Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/arm/aout.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, for ARM with a.out |
| 131 | 2 Copyright (C) 1995-2018 Free Software Foundation, Inc. |
| 0 | 3 Contributed by Richard Earnshaw (rearnsha@armltd.co.uk). |
| 4 | |
| 5 This file is part of GCC. | |
| 6 | |
| 7 GCC is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published | |
| 9 by the Free Software Foundation; either version 3, or (at your | |
| 10 option) any later version. | |
| 11 | |
| 12 GCC is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
| 14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
| 15 License for more details. | |
| 16 | |
| 111 | 17 Under Section 7 of GPL version 3, you are granted additional |
| 18 permissions described in the GCC Runtime Library Exception, version | |
| 19 3.1, as published by the Free Software Foundation. | |
| 20 | |
| 21 You should have received a copy of the GNU General Public License and | |
| 22 a copy of the GCC Runtime Library Exception along with this program; | |
| 23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 0 | 24 <http://www.gnu.org/licenses/>. */ |
| 25 | |
| 26 #ifndef ASM_APP_ON | |
| 27 #define ASM_APP_ON "" | |
| 28 #endif | |
| 29 #ifndef ASM_APP_OFF | |
| 30 #define ASM_APP_OFF "" | |
| 31 #endif | |
| 32 | |
| 33 /* Switch to the text or data segment. */ | |
| 34 #define TEXT_SECTION_ASM_OP "\t.text" | |
| 35 #define DATA_SECTION_ASM_OP "\t.data" | |
| 36 #define BSS_SECTION_ASM_OP "\t.bss" | |
| 37 | |
| 38 /* Note: If USER_LABEL_PREFIX or LOCAL_LABEL_PREFIX are changed, | |
| 39 make sure that this change is reflected in the function | |
| 40 coff_arm_is_local_label_name() in bfd/coff-arm.c. */ | |
| 41 #ifndef REGISTER_PREFIX | |
| 42 #define REGISTER_PREFIX "" | |
| 43 #endif | |
| 44 | |
| 45 #ifndef USER_LABEL_PREFIX | |
| 46 #define USER_LABEL_PREFIX "_" | |
| 47 #endif | |
| 48 | |
| 49 #ifndef LOCAL_LABEL_PREFIX | |
| 50 #define LOCAL_LABEL_PREFIX "" | |
| 51 #endif | |
| 52 | |
| 53 /* The assembler's names for the registers. Note that the ?xx registers are | |
| 54 there so that VFPv3/NEON registers D16-D31 have the same spacing as D0-D15 | |
| 55 (each of which is overlaid on two S registers), although there are no | |
| 56 actual single-precision registers which correspond to D16-D31. */ | |
| 57 #ifndef REGISTER_NAMES | |
| 111 | 58 #define REGISTER_NAMES \ |
| 59 { \ | |
| 60 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ | |
| 61 "r8", "r9", "r10", "fp", "ip", "sp", "lr", "pc", \ | |
| 62 "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", \ | |
| 63 "s8", "s9", "s10", "s11", "s12", "s13", "s14", "s15", \ | |
| 64 "s16", "s17", "s18", "s19", "s20", "s21", "s22", "s23", \ | |
| 65 "s24", "s25", "s26", "s27", "s28", "s29", "s30", "s31", \ | |
| 66 "d16", "?16", "d17", "?17", "d18", "?18", "d19", "?19", \ | |
| 67 "d20", "?20", "d21", "?21", "d22", "?22", "d23", "?23", \ | |
| 68 "d24", "?24", "d25", "?25", "d26", "?26", "d27", "?27", \ | |
| 69 "d28", "?28", "d29", "?29", "d30", "?30", "d31", "?31", \ | |
| 70 "wr0", "wr1", "wr2", "wr3", \ | |
| 71 "wr4", "wr5", "wr6", "wr7", \ | |
| 72 "wr8", "wr9", "wr10", "wr11", \ | |
