gcc/config/aarch64/aarch64-coff.h

   1 /* Machine description for AArch64 architecture.
   2    Copyright (C) 2024 Free Software Foundation, Inc.
   3
   4    This file is part of GCC.
   5
   6    GCC is free software; you can redistribute it and/or modify it
   7    under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3, or (at your option)
   9    any later version.
  10
  11    GCC is distributed in the hope that it will be useful, but
  12    WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with GCC; see the file COPYING3.  If not see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef GCC_AARCH64_COFF_H
  21 #define GCC_AARCH64_COFF_H
  22
  23 #ifndef LOCAL_LABEL_PREFIX
  24 # define LOCAL_LABEL_PREFIX     ""
  25 #endif
  26
  27 /* Using long long breaks -ansi and -std=c90, so these will need to be
  28    made conditional for an LLP64 ABI.  */
  29 #undef SIZE_TYPE
  30 #define SIZE_TYPE       "long long unsigned int"
  31
  32 #undef PTRDIFF_TYPE
  33 #define PTRDIFF_TYPE    "long long int"
  34
  35 #undef LONG_TYPE_SIZE
  36 #define LONG_TYPE_SIZE 32
  37
  38 #ifndef ASM_GENERATE_INTERNAL_LABEL
  39 # define ASM_GENERATE_INTERNAL_LABEL(STRING, PREFIX, NUM)  \
  40   sprintf (STRING, "*%s%s%u", LOCAL_LABEL_PREFIX, PREFIX, (unsigned int)(NUM))
  41 #endif
  42
  43 #define ASM_OUTPUT_ALIGN(STREAM, POWER)         \
  44   fprintf (STREAM, "\t.align\t%d\n", (int)POWER)
  45
  46 /* Output a common block.  */
  47 #ifndef ASM_OUTPUT_COMMON
  48 # define ASM_OUTPUT_COMMON(STREAM, NAME, SIZE, ROUNDED) \
  49     {                                                   \
  50       fprintf (STREAM, "\t.comm\t");                    \
  51       assemble_name (STREAM, NAME);                     \
  52       asm_fprintf (STREAM, ", %d, %d\n",                \
  53       (int)(ROUNDED), (int)(SIZE));     \
  54     }
  55 #endif
  56
  57 /* Output a local common block.  /bin/as can't do this, so hack a
  58    `.space' into the bss segment.  Note that this is *bad* practice,
  59    which is guaranteed NOT to work since it doesn't define STATIC
  60    COMMON space but merely STATIC BSS space.  */
  61 #ifndef ASM_OUTPUT_ALIGNED_LOCAL
  62 # define ASM_OUTPUT_ALIGNED_LOCAL(STREAM, NAME, SIZE, ALIGN)            \
  63     {                                                                   \
  64       switch_to_section (bss_section);                                  \
  65       ASM_OUTPUT_ALIGN (STREAM, floor_log2 (ALIGN / BITS_PER_UNIT));    \
  66       ASM_OUTPUT_LABEL (STREAM, NAME);                                  \
  67       fprintf (STREAM, "\t.space\t%d\n", (int)(SIZE));                  \
  68     }
  69 #endif
  70
  71 #define ASM_OUTPUT_SKIP(STREAM, NBYTES)         \
  72   fprintf (STREAM, "\t.space\t%d  // skip\n", (int) (NBYTES))
  73
  74 /* Definitions that are not yet supported by binutils for the
  75    aarch64-w64-mingw32 target.  */
  76 #define ASM_OUTPUT_TYPE_DIRECTIVE(STREAM, NAME, TYPE)
  77 #define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL)
  78
  79 #define TEXT_SECTION_ASM_OP     "\t.text"
  80 #define DATA_SECTION_ASM_OP     "\t.data"
  81 #define BSS_SECTION_ASM_OP      "\t.bss"
  82
  83 #define CTORS_SECTION_ASM_OP    "\t.section\t.ctors, \"aw\""
  84 #define DTORS_SECTION_ASM_OP    "\t.section\t.dtors, \"aw\""
  85
  86 #define GLOBAL_ASM_OP "\t.global\t"
  87
  88 #undef SUPPORTS_INIT_PRIORITY
  89 #define SUPPORTS_INIT_PRIORITY 0
  90
  91 #endif