diff options
Diffstat (limited to 'src/UnwindLevel1.c')
| -rw-r--r-- | src/UnwindLevel1.c | 109 |
1 files changed, 56 insertions, 53 deletions
diff --git a/src/UnwindLevel1.c b/src/UnwindLevel1.c index 7294f255407e..0a04438bba2f 100644 --- a/src/UnwindLevel1.c +++ b/src/UnwindLevel1.c @@ -30,7 +30,9 @@ #include "unwind.h" #include "config.h" -#if !_LIBUNWIND_ARM_EHABI +#if !defined(_LIBUNWIND_ARM_EHABI) && !defined(__USING_SJLJ_EXCEPTIONS__) + +#ifndef _LIBUNWIND_SUPPORT_SEH_UNWIND static _Unwind_Reason_Code unwind_phase1(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *exception_object) { @@ -39,17 +41,17 @@ unwind_phase1(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *except // Walk each frame looking for a place to stop. bool handlerNotFound = true; while (handlerNotFound) { - // Ask libuwind to get next frame (skip over first which is + // Ask libunwind to get next frame (skip over first which is // _Unwind_RaiseException). int stepResult = unw_step(cursor); if (stepResult == 0) { _LIBUNWIND_TRACE_UNWINDING("unwind_phase1(ex_ojb=%p): unw_step() reached " - "bottom => _URC_END_OF_STACK\n", + "bottom => _URC_END_OF_STACK", (void *)exception_object); return _URC_END_OF_STACK; } else if (stepResult < 0) { _LIBUNWIND_TRACE_UNWINDING("unwind_phase1(ex_ojb=%p): unw_step failed => " - "_URC_FATAL_PHASE1_ERROR\n", + "_URC_FATAL_PHASE1_ERROR", (void *)exception_object); return _URC_FATAL_PHASE1_ERROR; } @@ -59,7 +61,7 @@ unwind_phase1(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *except unw_word_t sp; if (unw_get_proc_info(cursor, &frameInfo) != UNW_ESUCCESS) { _LIBUNWIND_TRACE_UNWINDING("unwind_phase1(ex_ojb=%p): unw_get_proc_info " - "failed => _URC_FATAL_PHASE1_ERROR\n", + "failed => _URC_FATAL_PHASE1_ERROR", (void *)exception_object); return _URC_FATAL_PHASE1_ERROR; } @@ -76,8 +78,8 @@ unwind_phase1(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *except unw_word_t pc; unw_get_reg(cursor, UNW_REG_IP, &pc); _LIBUNWIND_TRACE_UNWINDING( - "unwind_phase1(ex_ojb=%p): pc=0x%" PRIx64 ", start_ip=0x%" PRIx64 - ", func=%s, lsda=0x%" PRIx64 ", personality=0x%" PRIx64 "\n", + "unwind_phase1(ex_ojb=%p): pc=0x%" PRIxPTR ", start_ip=0x%" PRIxPTR + ", func=%s, lsda=0x%" PRIxPTR ", personality=0x%" PRIxPTR "", (void *)exception_object, pc, frameInfo.start_ip, functionName, frameInfo.lsda, frameInfo.handler); } @@ -86,9 +88,9 @@ unwind_phase1(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *except // this frame. if (frameInfo.handler != 0) { __personality_routine p = - (__personality_routine)(long)(frameInfo.handler); + (__personality_routine)(uintptr_t)(frameInfo.handler); _LIBUNWIND_TRACE_UNWINDING( - "unwind_phase1(ex_ojb=%p): calling personality function %p\n", + "unwind_phase1(ex_ojb=%p): calling personality function %p", (void *)exception_object, (void *)(uintptr_t)p); _Unwind_Reason_Code personalityResult = (*p)(1, _UA_SEARCH_PHASE, exception_object->exception_class, @@ -101,13 +103,13 @@ unwind_phase1(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *except unw_get_reg(cursor, UNW_REG_SP, &sp); exception_object->private_2 = (uintptr_t)sp; _LIBUNWIND_TRACE_UNWINDING( - "unwind_phase1(ex_ojb=%p): _URC_HANDLER_FOUND \n", + "unwind_phase1(ex_ojb=%p): _URC_HANDLER_FOUND", (void *)exception_object); return _URC_NO_REASON; case _URC_CONTINUE_UNWIND: _LIBUNWIND_TRACE_UNWINDING( - "unwind_phase1(ex_ojb=%p): _URC_CONTINUE_UNWIND\n", + "unwind_phase1(ex_ojb=%p): _URC_CONTINUE_UNWIND", (void *)exception_object); // continue unwinding break; @@ -115,7 +117,7 @@ unwind_phase1(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *except default: // something went wrong _LIBUNWIND_TRACE_UNWINDING( - "unwind_phase1(ex_ojb=%p): _URC_FATAL_PHASE1_ERROR\n", + "unwind_phase1(ex_ojb=%p): _URC_FATAL_PHASE1_ERROR", (void *)exception_object); return _URC_FATAL_PHASE1_ERROR; } @@ -129,23 +131,23 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *exception_object) { unw_init_local(cursor, uc); - _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p)\n", + _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p)", (void *)exception_object); // Walk each frame until we reach where search phase said to stop. while (true) { - // Ask libuwind to get next frame (skip over first which is + // Ask libunwind to get next frame (skip over first which is // _Unwind_RaiseException). int stepResult = unw_step(cursor); if (stepResult == 0) { _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p): unw_step() reached " - "bottom => _URC_END_OF_STACK\n", + "bottom => _URC_END_OF_STACK", (void *)exception_object); return _URC_END_OF_STACK; } else if (stepResult < 0) { _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p): unw_step failed => " - "_URC_FATAL_PHASE1_ERROR\n", + "_URC_FATAL_PHASE1_ERROR", (void *)exception_object); return _URC_FATAL_PHASE2_ERROR; } @@ -156,7 +158,7 @@ unwind_phase2(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *except unw_get_reg(cursor, UNW_REG_SP, &sp); if (unw_get_proc_info(cursor, &frameInfo) != UNW_ESUCCESS) { _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p): unw_get_proc_info " - "failed => _URC_FATAL_PHASE1_ERROR\n", + "failed => _URC_FATAL_PHASE1_ERROR", (void *)exception_object); return _URC_FATAL_PHASE2_ERROR; } @@ -170,9 +172,9 @@ unwind_phase2(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *except &offset) != UNW_ESUCCESS) || (frameInfo.start_ip + offset > frameInfo.end_ip)) functionName = ".anonymous."; - _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p): start_ip=0x%" PRIx64 - ", func=%s, sp=0x%" PRIx64 ", lsda=0x%" PRIx64 - ", personality=0x%" PRIx64 "\n", + _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p): start_ip=0x%" PRIxPTR + ", func=%s, sp=0x%" PRIxPTR ", lsda=0x%" PRIxPTR + ", personality=0x%" PRIxPTR, (void *)exception_object, frameInfo.start_ip, functionName, sp, frameInfo.lsda, frameInfo.handler); @@ -181,7 +183,7 @@ unwind_phase2(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *except // If there is a personality routine, tell it we are unwinding. if (frameInfo.handler != 0) { __personality_routine p = - (__personality_routine)(long)(frameInfo.handler); + (__personality_routine)(uintptr_t)(frameInfo.handler); _Unwind_Action action = _UA_CLEANUP_PHASE; if (sp == exception_object->private_2) { // Tell personality this was the frame it marked in phase 1. @@ -194,7 +196,7 @@ unwind_phase2(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *except case _URC_CONTINUE_UNWIND: // Continue unwinding _LIBUNWIND_TRACE_UNWINDING( - "unwind_phase2(ex_ojb=%p): _URC_CONTINUE_UNWIND\n", + "unwind_phase2(ex_ojb=%p): _URC_CONTINUE_UNWIND", (void *)exception_object); if (sp == exception_object->private_2) { // Phase 1 said we would stop at this frame, but we did not... @@ -204,7 +206,7 @@ unwind_phase2(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *except break; case _URC_INSTALL_CONTEXT: _LIBUNWIND_TRACE_UNWINDING( - "unwind_phase2(ex_ojb=%p): _URC_INSTALL_CONTEXT\n", + "unwind_phase2(ex_ojb=%p): _URC_INSTALL_CONTEXT", (void *)exception_object); // Personality routine says to transfer control to landing pad. // We may get control back if landing pad calls _Unwind_Resume(). @@ -213,8 +215,8 @@ unwind_phase2(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *except unw_get_reg(cursor, UNW_REG_IP, &pc); unw_get_reg(cursor, UNW_REG_SP, &sp); _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p): re-entering " - "user code with ip=0x%" PRIx64 - ", sp=0x%" PRIx64 "\n", + "user code with ip=0x%" PRIxPTR + ", sp=0x%" PRIxPTR, (void *)exception_object, pc, sp); } unw_resume(cursor); @@ -247,7 +249,7 @@ unwind_phase2_forced(unw_context_t *uc, unw_cursor_t *cursor, unw_proc_info_t frameInfo; if (unw_get_proc_info(cursor, &frameInfo) != UNW_ESUCCESS) { _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): unw_step " - "failed => _URC_END_OF_STACK\n", + "failed => _URC_END_OF_STACK", (void *)exception_object); return _URC_FATAL_PHASE2_ERROR; } @@ -262,8 +264,8 @@ unwind_phase2_forced(unw_context_t *uc, unw_cursor_t *cursor, (frameInfo.start_ip + offset > frameInfo.end_ip)) functionName = ".anonymous."; _LIBUNWIND_TRACE_UNWINDING( - "unwind_phase2_forced(ex_ojb=%p): start_ip=0x%" PRIx64 - ", func=%s, lsda=0x%" PRIx64 ", personality=0x%" PRIx64 "\n", + "unwind_phase2_forced(ex_ojb=%p): start_ip=0x%" PRIxPTR + ", func=%s, lsda=0x%" PRIxPTR ", personality=0x%" PRIxPTR, (void *)exception_object, frameInfo.start_ip, functionName, frameInfo.lsda, frameInfo.handler); } @@ -275,11 +277,11 @@ unwind_phase2_forced(unw_context_t *uc, unw_cursor_t *cursor, (*stop)(1, action, exception_object->exception_class, exception_object, (struct _Unwind_Context *)(cursor), stop_parameter); _LIBUNWIND_TRACE_UNWINDING( - "unwind_phase2_forced(ex_ojb=%p): stop function returned %d\n", + "unwind_phase2_forced(ex_ojb=%p): stop function returned %d", (void *)exception_object, stopResult); if (stopResult != _URC_NO_REASON) { _LIBUNWIND_TRACE_UNWINDING( - "unwind_phase2_forced(ex_ojb=%p): stopped by stop function\n", + "unwind_phase2_forced(ex_ojb=%p): stopped by stop function", (void *)exception_object); return _URC_FATAL_PHASE2_ERROR; } @@ -287,9 +289,9 @@ unwind_phase2_forced(unw_context_t *uc, unw_cursor_t *cursor, // If there is a personality routine, tell it we are unwinding. if (frameInfo.handler != 0) { __personality_routine p = - (__personality_routine)(long)(frameInfo.handler); + (__personality_routine)(intptr_t)(frameInfo.handler); _LIBUNWIND_TRACE_UNWINDING( - "unwind_phase2_forced(ex_ojb=%p): calling personality function %p\n", + "unwind_phase2_forced(ex_ojb=%p): calling personality