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Re: [PATCH] use one send_to_ppe function for both spu libc and libgloss


Hi Patrick,

Sorry. This patch ended up in my Trash folder - not sure why it got there (perhaps I was a little quick in my deleting of something else).

Anyway, regarding the header file: sys/send_to_ppe.h. Did you intend to expose this to the end-user? If not, then it should just be a local.h file in the machine/spu directory that all the files can access and you can resubmit. Otherwise, you might consider putting in a sys/syscall.h header file. Let me know.

-- Jeff J.

Patrick Mansfield wrote:
Jeff -

Ping? Should I resend?

-- Patrick Mansfield

On Thu, Mar 15, 2007 at 08:53:57AM -0700, Patrick Mansfield wrote
This patch:

Renames _send_to_ppe to __send_to_ppe in libgloss, and moves errno
processing from individual stubs into __send_to_ppe (like we currently
have in c99ppe.h).

Renames send_to_ppe to __send_to_ppe in libc code, removes the static
send_to_ppe in c99ppe.h, and so uses the __send_to_ppe in libgloss,


This way, we can link with an alternate __send_to_ppe (not to be supplied
by newlib) that supports argument passing that will work when the SPU is
running in isolated mode.

The change also decreases the object size: errno setting is consolidated;
and if calling different offloaded functions in one program, send_to_ppe
is no longer duplicated in each function. Non-inlined code is probably a
bit slower, but this is not an issue for offloaded calls, the difference
probably can't be measured, and so we are better off with smaller object
size.

Is there a better place for the __send_to_ppe prototype, rather than a
single line in libc/machine/spu/sys/send_to_ppe.h?

Original patch by Vlad Zbarsky <vzbarsky@us.ibm.com>, I have updated it
for current cvs. This has been through a good amount of testing (with
newlib 1.15.0).

libgloss/Changelog:

2007-03-15 Patrick Mansfield <patmans@us.ibm.com>

	* spu/syscalls.c: Rename _send_to_ppe __send_to_ppe, and set errno
	on return from the offload call.
	* spu/jsre.h: Include sys/send_to_ppe.h instead of a prototype
	for send_to_ppe.
	* spu/access.c: Call __send_to_ppe instead of _send_to_ppe, and
	remove the setting of errno.
	* spu/close.c: Ditto.
	* spu/dup.c: Ditto.
	* spu/fstat.c: Ditto.
	* spu/ftruncate.c: Ditto.
	* spu/gettimeofday.c: Ditto.
	* spu/lseek.c: Ditto.
	* spu/open.c: Ditto.
	* spu/read.c: Ditto.
	* spu/stat.c: Ditto.
	* spu/unlink.c: Ditto.
	* spu/write.c: Ditto.

newlib/ChangeLog:

