2006-12-18 Joel Schopp <jschopp@austin.ibm.com>

        * libc/machine/spu/c99ppe.h: New file
        * libc/machine/spu/perror.c: New file to override libc/stdio version.
        * libc/machine/spu/printf.c: New file
        * libc/machine/spu/putchar.c: New file
        * libc/machine/spu/puts.c: New file
        * libc/machine/spu/vprintf.c: New file
        * libc/machine/spu/vsnprintf.c: New file
        * libc/machine/spu/vsprintf.c: New file
        * libc/machine/spu/Makefile.am: Add new targets.
        * libc/machine/spu/Makefile.in: Regenerated.

11 files changed, 409 insertions, 4 deletions

diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index 274e25eac..64da20e11 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,16 @@
+2006-12-18  Joel Schopp <jschopp@austin.ibm.com> 
+
+        * libc/machine/spu/c99ppe.h: New file
+        * libc/machine/spu/perror.c: New file to override libc/stdio version.
+        * libc/machine/spu/printf.c: New file
+        * libc/machine/spu/putchar.c: New file
+        * libc/machine/spu/puts.c: New file
+        * libc/machine/spu/vprintf.c: New file
+        * libc/machine/spu/vsnprintf.c: New file
+        * libc/machine/spu/vsprintf.c: New file
+        * libc/machine/spu/Makefile.am: Add new targets.
+        * libc/machine/spu/Makefile.in: Regenerated.
+
 2006-12-18  Jeff Johnston  <jjohnstn@redhat.com>
 
         * aclocal.m4 */aclocal.m4: Regenerated using aclocal 1.9.6.
diff --git a/newlib/libc/machine/spu/Makefile.am b/newlib/libc/machine/spu/Makefile.am
index e825b4203..7e24b704d 100644
--- a/newlib/libc/machine/spu/Makefile.am
+++ b/newlib/libc/machine/spu/Makefile.am
@@ -8,7 +8,7 @@ noinst_LIBRARIES = lib.a
 
 AM_CCASFLAGS = $(INCLUDES)
 
-lib_a_SOURCES = setjmp.S memcpy.c memmove.c memset.c strcat.c strchr.c strcmp.c strcpy.c strcspn.c strlen.c strncat.c strncmp.c strncpy.c strpbrk.c strrchr.c strspn.c strxfrm.c
+lib_a_SOURCES = setjmp.S memcpy.c memmove.c memset.c strcat.c strchr.c strcmp.c strcpy.c strcspn.c strlen.c strncat.c strncmp.c strncpy.c strpbrk.c strrchr.c strspn.c strxfrm.c printf.c perror.c putchar.c puts.c vsnprintf.c vprintf.c vsprintf.c
 
