binutils-gdb/gas/config/tc-hppa.h

201 lines
6.7 KiB
C
Raw Normal View History

1999-05-03 15:29:11 +08:00
/* tc-hppa.h -- Header file for the PA
Copyright 1989, 1993, 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002,
2003, 2004, 2005 Free Software Foundation, Inc.
1999-05-03 15:29:11 +08:00
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 1, 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. */
1999-05-03 15:29:11 +08:00
/* HP PA-RISC support was contributed by the Center for Software Science
at the University of Utah. */
/* Please refrain from exposing the world to the internals of tc-hppa.c
when this file is included. This means only declaring exported functions,
(please PARAMize them!) not exporting structures and data items which
are used solely within tc-hppa.c, etc.
Also refrain from adding any more object file dependent code, there is
1999-05-03 15:29:11 +08:00
already far too much object file format dependent code in this file.
In theory this file should contain only exported functions, structures
and data declarations common to all PA assemblers. */
#ifndef _TC_HPPA_H
#define _TC_HPPA_H
#ifndef TC_HPPA
#define TC_HPPA 1
#endif
#define TARGET_BYTES_BIG_ENDIAN 1
#define TARGET_ARCH bfd_arch_hppa
#define WORKING_DOT_WORD
#ifdef OBJ_ELF
#if TARGET_ARCH_SIZE == 64
#include "bfd/elf64-hppa.h"
2003-10-06 19:01:36 +08:00
#if defined (TE_LINUX) || defined (TE_NetBSD)
#define TARGET_FORMAT "elf64-hppa-linux"
#else
#define TARGET_FORMAT "elf64-hppa"
#endif
#else /* TARGET_ARCH_SIZE == 32 */
1999-05-03 15:29:11 +08:00
#include "bfd/elf32-hppa.h"
#if defined (TE_LINUX)
#define TARGET_FORMAT "elf32-hppa-linux"
#else
#if defined (TE_NetBSD)
#define TARGET_FORMAT "elf32-hppa-netbsd"
#else
1999-05-03 15:29:11 +08:00
#define TARGET_FORMAT "elf32-hppa"
#endif
#endif
#endif
#endif
1999-05-03 15:29:11 +08:00
#ifdef OBJ_SOM
#include "bfd/som.h"
#define TARGET_FORMAT "som"
#endif
#if defined(TE_LINUX) || defined(TE_NetBSD)
2000-07-28 13:05:20 +08:00
/* Define to compile in an extra assembler option, -c, which enables a
warning (once per file) when a comment is encountered.
The hppa comment char is a `;' which tends to occur in random C asm
statements. A semicolon is a line separator for most assemblers.
It's hard to find these lurking semicolons. Thus... */
#define WARN_COMMENTS 1
#endif
1999-05-03 15:29:11 +08:00
/* FIXME. Why oh why aren't these defined somewhere globally? */
#ifndef FALSE
#define FALSE (0)
#define TRUE (!FALSE)
#endif
#define ASEC_NULL (asection *)0
/* pa_define_label gets used outside of tc-hppa.c via tc_frob_label. */
extern void pa_define_label PARAMS ((symbolS *));
1999-05-03 15:29:11 +08:00
extern void parse_cons_expression_hppa PARAMS ((expressionS *));
extern void cons_fix_new_hppa PARAMS ((fragS *, int, int, expressionS *));
extern int hppa_force_relocation PARAMS ((struct fix *));
1999-05-03 15:29:11 +08:00
/* This gets called before writing the object file to make sure
things like entry/exit and proc/procend pairs match. */
extern void pa_check_eof PARAMS ((void));
#define tc_frob_file pa_check_eof
#define tc_frob_label(sym) pa_define_label (sym)
extern const char hppa_symbol_chars[];
#define tc_symbol_chars hppa_symbol_chars
1999-05-03 15:29:11 +08:00
#define RELOC_EXPANSION_POSSIBLE
#define MAX_RELOC_EXPANSION 6
/* The PA needs to parse field selectors in .byte, etc. */
#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) \
parse_cons_expression_hppa (EXP)
#define TC_CONS_FIX_NEW cons_fix_new_hppa
/* On the PA, an exclamation point can appear in an instruction. It is
used in FP comparison instructions and as an end of line marker.