2007-03-15 Patrick Mansfield <patmans@us.ibm.com>

	* libc/machine/spu/sys/send_to_ppe.h: New file for __send_to_ppe
	prototype.
	* libc/machine/spu/c99ppe.h: Remove static version of send_to_ppe.
	* libc/machine/spu/clearerr.c: Call __send_to_ppe vs send_to_ppe.
	* libc/machine/spu/fclose.c: Ditto.
	* libc/machine/spu/feof.c: Ditto.
	* libc/machine/spu/ferror.c: Ditto.
	* libc/machine/spu/fflush.c: Ditto.
	* libc/machine/spu/fgetc.c: Ditto.
	* libc/machine/spu/fgetpos.c: Ditto.
	* libc/machine/spu/fgets.c: Ditto.
	* libc/machine/spu/fileno.c: Ditto.
	* libc/machine/spu/fopen.c: Ditto.
	* libc/machine/spu/fprintf.c: Ditto.
	* libc/machine/spu/fputc.c: Ditto.
	* libc/machine/spu/fputs.c: Ditto.
	* libc/machine/spu/fread.c: Ditto.
	* libc/machine/spu/freopen.c: Ditto.
	* libc/machine/spu/fscanf.c: Ditto.
	* libc/machine/spu/fseek.c: Ditto.
	* libc/machine/spu/fsetpos.c: Ditto.
	* libc/machine/spu/ftell.c: Ditto.
	* libc/machine/spu/fwrite.c: Ditto.
	* libc/machine/spu/getc.c: Ditto.
	* libc/machine/spu/getchar.c: Ditto.
	* libc/machine/spu/gets.c: Ditto.
	* libc/machine/spu/perror.c: Ditto.
	* libc/machine/spu/printf.c: Ditto.
	* libc/machine/spu/putc.c: Ditto.
	* libc/machine/spu/putchar.c: Ditto.
	* libc/machine/spu/puts.c: Ditto.
	* libc/machine/spu/remove.c: Ditto.
	* libc/machine/spu/rename.c: Ditto.
	* libc/machine/spu/rewind.c: Ditto.
	* libc/machine/spu/scanf.c: Ditto.
	* libc/machine/spu/setbuf.c: Ditto.
	* libc/machine/spu/setvbuf.c: Ditto.
	* libc/machine/spu/snprintf.c: Ditto.
	* libc/machine/spu/sprintf.c: Ditto.
	* libc/machine/spu/sscanf.c: Ditto.
	* libc/machine/spu/tmpfile.c: Ditto.
	* libc/machine/spu/tmpnam.c: Ditto.
	* libc/machine/spu/ungetc.c: Ditto.
	* libc/machine/spu/vfprintf.c: Ditto.
	* libc/machine/spu/vfscanf.c: Ditto.
	* libc/machine/spu/vprintf.c: Ditto.
	* libc/machine/spu/vscanf.c: Ditto.
	* libc/machine/spu/vsnprintf.c: Ditto.
	* libc/machine/spu/vsprintf.c: Ditto.
	* libc/machine/spu/vsscanf.c: Ditto.

Index: my-base-quilt/libgloss/spu/access.c
===================================================================
--- my-base-quilt.orig/libgloss/spu/access.c
+++ my-base-quilt/libgloss/spu/access.c
@@ -29,7 +29,6 @@ POSSIBILITY OF SUCH DAMAGE.

*/

-#include <errno.h>
 #include "jsre.h"

 int
@@ -41,9 +40,8 @@ access (const char *pathname, int mode)
         sys.pathname = (unsigned int) pathname;
         sys.mode = mode;

-        _send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_ACCESS, &sys);
+        __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_ACCESS, &sys);

-        errno = psys_out->err;
         return ( psys_out->rc);
 }

Index: my-base-quilt/libgloss/spu/close.c
===================================================================
--- my-base-quilt.orig/libgloss/spu/close.c
+++ my-base-quilt/libgloss/spu/close.c
@@ -30,7 +30,6 @@ POSSIBILITY OF SUCH DAMAGE.
 Author: Andreas Neukoetter (ti95neuk@de.ibm.com)
 */

-#include <errno.h>
 #include "jsre.h"

 int
@@ -41,9 +40,8 @@ close (int file)

sys.file = file;

-        _send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_CLOSE, &sys);
+        __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_CLOSE, &sys);

-        errno = psys_out->err;
         return ( psys_out->rc);
 }

Index: my-base-quilt/libgloss/spu/dup.c
===================================================================
--- my-base-quilt.orig/libgloss/spu/dup.c
+++ my-base-quilt/libgloss/spu/dup.c
@@ -29,7 +29,6 @@ POSSIBILITY OF SUCH DAMAGE.

*/

-#include <errno.h>
 #include "jsre.h"

 int
@@ -40,9 +39,8 @@ dup (int oldfd)

sys.oldfd = oldfd;

-        _send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_DUP, &sys);
+        __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_DUP, &sys);

-        errno = psys_out->err;
         return ( psys_out->rc);
 }

Index: my-base-quilt/libgloss/spu/fstat.c
===================================================================
--- my-base-quilt.orig/libgloss/spu/fstat.c
+++ my-base-quilt/libgloss/spu/fstat.c
@@ -31,7 +31,6 @@ Author: Andreas Neukoetter (ti95neuk@de.
 */

 #include <sys/stat.h>
-#include <errno.h>
 #include "jsre.h"

 int
@@ -44,7 +43,7 @@ fstat (int file, struct stat *pstat)
         sys.file = file;
         sys.ptr = ( unsigned int )&pjstat;

-        _send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_FSTAT, &sys);
+        __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_FSTAT, &sys);

         pstat->st_dev = pjstat.dev;
         pstat->st_ino = pjstat.ino;
@@ -61,7 +60,6 @@ fstat (int file, struct stat *pstat)
         pstat->st_ctime = pjstat.ctime;


- errno = psys_out->err; return( psys_out->rc ); }

Index: my-base-quilt/libgloss/spu/ftruncate.c
===================================================================
--- my-base-quilt.orig/libgloss/spu/ftruncate.c
+++ my-base-quilt/libgloss/spu/ftruncate.c
@@ -29,7 +29,6 @@ POSSIBILITY OF SUCH DAMAGE.

