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2003-09-24 Roland McGrath <roland@redhat.com>

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* syscall.c (get_scno) [LINUX] [S390 || S390X]: Bail out of
	instruction decoding branch if TCB_INSYSCALL is clear.
	Reported by <jochen@penguin-breeder.org>.
This commit is contained in:
Roland McGrath 2003-09-24 22:22:41 +00:00
parent a3bc12eab1
commit a9da8cd179
1 changed files with 6 additions and 0 deletions
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6
syscall.c
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@ -777,6 +777,12 @@ struct tcb *tcp;
PT_GPR8, PT_GPR9, PT_GPR10, PT_GPR11,
PT_GPR12, PT_GPR13, PT_GPR14, PT_GPR15};
/* Bail out since if we stopped for a signal after the last
system call return, we might not be looking at the kind
of instruction stream we expect. */
if (!(tcp->flags & TCB_INSYSCALL))
return 1;
if (upeek(pid, PT_PSWADDR, &pc) < 0)
return -1;
errno = 0;