binutils-gdb/gas/config/obj-evax.h
Tristan Gingold 198f125145 2009-03-03 Tristan Gingold <gingold@adacore.com>
Eric Botcazou  <ebotcazou@adacore.com>
	    Douglas B Rupp  <rupp@gnat.com>

	* doc/as.texinfo (Overview): Mention -replace/-noreplace options
	for Alpha.
	* doc/c-alpha.texi (Alpha Options): Document -replace/-noreplace.
	* config/tc-alpha.h (TC_VALIDATE_FIX_SUB): Define to 1 (evax).
	(OBJ_SYMFIELD_TYPE): Remove.
	(tc_canonicalize_symbol_name): Define to evax_shorten_name.
	(TC_IMPLICIT_LCOMM_ALIGNMENT): For alignment to 3 on evax.
	(tc_frob_file_before_fix): Do not defined on evax.
	* config/tc-alpha.c: Always includes dwarf2dbg.h.
	Include vms.h if OBJ_EVAX.
	(struct alpha_fixup): Add xtrasym and procsym (evax only).
	(enum alpha_macro_arg): Remove trailing comma.
	(md_longopts): Add replace and noreplace arguments (evax only).
	(alpha_evax_proc_hash): New variable.
	(alpha_link_section): Make it global.
	(alpha_ctors_section, alpha_dtors_section): Removed.
	(alpha_ctors_symbol, alpha_dtors_symbol): Ditto.
	(alpha_lit8_section): Ifndef'ed on evax.
	(alpha_lit8_symbol): Ditto.
	(alpha_prologue_label): New variable.
	(alpha_linkage_symbol): New variable (evax only).
	(alpha_flag_replace): Ditto.
	(struct alpha_evax_procs): Add handler and handler_data field.
	(alpha_evax_proc): Now of type pointer.
	(alpha_linkage_fixup_root, alpha_linkage_fixup_tail): New variables.
	(struct alpha_reloc_tag): Add sym and psym fields (evax only).
	(get_alpha_reloc_tag): Initialize sym and psym fields (evax only).
	(alpha_adjust_relocs): Ifndef'ed on evax.
	(load_expression): Add opname argument.
	Implement LDA/BSR optimization for evax.
	(emit_lda): Adjust for new prototype of load_expression.
	(emit_ir_load): Ditto. Do not nothing for GP if ..lk symbols.
	(emit_loadstore): Likewise.
	(emit_ldXu): Likewise.
	(emit_stX): Likewise.
	(emit_jsrjmp): Likewise.  Implement LDA/BSR optimization for evax.
	(emit_ldgp): Avoid warning in evax case.
	(add_to_link_pool): Make it static.  Return symbolic expression rather
	than number expression for the offset.
	(s_alpha_text): Create .text symbol for evax if not already created.
	(s_alpha_comm): Do not create specific section for common symbol.
	Fill common area with zeros for evax.
	(s_alpha_prologue): Create alpha_prologue_label.
	(s_alpha_section_name): New function (evax).
	(s_alpha_section_word): Likewise.
	(section_name): New static variabke moved out from ...
	(s_alpha_section): ... here.  Create new sections on demand.
	(s_alpha_literals): New function (evax).
	(s_alpha_ent): Create alpha_evax_proc instance and insert it in the
	alpha_evax_proc_hash table.
	(s_alpha_handler): New function (evax).
	(s_alpha_frame): Adjust for new type of alpha_evax_proc.
	(s_alpha_prologue): New function (evax).
	(s_alpha_pdesc): Adjust for new type of alpha_evax_proc and new
	handling of procedures with hash table.
	Add support for condition handlers.
	(s_alpha_linkage): Create linkage_fixup instance and chain it.
	(s_alpha_fp_save): Adjust for new type of alpha_evax_proc.
	(s_alpha_mask): Likewise.
	(s_alpha_fmask): Likewise.
	(s_alpha_end): Clear alpha_evax_proc.
	(s_alpha_align): Increase max_alignment to 16.
	(alpha_print_token): Call print_expr_1 instead of print_expr.
	(md_pseudo_table): Add "section", "literals", "handler" and
	"handler_data" (evax).  Do not ignore "prologue" on evax.
	Fix indentation.
	(md_begin): Create hash table for alpha_evax_proc_hash.
	(md_parse_option): Handle OPTION_REPLACE and OPTION_NOREPLACE.
	(md_show_usage): Mention -replace/-noreplace for evax.
	(md_apply_fix): Handle evax relocs (_NOP, _LDA, _BSR and _BOH).
	(alpha_force_relocation): Likewise.
	(alpha_fix_adjustable): Likewise. Add BFD_RELOC_16 case.
	(tc_gen_reloc): Likewise.  Add BFD_RELOC_ALPHA_LINKAGE for evax.
	(emit_insn): New cases for evax specific relocs.
	(assemble_insn): Fix indentation.
	Take care of -MDISP in operand table.
	* config/obj-evax.h (struct alpha_linkage_fixups): New struct.
	(OBJ_SYMFIELD_TYPE): New macro.
	(obj_symbol_new_hook): Define.
	(obj_frob_symbol, obj_frob_file_before_adjust): Ditto.
	(obj_frob_file_before_fix): Ditto.
	(PDSC_S_M_HANDLER_VALID): New macro.
	(PDSC_S_M_HANDLER_DATA_VALID): Ditto.
	(TC_IMPLICIT_LCOMM_ALIGNMENT): Remove.
	Add prototypes for functions declared in obj-evax.c
	* config/obj-evax.c: Include subsegs.h, struc-symbol.h, safe-ctype.h.
	(s_evax_weak): Convert to ansi-C.
	(evax_symbol_new_hook): New function.
	(evax_frob_symbol): Ditto.
	(evax_frob_file_before_adjust): Ditto.
	(evax_frob_file_before_fix): Ditto.
	(evax_shorten_name): Ditto.
	(crc32): Ditto.
	(encode_32): Ditto.
	(encode_16): Ditto.
	(decode_16): Ditto.
	(shorten_identifier): Ditto.
	(is_truncated_identifier): Ditto.
	* dwarf2dbg.c (out_debug_info): Do not append trailing slash on	VMS.
	* as.c (close_output_file): Remove #ifndef OBJ_VMS.
	(main): Ditto.
2009-03-03 10:04:58 +00:00

