unwind-cxx.h (__is_gxx_forced_unwind_class, [...]): Define for ARM EABI unwinder.
* libsupc++/unwind-cxx.h (__is_gxx_forced_unwind_class, __GXX_INIT_FORCED_UNWIND_CLASS): Define for ARM EABI unwinder. * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Call __GXX_INIT_FORCED_UNWIND_CLASS for forced unwind with ARM EABI unwinder. * libsupc++/eh_arm.cc (__cxa_type_match): Use __is_gxx_forced_unwind_class to check for forced unwind. From-SVN: r137683
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parent
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@ -1,3 +1,13 @@
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2008-07-09 Joseph Myers <joseph@codesourcery.com>
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* libsupc++/unwind-cxx.h (__is_gxx_forced_unwind_class,
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__GXX_INIT_FORCED_UNWIND_CLASS): Define for ARM EABI unwinder.
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* libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Call
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__GXX_INIT_FORCED_UNWIND_CLASS for forced unwind with ARM EABI
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unwinder.
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* libsupc++/eh_arm.cc (__cxa_type_match): Use
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__is_gxx_forced_unwind_class to check for forced unwind.
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2008-07-09 Andreas Beckmann <gcc@abeckmann.de>
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PR libstdc++/36552
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@ -46,12 +46,14 @@ __cxa_type_match(_Unwind_Exception* ue_header,
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bool is_reference __attribute__((__unused__)),
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void** thrown_ptr_p)
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{
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bool foreign_exception = !__is_gxx_exception_class(ue_header->exception_class);
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bool forced_unwind = __is_gxx_forced_unwind_class(ue_header->exception_class);
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bool foreign_exception = !forced_unwind && !__is_gxx_exception_class(ue_header->exception_class);
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__cxa_exception* xh = __get_exception_header_from_ue(ue_header);
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const std::type_info* throw_type;
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// XXX What to do with forced unwind?
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if (foreign_exception)
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if (forced_unwind)
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throw_type = &typeid(abi::__forced_unwind);
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else if (foreign_exception)
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throw_type = &typeid(abi::__foreign_exception);
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else
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throw_type = xh->exceptionType;
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@ -544,8 +544,12 @@ PERSONALITY_FUNCTION (int version,
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#ifdef __ARM_EABI_UNWINDER__
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throw_type = ue_header;
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if ((actions & _UA_FORCE_UNWIND)
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|| foreign_exception)
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if (actions & _UA_FORCE_UNWIND)
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{
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__GXX_INIT_FORCED_UNWIND_CLASS(ue_header->exception_class);
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thrown_ptr = 0;
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}
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else if (foreign_exception)
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thrown_ptr = 0;
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#else
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// During forced unwinding, match a magic exception type.
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@ -201,6 +201,32 @@ __GXX_INIT_EXCEPTION_CLASS(_Unwind_Exception_Class c)
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c[7] = '\0';
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}
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static inline bool
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__is_gxx_forced_unwind_class(_Unwind_Exception_Class c)
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{
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return c[0] == 'G'
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&& c[1] == 'N'
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&& c[2] == 'U'
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&& c[3] == 'C'
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&& c[4] == 'F'
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&& c[5] == 'O'
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&& c[6] == 'R'
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&& c[7] == '\0';
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}
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static inline void
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__GXX_INIT_FORCED_UNWIND_CLASS(_Unwind_Exception_Class c)
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{
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c[0] = 'G';
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c[1] = 'N';
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c[2] = 'U';
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c[3] = 'C';
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c[4] = 'F';
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c[5] = 'O';
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c[6] = 'R';
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c[7] = '\0';
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}
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static inline void*
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__gxx_caught_object(_Unwind_Exception* eo)
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{
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