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* config/tc-i386.h: Reorganize.

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This commit is contained in:
Alan Modra 2002-08-09 12:37:41 +00:00
parent 0c11417f42
commit 6088b00e51
2 changed files with 86 additions and 85 deletions
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6
gas/ChangeLog
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@ -1,3 +1,7 @@
2002-08-09 Alan Modra <amodra@bigpond.net.au>
* config/tc-i386.h: Reorganize.
2002-08-09 Maciej W. Rozycki <macro@ds2.pg.gda.pl> 2002-08-09 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
* config/tc-mips.c (macro): Handle a register plus a 16-bit * config/tc-mips.c (macro): Handle a register plus a 16-bit
@ -2528,7 +2532,7 @@
2002-01-11 Richard Earnshaw <rearnsha@arm.com> 2002-01-11 Richard Earnshaw <rearnsha@arm.com>
* tc-arm.c ((do_ldst): Fix handling an immediate expression pseudo * tc-arm.c (do_ldst): Fix handling an immediate expression pseudo
op that can be translated into a mvn instruction. op that can be translated into a mvn instruction.
2002-01-11 Steve Ellcey <sje@cup.hp.com> 2002-01-11 Steve Ellcey <sje@cup.hp.com>

161
gas/config/tc-i386.h
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@ -1,6 +1,6 @@
/* tc-i386.h -- Header file for tc-i386.c /* tc-i386.h -- Header file for tc-i386.c
Copyright 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, Copyright 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2001 2001, 2002
Free Software Foundation, Inc. Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler. This file is part of GAS, the GNU Assembler.
@ -34,44 +34,6 @@ struct fix;
#endif #endif
#ifdef BFD_ASSEMBLER #ifdef BFD_ASSEMBLER
/* This is used to determine relocation types in tc-i386.c. The first
parameter is the current relocation type, the second one is the desired
type. The idea is that if the original type is already some kind of PIC
relocation, we leave it alone, otherwise we give it the desired type */
#define tc_fix_adjustable(X) tc_i386_fix_adjustable(X)
extern int tc_i386_fix_adjustable PARAMS ((struct fix *));
#if (defined (OBJ_MAYBE_ELF) || defined (OBJ_ELF) || defined (OBJ_MAYBE_COFF) || defined (OBJ_COFF)) && !defined (TE_PE)
/* This arranges for gas/write.c to not apply a relocation if
tc_fix_adjustable() says it is not adjustable.
The "! symbol_used_in_reloc_p" test is there specifically to cover
the case of non-global symbols in linkonce sections. It's the
generally correct thing to do though; If a reloc is going to be
emitted against a symbol then we don't want to adjust the fixup by
applying the reloc during assembly. The reloc will be applied by
the linker during final link. */
#define TC_FIX_ADJUSTABLE(fixP) \
(! symbol_used_in_reloc_p ((fixP)->fx_addsy) && tc_fix_adjustable (fixP))
#endif
/* This expression evaluates to false if the relocation is for a local object
for which we still want to do the relocation at runtime. True if we
are willing to perform this relocation while building the .o file.
This is only used for pcrel relocations, so GOTOFF does not need to be
checked here. I am not sure if some of the others are ever used with
pcrel, but it is easier to be safe than sorry. */
#define TC_RELOC_RTSYM_LOC_FIXUP(FIX) \
((FIX)->fx_r_type != BFD_RELOC_386_PLT32 \
&& (FIX)->fx_r_type != BFD_RELOC_386_GOT32 \
&& (FIX)->fx_r_type != BFD_RELOC_386_GOTPC \
&& ((FIX)->fx_addsy == NULL \
|| (! S_IS_EXTERNAL ((FIX)->fx_addsy) \
&& ! S_IS_WEAK ((FIX)->fx_addsy) \
&& S_IS_DEFINED ((FIX)->fx_addsy) \
&& ! S_IS_COMMON ((FIX)->fx_addsy))))
#define TARGET_ARCH bfd_arch_i386 #define TARGET_ARCH bfd_arch_i386
#define TARGET_MACH (i386_mach ()) #define TARGET_MACH (i386_mach ())
extern unsigned long i386_mach PARAMS ((void)); extern unsigned long i386_mach PARAMS ((void));
@ -146,10 +108,6 @@ extern int tc_coff_sizemachdep PARAMS ((fragS *frag));
#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 2 #define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 2
#endif #endif
#define TC_RVA_RELOC 7
/* Need this for PIC relocations */
#define NEED_FX_R_TYPE
#ifdef TE_386BSD #ifdef TE_386BSD
/* The BSDI linker apparently rejects objects with a machine type of /* The BSDI linker apparently rejects objects with a machine type of
M_386 (100). */ M_386 (100). */
@ -158,37 +116,6 @@ extern int tc_coff_sizemachdep PARAMS ((fragS *frag));
#define AOUT_MACHTYPE 100 #define AOUT_MACHTYPE 100
#endif #endif
#undef REVERSE_SORT_RELOCS
#endif /* ! BFD_ASSEMBLER */
#ifndef LEX_AT
#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) x86_cons (EXP, NBYTES)
extern void x86_cons PARAMS ((expressionS *, int));
#define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) x86_cons_fix_new(FRAG, OFF, LEN, EXP)
extern void x86_cons_fix_new
