first pass at gcc 4.5.0 patches for devkitPPC & devkitARM

dkarm-eabi/patches/gcc-4.5.0.patch

@@ -0,0 +1,188 @@
+diff -Nbaur gcc-4.5.0/gcc/config/arm/t-arm-elf gcc-4.5.0-arm/gcc/config/arm/t-arm-elf
+--- gcc-4.5.0/gcc/config/arm/t-arm-elf	2009-08-06 15:27:45.000000000 +0100
++++ gcc-4.5.0-arm/gcc/config/arm/t-arm-elf	2010-04-16 22:48:23.000000000 +0100
+@@ -36,30 +36,30 @@
+ MULTILIB_EXCEPTIONS  = 
+ MULTILIB_MATCHES     =
+ 
+-#MULTILIB_OPTIONS      += march=armv7
+-#MULTILIB_DIRNAMES     += thumb2
+-#MULTILIB_EXCEPTIONS   += march=armv7* marm/*march=armv7*
+-#MULTILIB_MATCHES      += march?armv7=march?armv7-a
+-#MULTILIB_MATCHES      += march?armv7=march?armv7-r
+-#MULTILIB_MATCHES      += march?armv7=march?armv7-m
+-#MULTILIB_MATCHES      += march?armv7=mcpu?cortex-a8
+-#MULTILIB_MATCHES      += march?armv7=mcpu?cortex-r4
+-#MULTILIB_MATCHES      += march?armv7=mcpu?cortex-m3
++MULTILIB_OPTIONS      += march=armv7
++MULTILIB_DIRNAMES     += thumb2
++MULTILIB_EXCEPTIONS   += march=armv7* marm/*march=armv7*
++MULTILIB_MATCHES      += march?armv7=march?armv7-a
++MULTILIB_MATCHES      += march?armv7=march?armv7-r
++MULTILIB_MATCHES      += march?armv7=march?armv7-m
++MULTILIB_MATCHES      += march?armv7=mcpu?cortex-a8
++MULTILIB_MATCHES      += march?armv7=mcpu?cortex-r4
++MULTILIB_MATCHES      += march?armv7=mcpu?cortex-m3
+ 
+ # Not quite true.  We can support hard-vfp calling in Thumb2, but how do we
+ # express that here?  Also, we really need architecture v5e or later
+ # (mcrr etc).
+-MULTILIB_OPTIONS       += mfloat-abi=hard
+-MULTILIB_DIRNAMES      += fpu
+-MULTILIB_EXCEPTIONS    += *mthumb/*mfloat-abi=hard*
++# MULTILIB_OPTIONS       += mfloat-abi=hard
++# MULTILIB_DIRNAMES      += fpu
++# MULTILIB_EXCEPTIONS    += *mthumb/*mfloat-abi=hard*
+ 
+ # MULTILIB_OPTIONS    += mcpu=ep9312
+ # MULTILIB_DIRNAMES   += ep9312
+ # MULTILIB_EXCEPTIONS += *mthumb/*mcpu=ep9312*
+ # 	
+-# MULTILIB_OPTIONS     += mlittle-endian/mbig-endian
+-# MULTILIB_DIRNAMES    += le be
+-# MULTILIB_MATCHES     += mbig-endian=mbe mlittle-endian=mle
++MULTILIB_OPTIONS     += mlittle-endian/mbig-endian
++MULTILIB_DIRNAMES    += le be
++MULTILIB_MATCHES     += mbig-endian=mbe mlittle-endian=mle
+ # 
+ # MULTILIB_OPTIONS    += mhard-float/msoft-float
+ # MULTILIB_DIRNAMES   += fpu soft
+diff -Nbaur gcc-4.5.0/gcc/config/arm/unknown-elf.h gcc-4.5.0-arm/gcc/config/arm/unknown-elf.h
+--- gcc-4.5.0/gcc/config/arm/unknown-elf.h	2009-02-20 15:20:38.000000000 +0000
++++ gcc-4.5.0-arm/gcc/config/arm/unknown-elf.h	2010-04-16 22:43:27.000000000 +0100
+@@ -97,4 +97,4 @@
+    udivmoddi4, which will depend on the exception unwind routines,
+    which will depend on abort, which is defined in libc.  */ 
