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2011 Apr 14
0
[PATCH] setjmp.S: longjmp() must not cause setjmp() to return zero
...1. setjmp() must NOT return 0 if it's returning because of a call to longjmp(). Signed-off-by: Matt Fleming <matt.fleming at linux.intel.com> --- com32/lib/setjmp.S | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/com32/lib/setjmp.S b/com32/lib/setjmp.S index 658df48..344c62a 100644 --- a/com32/lib/setjmp.S +++ b/com32/lib/setjmp.S @@ -53,6 +53,10 @@ longjmp: movl 4(%esp),%edx # jmp_ptr address movl 8(%esp),%eax # Return value #endif + cmpl $0,%eax + jnz 1f + inc %eax +1: movl (%edx),%ebx movl 4(%edx),%esp movl 8(%edx),%ebp -- 1.7.4.2