PARAMS ((fragS *, unsigned int, unsigned int, expressionS *));
#endif
#ifdef BFD_ASSEMBLER
#define TC_FORCE_RELOCATION(FIXP) \
((FIXP)->fx_r_type == BFD_RELOC_VTABLE_INHERIT \
|| (FIXP)->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
#else
/* For COFF. */
#define TC_FORCE_RELOCATION(FIXP) \
((FIXP)->fx_r_type == 7)
#endif
#ifdef BFD_ASSEMBLER
#define NO_RELOC BFD_RELOC_NONE
#else
#define NO_RELOC 0
#endif
#define tc_coff_symbol_emit_hook(a) ; /* not used */
#ifndef BFD_ASSEMBLER
#ifndef OBJ_AOUT #ifndef OBJ_AOUT
#ifndef TE_PE #ifndef TE_PE
#ifndef TE_GO32 #ifndef TE_GO32
@ -198,13 +125,15 @@ extern void x86_cons_fix_new
#endif #endif
#endif #endif
#endif #endif
#endif
#define LOCAL_LABELS_FB 1
#define tc_aout_pre_write_hook(x) {;} /* not used */ #define tc_aout_pre_write_hook(x) {;} /* not used */
#define tc_crawl_symbol_chain(a) {;} /* not used */ #define tc_crawl_symbol_chain(a) {;} /* not used */
#define tc_headers_hook(a) {;} /* not used */ #define tc_headers_hook(a) {;} /* not used */
#define tc_coff_symbol_emit_hook(a) {;} /* not used */
#endif /* ! BFD_ASSEMBLER */
#define LOCAL_LABELS_FB 1
extern const char extra_symbol_chars[]; extern const char extra_symbol_chars[];
#define tc_symbol_chars extra_symbol_chars #define tc_symbol_chars extra_symbol_chars
@ -511,12 +440,80 @@ arch_entry;
#define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_" #define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_"
#endif #endif
#ifdef BFD_ASSEMBLER #ifndef LEX_AT
void i386_validate_fix PARAMS ((struct fix *)); #define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) x86_cons (EXP, NBYTES)
#define TC_VALIDATE_FIX(FIXP,SEGTYPE,SKIP) i386_validate_fix(FIXP) extern void x86_cons PARAMS ((expressionS *, int));
#define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) x86_cons_fix_new(FRAG, OFF, LEN, EXP)
extern void x86_cons_fix_new
PARAMS ((fragS *, unsigned int, unsigned int, expressionS *));
#endif #endif
#endif /* TC_I386 */ #define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */
#ifdef BFD_ASSEMBLER
#define NO_RELOC BFD_RELOC_NONE
void i386_validate_fix PARAMS ((struct fix *));
#define TC_VALIDATE_FIX(FIXP,SEGTYPE,SKIP) i386_validate_fix(FIXP)
/* This is used to determine relocation types in tc-i386.c. The first
parameter is the current relocation type, the second one is the desired
type. The idea is that if the original type is already some kind of PIC
relocation, we leave it alone, otherwise we give it the desired type */
#define tc_fix_adjustable(X) tc_i386_fix_adjustable(X)
extern int tc_i386_fix_adjustable PARAMS ((struct fix *));
#if (defined (OBJ_MAYBE_ELF) || defined (OBJ_ELF) || defined (OBJ_MAYBE_COFF) || defined (OBJ_COFF)) && !defined (TE_PE)
/* This arranges for gas/write.c to not apply a relocation if
tc_fix_adjustable() says it is not adjustable.
The "! symbol_used_in_reloc_p" test is there specifically to cover
the case of non-global symbols in linkonce sections. It's the
generally correct thing to do though; If a reloc is going to be
emitted against a symbol then we don't want to adjust the fixup by
applying the reloc during assembly. The reloc will be applied by
the linker during final link. */
#define TC_FIX_ADJUSTABLE(fixP) \
(! symbol_used_in_reloc_p ((fixP)->fx_addsy) && tc_fix_adjustable (fixP))
#endif
#define TC_FORCE_RELOCATION(FIXP) \
((FIXP)->fx_r_type == BFD_RELOC_VTABLE_INHERIT \
|| (FIXP)->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
/* This expression evaluates to false if the relocation is for a local object
for which we still want to do the relocation at runtime. True if we
are willing to perform this relocation while building the .o file.
This is only used for pcrel relocations, so GOTOFF does not need to be
checked here. I am not sure if some of the others are ever used with
pcrel, but it is easier to be safe than sorry. */
#define TC_RELOC_RTSYM_LOC_FIXUP(FIX) \
((FIX)->fx_r_type != BFD_RELOC_386_PLT32 \
&& (FIX)->fx_r_type != BFD_RELOC_386_GOT32 \
&& (FIX)->fx_r_type != BFD_RELOC_386_GOTPC \
&& ((FIX)->fx_addsy == NULL \
|| (! S_IS_EXTERNAL ((FIX)->fx_addsy) \
&& ! S_IS_WEAK ((FIX)->fx_addsy) \
&& S_IS_DEFINED ((FIX)->fx_addsy) \
&& ! S_IS_COMMON ((FIX)->fx_addsy))))
#else /* ! BFD_ASSEMBLER */
#define NO_RELOC 0
#define TC_RVA_RELOC 7
/* Need this for PIC relocations */
#define NEED_FX_R_TYPE
#undef REVERSE_SORT_RELOCS
/* For COFF. */
#define TC_FORCE_RELOCATION(FIXP) \
((FIXP)->fx_r_type == 7)
#endif /* ! BFD_ASSEMBLER */
#define md_operand(x) #define md_operand(x)
@ -552,4 +549,4 @@ void i386_print_statistics PARAMS ((FILE *));
extern void sco_id PARAMS ((void)); extern void sco_id PARAMS ((void));
#endif #endif
#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */ #endif /* TC_I386 */