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jeremybenn |
/* OS independent definitions for AMD x86-64.
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Copyright (C) 2001, 2005, 2007, 2009, 2010, 2011
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Free Software Foundation, Inc.
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Contributed by Bo Thorsen <bo@suse.de>.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#undef ASM_COMMENT_START
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#define ASM_COMMENT_START "#"
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#undef DBX_REGISTER_NUMBER
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#define DBX_REGISTER_NUMBER(n) \
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(TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
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/* Output assembler code to FILE to call the profiler. */
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#define NO_PROFILE_COUNTERS 1
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#undef MCOUNT_NAME
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#define MCOUNT_NAME "mcount"
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#undef SIZE_TYPE
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#define SIZE_TYPE (TARGET_LP64 ? "long unsigned int" : "unsigned int")
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE (TARGET_LP64 ? "long int" : "int")
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#undef WCHAR_TYPE
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#define WCHAR_TYPE "int"
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE 32
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#undef ASM_SPEC
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#define ASM_SPEC "%{m32:--32} %{m64:--64}"
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#undef ASM_OUTPUT_ALIGNED_BSS
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#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
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x86_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
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#undef ASM_OUTPUT_ALIGNED_COMMON
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#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
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x86_elf_aligned_common (FILE, NAME, SIZE, ALIGN);
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/* This is used to align code labels according to Intel recommendations. */
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#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
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#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
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do { \
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if ((LOG) != 0) { \
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if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
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else { \
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fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
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/* Make sure that we have at least 8 byte alignment if > 8 byte \
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alignment is preferred. */ \
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if ((LOG) > 3 \
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&& (1 << (LOG)) > ((MAX_SKIP) + 1) \
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&& (MAX_SKIP) >= 7) \
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fputs ("\t.p2align 3\n", (FILE)); \
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} \
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} \
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} while (0)
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#undef ASM_OUTPUT_MAX_SKIP_PAD
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#define ASM_OUTPUT_MAX_SKIP_PAD(FILE, LOG, MAX_SKIP) \
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if ((LOG) != 0) \
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{ \
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if ((MAX_SKIP) == 0) \
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fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
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else \
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fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
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}
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#endif
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/* i386 System V Release 4 uses DWARF debugging info.
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x86-64 ABI specifies DWARF2. */
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#define DWARF2_DEBUGGING_INFO 1
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#define DWARF2_UNWIND_INFO 1
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#undef PREFERRED_DEBUGGING_TYPE
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#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
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#undef TARGET_ASM_SELECT_SECTION
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#define TARGET_ASM_SELECT_SECTION x86_64_elf_select_section
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#undef TARGET_ASM_UNIQUE_SECTION
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#define TARGET_ASM_UNIQUE_SECTION x86_64_elf_unique_section
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