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On Mon, Nov 14, 2011 at 5:02 PM, Paul Pluzhnikov <ppluzhnikov@google.com> wrote:
> P.S. test-setjmp is failing for me (before or after the patch).
> When I enable assertions (to confirm my new assertions are correct), I see:
>
> lt-test-setjmp: ../../src/dwarf/Gparser.c:754: apply_reg_state: \
> Assertion `rs->reg[17].where == DWARF_WHERE_EXPR' failed.
>
> which likely explains that failure.
The problem is actually two-fold:
First, the loops in {sig,}longjmp.c are "do { ... } while (unw_step() >= 0);"
But unw_step() returns 0 on reaching the end of the chain (_start),
and the loop should stop there.
The second problem is that with this commit:
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|---|---|---|
| .. | ||
| arm | ||
| dwarf | ||
| hppa | ||
| ia64 | ||
| mi | ||
| mips | ||
| ppc | ||
| ppc32 | ||
| ppc64 | ||
| ptrace | ||
| setjmp | ||
| unwind | ||
| x86 | ||
| x86_64 | ||
| elf32.c | ||
| elf32.h | ||
| elf64.c | ||
| elf64.h | ||
| elfxx.c | ||
| elfxx.h | ||
| Makefile.am | ||
| os-freebsd.c | ||
| os-hpux.c | ||
| os-linux.c | ||
| os-linux.h | ||