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2007-06-20 Patrick Mansfield <patmans@us.ibm.com>

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* spu/jsre.h: JSRE_LINK, JSRE_SYMLINK and JSRE_READLINK.
        * spu/link.c: New file to add link support via an assist call.
        * spu/readlink.c: New file to add readlink support via an assist call.
        * spu/symlink.c: New file to add symlink support via an assist call.
        * spu/Makefile.in: Add new files.
This commit is contained in:
Jeff Johnston 2007-06-20 21:44:54 +00:00
parent 72a14088c2
commit 7f8ec7f163
6 changed files with 182 additions and 2 deletions
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8
libgloss/ChangeLog
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@ -1,3 +1,11 @@
2007-06-20 Patrick Mansfield <patmans@us.ibm.com>
* spu/jsre.h: JSRE_LINK, JSRE_SYMLINK and JSRE_READLINK.
* spu/link.c: New file to add link support via an assist call.
* spu/readlink.c: New file to add readlink support via an assist call.
* spu/symlink.c: New file to add symlink support via an assist call.
* spu/Makefile.in: Add new files.
2007-06-20 Patrick Mansfield <patmans@us.ibm.com>
* spu/jsre.h: Add JSRE_LSTAT.

5
libgloss/spu/Makefile.in
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@ -58,8 +58,9 @@ OBJS = \
access.o chdir.o chmod.o chown.o close.o conv_stat.o dup.o exit.o \
fchdir.o fchmod.o fchown.o fstat.o ftruncate.o getcwd.o \
getpagesize.o getpid.o gettimeofday.o isatty.o kill.o lchown.o \
lseek.o lstat.o mkdir.o mknod.o nanosleep.o open.o read.o rmdir.o \
sbrk.o stat.o syscalls.o unlink.o write.o
link.o lseek.o lstat.o mkdir.o mknod.o nanosleep.o open.o read.o \
readlink.o rmdir.o sbrk.o stat.o symlink.o syscalls.o unlink.o \
write.o
# Object files specific to particular targets.
EVALOBJS = ${OBJS}

3
libgloss/spu/jsre.h
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@ -67,6 +67,9 @@ Author: Andreas Neukoetter (ti95neuk@de.ibm.com)
#define JSRE_FCHOWN 41
#define JSRE_LCHOWN 42
#define JSRE_GETCWD 43
#define JSRE_LINK 44
#define JSRE_SYMLINK 45
#define JSRE_READLINK 46
struct jsre_stat {
unsigned int dev;

53
libgloss/spu/link.c Normal file
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@ -0,0 +1,53 @@
/*
Copyright 2007
International Business Machines Corporation,
Sony Computer Entertainment, Incorporated,
Toshiba 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
{
unsigned int oldpath;
unsigned int pad0[3];
unsigned int newpath;
unsigned int pad1[3];
} syscall_link_t;
int
link (const char *oldpath, const char *newpath)
{
syscall_link_t sys;
sys.oldpath = (unsigned int) oldpath;
sys.newpath = (unsigned int) newpath;
return __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_LINK, &sys);
}

62
libgloss/spu/readlink.c Normal file
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@ -0,0 +1,62 @@
/*
Copyright 2007
International Business Machines Corporation,
Sony Computer Entertainment, Incorporated,
Toshiba 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
{
unsigned int path;
unsigned int pad0[3];
unsigned int buf;
unsigned int pad1[3];
unsigned int bufsiz;
unsigned int pad2[3];
} syscall_readlink_t;
/*
* POSIX says readlink returns ssize_t, and has an size_t bufsiz, but
* newlib has it prototyped as returning int, and int bufsiz. ssize_t,
* size_t and int are ally currently 4 bytes for SPU, so just leave them
* as ints for now.
*/
int
readlink (const char *path, char *buf, int bufsiz)
{
syscall_readlink_t sys;
sys.path = (unsigned int) path;
sys.buf = (unsigned int) buf;
sys.bufsiz = (unsigned int) bufsiz;
return __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_READLINK, &sys);
}

53
libgloss/spu/symlink.c Normal file
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@ -0,0 +1,53 @@
/*
Copyright 2007
International Business Machines Corporation,
Sony Computer Entertainment, Incorporated,
Toshiba 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
{
unsigned int oldpath;
unsigned int pad0[3];
unsigned int newpath;
unsigned int pad1[3];
} syscall_link_t;
int
symlink (const char *oldpath, const char *newpath)
{
syscall_link_t sys;
sys.oldpath = (unsigned int) oldpath;
sys.newpath = (unsigned int) newpath;
return __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_SYMLINK, &sys);
}