| /* This file is tc-arm.h |
| Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999 |
| 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 |
| |
| #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 |
| #endif /* OBJ_AOUT */ |
| |
| #ifdef OBJ_AIF |
| #define TARGET_FORMAT "aif" |
| #endif |
| |
| #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 *)); |
| #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 |
| # 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 |
| #endif |
| |
| #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 md_convert_frag(b, s, f) {as_fatal (_("arm convert_frag\n"));} |
| |
| #define md_cleanup() arm_cleanup () |
| extern void arm_cleanup PARAMS ((void)); |
| |
| #define md_start_line_hook() arm_start_line_hook () |
| extern void arm_start_line_hook PARAMS ((void)); |
| |
| #define tc_frob_label(S) arm_frob_label (S) |
| 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) |
| |
| /* NOTE: The fake label creation in stabs.c:s_stab_generic() has |
| 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 |
| #endif |
| |
| /* 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 suppports 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_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)); |
| |
| #define tc_canonicalize_symbol_name(str) \ |
| arm_canonicalize_symbol_name (str); |
| char * arm_canonicalize_symbol_name PARAMS ((char *)); |
| |
| #define obj_adjust_symtab() arm_adjust_symtab () |
| extern void arm_adjust_symtab PARAMS ((void)); |
| |
| #ifdef OBJ_ELF |
| #define obj_frob_symbol(sym, punt) armelf_frob_symbol (sym, punt) |
| #endif |
| |
| #define tc_aout_pre_write_hook(x) {;} /* not used */ |
| |
| #define LISTING_HEADER "ARM GAS " |
| |
| #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 |
| 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_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 */ |