/* tc-i386.h -- Header file for tc-i386.c
Copyright 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001
+ 2001, 2002, 2003
Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
#endif
#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_MACH (i386_mach ())
extern unsigned long i386_mach PARAMS ((void));
#define AOUT_TARGET_FORMAT "a.out-i386"
#endif
+#ifdef TE_FreeBSD
+#define ELF_TARGET_FORMAT "elf32-i386-freebsd"
+#endif
+#ifndef ELF_TARGET_FORMAT
+#define ELF_TARGET_FORMAT "elf32-i386"
+#endif
+
#if ((defined (OBJ_MAYBE_COFF) && defined (OBJ_MAYBE_AOUT)) \
|| defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF))
extern const char *i386_target_format PARAMS ((void));
#define TARGET_FORMAT i386_target_format ()
#else
#ifdef OBJ_ELF
-#define TARGET_FORMAT "elf32-i386"
+#define TARGET_FORMAT ELF_TARGET_FORMAT
#endif
#ifdef OBJ_AOUT
#define TARGET_FORMAT AOUT_TARGET_FORMAT
#define BFD_ARCH bfd_arch_i386
#define COFF_FLAGS F_AR32WR
#define TC_COUNT_RELOC(x) ((x)->fx_addsy || (x)->fx_r_type==7)
-#define TC_COFF_FIX2RTYPE(fixP) tc_coff_fix2rtype(fixP)
+#define TC_COFF_FIX2RTYPE(FIX) tc_coff_fix2rtype(FIX)
extern short tc_coff_fix2rtype PARAMS ((struct fix *));
#define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep (frag)
extern int tc_coff_sizemachdep PARAMS ((fragS *frag));
#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 2
#endif
-#define TC_RVA_RELOC 7
-/* Need this for PIC relocations */
-#define NEED_FX_R_TYPE
-
#ifdef TE_386BSD
/* The BSDI linker apparently rejects objects with a machine type of
M_386 (100). */
#define AOUT_MACHTYPE 100
#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
-
-#define TC_FORCE_RELOCATION(fixp) tc_i386_force_relocation(fixp)
-extern int tc_i386_force_relocation PARAMS ((struct fix *));
-
-#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 TE_PE
#ifndef TE_GO32
#endif
#endif
#endif
-#endif
-
-#define LOCAL_LABELS_FB 1
#define tc_aout_pre_write_hook(x) {;} /* not used */
#define tc_crawl_symbol_chain(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[];
#define tc_symbol_chars extra_symbol_chars
#define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_"
#endif
+#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
+
+#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)
+#define TC_VALIDATE_FIX(FIX,SEGTYPE,SKIP) i386_validate_fix(FIX)
+
+#define tc_fix_adjustable(X) tc_i386_fix_adjustable(X)
+extern int tc_i386_fix_adjustable PARAMS ((struct fix *));
+
+/* Values passed to md_apply_fix3 don't include the symbol value. */
+#define MD_APPLY_SYM_VALUE(FIX) 0
+
+/* ELF wants external syms kept, as does PE COFF. */
+#if defined (TE_PE) && defined (STRICT_PE_FORMAT)
+#define EXTERN_FORCE_RELOC \
+ (OUTPUT_FLAVOR == bfd_target_elf_flavour \
+ || OUTPUT_FLAVOR == bfd_target_coff_flavour)
+#else
+#define EXTERN_FORCE_RELOC \
+ (OUTPUT_FLAVOR == bfd_target_elf_flavour)
#endif
-#endif /* TC_I386 */
+/* This expression evaluates to true if the relocation is for a local
+ object for which we still want to do the relocation at runtime.
+ False if we are willing to perform this relocation while building
+ the .o file. GOTOFF does not need to be checked here because it is
+ not pcrel. 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_FORCE_RELOCATION_LOCAL(FIX) \
+ (!(FIX)->fx_pcrel \
+ || (FIX)->fx_plt \
+ || (FIX)->fx_r_type == BFD_RELOC_386_PLT32 \
+ || (FIX)->fx_r_type == BFD_RELOC_386_GOT32 \
+ || (FIX)->fx_r_type == BFD_RELOC_386_GOTPC \
+ || TC_FORCE_RELOCATION (FIX))
+
+#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(FIX) \
+ ((FIX)->fx_r_type == 7 || generic_force_reloc (FIX))
+#endif /* ! BFD_ASSEMBLER */
#define md_operand(x)
extern void sco_id PARAMS ((void));
#endif
-#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */
+/* We want .cfi_* pseudo-ops for generating unwind info. */
+#define TARGET_USE_CFIPOP
+#ifdef TARGET_USE_CFIPOP
+
+#define tc_cfi_init() tc_x86_cfi_init ()
+extern void tc_x86_cfi_init PARAMS ((void));
+
+#define tc_regname_to_dw2regnum tc_x86_regname_to_dw2regnum
+extern unsigned long tc_x86_regname_to_dw2regnum PARAMS ((const char *regname));
+
+#define tc_cfi_frame_initial_instructions tc_x86_frame_initial_instructions
+extern void tc_x86_frame_initial_instructions PARAMS ((void));
+
+#endif /* TARGET_USE_CFIPOP */
+
+#endif /* TC_I386 */
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