+ #undef LINK_GCC_C_SEQUENCE_SPEC
+-#define LINK_GCC_C_SEQUENCE_SPEC "--start-group %G %L --end-group"
++#define LINK_GCC_C_SEQUENCE_SPEC "--start-group %G %L %(libgloss) --end-group"
+diff -Nbaur gcc-4.5.0/gcc/gcc.c gcc-4.5.0-arm/gcc/gcc.c
+--- gcc-4.5.0/gcc/gcc.c	2010-02-11 12:23:08.000000000 +0000
++++ gcc-4.5.0-arm/gcc/gcc.c	2010-04-16 22:43:27.000000000 +0100
+@@ -678,6 +678,11 @@
+ #endif
+ #endif
+ 
++#ifndef LIBGLOSS_SPEC
++# define LIBGLOSS_SPEC "-lsysbase"
++#endif
++
++
+ /* config.h can define STARTFILE_SPEC to override the default crt0 files.  */
+ #ifndef STARTFILE_SPEC
+ #define STARTFILE_SPEC  \
+@@ -834,6 +839,7 @@
+ static const char *mflib_spec = MFLIB_SPEC;
+ static const char *link_gomp_spec = "";
+ static const char *libgcc_spec = LIBGCC_SPEC;
++static const char *libgloss_spec = LIBGLOSS_SPEC;
+ static const char *endfile_spec = ENDFILE_SPEC;
+ static const char *startfile_spec = STARTFILE_SPEC;
+ static const char *switches_need_spaces = SWITCHES_NEED_SPACES;
+@@ -1674,6 +1680,7 @@
+   INIT_STATIC_SPEC ("mflib",			&mflib_spec),
+   INIT_STATIC_SPEC ("link_gomp",		&link_gomp_spec),
+   INIT_STATIC_SPEC ("libgcc",			&libgcc_spec),
++  INIT_STATIC_SPEC ("libgloss",			&libgloss_spec),
+   INIT_STATIC_SPEC ("startfile",		&startfile_spec),
+   INIT_STATIC_SPEC ("switches_need_spaces",	&switches_need_spaces),
+   INIT_STATIC_SPEC ("cross_compile",		&cross_compile),
+@@ -6940,10 +6947,18 @@
+ 
+   /* We need to check standard_exec_prefix/just_machine_suffix/specs
+      for any override of as, ld and libraries.  */
++   if ( gcc_exec_prefix )
++   {
++     specs_file = alloca (strlen (gcc_exec_prefix)
++ 		         + strlen (just_machine_suffix) + sizeof ("specs"));
++ 
++     strcpy (specs_file, gcc_exec_prefix);
++   } else {
+   specs_file = (char *) alloca (strlen (standard_exec_prefix)
+ 		       + strlen (just_machine_suffix) + sizeof ("specs"));
+ 
+   strcpy (specs_file, standard_exec_prefix);
++	}
+   strcat (specs_file, just_machine_suffix);
+   strcat (specs_file, "specs");
+   if (access (specs_file, R_OK) == 0)
+diff -Nbaur gcc-4.5.0/gcc/prefix.c gcc-4.5.0-arm/gcc/prefix.c
+--- gcc-4.5.0/gcc/prefix.c	2007-09-03 18:09:20.000000000 +0100
++++ gcc-4.5.0-arm/gcc/prefix.c	2010-04-16 22:43:27.000000000 +0100
+@@ -245,13 +245,16 @@
+    The returned string is always malloc-ed, and the caller is
+    responsible for freeing it.  */
+ 
++
++static const char *old_prefix = PREFIX;
++
+ char *
+ update_path (const char *path, const char *key)
+ {
+   char *result, *p;
+-  const int len = strlen (std_prefix);
++  const int len = strlen (old_prefix);
+ 
+-  if (! strncmp (path, std_prefix, len)
