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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [config/] [arm/] [aof.h] - Blame information for rev 816

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1 38 julius
/* Definitions of target machine for GNU compiler, for Advanced RISC Machines
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   ARM compilation, AOF Assembler.
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   Copyright (C) 1995, 1996, 1997, 2000, 2003, 2004, 2007
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   Free Software Foundation, Inc.
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   Contributed by Richard Earnshaw (rearnsha@armltd.co.uk)
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   This file is part of GCC.
8
 
9
   GCC is free software; you can redistribute it and/or modify it
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   under the terms of the GNU General Public License as published
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   by the Free Software Foundation; either version 3, or (at your
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   option) any later version.
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   GCC is distributed in the hope that it will be useful, but WITHOUT
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   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
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   License for more details.
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   You should have received a copy of the GNU General Public License
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   along with GCC; see the file COPYING3.  If not see
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   <http://www.gnu.org/licenses/>.  */
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23
 
24
 
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#define AOF_ASSEMBLER
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#define LINK_LIBGCC_SPECIAL 1
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#define LINK_SPEC "%{aof} %{bin} %{aif} %{ihf} %{shl,*} %{reent*} %{split} \
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                   %{ov*} %{reloc*} -nodebug"
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#define STARTFILE_SPEC "crtbegin.o%s"
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#define ENDFILE_SPEC "crtend.o%s"
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#ifndef ASM_SPEC
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#define ASM_SPEC "%{g -g} -arch 4 -apcs 3/32bit"
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#endif
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#ifndef LIB_SPEC
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#define LIB_SPEC "%{Eb: armlib_h.32b%s}%{!Eb: armlib_h.32l%s}"
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#endif
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#define LIBGCC_SPEC "libgcc.a%s"
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#define CTOR_LIST_BEGIN                         \
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  asm (CTORS_SECTION_ASM_OP);                   \
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  extern func_ptr __CTOR_END__[1];              \
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  func_ptr __CTOR_LIST__[1] = {__CTOR_END__};
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#define CTOR_LIST_END                           \
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  asm (CTORS_SECTION_ASM_OP);                   \
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  func_ptr __CTOR_END__[1] = { (func_ptr) 0 };
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#define DO_GLOBAL_CTORS_BODY                    \
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  do                                            \
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    {                                           \
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      func_ptr *ptr = __CTOR_LIST__ + 1;        \
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                                                \
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      while (*ptr)                              \
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        (*ptr++) ();                            \
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    }                                           \
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  while (0)
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#define DTOR_LIST_BEGIN                         \
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  asm (DTORS_SECTION_ASM_OP);                   \
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  extern func_ptr __DTOR_END__[1];              \
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  func_ptr __DTOR_LIST__[1] = {__DTOR_END__};
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#define DTOR_LIST_END                           \
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  asm (DTORS_SECTION_ASM_OP);                   \
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  func_ptr __DTOR_END__[1] = { (func_ptr) 0 };
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#define DO_GLOBAL_DTORS_BODY                    \
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  do                                            \
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    {                                           \
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      func_ptr *ptr = __DTOR_LIST__ + 1;        \
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                                                \
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      while (*ptr)                              \
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        (*ptr++) ();                            \
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    }                                           \
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  while (0)
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84
/* We really want to put Thumb tables in a read-only data section, but
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   switching to another section during function output is not
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   possible.  We could however do what the SPARC does and defer the
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   whole table generation until the end of the function.  */
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#define JUMP_TABLES_IN_TEXT_SECTION 1
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#define TARGET_ASM_INIT_SECTIONS aof_asm_init_sections
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/* Some systems use __main in a way incompatible with its use in gcc, in these
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   cases use the macros NAME__MAIN to give a quoted symbol and SYMBOL__MAIN to
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   give the same symbol without quotes for an alternative entry point.  You
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   must define both, or neither.  */
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#define NAME__MAIN "__gccmain"
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#define SYMBOL__MAIN __gccmain
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#define ASM_COMMENT_START ";"
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#define ASM_APP_ON        ""
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#define ASM_APP_OFF       ""
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#define ASM_OUTPUT_ASCII(STREAM, PTR, LEN)              \
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{                                                       \
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  int i;                                                \
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  const char *ptr = (PTR);                              \
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  fprintf ((STREAM), "\tDCB");                          \
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  for (i = 0; i < (long)(LEN); i++)                     \
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    fprintf ((STREAM), " &%02x%s",                      \
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             (unsigned ) *(ptr++),                      \
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             (i + 1 < (long)(LEN)                       \
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              ? ((i & 3) == 3 ? "\n\tDCB" : ",")        \
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              : "\n"));                                 \
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}
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#define IS_ASM_LOGICAL_LINE_SEPARATOR(C) ((C) == '\n')
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118
/* Output of Uninitialized Variables.  */
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120
#define ASM_OUTPUT_COMMON(STREAM, NAME, SIZE, ROUNDED)          \
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  (in_section = NULL,                                           \
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   fprintf ((STREAM), "\tAREA "),                               \
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   assemble_name ((STREAM), (NAME)),                            \
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   fprintf ((STREAM), ", DATA, COMMON\n\t%% %d\t%s size=%d\n",  \
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            (int)(ROUNDED), ASM_COMMENT_START, (int)(SIZE)))
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127
#define ASM_OUTPUT_LOCAL(STREAM, NAME, SIZE, ROUNDED)   \
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   (zero_init_section (),                               \
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    assemble_name ((STREAM), (NAME)),                   \
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    fprintf ((STREAM), "\n"),                           \
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    fprintf ((STREAM), "\t%% %d\t%s size=%d\n",         \
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             (int)(ROUNDED), ASM_COMMENT_START, (int)(SIZE)))
133
 
