Eliminate the computed goto in x64 varargs.

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

diff --git a/gcc/config/i386/cygming.h b/gcc/config/i386/cygming.h
index 43003cc..1587af4 100644 (file)
--- a/gcc/config/i386/cygming.h
+++ b/gcc/config/i386/cygming.h
@@ -1,7 +1,7 @@
 /* Operating system specific defines to be used when targeting GCC for
    hosting on Windows32, using a Unix style C library and tools.
    Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
-   2004, 2005, 2007, 2008, 2009
+   2004, 2005, 2007, 2008, 2009, 2010
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -39,6 +39,23 @@ along with GCC; see the file COPYING3.  If not see
 #undef DEFAULT_ABI
 #define DEFAULT_ABI (TARGET_64BIT ? MS_ABI : SYSV_ABI)
 
+#if ! defined (USE_MINGW64_LEADING_UNDERSCORES)
+#undef USER_LABEL_PREFIX
+#define USER_LABEL_PREFIX (TARGET_64BIT ? "" : "_")
+
+#undef LOCAL_LABEL_PREFIX
+#define LOCAL_LABEL_PREFIX (TARGET_64BIT ? "." : "")
+
+#undef ASM_GENERATE_INTERNAL_LABEL
+#define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER)  \
+  sprintf ((BUF), "*%s%s%ld", LOCAL_LABEL_PREFIX, \
+          (PREFIX), (long)(NUMBER))
+
+#undef LPREFIX
+#define LPREFIX (TARGET_64BIT ? ".L" : "L")
+
+#endif
+
 #undef DBX_REGISTER_NUMBER
 #define DBX_REGISTER_NUMBER(n)                         \
   (TARGET_64BIT ? dbx64_register_map[n]                        \
@@ -49,8 +66,9 @@ along with GCC; see the file COPYING3.  If not see
    target, always use the svr4_dbx_register_map for DWARF .eh_frame
    even if we don't use DWARF .debug_frame. */
 #undef DWARF_FRAME_REGNUM
-#define DWARF_FRAME_REGNUM(n) TARGET_64BIT \
-       ? dbx64_register_map[(n)] : svr4_dbx_register_map[(n)] 
+#define DWARF_FRAME_REGNUM(n)                          \
+  (TARGET_64BIT ? dbx64_register_map[(n)]              \
+               : svr4_dbx_register_map[(n)])
 
 #ifdef HAVE_GAS_PE_SECREL32_RELOC
 /* Use section relative relocations for debugging offsets.  Unlike
@@ -78,11 +96,13 @@ along with GCC; see the file COPYING3.  If not see
        builtin_assert ("system=winnt");                                \
        builtin_define ("__stdcall=__attribute__((__stdcall__))");      \
        builtin_define ("__fastcall=__attribute__((__fastcall__))");    \
+       builtin_define ("__thiscall=__attribute__((__thiscall__))");    \
        builtin_define ("__cdecl=__attribute__((__cdecl__))");          \
        if (!flag_iso)                                                  \
          {                                                             \
            builtin_define ("_stdcall=__attribute__((__stdcall__))");   \
            builtin_define ("_fastcall=__attribute__((__fastcall__))"); \
+           builtin_define ("_thiscall=__attribute__((__thiscall__))"); \
            builtin_define ("_cdecl=__attribute__((__cdecl__))");       \
          }                                                             \
        /* Even though linkonce works with static libs, this is needed  \
@@ -126,8 +146,6 @@ along with GCC; see the file COPYING3.  If not see
 \f
 /* Enable parsing of #pragma pack(push,<n>) and #pragma pack(pop).  */
 #define HANDLE_PRAGMA_PACK_PUSH_POP 1
-/* Enable push_macro & pop_macro */
-#define HANDLE_PRAGMA_PUSH_POP_MACRO 1
 
 union tree_node;
 #define TREE union tree_node *
@@ -146,7 +164,15 @@ union tree_node;
 #undef  SUBTARGET_OVERRIDE_OPTIONS
 #define SUBTARGET_OVERRIDE_OPTIONS                                     \
 do {                                                                   \
-  if (flag_pic)                                                                \
+  if (TARGET_64BIT && flag_pic != 1)                                   \
+    {                                                                  \
+      if (flag_pic > 1)                                                        \
+        warning (0,                                                    \
+                "-fPIC ignored for target (all code is position independent)"\
+                 );                                                    \
+      flag_pic = 1;                                                    \
+    }                                                                  \
+  else if (!TARGET_64BIT && flag_pic)                                  \
     {                                                                  \
       warning (0, "-f%s ignored for target (all code is position independent)",\
               (flag_pic > 1) ? "PIC" : "pic");                         \
@@ -250,7 +276,7 @@ do {                                                \
       i386_pe_maybe_record_exported_symbol (DECL, NAME, 0);            \
       if (write_symbols != SDB_DEBUG)                                  \
        i386_pe_declare_function_type (FILE, NAME, TREE_PUBLIC (DECL)); \
-      ASM_OUTPUT_LABEL (FILE, NAME);                                   \
+      ASM_OUTPUT_FUNCTION_LABEL (FILE, NAME, DECL);                    \
     }                                                                  \
   while (0)
 
@@ -362,6 +388,7 @@ do {                                                \
     {                                                                  \
       const char *alias                                                        \
        = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL));              \
+      i386_pe_maybe_record_exported_symbol (DECL, alias, 0);           \
       if (TREE_CODE (DECL) == FUNCTION_DECL)                           \
        i386_pe_declare_function_type (STREAM, alias,                   \
                                       TREE_PUBLIC (DECL));             \
@@ -402,6 +429,9 @@ do {                                                \
 #define TARGET_CXX_ADJUST_CLASS_AT_DEFINITION i386_pe_adjust_class_at_definition
 #define TARGET_MANGLE_DECL_ASSEMBLER_NAME i386_pe_mangle_decl_assembler_name
 
+/* Static stack checking is supported by means of probes.  */
+#define STACK_CHECK_STATIC_BUILTIN 1
+
 #undef TREE
 
 #ifndef BUFSIZ