--- a/mozilla-ucontext.patch Mon Nov 06 07:44:08 2017 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,313 +0,0 @@
-# HG changeset patch
-# User Wolfgang Rosenauer <wr@rosenauer.org>
-# Parent f6b8a48d89d77c7a3eb13fef234c618943306c2b
-Replace struct ucontext with ucontext_t
-
-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
---- a/toolkit/crashreporter/breakpad-client/linux/dump_writer_common/ucontext_reader.cc
-+++ b/toolkit/crashreporter/breakpad-client/linux/dump_writer_common/ucontext_reader.cc
-@@ -35,25 +35,25 @@
- namespace google_breakpad {
-
- // Minidump defines register structures which are different from the raw
- // structures which we get from the kernel. These are platform specific
- // functions to juggle the ucontext and user structures into minidump format.
-
- #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;
-
- out->context_flags = MD_CONTEXT_X86_FULL |
- MD_CONTEXT_X86_FLOATING_POINT;
-
- out->gs = regs[REG_GS];
- out->fs = regs[REG_FS];
-@@ -83,25 +83,25 @@ void UContextReader::FillCPUContext(RawC
- out->float_save.data_selector = fp->datasel;
-
- // 8 registers * 10 bytes per register.
- my_memcpy(out->float_save.register_area, fp->_st, 10 * 8);
- }
-
- #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;
-
- out->context_flags = MD_CONTEXT_AMD64_FULL;
-
- out->cs = regs[REG_CSGSFS] & 0xffff;
-
- out->fs = (regs[REG_CSGSFS] >> 32) & 0xffff;
-@@ -140,25 +140,25 @@ void UContextReader::FillCPUContext(RawC
- out->flt_save.mx_csr = fpregs->mxcsr;
- out->flt_save.mx_csr_mask = fpregs->mxcr_mask;
- my_memcpy(&out->flt_save.float_registers, &fpregs->_st, 8 * 16);
- my_memcpy(&out->flt_save.xmm_registers, &fpregs->_xmm, 16 * 16);
- }
-
- #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;
- out->iregs[1] = uc->uc_mcontext.arm_r1;
- out->iregs[2] = uc->uc_mcontext.arm_r2;
- out->iregs[3] = uc->uc_mcontext.arm_r3;
- out->iregs[4] = uc->uc_mcontext.arm_r4;
- out->iregs[5] = uc->uc_mcontext.arm_r5;
-@@ -179,25 +179,25 @@ void UContextReader::FillCPUContext(RawC
- // TODO: fix this after fixing ExceptionHandler
- out->float_save.fpscr = 0;
- my_memset(&out->float_save.regs, 0, sizeof(out->float_save.regs));
- my_memset(&out->float_save.extra, 0, sizeof(out->float_save.extra));
- }
-
- #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;
-@@ -205,25 +205,25 @@ void UContextReader::FillCPUContext(RawC
- 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
- out->context_flags = MD_CONTEXT_MIPS_FULL;
- #else
- #error "This mips ABI is currently not supported (n32)"
- #endif
-
-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
---- a/toolkit/crashreporter/breakpad-client/linux/dump_writer_common/ucontext_reader.h
-+++ b/toolkit/crashreporter/breakpad-client/linux/dump_writer_common/ucontext_reader.h
-@@ -36,29 +36,29 @@
- #include "linux/dump_writer_common/raw_context_cpu.h"
- #include "common/memory.h"
- #include "google_breakpad/common/minidump_format.h"
-
- 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
- };
-
- } // namespace google_breakpad
-
- #endif // CLIENT_LINUX_DUMP_WRITER_COMMON_UCONTEXT_READER_H
-diff --git a/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.cc b/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.cc
---- a/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.cc
-+++ b/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.cc
-@@ -434,30 +434,30 @@ bool ExceptionHandler::HandleSignal(int
- info->si_code == SI_TKILL;
- if (signal_trusted || (signal_pid_trusted && info->si_pid == getpid())) {
- sys_prctl(PR_SET_DUMPABLE, 1, 0, 0, 0);
- }
-
- // 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
- // 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_),
-@@ -471,17 +471,17 @@ bool ExceptionHandler::HandleSignal(int
- // 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);
- }
-
- // This function may run in a compromised context: see the top of the file.
- bool ExceptionHandler::GenerateDump(CrashContext *context) {
- if (IsOutOfProcess())
- return crash_generation_client_->RequestDump(context, sizeof(*context));
-diff --git a/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.h b/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.h
---- a/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.h
-+++ b/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.h
-@@ -186,17 +186,17 @@ class ExceptionHandler {
- MinidumpCallback callback,
- void* callback_context);
-
- // This structure is passed to minidump_writer.h:WriteMinidump via an opaque
- // blob. It shouldn't be needed in any user code.
- 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
- // ucontext so 'float_state' is not required.
- fpstate_t float_state;
- #endif
- };
-
-diff --git a/toolkit/crashreporter/breakpad-client/linux/microdump_writer/microdump_writer.cc b/toolkit/crashreporter/breakpad-client/linux/microdump_writer/microdump_writer.cc
---- a/toolkit/crashreporter/breakpad-client/linux/microdump_writer/microdump_writer.cc
-+++ b/toolkit/crashreporter/breakpad-client/linux/microdump_writer/microdump_writer.cc
-@@ -566,17 +566,17 @@ class MicrodumpWriter {
- ++iter) {
- DumpModule(iter->first, false, 0, iter->second);
- }
- return true;
- }
-
- 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
- LinuxDumper* dumper_;
- const MappingList& mapping_list_;
- const MicrodumpExtraInfo microdump_extra_info_;
- char* log_line_;
- };
-diff --git a/toolkit/crashreporter/breakpad-client/linux/minidump_writer/minidump_writer.cc b/toolkit/crashreporter/breakpad-client/linux/minidump_writer/minidump_writer.cc
---- a/toolkit/crashreporter/breakpad-client/linux/minidump_writer/minidump_writer.cc
-+++ b/toolkit/crashreporter/breakpad-client/linux/minidump_writer/minidump_writer.cc
-@@ -1242,17 +1242,17 @@ class MinidumpWriter {
- return false;
- return WriteFile(result, buf);
- }
-
- // Only one of the 2 member variables below should be set to a valid value.
- 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
- LinuxDumper* dumper_;
- MinidumpFileWriter minidump_writer_;
- off_t minidump_size_limit_;
- MDLocationDescriptor crashing_thread_context_;
- // Blocks of memory written to the dump. These are all currently