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/* OS independent definitions for AMD x86-64.
Copyright (C) 2001-2014 Free Software Foundation, Inc.
Contributed by Bo Thorsen <bo@suse.de>.
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
<http://www.gnu.org/licenses/>. */
#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 "%{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_COMMON
#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
x86_elf_aligned_common (FILE, NAME, SIZE, ALIGN);
/* This is used to align code labels according to Intel recommendations. */
#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
do { \
if ((LOG) != 0) { \
if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
else { \
fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
/* Make sure that we have at least 8 byte alignment if > 8 byte \
alignment is preferred. */ \
if ((LOG) > 3 \
&& (1 << (LOG)) > ((MAX_SKIP) + 1) \
&& (MAX_SKIP) >= 7) \
fputs ("\t.p2align 3\n", (FILE)); \
} \
} \
} 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) \
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
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