262 lines
12 KiB
Diff
262 lines
12 KiB
Diff
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Fix compilation with glibc 2.26. Patch found
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at <https://aur.archlinux.org/cgit/aur.git/plain/glibc-2.26-fix.diff?h=firefox-esr>,
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adjusted so that file names match.
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From 6a0b7c8ecf0734ba1bcdccf8e0ee97e721fd5420 Mon Sep 17 00:00:00 2001
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Message-Id: <6a0b7c8ecf0734ba1bcdccf8e0ee97e721fd5420.1505113337.git.jan.steffens@gmail.com>
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From: =?UTF-8?q?Emilio=20Cobos=20=C3=81lvarez?= <emilio@crisal.io>
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Date: Sat, 19 Aug 2017 20:14:25 +0200
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Subject: [PATCH] Fix use of struct ucontext (squash 2 commits)
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Needed for building with glibc 2.26.
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Bug 1385667: Use ucontext_t consistently in breakpad-client. r=ted
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MozReview-Commit-ID: AJhzJdNXP0f
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Bug 1394149: Fix remaining uses of ucontext in breakpad-client. r=ted
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MozReview-Commit-ID: 5tP7fXsI7dQ
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---
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.../linux/dump_writer_common/ucontext_reader.cc | 30 +++++++++++-----------
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.../linux/dump_writer_common/ucontext_reader.h | 10 ++++----
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.../linux/handler/exception_handler.cc | 10 ++++----
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.../linux/handler/exception_handler.h | 2 +-
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.../linux/microdump_writer/microdump_writer.cc | 2 +-
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.../linux/minidump_writer/minidump_writer.cc | 2 +-
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6 files changed, 28 insertions(+), 28 deletions(-)
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diff --git a/toolkit/crashreporter/google-breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc b/toolkit/crashreporter/google-breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc
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index 999960912e459e1b..303c0ebd32b663c4 100644
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--- a/toolkit/crashreporter/google-breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc
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+++ b/toolkit/crashreporter/google-breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc
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@@ -40,15 +40,15 @@ namespace google_breakpad {
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#if defined(__i386__)
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-uintptr_t UContextReader::GetStackPointer(const struct ucontext* uc) {
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+uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) {
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return uc->uc_mcontext.gregs[REG_ESP];
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}
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-uintptr_t UContextReader::GetInstructionPointer(const struct ucontext* uc) {
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+uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) {
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return uc->uc_mcontext.gregs[REG_EIP];
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}
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-void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc,
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+void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext_t *uc,
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const struct _libc_fpstate* fp) {
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const greg_t* regs = uc->uc_mcontext.gregs;
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@@ -88,15 +88,15 @@ void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc,
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#elif defined(__x86_64)
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-uintptr_t UContextReader::GetStackPointer(const struct ucontext* uc) {
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+uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) {
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return uc->uc_mcontext.gregs[REG_RSP];
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}
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-uintptr_t UContextReader::GetInstructionPointer(const struct ucontext* uc) {
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+uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) {
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return uc->uc_mcontext.gregs[REG_RIP];
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}
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-void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc,
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+void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext_t *uc,
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const struct _libc_fpstate* fpregs) {
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const greg_t* regs = uc->uc_mcontext.gregs;
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@@ -145,15 +145,15 @@ void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc,
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#elif defined(__ARM_EABI__)
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-uintptr_t UContextReader::GetStackPointer(const struct ucontext* uc) {
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+uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) {
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return uc->uc_mcontext.arm_sp;
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}
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-uintptr_t UContextReader::GetInstructionPointer(const struct ucontext* uc) {
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+uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) {
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return uc->uc_mcontext.arm_pc;
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}
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-void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc) {
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+void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext_t *uc) {
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out->context_flags = MD_CONTEXT_ARM_FULL;
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out->iregs[0] = uc->uc_mcontext.arm_r0;
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@@ -184,41 +184,41 @@ void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc) {
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#elif defined(__aarch64__)
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-uintptr_t UContextReader::GetStackPointer(const struct ucontext* uc) {
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+uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) {
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return uc->uc_mcontext.sp;
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}
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-uintptr_t UContextReader::GetInstructionPointer(const struct ucontext* uc) {
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+uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) {
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return uc->uc_mcontext.pc;
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}
