|
bfd_get_32 (stdoutput, buf) & 0xffe0e002,
|
|
buf);
|
|
sign_unext ((new_val - 8) >> 2, 17, &result);
|
|
dis_assemble_17 (result, &w1, &w2, &w);
|
|
result = ((w2 << 2) | (w1 << 16) | w);
|
|
break;
|
|
|
|
case 32:
|
|
new_val = apply_field_selector (val, 0, hppa_fixP->fx_r_field);
|
|
result = new_val; /* no transformation on result */
|
|
/* *(long *)buf = 0; *//* clear out everything */
|
|
bfd_put_32 (stdoutput, 0, buf); /* clear out everything */
|
|
break;
|
|
|
|
case 0:
|
|
return;
|
|
|
|
default:
|
|
as_bad ("bad relocation type/fmt: 0x%02x/0x%02x",
|
|
fixP->fx_r_type, fmt);
|
|
return;
|
|
}
|
|
buf[0] |= (result & 0xff000000) >> 24;
|
|
buf[1] |= (result & 0x00ff0000) >> 16;
|
|
buf[2] |= (result & 0x0000ff00) >> 8;
|
|
buf[3] |= result & 0x000000ff;
|
|
/* We've now adjusted for fx_addnumber, we can */
|
|
/* forget it now. */
|
|
fixP->fx_addnumber = 0;
|
|
}
|
|
else
|
|
{
|
|
printf ("no hppa_fixup entry for this fixup (fixP = 0x%x, type = 0x%x)\n",
|
|
fixP, fixP->fx_r_type);
|
|
}
|
|
} /* md_apply_fix_1() */
|
|
|
|
#ifdef BFD_ASSEMBLER
|
|
int
|
|
md_apply_fix (fixP, valp)
|
|
fixS *fixP;
|
|
long *valp;
|
|
{
|
|
md_apply_fix_1 (fixP, *valp);
|
|
return 1;
|
|
}
|
|
|
|
#else
|
|
void
|
|
md_apply_fix (fixP, val)
|
|
fixS *fixP;
|
|
long val;
|
|
{
|
|
md_apply_fix_1 (fixP, val);
|
|
}
|
|
|
|
#endif
|
|
|
|
/* Exactly what point is a PC-relative offset relative TO?
|
|
On the PA, they're relative to the address of the offset.
|
|
(??? Is this right? FIXME-SOON) */
|
|
long
|
|
md_pcrel_from (fixP)
|
|
fixS *fixP;
|
|
{
|
|
return fixP->fx_where + fixP->fx_frag->fr_address;
|
|
} /* md_pcrel_from() */
|
|
|
|
int
|
|
is_end_of_statement ()
|
|
{
|
|
return ((*input_line_pointer == '\n')
|
|
|| (*input_line_pointer == ';')
|
|
|| (*input_line_pointer == '!'));
|
|
}
|
|
|
|
/* pa-aux.c -- Assembler for the PA - PA-RISC specific support routines */
|
|
|
|
struct aux_hdr_list *aux_hdr_root = NULL;
|
|
|
|
int print_errors = 1;
|
|
|
|
void
|
|
pa_skip (s)
|
|
char **s;
|
|
{
|
|
while (**s == ' ' || **s == '\t')
|
|
*s = *s + 1;
|
|
}
|
|
|
|
int
|
|
pa_parse_number (s)
|
|
char **s;
|
|
{
|
|
int num;
|
|
char *name;
|
|
char c;
|
|
symbolS *sym;
|
|
int status;
|
|
char *p = *s;
|
|
|
|
while (*p == ' ' || *p == '\t')
|
|
p = p + 1;
|
|
num = -1; /* assume invalid number to begin with */
|
|
if (isdigit (*p))
|
|
{
|
|
num = 0; /* now we know it is a number */
|
|
|
|
if (*p == '0' && (*(p + 1) == 'x' || *(p + 1) == 'X'))
|
|
{ /* hex input */
|
|
p = p + 2;
|
|
while (isdigit (*p) || ((*p >= 'a') && (*p <= 'f'))
|
|
|| ((*p >= 'A') && (*p <= 'F')))
|
|
{
|
|
if (isdigit (*p))
|
|
num = num * 16 + *p - '0';
|
|
else if (*p >= 'a' && *p <= 'f')
|
|
num = num * 16 + *p - 'a' + 10;
|
|
else
|
|
num = num * 16 + *p - 'A' + 10;
|
|
++p;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
while (isdigit (*p))
|
|
{
|
|
num = num * 10 + *p - '0';
|
|
++p;
|
|
}
|
|
}
|
|
}
|
|
else if (*p == '%')
|
|
{ /* could be a pre-defined register */
|
|
num = 0;
|
|
name = p;
|
|
p++;
|
|
c = *p;
|
|
/* tege hack: Special case for general registers
|
|
as the general code makes a binary search with case translation,
|
|
and is VERY slow. */
|
|
if (c == 'r')
|
|
{
|
|
p++;
|
|
if (*p == 'e' && *(p + 1) == 't' && (*(p + 2) == '0' || *(p + 2) == '1'))
|
|
{
|
|
p += 2;
|
|
num = *p - '0' + 28; /* r28 is ret0 */
|
|
p++;
|
|
}
|
|
else if (!isdigit (*p))
|
|
as_bad ("Undefined register: '%s'. ASSUMING 0", name);
|
|
else
|
|
{
|
|
do
|
|
num = num * 10 + *p++ - '0';
|
|
while (isdigit (*p));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
while (is_part_of_name (c))
|
|
{
|
|
p = p + 1;
|
|
c = *p;
|
|
}
|
|
*p = 0;
|
|
status = reg_name_search (name);
|
|
if (status >= 0)
|
|
num = status;
|
|
else
|
|
{
|
|
if (print_errors)
|
|
as_bad ("Undefined register: '%s'. ASSUMING 0", name);
|
|
else
|
|
num = -1;
|
|
}
|
|
*p = c;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
num = 0;
|
|
name = p;
|
|
c = *p;
|
|
while (is_part_of_name (c))
|
|
{
|
|
p = p + 1;
|
|
c = *p;
|
|
}
|
|
*p = 0;
|
|
if ((sym = symbol_find (name)) != NULL)
|
|
{
|
|
#ifdef OBJ_SOM
|
|
if (sym->pa_sy_type == ST_ABSOLUTE)
|
|
{
|
|
num = sym->pa_sy_value;
|
|
#else
|
|
if (S_GET_SEGMENT (sym) == &bfd_abs_section)
|
|
{
|
|
num = S_GET_VALUE (sym);
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
if (print_errors)
|
|
as_bad ("Non-absolute constant: '%s'. ASSUMING 0", name);
|
|
else
|
|
num = -1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (print_errors)
|
|
as_bad ("Undefined absolute constant: '%s'. ASSUMING 0", name);
|
|
else
|
|
num = -1;
|
|
}
|
|
*p = c;
|
|
}
|
|
|
|
*s = p;
|
|
return num;
|
|
}
|
|
|
|
struct pd_reg
|
|
{
|
|
char *name;
|
|
int value;
|
|
};
|
|
|
|
/* List of registers that are pre-defined:
|
|
|
|
General Registers:
|
|
|
|
Name Value Name Value
|
|
%r0 0 %r16 16
|
|
%r1 1 %r17 17
|
|
%r2 2 %r18 18
|
|
%r3 3 %r19 19
|
|
%r4 4 %r20 20
|
|
%r5 5 %r21 21
|
|
%r6 6 %r22 22
|
|
%r7 7 %r23 23
|
|
%r8 8 %r24 24
|
|
%r9 9 %r25 25
|
|
%r10 10 %r26 26
|
|
%r11 11 %r27 27
|
|
%r12 12 %r28 28
|
|
%r13 13 %r29 29
|
|
%r14 14 %r30 30
|
|
%r15 15 %r31 31
|
|
|
|
Floating-point Registers:
|
|
[NOTE: Also includes L and R versions of these (e.g. %fr19L, %fr19R)]
|
|
|
|
Name Value Name Value
|
|
%fr0 0 %fr16 16
|
|
%fr1 1 %fr17 17
|
|
%fr2 2 %fr18 18
|
|
%fr3 3 %fr19 19
|
|
%fr4 4 %fr20 20
|
|
%fr5 5 %fr21 21
|
|
%fr6 6 %fr22 22
|
|
%fr7 7 %fr23 23
|
|
%fr8 8 %fr24 24
|
|
%fr9 9 %fr25 25
|
|
%fr10 10 %fr26 26
|
|
%fr11 11 %fr27 27
|
|
%fr12 12 %fr28 28
|
|
%fr13 13 %fr29 29
|
|
%fr14 14 %fr30 30
|
|
%fr15 15 %fr31 31
|
|
|
|
Space Registers:
|
|
|
|
Name Value Name Value
|
|
%sr0 0 %sr4 4
|
|
%sr1 1 %sr5 5
|
|
%sr2 2 %sr6 6
|
|
%sr3 3 %sr7 7
|
|
|
|
Control registers and their synonyms:
|
|
|
|
Names Value
|
|
%cr0 %rctr 0
|
|
%cr8 %pidr1 8
|
|
%cr9 %pidr2 9
|
|
%cr10 %ccr 10
|
|
%cr11 %sar 11
|
|
%cr12 %pidr3 12
|
|
%cr13 %pidr4 13
|
|
%cr14 %iva 14
|
|
%cr15 %eiem 15
|
|
%cr16 %itmr 16
|
|
%cr17 %pcsq 17
|
|
%cr18 %pcoq 18
|
|
%cr19 %iir 19
|
|
%cr20 %isr 20
|
|
%cr21 %ior 21
|
|
%cr22 %ipsw 22
|
|
%cr23 %eirr 23
|
|
%cr24 %tr0 %ppda 24
|
|
%cr25 %tr1 %hta 25
|
|
%cr26 %tr2 26
|
|
%cr27 %tr3 27
|
|
%cr28 %tr4 28
|
|
%cr29 %tr5 29
|
|
%cr30 %tr6 30
|
|
%cr31 %tr7 31
|
|
|
|
Miscellaneous registers and their synonyms:
|
|
|
|
Names Value
|
|
%arg0 26
|
|
%arg1 25
|
|
%arg2 24
|
|
%arg3 23
|
|
%sp 30
|
|
%ret0 28
|
|
%ret1 29
|
|
*/
|
|
|
|
/* This table is sorted. Suitable for searching by a binary search. */
|
|
|
|
static struct pd_reg pre_defined_registers[] =
|
|
{
|
|
{"%arg0", 26},
|
|
{"%arg1", 25},
|
|
{"%arg2", 24},
|
|
{"%arg3", 23},
|
|
{"%cr0", 0},
|
|
{"%cr10", 10},
|
|
{"%cr11", 11},
|
|
{"%cr12", 12},
|
|
{"%cr13", 13},
|
|
{"%cr14", 14},
|
|
{"%cr15", 15},
|
|
{"%cr16", 16},
|
|
{"%cr17", 17},
|
|
{"%cr18", 18},
|
|
{"%cr19", 19},
|
|
{"%cr20", 20},
|
|
{"%cr21", 21},
|
|
{"%cr22", 22},
|
|
{"%cr23", 23},
|
|
{"%cr24", 24},
|
|
{"%cr25", 25},
|
|
{"%cr26", 26},
|
|
{"%cr27", 27},
|
|
{"%cr28", 28},
|
|
{"%cr29", 29},
|
|
{"%cr30", 30},
|
|
{"%cr31", 31},
|
|
{"%cr8", 8},
|
|
{"%cr9", 9},
|
|
{"%eiem", 15},
|
|
{"%eirr", 23},
|
|
{"%fr0", 0},
|
|
{"%fr0L", 0},
|
|
{"%fr0R", 0},
|
|
{"%fr1", 1},
|
|
{"%fr10", 10},
|
|
{"%fr10L", 10},
|
|
{"%fr10R", 10},
|
|
{"%fr11", 11},
|
|
{"%fr11L", 11},
|
|
{"%fr11R", 11},
|
|
{"%fr12", 12},
|
|
{"%fr12L", 12},
|
|
{"%fr12R", 12},
|
|
{"%fr13", 13},
|
|
{"%fr13L", 13},
|
|
{"%fr13R", 13},
|
|
{"%fr14", 14},
|
|
{"%fr14L", 14},
|
|
{"%fr14R", 14},
|
|
{"%fr15", 15},
|
|
{"%fr15L", 15},
|
|
{"%fr15R", 15},
|
|
{"%fr16", 16},
|
|
{"%fr16L", 16},
|
|
{"%fr16R", 16},
|
|
{"%fr17", 17},
|
|
{"%fr17L", 17},
|
|
{"%fr17R", 17},
|
|
{"%fr18", 18},
|
|
{"%fr18L", 18},
|
|
{"%fr18R", 18},
|
|
{"%fr19", 19},
|
|
{"%fr19L", 19},
|
|
{"%fr19R", 19},
|
|
{"%fr1L", 1},
|
|
{"%fr1R", 1},
|
|
{"%fr2", 2},
|
|
{"%fr20", 20},
|
|
{"%fr20L", 20},
|
|
{"%fr20R", 20},
|
|
{"%fr21", 21},
|
|
{"%fr21L", 21},
|
|
{"%fr21R", 21},
|
|
{"%fr22", 22},
|
|
{"%fr22L", 22},
|
|
{"%fr22R", 22},
|
|
{"%fr23", 23},
|
|
{"%fr23L", 23},
|
|
{"%fr23R", 23},
|
|
{"%fr24", 24},
|
|
{"%fr24L", 24},
|
|
{"%fr24R", 24},
|
|
{"%fr25", 25},
|
|
{"%fr25L", 25},
|
|
{"%fr25R", 25},
|
|
{"%fr26", 26},
|
|
{"%fr26L", 26},
|
|
{"%fr26R", 26},
|
|
{"%fr27", 27},
|
|
{"%fr27L", 27},
|
|
{"%fr27R", 27},
|
|
{"%fr28", 28},
|
|
{"%fr28L", 28},
|
|
{"%fr28R", 28},
|
|
{"%fr29", 29},
|
|
{"%fr29L", 29},
|
|
{"%fr29R", 29},
|
|
{"%fr2L", 2},
|
|
{"%fr2R", 2},
|
|
{"%fr3", 3},
|
|
{"%fr30", 30},
|
|
{"%fr30L", 30},
|
|
{"%fr30R", 30},
|
|
{"%fr31", 31},
|
|
{"%fr31L", 31},
|
|
{"%fr31R", 31},
|
|
{"%fr3L", 3},
|
|
{"%fr3R", 3},
|
|
{"%fr4", 4},
|
|
{"%fr4L", 4},
|
|
{"%fr4R", 4},
|
|
{"%fr5", 5},
|
|
{"%fr5L", 5},
|
|
{"%fr5R", 5},
|
|
{"%fr6", 6},
|
|
{"%fr6L", 6},
|
|
{"%fr6R", 6},
|
|
{"%fr7", 7},
|
|
{"%fr7L", 7},
|
|
{"%fr7R", 7},
|
|
{"%fr8", 8},
|
|
{"%fr8L", 8},
|
|
{"%fr8R", 8},
|
|
{"%fr9", 9},
|
|
{"%fr9L", 9},
|
|
{"%fr9R", 9},
|
|
{"%hta", 25},
|
|
{"%iir", 19},
|
|
{"%ior", 21},
|
|
{"%ipsw", 22},
|
|
{"%isr", 20},
|
|
{"%itmr", 16},
|
|
{"%iva", 14},
|
|
{"%pcoq", 18},
|
|
{"%pcsq", 17},
|
|
{"%pidr1", 8},
|
|
{"%pidr2", 9},
|
|
{"%pidr3", 12},
|
|
{"%pidr4", 13},
|
|
{"%ppda", 24},
|
|
{"%r0", 0},
|
|
{"%r1", 1},
|
|
{"%r10", 10},
|
|
{"%r11", 11},
|
|
{"%r12", 12},
|
|
{"%r13", 13},
|
|
{"%r14", 14},
|
|
{"%r15", 15},
|
|
{"%r16", 16},
|
|
{"%r17", 17},
|
|
{"%r18", 18},
|
|
{"%r19", 19},
|
|
{"%r2", 2},
|
|
{"%r20", 20},
|
|
{"%r21", 21},
|
|
{"%r22", 22},
|
|
{"%r23", 23},
|
|
{"%r24", 24},
|
|
{"%r25", 25},
|
|
{"%r26", 26},
|
|
{"%r27", 27},
|
|
{"%r28", 28},
|
|
{"%r29", 29},
|
|
{"%r3", 3},
|
|
{"%r30", 30},
|
|
{"%r31", 31},
|
|
{"%r4", 4},
|
|
{"%r4L", 4},
|
|
{"%r4R", 4},
|
|
{"%r5", 5},
|
|
{"%r5L", 5},
|
|
{"%r5R", 5},
|
|
{"%r6", 6},
|
|
{"%r6L", 6},
|
|
{"%r6R", 6},
|
|
{"%r7", 7},
|
|
{"%r7L", 7},
|
|
{"%r7R", 7},
|
|
{"%r8", 8},
|
|
{"%r8L", 8},
|
|
{"%r8R", 8},
|
|
{"%r9", 9},
|
|
{"%r9L", 9},
|
|
{"%r9R", 9},
|
|
{"%rctr", 0},
|
|
{"%ret0", 28},
|
|
{"%ret1", 29},
|
|
{"%sar", 11},
|
|
{"%sp", 30},
|
|
{"%sr0", 0},
|
|
{"%sr1", 1},
|
|
{"%sr2", 2},
|
|
{"%sr3", 3},
|
|
{"%sr4", 4},
|
|
{"%sr5", 5},
|
|
{"%sr6", 6},
|
|
{"%sr7", 7},
|
|
{"%tr0", 24},
|
|
{"%tr1", 25},
|
|
{"%tr2", 26},
|
|
{"%tr3", 27},
|
|
{"%tr4", 28},
|
|
{"%tr5", 29},
|
|
{"%tr6", 30},
|
|
{"%tr7", 31}
|
|
};
|
|
|
|
#define REG_NAME_CNT (sizeof(pre_defined_registers) / sizeof(struct pd_reg))
|
|
|
|
int
|
|
reg_name_search (name)
|
|
char *name;
|
|
{
|
|
int x, l, r;
|
|
|
|
l = 0;
|
|
r = REG_NAME_CNT - 1;
|
|
|
|
do
|
|
{
|
|
x = (l + r) / 2;
|
|
if (strcasecmp (name, pre_defined_registers[x].name) < 0)
|
|
r = x - 1;
|
|
else
|
|
l = x + 1;
|
|
}
|
|
while (!((strcasecmp (name, pre_defined_registers[x].name) == 0) ||
|
|
(l > r)));
|
|
|
|
if (strcasecmp (name, pre_defined_registers[x].name) == 0)
|
|
return (pre_defined_registers[x].value);
|
|
else
|
|
return (-1);
|
|
|
|
}
|
|
|
|
int
|
|
is_pre_defined_register (s)
|
|
char *s;
|
|
{
|
|
if (reg_name_search (s) >= 0)
|
|
return (TRUE);
|
|
else
|
|
return (FALSE);
|
|
}
|
|
|
|
int
|
|
is_R_select (s)
|
|
char *s;
|
|
{
|
|
|
|
if (*s == 'R' || *s == 'r')
|
|
return (TRUE);
|
|
else
|
|
return (FALSE);
