You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
23 lines
547 B
23 lines
547 B
#ifndef NT_ARM_SYSTEM_CALL
|
|
# define NT_ARM_SYSTEM_CALL 0x404
|
|
#endif
|
|
/*
|
|
* NT_ARM_SYSTEM_CALL regset is supported by linux kernel
|
|
* starting with commit v3.19-rc1~59^2~16.
|
|
*/
|
|
|
|
static int
|
|
arch_set_scno(struct tcb *tcp, kernel_ulong_t scno)
|
|
{
|
|
unsigned int n = (uint16_t) scno;
|
|
const struct iovec io = {
|
|
.iov_base = &n,
|
|
.iov_len = sizeof(n)
|
|
};
|
|
int rc = ptrace(PTRACE_SETREGSET, tcp->pid, NT_ARM_SYSTEM_CALL, &io);
|
|
if (rc && errno != ESRCH)
|
|
perror_msg("arch_set_scno: NT_ARM_SYSTEM_CALL pid:%d scno:%#x",
|
|
tcp->pid, n);
|
|
return rc;
|
|
}
|