Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/arm/elf.h @ 55:77e2b8dfacca gcc-4.4.5
update it from 4.4.3 to 4.5.0
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 12 Feb 2010 23:39:51 +0900 |
| parents | a06113de4d67 |
| children | 04ced10e8804 |
| rev | line source |
|---|---|
| 0 | 1 /* Definitions of target machine for GNU compiler. |
| 2 For ARM with ELF obj format. | |
| 3 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2004, 2005, 2007, | |
| 4 2008 Free Software Foundation, Inc. | |
| 5 Contributed by Philip Blundell <philb@gnu.org> and | |
| 6 Catherine Moore <clm@cygnus.com> | |
| 7 | |
| 8 This file is part of GCC. | |
| 9 | |
| 10 GCC is free software; you can redistribute it and/or modify it | |
| 11 under the terms of the GNU General Public License as published | |
| 12 by the Free Software Foundation; either version 3, or (at your | |
| 13 option) any later version. | |
| 14 | |
| 15 GCC is distributed in the hope that it will be useful, but WITHOUT | |
| 16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
| 17 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
| 18 License for more details. | |
| 19 | |
| 20 You should have received a copy of the GNU General Public License | |
| 21 along with GCC; see the file COPYING3. If not see | |
| 22 <http://www.gnu.org/licenses/>. */ | |
| 23 | |
| 24 #ifndef OBJECT_FORMAT_ELF | |
| 25 #error elf.h included before elfos.h | |
| 26 #endif | |
| 27 | |
| 28 #ifndef LOCAL_LABEL_PREFIX | |
| 29 #define LOCAL_LABEL_PREFIX "." | |
| 30 #endif | |
| 31 | |
| 32 #ifndef SUBTARGET_CPP_SPEC | |
| 33 #define SUBTARGET_CPP_SPEC "-D__ELF__" | |
| 34 #endif | |
| 35 | |
| 36 #ifndef SUBTARGET_EXTRA_SPECS | |
| 37 #define SUBTARGET_EXTRA_SPECS \ | |
| 38 { "subtarget_extra_asm_spec", SUBTARGET_EXTRA_ASM_SPEC }, \ | |
| 39 { "subtarget_asm_float_spec", SUBTARGET_ASM_FLOAT_SPEC }, \ | |
| 40 SUBSUBTARGET_EXTRA_SPECS | |
| 41 #endif | |
| 42 | |
| 43 #ifndef SUBTARGET_EXTRA_ASM_SPEC | |
| 44 #define SUBTARGET_EXTRA_ASM_SPEC "" | |
| 45 #endif | |
| 46 | |
| 47 #ifndef SUBTARGET_ASM_FLOAT_SPEC | |
| 48 #define SUBTARGET_ASM_FLOAT_SPEC "\ | |
| 49 %{mapcs-float:-mfloat}" | |
| 50 #endif | |
| 51 | |
| 52 #undef SUBSUBTARGET_EXTRA_SPECS | |
| 53 #define SUBSUBTARGET_EXTRA_SPECS | |
| 54 | |
| 55 #ifndef ASM_SPEC | |
| 56 #define ASM_SPEC "\ | |
| 57 %{mbig-endian:-EB} \ | |
| 58 %{mlittle-endian:-EL} \ | |
| 59 %{mcpu=*:-mcpu=%*} \ | |
| 60 %{march=*:-march=%*} \ | |
| 61 %{mapcs-*:-mapcs-%*} \ | |
| 62 %(subtarget_asm_float_spec) \ | |
| 63 %{mthumb-interwork:-mthumb-interwork} \ | |
| 64 %{msoft-float:-mfloat-abi=soft} %{mhard-float:-mfloat-abi=hard} \ | |
| 65 %{mfloat-abi=*} %{mfpu=*} \ | |
| 66 %(subtarget_extra_asm_spec)" | |
| 67 #endif | |
| 68 | |
| 69 /* The ARM uses @ are a comment character so we need to redefine | |
| 70 TYPE_OPERAND_FMT. */ | |
| 71 #undef TYPE_OPERAND_FMT | |
| 72 #define TYPE_OPERAND_FMT "%%%s" | |
| 73 | |
| 74 /* We might need a ARM specific header to function declarations. */ | |
| 75 #undef ASM_DECLARE_FUNCTION_NAME | |
| 76 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ | |
| 77 do \ | |
| 78 { \ | |
| 79 ARM_DECLARE_FUNCTION_NAME (FILE, NAME, DECL); \ | |
| 80 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function"); \ | |
| 81 ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \ | |
| 82 ASM_OUTPUT_LABEL(FILE, NAME); \ | |
| 83 ARM_OUTPUT_FN_UNWIND (FILE, TRUE); \ | |
| 84 } \ | |
| 85 while (0) | |
| 86 | |
| 87 /* We might need an ARM specific trailer for function declarations. */ | |
| 88 #undef ASM_DECLARE_FUNCTION_SIZE | |
| 89 #define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \ | |
| 90 do \ | |
| 91 { \ | |
| 92 ARM_OUTPUT_FN_UNWIND (FILE, FALSE); \ | |
| 93 if (!flag_inhibit_size_directive) \ | |
| 94 ASM_OUTPUT_MEASURED_SIZE (FILE, FNAME); \ | |
| 95 } \ | |
| 96 while (0) | |
| 97 | |
| 98 /* Define this macro if jump tables (for `tablejump' insns) should be | |
| 99 output in the text section, along with the assembler instructions. | |
| 100 Otherwise, the readonly data section is used. */ | |
| 101 /* We put ARM and Thumb-2 jump tables in the text section, because it makes | |
| 102 the code more efficient, but for Thumb-1 it's better to put them out of | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
103 band unless we are generating compressed tables. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
104 #define JUMP_TABLES_IN_TEXT_SECTION \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
105 (TARGET_32BIT || (TARGET_THUMB && (optimize_size || flag_pic))) |
| 0 | 106 |
| 107 #ifndef LINK_SPEC | |
| 108 #define LINK_SPEC "%{mbig-endian:-EB} %{mlittle-endian:-EL} -X" | |
| 109 #endif | |
| 110 | |
| 111 /* Run-time Target Specification. */ | |
| 112 #ifndef TARGET_VERSION | |
| 113 #define TARGET_VERSION fputs (" (ARM/elf)", stderr) | |
| 114 #endif | |
| 115 | |
| 116 #ifndef TARGET_DEFAULT | |
| 117 #define TARGET_DEFAULT (MASK_APCS_FRAME) | |
| 118 #endif | |
| 119 | |
| 120 #ifndef MULTILIB_DEFAULTS | |
| 121 #define MULTILIB_DEFAULTS \ | |
| 122 { "marm", "mlittle-endian", "msoft-float", "mno-thumb-interwork", "fno-leading-underscore" } | |
| 123 #endif | |
| 124 | |
| 125 #define TARGET_ASM_FILE_START_APP_OFF true | |
| 126 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE true | |
| 127 | |
| 128 | |
| 129 /* Output an element in the static constructor array. */ | |
| 130 #undef TARGET_ASM_CONSTRUCTOR | |
| 131 #define TARGET_ASM_CONSTRUCTOR arm_elf_asm_constructor | |
| 132 | |
| 133 #undef TARGET_ASM_DESTRUCTOR | |
| 134 #define TARGET_ASM_DESTRUCTOR arm_elf_asm_destructor | |
| 135 | |
| 136 /* For PIC code we need to explicitly specify (PLT) and (GOT) relocs. */ | |
| 137 #define NEED_PLT_RELOC flag_pic | |
| 138 #define NEED_GOT_RELOC flag_pic | |
| 139 | |
| 140 /* The ELF assembler handles GOT addressing differently to NetBSD. */ | |
| 141 #define GOT_PCREL 0 | |
| 142 | |
| 143 /* Align output to a power of two. Note ".align 0" is redundant, | |
| 144 and also GAS will treat it as ".align 2" which we do not want. */ | |
| 145 #define ASM_OUTPUT_ALIGN(STREAM, POWER) \ | |
| 146 do \ | |
| 147 { \ | |
| 148 if ((POWER) > 0) \ | |
| 149 fprintf (STREAM, "\t.align\t%d\n", POWER); \ | |
| 150 } \ | |
| 151 while (0) | |
| 152 | |
| 153 /* Horrible hack: We want to prevent some libgcc routines being included | |
| 154 for some multilibs. */ | |
| 155 #ifndef __ARM_ARCH_6M__ | |
| 156 #undef L_fixdfsi | |
| 157 #undef L_fixunsdfsi | |
| 158 #undef L_truncdfsf2 | |
| 159 #undef L_fixsfsi | |
| 160 #undef L_fixunssfsi | |
| 161 #undef L_floatdidf | |
| 162 #undef L_floatdisf | |
| 163 #undef L_floatundidf | |
| 164 #undef L_floatundisf | |
| 165 #endif | |
| 166 |