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| author | Michael Snyder <msnyder@vmware.com> | 2009-07-15 01:12:16 +0000 |
|---|---|---|
| committer | Michael Snyder <msnyder@vmware.com> | 2009-07-15 01:12:16 +0000 |
| commit | 6e0a4f159349aa3d4f6a0c46eb23ec86197fccfc (patch) | |
| tree | 867f7c6e7f7beacbe9be15513c3d6a1d6902d2ac | |
| parent | 5c0b619860acffea2b76a5de93dc6c58c155ad6e (diff) | |
| download | gdb-6e0a4f159349aa3d4f6a0c46eb23ec86197fccfc.zip gdb-6e0a4f159349aa3d4f6a0c46eb23ec86197fccfc.tar.gz gdb-6e0a4f159349aa3d4f6a0c46eb23ec86197fccfc.tar.bz2 | |
2009-07-14 Michael Snyder <msnyder@vmware.com>
* gdb.arch/i386-signal.c (sigframe): Add a nop to avoid
confusing the i386 epilogue unwinder.
| -rw-r--r-- | gdb/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.arch/i386-signal.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index ad57d81..4c3fd09 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2009-07-14 Michael Snyder <msnyder@vmware.com> + + * gdb.arch/i386-signal.c (sigframe): Add a nop to avoid + confusing the i386 epilogue unwinder. + 2009-07-14 Stan Shebs <stan@codesourcery.com> * gdb.trace/tracecmd.exp: Add basic test of tracepoint conditions. diff --git a/gdb/testsuite/gdb.arch/i386-signal.c b/gdb/testsuite/gdb.arch/i386-signal.c index d44bc88..bf6f5c7 100644 --- a/gdb/testsuite/gdb.arch/i386-signal.c +++ b/gdb/testsuite/gdb.arch/i386-signal.c @@ -37,6 +37,10 @@ main (void) The default CIE created by gas suffices to unwind from an empty function. */ +/* Note: to make sure that the Dwarf unwinder gets to handle + the frame, we add an extra 'nop' after the label. Otherwise, + the epilogue unwinder will see the 'ret' and grab the frame. */ + asm(".text\n" " .align 8\n" " .globl setup\n" @@ -49,5 +53,6 @@ asm(".text\n" " nop\n" " .globl sigframe\n" "sigframe:\n" + " nop\n" " ret\n" " .cfi_endproc"); |