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-void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc,
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+void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext_t *uc,
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const struct fpsimd_context* fpregs) {
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out->context_flags = MD_CONTEXT_ARM64_FULL;
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out->cpsr = static_cast<uint32_t>(uc->uc_mcontext.pstate);
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for (int i = 0; i < MD_CONTEXT_ARM64_REG_SP; ++i)
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out->iregs[i] = uc->uc_mcontext.regs[i];
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out->iregs[MD_CONTEXT_ARM64_REG_SP] = uc->uc_mcontext.sp;
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out->iregs[MD_CONTEXT_ARM64_REG_PC] = uc->uc_mcontext.pc;
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out->float_save.fpsr = fpregs->fpsr;
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out->float_save.fpcr = fpregs->fpcr;
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my_memcpy(&out->float_save.regs, &fpregs->vregs,
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MD_FLOATINGSAVEAREA_ARM64_FPR_COUNT * 16);
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}
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#elif defined(__mips__)
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-uintptr_t UContextReader::GetStackPointer(const struct ucontext* uc) {
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+uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) {
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return uc->uc_mcontext.gregs[MD_CONTEXT_MIPS_REG_SP];
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}
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-uintptr_t UContextReader::GetInstructionPointer(const struct ucontext* uc) {
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+uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) {
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return uc->uc_mcontext.pc;
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}
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-void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc) {
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+void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext_t *uc) {
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#if _MIPS_SIM == _ABI64
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out->context_flags = MD_CONTEXT_MIPS64_FULL;
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#elif _MIPS_SIM == _ABIO32
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diff --git a/toolkit/crashreporter/google-breakpad/src/client/linux/dump_writer_common/ucontext_reader.h b/toolkit/crashreporter/google-breakpad/src/client/linux/dump_writer_common/ucontext_reader.h
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index c533e28ba7441e83..039752a2dfb6e589 100644
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--- a/toolkit/crashreporter/google-breakpad/src/client/linux/dump_writer_common/ucontext_reader.h
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+++ b/toolkit/crashreporter/google-breakpad/src/client/linux/dump_writer_common/ucontext_reader.h
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@@ -41,21 +41,21 @@ namespace google_breakpad {
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// Wraps platform-dependent implementations of accessors to ucontext structs.
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struct UContextReader {
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- static uintptr_t GetStackPointer(const struct ucontext* uc);
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+ static uintptr_t GetStackPointer(const ucontext_t* uc);
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- static uintptr_t GetInstructionPointer(const struct ucontext* uc);
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+ static uintptr_t GetInstructionPointer(const ucontext_t* uc);
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// Juggle a arch-specific ucontext into a minidump format
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// out: the minidump structure
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// info: the collection of register structures.
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#if defined(__i386__) || defined(__x86_64)
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- static void FillCPUContext(RawContextCPU *out, const ucontext *uc,
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+ static void FillCPUContext(RawContextCPU *out, const ucontext_t *uc,
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const struct _libc_fpstate* fp);
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#elif defined(__aarch64__)
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- static void FillCPUContext(RawContextCPU *out, const ucontext *uc,
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+ static void FillCPUContext(RawContextCPU *out, const ucontext_t *uc,
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const struct fpsimd_context* fpregs);
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#else
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- static void FillCPUContext(RawContextCPU *out, const ucontext *uc);
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+ static void FillCPUContext(RawContextCPU *out, const ucontext_t *uc);
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#endif
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};
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diff --git a/toolkit/crashreporter/google-breakpad/src/client/linux/handler/exception_handler.cc b/toolkit/crashreporter/google-breakpad/src/client/linux/handler/exception_handler.cc
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index 71a51a763938e39d..12df9bc96ec45fea 100644
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--- a/toolkit/crashreporter/google-breakpad/src/client/linux/handler/exception_handler.cc
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+++ b/toolkit/crashreporter/google-breakpad/src/client/linux/handler/exception_handler.cc
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@@ -439,44 +439,44 @@ bool ExceptionHandler::HandleSignal(int sig, siginfo_t* info, void* uc) {
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// Fill in all the holes in the struct to make Valgrind happy.
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memset(&g_crash_context_, 0, sizeof(g_crash_context_));
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memcpy(&g_crash_context_.siginfo, info, sizeof(siginfo_t));
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- memcpy(&g_crash_context_.context, uc, sizeof(struct ucontext));
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+ memcpy(&g_crash_context_.context, uc, sizeof(ucontext_t));
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#if defined(__aarch64__)
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- struct ucontext* uc_ptr = (struct ucontext*)uc;
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+ ucontext_t* uc_ptr = (ucontext_t*)uc;
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struct fpsimd_context* fp_ptr =
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(struct fpsimd_context*)&uc_ptr->uc_mcontext.__reserved;
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if (fp_ptr->head.magic == FPSIMD_MAGIC) {
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memcpy(&g_crash_context_.float_state, fp_ptr,
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sizeof(g_crash_context_.float_state));
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}
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#elif !defined(__ARM_EABI__) && !defined(__mips__)
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// FP state is not part of user ABI on ARM Linux.
