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comparison gcc/config/arm/elf.h @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents 77e2b8dfacca
children 84e7813d76e9
comparison
equal deleted inserted replaced
68:561a7518be6b 111:04ced10e8804
1 /* Definitions of target machine for GNU compiler. 1 /* Definitions of target machine for GNU compiler.
2 For ARM with ELF obj format. 2 For ARM with ELF obj format.
3 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2004, 2005, 2007, 3 Copyright (C) 1995-2017 Free Software Foundation, Inc.
4 2008 Free Software Foundation, Inc.
5 Contributed by Philip Blundell <philb@gnu.org> and 4 Contributed by Philip Blundell <philb@gnu.org> and
6 Catherine Moore <clm@cygnus.com> 5 Catherine Moore <clm@cygnus.com>
7 6
8 This file is part of GCC. 7 This file is part of GCC.
9 8
15 GCC is distributed in the hope that it will be useful, but WITHOUT 14 GCC is distributed in the hope that it will be useful, but WITHOUT
16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
17 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 16 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
18 License for more details. 17 License for more details.
19 18
20 You should have received a copy of the GNU General Public License 19 Under Section 7 of GPL version 3, you are granted additional
21 along with GCC; see the file COPYING3. If not see 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
22 <http://www.gnu.org/licenses/>. */ 26 <http://www.gnu.org/licenses/>. */
23 27
24 #ifndef OBJECT_FORMAT_ELF 28 #ifndef OBJECT_FORMAT_ELF
25 #error elf.h included before elfos.h 29 #error elf.h included before elfos.h
26 #endif 30 #endif
54 58
55 #ifndef ASM_SPEC 59 #ifndef ASM_SPEC
56 #define ASM_SPEC "\ 60 #define ASM_SPEC "\
57 %{mbig-endian:-EB} \ 61 %{mbig-endian:-EB} \
58 %{mlittle-endian:-EL} \ 62 %{mlittle-endian:-EL} \
59 %{mcpu=*:-mcpu=%*} \ 63 %(asm_cpu_spec) \
60 %{march=*:-march=%*} \
61 %{mapcs-*:-mapcs-%*} \ 64 %{mapcs-*:-mapcs-%*} \
62 %(subtarget_asm_float_spec) \ 65 %(subtarget_asm_float_spec) \
63 %{mthumb-interwork:-mthumb-interwork} \ 66 %{mthumb-interwork:-mthumb-interwork} \
64 %{msoft-float:-mfloat-abi=soft} %{mhard-float:-mfloat-abi=hard} \ 67 %{mfloat-abi=*} %{!mfpu=auto: %{mfpu=*}} \
65 %{mfloat-abi=*} %{mfpu=*} \
66 %(subtarget_extra_asm_spec)" 68 %(subtarget_extra_asm_spec)"
67 #endif 69 #endif
68 70
69 /* The ARM uses @ are a comment character so we need to redefine 71 /* The ARM uses @ are a comment character so we need to redefine
70 TYPE_OPERAND_FMT. */ 72 TYPE_OPERAND_FMT. */
71 #undef TYPE_OPERAND_FMT 73 #undef TYPE_OPERAND_FMT
72 #define TYPE_OPERAND_FMT "%%%s" 74 #define TYPE_OPERAND_FMT "%%%s"
73 75
74 /* We might need a ARM specific header to function declarations. */ 76 /* We might need a ARM specific header to function declarations. */
75 #undef ASM_DECLARE_FUNCTION_NAME 77 #undef ASM_DECLARE_FUNCTION_NAME
76 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ 78 #define ASM_DECLARE_FUNCTION_NAME arm_asm_declare_function_name
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 79
87 /* We might need an ARM specific trailer for function declarations. */ 80 /* We might need an ARM specific trailer for function declarations. */
88 #undef ASM_DECLARE_FUNCTION_SIZE 81 #undef ASM_DECLARE_FUNCTION_SIZE
89 #define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \ 82 #define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
90 do \ 83 do \
100 Otherwise, the readonly data section is used. */ 93 Otherwise, the readonly data section is used. */
101 /* We put ARM and Thumb-2 jump tables in the text section, because it makes 94 /* 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 95 the code more efficient, but for Thumb-1 it's better to put them out of
103 band unless we are generating compressed tables. */ 96 band unless we are generating compressed tables. */
104 #define JUMP_TABLES_IN_TEXT_SECTION \ 97 #define JUMP_TABLES_IN_TEXT_SECTION \
105 (TARGET_32BIT || (TARGET_THUMB && (optimize_size || flag_pic))) 98 ((TARGET_32BIT || (TARGET_THUMB && (optimize_size || flag_pic))) \
99 && !target_pure_code)
106 100
107 #ifndef LINK_SPEC 101 #ifndef LINK_SPEC
108 #define LINK_SPEC "%{mbig-endian:-EB} %{mlittle-endian:-EL} -X" 102 #define LINK_SPEC "%{mbig-endian:-EB} %{mlittle-endian:-EL} -X"
109 #endif 103 #endif
110 104
111 /* Run-time Target Specification. */ 105 /* Run-time Target Specification. */
112 #ifndef TARGET_VERSION
113 #define TARGET_VERSION fputs (" (ARM/elf)", stderr)
114 #endif
115
116 #ifndef TARGET_DEFAULT 106 #ifndef TARGET_DEFAULT
117 #define TARGET_DEFAULT (MASK_APCS_FRAME) 107 #define TARGET_DEFAULT (MASK_APCS_FRAME)
118 #endif 108 #endif
119 109
120 #ifndef MULTILIB_DEFAULTS
121 #define MULTILIB_DEFAULTS \
122 { "marm", "mlittle-endian", "msoft-float", "mno-thumb-interwork", "fno-leading-underscore" }
123 #endif
124 110
125 #define TARGET_ASM_FILE_START_APP_OFF true
126 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE true 111 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
127 112
128 113
129 /* Output an element in the static constructor array. */ 114 /* Output an element in the static constructor array. */
130 #undef TARGET_ASM_CONSTRUCTOR 115 #undef TARGET_ASM_CONSTRUCTOR
149 fprintf (STREAM, "\t.align\t%d\n", POWER); \ 134 fprintf (STREAM, "\t.align\t%d\n", POWER); \
150 } \ 135 } \
151 while (0) 136 while (0)
152 137
153 /* Horrible hack: We want to prevent some libgcc routines being included 138 /* Horrible hack: We want to prevent some libgcc routines being included
154 for some multilibs. */ 139 for some multilibs. The condition should match the one in
155 #ifndef __ARM_ARCH_6M__ 140 libgcc/config/arm/lib1funcs.S. */
141 #if __ARM_ARCH_ISA_ARM || __ARM_ARCH_ISA_THUMB != 1
156 #undef L_fixdfsi 142 #undef L_fixdfsi
157 #undef L_fixunsdfsi 143 #undef L_fixunsdfsi
158 #undef L_truncdfsf2 144 #undef L_truncdfsf2
159 #undef L_fixsfsi 145 #undef L_fixsfsi
160 #undef L_fixunssfsi 146 #undef L_fixunssfsi