function %p", (void *)exception_object, (void *)(uintptr_t)p); _Unwind_Reason_Code personalityResult = (*p)(1, action, exception_object->exception_class, exception_object, @@ -298,14 +300,14 @@ unwind_phase2_forced(unw_context_t *uc, unw_cursor_t *cursor, case _URC_CONTINUE_UNWIND: _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): " "personality returned " - "_URC_CONTINUE_UNWIND\n", + "_URC_CONTINUE_UNWIND", (void *)exception_object); // Destructors called, continue unwinding break; case _URC_INSTALL_CONTEXT: _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): " "personality returned " - "_URC_INSTALL_CONTEXT\n", + "_URC_INSTALL_CONTEXT", (void *)exception_object); // We may get control back if landing pad calls _Unwind_Resume(). unw_resume(cursor); @@ -314,7 +316,7 @@ unwind_phase2_forced(unw_context_t *uc, unw_cursor_t *cursor, // Personality routine returned an unknown result code. _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): " "personality returned %d, " - "_URC_FATAL_PHASE2_ERROR\n", + "_URC_FATAL_PHASE2_ERROR", (void *)exception_object, personalityResult); return _URC_FATAL_PHASE2_ERROR; } @@ -324,7 +326,7 @@ unwind_phase2_forced(unw_context_t *uc, unw_cursor_t *cursor, // Call stop function one last time and tell it we've reached the end // of the stack. _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): calling stop " - "function with _UA_END_OF_STACK\n", + "function with _UA_END_OF_STACK", (void *)exception_object); _Unwind_Action lastAction = (_Unwind_Action)(_UA_FORCE_UNWIND | _UA_CLEANUP_PHASE | _UA_END_OF_STACK); @@ -340,7 +342,7 @@ unwind_phase2_forced(unw_context_t *uc, unw_cursor_t *cursor, /// Called by __cxa_throw. Only returns if there is a fatal error. _LIBUNWIND_EXPORT _Unwind_Reason_Code _Unwind_RaiseException(_Unwind_Exception *exception_object) { - _LIBUNWIND_TRACE_API("_Unwind_RaiseException(ex_obj=%p)\n", + _LIBUNWIND_TRACE_API("_Unwind_RaiseException(ex_obj=%p)", (void *)exception_object); unw_context_t uc; unw_cursor_t cursor; @@ -375,7 +377,7 @@ _Unwind_RaiseException(_Unwind_Exception *exception_object) { /// in turn calls _Unwind_Resume_or_Rethrow(). _LIBUNWIND_EXPORT void _Unwind_Resume(_Unwind_Exception *exception_object) { - _LIBUNWIND_TRACE_API("_Unwind_Resume(ex_obj=%p)\n", (void *)exception_object); + _LIBUNWIND_TRACE_API("_Unwind_Resume(ex_obj=%p)", (void *)exception_object); unw_context_t uc; unw_cursor_t cursor; unw_getcontext(&uc); @@ -399,7 +401,7 @@ _Unwind_Resume(_Unwind_Exception *exception_object) { _LIBUNWIND_EXPORT _Unwind_Reason_Code _Unwind_ForcedUnwind(_Unwind_Exception *exception_object, _Unwind_Stop_Fn stop, void *stop_parameter) { - _LIBUNWIND_TRACE_API("_Unwind_ForcedUnwind(ex_obj=%p, stop=%p)\n", + _LIBUNWIND_TRACE_API("_Unwind_ForcedUnwind(ex_obj=%p, stop=%p)", (void *)exception_object, (void *)(uintptr_t)stop); unw_context_t uc; unw_cursor_t cursor; @@ -424,11 +426,11 @@ _Unwind_GetLanguageSpecificData(struct _Unwind_Context *context) { if (unw_get_proc_info(cursor, &frameInfo) == UNW_ESUCCESS) result = (uintptr_t)frameInfo.lsda; _LIBUNWIND_TRACE_API( - "_Unwind_GetLanguageSpecificData(context=%p) => 0x%" PRIxPTR "\n", + "_Unwind_GetLanguageSpecificData(context=%p) => 