| 73 "wr12", "wr13", "wr14", "wr15", \ | |
| 74 "wcgr0", "wcgr1", "wcgr2", "wcgr3", \ | |
| 75 "cc", "vfpcc", "sfp", "afp" \ | |
| 0 | 76 } |
| 77 #endif | |
| 78 | |
| 79 #ifndef ADDITIONAL_REGISTER_NAMES | |
| 80 #define ADDITIONAL_REGISTER_NAMES \ | |
| 81 { \ | |
| 82 {"a1", 0}, \ | |
| 83 {"a2", 1}, \ | |
| 84 {"a3", 2}, \ | |
| 85 {"a4", 3}, \ | |
| 86 {"v1", 4}, \ | |
| 87 {"v2", 5}, \ | |
| 88 {"v3", 6}, \ | |
| 89 {"v4", 7}, \ | |
| 90 {"v5", 8}, \ | |
| 91 {"v6", 9}, \ | |
| 111 | 92 {"rfp", 9}, /* Historical. */ \ |
| 93 {"sb", 9}, /* Historical. */ \ | |
| 0 | 94 {"v7", 10}, \ |
| 111 | 95 {"sl", 10}, /* Historical. */ \ |
| 0 | 96 {"r11", 11}, /* fp */ \ |
| 97 {"r12", 12}, /* ip */ \ | |
| 98 {"r13", 13}, /* sp */ \ | |
| 99 {"r14", 14}, /* lr */ \ | |
| 111 | 100 {"r15", 15} /* pc */ \ |
|
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101 } |
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102 #endif |
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103 |
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104 #ifndef OVERLAPPING_REGISTER_NAMES |
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105 #define OVERLAPPING_REGISTER_NAMES \ |
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106 { \ |
| 111 | 107 {"d0", FIRST_VFP_REGNUM + 0, 2}, \ |
| 108 {"d1", FIRST_VFP_REGNUM + 2, 2}, \ | |
| 109 {"d2", FIRST_VFP_REGNUM + 4, 2}, \ | |
| 110 {"d3", FIRST_VFP_REGNUM + 6, 2}, \ | |
| 111 {"d4", FIRST_VFP_REGNUM + 8, 2}, \ | |
| 112 {"d5", FIRST_VFP_REGNUM + 10, 2}, \ | |
| 113 {"d6", FIRST_VFP_REGNUM + 12, 2}, \ | |
| 114 {"d7", FIRST_VFP_REGNUM + 14, 2}, \ | |
| 115 {"d8", FIRST_VFP_REGNUM + 16, 2}, \ | |
| 116 {"d9", FIRST_VFP_REGNUM + 18, 2}, \ | |
| 117 {"d10", FIRST_VFP_REGNUM + 20, 2}, \ | |
| 118 {"d11", FIRST_VFP_REGNUM + 22, 2}, \ | |
| 119 {"d12", FIRST_VFP_REGNUM + 24, 2}, \ | |
| 120 {"d13", FIRST_VFP_REGNUM + 26, 2}, \ | |
| 121 {"d14", FIRST_VFP_REGNUM + 28, 2}, \ | |
| 122 {"d15", FIRST_VFP_REGNUM + 30, 2}, \ | |
| 123 {"q0", FIRST_VFP_REGNUM + 0, 4}, \ | |
| 124 {"q1", FIRST_VFP_REGNUM + 4, 4}, \ | |
| 125 {"q2", FIRST_VFP_REGNUM + 8, 4}, \ | |
| 126 {"q3", FIRST_VFP_REGNUM + 12, 4}, \ | |
| 127 {"q4", FIRST_VFP_REGNUM + 16, 4}, \ | |
| 128 {"q5", FIRST_VFP_REGNUM + 20, 4}, \ | |
| 129 {"q6", FIRST_VFP_REGNUM + 24, 4}, \ | |
| 130 {"q7", FIRST_VFP_REGNUM + 28, 4}, \ | |
| 131 {"q8", FIRST_VFP_REGNUM + 32, 4}, \ | |
| 132 {"q9", FIRST_VFP_REGNUM + 36, 4}, \ | |
| 133 {"q10", FIRST_VFP_REGNUM + 40, 4}, \ | |
| 134 {"q11", FIRST_VFP_REGNUM + 44, 4}, \ | |
| 135 {"q12", FIRST_VFP_REGNUM + 48, 4}, \ | |
| 136 {"q13", FIRST_VFP_REGNUM + 52, 4}, \ | |
| 137 {"q14", FIRST_VFP_REGNUM + 56, 4}, \ | |
| 138 {"q15", FIRST_VFP_REGNUM + 60, 4} \ | |
| 0 | 139 } |
| 140 #endif | |
| 141 | |
| 142 #ifndef NO_DOLLAR_IN_LABEL | |
| 143 #define NO_DOLLAR_IN_LABEL 1 | |
| 144 #endif | |
| 145 | |
| 146 /* Generate DBX debugging information. riscix.h will undefine this because | |
| 147 the native assembler does not support stabs. */ | |
| 148 #define DBX_DEBUGGING_INFO 1 | |
| 149 | |
| 150 /* Acorn dbx moans about continuation chars, so don't use any. */ | |
| 151 #ifndef DBX_CONTIN_LENGTH | |
| 152 #define DBX_CONTIN_LENGTH 0 | |
| 153 #endif | |
| 154 | |