|
|
}
|
|
|
|
int
|
|
is_L_select (s)
|
|
char *s;
|
|
{
|
|
|
|
if (*s == 'L' || *s == 'l')
|
|
return (TRUE);
|
|
else
|
|
return (FALSE);
|
|
}
|
|
|
|
int
|
|
need_89_opcode (insn, result)
|
|
struct pa_it *insn;
|
|
struct pa_89_fp_reg_struct *result;
|
|
{
|
|
/* if ( result->L_R_select == 1 || insn->fpof1 == DBL || insn->fpof2 == DBL ) */
|
|
/* if (result->L_R_select == 1 && !(insn->fpof1 == DBL || insn->fpof2 == DBL) ) */
|
|
if (result->L_R_select == 1 && !(insn->fpof1 == DBL && insn->fpof2 == DBL))
|
|
/* if ( insn->fpof1 == DBL || insn->fpof2 == DBL ) */
|
|
return TRUE;
|
|
else
|
|
return FALSE;
|
|
}
|
|
|
|
int
|
|
pa_89_parse_number (s, result)
|
|
char **s;
|
|
struct pa_89_fp_reg_struct *result;
|
|
{
|
|
int num;
|
|
char *name;
|
|
char c;
|
|
symbolS *sym;
|
|
int status;
|
|
char *p = *s;
|
|
|
|
while (*p == ' ' || *p == '\t')
|
|
p = p + 1;
|
|
num = -1; /* assume invalid number to begin with */
|
|
result->number_part = -1;
|
|
result->L_R_select = -1;
|
|
|
|
if (isdigit (*p))
|
|
{
|
|
num = 0; /* now we know it is a number */
|
|
|
|
if (*p == '0' && (*(p + 1) == 'x' || *(p + 1) == 'X'))
|
|
{ /* hex input */
|
|
p = p + 2;
|
|
while (isdigit (*p) || ((*p >= 'a') && (*p <= 'f'))
|
|
|| ((*p >= 'A') && (*p <= 'F')))
|
|
{
|
|
if (isdigit (*p))
|
|
num = num * 16 + *p - '0';
|
|
else if (*p >= 'a' && *p <= 'f')
|
|
num = num * 16 + *p - 'a' + 10;
|
|
else
|
|
num = num * 16 + *p - 'A' + 10;
|
|
++p;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
while (isdigit (*p))
|
|
{
|
|
num = num * 10 + *p - '0';
|
|
++p;
|
|
}
|
|
}
|
|
|
|
result->number_part = num;
|
|
|
|
if (is_R_select (p))
|
|
{
|
|
result->L_R_select = 1;
|
|
++p;
|
|
}
|
|
else if (is_L_select (p))
|
|
{
|
|
result->L_R_select = 0;
|
|
++p;
|
|
}
|
|
else
|
|
result->L_R_select = 0;
|
|
|
|
}
|
|
else if (*p == '%')
|
|
{ /* could be a pre-defined register */
|
|
num = 0;
|
|
name = p;
|
|
p++;
|
|
c = *p;
|
|
/* tege hack: Special case for general registers
|
|
as the general code makes a binary search with case translation,
|
|
and is VERY slow. */
|
|
if (c == 'r')
|
|
{
|
|
p++;
|
|
if (*p == 'e' && *(p + 1) == 't' && (*(p + 2) == '0' || *(p + 2) == '1'))
|
|
{
|
|
p += 2;
|
|
num = *p - '0' + 28; /* r28 is ret0 */
|
|
p++;
|
|
}
|
|
else if (!isdigit (*p))
|
|
as_bad ("Undefined register: '%s'. ASSUMING 0", name);
|
|
else
|
|
{
|
|
do
|
|
num = num * 10 + *p++ - '0';
|
|
while (isdigit (*p));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
while (is_part_of_name (c))
|
|
{
|
|
p = p + 1;
|
|
c = *p;
|
|
}
|
|
*p = 0;
|
|
status = reg_name_search (name);
|
|
if (status >= 0)
|
|
num = status;
|
|
else
|
|
{
|
|
if (print_errors)
|
|
as_bad ("Undefined register: '%s'. ASSUMING 0", name);
|
|
else
|
|
num = -1;
|
|
}
|
|
*p = c;
|
|
}
|
|
|
|
result->number_part = num;
|
|
|
|
if (is_R_select (p - 1))
|
|
result->L_R_select = 1;
|
|
else if (is_L_select (p - 1))
|
|
result->L_R_select = 0;
|
|
else
|
|
result->L_R_select = 0;
|
|
|
|
}
|
|
else
|
|
{
|
|
num = 0;
|
|
name = p;
|
|
c = *p;
|
|
while (is_part_of_name (c))
|
|
{
|
|
p = p + 1;
|
|
c = *p;
|
|
}
|
|
*p = 0;
|
|
if ((sym = symbol_find (name)) != NULL)
|
|
{
|
|
#ifdef OBJ_SOM
|
|
if (sym->pa_sy_type == ST_ABSOLUTE)
|
|
{
|
|
num = sym->pa_sy_value;
|
|
#else
|
|
if (S_GET_SEGMENT (sym) == &bfd_abs_section)
|
|
{
|
|
num = S_GET_VALUE (sym);
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
if (print_errors)
|
|
as_bad ("Non-absolute constant: '%s'. ASSUMING 0", name);
|
|
else
|
|
num = -1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (print_errors)
|
|
as_bad ("Undefined absolute constant: '%s'. ASSUMING 0", name);
|
|
else
|
|
num = -1;
|
|
}
|
|
*p = c;
|
|
result->number_part = num;
|
|
|
|
if (is_R_select (p - 1))
|
|
result->L_R_select = 1;
|
|
else if (is_L_select (p - 1))
|
|
result->L_R_select = 0;
|
|
else
|
|
result->L_R_select = 0;
|
|
|
|
}
|
|
|
|
*s = p;
|
|
return num;
|
|
|
|
}
|
|
|
|
int
|
|
pa_parse_fp_cmp_cond (s)
|
|
char **s;
|
|
{
|
|
int cond, i;
|
|
struct possibleS
|
|
{
|
|
char *string;
|
|
int cond;
|
|
};
|
|
|
|
/*
|
|
This table is sorted by order of the length of the string. This is so we
|
|
check for <> before we check for <. If we had a <> and checked for < first,
|
|
we would get a false match.
|
|
*/
|
|
static struct possibleS poss[] =
|
|
{
|
|
{"false?", 0},
|
|
{"false", 1},
|
|
{"true?", 30},
|
|
{"true", 31},
|
|
{"!<=>", 3},
|
|
{"!?>=", 8},
|
|
{"!?<=", 16},
|
|
{"!<>", 7},
|
|
{"!>=", 11},
|
|
{"!?>", 12},
|
|
{"?<=", 14},
|
|
{"!<=", 19},
|
|
{"!?<", 20},
|
|
{"?>=", 22},
|
|
{"!?=", 24},
|
|
{"!=t", 27},
|
|
{"<=>", 29},
|
|
{"=t", 5},
|
|
{"?=", 6},
|
|
{"?<", 10},
|
|
{"<=", 13},
|
|
{"!>", 15},
|
|
{"?>", 18},
|
|
{">=", 21},
|
|
{"!<", 23},
|
|
{"<>", 25},
|
|
{"!=", 26},
|
|
{"!?", 28},
|
|
{"?", 2},
|
|
{"=", 4},
|
|
{"<", 9},
|
|
{">", 17}
|
|
};
|
|
|
|
cond = 0;
|
|
|
|
for (i = 0; i < 32; i++)
|
|
{
|
|
if (strncasecmp (*s, poss[i].string, strlen (poss[i].string)) == 0)
|
|
{
|
|
cond = poss[i].cond;
|
|
*s += strlen (poss[i].string);
|
|
while (**s == ' ' || **s == '\t')
|
|
*s = *s + 1;
|
|
return cond;
|
|
}
|
|
}
|
|
|
|
as_bad ("Illegal FP Compare Condition: %c", **s);
|
|
return 0;
|
|
}
|
|
|
|
FP_Operand_Format
|
|
pa_parse_fp_format (s)
|
|
char **s;
|
|
{
|
|
int f;
|
|
|
|
f = SGL;
|
|
if (**s == ',')
|
|
{
|
|
*s += 1;
|
|
if (strncasecmp (*s, "sgl", 3) == 0)
|
|
{
|
|
f = SGL;
|
|
*s += 4;
|
|
}
|
|
else if (strncasecmp (*s, "dbl", 3) == 0)
|
|
{
|
|
f = DBL;
|
|
*s += 4;
|
|
}
|
|
else if (strncasecmp (*s, "quad", 4) == 0)
|
|
{
|
|
f = QUAD;
|
|
*s += 5;
|
|
}
|
|
else
|
|
{
|
|
f = ILLEGAL_FMT;
|
|
as_bad ("Unrecognized FP Operand Format: %3s", *s);
|
|
}
|
|
}
|
|
while (**s == ' ' || **s == '\t' || **s == 0)
|
|
*s = *s + 1;
|
|
|
|
return f;
|
|
}
|
|
|
|
#if defined(OBJ_ELF)
|
|
int
|
|
pa_chk_field_selector (str)
|
|
char **str;
|
|
{
|
|
int selector;
|
|
struct selector_entry
|
|
{
|
|
char *prefix;
|
|
int field_selector;
|
|
};
|
|
static struct selector_entry selector_table[] =
|
|
{
|
|
{"F'", e_fsel},
|
|
{"F%", e_fsel},
|
|
{"LS'", e_lssel},
|
|
{"LS%", e_lssel},
|
|
{"RS'", e_rssel},
|
|
{"RS%", e_rssel},
|
|
{"L'", e_lsel},
|
|
{"L%", e_lsel},
|
|
{"R'", e_rsel},
|
|
{"R%", e_rsel},
|
|
{"LD'", e_ldsel},
|
|
{"LD%", e_ldsel},
|
|
{"RD'", e_rdsel},
|
|
{"RD%", e_rdsel},
|
|
{"LR'", e_lrsel},
|
|
{"LR%", e_lrsel},
|
|
{"RR'", e_rrsel},
|
|
{"RR%", e_rrsel},
|
|
{"P'", e_psel},
|
|
{"P%", e_psel},
|
|
{"RP'", e_rpsel},
|
|
{"RP%", e_rpsel},
|
|
{"LP'", e_lpsel},
|
|
{"LP%", e_lpsel},
|
|
{"T'", e_tsel},
|
|
{"T%", e_tsel},
|
|
{"RT'", e_rtsel},
|
|
{"RT%", e_rtsel},
|
|
{"LT'", e_ltsel},
|
|
{"LT%", e_ltsel},
|
|
{NULL, e_fsel}
|
|
};
|
|
struct selector_entry *tableP;
|
|
|
|
selector = e_fsel;
|
|
|
|
while (**str == ' ' || **str == '\t' || **str == '\n' || **str == '\f')
|
|
{
|
|
*str = *str + 1;
|
|
}
|
|
for (tableP = selector_table; tableP->prefix; tableP++)
|
|
{
|
|
if (strncasecmp (tableP->prefix, *str, strlen (tableP->prefix)) == 0)
|
|
{
|
|
*str += strlen (tableP->prefix);
|
|
selector = tableP->field_selector;
|
|
break;
|
|
}
|
|
}
|
|
return selector;
|
|
}
|
|
|
|
int
|
|
getExpression (str)
|
|
char *str;
|
|
{
|
|
char *save_in;
|
|
asection *seg;
|
|
|
|
save_in = input_line_pointer;
|
|
input_line_pointer = str;
|
|
seg = expression (&the_insn.exp);
|
|
|
|
if (!(seg == &bfd_abs_section
|
|
|| seg == &bfd_und_section
|
|
|| seg == text_section
|
|
|| seg == data_section
|
|
|| seg == bss_section
|
|
|| seg == diff_section
|
|
|| seg == big_section
|
|
|| seg == absent_section))
|
|
{
|
|
the_insn.error = "bad segment";
|
|
expr_end = input_line_pointer;
|
|
input_line_pointer = save_in;
|
|
return 1;
|
|
}
|
|
expr_end = input_line_pointer;
|
|
input_line_pointer = save_in;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
getAbsoluteExpression (str)
|
|
char *str;
|
|
{
|
|
char *save_in;
|
|
asection *seg;
|
|
|
|
save_in = input_line_pointer;
|
|
input_line_pointer = str;
|
|
seg = expression (&the_insn.exp);
|
|
|
|
if (seg != &bfd_abs_section)
|
|
{
|
|
the_insn.error = "segment should be ABSOLUTE";
|
|
expr_end = input_line_pointer;
|
|
input_line_pointer = save_in;
|
|
return 1;
|
|
}
|
|
expr_end = input_line_pointer;
|
|
input_line_pointer = save_in;
|
|
return 0;
|
|
}
|
|
|
|
#else
|
|
int
|
|
getExpression (str)
|
|
char *str;
|
|
{
|
|
char *save_in;
|
|
segT seg;
|
|
|
|
save_in = input_line_pointer;
|
|
input_line_pointer = str;
|
|
switch (seg = expression (&the_insn.exp))
|
|
{
|
|
|
|
case SEG_ABSOLUTE:
|
|
case SEG_TEXT:
|
|
case SEG_DATA:
|
|
case SEG_BSS:
|
|
case SEG_UNKNOWN:
|
|
case SEG_DIFFERENCE:
|
|
case SEG_BIG:
|
|
case SEG_GDB:
|
|
case SEG_MILLICODE:
|
|
case SEG_NONE:
|
|
break;
|
|
|
|
default:
|
|
the_insn.error = "illegal segment";
|
|
expr_end = input_line_pointer;
|
|
input_line_pointer = save_in;
|
|
return 1;
|
|
}
|
|
expr_end = input_line_pointer;
|
|
input_line_pointer = save_in;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
getAbsoluteExpression (str)
|
|
char *str;
|
|
{
|
|
char *save_in;
|
|
segT seg;
|
|
|
|
save_in = input_line_pointer;
|
|
input_line_pointer = str;
|
|
switch (seg = expression (&the_insn.exp))
|
|
{
|
|
|
|
case SEG_ABSOLUTE:
|
|
break;
|
|
|
|
default:
|
|
the_insn.error = "segment should be ABSOLUTE";
|
|
expr_end = input_line_pointer;
|
|
input_line_pointer = save_in;
|
|
return 1;
|
|
}
|
|
expr_end = input_line_pointer;
|
|
input_line_pointer = save_in;
|
|
return 0;
|
|
}
|
|
|
|
#endif
|
|
|
|
int
|
|
evaluateAbsolute (exp, field_selector)
|
|
expressionS exp;
|
|
int field_selector;
|
|
{
|
|
int value;
|
|
|
|
value = exp.X_add_number;
|
|
|
|
if (exp.X_add_symbol)
|
|
{
|
|
value += S_GET_VALUE (exp.X_add_symbol);
|
|
}
|
|
if (exp.X_subtract_symbol)
|
|
{
|
|
value -= S_GET_VALUE (exp.X_subtract_symbol);
|
|
}
|
|
|
|
switch (field_selector)
|
|
{
|
|
case e_fsel: /* F : no change */
|
|
break;
|
|
|
|
case e_lssel: /* LS : if (bit 21) then add 0x800
|
|
arithmetic shift right 11 bits */
|
|
if (value & 0x00000400)
|
|
value += 0x800;
|
|
value = (value & 0xfffff800) >> 11;
|
|
break;
|
|
|
|
case e_rssel: /* RS : Sign extend from bit 21 */
|
|
if (value & 0x00000400)
|
|
value |= 0xfffff800;
|
|
else
|
|
value &= 0x7ff;
|
|
break;
|
|
|
|
case e_lsel: /* L : Arithmetic shift right 11 bits */
|
|
value = (value & 0xfffff800) >> 11;
|
|
break;
|
|
|
|
case e_rsel: /* R : Set bits 0-20 to zero */
|
|
value = value & 0x7ff;
|
|
break;
|
|
|
|
case e_ldsel: /* LD : Add 0x800, arithmetic shift
|
|
right 11 bits */
|
|
value += 0x800;
|
|
value = (value & 0xfffff800) >> 11;
|
|
break;
|
|
|
|
case e_rdsel: /* RD : Set bits 0-20 to one */
|
|
value |= 0xfffff800;
|
|
break;
|
|
|
|
case e_lrsel: /* LR : L with "rounded" constant */
|
|
/* XXX: this isn't right. Need to add a "rounded" constant */
|
|
/* XXX: (presumably from X_add_number) */
|
|
value = (value & 0xfffff800) >> 11;
|
|
break;
|
|
|
|
case e_rrsel: /* RR : R with "rounded" constant */
|
|
/* XXX: this isn't right. Need to add a "rounded" constant */
|
|
/* XXX: (presumably from X_add_number) */
|
|
value = value & 0x7ff;
|
|
break;
|
|
|
|
default:
|
|
BAD_CASE (field_selector);
|
|
break;
|
|
}
|
|
return value;
|
|
}
|
|
|
|
int
|
|
