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Update scescx test to print syscall number and arguments. 

Sponsored by:	The FreeBSD Foundation
MFC after:	3 weeks
This commit is contained in:
Konstantin Belousov 2017-06-12 21:16:37 +00:00
parent b43ce76c77
commit 965ee74955
1 changed files with 21 additions and 0 deletions
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21
tools/test/ptrace/scescx.c
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@ -181,12 +181,33 @@ get_pathname(pid_t pid)
static void
wait_info(int pid, int status, struct ptrace_lwpinfo *lwpinfo)
{
long *args;
int error, i;
printf(TRACE "pid %d wait %s", pid,
decode_wait_status(status));
if (lwpinfo != NULL) {
printf(" event %s flags %s",
decode_pl_event(lwpinfo), decode_pl_flags(lwpinfo));
if ((lwpinfo->pl_flags & (PL_FLAG_SCE | PL_FLAG_SCX)) != 0) {
printf(" sc%d", lwpinfo->pl_syscall_code);
args = calloc(lwpinfo->pl_syscall_narg, sizeof(long));
error = ptrace(PT_GET_SC_ARGS, lwpinfo->pl_lwpid,
(caddr_t)args, lwpinfo->pl_syscall_narg *
sizeof(long));
if (error == 0) {
for (i = 0; i < (int)lwpinfo->pl_syscall_narg;
i++) {
printf("%c%#lx", i == 0 ? '(' : ',',
args[i]);
}
} else {
fprintf(stderr, "PT_GET_SC_ARGS failed: %s",
strerror(errno));
}
printf(")");
free(args);
}
}
printf("\n");
}