7f8ec7f163
* 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.
63 lines
2.3 KiB
C
63 lines
2.3 KiB
C
/*
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Copyright 2007
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International Business Machines Corporation,
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Sony Computer Entertainment, Incorporated,
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Toshiba Corporation,
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the names of the copyright holders nor the names of their
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <unistd.h>
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#include "jsre.h"
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typedef struct
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{
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unsigned int path;
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unsigned int pad0[3];
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unsigned int buf;
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unsigned int pad1[3];
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unsigned int bufsiz;
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unsigned int pad2[3];
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} syscall_readlink_t;
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/*
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* POSIX says readlink returns ssize_t, and has an size_t bufsiz, but
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* newlib has it prototyped as returning int, and int bufsiz. ssize_t,
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* size_t and int are ally currently 4 bytes for SPU, so just leave them
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* as ints for now.
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*/
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int
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readlink (const char *path, char *buf, int bufsiz)
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{
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syscall_readlink_t sys;
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sys.path = (unsigned int) path;
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sys.buf = (unsigned int) buf;
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sys.bufsiz = (unsigned int) bufsiz;
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return __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_READLINK, &sys);
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}
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