| 1 |
38 |
julius |
/* Definitions of target machine for GNU compiler, for ARM with a.out
|
| 2 |
|
|
Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2004, 2007
|
| 3 |
|
|
Free Software Foundation, Inc.
|
| 4 |
|
|
Contributed by Richard Earnshaw (rearnsha@armltd.co.uk).
|
| 5 |
|
|
|
| 6 |
|
|
This file is part of GCC.
|
| 7 |
|
|
|
| 8 |
|
|
GCC is free software; you can redistribute it and/or modify it
|
| 9 |
|
|
under the terms of the GNU General Public License as published
|
| 10 |
|
|
by the Free Software Foundation; either version 3, or (at your
|
| 11 |
|
|
option) any later version.
|
| 12 |
|
|
|
| 13 |
|
|
GCC is distributed in the hope that it will be useful, but WITHOUT
|
| 14 |
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
| 15 |
|
|
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
| 16 |
|
|
License for more details.
|
| 17 |
|
|
|
| 18 |
|
|
You should have received a copy of the GNU General Public License
|
| 19 |
|
|
along with GCC; see the file COPYING3. If not see
|
| 20 |
|
|
<http://www.gnu.org/licenses/>. */
|
| 21 |
|
|
|
| 22 |
|
|
#ifndef ASM_APP_ON
|
| 23 |
|
|
#define ASM_APP_ON ""
|
| 24 |
|
|
#endif
|
| 25 |
|
|
#ifndef ASM_APP_OFF
|
| 26 |
|
|
#define ASM_APP_OFF ""
|
| 27 |
|
|
#endif
|
| 28 |
|
|
|
| 29 |
|
|
/* Switch to the text or data segment. */
|
| 30 |
|
|
#define TEXT_SECTION_ASM_OP "\t.text"
|
| 31 |
|
|
#define DATA_SECTION_ASM_OP "\t.data"
|
| 32 |
|
|
#define BSS_SECTION_ASM_OP "\t.bss"
|
| 33 |
|
|
|
| 34 |
|
|
/* Note: If USER_LABEL_PREFIX or LOCAL_LABEL_PREFIX are changed,
|
| 35 |
|
|
make sure that this change is reflected in the function
|
| 36 |
|
|
coff_arm_is_local_label_name() in bfd/coff-arm.c. */
|
| 37 |
|
|
#ifndef REGISTER_PREFIX
|
| 38 |
|
|
#define REGISTER_PREFIX ""
|
| 39 |
|
|
#endif
|
| 40 |
|
|
|
| 41 |
|
|
#ifndef USER_LABEL_PREFIX
|
| 42 |
|
|
#define USER_LABEL_PREFIX "_"
|
| 43 |
|
|
#endif
|
| 44 |
|
|
|
| 45 |
|
|
#ifndef LOCAL_LABEL_PREFIX
|
| 46 |
|
|
#define LOCAL_LABEL_PREFIX ""
|
| 47 |
|
|
#endif
|
| 48 |
|
|
|
| 49 |
|
|
/* The assembler's names for the registers. */
|
| 50 |
|
|
#ifndef REGISTER_NAMES
|
| 51 |
|
|
#define REGISTER_NAMES \
|
| 52 |
|
|
{ \
|
| 53 |
|
|
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
|
| 54 |
|
|