pa_build_arg_reloc (type_name)
|
|
char *type_name;
|
|
{
|
|
|
|
if (strncasecmp (type_name, "no", 2) == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
if (strncasecmp (type_name, "gr", 2) == 0)
|
|
{
|
|
return 1;
|
|
}
|
|
else if (strncasecmp (type_name, "fr", 2) == 0)
|
|
{
|
|
return 2;
|
|
}
|
|
else if (strncasecmp (type_name, "fu", 2) == 0)
|
|
{
|
|
return 3;
|
|
}
|
|
else
|
|
as_bad ("Unrecognized argument location: %s\n", type_name);
|
|
|
|
return 0;
|
|
}
|
|
|
|
unsigned int
|
|
pa_align_arg_reloc (reg, arg_reloc)
|
|
unsigned int reg;
|
|
unsigned int arg_reloc;
|
|
{
|
|
unsigned int new_reloc;
|
|
|
|
new_reloc = arg_reloc;
|
|
switch (reg)
|
|
{
|
|
case 0:
|
|
new_reloc <<= 8;
|
|
break;
|
|
case 1:
|
|
new_reloc <<= 6;
|
|
break;
|
|
case 2:
|
|
new_reloc <<= 4;
|
|
break;
|
|
case 3:
|
|
new_reloc <<= 2;
|
|
break;
|
|
default:
|
|
as_bad ("Illegal argument description: %d", reg);
|
|
}
|
|
|
|
return new_reloc;
|
|
}
|
|
|
|
int
|
|
pa_parse_nullif (s)
|
|
char **s;
|
|
{
|
|
int nullif;
|
|
|
|
nullif = 0;
|
|
if (**s == ',')
|
|
{
|
|
*s = *s + 1;
|
|
if (strncasecmp (*s, "n", 1) == 0)
|
|
nullif = 1;
|
|
else
|
|
{
|
|
as_bad ("Unrecognized Nullification: (%c)", **s);
|
|
nullif = 0;
|
|
}
|
|
*s = *s + 1;
|
|
}
|
|
while (**s == ' ' || **s == '\t')
|
|
*s = *s + 1;
|
|
|
|
return nullif;
|
|
}
|
|
|
|
#if 0
|
|
int
|
|
pa_parse_nonneg_cmpsub_cmpltr (s)
|
|
char **s;
|
|
{
|
|
int cmpltr;
|
|
char *name;
|
|
char c;
|
|
|
|
cmpltr = -1;
|
|
/** cmpltr = 0; **/
|
|
if (**s == ',')
|
|
{
|
|
*s += 1;
|
|
name = *s;
|
|
while (**s != ',' && **s != ' ' && **s != '\t')
|
|
*s += 1;
|
|
c = **s;
|
|
**s = 0x00;
|
|
if (strcmp (name, "=") == 0)
|
|
{
|
|
cmpltr = 1;
|
|
}
|
|
else if (strcmp (name, "<") == 0)
|
|
{
|
|
cmpltr = 2;
|
|
}
|
|
else if (strcmp (name, "<=") == 0)
|
|
{
|
|
cmpltr = 3;
|
|
}
|
|
else if (strcmp (name, "<<") == 0)
|
|
{
|
|
cmpltr = 4;
|
|
}
|
|
else if (strcmp (name, "<<=") == 0)
|
|
{
|
|
cmpltr = 5;
|
|
}
|
|
else if (strcasecmp (name, "sv") == 0)
|
|
{
|
|
cmpltr = 6;
|
|
}
|
|
else if (strcasecmp (name, "od") == 0)
|
|
{
|
|
cmpltr = 7;
|
|
}
|
|
/**
|
|
else
|
|
cmpltr = -1;
|
|
**/
|
|
**s = c;
|
|
}
|
|
if (cmpltr >= 0)
|
|
{
|
|
while (**s == ' ' || **s == '\t')
|
|
*s = *s + 1;
|
|
}
|
|
|
|
return cmpltr;
|
|
}
|
|
|
|
#endif
|
|
int
|
|
pa_parse_nonneg_cmpsub_cmpltr (s)
|
|
char **s;
|
|
{
|
|
int cmpltr;
|
|
char *name;
|
|
char c;
|
|
|
|
cmpltr = 0;
|
|
if (**s == ',')
|
|
{
|
|
*s += 1;
|
|
name = *s;
|
|
while (**s != ',' && **s != ' ' && **s != '\t')
|
|
*s += 1;
|
|
c = **s;
|
|
**s = 0x00;
|
|
if (strcmp (name, "=") == 0)
|
|
{
|
|
cmpltr = 1;
|
|
}
|
|
else if (strcmp (name, "<") == 0)
|
|
{
|
|
cmpltr = 2;
|
|
}
|
|
else if (strcmp (name, "<=") == 0)
|
|
{
|
|
cmpltr = 3;
|
|
}
|
|
else if (strcmp (name, "<<") == 0)
|
|
{
|
|
cmpltr = 4;
|
|
}
|
|
else if (strcmp (name, "<<=") == 0)
|
|
{
|
|
cmpltr = 5;
|
|
}
|
|
else if (strcasecmp (name, "sv") == 0)
|
|
{
|
|
cmpltr = 6;
|
|
}
|
|
else if (strcasecmp (name, "od") == 0)
|
|
{
|
|
cmpltr = 7;
|
|
}
|
|
else
|
|
cmpltr = -1;
|
|
**s = c;
|
|
}
|
|
if (cmpltr >= 0)
|
|
{
|
|
while (**s == ' ' || **s == '\t')
|
|
*s = *s + 1;
|
|
}
|
|
|
|
return cmpltr;
|
|
}
|
|
|
|
int
|
|
pa_parse_neg_cmpsub_cmpltr (s)
|
|
char **s;
|
|
{
|
|
int cmpltr;
|
|
char *name;
|
|
char c;
|
|
|
|
cmpltr = -1;
|
|
if (**s == ',')
|
|
{
|
|
*s += 1;
|
|
name = *s;
|
|
while (**s != ',' && **s != ' ' && **s != '\t')
|
|
*s += 1;
|
|
c = **s;
|
|
**s = 0x00;
|
|
if (strcasecmp (name, "tr") == 0)
|
|
{
|
|
cmpltr = 0;
|
|
}
|
|
else if (strcmp (name, "<>") == 0)
|
|
{
|
|
cmpltr = 1;
|
|
}
|
|
else if (strcmp (name, ">=") == 0)
|
|
{
|
|
cmpltr = 2;
|
|
}
|
|
else if (strcmp (name, ">") == 0)
|
|
{
|
|
cmpltr = 3;
|
|
}
|
|
else if (strcmp (name, ">>=") == 0)
|
|
{
|
|
cmpltr = 4;
|
|
}
|
|
else if (strcmp (name, ">>") == 0)
|
|
{
|
|
cmpltr = 5;
|
|
}
|
|
else if (strcasecmp (name, "nsv") == 0)
|
|
{
|
|
cmpltr = 6;
|
|
}
|
|
else if (strcasecmp (name, "ev") == 0)
|
|
{
|
|
cmpltr = 7;
|
|
}
|
|
**s = c;
|
|
}
|
|
if (cmpltr >= 0)
|
|
{
|
|
while (**s == ' ' || **s == '\t')
|
|
*s = *s + 1;
|
|
}
|
|
|
|
return cmpltr;
|
|
}
|
|
|
|
int
|
|
pa_parse_nonneg_add_cmpltr (s)
|
|
char **s;
|
|
{
|
|
int cmpltr;
|
|
char *name;
|
|
char c;
|
|
|
|
cmpltr = -1;
|
|
if (**s == ',')
|
|
{
|
|
*s += 1;
|
|
name = *s;
|
|
while (**s != ',' && **s != ' ' && **s != '\t')
|
|
*s += 1;
|
|
c = **s;
|
|
**s = 0x00;
|
|
if (strcmp (name, "=") == 0)
|
|
{
|
|
cmpltr = 1;
|
|
}
|
|
else if (strcmp (name, "<") == 0)
|
|
{
|
|
cmpltr = 2;
|
|
}
|
|
else if (strcmp (name, "<=") == 0)
|
|
{
|
|
cmpltr = 3;
|
|
}
|
|
else if (strcasecmp (name, "nuv") == 0)
|
|
{
|
|
cmpltr = 4;
|
|
}
|
|
else if (strcasecmp (name, "znv") == 0)
|
|
{
|
|
cmpltr = 5;
|
|
}
|
|
else if (strcasecmp (name, "sv") == 0)
|
|
{
|
|
cmpltr = 6;
|
|
}
|
|
else if (strcasecmp (name, "od") == 0)
|
|
{
|
|
cmpltr = 7;
|
|
}
|
|
**s = c;
|
|
}
|
|
if (cmpltr >= 0)
|
|
{
|
|
while (**s == ' ' || **s == '\t')
|
|
*s = *s + 1;
|
|
}
|
|
|
|
return cmpltr;
|
|
}
|
|
|
|
int
|
|
pa_parse_neg_add_cmpltr (s)
|
|
char **s;
|
|
{
|
|
int cmpltr;
|
|
char *name;
|
|
char c;
|
|
|
|
cmpltr = -1;
|
|
if (**s == ',')
|
|
{
|
|
*s += 1;
|
|
name = *s;
|
|
while (**s != ',' && **s != ' ' && **s != '\t')
|
|
*s += 1;
|
|
c = **s;
|
|
**s = 0x00;
|
|
if (strcasecmp (name, "tr") == 0)
|
|
{
|
|
cmpltr = 0;
|
|
}
|
|
else if (strcmp (name, "<>") == 0)
|
|
{
|
|
cmpltr = 1;
|
|
}
|
|
else if (strcmp (name, ">=") == 0)
|
|
{
|
|
cmpltr = 2;
|
|
}
|
|
else if (strcmp (name, ">") == 0)
|
|
{
|
|
cmpltr = 3;
|
|
}
|
|
else if (strcmp (name, "uv") == 0)
|
|
{
|
|
cmpltr = 4;
|
|
}
|
|
else if (strcmp (name, "vnz") == 0)
|
|
{
|
|
cmpltr = 5;
|
|
}
|
|
else if (strcasecmp (name, "nsv") == 0)
|
|
{
|
|
cmpltr = 6;
|
|
}
|
|
else if (strcasecmp (name, "ev") == 0)
|
|
{
|
|
cmpltr = 7;
|
|
}
|
|
**s = c;
|
|
}
|
|
if (cmpltr >= 0)
|
|
{
|
|
while (**s == ' ' || **s == '\t')
|
|
*s = *s + 1;
|
|
}
|
|
|
|
return cmpltr;
|
|
}
|
|
|
|
void
|
|
s_seg ()
|
|
{
|
|
|
|
if (strncmp (input_line_pointer, "\"text\"", 6) == 0)
|
|
{
|
|
input_line_pointer += 6;
|
|
s_text ();
|
|
return;
|
|
}
|
|
if (strncmp (input_line_pointer, "\"data\"", 6) == 0)
|
|
{
|
|
input_line_pointer += 6;
|
|
s_data ();
|
|
return;
|
|
}
|
|
if (strncmp (input_line_pointer, "\"data1\"", 7) == 0)
|
|
{
|
|
input_line_pointer += 7;
|
|
s_data1 ();
|
|
return;
|
|
}
|
|
as_bad ("Unknown segment type");
|
|
demand_empty_rest_of_line ();
|
|
return;
|
|
}
|
|
|
|
void
|
|
s_private ()
|
|
{
|
|
register int temp;
|
|
|
|
temp = get_absolute_expression ();
|
|
#ifdef OBJ_SOM
|
|
subseg_new (SEG_DATA, (subsegT) temp);
|
|
#else
|
|
subseg_new (".data", (subsegT) temp);
|
|
#endif
|
|
demand_empty_rest_of_line ();
|
|
}
|
|
|
|
void
|
|
s_data1 ()
|
|
{
|
|
#ifdef OBJ_SOM
|
|
subseg_new (SEG_DATA, 1);
|
|
#else
|
|
subseg_new (".data", 1);
|
|
#endif
|
|
demand_empty_rest_of_line ();
|
|
return;
|
|
}
|
|
|
|
void
|
|
s_proc ()
|
|
{
|
|
extern char is_end_of_line[];
|
|
|
|
while (!is_end_of_line[*input_line_pointer])
|
|
{
|
|
++input_line_pointer;
|
|
}
|
|
++input_line_pointer;
|
|
return;
|
|
}
|
|
|
|
void
|
|
pa_block (z)
|
|
int z;
|
|
{
|
|
register char *p;
|
|
register long int temp_fill;
|
|
register long int temp_size;
|
|
register int i;
|
|
|
|
temp_size = get_absolute_expression ();
|
|
|
|
if (z)
|
|
{ /* fill with zeroes even if not requested to do so. */
|
|
temp_fill = 0; /* HP assembler does this too. */
|
|
}
|
|
else
|
|
{
|
|
temp_fill = 0;
|
|
}
|
|
|
|
if (temp_size <= 0)
|
|
{
|
|
as_bad ("size < 0, .block ignored");
|
|
temp_size = 0;
|
|
}
|
|
p = frag_var (rs_fill,
|
|
(int) temp_size,
|
|
(int) temp_size, (relax_substateT) 0, (symbolS *) 0, 1, (char *) 0);
|
|
bzero (p, (int) temp_size);
|
|
|
|
/* convert 2 bytes at a time */
|
|
|
|
for (i = 0; i < temp_size; i += 2)
|
|
{
|
|
md_number_to_chars (p + i,
|
|
temp_fill,
|
|
(int) ((temp_size - i) > 2 ? 2 : (temp_size - i)));
|
|
}
|
|
|
|
pa_undefine_label ();
|
|
demand_empty_rest_of_line ();
|
|
return;
|
|
}
|
|
|
|
void
|
|
pa_call ()
|
|
{
|
|
|
|
pa_call_args (&last_call_desc);
|
|
demand_empty_rest_of_line ();
|
|
return;
|
|
}
|
|
|
|
void
|
|
pa_call_args (call_desc)
|
|
register call_descS *call_desc;
|
|
{
|
|
register char *name;
|
|
register char c;
|
|
register char *p;
|
|
register int temp;
|
|
register unsigned int arg_reloc;
|
|
|
|
while (!is_end_of_statement ())
|
|
{
|
|
name = input_line_pointer;
|
|
c = get_symbol_end ();
|
|
if ((strncasecmp (name, "argw", 4) == 0))
|
|
{
|
|
temp = atoi (name + 4);
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
input_line_pointer++;
|
|
name = input_line_pointer;
|
|
c = get_symbol_end ();
|
|
arg_reloc = pa_build_arg_reloc (name);
|
|
call_desc->arg_reloc |= pa_align_arg_reloc (temp, arg_reloc);
|
|
}
|
|
else if ((strncasecmp (name, "rtnval", 6) == 0))
|
|
{
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
input_line_pointer++;
|
|
name = input_line_pointer;
|
|
c = get_symbol_end ();
|
|
arg_reloc = pa_build_arg_reloc (name);
|
|
call_desc->arg_reloc |= (arg_reloc & 0x3);
|
|
}
|
|
else
|
|
{
|
|
as_bad ("Unrecognized .CALL argument: %s", name);
|
|
}
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
if (!is_end_of_statement ())
|
|
input_line_pointer++;
|
|
}
|
|
}
|
|
|
|
static int
|
|
is_same_frag (frag1P, frag2P)
|
|
fragS *frag1P;
|
|
fragS *frag2P;
|
|
{
|
|
|
|
if (frag1P == NULL)
|
|
return (FALSE);
|
|
else if (frag2P == NULL)
|
|
return (FALSE);
|
|
else if (frag1P == frag2P)
|
|
return (TRUE);
|
|
else if (frag2P->fr_type == rs_fill && frag2P->fr_fix == 0)
|
|
is_same_frag (frag1P, frag2P->fr_next);
|
|
else
|
|
return (FALSE);
|
|
}
|
|
|
|
#ifdef OBJ_ELF
|
|
static void
|
|
pa_build_unwind_subspace (call_info)
|
|
call_infoS *call_info;
|
|
{
|
|
char *unwindP;
|
|
asection *seg;
|
|
asection *save_seg;
|
|
subsegT subseg, save_subseg;
|
|
int i;
|
|
char c;
|
|
char *p;
|
|
|
|
subseg = SUBSEG_UNWIND;
|
|
seg = bfd_get_section_by_name (stdoutput, UNWIND_SECTION_NAME);
|
|
if (seg == ASEC_NULL)
|
|
{
|
|
seg = bfd_make_section_old_way (stdoutput, UNWIND_SECTION_NAME);
|
|
}
|
|
bfd_set_section_flags (stdoutput,
|
|
seg,
|
|
SEC_READONLY | SEC_ALLOC | SEC_LOAD | SEC_RELOC);
|
|
|
|
/* callinfo.frame is in bytes and unwind_desc is in 8 byte units */
|
|
call_info->ci_unwind.descriptor.frame_size = call_info->frame / 8;
|
|
|
|
/* Now, dump the unwind descriptor to the $UNWIND$ subspace. This
|
|
creates a couple of relocations */
|
|
|
|
save_seg = now_seg;
|
|
save_subseg = now_subseg;
|
|
subseg_new ((char *) seg->name, subseg);
|
|
unwindP = (char *) &call_info->ci_unwind;
|
|
|
|
p = frag_more (4);
|
|
call_info->start_offset_frag = frag_now;
|
|
call_info->start_frag_where = p - frag_now->fr_literal;
|
|
|
|
/* relocation info. for start offset of the function */
|
|
|
|
fix_new_hppa (frag_now, p - frag_now->fr_literal, 4,
|
|
call_info->start_symbol, (symbolS *) NULL,
|
|
0, 0, R_HPPA, e_fsel, 32, 0, (char *) 0);
|
|
|
|
/** we need to search for the first relocation involving the start_symbol of **/
|
|
/** this call_info descriptor **/
|
|
|
|
{
|
|
fixS *fixP;
|
|
|
|
call_info->start_fix = seg_info (now_seg)->fix_root; /* the default */
