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Diffstat (limited to 'x/binutils/gas/config/tc-arm.h')
| -rw-r--r-- | x/binutils/gas/config/tc-arm.h | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/x/binutils/gas/config/tc-arm.h b/x/binutils/gas/config/tc-arm.h new file mode 100644 index 0000000..4e791a0 --- /dev/null +++ b/x/binutils/gas/config/tc-arm.h @@ -0,0 +1,211 @@ +/* This file is tc-arm.h + Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2004 + Free Software Foundation, Inc. + Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org) + Modified by David Taylor (dtaylor@armltd.co.uk) + + 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 2, 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, 59 Temple Place - Suite 330, Boston, MA + 02111-1307, USA. */ + +#define TC_ARM 1 + +#ifndef TARGET_BYTES_BIG_ENDIAN +#define TARGET_BYTES_BIG_ENDIAN 0 +#endif + +#define WORKING_DOT_WORD + +#define COFF_MAGIC ARMMAGIC +#define TARGET_ARCH bfd_arch_arm + +#define AOUT_MACHTYPE 0 + +#define DIFF_EXPR_OK + +#ifdef LITTLE_ENDIAN +#undef LITTLE_ENDIAN +#endif + +#ifdef BIG_ENDIAN +#undef BIG_ENDIAN +#endif + +#define LITTLE_ENDIAN 1234 +#define BIG_ENDIAN 4321 + +struct fix; + +#if defined OBJ_AOUT +# if defined TE_RISCIX +# define TARGET_FORMAT "a.out-riscix" +# elif defined TE_LINUX +# define ARM_BI_ENDIAN +# define TARGET_FORMAT "a.out-arm-linux" +# elif defined TE_NetBSD +# define TARGET_FORMAT "a.out-arm-netbsd" +# else +# define ARM_BI_ENDIAN +# define TARGET_FORMAT (target_big_endian ? "a.out-arm-big" : "a.out-arm-little") +# endif +#elif defined OBJ_AIF +# define TARGET_FORMAT "aif" +#elif defined OBJ_COFF +# define ARM_BI_ENDIAN +# if defined TE_PE +# if defined TE_EPOC +# define TARGET_FORMAT (target_big_endian ? "epoc-pe-arm-big" : "epoc-pe-arm-little") +# else +# define TARGET_FORMAT (target_big_endian ? "pe-arm-big" : "pe-arm-little") +# endif +# else +# define TARGET_FORMAT (target_big_endian ? "coff-arm-big" : "coff-arm-little") +# endif +#elif defined OBJ_ELF +# define ARM_BI_ENDIAN +# define TARGET_FORMAT elf32_arm_target_format () +#endif + +#define TC_FORCE_RELOCATION(FIX) arm_force_relocation (FIX) + +#define md_convert_frag(b, s, f) { as_fatal (_("arm convert_frag\n")); } + +#define md_cleanup() arm_cleanup () + +#define md_start_line_hook() arm_start_line_hook () + +#define tc_frob_label(S) arm_frob_label (S) + +/* We also need to mark assembler created symbols: */ +#define tc_frob_fake_label(S) arm_frob_label (S) + +/* NOTE: The fake label creation in stabs.c:s_stab_generic() has + deliberately not been updated to mark assembler created stabs + symbols as Thumb. */ + +#define TC_FIX_TYPE PTR +#define TC_INIT_FIX_DATA(FIX) ((FIX)->tc_fix_data = NULL) + +/* We need to keep some local information on symbols. */ + +#define TC_SYMFIELD_TYPE unsigned int +#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 supports interworking. */ +#define THUMB_FLAG_FUNC (1 << 2) /* The symbol is attached to the start of a Thumb function. */ + +#define ARM_IS_THUMB(s) (ARM_GET_FLAG (s) & ARM_FLAG_THUMB) +#define ARM_IS_INTERWORK(s) (ARM_GET_FLAG (s) & ARM_FLAG_INTERWORK) +#define THUMB_IS_FUNC(s) (ARM_GET_FLAG (s) & THUMB_FLAG_FUNC) + +#define ARM_SET_THUMB(s,t) ((t) ? ARM_SET_FLAG (s, ARM_FLAG_THUMB) : ARM_RESET_FLAG (s, ARM_FLAG_THUMB)) +#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_START_LABEL(C,STR) (c == ':' || (c == '/' && arm_data_in_code ())) +#define tc_canonicalize_symbol_name(str) arm_canonicalize_symbol_name (str); +#define obj_adjust_symtab() arm_adjust_symtab () +#define tc_aout_pre_write_hook(x) {;} /* not used */ + +#define LISTING_HEADER "ARM GAS " + +#define OPTIONAL_REGISTER_PREFIX '%' + +#define LOCAL_LABEL(name) (name[0] == '.' && (name[1] == 'L')) +#define LOCAL_LABELS_FB 1 + +/* 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_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 + +#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) +#define HANDLE_ALIGN(fragp) arm_handle_align (fragp) + +#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; \ + } + +#ifdef OBJ_ELF +# define DWARF2_LINE_MIN_INSN_LENGTH 2 +# define obj_frob_symbol(sym, punt) armelf_frob_symbol ((sym), & (punt)) +# define md_elf_section_change_hook() arm_elf_change_section () +# define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_" +# define LOCAL_LABEL_PREFIX '.' +# define TC_SEGMENT_INFO_TYPE enum mstate + +enum mstate +{ + MAP_UNDEFINED = 0, /* Must be zero, for seginfo in new sections. */ + MAP_DATA, + MAP_ARM, + MAP_THUMB +}; + +#else /* Not OBJ_ELF. */ +#define GLOBAL_OFFSET_TABLE_NAME "__GLOBAL_OFFSET_TABLE_" +#endif + +#if defined OBJ_ELF || defined OBJ_COFF + +# define EXTERN_FORCE_RELOC 1 +# define tc_fix_adjustable(FIX) arm_fix_adjustable (FIX) +/* Values passed to md_apply_fix3 don't include the symbol value. */ +# define MD_APPLY_SYM_VALUE(FIX) 0 +# define TC_VALIDATE_FIX(FIX, SEGTYPE, LABEL) arm_validate_fix (FIX) + +#endif + +extern void arm_frag_align_code (int, int); +extern void arm_validate_fix (struct fix *); +extern const char * elf32_arm_target_format (void); +extern void arm_elf_change_section (void); +extern int arm_force_relocation (struct fix *); +extern void arm_cleanup (void); +extern void arm_start_line_hook (void); +extern void arm_frob_label (symbolS *); +extern int arm_data_in_code (void); +extern char * arm_canonicalize_symbol_name (char *); +extern void arm_adjust_symtab (void); +extern void armelf_frob_symbol (symbolS *, int *); +extern void cons_fix_new_arm (fragS *, int, int, expressionS *); +extern void arm_init_frag (struct frag *); +extern void arm_handle_align (struct frag *); +extern bfd_boolean arm_fix_adjustable (struct fix *); |
