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2009-07-14 Michael Snyder <msnyder@vmware.com>

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* gdb.arch/i386-signal.c (sigframe): Add a nop to avoid
	confusing the i386 epilogue unwinder.
This commit is contained in:
Michael Snyder 2009-07-15 01:12:16 +00:00
parent 5c0b619860
commit 6e0a4f1593
2 changed files with 10 additions and 0 deletions
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5
gdb/testsuite/ChangeLog
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@ -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.

5
gdb/testsuite/gdb.arch/i386-signal.c
View File

@ -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");