]> oss.titaniummirror.com Git - msp430-gcc.git/blobdiff - gcc/config/i386/mingw32.h
Imported gcc-4.4.3
[msp430-gcc.git] / gcc / config / i386 / mingw32.h
index 629328ecb61665de36cbb8d97b5067393b67a14d..f3fbe8c586512db2554b306d57c05d22dccb0800 100644 (file)
@@ -1,60 +1,65 @@
 /* Operating system specific defines to be used when targeting GCC for
    hosting on Windows32, using GNU tools and the Windows32 API Library.
-   Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008,
+   2009 Free Software Foundation, Inc.
 
-This file is part of GNU CC.
+This file is part of GCC.
 
-GNU CC is free software; you can redistribute it and/or modify
+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.
 
-GNU CC is distributed in the hope that it will be useful,
+GCC is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-/* Most of this is the same as for cygwin, except for changing some
-   specs.  */
-
-/* Mingw GCC, unlike Cygwin's, must be relocatable. This macro must 
-   be defined before any other files are included.  */
-#ifndef WIN32_NO_ABSOLUTE_INST_DIRS
-#define WIN32_NO_ABSOLUTE_INST_DIRS 1
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#undef TARGET_VERSION
+#if TARGET_64BIT_DEFAULT
+#define TARGET_VERSION fprintf (stderr,"(x86_64 MinGW");
+#else
+#define TARGET_VERSION fprintf (stderr," (x86 MinGW)");
 #endif
 
-#include "i386/cygwin.h"
-
-#define TARGET_EXECUTABLE_SUFFIX ".exe"
-
-/* Please keep changes to CPP_PREDEFINES in sync with i386/crtdll. The
-   only difference between the two should be __MSVCRT__ needed to 
-   distinguish MSVC from CRTDLL runtime in mingw headers.  */
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-D_WIN32 -D__WIN32 -D__WIN32__ -DWIN32 \
-  -D__MINGW32__ -D__MSVCRT__ -DWINNT -D_X86_=1 \
-  -Asystem=winnt"
-
-/* Specific a different directory for the standard include files.  */
+/* See i386/crtdll.h for an alternative definition. _INTEGRAL_MAX_BITS
+   is for compatibility with native compiler.  */
+#define EXTRA_OS_CPP_BUILTINS()                                        \
+  do                                                           \
+    {                                                          \
+      builtin_define ("__MSVCRT__");                           \
+      builtin_define ("__MINGW32__");                          \
+      builtin_define ("_WIN32");                               \
+      builtin_define_std ("WIN32");                            \
+      builtin_define_std ("WINNT");                            \
+      builtin_define_with_int_value ("_INTEGRAL_MAX_BITS",     \
+                                    TYPE_PRECISION (intmax_type_node));\
+      if (TARGET_64BIT && DEFAULT_ABI == MS_ABI)                       \
+       {                                                       \
+         builtin_define ("__MINGW64__");                       \
+         builtin_define_std ("WIN64");                         \
+         builtin_define_std ("_WIN64");                        \
+       }                                                       \
+    }                                                          \
+  while (0)
+
+/* Override the standard choice of /usr/include as the default prefix
+   to try when searching for header files.  */
 #undef STANDARD_INCLUDE_DIR
-#define STANDARD_INCLUDE_DIR "/usr/local/mingw32/include"
+#if TARGET_64BIT_DEFAULT
+#define STANDARD_INCLUDE_DIR "/mingw/include64"
+#else
+#define STANDARD_INCLUDE_DIR "/mingw/include"
+#endif
 #undef STANDARD_INCLUDE_COMPONENT
 #define STANDARD_INCLUDE_COMPONENT "MINGW"
 
 #undef CPP_SPEC
-#define CPP_SPEC \
-  "-remap %(cpp_cpu) %{posix:-D_POSIX_SOURCE} %{mthreads:-D_MT} \
-  -D__stdcall=__attribute__((__stdcall__)) \
-  -D__cdecl=__attribute__((__cdecl__)) \
-  %{!ansi:-D_stdcall=__attribute__((__stdcall__)) \
-    -D_cdecl=__attribute__((__cdecl__))} \
-  -D__declspec(x)=__attribute__((x))"
-
+#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{mthreads:-D_MT}"
 
