/* This file is tc-arm.h
- Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+ Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
+ Free Software Foundation, Inc.
Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org)
Modified by David Taylor (dtaylor@armltd.co.uk)
#define TARGET_FORMAT "aif"
#endif
+struct fix;
+
#if defined OBJ_COFF || defined OBJ_ELF
# define ARM_BI_ENDIAN
-
-# define TC_VALIDATE_FIX(fixP, segType, Label) \
- if (arm_validate_fix (fixP)) add_symbolP = fixP->fx_addsy
- extern boolean arm_validate_fix PARAMS ((struct fix *));
+
+# define TC_VALIDATE_FIX(FIX, SEGTYPE, LABEL) arm_validate_fix (FIX)
+ extern void arm_validate_fix PARAMS ((struct fix *));
#endif
-
+
#ifdef OBJ_COFF
# if defined TE_PE
-# define TC_FORCE_RELOCATION(x) ((x)->fx_r_type == BFD_RELOC_RVA)
# ifdef TE_EPOC
# define TARGET_FORMAT (target_big_endian ? "epoc-pe-arm-big" : "epoc-pe-arm-little")
# else
#ifdef OBJ_ELF
# define TARGET_FORMAT elf32_arm_target_format()
extern const char * elf32_arm_target_format PARAMS ((void));
-
-# define TC_FORCE_RELOCATION(fixp) arm_force_relocation (fixp)
- extern int arm_force_relocation PARAMS ((struct fix *));
#endif
+#define TC_FORCE_RELOCATION(FIX) arm_force_relocation (FIX)
+extern int arm_force_relocation PARAMS ((struct fix *));
+
#define md_convert_frag(b, s, f) {as_fatal (_("arm convert_frag\n"));}
#define md_cleanup() arm_cleanup ()
extern void arm_start_line_hook PARAMS ((void));
#define tc_frob_label(S) arm_frob_label (S)
- extern void arm_frob_label PARAMS ((struct symbol *));
+ extern void arm_frob_label PARAMS ((symbolS *));
/* We also need to mark assembler created symbols: */
#define tc_frob_fake_label(S) arm_frob_label (S)
deliberately not been updated to mark assembler created stabs
symbols as Thumb. */
-#ifdef OBJ_ELF
-#define obj_fix_adjustable(fixP) arm_fix_adjustable (fixP)
-#else
-#define obj_fix_adjustable(fixP) 0
+#define TC_FIX_TYPE PTR
+#define TC_INIT_FIX_DATA(FIX) ((FIX)->tc_fix_data = NULL)
+
+#if defined OBJ_ELF || defined OBJ_COFF
+#define EXTERN_FORCE_RELOC 1
+
+#define tc_fix_adjustable(FIX) arm_fix_adjustable (FIX)
+bfd_boolean arm_fix_adjustable PARAMS ((struct fix *));
+
+/* Values passed to md_apply_fix3 don't include the symbol value. */
+#define MD_APPLY_SYM_VALUE(FIX) 0
#endif
/* We need to keep some local information on symbols. */
#define TC_SYMFIELD_TYPE unsigned int
-#define ARM_GET_FLAG(s) ((s)->sy_tc)
-#define ARM_SET_FLAG(s,v) ((s)->sy_tc |= (v))
-#define ARM_RESET_FLAG(s,v) ((s)->sy_tc &= ~(v))
+#define ARM_GET_FLAG(s) (*symbol_get_tc (s))
+#define ARM_SET_FLAG(s,v) (*symbol_get_tc (s) |= (v))
+#define ARM_RESET_FLAG(s,v) (*symbol_get_tc (s) &= ~(v))
#define ARM_FLAG_THUMB (1 << 0) /* The symbol is a Thumb symbol rather than an Arm symbol. */
#define ARM_FLAG_INTERWORK (1 << 1) /* The symbol is attached to code that suppports interworking. */
#define ARM_SET_INTERWORK(s,t) ((t) ? ARM_SET_FLAG (s, ARM_FLAG_INTERWORK) : ARM_RESET_FLAG (s, ARM_FLAG_INTERWORK))