| 155 /* Output a function label definition. */ | |
| 156 #ifndef ASM_DECLARE_FUNCTION_NAME | |
| 157 #define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL) \ | |
| 158 do \ | |
| 159 { \ | |
| 160 ARM_DECLARE_FUNCTION_NAME (STREAM, NAME, DECL); \ | |
| 161 ASM_OUTPUT_LABEL (STREAM, NAME); \ | |
| 162 } \ | |
| 163 while (0) | |
| 164 #endif | |
| 165 | |
| 166 /* Globalizing directive for a label. */ | |
| 167 #define GLOBAL_ASM_OP "\t.global\t" | |
| 168 | |
| 169 /* Make an internal label into a string. */ | |
| 170 #ifndef ASM_GENERATE_INTERNAL_LABEL | |
| 171 #define ASM_GENERATE_INTERNAL_LABEL(STRING, PREFIX, NUM) \ | |
| 172 sprintf (STRING, "*%s%s%u", LOCAL_LABEL_PREFIX, PREFIX, (unsigned int)(NUM)) | |
| 173 #endif | |
| 174 | |
| 175 /* Output an element of a dispatch table. */ | |
| 176 #define ASM_OUTPUT_ADDR_VEC_ELT(STREAM, VALUE) \ | |
| 177 do \ | |
| 178 { \ | |
| 179 gcc_assert (!TARGET_THUMB2); \ | |
| 180 asm_fprintf (STREAM, "\t.word\t%LL%d\n", VALUE); \ | |
| 181 } \ | |
| 182 while (0) | |
| 183 | |
| 184 | |
| 185 /* Thumb-2 always uses addr_diff_elf so that the Table Branch instructions | |
| 186 can be used. For non-pic code where the offsets do not suitable for | |
| 187 TBB/TBH the elements are output as absolute labels. */ | |
| 188 #define ASM_OUTPUT_ADDR_DIFF_ELT(STREAM, BODY, VALUE, REL) \ | |
| 189 do \ | |
| 190 { \ | |
| 191 if (TARGET_ARM) \ | |
| 192 asm_fprintf (STREAM, "\tb\t%LL%d\n", VALUE); \ | |
| 193 else if (TARGET_THUMB1) \ | |
|
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194 { \ |
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195 if (flag_pic || optimize_size) \ |
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196 { \ |
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197 switch (GET_MODE(body)) \ |
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198 { \ |
| 111 | 199 case E_QImode: \ |
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200 asm_fprintf (STREAM, "\t.byte\t(%LL%d-%LL%d)/2\n", \ |
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201 VALUE, REL); \ |
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202 break; \ |
| 111 | 203 case E_HImode: /* TBH */ \ |
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204 asm_fprintf (STREAM, "\t.2byte\t(%LL%d-%LL%d)/2\n", \ |
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205 VALUE, REL); \ |
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206 break; \ |
| 111 | 207 case E_SImode: \ |
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208 asm_fprintf (STREAM, "\t.word\t%LL%d-%LL%d\n", \ |
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209 VALUE, REL); \ |
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210 break; \ |
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211 default: \ |
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212 gcc_unreachable(); \ |
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213 } \ |
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214 } \ |
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215 else \ |
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216 asm_fprintf (STREAM, "\t.word\t%LL%d+1\n", VALUE); \ |
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217 } \ |