 lib_a_CCASFLAGS = $(AM_CCASFLAGS)
 lib_a_CFLAGS = $(AM_CFLAGS)
diff --git a/newlib/libc/machine/spu/Makefile.in b/newlib/libc/machine/spu/Makefile.in
index d73e7bf7d..bdacd8787 100644
--- a/newlib/libc/machine/spu/Makefile.in
+++ b/newlib/libc/machine/spu/Makefile.in
@@ -47,7 +47,11 @@ DIST_COMMON = $(srcdir)/../../../../config.guess \
 	$(srcdir)/../../../../compile $(srcdir)/../../../../compile \
 	$(srcdir)/../../../../compile $(srcdir)/../../../../compile \
 	$(srcdir)/../../../../compile $(srcdir)/../../../../compile \
-	$(srcdir)/../../../../compile $(srcdir)/../../../../compile
+	$(srcdir)/../../../../compile $(srcdir)/../../../../compile \
+	$(srcdir)/../../../../compile $(srcdir)/../../../../compile \
+	$(srcdir)/../../../../compile $(srcdir)/../../../../compile \
+	$(srcdir)/../../../../compile $(srcdir)/../../../../compile \
+	$(srcdir)/../../../../compile
 subdir = .
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../../../acinclude.m4 \
@@ -70,7 +74,10 @@ am_lib_a_OBJECTS = lib_a-setjmp.$(OBJEXT) lib_a-memcpy.$(OBJEXT) \
 	lib_a-strncat.$(OBJEXT) lib_a-strncmp.$(OBJEXT) \
 	lib_a-strncpy.$(OBJEXT) lib_a-strpbrk.$(OBJEXT) \
 	lib_a-strrchr.$(OBJEXT) lib_a-strspn.$(OBJEXT) \
-	lib_a-strxfrm.$(OBJEXT)
+	lib_a-strxfrm.$(OBJEXT) lib_a-printf.$(OBJEXT) \
+	lib_a-perror.$(OBJEXT) lib_a-putchar.$(OBJEXT) \
+	lib_a-puts.$(OBJEXT) lib_a-vsnprintf.$(OBJEXT) \
+	lib_a-vprintf.$(OBJEXT) lib_a-vsprintf.$(OBJEXT)
 lib_a_OBJECTS = $(am_lib_a_OBJECTS)
 DEFAULT_INCLUDES = -I. -I$(srcdir)
 depcomp =
@@ -195,7 +202,7 @@ AUTOMAKE_OPTIONS = cygnus
 INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
 noinst_LIBRARIES = lib.a
 AM_CCASFLAGS = $(INCLUDES)
-lib_a_SOURCES = setjmp.S memcpy.c memmove.c memset.c strcat.c strchr.c strcmp.c strcpy.c strcspn.c strlen.c strncat.c strncmp.c strncpy.c strpbrk.c strrchr.c strspn.c strxfrm.c
+lib_a_SOURCES = setjmp.S memcpy.c memmove.c memset.c strcat.c strchr.c strcmp.c strcpy.c strcspn.c strlen.c strncat.c strncmp.c strncpy.c strpbrk.c strrchr.c strspn.c strxfrm.c printf.c perror.c putchar.c puts.c vsnprintf.c vprintf.c vsprintf.c
 lib_a_CCASFLAGS = $(AM_CCASFLAGS)
 lib_a_CFLAGS = $(AM_CFLAGS)
 ACLOCAL_AMFLAGS = -I ../../.. 
@@ -365,6 +372,48 @@ lib_a-strxfrm.o: strxfrm.c
 
 lib_a-strxfrm.obj: strxfrm.c
 	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-strxfrm.obj `if test -f 'strxfrm.c'; then $(CYGPATH_W) 'strxfrm.c'; else $(CYGPATH_W) '$(srcdir)/strxfrm.c'; fi`
+
+lib_a-printf.o: printf.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-printf.o `test -f 'printf.c' || echo '$(srcdir)/'`printf.c
+
+lib_a-printf.obj: printf.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-printf.obj `if test -f 'printf.c'; then $(CYGPATH_W) 'printf.c'; else $(CYGPATH_W) '$(srcdir)/printf.c'; fi`
+
+lib_a-perror.o: perror.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-perror.o `test -f 'perror.c' || echo '$(srcdir)/'`perror.c
+
+lib_a-perror.obj: perror.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-perror.obj `if test -f 'perror.c'; then $(CYGPATH_W) 'perror.c'; else $(CYGPATH_W) '$(srcdir)/perror.c'; fi`
+
+lib_a-putchar.o: putchar.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-putchar.o `test -f 'putchar.c' || echo '$(srcdir)/'`putchar.c
+
+lib_a-putchar.obj: putchar.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-putchar.obj `if test -f 'putchar.c'; then $(CYGPATH_W) 'putchar.c'; else $(CYGPATH_W) '$(srcdir)/putchar.c'; fi`
+
+lib_a-puts.o: puts.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-puts.o `test -f 'puts.c' || echo '$(srcdir)/'`puts.c
+
+lib_a-puts.obj: puts.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-puts.obj `if test -f 'puts.c'; then $(CYGPATH_W) 'puts.c'; else $(CYGPATH_W) '$(srcdir)/puts.c'; fi`
+
+lib_a-vsnprintf.o: vsnprintf.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-vsnprintf.o `test -f 'vsnprintf.c' || echo '$(srcdir)/'`vsnprintf.c
+
+lib_a-vsnprintf.obj: vsnprintf.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-vsnprintf.obj `if test -f 'vsnprintf.c'; then $(CYGPATH_W) 'vsnprintf.c'; else $(CYGPATH_W) '$(srcdir)/vsnprintf.c'; fi`
+
+lib_a-vprintf.o: vprintf.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-vprintf.o `test -f 'vprintf.c' || echo '$(srcdir)/'`vprintf.c
+
+lib_a-vprintf.obj: vprintf.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-vprintf.obj `if test -f 'vprintf.c'; then $(CYGPATH_W) 'vprintf.c'; else $(CYGPATH_W) '$(srcdir)/vprintf.c'; fi`
+
+lib_a-vsprintf.o: vsprintf.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-vsprintf.o `test -f 'vsprintf.c' || echo '$(srcdir)/'`vsprintf.c
+
+lib_a-vsprintf.obj: vsprintf.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-vsprintf.obj `if test -f 'vsprintf.c'; then $(CYGPATH_W) 'vsprintf.c'; else $(CYGPATH_W) '$(srcdir)/vsprintf.c'; fi`
 uninstall-info-am:
 
 ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
diff --git a/newlib/libc/machine/spu/c99ppe.h b/newlib/libc/machine/spu/c99ppe.h
new file mode 100644
index 000000000..a4199bcbf
--- /dev/null
+++ b/newlib/libc/machine/spu/c99ppe.h
@@ -0,0 +1,117 @@
+/*
+(C) Copyright IBM Corp. 2006
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+    * Neither the name of IBM nor the names of its contributors may be
+used to endorse or promote products derived from this software without
+specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+Author: Joel Schopp <jschopp@austin.ibm.com>
+*/
+
+#include <errno.h>
+#include <spu_intrinsics.h>
+
+#define SPE_C99_SIGNALCODE 0x2100
+
+#define SPE_C99_OP_SHIFT    	24
+#define SPE_C99_OP_MASK	    	0xff
+#define SPE_C99_DATA_MASK   	0xffffff
+
+enum {
+	SPE_C99_CLEARERR=0x01,
+	SPE_C99_FCLOSE,
+	SPE_C99_FEOF,
+	SPE_C99_FERROR,
+	SPE_C99_FFLUSH,
+	SPE_C99_FGETC,
+	SPE_C99_FGETPOS,
+	SPE_C99_FGETS,
+	SPE_C99_FILENO,
+	SPE_C99_FOPEN, //implemented
+	SPE_C99_FPUTC,
+	SPE_C99_FPUTS,
+	SPE_C99_FREAD,
+	SPE_C99_FREOPEN,
+	SPE_C99_FSEEK,
+	SPE_C99_FSETPOS,
+	SPE_C99_FTELL,
+	SPE_C99_FWRITE,
+	SPE_C99_GETC,
+	SPE_C99_GETCHAR,
+	SPE_C99_GETS,
+	SPE_C99_PERROR,
+	SPE_C99_PUTC,
+	SPE_C99_PUTCHAR,
+	SPE_C99_PUTS,
+	SPE_C99_REMOVE,
+	SPE_C99_RENAME,
+	SPE_C99_REWIND,
+	SPE_C99_SETBUF,
+	SPE_C99_SETVBUF,
+	SPE_C99_SYSTEM, //not yet implemented in newlib
+	SPE_C99_TMPFILE,
+	SPE_C99_TMPNAM,
+	SPE_C99_UNGETC,
+	SPE_C99_VFPRINTF,
+	SPE_C99_VFSCANF,
+	SPE_C99_VPRINTF,
+	SPE_C99_VSCANF,
+	SPE_C99_VSNPRINTF,
+	SPE_C99_VSPRINTF,
+	SPE_C99_VSSCANF,
+	SPE_C99_LAST_OPCODE,
+};
+#define SPE_C99_NR_OPCODES 	((SPE_C99_LAST_OPCODE - SPE_C99_CLEARERR) + 1)
+
+#define SPE_STDIN                   1
+#define SPE_STDOUT                  2
+#define SPE_STDERR                  3
+#define SPE_FOPEN_MAX               (FOPEN_MAX+1)
+#define SPE_FOPEN_MIN               4
+
+struct spe_reg128{
+  unsigned int slot[4];
+};
+
+static void
+send_to_ppe(int signalcode, int opcode, void *data)
+{
+
+	unsigned int	combined = ( ( opcode<<24 )&0xff000000 ) | ( ( unsigned int )data & 0x00ffffff );
+	struct spe_reg128* ret = data;
+
+        vector unsigned int stopfunc = {
+                signalcode,     /* stop 0x210x*/
+                (unsigned int) combined,
+                0x4020007f,     /* nop */
+                0x35000000      /* bi $0 */
+        };
+
+        void (*f) (void) = (void *) &stopfunc;