0x%" PRIxPTR, (void *)context, result); if (result != 0) { if (*((uint8_t *)result) != 0xFF) - _LIBUNWIND_DEBUG_LOG("lsda at 0x%" PRIxPTR " does not start with 0xFF\n", + _LIBUNWIND_DEBUG_LOG("lsda at 0x%" PRIxPTR " does not start with 0xFF", result); } return result; @@ -444,17 +446,18 @@ _Unwind_GetRegionStart(struct _Unwind_Context *context) { uintptr_t result = 0; if (unw_get_proc_info(cursor, &frameInfo) == UNW_ESUCCESS) result = (uintptr_t)frameInfo.start_ip; - _LIBUNWIND_TRACE_API("_Unwind_GetRegionStart(context=%p) => 0x%" PRIxPTR "\n", + _LIBUNWIND_TRACE_API("_Unwind_GetRegionStart(context=%p) => 0x%" PRIxPTR, (void *)context, result); return result; } +#endif // !_LIBUNWIND_SUPPORT_SEH_UNWIND /// Called by personality handler during phase 2 if a foreign exception // is caught. _LIBUNWIND_EXPORT void _Unwind_DeleteException(_Unwind_Exception *exception_object) { - _LIBUNWIND_TRACE_API("_Unwind_DeleteException(ex_obj=%p)\n", + _LIBUNWIND_TRACE_API("_Unwind_DeleteException(ex_obj=%p)", (void *)exception_object); if (exception_object->exception_cleanup != NULL) (*exception_object->exception_cleanup)(_URC_FOREIGN_EXCEPTION_CAUGHT, @@ -467,17 +470,17 @@ _Unwind_GetGR(struct _Unwind_Context *context, int index) { unw_cursor_t *cursor = (unw_cursor_t *)context; unw_word_t result; unw_get_reg(cursor, index, &result); - _LIBUNWIND_TRACE_API("_Unwind_GetGR(context=%p, reg=%d) => 0x%" PRIx64 "\n", - (void *)context, index, (uint64_t)result); + _LIBUNWIND_TRACE_API("_Unwind_GetGR(context=%p, reg=%d) => 0x%" PRIxPTR, + (void *)context, index, result); return (uintptr_t)result; } /// Called by personality handler during phase 2 to alter register values. _LIBUNWIND_EXPORT void _Unwind_SetGR(struct _Unwind_Context *context, int index, uintptr_t value) { - _LIBUNWIND_TRACE_API("_Unwind_SetGR(context=%p, reg=%d, value=0x%0" PRIx64 - ")\n", - (void *)context, index, (uint64_t)value); + _LIBUNWIND_TRACE_API("_Unwind_SetGR(context=%p, reg=%d, value=0x%0" PRIxPTR + ")", + (void *)context, index, value); unw_cursor_t *cursor = (unw_cursor_t *)context; unw_set_reg(cursor, index, value); } @@ -487,8 +490,8 @@ _LIBUNWIND_EXPORT uintptr_t _Unwind_GetIP(struct _Unwind_Context *context) { unw_cursor_t *cursor = (unw_cursor_t *)context; unw_word_t result; unw_get_reg(cursor, UNW_REG_IP, &result); - _LIBUNWIND_TRACE_API("_Unwind_GetIP(context=%p) => 0x%" PRIx64 "\n", - (void *)context, (uint64_t)result); + _LIBUNWIND_TRACE_API("_Unwind_GetIP(context=%p) => 0x%" PRIxPTR, + (void *)context, result); return (uintptr_t)result; } @@ -497,10 +500,10 @@ _LIBUNWIND_EXPORT uintptr_t _Unwind_GetIP(struct _Unwind_Context *context) { /// start executing in the landing pad. _LIBUNWIND_EXPORT void _Unwind_SetIP(struct _Unwind_Context *context, uintptr_t value) { - _LIBUNWIND_TRACE_API("_Unwind_SetIP(context=%p, value=0x%0" PRIx64 ")\n", - (void *)context, (uint64_t)value); + _LIBUNWIND_TRACE_API("_Unwind_SetIP(context=%p, value=0x%0" PRIxPTR ")", + (void *)context, value); unw_cursor_t *cursor = (unw_cursor_t *)context; unw_set_reg(cursor, UNW_REG_IP, value); } -#endif // !_LIBUNWIND_ARM_EHABI +#endif // !defined(_LIBUNWIND_ARM_EHABI) && !defined(__USING_SJLJ_EXCEPTIONS__) |