|
|
for (fixP = call_info->start_fix; fixP; fixP = fixP->fx_next)
|
|
{
|
|
if (fixP->fx_addsy == call_info->start_symbol
|
|
|| fixP->fx_subsy == call_info->start_symbol)
|
|
{
|
|
call_info->start_fix = fixP;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
p = frag_more (4);
|
|
call_info->end_offset_frag = frag_now;
|
|
call_info->end_frag_where = p - frag_now->fr_literal;
|
|
|
|
/* relocation info. for end offset of the function */
|
|
|
|
fix_new_hppa (frag_now, p - frag_now->fr_literal, 4,
|
|
call_info->end_symbol, (symbolS *) NULL,
|
|
0, 0, R_HPPA, e_fsel, 32, 0, (char *) 0);
|
|
|
|
/** we need to search for the first relocation involving the start_symbol of **/
|
|
/** this call_info descriptor **/
|
|
|
|
{
|
|
fixS *fixP;
|
|
|
|
call_info->end_fix = seg_info (now_seg)->fix_root; /* the default */
|
|
for (fixP = call_info->end_fix; fixP; fixP = fixP->fx_next)
|
|
{
|
|
if (fixP->fx_addsy == call_info->end_symbol
|
|
|| fixP->fx_subsy == call_info->end_symbol)
|
|
{
|
|
call_info->end_fix = fixP;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
for (i = 8; i < sizeof (unwind_tableS); i++)
|
|
{
|
|
c = *(unwindP + i);
|
|
{
|
|
FRAG_APPEND_1_CHAR (c);
|
|
}
|
|
}
|
|
|
|
subseg_new ((char *) save_seg->name, save_subseg);
|
|
}
|
|
|
|
#else
|
|
#ifdef OBJ_SOM
|
|
static void
|
|
pa_build_unwind_subspace (call_info)
|
|
call_infoS *call_info;
|
|
{
|
|
space_dict_chainS *spaceP;
|
|
subspace_dict_chainS *subspaceP;
|
|
char *unwindP;
|
|
char defined, loadable, code_only, common, dup_common, is_zero, sort;
|
|
int access, space_index, alignment, quadrant;
|
|
segT seg, save_seg;
|
|
subsegT subseg, save_subseg;
|
|
int i;
|
|
char c;
|
|
char *p;
|
|
|
|
defined = 1;
|
|
loadable = 1;
|
|
code_only = 0;
|
|
common = 0;
|
|
dup_common = 0;
|
|
is_zero = 0;
|
|
sort = 0x40;
|
|
access = 0x2c;
|
|
space_index = 0;
|
|
alignment = 8;
|
|
quadrant = 0;
|
|
subseg = SUBSEG_UNWIND;
|
|
seg = SEG_TEXT;
|
|
|
|
spaceP = pa_segment_to_space (seg);
|
|
|
|
if ((subspaceP = is_defined_subspace ("$UNWIND$", SUBSEG_UNWIND)))
|
|
{
|
|
update_subspace ("$UNWIND$", defined, loadable, code_only, common, dup_common,
|
|
sort, is_zero, access, space_index, alignment, quadrant,
|
|
SUBSEG_UNWIND);
|
|
}
|
|
else
|
|
{
|
|
subspaceP = create_new_subspace (spaceP, "$UNWIND$", defined, loadable, code_only,
|
|
common, dup_common, is_zero, sort, access,
|
|
space_index, alignment, quadrant, seg);
|
|
}
|
|
|
|
|
|
/* callinfo.frame is in bytes and unwind_desc is in 8 byte units */
|
|
call_info->ci_unwind.descriptor.frame_size = call_info->frame / 8;
|
|
|
|
/* Now, dump the unwind descriptor to the $UNWIND$ subspace. This
|
|
creates a couple of relocations */
|
|
|
|
save_seg = now_seg;
|
|
save_subseg = now_subseg;
|
|
subseg_new (seg, subseg);
|
|
unwindP = (char *) &call_info->ci_unwind;
|
|
|
|
p = frag_more (4);
|
|
call_info->start_offset_frag = frag_now;
|
|
call_info->start_frag_where = p - frag_now->fr_literal;
|
|
|
|
/* relocation info. for start offset of the function */
|
|
|
|
fix_new (frag_now, p - frag_now->fr_literal, 4,
|
|
call_info->start_symbol, (symbolS *) NULL,
|
|
0, 0, R_DATA_ONE_SYMBOL, e_fsel, 0, 0, (char *) 0);
|
|
|
|
/** we need to search for the first relocation involving the start_symbol of **/
|
|
/** this call_info descriptor **/
|
|
|
|
{
|
|
fixS *fixP;
|
|
|
|
call_info->start_fix = seg_info (now_seg)->fix_root; /* the default */
|
|
for (fixP = call_info->start_fix; fixP; fixP = fixP->fx_next)
|
|
{
|
|
/*
|
|
if ( ( fixP->fx_addsy == call_info->start_symbol ||
|
|
fixP->fx_subsy == call_info->start_symbol )
|
|
&&
|
|
( fixP->fx_frag == call_info->start_symbol->sy_frag ) ) {
|
|
*/
|
|
if ((fixP->fx_addsy == call_info->start_symbol ||
|
|
fixP->fx_subsy == call_info->start_symbol)
|
|
&&
|
|
(is_same_frag (fixP->fx_frag, call_info->start_symbol->sy_frag)))
|
|
{
|
|
call_info->start_fix = fixP;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
p = frag_more (4);
|
|
call_info->end_offset_frag = frag_now;
|
|
call_info->end_frag_where = p - frag_now->fr_literal;
|
|
|
|
/* relocation info. for end offset of the function */
|
|
|
|
fix_new (frag_now, p - frag_now->fr_literal, 4,
|
|
call_info->start_symbol, (symbolS *) NULL,
|
|
0, 0, R_DATA_ONE_SYMBOL, e_fsel, 0, 0, (char *) 0);
|
|
|
|
/** we need to search for the first relocation involving the start_symbol of **/
|
|
/** this call_info descriptor **/
|
|
|
|
{
|
|
fixS *fixP;
|
|
|
|
call_info->end_fix = seg_info (now_seg)->fix_root; /* the default */
|
|
for (fixP = call_info->end_fix; fixP; fixP = fixP->fx_next)
|
|
{
|
|
/*
|
|
if ( ( fixP->fx_addsy == call_info->start_symbol ||
|
|
fixP->fx_subsy == call_info->start_symbol )
|
|
&&
|
|
( fixP->fx_frag == call_info->start_symbol->sy_frag ) ) {
|
|
*/
|
|
if ((fixP->fx_addsy == call_info->start_symbol ||
|
|
fixP->fx_subsy == call_info->start_symbol)
|
|
&&
|
|
(is_same_frag (fixP->fx_frag, call_info->start_symbol->sy_frag)))
|
|
{
|
|
call_info->end_fix = fixP;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
for (i = 8; i < sizeof (unwind_tableS); i++)
|
|
{
|
|
c = *(unwindP + i);
|
|
{
|
|
FRAG_APPEND_1_CHAR (c);
|
|
}
|
|
}
|
|
|
|
subseg_new (save_seg, save_subseg);
|
|
|
|
}
|
|
|
|
#endif
|
|
#endif
|
|
|
|
void
|
|
pa_callinfo ()
|
|
{
|
|
register char *name;
|
|
register char c;
|
|
register char *p;
|
|
register int temp;
|
|
register symbolS *symbolP;
|
|
|
|
if (!within_procedure)
|
|
as_bad (".callinfo is not within a procedure definition");
|
|
|
|
callinfo_found = TRUE;
|
|
|
|
while (!is_end_of_statement ())
|
|
{
|
|
name = input_line_pointer;
|
|
c = get_symbol_end ();
|
|
if ((strncasecmp (name, "frame", 5) == 0))
|
|
{
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
input_line_pointer++;
|
|
temp = get_absolute_expression ();
|
|
if ((temp & 0x3) != 0)
|
|
{
|
|
as_bad ("FRAME parameter must be a multiple of 8: %d\n", temp);
|
|
temp = 0;
|
|
}
|
|
last_call_info->frame = temp;
|
|
}
|
|
else if ((strncasecmp (name, "entry_gr", 8) == 0))
|
|
{
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
input_line_pointer++;
|
|
temp = get_absolute_expression ();
|
|
last_call_info->ci_unwind.descriptor.entry_gr = temp;
|
|
}
|
|
else if ((strncasecmp (name, "entry_fr", 8) == 0))
|
|
{
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
input_line_pointer++;
|
|
temp = get_absolute_expression ();
|
|
last_call_info->ci_unwind.descriptor.entry_fr = temp;
|
|
}
|
|
else if ((strncasecmp (name, "entry_sr", 8) == 0))
|
|
{
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
input_line_pointer++;
|
|
temp = get_absolute_expression ();
|
|
last_call_info->entry_sr = temp;
|
|
}
|
|
else if ((strncasecmp (name, "calls", 5) == 0) ||
|
|
(strncasecmp (name, "caller", 6) == 0))
|
|
{
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
last_call_info->makes_calls = 1;
|
|
}
|
|
else if ((strncasecmp (name, "no_calls", 8) == 0))
|
|
{
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
last_call_info->makes_calls = 0;
|
|
}
|
|
else if ((strncasecmp (name, "save_rp", 7) == 0))
|
|
{
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
last_call_info->ci_unwind.descriptor.save_rp = 1;
|
|
}
|
|
else if ((strncasecmp (name, "save_sp", 7) == 0))
|
|
{
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
last_call_info->ci_unwind.descriptor.save_sp = 1;
|
|
}
|
|
else if ((strncasecmp (name, "no_unwind", 9) == 0))
|
|
{
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
last_call_info->ci_unwind.descriptor.cannot_unwind = 1;
|
|
}
|
|
else if ((strncasecmp (name, "hpux_int", 7) == 0))
|
|
{
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
last_call_info->hpux_int = 1;
|
|
}
|
|
else
|
|
{
|
|
as_bad ("Unrecognized .CALLINFO argument: %s", name);
|
|
}
|
|
if (!is_end_of_statement ())
|
|
input_line_pointer++;
|
|
}
|
|
|
|
demand_empty_rest_of_line ();
|
|
return;
|
|
}
|
|
|
|
void
|
|
pa_code ()
|
|
{
|
|
space_dict_chainS *sdchain;
|
|
|
|
if ((sdchain = is_defined_space ("$TEXT$")) == NULL)
|
|
{
|
|
sdchain = create_new_space (pa_def_spaces[0].name, pa_def_spaces[0].spnum,
|
|
pa_def_spaces[0].loadable, pa_def_spaces[0].defined,
|
|
pa_def_spaces[0].private, pa_def_spaces[0].sort,
|
|
1, pa_def_spaces[0].segment);
|
|
}
|
|
|
|
SPACE_DEFINED (sdchain) = 1;
|
|
#ifdef OBJ_SOM
|
|
|
|
subseg_new (SEG_TEXT, SUBSEG_CODE);
|
|
#else
|
|
|
|
subseg_new (".text", SUBSEG_CODE);
|
|
#endif
|
|
|
|
demand_empty_rest_of_line ();
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* This is different than the standard GAS s_comm(). On HP9000/800 machines,
|
|
* the .comm pseudo-op has the following symtax:
|
|
*
|
|
* <label> .comm <length>
|
|
*
|
|
* where <label> is optional and is a symbol whose address will be the start of
|
|
* a block of memory <length> bytes long. <length> must be an absolute expressio
|
|
n.
|
|
* <length> bytes will be allocated in the current space and subspace.
|
|
*
|
|
*/
|
|
|
|
void
|
|
pa_comm ()
|
|
{
|
|
register char *p;
|
|
register int size, i;
|
|
register symbolS *symbolP;
|
|
register label_symbolS *label_symbolP = pa_get_label ();
|
|
|
|
if (label_symbolP)
|
|
symbolP = label_symbolP->lss_label;
|
|
else
|
|
symbolP = NULL;
|
|
|
|
SKIP_WHITESPACE ();
|
|
if ((size = get_absolute_expression ()) < 0)
|
|
{
|
|
as_warn (".COMMon length (%d.) <0! Ignored.", size);
|
|
ignore_rest_of_line ();
|
|
return;
|
|
}
|
|
|
|
if (symbolP)
|
|
{
|
|
#ifdef OBJ_SOM
|
|
if (symbolP->pa_sy_type == ST_STORAGE &&
|
|
symbolP->pa_sy_scope == SS_UNSAT)
|
|
{
|
|
if (symbolP->pa_sy_value != size)
|
|
{
|
|
as_warn ("Length of .comm \"%s\" is already %d. Not changed to %d.",
|
|
symbolP->pa_sy_name, symbolP->pa_sy_value, size);
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
symbolP->pa_sy_value = size;
|
|
symbolP->pa_sy_scope = SS_UNSAT;
|
|
symbolP->pa_sy_type = ST_STORAGE;
|
|
symbolP->sy_ref = sym_def;
|
|
}
|
|
#endif
|
|
#ifdef OBJ_ELF
|
|
if (S_IS_DEFINED (symbolP) && S_GET_SEGMENT (symbolP) == bss_section)
|
|
{
|
|
as_bad ("Ignoring attempt to re-define symbol");
|
|
ignore_rest_of_line ();
|
|
return;
|
|
}
|
|
if (S_GET_VALUE (symbolP))
|
|
{
|
|
if (S_GET_VALUE (symbolP) != size)
|
|
{
|
|
as_warn ("Length of .comm \"%s\" is already %d. Not changed to %d.",
|
|
S_GET_NAME (symbolP), S_GET_VALUE (symbolP), size);
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
S_SET_VALUE (symbolP, size);
|
|
S_SET_SEGMENT (symbolP, bss_section);
|
|
S_SET_EXTERNAL (symbolP);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
demand_empty_rest_of_line ();
|
|
}
|
|
|
|
void
|
|
pa_copyright ()
|
|
{
|
|
register char *name;
|
|
register char c;
|
|
register char *p;
|
|
register int temp;
|
|
register symbolS *symbolP;
|
|
|
|
SKIP_WHITESPACE ();
|
|
if (*input_line_pointer == '\"')
|
|
{
|
|
++input_line_pointer; /* -> 1st char of string. */
|
|
name = input_line_pointer;
|
|
while ((c = next_char_of_string ()) >= 0)
|
|
;
|
|
c = *input_line_pointer;
|
|
*input_line_pointer = '\0';
|
|
*(input_line_pointer - 1) = '\0';
|
|
{
|
|
#ifdef OBJ_SOM
|
|
#define PREFIX "Copyright "
|
|
#define MIDFIX ". All rights reserved. No part of this program may be photocopied, reproduced, or transmitted without prior written consent of "
|
|
#define SUFFIX "."
