From b6a312ed8e144a37da840ae50dbd39df5ffb7e9f Mon Sep 17 00:00:00 2001 From: Khem Raj Date: Sun, 2 Jul 2017 16:34:54 -0700 Subject: [PATCH 2/2] replace struct ucontext with ucontext_t glibc 2.26 does not expose struct ucontext any longer Upstream-Status: Pending Signed-off-by: Khem Raj --- .../linux/dump_writer_common/ucontext_reader.cc | 30 +++++++++++----------- .../linux/dump_writer_common/ucontext_reader.h | 10 ++++---- .../src/client/linux/handler/exception_handler.cc | 8 +++--- .../src/client/linux/handler/exception_handler.h | 2 +- .../linux/microdump_writer/microdump_writer.cc | 2 +- .../linux/minidump_writer/minidump_writer.cc | 2 +- 6 files changed, 27 insertions(+), 27 deletions(-) diff --git a/breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc b/breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc index c80724dd8..93b4d9f85 100644 --- a/breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc +++ b/breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc @@ -40,15 +40,15 @@ namespace google_breakpad { #if defined(__i386__) -uintptr_t UContextReader::GetStackPointer(const struct ucontext* uc) { +uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) { return uc->uc_mcontext.gregs[REG_ESP]; } -uintptr_t UContextReader::GetInstructionPointer(const struct ucontext* uc) { +uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) { return uc->uc_mcontext.gregs[REG_EIP]; } -void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc, +void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext_t *uc, const struct _libc_fpstate* fp) { const greg_t* regs = uc->uc_mcontext.gregs; @@ -88,15 +88,15 @@ void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc, #elif defined(__x86_64) -uintptr_t UContextReader::GetStackPointer(const struct ucontext* uc) { +uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) { return uc->uc_mcontext.gregs[REG_RSP]; } -uintptr_t UContextReader::GetInstructionPointer(const struct ucontext* uc) { +uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) { return uc->uc_mcontext.gregs[REG_RIP]; } -void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc, +void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext_t *uc, const struct _libc_fpstate* fpregs) { const greg_t* regs = uc->uc_mcontext.gregs; @@ -145,15 +145,15 @@ void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc, #elif defined(__ARM_EABI__) -uintptr_t UContextReader::GetStackPointer(const struct ucontext* uc) { +uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) { return uc->uc_mcontext.arm_sp; } -uintptr_t UContextReader::GetInstructionPointer(const struct ucontext* uc) { +uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) { return uc->uc_mcontext.arm_pc; } -void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc) { +void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext_t *uc) { out->context_flags = MD_CONTEXT_ARM_FULL; out->iregs[0] = uc->uc_mcontext.arm_r0; @@ -184,15 +184,15 @@ void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc) { #elif defined(__aarch64__) -uintptr_t UContextReader::GetStackPointer(const struct ucontext* uc) { +uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) { return uc->uc_mcontext.sp; } -uintptr_t UContextReader::GetInstructionPointer(const struct ucontext* uc) { +uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) { return uc->uc_mcontext.pc; } -void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc, +void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext_t *uc, const struct fpsimd_context* fpregs) { out->context_flags = MD_CONTEXT_ARM64_FULL; @@ -210,15 +210,15 @@ void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc, #elif defined(__mips__) -uintptr_t UContextReader::GetStackPointer(const struct ucontext* uc) { +uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) { return uc->uc_mcontext.gregs[MD_CONTEXT_MIPS_REG_SP]; } -uintptr_t UContextReader::GetInstructionPointer(const struct ucontext* uc) { +uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) { return uc->uc_mcontext.pc; } -void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc) { +void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext_t *uc) { #if _MIPS_SIM == _ABI64 out->context_flags = MD_CONTEXT_MIPS64_FULL; #elif _MIPS_SIM == _ABIO32 diff --git a/breakpad/src/client/linux/dump_writer_common/ucontext_reader.h b/breakpad/src/client/linux/dump_writer_common/ucontext_reader.h index b6e77b4b5..2369a9ad3 100644 --- a/breakpad/src/client/linux/dump_writer_common/ucontext_reader.h +++ b/breakpad/src/client/linux/dump_writer_common/ucontext_reader.h @@ -41,21 +41,21 @@ namespace google_breakpad { // Wraps platform-dependent implementations of accessors to ucontext