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[x86-64] (unw_is_signal_frame): If access mem fails, it's not a signal frame.

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Arun Sharma 2006-07-26 21:58:27 -06:00 committed by David Mosberger-Tang
parent 58888a5060
commit 7c0907634d
1 changed files with 1 additions and 1 deletions
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src/x86_64/Gis_signal_frame.c
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@ -52,7 +52,7 @@ unw_is_signal_frame (unw_cursor_t *cursor)
ip = c->dwarf.ip; ip = c->dwarf.ip;
if ((ret = (*a->access_mem) (as, ip, &w0, 0, arg)) < 0 if ((ret = (*a->access_mem) (as, ip, &w0, 0, arg)) < 0
|| (ret = (*a->access_mem) (as, ip + 8, &w1, 0, arg)) < 0) || (ret = (*a->access_mem) (as, ip + 8, &w1, 0, arg)) < 0)
return ret; return 0;
w1 &= 0xffffffff; w1 &= 0xffffffff;
return (w0 == 0x0f0000000fc0c748 && w1 == 0x66666605); return (w0 == 0x0f0000000fc0c748 && w1 == 0x66666605);
} }