diff options
Diffstat (limited to 'src/Unwind-sjlj.c')
-rw-r--r-- | src/Unwind-sjlj.c | 120 |
1 files changed, 66 insertions, 54 deletions
diff --git a/src/Unwind-sjlj.c b/src/Unwind-sjlj.c index 90cac3f8c763..b8bb7c83bdff 100644 --- a/src/Unwind-sjlj.c +++ b/src/Unwind-sjlj.c @@ -1,9 +1,8 @@ //===--------------------------- Unwind-sjlj.c ----------------------------===// // -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // // // Implements setjump-longjump based C++ exceptions @@ -12,6 +11,7 @@ #include <unwind.h> +#include <inttypes.h> #include <stdint.h> #include <stdbool.h> #include <stdlib.h> @@ -52,7 +52,7 @@ struct _Unwind_FunctionContext { #else # if __STDC_VERSION__ >= 201112L # define _LIBUNWIND_THREAD_LOCAL _Thread_local -# elif defined(_WIN32) +# elif defined(_MSC_VER) # define _LIBUNWIND_THREAD_LOCAL __declspec(thread) # elif defined(__GNUC__) || defined(__clang__) # define _LIBUNWIND_THREAD_LOCAL __thread @@ -108,7 +108,8 @@ _Unwind_SjLj_Unregister(struct _Unwind_FunctionContext *fc) { static _Unwind_Reason_Code unwind_phase1(struct _Unwind_Exception *exception_object) { _Unwind_FunctionContext_t c = __Unwind_SjLj_GetTopOfFunctionStack(); - _LIBUNWIND_TRACE_UNWINDING("unwind_phase1: initial function-context=%p", c); + _LIBUNWIND_TRACE_UNWINDING("unwind_phase1: initial function-context=%p", + (void *)c); // walk each frame looking for a place to stop for (bool handlerNotFound = true; handlerNotFound; c = c->prev) { @@ -117,17 +118,18 @@ unwind_phase1(struct _Unwind_Exception *exception_object) { if (c == NULL) { _LIBUNWIND_TRACE_UNWINDING("unwind_phase1(ex_ojb=%p): reached " "bottom => _URC_END_OF_STACK", - exception_object); + (void *)exception_object); return _URC_END_OF_STACK; } - _LIBUNWIND_TRACE_UNWINDING("unwind_phase1: function-context=%p", c); + _LIBUNWIND_TRACE_UNWINDING("unwind_phase1: function-context=%p", (void *)c); // if there is a personality routine, ask it if it will want to stop at this // frame if (c->personality != NULL) { _LIBUNWIND_TRACE_UNWINDING("unwind_phase1(ex_ojb=%p): calling " - "personality function %p", - exception_object, c->personality); + "personality function %p", + (void *)exception_object, + (void *)c->personality); _Unwind_Reason_Code personalityResult = (*c->personality)( 1, _UA_SEARCH_PHASE, exception_object->exception_class, exception_object, (struct _Unwind_Context *)c); @@ -138,12 +140,14 @@ unwind_phase1(struct _Unwind_Exception *exception_object) { handlerNotFound = false; exception_object->private_2 = (uintptr_t) c; _LIBUNWIND_TRACE_UNWINDING("unwind_phase1(ex_ojb=%p): " - "_URC_HANDLER_FOUND", exception_object); + "_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", exception_object); + "_URC_CONTINUE_UNWIND", + (void *)exception_object); // continue unwinding break; @@ -151,7 +155,7 @@ unwind_phase1(struct _Unwind_Exception *exception_object) { // something went wrong _LIBUNWIND_TRACE_UNWINDING( "unwind_phase1(ex_ojb=%p): _URC_FATAL_PHASE1_ERROR", - exception_object); + (void *)exception_object); return _URC_FATAL_PHASE1_ERROR; } } @@ -162,19 +166,21 @@ unwind_phase1(struct _Unwind_Exception *exception_object) { static _Unwind_Reason_Code unwind_phase2(struct _Unwind_Exception *exception_object) { - _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p)", exception_object); + _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p)", + (void *)exception_object); // walk each frame until we reach where search phase said to stop _Unwind_FunctionContext_t c = __Unwind_SjLj_GetTopOfFunctionStack(); while (true) { _LIBUNWIND_TRACE_UNWINDING("unwind_phase2s(ex_ojb=%p): context=%p", - exception_object, c); + (void *)exception_object, (void *)c); // check for no more frames if (c == NULL) { - _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p): unw_step() reached " - "bottom => _URC_END_OF_STACK", - exception_object); + _LIBUNWIND_TRACE_UNWINDING( + "unwind_phase2(ex_ojb=%p): __unw_step() reached " + "bottom => _URC_END_OF_STACK", + (void *)exception_object); return _URC_END_OF_STACK; } @@ -194,7 +200,7 @@ unwind_phase2(struct _Unwind_Exception *exception_object) { // continue unwinding _LIBUNWIND_TRACE_UNWINDING( "unwind_phase2(ex_ojb=%p): _URC_CONTINUE_UNWIND", - exception_object); + (void *)exception_object); if ((uintptr_t) c == exception_object->private_2) { // phase 1 said we would stop at this frame, but we did not... _LIBUNWIND_ABORT("during phase1 personality function said it would " @@ -203,14 +209,14 @@ unwind_phase2(struct _Unwind_Exception *exception_object) { break; case _URC_INSTALL_CONTEXT: _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p): " - "_URC_INSTALL_CONTEXT, will resume at " - "landing pad %p", - exception_object, c->jbuf[1]); + "_URC_INSTALL_CONTEXT, will resume at " + "landing pad %p", + (void *)exception_object, c->jbuf[1]); // personality routine says to transfer control to landing pad // we may get control back if landing pad calls _Unwind_Resume() __Unwind_SjLj_SetTopOfFunctionStack(c); __builtin_longjmp(c->jbuf, 1); - // unw_resume() only returns if there was an error + // __unw_resume() only returns if there was an error return _URC_FATAL_PHASE2_ERROR; default: // something went wrong @@ -237,9 +243,10 @@ unwind_phase2_forced(struct _Unwind_Exception *exception_object, // get next frame (skip over first which is _Unwind_RaiseException) if (c == NULL) { - _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p): unw_step() reached " - "bottom => _URC_END_OF_STACK", - exception_object); + _LIBUNWIND_TRACE_UNWINDING( + "unwind_phase2(ex_ojb=%p): __unw_step() reached " + "bottom => _URC_END_OF_STACK", + (void *)exception_object); return _URC_END_OF_STACK; } @@ -251,11 +258,11 @@ unwind_phase2_forced(struct _Unwind_Exception *exception_object, (struct _Unwind_Context *)c, stop_parameter); _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): " "stop function returned %d", - exception_object, stopResult); + (void *)exception_object, stopResult); if (stopResult != _URC_NO_REASON) { _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): " "stopped by stop function", - exception_object); + (void *)exception_object); return _URC_FATAL_PHASE2_ERROR; } @@ -264,7 +271,7 @@ unwind_phase2_forced(struct _Unwind_Exception *exception_object, __personality_routine p = (__personality_routine) c->personality; _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): " "calling personality function %p", - exception_object, p); + (void *)exception_object, (void *)p); _Unwind_Reason_Code personalityResult = (*p)(1, action, exception_object->exception_class, exception_object, (struct _Unwind_Context *)c); @@ -272,13 +279,13 @@ unwind_phase2_forced(struct _Unwind_Exception *exception_object, case _URC_CONTINUE_UNWIND: _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): " "personality returned _URC_CONTINUE_UNWIND", - exception_object); + (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", - exception_object); + (void *)exception_object); // we may get control back if landing pad calls _Unwind_Resume() __Unwind_SjLj_SetTopOfFunctionStack(c); __builtin_longjmp(c->jbuf, 1); @@ -288,7 +295,7 @@ unwind_phase2_forced(struct _Unwind_Exception *exception_object, _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): " "personality