 */
 #include <unistd.h>
-#include <errno.h>
 #include "jsre.h"

 int
@@ -41,9 +40,8 @@ ftruncate (int file, off_t length)
 	sys.file = file;
 	sys.length = length;

-	_send_to_ppe(JSRE_POSIX1_SIGNALCODE, JSRE_FTRUNCATE, &sys);
+	__send_to_ppe(JSRE_POSIX1_SIGNALCODE, JSRE_FTRUNCATE, &sys);

-	errno = psys_out->err;
 	return ( psys_out->rc);
 }

Index: my-base-quilt/libgloss/spu/jsre.h
===================================================================
--- my-base-quilt.orig/libgloss/spu/jsre.h
+++ my-base-quilt/libgloss/spu/jsre.h
@@ -188,6 +188,6 @@ typedef struct {
     unsigned int ctime;
 } jsre_stat_t;

-void _send_to_ppe (unsigned int signalcode, unsigned int opcode, void *data);
+#include <sys/send_to_ppe.h>

 #endif
Index: my-base-quilt/libgloss/spu/lseek.c
===================================================================
--- my-base-quilt.orig/libgloss/spu/lseek.c
+++ my-base-quilt/libgloss/spu/lseek.c
@@ -31,7 +31,6 @@ Author: Andreas Neukoetter (ti95neuk@de.
 */

 #include <unistd.h>
-#include <errno.h>
 #include "jsre.h"

 off_t
@@ -55,9 +54,8 @@ lseek (int file, off_t offset, int whenc
 			break;
 	}

-	_send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_LSEEK, &sys);
+	__send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_LSEEK, &sys);

-        errno = psys_out->err;
         return ( psys_out->rc);
 }

Index: my-base-quilt/libgloss/spu/open.c
===================================================================
--- my-base-quilt.orig/libgloss/spu/open.c
+++ my-base-quilt/libgloss/spu/open.c
@@ -32,7 +32,6 @@ Author: Andreas Neukoetter (ti95neuk@de.

 #include <stdarg.h>
 #include <fcntl.h>
-#include <errno.h>
 #include "jsre.h"

 int
@@ -81,9 +80,8 @@ open (const char *filename, int flags, .
                   sys.mode = 0;
           }

-        _send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_OPEN, &sys);
+        __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_OPEN, &sys);

-        errno = psys_out->err;
         return ( psys_out->rc);
 }

Index: my-base-quilt/libgloss/spu/read.c
===================================================================
--- my-base-quilt.orig/libgloss/spu/read.c
+++ my-base-quilt/libgloss/spu/read.c
@@ -31,7 +31,6 @@ Author: Andreas Neukoetter (ti95neuk@de.
 */

 #include <fcntl.h>
-#include <errno.h>
 #include "jsre.h"

 int
@@ -44,9 +43,8 @@ read (int file, void *ptr, size_t len)
 	sys.ptr = ( unsigned int )ptr;
 	sys.len = len;

-	_send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_READ, &sys);
+	__send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_READ, &sys);

-        errno = psys_out->err;
         return ( psys_out->rc);
 }

Index: my-base-quilt/libgloss/spu/stat.c
===================================================================
--- my-base-quilt.orig/libgloss/spu/stat.c
+++ my-base-quilt/libgloss/spu/stat.c
@@ -32,7 +32,6 @@ Author: Andreas Neukoetter (ti95neuk@de.