 /* For Windows applications, include more libraries, but always include
    kernel32.  */
@@ -62,47 +67,155 @@ Boston, MA 02111-1307, USA.  */
 #define LIB_SPEC "%{pg:-lgmon} %{mwindows:-lgdi32 -lcomdlg32} \
                   -luser32 -lkernel32 -ladvapi32 -lshell32"
 
-/* Include in the mingw32 libraries with libgcc */
-#undef LINK_SPEC
+/* Weak symbols do not get resolved if using a Windows dll import lib.
+   Make the unwind registration references strong undefs.  */
+#if DWARF2_UNWIND_INFO
+#define SHARED_LIBGCC_UNDEFS_SPEC \
+ "%{shared-libgcc: -u ___register_frame_info -u ___deregister_frame_info}"
+#else
+#define SHARED_LIBGCC_UNDEFS_SPEC ""
+#endif
+
+#undef  SUBTARGET_EXTRA_SPECS
+#define SUBTARGET_EXTRA_SPECS                                          \
+  { "shared_libgcc_undefs", SHARED_LIBGCC_UNDEFS_SPEC }
+
 #define LINK_SPEC "%{mwindows:--subsystem windows} \
   %{mconsole:--subsystem console} \
   %{shared: %{mdll: %eshared and mdll are not compatible}} \
   %{shared: --shared} %{mdll:--dll} \
   %{static:-Bstatic} %{!static:-Bdynamic} \
-  %{shared|mdll: -e _DllMainCRTStartup@12}"
+  %{shared|mdll: -e _DllMainCRTStartup@12 --enable-auto-image-base} \
+  %(shared_libgcc_undefs)"
 
 /* Include in the mingw32 libraries with libgcc */
-#undef LIBGCC_SPEC
-#define LIBGCC_SPEC \
-  "%{mthreads:-lmingwthrd} -lmingw32 -lgcc -lmoldname -lmsvcrt"
+#ifdef ENABLE_SHARED_LIBGCC
+#define SHARED_LIBGCC_SPEC "%{shared-libgcc:-lgcc_s} %{!shared-libgcc:-lgcc_eh}"
+#else
+#define SHARED_LIBGCC_SPEC /*empty*/
+#endif
+#undef REAL_LIBGCC_SPEC
+#define REAL_LIBGCC_SPEC \
+  "%{mthreads:-lmingwthrd} -lmingw32 \
+   "SHARED_LIBGCC_SPEC" \
+   -lgcc \
+   -lmoldname -lmingwex -lmsvcrt"
 
 #undef STARTFILE_SPEC
 #define STARTFILE_SPEC "%{shared|mdll:dllcrt2%O%s} \
-  %{!shared:%{!mdll:crt2%O%s}} %{pg:gcrt2%O%s}"
-
-/* MS runtime does not need a separate math library.  */
-#undef MATH_LIBRARY
-#define MATH_LIBRARY ""
+  %{!shared:%{!mdll:crt2%O%s}} %{pg:gcrt2%O%s} \
+  crtbegin.o%s"
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC \
+  "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
+  crtend.o%s"
+
+/* Override startfile prefix defaults.  */
+#ifndef STANDARD_STARTFILE_PREFIX_1
+#if TARGET_64BIT_DEFAULT
+#define STANDARD_STARTFILE_PREFIX_1 "/mingw/lib64/"
+#else
+#define STANDARD_STARTFILE_PREFIX_1 "/mingw/lib/"
+#endif
+#endif
+#ifndef STANDARD_STARTFILE_PREFIX_2
+#define STANDARD_STARTFILE_PREFIX_2 ""
+#endif
 