returned %d, " "_URC_FATAL_PHASE2_ERROR", - exception_object, personalityResult); + (void *)exception_object, personalityResult); return _URC_FATAL_PHASE2_ERROR; } } @@ -298,8 +305,8 @@ unwind_phase2_forced(struct _Unwind_Exception *exception_object, // 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", - exception_object); + "function with _UA_END_OF_STACK", + (void *)exception_object); _Unwind_Action lastAction = (_Unwind_Action)(_UA_FORCE_UNWIND | _UA_CLEANUP_PHASE | _UA_END_OF_STACK); (*stop)(1, lastAction, exception_object->exception_class, exception_object, @@ -314,7 +321,8 @@ unwind_phase2_forced(struct _Unwind_Exception *exception_object, /// Called by __cxa_throw. Only returns if there is a fatal error _LIBUNWIND_EXPORT _Unwind_Reason_Code _Unwind_SjLj_RaiseException(struct _Unwind_Exception *exception_object) { - _LIBUNWIND_TRACE_API("_Unwind_SjLj_RaiseException(ex_obj=%p)", exception_object); + _LIBUNWIND_TRACE_API("_Unwind_SjLj_RaiseException(ex_obj=%p)", + (void *)exception_object); // mark that this is a non-forced unwind, so _Unwind_Resume() can do the right // thing @@ -344,7 +352,8 @@ _Unwind_SjLj_RaiseException(struct _Unwind_Exception *exception_object) { /// __cxa_rethrow() which in turn calls _Unwind_Resume_or_Rethrow() _LIBUNWIND_EXPORT void _Unwind_SjLj_Resume(struct _Unwind_Exception *exception_object) { - _LIBUNWIND_TRACE_API("_Unwind_SjLj_Resume(ex_obj=%p)", exception_object); + _LIBUNWIND_TRACE_API("_Unwind_SjLj_Resume(ex_obj=%p)", + (void *)exception_object); if (exception_object->private_1 != 0) unwind_phase2_forced(exception_object, @@ -362,8 +371,8 @@ _Unwind_SjLj_Resume(struct _Unwind_Exception *exception_object) { _LIBUNWIND_EXPORT _Unwind_Reason_Code _Unwind_SjLj_Resume_or_Rethrow(struct _Unwind_Exception *exception_object) { _LIBUNWIND_TRACE_API("__Unwind_SjLj_Resume_or_Rethrow(ex_obj=%p), " - "private_1=%ld", - exception_object, exception_object->private_1); + "private_1=%" PRIuPTR, + (void *)exception_object, exception_object->private_1); // If this is non-forced and a stopping place was found, then this is a // re-throw. // Call _Unwind_RaiseException() as if this was a new exception. @@ -386,7 +395,8 @@ _LIBUNWIND_EXPORT uintptr_t _Unwind_GetLanguageSpecificData(struct _Unwind_Context *context) { _Unwind_FunctionContext_t ufc = (_Unwind_FunctionContext_t) context; _LIBUNWIND_TRACE_API("_Unwind_GetLanguageSpecificData(context=%p) " - "=> 0x%0lX", context, ufc->lsda); + "=> 0x%" PRIuPTR, + (void *)context, ufc->lsda); return ufc->lsda; } @@ -394,8 +404,8 @@ _Unwind_GetLanguageSpecificData(struct _Unwind_Context *context) { /// Called by personality handler during phase 2 to get register values. _LIBUNWIND_EXPORT uintptr_t _Unwind_GetGR(struct _Unwind_Context *context, int index) { - _LIBUNWIND_TRACE_API("_Unwind_GetGR(context=%p, reg=%d)", - context, index); + _LIBUNWIND_TRACE_API("_Unwind_GetGR(context=%p, reg=%d)", (void *)context, + index); _Unwind_FunctionContext_t ufc = (_Unwind_FunctionContext_t) context; return ufc->resumeParameters[index]; } @@ -404,8 +414,9 @@ _LIBUNWIND_EXPORT uintptr_t _Unwind_GetGR(struct _Unwind_Context *context, /// Called by personality handler during phase 2 to alter register values. _LIBUNWIND_EXPORT void _Unwind_SetGR(struct _Unwind_Context *context, int index, uintptr_t new_value) { - _LIBUNWIND_TRACE_API("_Unwind_SetGR(context=%p, reg=%d, value=0x%0lX)" - , context, index, new_value); + _LIBUNWIND_TRACE_API("_Unwind_SetGR(context=%p, reg=%d, value=0x%" PRIuPTR + ")", + (void *)context, index, new_value); _Unwind_FunctionContext_t ufc = (_Unwind_FunctionContext_t) context; ufc->resumeParameters[index] = new_value; } @@ -414,8 +425,8 @@ _LIBUNWIND_EXPORT void _Unwind_SetGR(struct _Unwind_Context *context, int index, /// Called by personality handler during phase 2 to get instruction pointer. _LIBUNWIND_EXPORT uintptr_t _Unwind_GetIP(struct _Unwind_Context *context) { _Unwind_FunctionContext_t ufc = (_Unwind_FunctionContext_t) context; - _LIBUNWIND_TRACE_API("_Unwind_GetIP(context=%p) => 0x%lX", context, - ufc->resumeLocation + 1); + _LIBUNWIND_TRACE_API("_Unwind_GetIP(context=%p) => 0x%" PRIu32, + (void *)context, ufc->resumeLocation + 1); return ufc->resumeLocation + 1; } @@ -427,8 +438,9 @@ _LIBUNWIND_EXPORT uintptr_t _Unwind_GetIPInfo(struct _Unwind_Context *context, int *ipBefore) { _Unwind_FunctionContext_t ufc = (_Unwind_FunctionContext_t) context; *ipBefore = 0; - _LIBUNWIND_TRACE_API("_Unwind_GetIPInfo(context=%p, %p) => 0x%lX", - context, ipBefore, ufc->resumeLocation + 1); + _LIBUNWIND_TRACE_API("_Unwind_GetIPInfo(context=%p, %p) => 0x%" PRIu32, + (void *)context, (void *)ipBefore, + ufc->resumeLocation + 1); return ufc->resumeLocation + 1; } @@ -436,8 +448,8 @@ _LIBUNWIND_EXPORT uintptr_t _Unwind_GetIPInfo(struct _Unwind_Context *context, /// Called by personality handler during phase 2 to alter instruction pointer. _LIBUNWIND_EXPORT void _Unwind_SetIP(struct _Unwind_Context *context, uintptr_t new_value) { - _LIBUNWIND_TRACE_API("_Unwind_SetIP(context=%p, value=0x%0lX)", - context, new_value); + _LIBUNWIND_TRACE_API("_Unwind_SetIP(context=%p, value=0x%" PRIuPTR ")", + (void *)context, new_value); _Unwind_FunctionContext_t ufc = (_Unwind_FunctionContext_t) context; ufc->resumeLocation = new_value - 1; } @@ -449,7 +461,7 @@ _LIBUNWIND_EXPORT uintptr_t _Unwind_GetRegionStart(struct _Unwind_Context *context) { // Not supported or needed for sjlj based unwinding (void)context; - _LIBUNWIND_TRACE_API("_Unwind_GetRegionStart(context=%p)", context); + _LIBUNWIND_TRACE_API("_Unwind_GetRegionStart(context=%p)", (void *)context); return 0; } @@ -459,7 +471,7 @@ _Unwind_GetRegionStart(struct _Unwind_Context *context) { _LIBUNWIND_EXPORT void _Unwind_DeleteException(struct _Unwind_Exception *exception_object) { _LIBUNWIND_TRACE_API("_Unwind_DeleteException(ex_obj=%p)", - exception_object); + (void *)exception_object); if (exception_object->exception_cleanup != NULL) (*exception_object->exception_cleanup)(_URC_FOREIGN_EXCEPTION_CAUGHT, exception_object); @@ -473,7 +485,7 @@ _LIBUNWIND_EXPORT uintptr_t _Unwind_GetDataRelBase(struct _Unwind_Context *context) { // Not supported or needed for sjlj based unwinding (void)context; - _LIBUNWIND_TRACE_API("_Unwind_GetDataRelBase(context=%p)", context); + _LIBUNWIND_TRACE_API("_Unwind_GetDataRelBase(context=%p)", (void *)context); _LIBUNWIND_ABORT("_Unwind_GetDataRelBase() not implemented"); } @@ -484,14 +496,14 @@ _LIBUNWIND_EXPORT uintptr_t _Unwind_GetTextRelBase(struct _Unwind_Context *context) { // Not supported or needed for sjlj based unwinding (void)context; - _LIBUNWIND_TRACE_API("_Unwind_GetTextRelBase(context=%p)", context); + _LIBUNWIND_TRACE_API("_Unwind_GetTextRelBase(context=%p)", (void *)context); _LIBUNWIND_ABORT("_Unwind_GetTextRelBase() not implemented"); } /// Called by personality handler to get "Call Frame Area" for current frame. _LIBUNWIND_EXPORT uintptr_t _Unwind_GetCFA(struct _Unwind_Context *context) { - _LIBUNWIND_TRACE_API("_Unwind_GetCFA(context=%p)", context); + _LIBUNWIND_TRACE_API("_Unwind_GetCFA(context=%p)", (void *)context); if (context != NULL) { _Unwind_FunctionContext_t ufc = (_Unwind_FunctionContext_t) context; // Setjmp/longjmp based exceptions don't have a true CFA. |