|
|
|
|
struct aux_hdr_list *aux_hdr_entry;
|
|
int len;
|
|
char *company_name = name;
|
|
char *date_part;
|
|
|
|
date_part = (char *) index (name, ',');
|
|
if (date_part)
|
|
{
|
|
*date_part = 0x00;
|
|
date_part++;
|
|
}
|
|
|
|
len =
|
|
strlen (PREFIX) +
|
|
strlen (MIDFIX) +
|
|
strlen (SUFFIX) +
|
|
2 * strlen (name);
|
|
|
|
if (date_part)
|
|
{
|
|
len += strlen (date_part) + strlen (",");
|
|
}
|
|
|
|
aux_hdr_entry = (struct aux_hdr_list *) malloc (sizeof (struct aux_hdr_list));
|
|
if (aux_hdr_root)
|
|
{
|
|
aux_hdr_entry->ahl_next = aux_hdr_root;
|
|
aux_hdr_root = aux_hdr_entry;
|
|
}
|
|
else
|
|
{
|
|
aux_hdr_entry->ahl_next = NULL;
|
|
aux_hdr_root = aux_hdr_entry;
|
|
}
|
|
aux_hdr_entry->type = COPYRIGHT_AUX_ID;
|
|
aux_hdr_entry->contents.cpy.header_id.append = 1;
|
|
aux_hdr_entry->contents.cpy.header_id.type = COPYRIGHT_AUX_ID;
|
|
aux_hdr_entry->contents.cpy.header_id.length = len + sizeof (unsigned int);
|
|
while (aux_hdr_entry->contents.usr_str.header_id.length % 4)
|
|
aux_hdr_entry->contents.usr_str.header_id.length += 1;
|
|
|
|
aux_hdr_entry->contents.cpy.string_length = len;
|
|
aux_hdr_entry->contents.cpy.copyright = (char *) (malloc (len + 1));
|
|
strcpy (aux_hdr_entry->contents.cpy.copyright, PREFIX);
|
|
strcat (aux_hdr_entry->contents.cpy.copyright, name);
|
|
if (date_part)
|
|
{
|
|
strcat (aux_hdr_entry->contents.cpy.copyright, ",");
|
|
strcat (aux_hdr_entry->contents.cpy.copyright, date_part);
|
|
}
|
|
strcat (aux_hdr_entry->contents.cpy.copyright, MIDFIX);
|
|
strcat (aux_hdr_entry->contents.cpy.copyright, name);
|
|
strcat (aux_hdr_entry->contents.cpy.copyright, SUFFIX);
|
|
aux_hdr_entry->contents.cpy.copyright[len] = NULL;
|
|
#undef PREFIX
|
|
#undef MIDFIX
|
|
#undef SUFFIX
|
|
#endif /* OBJ_SOM */
|
|
}
|
|
*input_line_pointer = c;
|
|
}
|
|
else
|
|
{
|
|
as_bad ("Expected \"-ed string");
|
|
}
|
|
pa_undefine_label ();
|
|
demand_empty_rest_of_line ();
|
|
}
|
|
|
|
void
|
|
pa_end ()
|
|
{
|
|
|
|
demand_empty_rest_of_line ();
|
|
return;
|
|
}
|
|
|
|
void
|
|
pa_enter ()
|
|
{
|
|
|
|
as_bad (".ENTER encountered. gas doesn't generate entry code sequences.");
|
|
pa_entry ();
|
|
return;
|
|
}
|
|
|
|
void
|
|
pa_entry ()
|
|
{
|
|
char *where;
|
|
|
|
if (!within_procedure)
|
|
as_bad ("Misplaced .entry. Ignored.");
|
|
else
|
|
{
|
|
if (!callinfo_found)
|
|
as_bad ("Missing .callinfo.");
|
|
|
|
last_call_info->start_frag = frag_now;
|
|
}
|
|
demand_empty_rest_of_line ();
|
|
within_entry_exit = TRUE;
|
|
where = frag_more (0);
|
|
#ifdef OBJ_SOM
|
|
fix_new (frag_now, where - frag_now->fr_literal, 0,
|
|
last_call_info->start_symbol, (symbolS *) NULL, 0, 0,
|
|
R_ENTRY, e_fsel, 0, 0, (char *) &last_call_info->ci_unwind.descriptor);
|
|
#else
|
|
#ifdef OBJ_ELF
|
|
/* XXX: no ENTRY relocation for PA ELF. What do we do instead? */
|
|
#else
|
|
fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
|
|
last_call_info->start_symbol, (symbolS *) NULL, 0, 0,
|
|
R_HPPA_ENTRY, 0, 0, 0,
|
|
(char *) &last_call_info->ci_unwind.descriptor);
|
|
#endif
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
void
|
|
pa_equ (reg)
|
|
int reg;
|
|
{
|
|
register label_symbolS *label_symbolP = pa_get_label ();
|
|
register symbolS *symbolP;
|
|
|
|
if (label_symbolP)
|
|
{
|
|
symbolP = label_symbolP->lss_label;
|
|
#ifdef OBJ_SOM
|
|
symbolP->pa_sy_value = get_absolute_expression ();
|
|
symbolP->pa_sy_type = ST_ABSOLUTE;
|
|
symbolP->sy_ref = sym_unref;
|
|
symbolP->sy_equ = 1;
|
|
#else
|
|
S_SET_VALUE (symbolP, get_absolute_expression ());
|
|
S_SET_SEGMENT (symbolP, &bfd_abs_section);
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
if (reg)
|
|
as_bad (".REG must use a label");
|
|
else
|
|
as_bad (".EQU must use a label");
|
|
}
|
|
|
|
pa_undefine_label ();
|
|
demand_empty_rest_of_line ();
|
|
return;
|
|
}
|
|
|
|
void
|
|
process_exit ()
|
|
{
|
|
char *where;
|
|
|
|
where = frag_more (0);
|
|
#ifdef OBJ_SOM
|
|
fix_new (frag_now, where - frag_now->fr_literal, 0,
|
|
last_call_info->start_symbol, (symbolS *) NULL, 0,
|
|
0, R_EXIT, e_fsel, 0, 0, (char *) NULL);
|
|
#endif
|
|
#ifdef OBJ_ELF
|
|
/* XXX: no EXIT relocation for PA ELF. All we do is create a */
|
|
/* temporary symbol marking the end of the function. */
|
|
{
|
|
char *name = (char *) xmalloc (strlen ("L\001end_") +
|
|
strlen (S_GET_NAME (last_call_info->start_symbol)) + 1);
|
|
|
|
if (name)
|
|
{
|
|
symbolS *symbolP;
|
|
|
|
strcpy (name, "L\001end_");
|
|
strcat (name, S_GET_NAME (last_call_info->start_symbol));
|
|
|
|
symbolP = symbol_find (name);
|
|
if (symbolP)
|
|
as_warn ("Symbol '%s' already defined.", name);
|
|
else
|
|
{
|
|
/* symbol value should be the offset of the */
|
|
/* last instruction of the function */
|
|
symbolP = symbol_new (name,
|
|
now_seg,
|
|
(valueT) (obstack_next_free (&frags) - frag_now->fr_literal - 4),
|
|
frag_now);
|
|
|
|
assert (symbolP);
|
|
|
|
symbolP->bsym->flags = last_call_info->start_symbol->bsym->flags;
|
|
symbol_table_insert (symbolP);
|
|
}
|
|
if (symbolP)
|
|
last_call_info->end_symbol = symbolP;
|
|
else
|
|
as_bad ("Symbol '%s' could not be created.", name);
|
|
|
|
}
|
|
else
|
|
as_bad ("No memory for symbol name.");
|
|
}
|
|
#else
|
|
fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
|
|
last_call_info->start_symbol, (symbolS *) NULL, 0,
|
|
0, R_HPPA_EXIT, 0, 0, 0, (char *) NULL);
|
|
#endif
|
|
last_call_info->end_frag = frag_now;
|
|
|
|
pa_build_unwind_subspace (last_call_info);
|
|
|
|
exit_processing_complete = TRUE;
|
|
}
|
|
|
|
void
|
|
pa_exit ()
|
|
{
|
|
|
|
if (!within_procedure)
|
|
as_bad (".EXIT must appear within a procedure");
|
|
else
|
|
{
|
|
if (!callinfo_found)
|
|
as_bad ("Missing .callinfo");
|
|
else
|
|
{
|
|
if (!within_entry_exit)
|
|
as_bad ("No .ENTRY for this .EXIT");
|
|
else
|
|
{
|
|
within_entry_exit = FALSE;
|
|
process_exit ();
|
|
}
|
|
}
|
|
}
|
|
demand_empty_rest_of_line ();
|
|
return;
|
|
}
|
|
|
|
void
|
|
pa_export ()
|
|
{
|
|
register char *name;
|
|
register char c;
|
|
register char *p;
|
|
register int temp;
|
|
register int regno;
|
|
register symbolS *symbolP;
|
|
|
|
name = input_line_pointer;
|
|
c = get_symbol_end ();
|
|
/* just after name is now '\0' */
|
|
|
|
if ((symbolP = symbol_find_or_make (name)) == NULL)
|
|
{
|
|
as_bad ("Cannot define export symbol: %s\n", name);
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
input_line_pointer++;
|
|
}
|
|
else
|
|
{
|
|
#ifdef OBJ_SOM
|
|
symbolP->pa_sy_dict.symbol_scope = SS_UNIVERSAL;
|
|
/* determination of the symbol_type field will have to wait until
|
|
we know the subspace index (within the object file) of the subspace
|
|
containing this symbol */
|
|
#else
|
|
/* S_SET_SEGMENT(symbolP,&bfd_und_section); */
|
|
S_SET_EXTERNAL (symbolP);
|
|
/* symbolP->sy_frag = frag_now; */
|
|
#endif
|
|
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
if (!is_end_of_statement ())
|
|
{
|
|
input_line_pointer++;
|
|
pa_export_args (symbolP);
|
|
}
|
|
}
|
|
|
|
demand_empty_rest_of_line ();
|
|
return;
|
|
}
|
|
|
|
void
|
|
pa_export_args (symbolP)
|
|
register symbolS *symbolP;
|
|
{
|
|
register char *name;
|
|
register char c;
|
|
register char *p;
|
|
register int temp;
|
|
register unsigned int arg_reloc;
|
|
#ifdef OBJ_ELF
|
|
elf_symbol_type *esymbolP = (elf_symbol_type *) (symbolP->bsym);
|
|
#endif
|
|
|
|
if (strncasecmp (input_line_pointer, "absolute", 8) == 0)
|
|
{
|
|
input_line_pointer += 8;
|
|
#ifdef OBJ_SOM
|
|
symbolP->pa_sy_dict.symbol_type = ST_ABSOLUTE;
|
|
#else
|
|
S_SET_SEGMENT (symbolP, &bfd_abs_section);
|
|
#endif
|
|
}
|
|
else if (strncasecmp (input_line_pointer, "code", 4) == 0)
|
|
{
|
|
input_line_pointer += 4;
|
|
#ifdef OBJ_SOM
|
|
symbolP->pa_sy_dict.symbol_type = ST_CODE;
|
|
#else
|
|
/* S_SET_SEGMENT(symbolP,text_section); */
|
|
#endif
|
|
}
|
|
else if (strncasecmp (input_line_pointer, "data", 4) == 0)
|
|
{
|
|
input_line_pointer += 4;
|
|
#ifdef OBJ_SOM
|
|
symbolP->pa_sy_dict.symbol_type = ST_DATA;
|
|
#else
|
|
/* S_SET_SEGMENT(symbolP,data_section); */
|
|
#endif
|
|
}
|
|
else if ((strncasecmp (input_line_pointer, "entry", 5) == 0))
|
|
{
|
|
input_line_pointer += 5;
|
|
#ifdef OBJ_SOM
|
|
symbolP->pa_sy_dict.symbol_type = ST_ENTRY;
|
|
#else
|
|
symbolP->bsym->flags |= BSF_FUNCTION;
|
|
#endif
|
|
}
|
|
else if (strncasecmp (input_line_pointer, "millicode", 9) == 0)
|
|
{
|
|
input_line_pointer += 9;
|
|
#ifdef OBJ_SOM
|
|
symbolP->pa_sy_dict.symbol_type = ST_MILLICODE;
|
|
#endif
|
|
}
|
|
else if (strncasecmp (input_line_pointer, "plabel", 6) == 0)
|
|
{
|
|
input_line_pointer += 6;
|
|
#ifdef OBJ_SOM
|
|
symbolP->pa_sy_dict.symbol_type = ST_PLABEL;
|
|
#endif
|
|
}
|
|
else if (strncasecmp (input_line_pointer, "pri_prog", 8) == 0)
|
|
{
|
|
input_line_pointer += 8;
|
|
#ifdef OBJ_SOM
|
|
symbolP->pa_sy_dict.symbol_type = ST_PRI_PROG;
|
|
#endif
|
|
}
|
|
else if (strncasecmp (input_line_pointer, "sec_prog", 8) == 0)
|
|
{
|
|
input_line_pointer += 8;
|
|
#ifdef OBJ_SOM
|
|
symbolP->pa_sy_dict.symbol_type = ST_SEC_PROG;
|
|
#endif
|
|
}
|
|
|
|
while (!is_end_of_statement ())
|
|
{
|
|
if (*input_line_pointer == ',')
|
|
input_line_pointer++;
|
|
name = input_line_pointer;
|
|
c = get_symbol_end ();
|
|
if ((strncasecmp (name, "argw", 4) == 0))
|
|
{
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
input_line_pointer++;
|
|
temp = atoi (name + 4);
|
|
name = input_line_pointer;
|
|
c = get_symbol_end ();
|
|
arg_reloc = pa_align_arg_reloc (temp, pa_build_arg_reloc (name));
|
|
#ifdef OBJ_SOM
|
|
symbolP->pa_sy_dict.arg_reloc |= arg_reloc;
|
|
#else
|
|
esymbolP->tc_data.hppa_arg_reloc |= arg_reloc;
|
|
#endif
|
|
*input_line_pointer = c;
|
|
}
|
|
else if ((strncasecmp (name, "rtnval", 6)) == 0)
|
|
{
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
input_line_pointer++;
|
|
name = input_line_pointer;
|
|
c = get_symbol_end ();
|
|
arg_reloc = pa_build_arg_reloc (name);
|
|
#ifdef OBJ_SOM
|
|
symbolP->pa_sy_dict.arg_reloc |= arg_reloc;
|
|
#else
|
|
esymbolP->tc_data.hppa_arg_reloc |= arg_reloc;
|
|
#endif
|
|
*input_line_pointer = c;
|
|
}
|
|
else if ((strncasecmp (name, "priv_lev", 8)) == 0)
|
|
{
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
input_line_pointer++;
|
|
/*** temp = get_absolute_expression (); ***/
|
|
temp = atoi (input_line_pointer);
|
|
c = get_symbol_end ();
|
|
*input_line_pointer = c;
|
|
#ifdef OBJ_SOM
|
|
symbolP->sy_priv_lev = temp & 3; /* this is stored in symbol_value later */
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
as_bad ("Undefined .EXPORT/.IMPORT argument (ignored): %s", name);
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
}
|
|
if (!is_end_of_statement ())
|
|
input_line_pointer++;
|
|
}
|
|
}
|
|
|
|
void
|
|
pa_import ()
|
|
{
|
|
register char *name;
|
|
register char c;
|
|
register char *p;
|
|
register symbolS *symbolP;
|
|
register expressionS resultP; /* Deliver result here. */
|
|
|
|
name = input_line_pointer;
|
|
c = get_symbol_end ();
|
|
/* just after name is now '\0' */
|
|
|
|
symbolP = symbol_find_or_make (name);
|
|
#if defined(OBJ_ELF)
|
|
/* symbolP->bsym->flags |= BSF_IMPORT; *//* XXX BSF_IMPORT is obsolete */
|
|
#else
|
|
/* Check to see if this symbol has already been exported (this means its */
|
|
/* defined locally and the import statement is redundant). */
|
|
/* If it has not been exported, go ahead and mark this symbol as SS_UNSAT */
|
|
/* (an unsatisfied external symbol) */
|
|
|
|
/* But, if the symbol has already been referenced (sy_ref == TRUE),
|
|
leave it alone. */
|
|
|
|
if (!symbolP->sy_ref)
|
|
{
|
|
if (symbolP->pa_sy_dict.symbol_scope != SS_UNIVERSAL)
|
|
{
|
|
symbolP->pa_sy_dict.symbol_scope = SS_UNSAT;
|
|
symbolP->sy_ref = FALSE;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
|
|
if (!is_end_of_statement ())
|
|
{
|
|
input_line_pointer++;
|
|
|
|
pa_export_args (symbolP);
|
|
#ifdef OBJ_ELF
|
|
/* In ELF, since this is an import, leave the section undefined. */
|
|
/* S_SET_SEGMENT(symbolP,&bfd_und_section); */
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
#ifdef OBJ_SOM
|
|
/* no further arguments, assign a default type according
|
|
to the current subspace (CODE or DATA) */
|
|
switch (now_seg)
|
|