 /* Output STRING, a string representing a filename, to FILE.
-   We canonicalize it to be in MS-DOS format.  */
+   We canonicalize it to be in Unix format (backslashes are replaced
+   forward slashes.  */
 #undef OUTPUT_QUOTED_STRING
-#define OUTPUT_QUOTED_STRING(FILE, STRING) \
-do {                                           \
-  char c;                                      \
-                                               \
-  putc ('\"', asm_file);                       \
-                                               \
-  while ((c = *string++) != 0)                 \
-    {                                          \
-      if (c == '\\')                           \
-       c = '/';                                \
-                                               \
-      if (c == '\"')                           \
-       putc ('\\', asm_file);                  \
-      putc (c, asm_file);                      \
-    }                                          \
-                                               \
-  putc ('\"', asm_file);                       \
+#define OUTPUT_QUOTED_STRING(FILE, STRING)               \
+do {                                                    \
+  char c;                                               \
+                                                        \
+  putc ('\"', asm_file);                                \
+                                                        \
+  while ((c = *string++) != 0)                          \
+    {                                                   \
+      if (c == '\\')                                    \
+       c = '/';                                         \
+                                                        \
+      if (ISPRINT (c))                                   \
+        {                                                \
+          if (c == '\"')                                \
+           putc ('\\', asm_file);                       \
+          putc (c, asm_file);                           \
+        }                                                \
+      else                                               \
+        fprintf (asm_file, "\\%03o", (unsigned char) c); \
+    }                                                   \
+                                                        \
+  putc ('\"', asm_file);                                \
 } while (0)
 
+/* Define as short unsigned for compatibility with MS runtime.  */
+#undef WINT_TYPE
+#define WINT_TYPE "short unsigned int"
+
+/* mingw32 uses the  -mthreads option to enable thread support.  */
+#undef GOMP_SELF_SPECS
+#define GOMP_SELF_SPECS "%{fopenmp: -mthreads}"
+
+/* mingw32 atexit function is safe to use in shared libraries.  Use it
+   to register C++ static destructors.  */
+#define TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT hook_bool_void_true
+
+/* Contains a pointer to type target_ovr_attr defining the target specific
+   overrides of format attributes.  See c-format.h for structure
+   definition.  */
+#undef TARGET_OVERRIDES_FORMAT_ATTRIBUTES
+#define TARGET_OVERRIDES_FORMAT_ATTRIBUTES mingw_format_attribute_overrides
+
+/* Specify the count of elements in TARGET_OVERRIDES_ATTRIBUTE.  */
+#undef TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT
+#define TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT 3
+
+/* Custom initialization for warning -Wpedantic-ms-format for c-format.  */
+#undef TARGET_OVERRIDES_FORMAT_INIT
+#define TARGET_OVERRIDES_FORMAT_INIT msformat_init
+
+/* MS specific format attributes for ms_printf, ms_scanf, ms_strftime.  */
+#undef TARGET_FORMAT_TYPES
+#define TARGET_FORMAT_TYPES mingw_format_attributes
+
+#undef TARGET_N_FORMAT_TYPES
+#define TARGET_N_FORMAT_TYPES 3
+
+/* Let defaults.h definition of TARGET_USE_JCR_SECTION apply. */
+#undef TARGET_USE_JCR_SECTION
+
+#undef MINGW_ENABLE_EXECUTE_STACK
+#define MINGW_ENABLE_EXECUTE_STACK     \
+extern void __enable_execute_stack (void *);    \
+void         \
+__enable_execute_stack (void *addr)                                    \
+{                                                                      \
+  MEMORY_BASIC_INFORMATION b;                                          \
+  if (!VirtualQuery (addr, &b, sizeof(b)))                             \
+    abort ();                                                          \
+  VirtualProtect (b.BaseAddress, b.RegionSize, PAGE_EXECUTE_READWRITE, \
+                 &b.Protect);                                          \
+}
+
+#undef ENABLE_EXECUTE_STACK
+#define ENABLE_EXECUTE_STACK MINGW_ENABLE_EXECUTE_STACK
+
+#ifdef IN_LIBGCC2
+#include <windows.h>
+#endif
+
+#if !TARGET_64BIT
+#define MD_UNWIND_SUPPORT "config/i386/w32-unwind.h"
+#endif
+
+/* This matches SHLIB_SONAME and SHLIB_SOVERSION in t-cygming. */
+/* This matches SHLIB_SONAME and SHLIB_SOVERSION in t-cygwin. */
+#if DWARF2_UNWIND_INFO
+#define LIBGCC_EH_EXTN "_dw2"
+#else
+#define LIBGCC_EH_EXTN "_sjlj"
+#endif
+#define LIBGCC_SONAME "libgcc_s" LIBGCC_EH_EXTN "-1.dll"