6f6b0dec6c
or hidden, if available. If not available, use an ELF version script if it is supported. If all else fails, fall back to using libtool's -export-symbols.
101 lines
4.1 KiB
C
101 lines
4.1 KiB
C
/*
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* Copyright (c) 2004-2005, 2010-2011 Todd C. Miller <Todd.Miller@courtesan.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <config.h>
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#include <sys/types.h>
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#include <errno.h>
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#include <stdarg.h>
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#ifdef HAVE_SPAWN_H
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#include <spawn.h>
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#endif
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#include "missing.h"
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/*
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* Dummy versions of the execve() family of syscalls. We don't need
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* to stub out all of them, just the ones that correspond to actual
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* system calls (which varies by OS). Note that it is still possible
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* to access the real syscalls via the syscall() interface but very
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* few programs actually do that.
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*/
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#define DUMMY_BODY \
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{ \
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errno = EACCES; \
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return -1; \
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}
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#define DUMMY2(fn, t1, t2) \
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__dso_public int \
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fn(t1 a1, t2 a2) \
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DUMMY_BODY
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#define DUMMY3(fn, t1, t2, t3) \
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__dso_public int \
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fn(t1 a1, t2 a2, t3 a3) \
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DUMMY_BODY
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#define DUMMY6(fn, t1, t2, t3, t4, t5, t6) \
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__dso_public int \
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fn(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6) \
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DUMMY_BODY
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#define DUMMY_VA(fn, t1, t2) \
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__dso_public int \
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fn(t1 a1, t2 a2, ...) \
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DUMMY_BODY
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DUMMY_VA(execl, const char *, const char *)
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DUMMY_VA(_execl, const char *, const char *)
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DUMMY_VA(__execl, const char *, const char *)
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DUMMY_VA(execle, const char *, const char *)
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DUMMY_VA(_execle, const char *, const char *)
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DUMMY_VA(__execle, const char *, const char *)
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DUMMY_VA(execlp, const char *, const char *)
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DUMMY_VA(_execlp, const char *, const char *)
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DUMMY_VA(__execlp, const char *, const char *)
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DUMMY3(exect, const char *, char * const *, char * const *)
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DUMMY3(_exect, const char *, char * const *, char * const *)
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DUMMY3(__exect, const char *, char * const *, char * const *)
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DUMMY2(execv, const char *, char * const *)
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DUMMY2(_execv, const char *, char * const *)
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DUMMY2(__execv, const char *, char * const *)
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DUMMY2(execvp, const char *, char * const *)
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DUMMY2(_execvp, const char *, char * const *)
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DUMMY2(__execvp, const char *, char * const *)
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DUMMY3(execvP, const char *, const char *, char * const *)
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DUMMY3(_execvP, const char *, const char *, char * const *)
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DUMMY3(__execvP, const char *, const char *, char * const *)
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DUMMY3(execve, const char *, char * const *, char * const *)
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DUMMY3(_execve, const char *, char * const *, char * const *)
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DUMMY3(__execve, const char *, char * const *, char * const *)
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DUMMY3(execvpe, const char *, char * const *, char * const *)
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DUMMY3(_execvpe, const char *, char * const *, char * const *)
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DUMMY3(__execvpe, const char *, char * const *, char * const *)
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DUMMY3(fexecve, int , char * const *, char * const *)
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DUMMY3(_fexecve, int , char * const *, char * const *)
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DUMMY3(__fexecve, int , char * const *, char * const *)
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#ifdef HAVE_SPAWN_H
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DUMMY6(posix_spawn, pid_t *, const char *, const posix_spawn_file_actions_t *, const posix_spawnattr_t *, char * const *, char * const *)
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DUMMY6(_posix_spawn, pid_t *, const char *, const posix_spawn_file_actions_t *, const posix_spawnattr_t *, char * const *, char * const *)
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DUMMY6(__posix_spawn, pid_t *, const char *, const posix_spawn_file_actions_t *, const posix_spawnattr_t *, char * const *, char * const *)
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DUMMY6(posix_spawnp, pid_t *, const char *, const posix_spawn_file_actions_t *, const posix_spawnattr_t *, char * const *, char * const *)
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DUMMY6(_posix_spawnp, pid_t *, const char *, const posix_spawn_file_actions_t *, const posix_spawnattr_t *, char * const *, char * const *)
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DUMMY6(__posix_spawnp, pid_t *, const char *, const posix_spawn_file_actions_t *, const posix_spawnattr_t *, char * const *, char * const *)
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#endif /* HAVE_SPAWN_H */
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