diff options
Diffstat (limited to 'glibc-2.26-fix.diff')
| -rw-r--r-- | glibc-2.26-fix.diff | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/glibc-2.26-fix.diff b/glibc-2.26-fix.diff new file mode 100644 index 000000000000..48733ab899bb --- /dev/null +++ b/glibc-2.26-fix.diff @@ -0,0 +1,258 @@ +From 6a0b7c8ecf0734ba1bcdccf8e0ee97e721fd5420 Mon Sep 17 00:00:00 2001 +Message-Id: <6a0b7c8ecf0734ba1bcdccf8e0ee97e721fd5420.1505113337.git.jan.steffens@gmail.com> +From: =?UTF-8?q?Emilio=20Cobos=20=C3=81lvarez?= <emilio@crisal.io> +Date: Sat, 19 Aug 2017 20:14:25 +0200 +Subject: [PATCH] Fix use of struct ucontext (squash 2 commits) + +Needed for building with glibc 2.26. + +Bug 1385667: Use ucontext_t consistently in breakpad-client. r=ted +MozReview-Commit-ID: AJhzJdNXP0f + +Bug 1394149: Fix remaining uses of ucontext in breakpad-client. r=ted +MozReview-Commit-ID: 5tP7fXsI7dQ +--- + .../linux/dump_writer_common/ucontext_reader.cc | 30 +++++++++++----------- + .../linux/dump_writer_common/ucontext_reader.h | 10 ++++---- + .../linux/handler/exception_handler.cc | 10 ++++---- + .../linux/handler/exception_handler.h | 2 +- + .../linux/microdump_writer/microdump_writer.cc | 2 +- + .../linux/minidump_writer/minidump_writer.cc | 2 +- + 6 files changed, 28 insertions(+), 28 deletions(-) + +diff --git a/toolkit/crashreporter/breakpad-client/linux/dump_writer_common/ucontext_reader.cc b/toolkit/crashreporter/breakpad-client/linux/dump_writer_common/ucontext_reader.cc +index 999960912e459e1b..303c0ebd32b663c4 100644 +--- a/toolkit/crashreporter/breakpad-client/linux/dump_writer_common/ucontext_reader.cc ++++ b/toolkit/crashreporter/breakpad-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; +@@ -184,41 +184,41 @@ 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; + + out->cpsr = static_cast<uint32_t>(uc->uc_mcontext.pstate); + for (int i = 0; i < MD_CONTEXT_ARM64_REG_SP; ++i) + out->iregs[i] = uc->uc_mcontext.regs[i]; + out->iregs[MD_CONTEXT_ARM64_REG_SP] = uc->uc_mcontext.sp; + out->iregs[MD_CONTEXT_ARM64_REG_PC] = uc->uc_mcontext.pc; + + out->float_save.fpsr = fpregs->fpsr; + out->float_save.fpcr = fpregs->fpcr; + my_memcpy(&out->float_save.regs, &fpregs->vregs, + MD_FLOATINGSAVEAREA_ARM64_FPR_COUNT * 16); + } + + #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/toolkit/crashreporter/breakpad-client/linux/dump_writer_common/ucontext_reader.h b/toolkit/crashreporter/breakpad-client/linux/dump_writer_common/ucontext_reader.h +index c533e28ba7441e83..039752a2dfb6e589 100644 +--- a/toolkit/crashreporter/breakpad-client/linux/dump_writer_common/ucontext_reader.h ++++ b/toolkit/crashreporter/breakpad-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/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.cc b/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.cc +index 71a51a763938e39d..12df9bc96ec45fea 100644 +--- a/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.cc ++++ b/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.cc +@@ -439,44 +439,44 @@ 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) { + memcpy(&g_crash_context_.float_state, fp_ptr, + sizeof(g_crash_context_.float_state)); + } + #elif !defined(__ARM_EABI__) && !defined(__mips__) + // FP state is not part of user ABI on ARM Linux. +- // In case of MIPS Linux FP state is already part of struct ucontext ++ // In case of MIPS Linux FP state is already part of ucontext_t + // 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)); + } + #endif + g_crash_context_.tid = syscall(__NR_gettid); + if (crash_handler_ != NULL) { + if (crash_handler_(&g_crash_context_, sizeof(g_crash_context_), + callback_context_)) { + return true; + } + } + return GenerateDump(&g_crash_context_); + } + + // This is a public interface to HandleSignal that allows the client to + // generate a crash dump. This function may run in a compromised context. + bool ExceptionHandler::SimulateSignalDelivery(int sig) { + siginfo_t siginfo = {}; + // Mimic a trusted signal to allow tracing the process (see + // 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/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.h b/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.h +index 711586fec7ddae59..be1880170e2826b0 100644 +--- a/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.h ++++ b/toolkit/crashreporter/breakpad-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/toolkit/crashreporter/breakpad-client/linux/microdump_writer/microdump_writer.cc b/toolkit/crashreporter/breakpad-client/linux/microdump_writer/microdump_writer.cc +index ff20bf36584c876b..a0b90e08fc5f0cff 100644 +--- a/toolkit/crashreporter/breakpad-client/linux/microdump_writer/microdump_writer.cc ++++ b/toolkit/crashreporter/breakpad-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/toolkit/crashreporter/breakpad-client/linux/minidump_writer/minidump_writer.cc b/toolkit/crashreporter/breakpad-client/linux/minidump_writer/minidump_writer.cc +index 0650bb95c179464a..6b5304bcd605ca3a 100644 +--- a/toolkit/crashreporter/breakpad-client/linux/minidump_writer/minidump_writer.cc ++++ b/toolkit/crashreporter/breakpad-client/linux/minidump_writer/minidump_writer.cc +@@ -1247,7 +1247,7 @@ 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 +-- +2.14.1 + |