Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/arm/elf.h @ 131:84e7813d76e9
gcc-8.2
| author | mir3636 |
|---|---|
| date | Thu, 25 Oct 2018 07:37:49 +0900 |
| parents | 04ced10e8804 |
| children | 1830386684a0 |
| rev | line source |
|---|---|
| 0 | 1 /* Definitions of target machine for GNU compiler. |
| 2 For ARM with ELF obj format. | |
| 131 | 3 Copyright (C) 1995-2018 Free Software Foundation, Inc. |
| 0 | 4 Contributed by Philip Blundell <philb@gnu.org> and |
| 5 Catherine Moore <clm@cygnus.com> | |
| 6 | |
| 7 This file is part of GCC. | |
| 8 | |
| 9 GCC is free software; you can redistribute it and/or modify it | |
| 10 under the terms of the GNU General Public License as published | |
| 11 by the Free Software Foundation; either version 3, or (at your | |
| 12 option) any later version. | |
| 13 | |
| 14 GCC is distributed in the hope that it will be useful, but WITHOUT | |
| 15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
| 16 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
| 17 License for more details. | |
| 18 | |
| 111 | 19 Under Section 7 of GPL version 3, you are granted additional |
| 20 permissions described in the GCC Runtime Library Exception, version | |
| 21 3.1, as published by the Free Software Foundation. | |
| 22 | |
| 23 You should have received a copy of the GNU General Public License and | |
| 24 a copy of the GCC Runtime Library Exception along with this program; | |
| 25 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 0 | 26 <http://www.gnu.org/licenses/>. */ |
| 27 | |
| 28 #ifndef OBJECT_FORMAT_ELF | |
| 29 #error elf.h included before elfos.h | |
| 30 #endif | |
| 31 | |
| 32 #ifndef LOCAL_LABEL_PREFIX | |
| 33 #define LOCAL_LABEL_PREFIX "." | |
| 34 #endif | |
| 35 | |
| 36 #ifndef SUBTARGET_CPP_SPEC | |
| 37 #define SUBTARGET_CPP_SPEC "-D__ELF__" | |
| 38 #endif | |
| 39 | |
| 40 #ifndef SUBTARGET_EXTRA_SPECS | |
| 41 #define SUBTARGET_EXTRA_SPECS \ | |
| 42 { "subtarget_extra_asm_spec", SUBTARGET_EXTRA_ASM_SPEC }, \ | |
| 43 { "subtarget_asm_float_spec", SUBTARGET_ASM_FLOAT_SPEC }, \ | |
| 44 SUBSUBTARGET_EXTRA_SPECS | |
| 45 #endif | |
| 46 | |
| 47 #ifndef SUBTARGET_EXTRA_ASM_SPEC | |
| 48 #define SUBTARGET_EXTRA_ASM_SPEC "" | |
| 49 #endif | |
| 50 | |
| 51 #ifndef SUBTARGET_ASM_FLOAT_SPEC | |
| 52 #define SUBTARGET_ASM_FLOAT_SPEC "\ | |
| 53 %{mapcs-float:-mfloat}" | |
| 54 #endif | |
| 55 | |
| 56 #undef SUBSUBTARGET_EXTRA_SPECS | |
| 57 #define SUBSUBTARGET_EXTRA_SPECS | |
| 58 | |
| 59 #ifndef ASM_SPEC | |
| 60 #define ASM_SPEC "\ | |
| 61 %{mbig-endian:-EB} \ | |
| 62 %{mlittle-endian:-EL} \ | |
| 111 | 63 %(asm_cpu_spec) \ |
| 0 | 64 %{mapcs-*:-mapcs-%*} \ |
| 65 %(subtarget_asm_float_spec) \ | |
| 66 %{mthumb-interwork:-mthumb-interwork} \ | |
| 111 | 67 %{mfloat-abi=*} %{!mfpu=auto: %{mfpu=*}} \ |
| 0 | 68 %(subtarget_extra_asm_spec)" |
| 69 #endif | |
| 70 | |
| 71 /* The ARM uses @ are a comment character so we need to redefine | |
| 72 TYPE_OPERAND_FMT. */ | |
| 73 #undef TYPE_OPERAND_FMT | |
| 74 #define TYPE_OPERAND_FMT "%%%s" | |
| 75 | |