When used in an instruction it will always follow a comma. */
1999-05-03 15:29:11 +08:00
#define TC_EOL_IN_INSN(PTR) (*(PTR) == '!' && (PTR)[-1] == ',')
int hppa_fix_adjustable PARAMS((struct fix *));
1999-05-03 15:29:11 +08:00
#define tc_fix_adjustable hppa_fix_adjustable
2002-09-05 08:01:18 +08:00
#define EXTERN_FORCE_RELOC 1
1999-05-03 15:29:11 +08:00
/* Because of the strange PA calling conventions, it is sometimes
necessary to emit a relocation for a call even though it would
normally appear safe to handle it completely within GAS. */
2002-09-05 08:01:18 +08:00
#define TC_FORCE_RELOCATION(FIX) hppa_force_relocation (FIX)
1999-05-03 15:29:11 +08:00
gas: * cgen.c, cgen.h, tc.h, write.c, config/obj-coff.c * config/tc-a29k.c, config/tc-alpha.c, config/tc-alpha.h * config/tc-arc.c, config/tc-arc.h, config/tc-arm.c * config/tc-arm.h, config/tc-avr.c, config/tc-avr.h * config/tc-cris.c, config/tc-crx.c, config/tc-d10v.c * config/tc-d10v.h, config/tc-d30v.c, config/tc-d30v.h * config/tc-dlx.c, config/tc-dlx.h, config/tc-fr30.h * config/tc-frv.c, config/tc-frv.h, config/tc-h8300.c * config/tc-h8500.c, config/tc-hppa.c, config/tc-hppa.h * config/tc-i370.c, config/tc-i370.h, config/tc-i386.c * config/tc-i386.h, config/tc-i860.c, config/tc-i860.h * config/tc-i960.c, config/tc-i960.h, config/tc-ia64.c * config/tc-ip2k.c, config/tc-ip2k.h, config/tc-iq2000.c * config/tc-iq2000.h, config/tc-m32r.c, config/tc-m32r.h * config/tc-m68hc11.c, config/tc-m68hc11.h, config/tc-m68k.c * config/tc-m68k.h, config/tc-m88k.c, config/tc-maxq.c * config/tc-mcore.c, config/tc-mcore.h, config/tc-mips.c * config/tc-mips.h, config/tc-mmix.c, config/tc-mn10200.c * config/tc-mn10300.c, config/tc-msp430.c, config/tc-ns32k.c * config/tc-openrisc.h, config/tc-or32.c, config/tc-or32.h * config/tc-pdp11.c, config/tc-pj.c, config/tc-pj.h * config/tc-ppc.c, config/tc-ppc.h, config/tc-s390.c * config/tc-s390.h, config/tc-sh64.c, config/tc-sh.c * config/tc-sh.h, config/tc-sparc.c, config/tc-sparc.h * config/tc-tahoe.c, config/tc-tic30.c, config/tc-tic4x.c * config/tc-tic54x.c, config/tc-tic80.c, config/tc-v850.c * config/tc-v850.h, config/tc-vax.c, config/tc-vax.h * config/tc-w65.c, config/tc-xstormy16.c, config/tc-xstormy16.h * config/tc-xtensa.c, config/tc-z8k.c: Replace all instances of the string "_apply_fix3" with "_apply_fix". * po/POTFILES.in, po/gas.pot: Regenerate. bfd: * coff-i386.c: Change md_apply_fix3 to md_apply_fix in comment. cgen: * doc/porting.texi: Change all mention of md_apply_fix3 and gas_cgen_md_apply_fix3 to md_apply_fix and gas_cgen_md_apply_fix respectively.
2005-06-08 01:54:22 +08:00
/* Values passed to md_apply_fix don't include the symbol value. */
#define MD_APPLY_SYM_VALUE(FIX) 0
1999-05-03 15:29:11 +08:00
#ifdef OBJ_SOM
/* If a symbol is imported, but never used, then the symbol should
*not* end up in the symbol table. Likewise for absolute symbols
with local scope. */
#define tc_frob_symbol(sym,punt) \
if ((S_GET_SEGMENT (sym) == &bfd_und_section && ! symbol_used_p (sym)) \
1999-05-03 15:29:11 +08:00
|| (S_GET_SEGMENT (sym) == &bfd_abs_section \
&& ! S_IS_EXTERNAL (sym))) \
1999-05-03 15:29:11 +08:00
punt = 1
/* We need to be able to make relocations involving the difference of
two symbols. This includes the difference of two symbols when
one of them is undefined (this comes up in PIC code generation).