"r8", "r9", "sl", "fp", "ip", "sp", "lr", "pc", \
|
| 55 |
|
|
"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \
|
| 56 |
|
|
"cc", "sfp", "afp", \
|
| 57 |
|
|
"mv0", "mv1", "mv2", "mv3", \
|
| 58 |
|
|
"mv4", "mv5", "mv6", "mv7", \
|
| 59 |
|
|
"mv8", "mv9", "mv10", "mv11", \
|
| 60 |
|
|
"mv12", "mv13", "mv14", "mv15", \
|
| 61 |
|
|
"wcgr0", "wcgr1", "wcgr2", "wcgr3", \
|
| 62 |
|
|
"wr0", "wr1", "wr2", "wr3", \
|
| 63 |
|
|
"wr4", "wr5", "wr6", "wr7", \
|
| 64 |
|
|
"wr8", "wr9", "wr10", "wr11", \
|
| 65 |
|
|
"wr12", "wr13", "wr14", "wr15", \
|
| 66 |
|
|
"s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", \
|
| 67 |
|
|
"s8", "s9", "s10", "s11", "s12", "s13", "s14", "s15", \
|
| 68 |
|
|
"s16", "s17", "s18", "s19", "s20", "s21", "s22", "s23", \
|
| 69 |
|
|
"s24", "s25", "s26", "s27", "s28", "s29", "s30", "s31", \
|
| 70 |
|
|
"vfpcc" \
|
| 71 |
|
|
}
|
| 72 |
|
|
#endif
|
| 73 |
|
|
|
| 74 |
|
|
#ifndef ADDITIONAL_REGISTER_NAMES
|
| 75 |
|
|
#define ADDITIONAL_REGISTER_NAMES \
|
| 76 |
|
|
{ \
|
| 77 |
|
|
{"a1", 0}, \
|
| 78 |
|
|
{"a2", 1}, \
|
| 79 |
|
|
{"a3", 2}, \
|
| 80 |
|
|
{"a4", 3}, \
|
| 81 |
|
|
{"v1", 4}, \
|
| 82 |
|
|
{"v2", 5}, \
|
| 83 |
|
|
{"v3", 6}, \
|
| 84 |
|
|
{"v4", 7}, \
|
| 85 |
|
|
{"v5", 8}, \
|
| 86 |
|
|
{"v6", 9}, \
|
| 87 |
|
|
{"rfp", 9}, /* Gcc used to call it this */ \
|
| 88 |
|
|
{"sb", 9}, \
|
| 89 |
|
|
{"v7", 10}, \
|
| 90 |
|
|
{"r10", 10}, /* sl */ \
|
| 91 |
|
|
{"r11", 11}, /* fp */ \
|
| 92 |
|
|
{"r12", 12}, /* ip */ \
|
| 93 |
|
|
{"r13", 13}, /* sp */ \
|
| 94 |
|
|
{"r14", 14}, /* lr */ \
|
| 95 |
|
|
{"r15", 15}, /* pc */ \
|
| 96 |
|
|
{"mvf0", 27}, \
|
| 97 |
|
|
{"mvf1", 28}, \
|
| 98 |
|
|
{"mvf2", 29}, \
|
| 99 |
|
|
{"mvf3", 30}, \
|
| 100 |
|
|
{"mvf4", 31}, \
|
| 101 |
|
|
{"mvf5", 32}, \
|
| 102 |
|
|
{"mvf6", 33}, \
|
| 103 |
|
|
{"mvf7", 34}, \
|
| 104 |
|
|
{"mvf8", 35}, \
|
| 105 |
|
|
{"mvf9", 36}, \
|
| 106 |
|
|
{"mvf10", 37}, \
|
| 107 |
|
|
{"mvf11", 38}, \
|
| 108 |
|
|
{"mvf12", 39}, \
|
| 109 |
|
|
{"mvf13", 40}, \
|
| 110 |
|
|
{"mvf14", 41}, \
|
| 111 |
|
|
{"mvf15", 42}, \
|
| 112 |
|
|
{"mvd0", 27}, \
|
| 113 |
|
|
{"mvd1", 28}, \
|
| 114 |
|
|
{"mvd2", 29}, \
|
| 115 |
|
|
{"mvd3", 30}, \
|
| 116 |
|
|
{"mvd4", 31}, \
|
| 117 |
|
|