 #include <stdarg.h>
 #include <fcntl.h>
-#include <errno.h>
 #include "jsre.h"

int
@@ -45,7 +44,7 @@ stat (const char *pathname, struct stat sys.pathname = (unsigned int)pathname;
sys.ptr = ( unsigned int )&pjstat;


-	_send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_STAT, &sys);
+	__send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_STAT, &sys);

pstat->st_dev = pjstat.dev;
pstat->st_ino = pjstat.ino;
@@ -61,7 +60,6 @@ stat (const char *pathname, struct stat pstat->st_mtime = pjstat.mtime;
pstat->st_ctime = pjstat.ctime;


-	errno = psys_out->err;
 	return( psys_out->rc );
 }

Index: my-base-quilt/libgloss/spu/syscalls.c
===================================================================
--- my-base-quilt.orig/libgloss/spu/syscalls.c
+++ my-base-quilt/libgloss/spu/syscalls.c
@@ -29,10 +29,11 @@ POSSIBILITY OF SUCH DAMAGE.

 Author: Andreas Neukoetter (ti95neuk@de.ibm.com)
 */
+#include <errno.h>
 #include "jsre.h"

 void
-_send_to_ppe (unsigned int signalcode, unsigned int opcode, void *data)
+__send_to_ppe (unsigned int signalcode, unsigned int opcode, void *data)
 {

 	unsigned int	combined = ( ( opcode<<24 )&0xff000000 ) | ( ( unsigned int )data & 0x00ffffff );
@@ -46,6 +47,7 @@ _send_to_ppe (unsigned int signalcode, u

         void (*f) (void) = (void *) &stopfunc;
         asm ("sync");
-        return (f ());
+        f ();
+        errno = ((unsigned int *) data)[3];
 }

Index: my-base-quilt/libgloss/spu/unlink.c
===================================================================
--- my-base-quilt.orig/libgloss/spu/unlink.c
+++ my-base-quilt/libgloss/spu/unlink.c
@@ -30,7 +30,6 @@ POSSIBILITY OF SUCH DAMAGE.
 Author: Andreas Neukoetter (ti95neuk@de.ibm.com)
 */

-#include <errno.h>
 #include "jsre.h"

 int
@@ -41,9 +40,8 @@ unlink (const char *pathname)

sys.pathname = ( unsigned int )pathname;

-        _send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_UNLINK, &sys);
+        __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_UNLINK, &sys);

-        errno = psys_out->err;
         return ( psys_out->rc);
 }

Index: my-base-quilt/libgloss/spu/write.c
===================================================================
--- my-base-quilt.orig/libgloss/spu/write.c
+++ my-base-quilt/libgloss/spu/write.c
@@ -31,7 +31,6 @@ Author: Andreas Neukoetter (ti95neuk@de.
 */

 #include <fcntl.h>
-#include <errno.h>
 #include "jsre.h"

 int
@@ -44,9 +43,8 @@ write (int file, const void *ptr, size_t
 	sys.ptr = ( unsigned int )ptr;
 	sys.len = len;

-	_send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_WRITE, &sys);
+	__send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_WRITE, &sys);

-        errno = psys_out->err;
         return ( psys_out->rc);
 }

Index: my-base-quilt/newlib/libc/machine/spu/fgets.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/fgets.c
+++ my-base-quilt/newlib/libc/machine/spu/fgets.c
@@ -61,7 +61,7 @@ _DEFUN (fgets, (buf, n, fp),
   args.fp = fp->_fp;
   ret = (char**) &args;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FGETS, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FGETS, &args);

   return *ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/fprintf.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/fprintf.c
+++ my-base-quilt/newlib/libc/machine/spu/fprintf.c
@@ -75,7 +75,7 @@ fprintf(FILE * fp, _CONST char *fmt,...)
   va_start (args.ap);
 #endif

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VFPRINTF, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VFPRINTF, &args);

   va_end (args.ap);
   return *ret;
Index: my-base-quilt/newlib/libc/machine/spu/fputc.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/fputc.c
+++ my-base-quilt/newlib/libc/machine/spu/fputc.c
@@ -59,7 +59,7 @@ fputc (c, fp)
   args.fp = fp->_fp;
   ret = (int*)&args;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FPUTC, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FPUTC, &args);

   return *ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/fputs.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/fputs.c
+++ my-base-quilt/newlib/libc/machine/spu/fputs.c
@@ -59,7 +59,7 @@ _DEFUN (fputs, (s, fp),
   args.fp = fp->_fp;
   ret = (int*)&args;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FPUTS, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FPUTS, &args);

   return *ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/fread.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/fread.c
+++ my-base-quilt/newlib/libc/machine/spu/fread.c
@@ -66,7 +66,7 @@ _DEFUN (fread, (buf, size, count, fp),
   args.fp = fp->_fp;
   ret = (size_t*) &args;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FREAD, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FREAD, &args);