1999-05-03 15:29:11 +08:00
We don't define DIFF_EXPR_OK because it does the wrong thing if
the add symbol is undefined and the sub symbol is a symbol in
the same section as the relocation. We also need some way to
specialize some code in adjust_reloc_syms. */
#define UNDEFINED_DIFFERENCE_OK
#endif
#ifdef OBJ_ELF
#define DIFF_EXPR_OK 1
/* Handle .type psuedo. Given a type string of `millicode', set the
internal elf symbol type to STT_PARISC_MILLI, and return
BSF_FUNCTION for the BFD symbol type. */
#define md_elf_symbol_type(name, sym, elf) \
((strcmp ((name), "millicode") == 0 \
|| strcmp ((name), "STT_PARISC_MILLI") == 0) \
? (((elf)->internal_elf_sym.st_info = ELF_ST_INFO \
(ELF_ST_BIND ((elf)->internal_elf_sym.st_info), STT_PARISC_MILLI)\
), BSF_FUNCTION) \
: -1)
1999-05-03 15:29:11 +08:00
#define tc_frob_symbol(sym,punt) \
{ \
if ((S_GET_SEGMENT (sym) == &bfd_und_section && ! symbol_used_p (sym) && \
ELF_ST_VISIBILITY (S_GET_OTHER (sym)) == STV_DEFAULT) \
1999-05-03 15:29:11 +08:00
|| (S_GET_SEGMENT (sym) == &bfd_abs_section \
&& ! S_IS_EXTERNAL (sym)) \
|| strcmp (S_GET_NAME (sym), "$global$") == 0 \
|| strcmp (S_GET_NAME (sym), "$PIC_pcrel$0") == 0) \
1999-05-03 15:29:11 +08:00
punt = 1; \
}
#define elf_tc_final_processing elf_hppa_final_processing
void elf_hppa_final_processing PARAMS ((void));
* as.c (debug_type): Init to DEBUG_UNSPECIFIED. * as.h (debug_type): Clarify documentation of the meaning of this variable. * dwarf2dbg.c (DWARF2_LINE_MIN_INSN_LENGTH): Default to 1. (print_stats): Fix parenthesis problem. (now_subseg_size): New. (dwarf2_finish): Use it. If DEBUG_DWARF2, emit bits for .debug_info. (dwarf2_directive_file): Don't set debug_type. (dwarf2_where): Honor DEBUG_DWARF2 first. (dwarf2_emit_insn): Renamed from dwarf2_generate_asm_lineno; do nothing if not emitting dwarf2 debug info, or no work. * dwarf2dbg.h (dwarf2_emit_insn): Update. * ecoff.c (add_file): Turn on DEBUG_ECOFF only if DEBUG_UNSPECIFIED. (ecoff_new_file): Likewise. * read.c (generate_lineno_debug): Kill ecoff hackery. Update commentary wrt dwarf2. * config/tc-alpha.c (alpha_adjust_symtab_relocs): Add ATTRIBUTE_UNUSED as needed. (emit_insn): Call dwarf2_emit_insn. (s_alpha_file): New. (s_alpha_loc): New. (s_alpha_coff_wrapper): Don't handle them. (md_pseudo_table): Update for .file and .loc. * config/tc-alpha.h (DWARF2_LINE_MIN_INSN_LENGTH): New. * config/tc-arm.c (output_inst): Update for dwarf2_emit_insn; don't protect with debug_type. * config/tc-hppa.c (md_assemble): Likewise. * config/tc-m68hc11.c (m68hc11_new_insn): Likewise. * config/tc-mn10300.c (md_assemble): Likewise. * config/tc-sh.c (md_assemble): Likewise. * config/tc-v850.c (md_assemble): Likewise. * config/tc-arm.c (arm_end_of_source): Remove. * config/tc-hppa.c (pa_end_of_source): Remove. * config/tc-m68hc11.c (m68hc11_end_of_source): Remove. * config/tc-mn10300.c (mn10300_finalize): Remove. * config/tc-sh.c (sh_finalize): Remove. * config/tc-v850.c (sh_finalize): Remove. * config/tc-arm.h (md_end): Remove. * config/tc-hppa.h (md_end): Remove. (DWARF2_LINE_MIN_INSN_LENGTH): New. * config/tc-m68hc11.h (md_end): Remove. * config/tc-mn10300.h (md_end): Remove. * config/tc-sh.h (md_end): Remove. * config/tc-v850.h (md_end): Remove. * config/tc-ia64.c (emit_one_bundle): Don't protect dwarf2 bits with debug_type. (md_assemble): Likewise. (ia64_end_of_source): Don't call dwarf2_finish.
2000-11-17 16:47:52 +08:00
#define DWARF2_LINE_MIN_INSN_LENGTH 4
#endif /* OBJ_ELF */
#define md_operand(x)
1999-05-03 15:29:11 +08:00
2000-09-05 11:45:18 +08:00
/* Allow register expressions to be treated as absolute expressions.
A silly fudge required for backwards compatibility. */
#define md_optimize_expr hppa_force_reg_syms_absolute
int hppa_force_reg_syms_absolute
PARAMS ((expressionS *, operatorT, expressionS *));
1999-05-03 15:29:11 +08:00
#define TC_FIX_TYPE PTR
2002-09-05 08:01:18 +08:00
#define TC_INIT_FIX_DATA(FIX) ((FIX)->tc_fix_data = NULL)
1999-05-03 15:29:11 +08:00
#endif /* _TC_HPPA_H */