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x86_64: stop unwinding when %rbp location is NULL

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This commit is contained in:
Konstantin Belousov 2012-09-17 17:39:14 +03:00 committed by Arun Sharma
parent e891591bcb
commit d0cbc51955
1 changed files with 6 additions and 0 deletions
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6
src/x86_64/Gstep.c
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@ -198,6 +198,12 @@ unw_step (unw_cursor_t *cursor)
c->dwarf.ret_addr_column = RIP;
if (DWARF_IS_NULL_LOC (c->dwarf.loc[RBP]))
{
ret = 0;
Debug (2, "NULL %rbp loc, returning %d\n", ret);
return ret;
}
if (!DWARF_IS_NULL_LOC (c->dwarf.loc[RIP]))
{
ret = dwarf_get (&c->dwarf, c->dwarf.loc[RIP], &c->dwarf.ip);