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- // In case of MIPS Linux FP state is already part of struct ucontext
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+ // In case of MIPS Linux FP state is already part of ucontext_t
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// and 'float_state' is not a member of CrashContext.
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- struct ucontext* uc_ptr = (struct ucontext*)uc;
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+ ucontext_t* uc_ptr = (ucontext_t*)uc;
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if (uc_ptr->uc_mcontext.fpregs) {
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memcpy(&g_crash_context_.float_state, uc_ptr->uc_mcontext.fpregs,
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sizeof(g_crash_context_.float_state));
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}
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#endif
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g_crash_context_.tid = syscall(__NR_gettid);
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if (crash_handler_ != NULL) {
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if (crash_handler_(&g_crash_context_, sizeof(g_crash_context_),
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callback_context_)) {
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return true;
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}
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}
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return GenerateDump(&g_crash_context_);
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}
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// This is a public interface to HandleSignal that allows the client to
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// generate a crash dump. This function may run in a compromised context.
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bool ExceptionHandler::SimulateSignalDelivery(int sig) {
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siginfo_t siginfo = {};
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// Mimic a trusted signal to allow tracing the process (see
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// ExceptionHandler::HandleSignal().
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siginfo.si_code = SI_USER;
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siginfo.si_pid = getpid();
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- struct ucontext context;
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+ ucontext_t context;
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getcontext(&context);
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return HandleSignal(sig, &siginfo, &context);
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}
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diff --git a/toolkit/crashreporter/google-breakpad/src/client/linux/handler/exception_handler.h b/toolkit/crashreporter/google-breakpad/src/client/linux/handler/exception_handler.h
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index 711586fec7ddae59..be1880170e2826b0 100644
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--- a/toolkit/crashreporter/google-breakpad/src/client/linux/handler/exception_handler.h
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+++ b/toolkit/crashreporter/google-breakpad/src/client/linux/handler/exception_handler.h
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@@ -191,7 +191,7 @@ class ExceptionHandler {
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struct CrashContext {
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siginfo_t siginfo;
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pid_t tid; // the crashing thread.
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- struct ucontext context;
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+ ucontext_t context;
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#if !defined(__ARM_EABI__) && !defined(__mips__)
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// #ifdef this out because FP state is not part of user ABI for Linux ARM.
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// In case of MIPS Linux FP state is already part of struct
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diff --git a/toolkit/crashreporter/google-breakpad/src/client/linux/microdump_writer/microdump_writer.cc b/toolkit/crashreporter/google-breakpad/src/client/linux/microdump_writer/microdump_writer.cc
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index ff20bf36584c876b..a0b90e08fc5f0cff 100644
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--- a/toolkit/crashreporter/google-breakpad/src/client/linux/microdump_writer/microdump_writer.cc
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+++ b/toolkit/crashreporter/google-breakpad/src/client/linux/microdump_writer/microdump_writer.cc
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@@ -571,7 +571,7 @@ class MicrodumpWriter {
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void* Alloc(unsigned bytes) { return dumper_->allocator()->Alloc(bytes); }
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- const struct ucontext* const ucontext_;
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+ const ucontext_t* const ucontext_;
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#if !defined(__ARM_EABI__) && !defined(__mips__)
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const google_breakpad::fpstate_t* const float_state_;
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#endif
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diff --git a/toolkit/crashreporter/google-breakpad/src/client/linux/minidump_writer/minidump_writer.cc b/toolkit/crashreporter/google-breakpad/src/client/linux/minidump_writer/minidump_writer.cc
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index 0650bb95c179464a..6b5304bcd605ca3a 100644
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--- a/toolkit/crashreporter/google-breakpad/src/client/linux/minidump_writer/minidump_writer.cc
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+++ b/toolkit/crashreporter/google-breakpad/src/client/linux/minidump_writer/minidump_writer.cc
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@@ -1247,7 +1247,7 @@ class MinidumpWriter {
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const int fd_; // File descriptor where the minidum should be written.
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const char* path_; // Path to the file where the minidum should be written.
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- const struct ucontext* const ucontext_; // also from the signal handler
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+ const ucontext_t* const ucontext_; // also from the signal handler
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#if !defined(__ARM_EABI__) && !defined(__mips__)
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const google_breakpad::fpstate_t* const float_state_; // ditto
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#endif
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--
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2.14.1
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