+        asm ("sync":::"memory");
+        f();
+	errno = ret->slot[3];
+	return;
+}
diff --git a/newlib/libc/machine/spu/perror.c b/newlib/libc/machine/spu/perror.c
new file mode 100644
index 000000000..ad79a48db
--- /dev/null
+++ b/newlib/libc/machine/spu/perror.c
@@ -0,0 +1,14 @@
+#include <stdio.h>
+
+#include "c99ppe.h"
+
+void
+_DEFUN (perror, (s),
+	_CONST char *s)
+
+{
+  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_PERROR, &s);
+
+  return;
+}
+
diff --git a/newlib/libc/machine/spu/printf.c b/newlib/libc/machine/spu/printf.c
new file mode 100644
index 000000000..d79f35dc5
--- /dev/null
+++ b/newlib/libc/machine/spu/printf.c
@@ -0,0 +1,54 @@
+
+#include <_ansi.h>
+#include <stdio.h>
+
+#include "c99ppe.h"
+
+#ifdef _HAVE_STDC
+#include <stdarg.h>
+#else
+#include <varargs.h>
+#endif
+
+typedef struct
+{
+  char* fmt;
+  unsigned int pad0[ 3 ];
+  va_list ap;
+} c99_printf_t;
+
+#ifndef _REENT_ONLY
+
+#ifdef _HAVE_STDC
+int
+_DEFUN (printf, (fmt,ap),
+	_CONST char *fmt _AND
+	...)
+#else
+int
+#error
+printf (fmt, va_alist)
+     char *fmt;
+     va_dcl
+#endif
+{
+  int* ret;
+  c99_printf_t args;
+  ret = (int*) &args;
+
+  args.fmt = fmt;
+#ifdef _HAVE_STDC
+  va_start (args.ap, args.fmt);
+#else
+  va_start (args.ap);
+#endif
+
+
+  /*  ret = vfprintf (_stdout_r (_REENT), fmt, ap);*/
+  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VPRINTF, &args);
+
+  va_end (args.ap);
+  return *ret;
+}
+
+#endif /* ! _REENT_ONLY */
diff --git a/newlib/libc/machine/spu/putchar.c b/newlib/libc/machine/spu/putchar.c
new file mode 100644
index 000000000..0b6709d7f
--- /dev/null
+++ b/newlib/libc/machine/spu/putchar.c
@@ -0,0 +1,17 @@
+#include <stdio.h>
+
+#include "c99ppe.h"
+
+#undef putchar
+
+int
+putchar (c)
+     int c;
+{
+  /* c gets overwritten before return */
+
+  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_PUTCHAR, &c);
+
+  return c;
+}
+
diff --git a/newlib/libc/machine/spu/puts.c b/newlib/libc/machine/spu/puts.c
new file mode 100644
index 000000000..f060494dd
--- /dev/null
+++ b/newlib/libc/machine/spu/puts.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+#include "c99ppe.h"
+
+int
+_DEFUN (puts, (s),
+	char _CONST * s)
+{
+
+  /* The return value gets written over s
+   */
+  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_PUTS, &s);
+
+  return (int)s;
+}
+
diff --git a/newlib/libc/machine/spu/vprintf.c b/newlib/libc/machine/spu/vprintf.c
new file mode 100644
index 000000000..26dfb84ab