{
|
|
case SEG_TEXT:
|
|
symbolP->pa_sy_dict.symbol_type = ST_CODE;
|
|
break;
|
|
case SEG_ABSOLUTE:
|
|
symbolP->pa_sy_dict.symbol_type = ST_ABSOLUTE;
|
|
break;
|
|
default:
|
|
symbolP->pa_sy_dict.symbol_type = ST_DATA;
|
|
}
|
|
#else
|
|
/* In ELF, if the section is undefined, then the symbol is undefined */
|
|
/* Since this is an import, leave the section undefined. */
|
|
S_SET_SEGMENT (symbolP, &bfd_und_section);
|
|
#endif
|
|
}
|
|
|
|
|
|
demand_empty_rest_of_line ();
|
|
return;
|
|
}
|
|
|
|
void
|
|
pa_label ()
|
|
{
|
|
register char *name;
|
|
register char c;
|
|
register char *p;
|
|
|
|
name = input_line_pointer;
|
|
c = get_symbol_end ();
|
|
/* just after name is now '\0' */
|
|
|
|
if (strlen (name) > 0)
|
|
{
|
|
colon (name);
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
}
|
|
else
|
|
{
|
|
as_warn ("Missing label name on .LABEL");
|
|
}
|
|
|
|
if (!is_end_of_statement ())
|
|
{
|
|
as_warn ("extra .LABEL arguments ignored.");
|
|
ignore_rest_of_line ();
|
|
}
|
|
demand_empty_rest_of_line ();
|
|
return;
|
|
}
|
|
|
|
void
|
|
pa_leave ()
|
|
{
|
|
|
|
as_bad (".LEAVE encountered. gas doesn't generate exit code sequences.");
|
|
pa_exit ();
|
|
return;
|
|
}
|
|
|
|
void
|
|
pa_origin ()
|
|
{
|
|
s_org (); /* ORG actually allows another argument (the fill value)
|
|
but maybe this is OK? */
|
|
pa_undefine_label ();
|
|
return;
|
|
}
|
|
|
|
void
|
|
pa_proc ()
|
|
{
|
|
call_infoS *call_info;
|
|
|
|
if (within_procedure)
|
|
as_fatal ("Nested procedures");
|
|
|
|
callinfo_found = FALSE;
|
|
within_procedure = TRUE;
|
|
exit_processing_complete = FALSE;
|
|
|
|
/* create another call_info structure */
|
|
|
|
call_info = (call_infoS *) xmalloc (sizeof (call_infoS));
|
|
|
|
if (!call_info)
|
|
as_fatal ("Cannot allocate unwind descriptor\n");
|
|
|
|
bzero (call_info, sizeof (call_infoS));
|
|
|
|
call_info->ci_next = NULL;
|
|
|
|
if (call_info_root == NULL)
|
|
{
|
|
call_info_root = call_info;
|
|
last_call_info = call_info;
|
|
}
|
|
else
|
|
{
|
|
last_call_info->ci_next = call_info;
|
|
last_call_info = call_info;
|
|
}
|
|
|
|
/* set up defaults on call_info structure */
|
|
|
|
call_info->ci_unwind.descriptor.cannot_unwind = 0;
|
|
call_info->ci_unwind.descriptor.region_desc = 1;
|
|
call_info->entry_sr = ~0;
|
|
call_info->makes_calls = 1;
|
|
call_info->hpux_int = 0;
|
|
|
|
/* If we got a .PROC pseudo-op, we know that the function is defined
|
|
locally. Make sure it gets into the symbol table */
|
|
{
|
|
label_symbolS *label_symbolP = pa_get_label ();
|
|
|
|
if (label_symbolP)
|
|
{
|
|
if (label_symbolP->lss_label)
|
|
{
|
|
#ifdef OBJ_SOM
|
|
label_symbolP->lss_label->sy_ref |= sym_def;
|
|
#endif
|
|
last_call_info->start_symbol = label_symbolP->lss_label;
|
|
label_symbolP->lss_label->bsym->flags |= BSF_FUNCTION;
|
|
}
|
|
else
|
|
as_bad ("Missing function name for .PROC (corrupted label)");
|
|
}
|
|
else
|
|
as_bad ("Missing function name for .PROC");
|
|
}
|
|
|
|
demand_empty_rest_of_line ();
|
|
return;
|
|
}
|
|
|
|
void
|
|
pa_procend ()
|
|
{
|
|
|
|
if (!within_procedure)
|
|
as_bad ("misplaced .procend");
|
|
|
|
if (!callinfo_found)
|
|
as_bad ("Missing .callinfo for this procedure");
|
|
|
|
if (within_entry_exit)
|
|
as_bad ("Missing .EXIT for a .ENTRY");
|
|
|
|
if (!exit_processing_complete)
|
|
process_exit ();
|
|
|
|
within_procedure = FALSE;
|
|
demand_empty_rest_of_line ();
|
|
return;
|
|
}
|
|
|
|
space_dict_chainS *
|
|
pa_parse_space_stmt (space_name, create_flag)
|
|
char *space_name;
|
|
int create_flag;
|
|
{
|
|
register char *name;
|
|
register char c;
|
|
register char *p;
|
|
register int temp;
|
|
|
|
char *ptemp;
|
|
int spnum;
|
|
char loadable;
|
|
char defined;
|
|
char private;
|
|
char sort;
|
|
#ifdef OBJ_SOM
|
|
segT seg;
|
|
#else
|
|
asection *seg;
|
|
#endif
|
|
space_dict_chainS *space;
|
|
|
|
/* load default values */
|
|
spnum = 0;
|
|
loadable = TRUE;
|
|
defined = TRUE;
|
|
private = FALSE;
|
|
if (strcasecmp (space_name, "$TEXT$") == 0)
|
|
{
|
|
#ifdef OBJ_SOM
|
|
seg = SEG_TEXT;
|
|
#else
|
|
seg = text_section;
|
|
#endif
|
|
sort = 8;
|
|
}
|
|
else
|
|
{
|
|
#ifdef OBJ_SOM
|
|
seg = SEG_DATA;
|
|
#else
|
|
seg = data_section;
|
|
#endif
|
|
sort = 16;
|
|
}
|
|
|
|
if (!is_end_of_statement ())
|
|
{
|
|
print_errors = FALSE;
|
|
ptemp = input_line_pointer + 1;
|
|
if ((temp = pa_parse_number (&ptemp)) >= 0)
|
|
{
|
|
spnum = temp;
|
|
input_line_pointer = ptemp;
|
|
}
|
|
else
|
|
{
|
|
while (!is_end_of_statement ())
|
|
{
|
|
input_line_pointer++;
|
|
name = input_line_pointer;
|
|
c = get_symbol_end ();
|
|
if ((strncasecmp (name, "SPNUM", 5) == 0))
|
|
{
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
input_line_pointer++;
|
|
temp = get_absolute_expression ();
|
|
spnum = temp;
|
|
}
|
|
else if ((strncasecmp (name, "SORT", 4) == 0))
|
|
{
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
input_line_pointer++;
|
|
temp = get_absolute_expression ();
|
|
sort = temp;
|
|
}
|
|
else if ((strncasecmp (name, "UNLOADABLE", 10) == 0))
|
|
{
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
loadable = FALSE;
|
|
}
|
|
else if ((strncasecmp (name, "NOTDEFINED", 10) == 0))
|
|
{
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
defined = FALSE;
|
|
}
|
|
else if ((strncasecmp (name, "PRIVATE", 7) == 0))
|
|
{
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
private = TRUE;
|
|
}
|
|
else
|
|
{
|
|
as_bad ("Unrecognized .SPACE argument");
|
|
p = input_line_pointer;
|
|
*p = c;
|
|
}
|
|
}
|
|
}
|
|
print_errors = TRUE;
|
|
}
|
|
if (create_flag)
|
|
space = create_new_space (space_name, spnum, loadable, defined, private, sort, 1, seg);
|
|
else
|
|
{ /* if no creation of new space, this must be the first */
|
|
/* occurrence of a built-in space */
|
|
space = is_defined_space (space_name);
|
|
SPACE_SPNUM (space) = spnum;
|
|
SPACE_LOADABLE (space) = loadable & 1;
|
|
SPACE_DEFINED (space) = defined & 1;
|
|
SPACE_PRIVATE (space) = private & 1;
|
|
SPACE_SORT (space) = sort & 0xff;
|
|
space->sd_defined = 1;
|
|
space->sd_seg = seg;
|
|
}
|
|
return space;
|
|
}
|
|
|
|
void
|
|
pa_align_subseg (seg, subseg)
|
|
#ifdef OBJ_SOM
|
|
segT seg;
|
|
#else
|
|
asection *seg;
|
|
#endif
|
|
subsegT subseg;
|
|
{
|
|
subspace_dict_chainS *now_subspace;
|
|
int alignment;
|
|
int shift;
|
|
|
|
now_subspace = pa_subsegment_to_subspace (seg, subseg);
|
|
if (SUBSPACE_ALIGN (now_subspace) == 0)
|
|
alignment = now_subspace->ssd_last_align;
|
|
else if (now_subspace->ssd_last_align > SUBSPACE_ALIGN (now_subspace))
|
|
alignment = now_subspace->ssd_last_align;
|
|
else
|
|
alignment = SUBSPACE_ALIGN (now_subspace);
|
|
|
|
shift = 0;
|
|
while ((1 << shift) < alignment)
|
|
shift++;
|
|
|
|
frag_align (shift, 0);
|
|
}
|
|
|
|
void
|
|
pa_space ()
|
|
{
|
|
register char *name;
|
|
register char c;
|
|
register char *p;
|
|
register int temp;
|
|
register symbolS *symbolP;
|
|
register space_dict_chainS *sd_chain;
|
|
char space_name[40];
|
|
|
|
if (within_procedure)
|
|
{
|
|
as_bad ("Can\'t change spaces within a procedure definition. Ignored");
|
|
ignore_rest_of_line ();
|
|
}
|
|
else
|
|
{
|
|
if (strncasecmp (input_line_pointer, "$text$", 6) == 0)
|
|
{
|
|
input_line_pointer += 6;
|
|
sd_chain = is_defined_space ("$TEXT$");
|
|
if (sd_chain == NULL)
|
|
sd_chain = pa_parse_space_stmt ("$TEXT$", 1);
|
|
else if (sd_chain->sd_defined == 0)
|
|
sd_chain = pa_parse_space_stmt ("$TEXT$", 0);
|
|
|
|
current_space = sd_chain;
|
|
SPACE_DEFINED (current_space) = 1;
|
|
current_space->sd_defined = 1;
|
|
#ifdef OBJ_SOM
|
|
if (now_seg != SEG_TEXT) /* no need to align if we are already there */
|
|
#else
|
|
if (now_seg != text_section) /* no need to align if we are already there */
|
|
#endif
|
|
pa_align_subseg (now_seg, now_subseg);
|
|
|
|
#ifdef OBJ_SOM
|
|
subseg_new (SEG_TEXT, sd_chain->sd_last_subseg);
|
|
current_subspace = pa_subsegment_to_subspace (SEG_TEXT,
|
|
sd_chain->sd_last_subseg);
|
|
#else
|
|
subseg_new ((char *) text_section->name, sd_chain->sd_last_subseg);
|
|
current_subspace = pa_subsegment_to_subspace (text_section,
|
|
sd_chain->sd_last_subseg);
|
|
#endif
|
|
demand_empty_rest_of_line ();
|
|
return;
|
|
}
|
|
if (strncasecmp (input_line_pointer, "$private$", 9) == 0)
|
|
{
|
|
input_line_pointer += 9;
|
|
sd_chain = is_defined_space ("$PRIVATE$");
|
|
if (sd_chain == NULL)
|
|
sd_chain = pa_parse_space_stmt ("$PRIVATE$", 1);
|
|
else if (sd_chain->sd_defined == 0)
|
|
sd_chain = pa_parse_space_stmt ("$PRIVATE$", 0);
|
|
|
|
current_space = sd_chain;
|
|
SPACE_DEFINED (current_space) = 1;
|
|
current_space->sd_defined = 1;
|
|
#ifdef OBJ_SOM
|
|
if (now_seg != SEG_DATA) /* no need to align if we are already there */
|
|
#else
|
|
if (now_seg != data_section) /* no need to align if we are already there */
|
|
#endif
|
|
pa_align_subseg (now_seg, now_subseg);
|
|
#ifdef OBJ_SOM
|
|
subseg_new (SEG_DATA, sd_chain->sd_last_subseg);
|
|
current_subspace = pa_subsegment_to_subspace (SEG_DATA,
|
|
sd_chain->sd_last_subseg);
|
|
#else
|
|
subseg_new ((char *) data_section->name, sd_chain->sd_last_subseg);
|
|
current_subspace = pa_subsegment_to_subspace (data_section,
|
|
sd_chain->sd_last_subseg);
|
|
#endif
|
|
demand_empty_rest_of_line ();
|
|
return;
|
|
}
|
|
if (strncasecmp (input_line_pointer,
|
|
GDB_DEBUG_SPACE_NAME, strlen (GDB_DEBUG_SPACE_NAME)) == 0)
|
|
{
|
|
input_line_pointer += strlen (GDB_DEBUG_SPACE_NAME);
|
|
sd_chain = is_defined_space (GDB_DEBUG_SPACE_NAME);
|
|
if (sd_chain == NULL)
|
|
sd_chain = pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME, 1);
|
|
else if (sd_chain->sd_defined == 0)
|
|
sd_chain = pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME, 0);
|
|
|
|
current_space = sd_chain;
|
|
SPACE_DEFINED (current_space) = 1;
|
|
current_space->sd_defined = 1;
|
|
#ifdef OBJ_SOM
|
|
if (now_seg != SEG_GDB) /* no need to align if we are already there */
|
|
pa_align_subseg (now_seg, now_subseg);
|
|
subseg_new (SEG_GDB, sd_chain->sd_last_subseg);
|
|
current_subspace = pa_subsegment_to_subspace (SEG_GDB,
|
|
sd_chain->sd_last_subseg);
|
|
#else
|
|
if (now_seg != gdb_section) /* no need to align if we are already there */
|
|
pa_align_subseg (now_seg, now_subseg);
|
|
subseg_new ((char *) gdb_section->name, sd_chain->sd_last_subseg);
|
|
current_subspace = pa_subsegment_to_subspace (gdb_section,
|
|
sd_chain->sd_last_subseg);
|
|
#endif
|
|
demand_empty_rest_of_line ();
|
|
return;
|
|
}
|
|
|
|
/* it could be a space specified by number */
|
|
|
|
if ((temp = pa_parse_number (&input_line_pointer)) >= 0)
|
|
{
|
|
if (sd_chain = pa_find_space_by_number (temp))
|
|
{
|
|
current_space = sd_chain;
|
|
SPACE_DEFINED (current_space) = 1;
|
|
current_space->sd_defined = 1;
|
|
if (now_seg != sd_chain->sd_seg) /* don't align if we're already there */
|
|
pa_align_subseg (now_seg, now_subseg);
|
|
#ifdef OBJ_SOM
|
|
subseg_new (sd_chain->sd_seg, sd_chain->sd_last_subseg);
|
|
#else
|
|
subseg_new ((char *) sd_chain->sd_seg->name, sd_chain->sd_last_subseg);
|
|
#endif
|
|
current_subspace = pa_subsegment_to_subspace (sd_chain->sd_seg,
|
|
sd_chain->sd_last_subseg);
|
|
demand_empty_rest_of_line ();
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* not a number, attempt to create a new space */
|
|
|
|
name = input_line_pointer;
|
|
c = get_symbol_end ();
|
|
space_name[0] = 0x00;
|
|
strcpy (space_name, name);
|
|
*input_line_pointer = c;
|
|
|
|
sd_chain = pa_parse_space_stmt (space_name, 1);
|
|
current_space = sd_chain;
|
|
SPACE_DEFINED (current_space) = 1;
|
|
current_space->sd_defined = 1;
|
|
if (now_seg != sd_chain->sd_seg) /* don't align if we're already there */
|
|
pa_align_subseg (now_seg, now_subseg);
|
|
#ifdef OBJ_SOM
|
|
subseg_new (sd_chain->sd_seg, sd_chain->sd_last_subseg);
|
|
#else
|
|
subseg_new ((char *) sd_chain->sd_seg->name, sd_chain->sd_last_subseg);
|
|
#endif
|
|
current_subspace = pa_subsegment_to_subspace (sd_chain->sd_seg,
|
|
sd_chain->sd_last_subseg);
|
|
demand_empty_rest_of_line ();
|
|
}
|
|
return;
|
|
}
|
|
|
|
void
|
|
pa_spnum ()
|
|
{
|
|
register char *name;
|
|
register char c;
|
|
register char *p;
|
|
space_dict_chainS *space;
|
|
|
|
name = input_line_pointer;
|
|
