external/breakpad/UnpackedTarball_breakpad.mk | 1
external/breakpad/ucontext.patch | 194 ++++++++++++++++++++++++++
2 files changed, 195 insertions(+)
New commits:
commit 935f76d0edeb0025dee39f95e1f0bc1a840e316e
Author: Stephan Bergmann <sberg...@redhat.com>
Date: Tue Nov 14 18:21:22 2017 +0100
Use proper ucontext_t in external/breakpad
SUSv4 merely claims that ucontext_t is defined as a structure type (in
<signal.h>), and at least /usr/include/sys/ucontext.h in
glibc-headers-2.26-15.fc27.x86_64 now defines it as
typedef struct ucontext_t { ... } ucontext_t;
instead of as
typedef struct ucontext { ... } ucontext_t;
as was done in older glibc, so referring to it as "struct ucontext" (C/C++)
or
"ucontext" (C++) no longer works.
Change-Id: I3d515a4ce7e5a49d0277136cad2b982bdf799ac5
diff --git a/external/breakpad/UnpackedTarball_breakpad.mk
b/external/breakpad/UnpackedTarball_breakpad.mk
index 108004ddee36..e970bd5ad3f3 100644
--- a/external/breakpad/UnpackedTarball_breakpad.mk
+++ b/external/breakpad/UnpackedTarball_breakpad.mk
@@ -18,6 +18,7 @@ $(eval $(call gb_UnpackedTarball_add_patches,breakpad,\
external/breakpad/breakpad-wshadow.patch.1 \
external/breakpad/breakpad-wshadow2.patch.1 \
external/breakpad/breakpad-stackwalk.patch.1 \
+ external/breakpad/ucontext.patch \
))
ifeq ($(COM_IS_CLANG),TRUE)
diff --git a/external/breakpad/ucontext.patch b/external/breakpad/ucontext.patch
new file mode 100644
index 000000000000..a108ae11cd59
--- /dev/null
+++ b/external/breakpad/ucontext.patch
@@ -0,0 +1,194 @@
+--- src/client/linux/dump_writer_common/ucontext_reader.cc
++++ src/client/linux/dump_writer_common/ucontext_reader.cc
+@@ -40,15 +40,15 @@
+
+ #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 @@
+
+ #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 @@
+
+ #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 @@
+
+ #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 @@
+
+ #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)
{
+ out->context_flags = MD_CONTEXT_MIPS_FULL;
+
+ for (int i = 0; i < MD_CONTEXT_MIPS_GPR_COUNT; ++i)
+--- src/client/linux/dump_writer_common/ucontext_reader.h
++++ src/client/linux/dump_writer_common/ucontext_reader.h
+@@ -41,21 +41,21 @@
+
+ // 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
+ };
+
+--- src/client/linux/handler/exception_handler.cc
++++ src/client/linux/handler/exception_handler.cc
+@@ -439,9 +439,9 @@
+ // 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) {
+@@ -450,9 +450,9 @@
+ }
+ #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));
+@@ -476,7 +476,7 @@
+ // ExceptionHandler::HandleSignal().
+ siginfo.si_code = SI_USER;
+ siginfo.si_pid = getpid();
+- struct ucontext context;
++ ucontext_t context;
+ getcontext(&context);
+ return HandleSignal(sig, &siginfo, &context);
+ }
+--- src/client/linux/handler/exception_handler.h
++++ src/client/linux/handler/exception_handler.h
+@@ -191,7 +191,7 @@
+ 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
+--- src/client/linux/microdump_writer/microdump_writer.cc
++++ src/client/linux/microdump_writer/microdump_writer.cc
+@@ -395,7 +395,7 @@
+
+ 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
+--- src/client/linux/minidump_writer/minidump_writer.cc
++++ src/client/linux/minidump_writer/minidump_writer.cc
+@@ -1238,7 +1238,7 @@
+ 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
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