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Fix backtraces on ARM EHABI. #32737

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merged 1 commit into from
Apr 8, 2016
Merged

Fix backtraces on ARM EHABI. #32737

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7 changes: 6 additions & 1 deletion src/libstd/sys/common/unwind/gcc.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -224,8 +224,13 @@ pub mod eabi {
context: *mut uw::_Unwind_Context
) -> uw::_Unwind_Reason_Code
{
// Backtraces on ARM will call the personality routine with
// state == _US_VIRTUAL_UNWIND_FRAME | _US_FORCE_UNWIND. In those cases
// we want to continue unwinding the stack, otherwise all our backtraces
// would end at __rust_try.
if (state as c_int & uw::_US_ACTION_MASK as c_int)
== uw::_US_VIRTUAL_UNWIND_FRAME as c_int { // search phase
== uw::_US_VIRTUAL_UNWIND_FRAME as c_int
&& (state as c_int & uw::_US_FORCE_UNWIND as c_int) == 0 { // search phase
uw::_URC_HANDLER_FOUND // catch!
}
else { // cleanup phase
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