c = get_symbol_end ();
|
|
space = is_defined_space (name);
|
|
if (space)
|
|
{
|
|
p = frag_more (4);
|
|
/* put bytes in right order. */
|
|
md_number_to_chars (p, SPACE_SPNUM (space), 4);
|
|
}
|
|
else
|
|
as_warn ("Undefined space: '%s' Assuming space number = 0.", name);
|
|
|
|
*input_line_pointer = c;
|
|
demand_empty_rest_of_line ();
|
|
return;
|
|
}
|
|
|
|
static
|
|
int
|
|
is_power_of_2 (value)
|
|
int value;
|
|
{
|
|
int shift;
|
|
|
|
shift = 0;
|
|
while ((1 << shift) != value && shift < 32)
|
|
shift++;
|
|
|
|
if (shift >= 32)
|
|
shift = 0;
|
|
return shift;
|
|
}
|
|
|
|
void
|
|
pa_subspace ()
|
|
{
|
|
register char *name;
|
|
register char c;
|
|
register char *p;
|
|
register int temp;
|
|
register symbolS *symbolP;
|
|
|
|
char loadable, code_only, common, dup_common, zero;
|
|
char sort;
|
|
int number;
|
|
int i;
|
|
int access;
|
|
int space_index;
|
|
int alignment;
|
|
int quadrant;
|
|
int subseg;
|
|
space_dict_chainS *space;
|
|
subspace_dict_chainS *ssd;
|
|
subspace_dict_chainS *ssdCh;
|
|
char *ss_name;
|
|
int is_power_of_2 ();
|
|
|
|
if (within_procedure)
|
|
{
|
|
as_bad ("Can\'t change subspaces within a procedure definition. Ignored");
|
|
ignore_rest_of_line ();
|
|
}
|
|
else
|
|
{
|
|
name = input_line_pointer;
|
|
c = get_symbol_end ();
|
|
space = pa_segment_to_space (now_seg);
|
|
ssd = is_defined_subspace (name, space->sd_last_subseg);
|
|
|
|
ss_name = xmalloc (strlen (name) + 1);
|
|
strcpy (ss_name, name);
|
|
|
|
*input_line_pointer = c;
|
|
|
|
/* load default values */
|
|
sort = 0;
|
|
access = 0x7f;
|
|
loadable = 1;
|
|
common = 0;
|
|
dup_common = 0;
|
|
code_only = 0;
|
|
zero = 0;
|
|
space_index = ~0; /* filled in when the .o file is written */
|
|
alignment = 0; /* alignment=0 means no ALIGN= appeared on the .SUBSPA */
|
|
/* pseudo-op. The default will be the largest .ALIGN */
|
|
/* encountered (or 1 if no .ALIGN is encountered) */
|
|
quadrant = 0;
|
|
|
|
if (ssd)
|
|
{
|
|
if (ssd->ssd_defined)
|
|
{
|
|
#ifdef OBJ_SOM
|
|
subseg_new (now_seg, ssd->ssd_subseg);
|
|
#else
|
|
/* subseg_new(now_seg->name,ssd->ssd_subseg); */
|
|
subseg_new ((char *) ssd->ssd_seg->name, ssd->ssd_subseg);
|
|
#endif
|
|
if (!is_end_of_statement ())
|
|
{
|
|
as_warn ("Parameters of an existing subspace can\'t be modified");
|
|
}
|
|
demand_empty_rest_of_line ();
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
ssd->ssd_defined = 1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* a new subspace */
|
|
/* load default values */
|
|
i = 0;
|
|
while (pa_def_subspaces[i].name)
|
|
{
|
|
if (strcasecmp (pa_def_subspaces[i].name, ss_name) == 0)
|
|
{
|
|
loadable = pa_def_subspaces[i].loadable;
|
|
common = pa_def_subspaces[i].common;
|
|
dup_common = pa_def_subspaces[i].dup_common;
|
|
code_only = pa_def_subspaces[i].code_only;
|
|
zero = pa_def_subspaces[i].zero;
|
|
space_index = pa_def_subspaces[i].space_index;
|
|
/* alignment = pa_def_subspaces[i].alignment; */
|
|
alignment = 0;
|
|
quadrant = pa_def_subspaces[i].quadrant;
|
|
access = pa_def_subspaces[i].access;
|
|
sort = pa_def_subspaces[i].sort;
|
|
break;
|
|
}
|
|
i++;
|
|
}
|
|
}
|
|
|
|
if (!is_end_of_statement ())
|
|
{
|
|
input_line_pointer++;
|
|
while (!is_end_of_statement ())
|
|
{
|
|
name = input_line_pointer;
|
|
c = get_symbol_end ();
|
|
if ((strncasecmp (name, "QUAD", 4) == 0))
|
|
{
|
|
*input_line_pointer = c;
|
|
input_line_pointer++;
|
|
temp = get_absolute_expression ();
|
|
quadrant = temp;
|
|
}
|
|
else if ((strncasecmp (name, "ALIGN", 5) == 0))
|
|
{
|
|
*input_line_pointer = c;
|
|
input_line_pointer++;
|
|
temp = get_absolute_expression ();
|
|
alignment = temp;
|
|
if (!is_power_of_2 (alignment))
|
|
{
|
|
as_bad ("Alignment must be a power of 2");
|
|
alignment = 1;
|
|
}
|
|
}
|
|
else if ((strncasecmp (name, "ACCESS", 6) == 0))
|
|
{
|
|
*input_line_pointer = c;
|
|
input_line_pointer++;
|
|
temp = get_absolute_expression ();
|
|
access = temp;
|
|
}
|
|
else if ((strncasecmp (name, "SORT", 4) == 0))
|
|
{
|
|
*input_line_pointer = c;
|
|
input_line_pointer++;
|
|
temp = get_absolute_expression ();
|
|
sort = temp;
|
|
}
|
|
else if ((strncasecmp (name, "CODE_ONLY", 9) == 0))
|
|
{
|
|
*input_line_pointer = c;
|
|
code_only = 1;
|
|
}
|
|
else if ((strncasecmp (name, "UNLOADABLE", 10) == 0))
|
|
{
|
|
*input_line_pointer = c;
|
|
loadable = 0;
|
|
}
|
|
else if ((strncasecmp (name, "COMMON", 6) == 0))
|
|
{
|
|
*input_line_pointer = c;
|
|
common = 1;
|
|
}
|
|
else if ((strncasecmp (name, "DUP_COMM", 8) == 0))
|
|
{
|
|
*input_line_pointer = c;
|
|
dup_common = 1;
|
|
}
|
|
else if ((strncasecmp (name, "ZERO", 4) == 0))
|
|
{
|
|
*input_line_pointer = c;
|
|
zero = 1;
|
|
}
|
|
else
|
|
{
|
|
as_bad ("Unrecognized .SUBSPACE argument");
|
|
}
|
|
if (!is_end_of_statement ())
|
|
input_line_pointer++;
|
|
}
|
|
}
|
|
space = pa_segment_to_space (now_seg);
|
|
if (ssd)
|
|
{
|
|
current_subspace = update_subspace (ss_name, 1, loadable, code_only,
|
|
common, dup_common, sort, zero, access,
|
|
space_index, alignment, quadrant,
|
|
ssd->ssd_subseg);
|
|
}
|
|
else
|
|
{
|
|
current_subspace = create_new_subspace (space, ss_name, 1, loadable, code_only,
|
|
common, dup_common, zero, sort,
|
|
access, space_index, alignment,
|
|
quadrant, now_seg);
|
|
}
|
|
SUBSPACE_SUBSPACE_START (current_subspace) = pa_subspace_start (space, quadrant);
|
|
|
|
demand_empty_rest_of_line ();
|
|
#ifdef OBJ_SOM
|
|
subseg_new (current_subspace->ssd_seg, current_subspace->ssd_subseg);
|
|
#else
|
|
subseg_new ((char *) current_subspace->ssd_seg->name, current_subspace->ssd_subseg);
|
|
#endif
|
|
}
|
|
return;
|
|
}
|
|
|
|
/* For ELF, this function serves one purpose: to setup the st_size */
|
|
/* field of STT_FUNC symbols. To do this, we need to scan the */
|
|
/* call_info structure list, determining st_size in one of two possible */
|
|
/* ways: */
|
|
|
|
/* 1. call_info->start_frag->fr_fix has the size of the fragment. */
|
|
/* This approach assumes that the function was built into a */
|
|
/* single fragment. This works for most cases, but might fail. */
|
|
/* For example, if there was a segment change in the middle of */
|
|
/* the function. */
|
|
|
|
/* 2. The st_size field is the difference in the addresses of the */
|
|
/* call_info->start_frag->fr_address field and the fr_address */
|
|
/* field of the next fragment with fr_type == rs_fill and */
|
|
/* fr_fix != 0. */
|
|
|
|
void
|
|
elf_hppa_final_processing_hook ()
|
|
{
|
|
extern call_infoS *call_info_root;
|
|
|
|
call_infoS *ciP;
|
|
|
|
for (ciP = call_info_root; ciP; ciP = ciP->ci_next)
|
|
{
|
|
elf_symbol_type *esym = (elf_symbol_type *) ciP->start_symbol->bsym;
|
|
esym->internal_elf_sym.st_size =
|
|
ciP->end_symbol->bsym->value
|
|
- ciP->start_symbol->bsym->value + 4;
|
|
}
|
|
}
|
|
|
|
/* pa-spaces.c -- Space/subspace support for the HP PA-RISC version of GAS */
|
|
|
|
/* for space, subspace, and symbol maintenance on HP 9000 Series 800 */
|
|
|
|
space_dict_chainS *space_dict_root;
|
|
space_dict_chainS *space_dict_last;
|
|
|
|
space_dict_chainS *current_space;
|
|
subspace_dict_chainS *current_subspace;
|
|
|
|
extern symbolS *start_symbol_root;
|
|
extern symbolS *start_symbol_last;
|
|
|
|
void
|
|
pa_spaces_begin ()
|
|
{
|
|
space_dict_chainS *space;
|
|
int i;
|
|
subsegT now_subseg = now_subseg;
|
|
|
|
space_dict_root = NULL;
|
|
space_dict_last = NULL;
|
|
|
|
start_symbol_root = NULL;
|
|
start_symbol_last = NULL;
|
|
|
|
/* create default space and subspace dictionaries */
|
|
|
|
i = 0;
|
|
while (pa_def_spaces[i].name)
|
|
{
|
|
if (pa_def_spaces[i].alias)
|
|
pa_def_spaces[i].segment = subseg_new (pa_def_spaces[i].alias, 0);
|
|
else
|
|
pa_def_spaces[i].segment = bfd_make_section_old_way (stdoutput, pa_def_spaces[i].name);
|
|
|
|
create_new_space (pa_def_spaces[i].name, pa_def_spaces[i].spnum,
|
|
pa_def_spaces[i].loadable, pa_def_spaces[i].defined,
|
|
pa_def_spaces[i].private, pa_def_spaces[i].sort, 0,
|
|
pa_def_spaces[i].segment);
|
|
i++;
|
|
}
|
|
|
|
i = 0;
|
|
while (pa_def_subspaces[i].name)
|
|
{
|
|
space = pa_segment_to_space (pa_def_spaces[pa_def_subspaces[i].def_space_index].segment);
|
|
if (space)
|
|
{
|
|
char *name = pa_def_subspaces[i].alias;
|
|
if (!name)
|
|
name = pa_def_subspaces[i].name;
|
|
create_new_subspace (space, name,
|
|
pa_def_subspaces[i].defined,
|
|
pa_def_subspaces[i].loadable,
|
|
pa_def_subspaces[i].code_only, pa_def_subspaces[i].common,
|
|
pa_def_subspaces[i].dup_common, pa_def_subspaces[i].zero,
|
|
pa_def_subspaces[i].sort, pa_def_subspaces[i].access,
|
|
pa_def_subspaces[i].space_index,
|
|
pa_def_subspaces[i].alignment,
|
|
pa_def_subspaces[i].quadrant,
|
|
pa_def_spaces[pa_def_subspaces[i].def_space_index].segment);
|
|
subseg_new (name, pa_def_subspaces[i].subsegment);
|
|
}
|
|
else
|
|
as_fatal ("Internal error: space missing for subspace \"%s\"\n",
|
|
pa_def_subspaces[i].name);
|
|
i++;
|
|
}
|
|
}
|
|
|
|
space_dict_chainS *
|
|
create_new_space (name, spnum, loadable, defined, private, sort, defined_in_file, seg)
|
|
char *name;
|
|
int spnum;
|
|
char loadable;
|
|
char defined;
|
|
char private;
|
|
char sort;
|
|
char defined_in_file;
|
|
asection *seg;
|
|
|
|
{
|
|
Elf_Internal_Shdr *new_space;
|
|
space_dict_chainS *chain_entry;
|
|
|
|
new_space = (Elf_Internal_Shdr *) xmalloc (sizeof (Elf_Internal_Shdr));
|
|
if (!new_space)
|
|
as_fatal ("Out of memory: could not allocate new Elf_Internal_Shdr: %s\n", name);
|
|
|
|
/*
|
|
new_space->space_number = spnum;
|
|
new_space->is_loadable = loadable & 1;
|
|
new_space->is_defined = defined & 1;
|
|
new_space->is_private = private & 1;
|
|
new_space->sort_key = sort & 0xff;
|
|
|
|
new_space->loader_fix_index = ~0;
|
|
new_space->loader_fix_quantity = 0;
|
|
new_space->init_pointer_index = ~0;
|
|
new_space->init_pointer_quantity = 0;
|
|
new_space->subspace_quantity = 0;
|
|
*/
|
|
|
|
chain_entry = (space_dict_chainS *) xmalloc (sizeof (space_dict_chainS));
|
|
if (!chain_entry)
|
|
as_fatal ("Out of memory: could not allocate new space chain entry: %s\n", name);
|
|
|
|
SPACE_NAME (chain_entry) = (char *) xmalloc (strlen (name) + 1);
|
|
strcpy (SPACE_NAME (chain_entry), name);
|
|
|
|
chain_entry->sd_entry = new_space;
|
|
chain_entry->sd_defined = defined_in_file;
|
|
chain_entry->sd_seg = seg;
|
|
chain_entry->sd_last_subseg = -1;
|
|
chain_entry->sd_next = NULL;
|
|
|
|
SPACE_SPNUM (chain_entry) = spnum;
|
|
SPACE_LOADABLE (chain_entry) = loadable & 1;
|
|
SPACE_DEFINED (chain_entry) = defined & 1;
|
|
SPACE_PRIVATE (chain_entry) = private & 1;
|
|
SPACE_SORT (chain_entry) = sort & 0xff;
|
|
|
|
/* find spot for the new space based on its sort key */
|
|
|
|
if (!space_dict_last)
|
|
space_dict_last = chain_entry;
|
|
|
|
if (space_dict_root == NULL) /* if root is null, it is very easy */
|
|
space_dict_root = chain_entry;
|
|
else
|
|
{
|
|
space_dict_chainS *sdcP;
|
|
space_dict_chainS *last_sdcP;
|
|
|
|
sdcP = space_dict_root;
|
|
last_sdcP = NULL;
|
|
|
|
while (sdcP)
|
|
{
|
|
if (SPACE_SORT (sdcP) < SPACE_SORT (chain_entry))
|
|
{
|
|
last_sdcP = sdcP;
|
|
sdcP = sdcP->sd_next;
|
|
}
|
|
else if (SPACE_SORT (sdcP) == SPACE_SORT (chain_entry))
|
|
{
|
|
last_sdcP = sdcP;
|
|
sdcP = sdcP->sd_next;
|
|
}
|
|
else if (SPACE_SORT (sdcP) > SPACE_SORT (chain_entry))
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (last_sdcP)
|
|
{
|
|
chain_entry->sd_next = sdcP;
|
|
last_sdcP->sd_next = chain_entry;
|
|
}
|
|
else
|
|
{
|
|
space_dict_root = chain_entry;
|
|
chain_entry->sd_next = sdcP;
|
|
}
|
|
|
|
if (chain_entry->sd_next == NULL)
|
|
space_dict_last = chain_entry;
|
|
}
|
|
|
|
return chain_entry;
|
|
}
|
|
|
|
subspace_dict_chainS
|
|
* create_new_subspace (space, name, defined, loadable, code_only, common, dup_common,
|
|
is_zero, sort, access, space_index, alignment, quadrant, seg)
|
|
space_dict_chainS *space;
|
|
char *name;
|
|
char defined, loadable, code_only, common, dup_common, is_zero;
|
|
char sort;
|
|
int access;
|
|
int space_index;
|
|
int alignment;
|
|
int quadrant;
|
|
asection *seg;
|
|
{
|
|
Elf_Internal_Shdr *new_subspace;
|
|
subspace_dict_chainS *chain_entry;
|
|
symbolS *start_symbol;
|
|
|
|