120 lines
3.4 KiB
C

/* This file is obj-evax.h
Copyright 1996, 2000, 2005, 2007 Free Software Foundation, Inc.
Contributed by Klaus Kämpf (kkaempf@progis.de) of
proGIS Software, Aachen, Germany.
This file is part of GAS, the GNU Assembler.
GAS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
/*
* This file is obj-evax.h and is intended to be a template for
* object format specific header files.
*/
#include "as.h"
/* define an obj specific macro off which target cpu back ends may key. */
#define OBJ_EVAX 1
/* include whatever target cpu is appropriate. */
#include "targ-cpu.h"
#define OUTPUT_FLAVOR bfd_target_evax_flavour
struct fix;
struct alpha_linkage_fixups
{
struct alpha_linkage_fixups *next;
struct fix *fixp;
segT seg;
symbolS *label;
};
/*
* SYMBOLS
*/
/*
* If your object format needs to reorder symbols, define this. When
* defined, symbols are kept on a doubly linked list and functions are
* made available for push, insert, append, and delete. If not defined,
* symbols are kept on a singly linked list, only the append and clear
* facilities are available, and they are macros.
*/
/* #define SYMBOLS_NEED_PACKPOINTERS */
/* */
typedef struct
{
void *nothing;
}
obj_symbol_type; /* should be the format's symbol structure */
typedef void *object_headers;
#define OBJ_EMIT_LINENO(a,b,c) /* must be *something*. This no-op's it out. */
/* This field keeps the symbols position in the link section. */
#define OBJ_SYMFIELD_TYPE valueT
#define obj_symbol_new_hook(s) evax_symbol_new_hook (s)
#define obj_frob_symbol(s,p) evax_frob_symbol (s, &p)
#define obj_frob_file_before_adjust evax_frob_file_before_adjust
#define obj_frob_file_before_fix evax_frob_file_before_fix
#define S_SET_OTHER(S,V)
#define S_SET_TYPE(S,T)
#define S_SET_DESC(S,D)
#define S_GET_OTHER(S) 0
#define S_GET_TYPE(S) 0
#define S_GET_DESC(S) 0
#define PDSC_S_K_KIND_FP_STACK 9
#define PDSC_S_K_KIND_FP_REGISTER 10
#define PDSC_S_K_KIND_NULL 8
#define PDSC_S_K_MIN_STACK_SIZE 32
#define PDSC_S_K_MIN_REGISTER_SIZE 24
#define PDSC_S_K_NULL_SIZE 16
#define PDSC_S_M_HANDLER_VALID 0x10 /* low byte */
#define PDSC_S_M_HANDLER_DATA_VALID 0x40 /* low byte */
#define PDSC_S_M_BASE_REG_IS_FP 0x80 /* low byte */
#define PDSC_S_M_NATIVE 0x10 /* high byte */
#define PDSC_S_M_NO_JACKET 0x20 /* high byte */
#define LKP_S_K_SIZE 16
extern segT alpha_link_section;
extern struct alpha_linkage_fixups *alpha_linkage_fixup_root;
extern void evax_section (int);
extern void evax_symbol_new_hook (symbolS *);
extern void evax_frob_symbol (symbolS *, int *);
extern void evax_frob_file_before_adjust (void);
extern void evax_frob_file_before_fix (void);
extern char *evax_shorten_name (char *);
/*
* Local Variables:
* comment-column: 0
* fill-column: 131
* End:
*/