--- /dev/null
+++ b/newlib/libc/machine/spu/vprintf.c
@@ -0,0 +1,39 @@
+
+#include <_ansi.h>
+#include <stdio.h>
+
+#include "c99ppe.h"
+
+#ifdef _HAVE_STDC
+#include <stdarg.h>
+#else
+#include <varargs.h>
+#endif
+
+typedef struct
+{
+  char* fmt;
+  unsigned int pad0[ 3 ];
+  va_list ap;
+} c99_vprintf_t;
+
+#ifndef _REENT_ONLY
+
+int
+_DEFUN (vprintf, (fmt, ap),
+     _CONST char *fmt _AND
+     va_list ap)
+{
+  int* ret;
+  c99_vprintf_t args;
+  ret = (int*) &args;
+
+  args.fmt = (char*) fmt;
+  va_copy(args.ap,ap);
+
+  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VPRINTF, &args);
+
+  return *ret;
+}
+
+#endif /* ! _REENT_ONLY */
diff --git a/newlib/libc/machine/spu/vsnprintf.c b/newlib/libc/machine/spu/vsnprintf.c
new file mode 100644
index 000000000..a5ed0f2ee
--- /dev/null
+++ b/newlib/libc/machine/spu/vsnprintf.c
@@ -0,0 +1,47 @@
+
+#include <_ansi.h>
+#include <stdio.h>
+
+#include "c99ppe.h"
+
+#ifdef _HAVE_STDC
+#include <stdarg.h>
+#else
+#include <varargs.h>
+#endif
+
+typedef struct
+{
+  char* str;
+  unsigned int pad0[ 3 ];
+  size_t size;
+  unsigned int pad1[ 3 ];
+  char* fmt;
+  unsigned int pad2[ 3 ];
+  va_list ap;
+} c99_vsnprintf_t;
+
+#ifndef _REENT_ONLY
+
+int
+_DEFUN (vsnprintf, (str, size, fmt, ap),
+     char *str _AND
+     size_t size _AND
+     _CONST char *fmt _AND
+     va_list ap)
+{
+  int* ret;
+  c99_vsnprintf_t args;
+  ret = (int*) &args;
+
+  args.str = str;
+  args.size = size;
+  args.fmt = fmt;
+  va_copy(args.ap,ap);
+
+  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VSNPRINTF, &args);
+
+  return *ret;
+}
+
+#endif /* ! _REENT_ONLY */
diff --git a/newlib/libc/machine/spu/vsprintf.c b/newlib/libc/machine/spu/vsprintf.c
new file mode 100644
index 000000000..3a45c2b92
--- /dev/null
+++ b/newlib/libc/machine/spu/vsprintf.c
@@ -0,0 +1,39 @@
+
+#include <_ansi.h>
+#include <stdio.h>
+
+#include "c99ppe.h"
+
+#ifdef _HAVE_STDC
+#include <stdarg.h>
+#else
+#include <varargs.h>
+#endif
+
+typedef struct
+{
+  char *str;
+  unsigned int pad0[ 3 ];
+  char *fmt;
+  unsigned int pad1[ 3 ];
+  va_list ap;
+} c99_vsprintf_t;
+
+int
+_DEFUN (vsprintf, (str, fmt, ap),
+     char *str _AND
+     _CONST char *fmt _AND
+     va_list ap)
+{
+  int* ret;
+  c99_vsprintf_t args;
+  ret = (int*) &args;
+
+  args.str = str;
+  args.fmt = (char*) fmt;
+  va_copy(args.ap,ap);
+
+  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VSPRINTF, &args);
+
+  return *ret;
+}