   return *ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/freopen.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/freopen.c
+++ my-base-quilt/newlib/libc/machine/spu/freopen.c
@@ -62,7 +62,7 @@ _DEFUN (freopen, (file, mode, fp),
   args.fp = fp->_fp;
   ret = (int *) &args;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FREOPEN, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FREOPEN, &args);

   if (*ret) {
     fp->_fp = *ret;
Index: my-base-quilt/newlib/libc/machine/spu/fscanf.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/fscanf.c
+++ my-base-quilt/newlib/libc/machine/spu/fscanf.c
@@ -74,7 +74,7 @@ fscanf(FILE *fp, _CONST char *fmt, ...)
 #endif


- send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VFSCANF, &args); + __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VFSCANF, &args);

   va_end (args.ap);
   return *ret;
Index: my-base-quilt/newlib/libc/machine/spu/fseek.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/fseek.c
+++ my-base-quilt/newlib/libc/machine/spu/fseek.c
@@ -62,7 +62,7 @@ _DEFUN (fseek, (fp, offset, whence),
   args.whence = whence;
   ret = (int*)&args;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FSEEK, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FSEEK, &args);

   return *ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/fsetpos.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/fsetpos.c
+++ my-base-quilt/newlib/libc/machine/spu/fsetpos.c
@@ -58,7 +58,7 @@ _DEFUN (fsetpos, (iop, pos),
   args.pos = pos;
   ret = (int*)&args;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FSETPOS, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FSETPOS, &args);

   return *ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/fwrite.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/fwrite.c
+++ my-base-quilt/newlib/libc/machine/spu/fwrite.c
@@ -66,7 +66,7 @@ _DEFUN (fwrite, (buf, size, count, fp),
   args.fp = fp->_fp;
   ret = (size_t*) &args;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FWRITE, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FWRITE, &args);

   return *ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/getchar.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/getchar.c
+++ my-base-quilt/newlib/libc/machine/spu/getchar.c
@@ -45,7 +45,7 @@ getchar ()

CHECK_STD_INIT(_REENT);

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_GETCHAR, &ret);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_GETCHAR, &ret);

   return ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/gets.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/gets.c
+++ my-base-quilt/newlib/libc/machine/spu/gets.c
@@ -44,7 +44,7 @@ gets (buf)

   /* The return value gets written over buf
    */
-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_GETS, &buf);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_GETS, &buf);

   return buf;
 }
Index: my-base-quilt/newlib/libc/machine/spu/putc.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/putc.c
+++ my-base-quilt/newlib/libc/machine/spu/putc.c
@@ -59,7 +59,7 @@ putc (c, fp)
   args.fp = fp->_fp;
   ret = (int*)&args;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_PUTC, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_PUTC, &args);

   return *ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/putchar.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/putchar.c
+++ my-base-quilt/newlib/libc/machine/spu/putchar.c
@@ -14,7 +14,7 @@ putchar (c)

/* c gets overwritten before return */

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_PUTCHAR, &c);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_PUTCHAR, &c);

   return c;
 }
Index: my-base-quilt/newlib/libc/machine/spu/puts.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/puts.c
+++ my-base-quilt/newlib/libc/machine/spu/puts.c
@@ -12,7 +12,7 @@ _DEFUN (puts, (s),

   /* The return value gets written over s
    */
-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_PUTS, &s);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_PUTS, &s);

   return (int)s;
 }
Index: my-base-quilt/newlib/libc/machine/spu/remove.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/remove.c
+++ my-base-quilt/newlib/libc/machine/spu/remove.c
@@ -41,7 +41,7 @@ remove (filename)

   /* The return value gets written over buf
    */
-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_REMOVE, &filename);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_REMOVE, &filename);

   return (int)filename;
 }
Index: my-base-quilt/newlib/libc/machine/spu/rename.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/rename.c
+++ my-base-quilt/newlib/libc/machine/spu/rename.c
@@ -54,7 +54,7 @@ rename (old, new)
   args.new = new;
   ret = (int*) &args;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_RENAME, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_RENAME, &args);

   return *ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/scanf.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/scanf.c
+++ my-base-quilt/newlib/libc/machine/spu/scanf.c
@@ -71,7 +71,7 @@ scanf(_CONST char *fmt, ...)
 #endif


