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mips o32: implement fetching the 7th subcall argument

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* syscall.c [LINUX_MIPSO32] (decode_mips_subcall): Fetch the last
argument of 7-arg syscalls.
This commit is contained in:
Дмитрий Левин 2016-09-28 01:57:59 +00:00
parent 1929c2216a
commit 54a4a1a918
1 changed files with 9 additions and 2 deletions
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11
syscall.c
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@ -643,11 +643,18 @@ decode_mips_subcall(struct tcb *tcp)
sizeof(tcp->u_arg) - sizeof(tcp->u_arg[0]));
/*
* Fetching the last arg of 7-arg syscalls (fadvise64_64
* and sync_file_range) would require additional code,
* and sync_file_range) requires additional code,
* see linux/mips/get_syscall_args.c
*/
if (tcp->s_ent->nargs == MAX_ARGS) {
if (umoven(tcp,
mips_REG_SP + MAX_ARGS * sizeof(tcp->u_arg[0]),
sizeof(tcp->u_arg[0]),
&tcp->u_arg[MAX_ARGS - 1]) < 0)
tcp->u_arg[MAX_ARGS - 1] = 0;
}
}
#endif
#endif /* LINUX_MIPSO32 */
static void
dumpio(struct tcb *tcp)