134
/* Output and Generation of Labels */
135
extern int arm_main_function;
136
 
137
/* Globalizing directive for a label.  */
138
#define GLOBAL_ASM_OP "\tEXPORT\t"
139
 
140
#define ASM_OUTPUT_LABEL(STREAM,NAME)   \
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do {                                    \
142
  assemble_name (STREAM,NAME);          \
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  fputs ("\n", STREAM);                 \
144
} while (0)
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146
#define ASM_DECLARE_FUNCTION_NAME(STREAM,NAME,DECL) \
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{                                               \
148
  if (TARGET_POKE_FUNCTION_NAME)                \
149
    arm_poke_function_name ((STREAM), (NAME));  \
150
  ASM_OUTPUT_LABEL (STREAM, NAME);              \
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  if (! TREE_PUBLIC (DECL))                     \
152
    {                                           \
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      fputs ("\tKEEP ", STREAM);                \
154
      ASM_OUTPUT_LABEL (STREAM, NAME);          \
155
    }                                           \
156
  aof_delete_import ((NAME));                   \
157
}
158
 
159
#define ASM_DECLARE_OBJECT_NAME(STREAM,NAME,DECL) \
160
{                                               \
161
  ASM_OUTPUT_LABEL (STREAM, NAME);              \
162
  if (! TREE_PUBLIC (DECL))                     \
163
    {                                           \
164
      fputs ("\tKEEP ", STREAM);                \
165
      ASM_OUTPUT_LABEL (STREAM, NAME);          \
166
    }                                           \
167
  aof_delete_import ((NAME));                   \
168
}
169
 
170
#define ASM_OUTPUT_EXTERNAL(STREAM,DECL,NAME)   \
171
 aof_add_import ((NAME))
172
 
173
#define ASM_OUTPUT_EXTERNAL_LIBCALL(STREAM,SYMREF)      \
174
 (fprintf ((STREAM), "\tIMPORT\t"),                     \
175
  assemble_name ((STREAM), XSTR ((SYMREF), 0)),         \
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  fputc ('\n', (STREAM)))
177
 
178
#define ASM_OUTPUT_LABELREF(STREAM,NAME)        \
179
  fprintf ((STREAM), "|%s|", NAME)
180
 
181
#define ASM_GENERATE_INTERNAL_LABEL(STRING,PREFIX,NUM)  \
182
  sprintf ((STRING), "*|%s..%ld|", (PREFIX), (long)(NUM))
183
 
184
/* How initialization functions are handled.  */
185
 
186
#define CTORS_SECTION_ASM_OP "\tAREA\t|C$$gnu_ctorsvec|, DATA, READONLY"
187
#define DTORS_SECTION_ASM_OP "\tAREA\t|C$$gnu_dtorsvec|, DATA, READONLY"
188
 
189
/* Output of Assembler Instructions.  */
190
 
191
#define REGISTER_NAMES                          \
192
{                                               \
193
  "a1", "a2", "a3", "a4",                       \
194
  "v1", "v2", "v3", "v4",                       \
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  "v5", "v6", "sl", "fp",                       \
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  "ip", "sp", "lr", "pc",                       \
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  "f0", "f1", "f2", "f3",                       \
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  "f4", "f5", "f6", "f7",                       \
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  "cc", "sfp", "afp",                           \
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  "mv0",   "mv1",   "mv2",   "mv3",             \
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  "mv4",   "mv5",   "mv6",   "mv7",             \
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  "mv8",   "mv9",   "mv10",  "mv11",            \
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  "mv12",  "mv13",  "mv14",  "mv15",            \
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  "wcgr0", "wcgr1", "wcgr2", "wcgr3",           \
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  "wr0",   "wr1",   "wr2",   "wr3",             \
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  "wr4",   "wr5",   "wr6",   "wr7",             \
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  "wr8",   "wr9",   "wr10",  "wr11",            \
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  "wr12",  "wr13",  "wr14",  "wr15",            \
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  "s0",  "s1",  "s2",  "s3",  "s4",  "s5",  "s6",  "s7",  \
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  "s8",  "s9",  "s10", "s11", "s12", "s13", "s14", "s15", \
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  "s16", "s17", "s18", "s19", "s20", "s21", "s22", "s23", \
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  "s24", "s25", "s26", "s27", "s28", "s29", "s30", "s31",  \
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  "vfpcc"                                       \
214
}
215
 