- send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VSCANF, &args); + __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VSCANF, &args);

   va_end (args.ap);
   return *ret;
Index: my-base-quilt/newlib/libc/machine/spu/setbuf.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/setbuf.c
+++ my-base-quilt/newlib/libc/machine/spu/setbuf.c
@@ -57,7 +57,7 @@ _DEFUN (setbuf, (fp, buf),
   args.fp = fp->_fp;
   args.buf = buf;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_SETBUF, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_SETBUF, &args);

   return;
 }
Index: my-base-quilt/newlib/libc/machine/spu/setvbuf.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/setvbuf.c
+++ my-base-quilt/newlib/libc/machine/spu/setvbuf.c
@@ -67,7 +67,7 @@ _DEFUN (setvbuf, (fp, buf, mode, size),
   args.size = size;
   ret = (int*)&args;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_SETVBUF, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_SETVBUF, &args);

   return *ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/snprintf.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/snprintf.c
+++ my-base-quilt/newlib/libc/machine/spu/snprintf.c
@@ -79,7 +79,7 @@ _DEFUN(snprintf, (str, size, fmt),
   va_start (args.ap);
 #endif

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VSNPRINTF, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VSNPRINTF, &args);

   va_end (args.ap);
   return *ret;
Index: my-base-quilt/newlib/libc/machine/spu/sprintf.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/sprintf.c
+++ my-base-quilt/newlib/libc/machine/spu/sprintf.c
@@ -75,7 +75,7 @@ _DEFUN(sprintf, (str, fmt),
   va_start (args.ap);
 #endif

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VSPRINTF, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VSPRINTF, &args);

   va_end (args.ap);
   return *ret;
Index: my-base-quilt/newlib/libc/machine/spu/sscanf.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/sscanf.c
+++ my-base-quilt/newlib/libc/machine/spu/sscanf.c
@@ -76,7 +76,7 @@ _DEFUN(sscanf, (str, fmt),
   va_start (args.ap);
 #endif

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VSSCANF, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VSSCANF, &args);

   va_end (args.ap);
   return *ret;
Index: my-base-quilt/newlib/libc/machine/spu/sys/send_to_ppe.h
===================================================================
--- /dev/null
+++ my-base-quilt/newlib/libc/machine/spu/sys/send_to_ppe.h
@@ -0,0 +1,6 @@
+#ifndef __SEND_TO_PPE_H_
+#define __SEND_TO_PPE_H_
+
+void __send_to_ppe(unsigned int signalcode, unsigned int opcode, void *data);
+
+#endif /* __SEND_TO_PPE_H_ */
Index: my-base-quilt/newlib/libc/machine/spu/tmpfile.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/tmpfile.c
+++ my-base-quilt/newlib/libc/machine/spu/tmpfile.c
@@ -50,7 +50,7 @@ _DEFUN_VOID (tmpfile)
     return NULL;
   }

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_TMPFILE, &ret);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_TMPFILE, &ret);

   if (ret) {
     fp->_fp = ret;
Index: my-base-quilt/newlib/libc/machine/spu/tmpnam.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/tmpnam.c
+++ my-base-quilt/newlib/libc/machine/spu/tmpnam.c
@@ -41,7 +41,7 @@ _DEFUN (tmpnam, (s),
   char **ret = &s;
   /* The return value gets written over buf
    */
-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_TMPNAM, &s);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_TMPNAM, &s);

   return *ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/ungetc.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/ungetc.c
+++ my-base-quilt/newlib/libc/machine/spu/ungetc.c
@@ -59,7 +59,7 @@ ungetc (c, fp)
   args.fp = fp->_fp;
   ret = (int*)&args;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_UNGETC, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_UNGETC, &args);

   return *ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/vfprintf.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/vfprintf.c
+++ my-base-quilt/newlib/libc/machine/spu/vfprintf.c
@@ -73,7 +73,7 @@ _DEFUN (vfprintf, (fp, fmt0, ap),
   args.fmt = (char*) fmt0;
   va_copy(args.ap,ap);

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VFPRINTF, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VFPRINTF, &args);

   return *ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/vfscanf.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/vfscanf.c
+++ my-base-quilt/newlib/libc/machine/spu/vfscanf.c
@@ -73,7 +73,7 @@ _DEFUN (vfscanf, (fp, fmt, ap),
   args.fmt = (char*) fmt;
   va_copy(args.ap,ap);