{"mvd5", 32}, \
|
| 118 |
|
|
{"mvd6", 33}, \
|
| 119 |
|
|
{"mvd7", 34}, \
|
| 120 |
|
|
{"mvd8", 35}, \
|
| 121 |
|
|
{"mvd9", 36}, \
|
| 122 |
|
|
{"mvd10", 37}, \
|
| 123 |
|
|
{"mvd11", 38}, \
|
| 124 |
|
|
{"mvd12", 39}, \
|
| 125 |
|
|
{"mvd13", 40}, \
|
| 126 |
|
|
{"mvd14", 41}, \
|
| 127 |
|
|
{"mvd15", 42}, \
|
| 128 |
|
|
{"mvfx0", 27}, \
|
| 129 |
|
|
{"mvfx1", 28}, \
|
| 130 |
|
|
{"mvfx2", 29}, \
|
| 131 |
|
|
{"mvfx3", 30}, \
|
| 132 |
|
|
{"mvfx4", 31}, \
|
| 133 |
|
|
{"mvfx5", 32}, \
|
| 134 |
|
|
{"mvfx6", 33}, \
|
| 135 |
|
|
{"mvfx7", 34}, \
|
| 136 |
|
|
{"mvfx8", 35}, \
|
| 137 |
|
|
{"mvfx9", 36}, \
|
| 138 |
|
|
{"mvfx10", 37}, \
|
| 139 |
|
|
{"mvfx11", 38}, \
|
| 140 |
|
|
{"mvfx12", 39}, \
|
| 141 |
|
|
{"mvfx13", 40}, \
|
| 142 |
|
|
{"mvfx14", 41}, \
|
| 143 |
|
|
{"mvfx15", 42}, \
|
| 144 |
|
|
{"mvdx0", 27}, \
|
| 145 |
|
|
{"mvdx1", 28}, \
|
| 146 |
|
|
{"mvdx2", 29}, \
|
| 147 |
|
|
{"mvdx3", 30}, \
|
| 148 |
|
|
{"mvdx4", 31}, \
|
| 149 |
|
|
{"mvdx5", 32}, \
|
| 150 |
|
|
{"mvdx6", 33}, \
|
| 151 |
|
|
{"mvdx7", 34}, \
|
| 152 |
|
|
{"mvdx8", 35}, \
|
| 153 |
|
|
{"mvdx9", 36}, \
|
| 154 |
|
|
{"mvdx10", 37}, \
|
| 155 |
|
|
{"mvdx11", 38}, \
|
| 156 |
|
|
{"mvdx12", 39}, \
|
| 157 |
|
|
{"mvdx13", 40}, \
|
| 158 |
|
|
{"mvdx14", 41}, \
|
| 159 |
|
|
{"mvdx15", 42}, \
|
| 160 |
|
|
{"d0", 63}, \
|
| 161 |
|
|
{"d1", 65}, \
|
| 162 |
|
|
{"d2", 67}, \
|
| 163 |
|
|
{"d3", 69}, \
|
| 164 |
|
|
{"d4", 71}, \
|
| 165 |
|
|
{"d5", 73}, \
|
| 166 |
|
|
{"d6", 75}, \
|
| 167 |
|
|
{"d7", 77}, \
|
| 168 |
|
|
{"d8", 79}, \
|
| 169 |
|
|
{"d9", 81}, \
|
| 170 |
|
|
{"d10", 83}, \
|
| 171 |
|
|
{"d11", 85}, \
|
| 172 |
|
|
{"d12", 87}, \
|
| 173 |
|
|
{"d13", 89}, \
|
| 174 |
|
|
{"d14", 91}, \
|
| 175 |
|
|
{"d15", 93}, \
|
| 176 |
|
|
}
|
| 177 |
|
|
#endif
|
| 178 |
|
|
|
| 179 |
|
|
/* Arm Assembler barfs on dollars. */
|
| 180 |
|
|
#define DOLLARS_IN_IDENTIFIERS 0
|
| 181 |
|
|
|
| 182 |
|
|
#ifndef NO_DOLLAR_IN_LABEL
|
| 183 |
|
|
#define NO_DOLLAR_IN_LABEL 1
|
| 184 |
|
|
#endif
|
| 185 |
|
|
|
| 186 |
|
|
/* Generate DBX debugging information. riscix.h will undefine this because
|
| 187 |
|
|
the native assembler does not support stabs. */
|
| 188 |
|
|
#define DBX_DEBUGGING_INFO 1
|
| 189 |
|
|
|
| 190 |