structs. struct UContextReader { - static uintptr_t GetStackPointer(const struct ucontext* uc); + static uintptr_t GetStackPointer(const ucontext_t* uc); - static uintptr_t GetInstructionPointer(const struct ucontext* uc); + static uintptr_t GetInstructionPointer(const ucontext_t* uc); // Juggle a arch-specific ucontext into a minidump format // out: the minidump structure // info: the collection of register structures. #if defined(__i386__) || defined(__x86_64) - static void FillCPUContext(RawContextCPU *out, const ucontext *uc, + static void FillCPUContext(RawContextCPU *out, const ucontext_t *uc, const struct _libc_fpstate* fp); #elif defined(__aarch64__) - static void FillCPUContext(RawContextCPU *out, const ucontext *uc, + static void FillCPUContext(RawContextCPU *out, const ucontext_t *uc, const struct fpsimd_context* fpregs); #else - static void FillCPUContext(RawContextCPU *out, const ucontext *uc); + static void FillCPUContext(RawContextCPU *out, const ucontext_t *uc); #endif }; diff --git a/breakpad/src/client/linux/handler/exception_handler.cc b/breakpad/src/client/linux/handler/exception_handler.cc index b63f973b8..f2688acaf 100644 --- a/breakpad/src/client/linux/handler/exception_handler.cc +++ b/breakpad/src/client/linux/handler/exception_handler.cc @@ -439,9 +439,9 @@ bool ExceptionHandler::HandleSignal(int sig, siginfo_t* info, void* uc) { // Fill in all the holes in the struct to make Valgrind happy. memset(&g_crash_context_, 0, sizeof(g_crash_context_)); memcpy(&g_crash_context_.siginfo, info, sizeof(siginfo_t)); - memcpy(&g_crash_context_.context, uc, sizeof(struct ucontext)); + memcpy(&g_crash_context_.context, uc, sizeof(ucontext_t)); #if defined(__aarch64__) - struct ucontext* uc_ptr = (struct ucontext*)uc; + ucontext_t* uc_ptr = (ucontext_t*)uc; struct fpsimd_context* fp_ptr = (struct fpsimd_context*)&uc_ptr->uc_mcontext.__reserved; if (fp_ptr->head.magic == FPSIMD_MAGIC) { @@ -452,7 +452,7 @@ bool ExceptionHandler::HandleSignal(int sig, siginfo_t* info, void* uc) { // FP state is not part of user ABI on ARM Linux. // In case of MIPS Linux FP state is already part of struct ucontext // and 'float_state' is not a member of CrashContext. - struct ucontext* uc_ptr = (struct ucontext*)uc; + ucontext_t* uc_ptr = (ucontext_t*)uc; if (uc_ptr->uc_mcontext.fpregs) { memcpy(&g_crash_context_.float_state, uc_ptr->uc_mcontext.fpregs, sizeof(g_crash_context_.float_state)); @@ -476,7 +476,7 @@ bool ExceptionHandler::SimulateSignalDelivery(int sig) { // ExceptionHandler::HandleSignal(). siginfo.si_code = SI_USER; siginfo.si_pid = getpid(); - struct ucontext context; + ucontext_t context; getcontext(&context); return HandleSignal(sig, &siginfo, &context); } diff --git a/breakpad/src/client/linux/handler/exception_handler.h b/breakpad/src/client/linux/handler/exception_handler.h index 591c31085..846df772f 100644 --- a/breakpad/src/client/linux/handler/exception_handler.h +++ b/breakpad/src/client/linux/handler/exception_handler.h @@ -191,7 +191,7 @@ class ExceptionHandler { struct CrashContext { siginfo_t siginfo; pid_t tid; // the crashing thread. - struct ucontext context; + ucontext_t context; #if !defined(__ARM_EABI__) && !defined(__mips__) // #ifdef this out because FP state is not part of user ABI for Linux ARM. // In case of MIPS Linux FP state is already part of struct diff --git a/breakpad/src/client/linux/microdump_writer/microdump_writer.cc b/breakpad/src/client/linux/microdump_writer/microdump_writer.cc index 6f5b43559..a508667a0 100644 --- a/breakpad/src/client/linux/microdump_writer/microdump_writer.cc +++ b/breakpad/src/client/linux/microdump_writer/microdump_writer.cc @@ -571,7 +571,7 @@ class MicrodumpWriter { void* Alloc(unsigned bytes) { return dumper_->allocator()->Alloc(bytes); } - const struct ucontext* const ucontext_; + const ucontext_t* const ucontext_; #if !defined(__ARM_EABI__) && !defined(__mips__) const google_breakpad::fpstate_t* const float_state_; #endif diff --git a/breakpad/src/client/linux/minidump_writer/minidump_writer.cc b/breakpad/src/client/linux/minidump_writer/minidump_writer.cc index 86009b9f6..f2aec73d7 100644 --- a/breakpad/src/client/linux/minidump_writer/minidump_writer.cc +++ b/breakpad/src/client/linux/minidump_writer/minidump_writer.cc @@ -1248,7 +1248,7 @@ class MinidumpWriter { const int fd_; // File descriptor where the minidum should be written. const char* path_; // Path to the file where the minidum should be written. - const struct ucontext* const ucontext_; // also from the signal handler + const ucontext_t* const ucontext_; // also from the signal handler #if !defined(__ARM_EABI__) && !defined(__mips__) const google_breakpad::fpstate_t* const float_state_; // ditto #endif -- 2.13.2