| 76 /* We might need a ARM specific header to function declarations. */ | |
| 77 #undef ASM_DECLARE_FUNCTION_NAME | |
| 111 | 78 #define ASM_DECLARE_FUNCTION_NAME arm_asm_declare_function_name |
| 0 | 79 |
| 80 /* We might need an ARM specific trailer for function declarations. */ | |
| 81 #undef ASM_DECLARE_FUNCTION_SIZE | |
| 82 #define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \ | |
| 83 do \ | |
| 84 { \ | |
| 85 ARM_OUTPUT_FN_UNWIND (FILE, FALSE); \ | |
| 86 if (!flag_inhibit_size_directive) \ | |
| 87 ASM_OUTPUT_MEASURED_SIZE (FILE, FNAME); \ | |
| 88 } \ | |
| 89 while (0) | |
| 90 | |
| 91 /* Define this macro if jump tables (for `tablejump' insns) should be | |
| 92 output in the text section, along with the assembler instructions. | |
| 93 Otherwise, the readonly data section is used. */ | |
| 94 /* We put ARM and Thumb-2 jump tables in the text section, because it makes | |
| 95 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
|
96 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
|
97 #define JUMP_TABLES_IN_TEXT_SECTION \ |
| 111 | 98 ((TARGET_32BIT || (TARGET_THUMB && (optimize_size || flag_pic))) \ |
| 99 && !target_pure_code) | |
| 0 | 100 |
| 101 #ifndef LINK_SPEC | |
| 102 #define LINK_SPEC "%{mbig-endian:-EB} %{mlittle-endian:-EL} -X" | |
| 103 #endif | |
| 104 | |
| 105 /* Run-time Target Specification. */ | |
| 106 #ifndef TARGET_DEFAULT | |
| 107 #define TARGET_DEFAULT (MASK_APCS_FRAME) | |
| 108 #endif | |
| 109 | |
| 110 | |
| 111 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE true | |
| 112 | |
| 113 | |
| 114 /* Output an element in the static constructor array. */ | |
| 115 #undef TARGET_ASM_CONSTRUCTOR | |
| 116 #define TARGET_ASM_CONSTRUCTOR arm_elf_asm_constructor | |
| 117 | |
| 118 #undef TARGET_ASM_DESTRUCTOR | |
| 119 #define TARGET_ASM_DESTRUCTOR arm_elf_asm_destructor | |
| 120 | |
| 121 /* For PIC code we need to explicitly specify (PLT) and (GOT) relocs. */ | |
| 122 #define NEED_PLT_RELOC flag_pic | |
| 123 #define NEED_GOT_RELOC flag_pic | |
| 124 | |
| 125 /* The ELF assembler handles GOT addressing differently to NetBSD. */ | |
| 126 #define GOT_PCREL 0 | |
| 127 | |
| 128 /* Align output to a power of two. Note ".align 0" is redundant, | |
| 129 and also GAS will treat it as ".align 2" which we do not want. */ | |
| 130 #define ASM_OUTPUT_ALIGN(STREAM, POWER) \ | |
| 131 do \ | |
| 132 { \ | |
| 133 if ((POWER) > 0) \ | |
| 134 fprintf (STREAM, "\t.align\t%d\n", POWER); \ | |
| 135 } \ | |
| 136 while (0) | |
| 137 | |
| 138 /* Horrible hack: We want to prevent some libgcc routines being included | |
| 111 | 139 for some multilibs. The condition should match the one in |
| 140 libgcc/config/arm/lib1funcs.S. */ | |
| 141 #if __ARM_ARCH_ISA_ARM || __ARM_ARCH_ISA_THUMB != 1 | |
| 0 | 142 #undef L_fixdfsi |
| 143 #undef L_fixunsdfsi | |
| 144 #undef L_truncdfsf2 | |
| 145 #undef L_fixsfsi | |
| 146 #undef L_fixunssfsi | |
| 147 #undef L_floatdidf | |
| 148 #undef L_floatdisf | |
| 149 #undef L_floatundidf | |
| 150 #undef L_floatundisf | |
| 151 #endif | |
| 152 |