/* Definitions for Intel 386 running Linux-based GNU systems with ELF format.
- Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2001, 2002
- Free Software Foundation, Inc.
+ Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2001, 2002, 2004, 2005,
+ 2006, 2007 Free Software Foundation, Inc.
Contributed by Eric Youngdale.
Modified for stabs-in-ELF by H.J. Lu.
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 2, or (at your option)
+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,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
/* Output at beginning of assembler file. */
/* The .file command should always begin the output. */
frame, so we cannot allow profiling without a frame pointer. */
#undef SUBTARGET_FRAME_POINTER_REQUIRED
-#define SUBTARGET_FRAME_POINTER_REQUIRED current_function_profile
+#define SUBTARGET_FRAME_POINTER_REQUIRED crtl->profile
#undef SIZE_TYPE
#define SIZE_TYPE "unsigned int"
do \
{ \
LINUX_TARGET_OS_CPP_BUILTINS(); \
- if (flag_pic) \
- { \
- builtin_define ("__PIC__"); \
- builtin_define ("__pic__"); \
- } \
} \
while (0)
/* If ELF is the default format, we should not use /lib/elf. */
+/* These macros may be overridden in k*bsd-gnu.h and i386/k*bsd-gnu.h. */
#define LINK_EMULATION "elf_i386"
-#define DYNAMIC_LINKER "/lib/ld-linux.so.2"
+#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
+
+#undef ASM_SPEC
+#define ASM_SPEC \
+ "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \
+ %{!mno-sse2avx:%{mavx:-msse2avx}} %{msse2avx:%{!mavx:-msse2avx}}"
#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS \
{ "link_emulation", LINK_EMULATION },\
- { "dynamic_linker", DYNAMIC_LINKER }
+ { "dynamic_linker", LINUX_DYNAMIC_LINKER }
#undef LINK_SPEC
#define LINK_SPEC "-m %(link_emulation) %{shared:-shared} \
%{!dynamic-linker:-dynamic-linker %(dynamic_linker)}} \
%{static:-static}}}"
+/* Similar to standard Linux, but adding -ffast-math support. */
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC \
+ "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
+ %{mpc32:crtprec32.o%s} \
+ %{mpc64:crtprec64.o%s} \
+ %{mpc80:crtprec80.o%s} \
+ %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
+
/* A C statement (sans semicolon) to output to the stdio stream
FILE the assembler definition of uninitialized global DECL named
NAME whose size is SIZE bytes and alignment is ALIGN bytes.
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)); \
+ 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)) \
+ fprintf ((FILE), "\t.p2align 3\n"); \
+ } \
} \
} while (0)
#endif
#define CRT_GET_RFIB_DATA(BASE) \
__asm__ ("call\t.LPR%=\n" \
".LPR%=:\n\t" \
- "popl\t%0\n\t" \
+ "pop{l}\t%0\n\t" \
/* Due to a GAS bug, this cannot use EAX. That encodes \
smaller than the traditional EBX, which results in the \
offset being off by one. */ \
- "addl\t$_GLOBAL_OFFSET_TABLE_+[.-.LPR%=],%0" \
+ "add{l}\t{$_GLOBAL_OFFSET_TABLE_+[.-.LPR%=],%0" \
+ "|%0,_GLOBAL_OFFSET_TABLE_+(.-.LPR%=)}" \
: "=d"(BASE))
#endif
+/* Put all *tf routines in libgcc. */
+#undef LIBGCC2_HAS_TF_MODE
+#define LIBGCC2_HAS_TF_MODE 1
+#define LIBGCC2_TF_CEXT q
+#define TF_SIZE 113
+
#undef NEED_INDICATE_EXEC_STACK
#define NEED_INDICATE_EXEC_STACK 1
#define MD_UNWIND_SUPPORT "config/i386/linux-unwind.h"
+
+/* This macro may be overridden in i386/k*bsd-gnu.h. */
+#define REG_NAME(reg) reg
+
+#ifdef TARGET_LIBC_PROVIDES_SSP
+/* i386 glibc provides __stack_chk_guard in %gs:0x14. */
+#define TARGET_THREAD_SSP_OFFSET 0x14
+#endif
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