X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fconfig%2Fm68k%2Flinux.h;h=897410f383d886bce7b351efb9d628d5f99b1d72;hb=bfcb79ead2fdb04c289afde818583b4e4ddb899a;hp=5a693d05739d596c23f1fc12188fa762293804e0;hpb=dbddc6c40d60108eff1004ab455c8c371d7d5deb;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/config/m68k/linux.h b/gcc/config/m68k/linux.h
index 5a693d05739..897410f383d 100644
--- a/gcc/config/m68k/linux.h
+++ b/gcc/config/m68k/linux.h
@@ -1,6 +1,6 @@
 /* Definitions for Motorola 68k running Linux-based GNU systems with
    ELF format.
-   Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2004
+   Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2006
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -23,14 +23,10 @@ Boston, MA 02110-1301, USA.  */
 #undef TARGET_VERSION
 #define TARGET_VERSION fprintf (stderr, " (68k GNU/Linux with ELF)");
 
-/* Default target comes from config.gcc.  */
-
-#undef TARGET_DEFAULT
-#ifdef TARGET_CPU_DEFAULT
-#define TARGET_DEFAULT TARGET_CPU_DEFAULT
-#else
-#define TARGET_DEFAULT (MASK_BITFIELD|MASK_68881|MASK_68020)
-#endif
+/* Add %(asm_cpu_spec) to the svr4.h definition of ASM_SPEC.  */
+#undef ASM_SPEC
+#define ASM_SPEC \
+  "%(asm_cpu_spec) %{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*}"
 
 /* for 68k machines this only needs to be TRUE for the 68000 */
 
@@ -62,50 +58,11 @@ Boston, MA 02110-1301, USA.  */
 
 #define ASM_COMMENT_START "|"
 
-#undef SIZE_TYPE
-#define SIZE_TYPE "unsigned int"
-
-#undef PTRDIFF_TYPE
-#define PTRDIFF_TYPE "int"
-
-#undef WCHAR_TYPE
-#define WCHAR_TYPE "long int"
-
-#undef WCHAR_TYPE_SIZE
-#define WCHAR_TYPE_SIZE BITS_PER_WORD
-
 /* Target OS builtins.  */
-#define TARGET_OS_CPP_BUILTINS()		\
-  do						\
-    {						\
-	LINUX_TARGET_OS_CPP_BUILTINS();		\
-	builtin_define_std ("mc68000");		\
-	builtin_define_std ("mc68020");		\
-   }						\
-  while (0)
-
-#define TARGET_OBJFMT_CPP_BUILTINS()		\
-  do						\
-    {						\
-	builtin_define ("__ELF__");		\
-    }						\
-  while (0)
+#define TARGET_OS_CPP_BUILTINS() LINUX_TARGET_OS_CPP_BUILTINS()
 
 #undef CPP_SPEC
-#if TARGET_DEFAULT & MASK_68881
-#define CPP_SPEC \
-  "%{fPIC|fpic|fPIE|fpie:-D__PIC__ -D__pic__} %{!msoft-float:-D__HAVE_68881__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
-#else
-#define CPP_SPEC \
-  "%{fPIC|fpic|fPIE|fpie:-D__PIC__ -D__pic__} %{m68881:-D__HAVE_68881__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
-#endif
-
-/* We override the ASM_SPEC from svr4.h because we must pass -m68040 down
-   to the assembler.  */
-#undef ASM_SPEC
-#define ASM_SPEC \
-  "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \
-%{m68040} %{m68060:-m68040}"
+#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
 
 /* Provide a LINK_SPEC appropriate for GNU/Linux.  Here we provide support
    for the special GCC options -static and -shared, which allow us to
@@ -123,12 +80,14 @@ Boston, MA 02110-1301, USA.  */
 
 /* If ELF is the default format, we should not use /lib/elf.  */
 
+#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
+
 #undef	LINK_SPEC
 #define LINK_SPEC "-m m68kelf %{shared} \
   %{!shared: \
     %{!static: \
       %{rdynamic:-export-dynamic} \
-      %{!dynamic-linker*:-dynamic-linker /lib/ld.so.1}} \
+      %{!dynamic-linker*:-dynamic-linker " LINUX_DYNAMIC_LINKER "}} \
     %{static}}"
 
 /* For compatibility with linux/a.out */
@@ -190,12 +149,6 @@ Boston, MA 02110-1301, USA.  */
     fprintf (FILE, "\tjbsr _mcount\n");					\
 }
 
-/* How to renumber registers for dbx and gdb.
-   On the Sun-3, the floating point registers have numbers
-   18 to 25, not 16 to 23 as they do in the compiler.  */
-
-#define DBX_REGISTER_NUMBER(REGNO) ((REGNO) < 16 ? (REGNO) : (REGNO) + 2)
-
 /* Do not break .stabs pseudos into continuations.  */
 
 #define DBX_CONTIN_LENGTH 0
@@ -224,11 +177,7 @@ Boston, MA 02110-1301, USA.  */
 
 #undef FUNCTION_VALUE
 #define FUNCTION_VALUE(VALTYPE, FUNC)					\
-  (TREE_CODE (VALTYPE) == REAL_TYPE && TARGET_68881			\
-   ? gen_rtx_REG (TYPE_MODE (VALTYPE), 16)				\
-   : (POINTER_TYPE_P (VALTYPE)						\
-      ? gen_rtx_REG (TYPE_MODE (VALTYPE), 8)				\
-      : gen_rtx_REG (TYPE_MODE (VALTYPE), 0)))
+  m68k_function_value (VALTYPE, FUNC)
 
 /* For compatibility with the large body of existing code which does
    not always properly declare external functions returning pointer
@@ -251,10 +200,7 @@ do {									\
 
 #undef LIBCALL_VALUE
 #define LIBCALL_VALUE(MODE)						\
-  ((((MODE) == SFmode || (MODE) == DFmode || (MODE) == XFmode)		\
-    && TARGET_68881)							\
-   ? gen_rtx_REG ((MODE), 16)						\
-   : gen_rtx_REG ((MODE), 0))
+  m68k_libcall_value (MODE)
 
 /* For m68k SVR4, structures are returned using the reentrant
    technique.  */