/* OS independent definitions for AMD x86-64. Copyright (C) 2001-2020 Free Software Foundation, Inc. Contributed by Bo Thorsen . This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. Under Section 7 of GPL version 3, you are granted additional permissions described in the GCC Runtime Library Exception, version 3.1, as published by the Free Software Foundation. You should have received a copy of the GNU General Public License and a copy of the GCC Runtime Library Exception along with this program; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see . */ #undef ASM_COMMENT_START #define ASM_COMMENT_START "#" #undef DBX_REGISTER_NUMBER #define DBX_REGISTER_NUMBER(n) \ (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n]) /* Output assembler code to FILE to call the profiler. */ #define NO_PROFILE_COUNTERS 1 #undef MCOUNT_NAME #define MCOUNT_NAME "mcount" #undef SIZE_TYPE #define SIZE_TYPE (TARGET_LP64 ? "long unsigned int" : "unsigned int") #undef PTRDIFF_TYPE #define PTRDIFF_TYPE (TARGET_LP64 ? "long int" : "int") #undef WCHAR_TYPE #define WCHAR_TYPE "int" #undef WCHAR_TYPE_SIZE #define WCHAR_TYPE_SIZE 32 #undef ASM_SPEC #define ASM_SPEC "%{m16|m32:--32} %{m64:--64} %{mx32:--x32}" #undef ASM_OUTPUT_ALIGNED_BSS #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ x86_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN) #undef ASM_OUTPUT_ALIGNED_DECL_COMMON #define ASM_OUTPUT_ALIGNED_DECL_COMMON(FILE, DECL, NAME, SIZE, ALIGN) \ x86_elf_aligned_decl_common (FILE, DECL, NAME, SIZE, ALIGN); /* This is used to align code labels according to Intel recommendations. */ #define SUBALIGN_LOG 3 #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \ do { \ if ((LOG) != 0) { \ if ((MAX_SKIP) == 0 || (MAX_SKIP) >= (1 << (LOG)) - 1) \ fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ else \ fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ } \ } while (0) #undef ASM_OUTPUT_MAX_SKIP_PAD #define ASM_OUTPUT_MAX_SKIP_PAD(FILE, LOG, MAX_SKIP) \ if ((LOG) != 0) \ { \ if ((MAX_SKIP) == 0 || (MAX_SKIP) >= (1 << (LOG)) - 1) \ fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ else \ fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ } #endif /* i386 System V Release 4 uses DWARF debugging info. x86-64 ABI specifies DWARF2. */ #define DWARF2_DEBUGGING_INFO 1 #define DWARF2_UNWIND_INFO 1 #undef PREFERRED_DEBUGGING_TYPE #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG #undef TARGET_ASM_SELECT_SECTION #define TARGET_ASM_SELECT_SECTION x86_64_elf_select_section #undef TARGET_ASM_UNIQUE_SECTION #define TARGET_ASM_UNIQUE_SECTION x86_64_elf_unique_section #undef TARGET_SECTION_TYPE_FLAGS #define TARGET_SECTION_TYPE_FLAGS x86_64_elf_section_type_flags