++  if (! strncmp (path, old_prefix, len)
+       && (IS_DIR_SEPARATOR(path[len])
+           || path[len] == '\0')
+       && key != 0)
+@@ -353,4 +356,6 @@
+ set_std_prefix (const char *prefix, int len)
+ {
+   std_prefix = save_string (prefix, len);
++
++	putenv (concat ("GCC_EXEC_PREFIX=", std_prefix, NULL));
+ }
+diff -Nbaur gcc-4.5.0/gcc/sched-deps.c gcc-4.5.0-arm/gcc/sched-deps.c
+--- gcc-4.5.0/gcc/sched-deps.c	2010-03-30 22:00:47.000000000 +0100
++++ gcc-4.5.0-arm/gcc/sched-deps.c	2010-04-16 22:43:27.000000000 +0100
+@@ -2274,6 +2274,12 @@
+ 			      FIRST_STACK_REG + nregs);
+ 	}
+ #endif
++
++      /* If the stack pointer is being modified, flush out all memory
++	 references as they may become invalid if moved across the
++	 stack adjustment.  */
++      if (dest == stack_pointer_rtx)
++	flush_pending_lists (deps, insn, true, true);
+     }
+   else if (MEM_P (dest))
+     {
+diff -Nbaur gcc-4.5.0/gcc/toplev.c gcc-4.5.0-arm/gcc/toplev.c
+--- gcc-4.5.0/gcc/toplev.c	2010-03-31 03:44:10.000000000 +0100
++++ gcc-4.5.0-arm/gcc/toplev.c	2010-04-16 22:52:00.000000000 +0100
+@@ -86,6 +86,7 @@
+ #include "gimple.h"
+ #include "tree-ssa-alias.h"
+ #include "plugin.h"
++#include "prefix.h"
+ 
+ #if defined (DWARF2_UNWIND_INFO) || defined (DWARF2_DEBUGGING_INFO)
+ #include "dwarf2out.h"
+@@ -1681,6 +1682,10 @@
+ 
+   xmalloc_set_program_name (progname);
+ 
++  p = getenv("GCC_EXEC_PREFIX");
++  if (p && strlen(p)) set_std_prefix (p, strlen(p));
++
++
+   hex_init ();
+ 
+   /* Unlock the stdio streams.  */
+diff -Nbaur gcc-4.5.0/libcpp/Makefile.in gcc-4.5.0-arm/libcpp/Makefile.in
+--- gcc-4.5.0/libcpp/Makefile.in	2010-04-14 10:30:07.000000000 +0100
++++ gcc-4.5.0-arm/libcpp/Makefile.in	2010-04-16 22:43:27.000000000 +0100
+@@ -212,8 +212,7 @@
+ # Note that we put the dependencies into a .Tpo file, then move them
+ # into place if the compile succeeds.  We need this because gcc does
+ # not atomically write the dependency output file.
+-COMPILE = $(COMPILE.base) -o $@ -MT $@ -MMD -MP -MF $(DEPDIR)/$*.Tpo
+-POSTCOMPILE = @mv $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
++COMPILE = $(COMPILE.base) -o $@
+ else
+ COMPILE = source='$<' object='$@' libtool=no DEPDIR=$(DEPDIR) $(DEPMODE) \
+ 	  $(depcomp) $(COMPILE.base)

dkarm-eabi/scripts/build-gcc.sh

@@ -72,7 +72,7 @@ then
         --target=$target \
         --with-newlib \
         --prefix=$prefix\
-        --with-bugurl="http://wiki.devkitpro.org/index.php/Bug_Reports" --with-pkgversion="devkitARM release 30" \
+        --with-bugurl="http://wiki.devkitpro.org/index.php/Bug_Reports" --with-pkgversion="devkitARM release 31" \
         || { echo "Error configuring gcc"; exit 1; }
   touch configured-gcc
 fi