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VFSCANF, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VFSCANF, &args);

   return *ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/vprintf.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/vprintf.c
+++ my-base-quilt/newlib/libc/machine/spu/vprintf.c
@@ -37,7 +37,7 @@ _DEFUN (vprintf, (fmt, ap),
   args.fmt = fmt;
   va_copy(args.ap,ap);

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VPRINTF, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VPRINTF, &args);

   return *ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/vscanf.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/vscanf.c
+++ my-base-quilt/newlib/libc/machine/spu/vscanf.c
@@ -69,7 +69,7 @@ _DEFUN (vscanf, (fmt, ap),
   args.fmt = (char*) fmt;
   va_copy(args.ap,ap);

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VSCANF, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VSCANF, &args);

   return *ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/vsnprintf.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/vsnprintf.c
+++ my-base-quilt/newlib/libc/machine/spu/vsnprintf.c
@@ -45,7 +45,7 @@ _DEFUN (vsnprintf, (str, size, fmt, ap),
   args.fmt = fmt;
   va_copy(args.ap,ap);

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VSNPRINTF, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VSNPRINTF, &args);

   return *ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/vsprintf.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/vsprintf.c
+++ my-base-quilt/newlib/libc/machine/spu/vsprintf.c
@@ -42,7 +42,7 @@ _DEFUN (vsprintf, (str, fmt, ap),
   args.fmt = (char*) fmt;
   va_copy(args.ap,ap);

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VSPRINTF, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VSPRINTF, &args);

   return *ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/vsscanf.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/vsscanf.c
+++ my-base-quilt/newlib/libc/machine/spu/vsscanf.c
@@ -73,7 +73,7 @@ _DEFUN (vsscanf, (str, fmt, ap),
   args.fmt = (char*) fmt;
   va_copy(args.ap,ap);

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VSSCANF, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VSSCANF, &args);

   return *ret;
 }
Index: my-base-quilt/libgloss/spu/gettimeofday.c
===================================================================
--- my-base-quilt.orig/libgloss/spu/gettimeofday.c
+++ my-base-quilt/libgloss/spu/gettimeofday.c
@@ -43,8 +43,7 @@ gettimeofday (struct timeval *tv, struct
 	sys.tv = (unsigned int)tv;
 	sys.tz = (unsigned int)tz;

-	_send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_GETTIMEOFDAY, &sys);
+	__send_to_ppe(JSRE_POSIX1_SIGNALCODE, JSRE_GETTIMEOFDAY, &sys);

-	errno = psys_out->err;
 	return (psys_out->rc);
 }
Index: my-base-quilt/newlib/libc/machine/spu/c99ppe.h
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/c99ppe.h
+++ my-base-quilt/newlib/libc/machine/spu/c99ppe.h
@@ -31,6 +31,7 @@ Author: Joel Schopp <jschopp@austin.ibm.
 */

 #include <errno.h>
+#include <sys/send_to_ppe.h>

#define SPE_C99_SIGNALCODE 0x2100

@@ -93,27 +94,6 @@ 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;
-}
-
 void _EXFUN(__sinit,(struct _reent *));
 FILE  *_EXFUN(__sfp,(struct _reent *));
 #define __sfp_free(fp) ( (fp)->_fp = 0 )
Index: my-base-quilt/newlib/libc/machine/spu/clearerr.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/clearerr.c
+++ my-base-quilt/newlib/libc/machine/spu/clearerr.c
@@ -47,7 +47,7 @@ _DEFUN (clearerr, (fp),

ret = fp->_fp;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_CLEARERR, &ret);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_CLEARERR, &ret);

   return;
 }
Index: my-base-quilt/newlib/libc/machine/spu/fclose.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/fclose.c
+++ my-base-quilt/newlib/libc/machine/spu/fclose.c
@@ -46,7 +46,7 @@ _DEFUN (fclose, (fp),

ret = fp->_fp;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FCLOSE, &ret);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FCLOSE, &ret);