#define THUMB_SET_FUNC(s,t) ((t) ? ARM_SET_FLAG (s, THUMB_FLAG_FUNC) : ARM_RESET_FLAG (s, THUMB_FLAG_FUNC))
-
-#define TC_FIX_TYPE PTR
-#define TC_INIT_FIX_DATA(FIXP) ((FIXP)->tc_fix_data = NULL)
-
#define TC_START_LABEL(C,STR) \
(c == ':' || (c == '/' && arm_data_in_code ()))
int arm_data_in_code PARAMS ((void));
extern void arm_adjust_symtab PARAMS ((void));
#ifdef OBJ_ELF
-#define obj_frob_symbol(sym, punt) armelf_frob_symbol (sym, punt)
+#define obj_frob_symbol(sym, punt) armelf_frob_symbol ((sym), & (punt))
+void armelf_frob_symbol PARAMS ((symbolS *, int *));
#endif
#define tc_aout_pre_write_hook(x) {;} /* not used */
#define OPTIONAL_REGISTER_PREFIX '%'
-#define md_operand(x)
-
-#define TC_HANDLES_FX_DONE
-
-#define MD_APPLY_FIX3
-
#define LOCAL_LABEL(name) (name[0] == '.' && (name[1] == 'L'))
#define LOCAL_LABELS_FB 1
+#ifdef OBJ_ELF
+#define LOCAL_LABEL_PREFIX '.'
+#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
+/* 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_RELOC_RTSYM_LOC_FIXUP(FIX) \
- ( (FIX)->fx_r_type != BFD_RELOC_ARM_GOT12 \
- && (FIX)->fx_r_type != BFD_RELOC_ARM_GOT32 \
- && (FIX)->fx_r_type != BFD_RELOC_32)
+#define TC_FORCE_RELOCATION_LOCAL(FIX) \
+ (!(FIX)->fx_pcrel \
+ || (FIX)->fx_plt \
+ || (FIX)->fx_r_type == BFD_RELOC_ARM_GOT12 \
+ || (FIX)->fx_r_type == BFD_RELOC_ARM_GOT32 \
+ || (FIX)->fx_r_type == BFD_RELOC_32 \
+ || TC_FORCE_RELOCATION (FIX))
#define TC_CONS_FIX_NEW cons_fix_new_arm
extern void cons_fix_new_arm PARAMS ((fragS *, int, int, expressionS *));
-/* Don't allow symbols to be discarded on GOT related relocs,
- nor on globals. */
-#define tc_fix_adjustable(x) (\
- ((x)->fx_r_type == BFD_RELOC_ARM_PLT32 \
- || (x)->fx_r_type == BFD_RELOC_ARM_GOT32 \
- || (x)->fx_r_type == BFD_RELOC_ARM_GOTOFF \
- || S_IS_EXTERN ((x)->fx_addsy) \
- || S_IS_WEAK ((x)->fx_addsy)) ? 0 : 1)
-
#ifdef OBJ_ELF
#define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_"
#else
#define GLOBAL_OFFSET_TABLE_NAME "__GLOBAL_OFFSET_TABLE_"
#endif
-
-/* end of tc-arm.h */
+
+#ifdef OBJ_ELF
+#define DWARF2_LINE_MIN_INSN_LENGTH 2
+#endif
+
+#define MAX_MEM_FOR_RS_ALIGN_CODE 31
+
+/* For frags in code sections we need to record whether they contain
+ ARM code or THUMB code. This is that if they have to be aligned,
+ they can contain the correct type of no-op instruction. */
+#define TC_FRAG_TYPE int
+#define TC_FRAG_INIT(fragp) arm_init_frag (fragp)
+extern void arm_init_frag PARAMS ((struct frag *));
+
+#define HANDLE_ALIGN(fragp) arm_handle_align (fragp)
+extern void arm_handle_align PARAMS ((struct frag *));
+
+#define md_do_align(N, FILL, LEN, MAX, LABEL) \
+ if (FILL == NULL && (N) != 0 && ! need_pass_2 && subseg_text_p (now_seg)) \
+ { \
+ arm_frag_align_code (N, MAX); \
+ goto LABEL; \
+ }
+extern void arm_frag_align_code PARAMS ((int, int));
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