[PATCH 2/4] SPU add shm_open and shm_unlink

[Jeff Johnston]

Patch checked in.

-- Jeff J.

Patrick Mansfield wrote:
> Patch from Joel to add SPU shm_open and shm_unlink via assist calls.
>
> libgloss ChangeLog:
>
> 2007-09-20 Joel Schopp  <jschopp@austin.ibm.com>
> 	* spu/jsre.h: Add JSRE_SHM_OPEN and JSRE_SHM_UNLINK opcodes.
> 	* spu/shm_open.c: New file to add shm_open via assist call.
> 	* spu/shm_unlink.c: New file to add shm_unlink via assist call.
> 	* spu/Makefile.in: Add shm_open.o and shm_unlink.o
>
> Index: quilt/libgloss/spu/jsre.h
> ===================================================================
> --- quilt.orig/libgloss/spu/jsre.h
> +++ quilt/libgloss/spu/jsre.h
> @@ -48,6 +48,8 @@ Author: Andreas Neukoetter (ti95neuk@de.
>  #define JSRE_LSTAT 10
>  #define JSRE_OPEN 15
>  #define JSRE_READ 16
> +#define JSRE_SHM_OPEN 21
> +#define JSRE_SHM_UNLINK 22
>  #define JSRE_STAT 23
>  #define JSRE_UNLINK 24
>  #define JSRE_WRITE 27
> Index: quilt/libgloss/spu/shm_open.c
> ===================================================================
> --- /dev/null
> +++ quilt/libgloss/spu/shm_open.c
> @@ -0,0 +1,53 @@
> +/*
> +  Copyright 2007
> +  International Business Machines Corporation,
> +
> +  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 names of the copyright holders nor the names of their
> +  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.
> +*/
> +
> +#include <unistd.h>
> +#include "jsre.h"
> +
> +typedef struct
> +{
> +  char *name;
> +  unsigned int pad0[3];
> +  int oflag;
> +  unsigned int pad1[3];
> +  mode_t mode;
> +  unsigned int pad2[3];
> +} syscall_shm_open_t;
> +
> +int shm_open (const char *name, int oflag, mode_t mode)
> +{
> +  syscall_shm_open_t sys;
> +
> +  sys.name = (char *) name;
> +  sys.oflag = oflag;
> +  sys.mode = mode;
> +  return __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_SHM_OPEN, &sys);
> +}
> Index: quilt/libgloss/spu/shm_unlink.c
> ===================================================================
> --- /dev/null
> +++ quilt/libgloss/spu/shm_unlink.c
> @@ -0,0 +1,38 @@
> +/*
> +  Copyright 2007
> +  International Business Machines Corporation,
> +
> +  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 names of the copyright holders nor the names of their
> +  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.
> +*/
> +
> +#include <unistd.h>
> +#include "jsre.h"
> +
> +int shm_unlink (const char *name)
> +{
> +  return __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_SHM_UNLINK, &name);
> +}
> Index: quilt/libgloss/spu/Makefile.in
> ===================================================================
> --- quilt.orig/libgloss/spu/Makefile.in
> +++ quilt/libgloss/spu/Makefile.in
> @@ -60,8 +60,8 @@ OBJS = \
>  	fsync.o ftruncate.o getcwd.o getpagesize.o getpid.o \
>  	gettimeofday.o isatty.o kill.o lchown.o link.o lockf.o lseek.o \
>  	lstat.o mkdir.o mknod.o mkstemp.o mktemp.o nanosleep.o open.o \
> -	read.o readlink.o rmdir.o sbrk.o stat.o symlink.o sync.o \
> -	syscalls.o truncate.o unlink.o write.o
> +	read.o readlink.o rmdir.o sbrk.o shm_open.o shm_unlink.o stat.o \
> +	symlink.o sync.o syscalls.o truncate.o unlink.o write.o
>  
>  # Object files specific to particular targets.
>  EVALOBJS = ${OBJS}
> @@ -155,4 +155,4 @@ Makefile: Makefile.in config.status @hos
>  config.status: configure
>  	$(SHELL) config.status --recheck
>  
> -syscalls.o close.o fstat.o lseek.o open.o read.o stat.o unlink.o write.o: jsre.h
> +syscalls.o close.o fstat.o lseek.o open.o read.o stat.o unlink.o write.o shm_open.o shm_unlink.o: jsre.h
>