|
|
/* Acorn dbx moans about continuation chars, so don't use any. */
|
| 191 |
|
|
#ifndef DBX_CONTIN_LENGTH
|
| 192 |
|
|
#define DBX_CONTIN_LENGTH 0
|
| 193 |
|
|
#endif
|
| 194 |
|
|
|
| 195 |
|
|
/* Output a function label definition. */
|
| 196 |
|
|
#ifndef ASM_DECLARE_FUNCTION_NAME
|
| 197 |
|
|
#define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL) \
|
| 198 |
|
|
do \
|
| 199 |
|
|
{ \
|
| 200 |
|
|
ARM_DECLARE_FUNCTION_NAME (STREAM, NAME, DECL); \
|
| 201 |
|
|
ASM_OUTPUT_LABEL (STREAM, NAME); \
|
| 202 |
|
|
} \
|
| 203 |
|
|
while (0)
|
| 204 |
|
|
#endif
|
| 205 |
|
|
|
| 206 |
|
|
/* Globalizing directive for a label. */
|
| 207 |
|
|
#define GLOBAL_ASM_OP "\t.global\t"
|
| 208 |
|
|
|
| 209 |
|
|
/* Make an internal label into a string. */
|
| 210 |
|
|
#ifndef ASM_GENERATE_INTERNAL_LABEL
|
| 211 |
|
|
#define ASM_GENERATE_INTERNAL_LABEL(STRING, PREFIX, NUM) \
|
| 212 |
|
|
sprintf (STRING, "*%s%s%u", LOCAL_LABEL_PREFIX, PREFIX, (unsigned int)(NUM))
|
| 213 |
|
|
#endif
|
| 214 |
|
|
|
| 215 |
|
|
/* Output an element of a dispatch table. */
|
| 216 |
|
|
#define ASM_OUTPUT_ADDR_VEC_ELT(STREAM, VALUE) \
|
| 217 |
|
|
asm_fprintf (STREAM, "\t.word\t%LL%d\n", VALUE)
|
| 218 |
|
|
|
| 219 |
|
|
#define ASM_OUTPUT_ADDR_DIFF_ELT(STREAM, BODY, VALUE, REL) \
|
| 220 |
|
|
do \
|
| 221 |
|
|
{ \
|
| 222 |
|
|
if (TARGET_ARM) \
|
| 223 |
|
|
asm_fprintf (STREAM, "\tb\t%LL%d\n", VALUE); \
|
| 224 |
|
|
else \
|
| 225 |
|
|
asm_fprintf (STREAM, "\t.word\t%LL%d-%LL%d\n", VALUE, REL); \
|
| 226 |
|
|
} \
|
| 227 |
|
|
while (0)
|
| 228 |
|
|
|
| 229 |
|
|
|
| 230 |
|
|
#undef ASM_OUTPUT_ASCII
|
| 231 |
|
|
#define ASM_OUTPUT_ASCII(STREAM, PTR, LEN) \
|
| 232 |
|
|
output_ascii_pseudo_op (STREAM, (const unsigned char *) (PTR), LEN)
|
| 233 |
|
|
|
| 234 |
|
|
/* Output a gap. In fact we fill it with nulls. */
|
| 235 |
|
|
#undef ASM_OUTPUT_SKIP
|
| 236 |
|
|
#define ASM_OUTPUT_SKIP(STREAM, NBYTES) \
|
| 237 |
|
|
fprintf (STREAM, "\t.space\t%d\n", (int) (NBYTES))
|
| 238 |
|
|
|
| 239 |
|
|
/* Align output to a power of two. Horrible /bin/as. */
|
| 240 |
|
|
#ifndef ASM_OUTPUT_ALIGN
|
| 241 |
|
|
#define ASM_OUTPUT_ALIGN(STREAM, POWER) \
|
| 242 |
|
|
do \
|
| 243 |
|
|
{ \
|
| 244 |
|
|
register int amount = 1 << (POWER); \
