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comparison gcc/config/i386/linux.h @ 55:77e2b8dfacca gcc-4.4.5

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update it from 4.4.3 to 4.5.0
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Fri, 12 Feb 2010 23:39:51 +0900
parents 58ad6c70ea60
children b7f97abdc517
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52:c156f1bd5cd9 55:77e2b8dfacca
1 /* Definitions for Intel 386 running Linux-based GNU systems with ELF format. 1 /* Definitions for Intel 386 running Linux-based GNU systems with ELF format.
2 Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2001, 2002, 2004, 2005, 2 Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2001, 2002, 2004, 2005,
3 2006, 2007, 2008 Free Software Foundation, Inc. 3 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
4 Contributed by Eric Youngdale. 4 Contributed by Eric Youngdale.
5 Modified for stabs-in-ELF by H.J. Lu. 5 Modified for stabs-in-ELF by H.J. Lu.
6 6
7 This file is part of GCC. 7 This file is part of GCC.
8 8
102 #define LINK_EMULATION "elf_i386" 102 #define LINK_EMULATION "elf_i386"
103 #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" 103 #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
104 104
105 #undef ASM_SPEC 105 #undef ASM_SPEC
106 #define ASM_SPEC \ 106 #define ASM_SPEC \
107 "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \ 107 "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} --32 \
108 %{!mno-sse2avx:%{mavx:-msse2avx}} %{msse2avx:%{!mavx:-msse2avx}}" 108 %{!mno-sse2avx:%{mavx:-msse2avx}} %{msse2avx:%{!mavx:-msse2avx}}"
109 109
110 #undef SUBTARGET_EXTRA_SPECS 110 #undef SUBTARGET_EXTRA_SPECS
111 #define SUBTARGET_EXTRA_SPECS \ 111 #define SUBTARGET_EXTRA_SPECS \
112 { "link_emulation", LINK_EMULATION },\ 112 { "link_emulation", LINK_EMULATION },\
154 /* Make sure that we have at least 8 byte alignment if > 8 byte \ 154 /* Make sure that we have at least 8 byte alignment if > 8 byte \
155 alignment is preferred. */ \ 155 alignment is preferred. */ \
156 if ((LOG) > 3 \ 156 if ((LOG) > 3 \
157 && (1 << (LOG)) > ((MAX_SKIP) + 1) \ 157 && (1 << (LOG)) > ((MAX_SKIP) + 1) \
158 && (MAX_SKIP) >= 7) \ 158 && (MAX_SKIP) >= 7) \
159 fprintf ((FILE), "\t.p2align 3\n"); \ 159 fputs ("\t.p2align 3\n", (FILE)); \
160 } \ 160 } \
161 } \ 161 } \
162 } while (0) 162 } while (0)
163 #endif 163 #endif
164 164
205 #undef NEED_INDICATE_EXEC_STACK 205 #undef NEED_INDICATE_EXEC_STACK
206 #define NEED_INDICATE_EXEC_STACK 1 206 #define NEED_INDICATE_EXEC_STACK 1
207 207
208 #define MD_UNWIND_SUPPORT "config/i386/linux-unwind.h" 208 #define MD_UNWIND_SUPPORT "config/i386/linux-unwind.h"
209 209
210 /* The stack pointer needs to be moved while checking the stack. */
211 #define STACK_CHECK_MOVING_SP 1
212
210 /* This macro may be overridden in i386/k*bsd-gnu.h. */ 213 /* This macro may be overridden in i386/k*bsd-gnu.h. */
211 #define REG_NAME(reg) reg 214 #define REG_NAME(reg) reg
212 215
213 #ifdef TARGET_LIBC_PROVIDES_SSP 216 #ifdef TARGET_LIBC_PROVIDES_SSP
214 /* i386 glibc provides __stack_chk_guard in %gs:0x14. */ 217 /* i386 glibc provides __stack_chk_guard in %gs:0x14. */