* config/i386/freebsd.h (LINK_SPEC): Cut long comment.

[pf3gnuchains/gcc-fork.git] / gcc / config / i386 / linux.h

diff --git a/gcc/config/i386/linux.h b/gcc/config/i386/linux.h
index 9742b9b..a1eca56 100644 (file)
--- a/gcc/config/i386/linux.h
+++ b/gcc/config/i386/linux.h
@@ -1,6 +1,6 @@
 /* Definitions for Intel 386 running Linux-based GNU systems with ELF format.
    Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2001, 2002, 2004, 2005,
-   2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+   2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
    Contributed by Eric Youngdale.
    Modified for stabs-in-ELF by H.J. Lu.
 
@@ -85,13 +85,7 @@ along with GCC; see the file COPYING3.  If not see
 /* Provide a LINK_SPEC appropriate for Linux.  Here we provide support
    for the special GCC options -static and -shared, which allow us to
    link things in one of these three modes by applying the appropriate
-   combinations of options at link-time. We like to support here for
-   as many of the other GNU linker options as possible. But I don't
-   have the time to search for those flags. I am sure how to add
-   support for -soname shared_object_name. H.J.
-
-   I took out %{v:%{!V:-V}}. It is too much :-(. They can use
-   -Wl,-V.
+   combinations of options at link-time.
 
    When the -shared link option is used a final link is not being
    done.  */
@@ -104,8 +98,7 @@ along with GCC; see the file COPYING3.  If not see
 
 #undef  ASM_SPEC
 #define ASM_SPEC \
-  "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \
-  %{!mno-sse2avx:%{mavx:-msse2avx}} %{msse2avx:%{!mavx:-msse2avx}}"
+  "%{v} --32 %{!mno-sse2avx:%{mavx:-msse2avx}} %{msse2avx:%{!mavx:-msse2avx}}"
 
 #undef  SUBTARGET_EXTRA_SPECS
 #define SUBTARGET_EXTRA_SPECS \
@@ -156,7 +149,7 @@ along with GCC; see the file COPYING3.  If not see
        if ((LOG) > 3                                                   \
            && (1 << (LOG)) > ((MAX_SKIP) + 1)                          \
            && (MAX_SKIP) >= 7)                                         \
-         fprintf ((FILE), "\t.p2align 3\n");                           \
+         fputs ("\t.p2align 3\n", (FILE));                             \
       }                                                                        \
     }                                                                  \
   } while (0)
@@ -202,15 +195,24 @@ along with GCC; see the file COPYING3.  If not see
 #define LIBGCC2_TF_CEXT q
 #define TF_SIZE 113
 
-#undef NEED_INDICATE_EXEC_STACK
-#define NEED_INDICATE_EXEC_STACK 1
+#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
 
 #define MD_UNWIND_SUPPORT "config/i386/linux-unwind.h"
 
+/* The stack pointer needs to be moved while checking the stack.  */
+#define STACK_CHECK_MOVING_SP 1
+
+/* Static stack checking is supported by means of probes.  */
+#define STACK_CHECK_STATIC_BUILTIN 1
+
 /* 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
+
+/* We steal the last transactional memory word.  */
+#define TARGET_CAN_SPLIT_STACK
+#define TARGET_THREAD_SPLIT_STACK_OFFSET 0x30
 #endif