|
| 245 |
|
|
\
|
| 246 |
|
|
if (amount == 2) \
|
| 247 |
|
|
fprintf (STREAM, "\t.even\n"); \
|
| 248 |
|
|
else if (amount != 1) \
|
| 249 |
|
|
fprintf (STREAM, "\t.align\t%d\n", amount - 4); \
|
| 250 |
|
|
} \
|
| 251 |
|
|
while (0)
|
| 252 |
|
|
#endif
|
| 253 |
|
|
|
| 254 |
|
|
/* Output a common block. */
|
| 255 |
|
|
#ifndef ASM_OUTPUT_COMMON
|
| 256 |
|
|
#define ASM_OUTPUT_COMMON(STREAM, NAME, SIZE, ROUNDED) \
|
| 257 |
|
|
do \
|
| 258 |
|
|
{ \
|
| 259 |
|
|
fprintf (STREAM, "\t.comm\t"); \
|
| 260 |
|
|
assemble_name (STREAM, NAME); \
|
| 261 |
|
|
asm_fprintf (STREAM, ", %d\t%@ %d\n", \
|
| 262 |
|
|
(int)(ROUNDED), (int)(SIZE)); \
|
| 263 |
|
|
} \
|
| 264 |
|
|
while (0)
|
| 265 |
|
|
#endif
|
| 266 |
|
|
|
| 267 |
|
|
/* Output a local common block. /bin/as can't do this, so hack a
|
| 268 |
|
|
`.space' into the bss segment. Note that this is *bad* practice,
|
| 269 |
|
|
which is guaranteed NOT to work since it doesn't define STATIC
|
| 270 |
|
|
COMMON space but merely STATIC BSS space. */
|
| 271 |
|
|
#ifndef ASM_OUTPUT_ALIGNED_LOCAL
|
| 272 |
|
|
#define ASM_OUTPUT_ALIGNED_LOCAL(STREAM, NAME, SIZE, ALIGN) \
|
| 273 |
|
|
do \
|
| 274 |
|
|
{ \
|
| 275 |
|
|
switch_to_section (bss_section); \
|
| 276 |
|
|
ASM_OUTPUT_ALIGN (STREAM, floor_log2 (ALIGN / BITS_PER_UNIT)); \
|
| 277 |
|
|
ASM_OUTPUT_LABEL (STREAM, NAME); \
|
| 278 |
|
|
fprintf (STREAM, "\t.space\t%d\n", (int)(SIZE)); \
|
| 279 |
|
|
} \
|
| 280 |
|
|
while (0)
|
| 281 |
|
|
#endif
|
| 282 |
|
|
|
| 283 |
|
|
/* Output a zero-initialized block. */
|
| 284 |
|
|
#ifndef ASM_OUTPUT_ALIGNED_BSS
|
| 285 |
|
|
#define ASM_OUTPUT_ALIGNED_BSS(STREAM, DECL, NAME, SIZE, ALIGN) \
|
| 286 |
|
|
asm_output_aligned_bss (STREAM, DECL, NAME, SIZE, ALIGN)
|
| 287 |
|
|
#endif
|
| 288 |
|
|
|
| 289 |
|
|
/* Output a #ident directive. */
|
| 290 |
|
|
#ifndef ASM_OUTPUT_IDENT
|
| 291 |
|
|
#define ASM_OUTPUT_IDENT(STREAM,STRING) \
|
| 292 |
|
|
asm_fprintf (STREAM, "%@ - - - ident %s\n", STRING)
|
| 293 |
|
|
#endif
|
| 294 |
|
|
|
| 295 |
|
|
#ifndef ASM_COMMENT_START
|
| 296 |
|
|
#define ASM_COMMENT_START "@"
|
| 297 |
|
|
#endif
|
| 298 |
|
|
|
| 299 |
|
|
/* This works for GAS and some other assemblers. */
|
| 300 |
|
|
#define SET_ASM_OP "\t.set\t"
|