__sfp_free(fp);

Index: my-base-quilt/newlib/libc/machine/spu/feof.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/feof.c
+++ my-base-quilt/newlib/libc/machine/spu/feof.c
@@ -46,7 +46,7 @@ _DEFUN (feof, (fp),

result = fp->_fp;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FEOF, &result);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FEOF, &result);


return result; Index: my-base-quilt/newlib/libc/machine/spu/ferror.c =================================================================== --- my-base-quilt.orig/newlib/libc/machine/spu/ferror.c +++ my-base-quilt/newlib/libc/machine/spu/ferror.c @@ -46,7 +46,7 @@ _DEFUN (ferror, (fp),

result = fp->_fp;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FERROR, &result);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FERROR, &result);


return result; Index: my-base-quilt/newlib/libc/machine/spu/fflush.c =================================================================== --- my-base-quilt.orig/newlib/libc/machine/spu/fflush.c +++ my-base-quilt/newlib/libc/machine/spu/fflush.c @@ -45,7 +45,7 @@ _DEFUN (fflush, (fp),

result = fp->_fp;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FFLUSH, &result);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FFLUSH, &result);


return result; Index: my-base-quilt/newlib/libc/machine/spu/fgetc.c =================================================================== --- my-base-quilt.orig/newlib/libc/machine/spu/fgetc.c +++ my-base-quilt/newlib/libc/machine/spu/fgetc.c @@ -46,7 +46,7 @@ _DEFUN (fgetc, (fp),

result = fp->_fp;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FGETC, &result);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FGETC, &result);

   return result;
 }
Index: my-base-quilt/newlib/libc/machine/spu/fgetpos.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/fgetpos.c
+++ my-base-quilt/newlib/libc/machine/spu/fgetpos.c
@@ -58,7 +58,7 @@ _DEFUN (fgetpos, (fp, pos),
   arg.fp = fp->_fp;
   arg.pos = pos;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FGETPOS, &arg);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FGETPOS, &arg);


return *result; Index: my-base-quilt/newlib/libc/machine/spu/fileno.c =================================================================== --- my-base-quilt.orig/newlib/libc/machine/spu/fileno.c +++ my-base-quilt/newlib/libc/machine/spu/fileno.c @@ -47,7 +47,7 @@ _DEFUN (fileno, (fp),

ret = fp->_fp;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FILENO, &ret);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FILENO, &ret);

   return ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/fopen.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/fopen.c
+++ my-base-quilt/newlib/libc/machine/spu/fopen.c
@@ -65,7 +65,7 @@ _DEFUN (fopen, (file, mode),
   args.mode = mode;
   ret = (int *) &args;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FOPEN, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FOPEN, &args);

   if (*ret) {
     fp->_fp = *ret;
Index: my-base-quilt/newlib/libc/machine/spu/ftell.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/ftell.c
+++ my-base-quilt/newlib/libc/machine/spu/ftell.c
@@ -47,7 +47,7 @@ _DEFUN (ftell, (fp),

ret = fp->_fp;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FTELL, &ret);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_FTELL, &ret);

   return ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/getc.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/getc.c
+++ my-base-quilt/newlib/libc/machine/spu/getc.c
@@ -49,7 +49,7 @@ getc (fp)

ret = fp->_fp;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_GETC, &ret);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_GETC, &ret);

   return ret;
 }
Index: my-base-quilt/newlib/libc/machine/spu/perror.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/perror.c
+++ my-base-quilt/newlib/libc/machine/spu/perror.c
@@ -11,7 +11,7 @@ _DEFUN (perror, (s),
 {
   CHECK_STD_INIT(_REENT);

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_PERROR, &s);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_PERROR, &s);

   return;
 }
Index: my-base-quilt/newlib/libc/machine/spu/printf.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/printf.c
+++ my-base-quilt/newlib/libc/machine/spu/printf.c
@@ -49,7 +49,7 @@ printf (fmt, va_alist)
   va_start (args.ap);
 #endif

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VPRINTF, &args);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_VPRINTF, &args);

   va_end (args.ap);
   return *ret;
Index: my-base-quilt/newlib/libc/machine/spu/rewind.c
===================================================================
--- my-base-quilt.orig/newlib/libc/machine/spu/rewind.c
+++ my-base-quilt/newlib/libc/machine/spu/rewind.c
@@ -46,7 +46,7 @@ _DEFUN (rewind, (fp),

ret = fp->_fp;

-  send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_REWIND, &ret);
+  __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_REWIND, &ret);

   return;
 }


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