216
#define ADDITIONAL_REGISTER_NAMES               \
217
{                                               \
218
  {"r0", 0}, {"a1", 0},                         \
219
  {"r1", 1}, {"a2", 1},                         \
220
  {"r2", 2}, {"a3", 2},                         \
221
  {"r3", 3}, {"a4", 3},                         \
222
  {"r4", 4}, {"v1", 4},                         \
223
  {"r5", 5}, {"v2", 5},                         \
224
  {"r6", 6}, {"v3", 6},                         \
225
  {"r7", 7}, {"wr", 7},                         \
226
  {"r8", 8}, {"v5", 8},                         \
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  {"r9", 9}, {"v6", 9},                         \
228
  {"r10", 10}, {"sl", 10}, {"v7", 10},          \
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  {"r11", 11}, {"fp", 11},                      \
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  {"r12", 12}, {"ip", 12},                      \
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  {"r13", 13}, {"sp", 13},                      \
232
  {"r14", 14}, {"lr", 14},                      \
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  {"r15", 15}, {"pc", 15},                      \
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  {"d0", 63},                                   \
235
  {"d1", 65},                                   \
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  {"d2", 67},                                   \
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  {"d3", 69},                                   \
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  {"d4", 71},                                   \
239
  {"d5", 73},                                   \
240
  {"d6", 75},                                   \
241
  {"d7", 77},                                   \
242
  {"d8", 79},                                   \
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  {"d9", 81},                                   \
244
  {"d10", 83},                                  \
245
  {"d11", 85},                                  \
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  {"d12", 87},                                  \
247
  {"d13", 89},                                  \
248
  {"d14", 91},                                  \
249
  {"d15", 93}                                   \
250
}
251
 
252
#define REGISTER_PREFIX "__"
253
#define USER_LABEL_PREFIX ""
254
#define LOCAL_LABEL_PREFIX ""
255
 
256
/* AOF does not prefix user function names with an underscore.  */
257
#define ARM_MCOUNT_NAME "_mcount"
258
 
259
/* Output of Dispatch Tables.  */
260
#define ASM_OUTPUT_ADDR_DIFF_ELT(STREAM, BODY, VALUE, REL)                      \
261
  do                                                                            \
262
    {                                                                           \
263
      if (TARGET_ARM)                                                           \
264
        fprintf ((STREAM), "\tb\t|L..%d|\n", (VALUE));                          \
265
      else                                                                      \
266
        fprintf ((STREAM), "\tDCD\t|L..%d| - |L..%d|\n", (VALUE), (REL));       \
267
    }                                                                           \
268
  while (0)
269
 
270
#define ASM_OUTPUT_ADDR_VEC_ELT(STREAM, VALUE)  \
271
  fprintf ((STREAM), "\tDCD\t|L..%d|\n", (VALUE))
272
 
273
/* A label marking the start of a jump table is a data label.  */
274
#define ASM_OUTPUT_CASE_LABEL(STREAM, PREFIX, NUM, TABLE)       \
275
  fprintf ((STREAM), "\tALIGN\n|%s..%d|\n", (PREFIX), (NUM))
276
 
277
/* Assembler Commands for Alignment.  */
278
#define ASM_OUTPUT_SKIP(STREAM, NBYTES)         \
279
 fprintf ((STREAM), "\t%%\t%d\n", (int) (NBYTES))
280
 
281
#define ASM_OUTPUT_ALIGN(STREAM, POWER)                 \
282
  do                                                    \
283
    {                                                   \
284
      int amount = 1 << (POWER);                        \
285
                                                        \
286
      if (amount == 2)                                  \
287
        fprintf ((STREAM), "\tALIGN 2\n");              \
288
      else if (amount == 4)                             \
289
        fprintf ((STREAM), "\tALIGN\n");                \
290
      else                                              \
291
        fprintf ((STREAM), "\tALIGN %d\n", amount);     \
292
    }                                                   \
293
  while (0)
294
 
295
#undef DBX_DEBUGGING_INFO

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