new_subspace = (Elf_Internal_Shdr *) xmalloc (sizeof (Elf_Internal_Shdr));
|
|
if (!new_subspace)
|
|
as_fatal ("Out of memory: could not allocate new Elf_Internal_Shdr: %s\n",
|
|
name);
|
|
|
|
/*
|
|
new_subspace->space_index = space_index;
|
|
new_subspace->fixup_request_index = ~0;
|
|
*/
|
|
|
|
chain_entry = (subspace_dict_chainS *) xmalloc (sizeof (subspace_dict_chainS));
|
|
if (!chain_entry)
|
|
as_fatal ("Out of memory: could not allocate new subspace chain entry: %s\n", name);
|
|
|
|
chain_entry->ssd_entry = new_subspace;
|
|
SUBSPACE_NAME (chain_entry) = (char *) xmalloc (strlen (name) + 1);
|
|
strcpy (SUBSPACE_NAME (chain_entry), name);
|
|
|
|
SUBSPACE_ACCESS (chain_entry) = access & 0x7f;
|
|
SUBSPACE_LOADABLE (chain_entry) = loadable & 1;
|
|
SUBSPACE_COMMON (chain_entry) = common & 1;
|
|
SUBSPACE_DUP_COMM (chain_entry) = dup_common & 1;
|
|
SUBSPACE_SORT (chain_entry) = sort & 0xff;
|
|
SET_SUBSPACE_CODE_ONLY (chain_entry, code_only & 1);
|
|
SUBSPACE_ALIGN (chain_entry) = alignment & 0xffff;
|
|
SUBSPACE_QUADRANT (chain_entry) = quadrant & 0x3;
|
|
SUBSPACE_SUBSPACE_START (chain_entry) = pa_subspace_start (space, quadrant);
|
|
|
|
chain_entry->ssd_defined = defined;
|
|
chain_entry->ssd_space_number = space_index;
|
|
chain_entry->ssd_subseg = pa_next_subseg (space);
|
|
chain_entry->ssd_seg = seg;
|
|
SUBSPACE_ZERO (chain_entry) = is_zero;
|
|
chain_entry->ssd_last_align = 1;
|
|
chain_entry->ssd_next = NULL;
|
|
|
|
/* find spot for the new subspace based on its sort key */
|
|
|
|
if (space->sd_subspaces == NULL) /* if root is null, it is very easy */
|
|
space->sd_subspaces = chain_entry;
|
|
else
|
|
{
|
|
subspace_dict_chainS *ssdcP;
|
|
subspace_dict_chainS *last_ssdcP;
|
|
|
|
ssdcP = space->sd_subspaces;
|
|
last_ssdcP = NULL;
|
|
|
|
while (ssdcP)
|
|
{
|
|
if (SUBSPACE_SORT (ssdcP) < SUBSPACE_SORT (chain_entry))
|
|
{
|
|
last_ssdcP = ssdcP;
|
|
ssdcP = ssdcP->ssd_next;
|
|
}
|
|
else if (SUBSPACE_SORT (ssdcP) == SUBSPACE_SORT (chain_entry))
|
|
{
|
|
last_ssdcP = ssdcP;
|
|
ssdcP = ssdcP->ssd_next;
|
|
}
|
|
else if (SUBSPACE_SORT (ssdcP) > SUBSPACE_SORT (chain_entry))
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (last_ssdcP)
|
|
{
|
|
chain_entry->ssd_next = ssdcP;
|
|
last_ssdcP->ssd_next = chain_entry;
|
|
}
|
|
else
|
|
{
|
|
space->sd_subspaces = chain_entry;
|
|
chain_entry->ssd_next = ssdcP;
|
|
}
|
|
}
|
|
|
|
start_symbol = pa_set_start_symbol (seg, space->sd_last_subseg);
|
|
chain_entry->ssd_start_sym = start_symbol;
|
|
return chain_entry;
|
|
|
|
}
|
|
|
|
subspace_dict_chainS
|
|
* update_subspace (name, defined, loadable, code_only, common, dup_common, sort, zero,
|
|
access, space_index, alignment, quadrant, subseg)
|
|
char *name;
|
|
char defined, loadable, code_only, common, dup_common, zero;
|
|
char sort;
|
|
int access;
|
|
int space_index;
|
|
int alignment;
|
|
int quadrant;
|
|
subsegT subseg;
|
|
{
|
|
subspace_dict_chainS *chain_entry;
|
|
subspace_dict_chainS *is_defined_subspace ();
|
|
|
|
if ((chain_entry = is_defined_subspace (name, subseg)))
|
|
{
|
|
|
|
SUBSPACE_ACCESS (chain_entry) = access & 0x7f;
|
|
SUBSPACE_LOADABLE (chain_entry) = loadable & 1;
|
|
SUBSPACE_COMMON (chain_entry) = common & 1;
|
|
SUBSPACE_DUP_COMM (chain_entry) = dup_common & 1;
|
|
SET_SUBSPACE_CODE_ONLY (chain_entry, code_only & 1);
|
|
SUBSPACE_SORT (chain_entry) = sort & 0xff;
|
|
/* chain_entry->ssd_entry->space_index = space_index; */
|
|
SUBSPACE_ALIGN (chain_entry) = alignment & 0xffff;
|
|
SUBSPACE_QUADRANT (chain_entry) = quadrant & 0x3;
|
|
|
|
chain_entry->ssd_defined = defined;
|
|
chain_entry->ssd_space_number = space_index;
|
|
SUBSPACE_ZERO (chain_entry) = zero;
|
|
}
|
|
else
|
|
chain_entry = NULL;
|
|
|
|
return chain_entry;
|
|
|
|
}
|
|
|
|
space_dict_chainS *
|
|
is_defined_space (name)
|
|
char *name;
|
|
{
|
|
space_dict_chainS *spaceCh;
|
|
|
|
for (spaceCh = space_dict_root; spaceCh; spaceCh = spaceCh->sd_next)
|
|
{
|
|
if (strcmp (SPACE_NAME (spaceCh), name) == 0)
|
|
{
|
|
return spaceCh;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
space_dict_chainS *
|
|
pa_segment_to_space (seg)
|
|
asection *seg;
|
|
{
|
|
space_dict_chainS *spaceCh;
|
|
|
|
for (spaceCh = space_dict_root; spaceCh; spaceCh = spaceCh->sd_next)
|
|
{
|
|
if (spaceCh->sd_seg == seg)
|
|
{
|
|
return spaceCh;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
subspace_dict_chainS *
|
|
is_defined_subspace (name, subseg)
|
|
char *name;
|
|
subsegT subseg;
|
|
{
|
|
space_dict_chainS *spaceCh;
|
|
subspace_dict_chainS *subspCh;
|
|
|
|
for (spaceCh = space_dict_root; spaceCh; spaceCh = spaceCh->sd_next)
|
|
{
|
|
for (subspCh = spaceCh->sd_subspaces; subspCh; subspCh = subspCh->ssd_next)
|
|
{
|
|
/*
|
|
if ( strcmp(SUBSPACE_NAME(subspCh),name) == 0 &&
|
|
subspCh->ssd_subseg == subseg ) {
|
|
*/
|
|
if (strcmp (SUBSPACE_NAME (subspCh), name) == 0)
|
|
{
|
|
return subspCh;
|
|
}
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
subspace_dict_chainS *
|
|
pa_subsegment_to_subspace (seg, subseg)
|
|
asection *seg;
|
|
subsegT subseg;
|
|
{
|
|
space_dict_chainS *spaceCh;
|
|
subspace_dict_chainS *subspCh;
|
|
|
|
for (spaceCh = space_dict_root; spaceCh; spaceCh = spaceCh->sd_next)
|
|
{
|
|
if (spaceCh->sd_seg == seg)
|
|
{
|
|
for (subspCh = spaceCh->sd_subspaces; subspCh; subspCh = subspCh->ssd_next)
|
|
{
|
|
if (subspCh->ssd_subseg == (int) subseg)
|
|
{
|
|
return subspCh;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
space_dict_chainS *
|
|
pa_find_space_by_number (number)
|
|
int number;
|
|
{
|
|
space_dict_chainS *spaceCh;
|
|
|
|
for (spaceCh = space_dict_root; spaceCh; spaceCh = spaceCh->sd_next)
|
|
{
|
|
if (SPACE_SPNUM (spaceCh) == number)
|
|
{
|
|
return spaceCh;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
unsigned int
|
|
pa_subspace_start (space, quadrant)
|
|
space_dict_chainS *space;
|
|
int quadrant;
|
|
{
|
|
if ((strcasecmp (SPACE_NAME (space), "$PRIVATE$") == 0) &&
|
|
quadrant == 1)
|
|
{
|
|
return 0x40000000;
|
|
}
|
|
else if (space->sd_seg == data_section && quadrant == 1)
|
|
{ /* in case name is */
|
|
/* already converted */
|
|
/* to a space dict- */
|
|
/* ionary index */
|
|
return 0x40000000;
|
|
}
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
pa_next_subseg (space)
|
|
space_dict_chainS *space;
|
|
{
|
|
|
|
space->sd_last_subseg++;
|
|
return space->sd_last_subseg;
|
|
}
|
|
|
|
int
|
|
is_last_defined_subspace (ssd)
|
|
subspace_dict_chainS *ssd;
|
|
{
|
|
|
|
for (; ssd; ssd = ssd->ssd_next)
|
|
{
|
|
if (ssd->ssd_defined)
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
symbolS *
|
|
pa_get_start_symbol (seg, subseg)
|
|
asection *seg;
|
|
subsegT subseg;
|
|
{
|
|
symbolS *start_symbol;
|
|
subspace_dict_chainS *ssd;
|
|
|
|
start_symbol = NULL;
|
|
|
|
/* each time a new space is created, build a symbol called LS$START_seg_subseg$ */
|
|
/* where <space-name> is the name of the space */
|
|
/* the start symbol will be SS_LOCAL and ST_CODE */
|
|
|
|
if (seg == bfd_make_section_old_way (stdoutput, ".text") ||
|
|
seg == bfd_make_section_old_way (stdoutput, ".data") ||
|
|
seg == bfd_make_section_old_way (stdoutput, GDB_DEBUG_SPACE_NAME))
|
|
{
|
|
ssd = pa_subsegment_to_subspace (seg, subseg);
|
|
if (ssd)
|
|
{
|
|
start_symbol = ssd->ssd_start_sym;
|
|
}
|
|
else
|
|
as_fatal ("Internal error: missing subspace for (seg,subseg)=('%s',%d)",
|
|
seg->name, subseg);
|
|
}
|
|
else
|
|
as_fatal ("Internal error: attempt to find start symbol for unloadable segment: '%s'",
|
|
seg->name);
|
|
|
|
return start_symbol;
|
|
}
|
|
|
|
/*
|
|
Function to define a symbol whose address is the beginning of a subspace.
|
|
This function assumes the symbol is to be defined for the current subspace.
|
|
*/
|
|
|
|
symbolS *
|
|
pa_set_start_symbol (seg, subseg)
|
|
asection *seg;
|
|
subsegT subseg;
|
|
{
|
|
symbolS *start_symbol;
|
|
subspace_dict_chainS *ssd;
|
|
char *symbol_name;
|
|
|
|
symbol_name = (char *) xmalloc (strlen ("LS$START__000000$") + strlen (seg->name) + 1);
|
|
|
|
sprintf (symbol_name, "LS$START_%s_%03d$", seg->name, subseg);
|
|
|
|
start_symbol
|
|
= symbol_new (symbol_name, seg, 0, frag_now); /* XXX: not sure if value s.b. 0 or frag s.b. NULL */
|
|
|
|
start_symbol->bsym->flags = BSF_LOCAL; /* XXX: isn't there a macro defined for this? */
|
|
|
|
/* each time a new space is created, build a symbol called LS$START_seg_subseg$ */
|
|
/* where <space-name> is the name of the space */
|
|
/* the start symbol will be SS_LOCAL and ST_CODE */
|
|
/* This function assumes that (seg,subseg) is a new subsegment(subspace) */
|
|
|
|
if (seg == bfd_make_section_old_way (stdoutput, ".text") ||
|
|
seg == bfd_make_section_old_way (stdoutput, ".data") ||
|
|
seg == bfd_make_section_old_way (stdoutput, GDB_DEBUG_SPACE_NAME))
|
|
{
|
|
ssd = pa_subsegment_to_subspace (seg, subseg);
|
|
if (ssd)
|
|
{
|
|
ssd->ssd_start_sym = start_symbol;
|
|
}
|
|
else
|
|
as_fatal ("Internal error: missing subspace for (seg,subseg)=('%s',%d)",
|
|
seg, subseg);
|
|
}
|
|
else
|
|
as_fatal ("Internal error: attempt to define start symbol for unloadable segment: '%s'",
|
|
seg->name);
|
|
|
|
return start_symbol;
|
|
}
|
|
|
|
static unsigned int
|
|
pa_stringer_aux (s)
|
|
char *s;
|
|
{
|
|
unsigned int c = *s & CHAR_MASK;
|
|
switch (c)
|
|
{
|
|
case '\"':
|
|
c = NOT_A_CHAR;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return c;
|
|
}
|
|
|
|
void
|
|
pa_stringer (append_zero) /* Worker to do .ascii etc statements. */
|
|
/* Checks end-of-line. */
|
|
register int append_zero; /* 0: don't append '\0', else 1 */
|
|
{
|
|
char *s;
|
|
unsigned int c;
|
|
char num_buf[4];
|
|
int i;
|
|
|
|
/* Preprocess the string to handle PA-specific escape sequences. */
|
|
/* For example, \xDD where DD is a hexidecimal number should be */
|
|
/* changed to \OOO where OOO is an octal number. */
|
|
|
|
s = input_line_pointer + 1; /* skip the opening quote */
|
|
|
|
while (is_a_char (c = pa_stringer_aux (s++)))
|
|
{
|
|
if (c == '\\')
|
|
{
|
|
c = *s;
|
|
switch (c)
|
|
{
|
|
case 'x':
|
|
{
|
|
unsigned int number;
|
|
int num_digit;
|
|
char dg;
|
|
char *s_start = s;
|
|
|
|
s++; /* get past the 'x' */
|
|
for (num_digit = 0, number = 0, dg = *s;
|
|
num_digit < 2
|
|
&& (isdigit (dg) || (dg >= 'a' && dg <= 'f')
|
|
|| (dg >= 'A' && dg <= 'F'));
|
|
num_digit++)
|
|
{
|
|
if (isdigit (dg))
|
|
number = number * 16 + dg - '0';
|
|
else if (dg >= 'a' && dg <= 'f')
|
|
number = number * 16 + dg - 'a' + 10;
|
|
else
|
|
number = number * 16 + dg - 'A' + 10;
|
|
|
|
s++;
|
|
dg = *s;
|
|
}
|
|
if (num_digit > 0)
|
|
{
|
|
switch (num_digit)
|
|
{
|
|
case 1:
|
|
sprintf (num_buf, "%02o", number);
|
|
break;
|
|
case 2:
|
|
sprintf (num_buf, "%03o", number);
|
|
break;
|
|
}
|
|
for (i = 0; i <= num_digit; i++)
|
|
s_start[i] = num_buf[i];
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
stringer (append_zero);
|
|
pa_undefine_label ();
|
|
}
|
|
|
|
void
|
|
pa_version ()
|
|
{
|
|
#ifdef OBJ_ELF
|
|
obj_elf_version ();
|
|
#endif
|
|
pa_undefine_label ();
|
|
}
|
|
|
|
void
|
|
pa_cons (nbytes)
|
|
register unsigned int nbytes; /* 1=.byte, 2=.word, 4=.long */
|
|
{
|
|
cons (nbytes);
|
|
pa_undefine_label ();
|
|
}
|
|
|
|
void
|
|
pa_data ()
|
|
{
|
|
s_data ();
|
|
pa_undefine_label ();
|
|
}
|
|
|
|
void
|
|
pa_desc ()
|
|
{
|
|
|
|
#ifdef OBJ_ELF
|
|
obj_elf_desc ();
|
|
#endif
|
|
pa_undefine_label ();
|
|
}
|
|
|
|
void
|
|
pa_float_cons (float_type)
|
|
register int float_type; /* 'f':.ffloat ... 'F':.float ... */
|
|
{
|
|
float_cons (float_type);
|
|
pa_undefine_label ();
|
|
}
|
|
|
|
void
|
|
pa_fill ()
|
|
{
|
|
s_fill ();
|
|
pa_undefine_label ();
|
|
}
|
|
|
|
void
|
|
pa_lcomm (needs_align)
|
|
/* 1 if this was a ".bss" directive, which may require a 3rd argument
|
|
(alignment); 0 if it was an ".lcomm" (2 args only) */
|
|
int needs_align;
|
|
{
|
|
s_lcomm (needs_align);
|
|
pa_undefine_label ();
|
|
}
|
|
|
|
void
|
|
pa_lsym ()
|
|
{
|
|
s_lsym ();
|
|
pa_undefine_label ();
|
|
}
|
|
|
|
void
|
|
pa_big_cons (nbytes)
|
|
register int nbytes;
|
|
{
|
|
big_cons (nbytes);
|
|
pa_undefine_label ();
|
|
}
|
|
|
|
void
|
|
pa_text ()
|
|
{
|
|
s_text ();
|
|
pa_undefine_label ();
|
|
}
|