# 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