gcc/config/i386/i386elf.h

   1 /* Target definitions for GCC for Intel 80386 using ELF
   2    Copyright (C) 1988-2024 Free Software Foundation, Inc.
   3
   4    Derived from sysv4.h written by Ron Guilmette (rfg@netcom.com).
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 3, or (at your option)
  11 any later version.
  12
  13 GCC is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public 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 /* Define DEFAULT_PCC_STRUCT_RETURN to 1 because the i386 SVR4 ABI returns
  23    records and unions in memory. ix86_option_override_internal will overide
  24    this flag when compiling 64-bit code as we never do pcc_struct_return
  25    scheme on x86-64.  */
  26 #undef DEFAULT_PCC_STRUCT_RETURN
  27 #define DEFAULT_PCC_STRUCT_RETURN 1
  28
  29 #undef CPP_SPEC
  30 #define CPP_SPEC ""
  31
  32 #define ENDFILE_SPEC "crtend.o%s"
  33
  34 #define STARTFILE_SPEC "%{!shared: \
  35                          %{!symbolic: \
  36                           %{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}}\
  37                         crtbegin.o%s"
  38
  39 #undef DEBUGGER_REGNO
  40 #define DEBUGGER_REGNO(n) \
  41   (TARGET_64BIT ? debugger64_register_map[n] : svr4_debugger_register_map[n])
  42
  43 #define LOCAL_LABEL_PREFIX      "."
  44
  45 /* Switch into a generic section.  */
  46 #define TARGET_ASM_NAMED_SECTION  default_elf_asm_named_section
  47
  48 #undef BSS_SECTION_ASM_OP
  49 #define BSS_SECTION_ASM_OP "\t.section\t.bss"
  50
  51 #undef ASM_OUTPUT_ALIGNED_BSS
  52 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
  53   asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)