[PATCH] syscall: Take SYSCALL_OFFSET into account
Markos Chandras <[email protected]> Wed, 14 May 2014 12:35:38 +0100
| Newsgroups | org.kernel.vger.trinity |
|---|---|
| Message-ID | <[email protected]> |
MIPS and IA64 have their syscall tables starting at non-zero offsets so take that into account when executing a sycall otherwise trinity just fails with ENOSYS error messages. Tested on MIPS 32/LE system. Signed-off-by: Markos Chandras <[email protected]> --- syscall.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/syscall.c b/syscall.c index 968962b..a1ccb6b 100644 --- a/syscall.c +++ b/syscall.c @@ -79,6 +79,7 @@ static long syscall32(unsigned int call, static unsigned long do_syscall(int childno, int *errno_saved) { int nr = shm->syscall[childno].nr; + int call = nr + SYSCALL_OFFSET; unsigned long a1, a2, a3, a4, a5, a6; unsigned long ret = 0; @@ -99,9 +100,9 @@ static unsigned long do_syscall(int childno, int *errno_saved) errno = 0; if (shm->syscall[childno].do32bit == FALSE) - ret = syscall(nr, a1, a2, a3, a4, a5, a6); + ret = syscall(call, a1, a2, a3, a4, a5, a6); else - ret = syscall32(nr, a1, a2, a3, a4, a5, a6); + ret = syscall32(call, a1, a2, a3, a4, a5, a6); *errno_saved = errno; -- 1.9.3