| 0 | 218 else /* Thumb-2 */ \ |
| 219 { \ | |
| 220 switch (GET_MODE(body)) \ | |
| 221 { \ | |
| 111 | 222 case E_QImode: /* TBB */ \ |
| 0 | 223 asm_fprintf (STREAM, "\t.byte\t(%LL%d-%LL%d)/2\n", \ |
| 224 VALUE, REL); \ | |
| 225 break; \ | |
| 111 | 226 case E_HImode: /* TBH */ \ |
| 0 | 227 asm_fprintf (STREAM, "\t.2byte\t(%LL%d-%LL%d)/2\n", \ |
| 228 VALUE, REL); \ | |
| 229 break; \ | |
| 111 | 230 case E_SImode: \ |
| 0 | 231 if (flag_pic) \ |
| 232 asm_fprintf (STREAM, "\t.word\t%LL%d+1-%LL%d\n", VALUE, REL); \ | |
| 233 else \ | |
| 234 asm_fprintf (STREAM, "\t.word\t%LL%d+1\n", VALUE); \ | |
| 235 break; \ | |
| 236 default: \ | |
| 237 gcc_unreachable(); \ | |
| 238 } \ | |
| 239 } \ | |
| 240 } \ | |
| 241 while (0) | |
| 242 | |
| 243 | |
| 244 #undef ASM_OUTPUT_ASCII | |
| 245 #define ASM_OUTPUT_ASCII(STREAM, PTR, LEN) \ | |
| 246 output_ascii_pseudo_op (STREAM, (const unsigned char *) (PTR), LEN) | |
| 247 | |
| 248 /* Output a gap. In fact we fill it with nulls. */ | |
| 249 #undef ASM_OUTPUT_SKIP | |
| 250 #define ASM_OUTPUT_SKIP(STREAM, NBYTES) \ | |
| 251 fprintf (STREAM, "\t.space\t%d\n", (int) (NBYTES)) | |
| 252 | |
| 253 /* Align output to a power of two. Horrible /bin/as. */ | |
| 254 #ifndef ASM_OUTPUT_ALIGN | |
| 255 #define ASM_OUTPUT_ALIGN(STREAM, POWER) \ | |
| 256 do \ | |
| 257 { \ | |
| 258 register int amount = 1 << (POWER); \ | |
| 259 \ | |
| 260 if (amount == 2) \ | |
| 261 fprintf (STREAM, "\t.even\n"); \ | |
| 262 else if (amount != 1) \ | |
| 263 fprintf (STREAM, "\t.align\t%d\n", amount - 4); \ | |
| 264 } \ | |
| 265 while (0) | |
| 266 #endif | |
| 267 | |
| 268 /* Output a common block. */ | |
| 269 #ifndef ASM_OUTPUT_COMMON | |
| 270 #define ASM_OUTPUT_COMMON(STREAM, NAME, SIZE, ROUNDED) \ | |
| 271 do \ | |
| 272 { \ | |
| 273 fprintf (STREAM, "\t.comm\t"); \ | |
| 274 assemble_name (STREAM, NAME); \ | |
| 275 asm_fprintf (STREAM, ", %d\t%@ %d\n", \ | |
| 276 (int)(ROUNDED), (int)(SIZE)); \ | |
| 277 } \ | |
| 278 while (0) | |
| 279 #endif | |
| 280 | |
| 281 /* Output a local common block. /bin/as can't do this, so hack a | |
| 282 `.space' into the bss segment. Note that this is *bad* practice, | |
| 283 which is guaranteed NOT to work since it doesn't define STATIC | |
| 284 COMMON space but merely STATIC BSS space. */ | |
| 285 #ifndef ASM_OUTPUT_ALIGNED_LOCAL | |
| 286 #define ASM_OUTPUT_ALIGNED_LOCAL(STREAM, NAME, SIZE, ALIGN) \ | |
| 287 do \ | |
| 288 { \ | |
| 289 switch_to_section (bss_section); \ | |
| 290 ASM_OUTPUT_ALIGN (STREAM, floor_log2 (ALIGN / BITS_PER_UNIT)); \ | |
| 291 ASM_OUTPUT_LABEL (STREAM, NAME); \ | |
| 292 fprintf (STREAM, "\t.space\t%d\n", (int)(SIZE)); \ | |
| 293 } \ | |
| 294 while (0) | |
| 295 #endif | |
| 296 | |
| 297 /* Output a zero-initialized block. */ | |
| 298 #ifndef ASM_OUTPUT_ALIGNED_BSS | |
| 299 #define ASM_OUTPUT_ALIGNED_BSS(STREAM, DECL, NAME, SIZE, ALIGN) \ | |
| 300 asm_output_aligned_bss (STREAM, DECL, NAME, SIZE, ALIGN) | |
| 301 #endif | |
| 302 | |
| 303 #ifndef ASM_COMMENT_START | |
| 304 #define ASM_COMMENT_START "@" | |
| 305 #endif | |
| 306 | |
| 307 /* This works for GAS and some other assemblers. */ | |
| 308 #define SET_ASM_OP "\t.set\t" |