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First cut at adding arm64 Linux / Android support to Breakpad.

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This is an initial attempt to add Arm64 (aarch64) support to Breakpad for
Linux / Android platforms.  This CL adds the Arm64 data structures, but does
not yet implement the Android getcontext support or CPUFillFromThreadInfo /
CPUFillFromUContext.

BUG=354405,335641
R=mark@chromium.org

Review URL: https://breakpad.appspot.com/1354002

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1301 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
rmcilroy@chromium.org
2014-04-02 23:12:40 +00:00
parent 46aba5a43a
commit 83b9a28cf9
16 changed files with 118 additions and 19 deletions
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9
src/client/linux/handler/exception_handler.cc
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@@ -398,8 +398,8 @@ bool ExceptionHandler::HandleSignal(int sig, siginfo_t* info, void* uc) {
CrashContext context;
memcpy(&context.siginfo, info, sizeof(siginfo_t));
memcpy(&context.context, uc, sizeof(struct ucontext));
#if !defined(__ARM_EABI__) && !defined(__mips__)
// FP state is not part of user ABI on ARM Linux.
#if !defined(__ARM_EABI__) && !defined(__aarch64__) && !defined(__mips__)
// FP state is not part of user ABI on ARM or ARM64 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;
@@ -608,7 +608,7 @@ bool ExceptionHandler::WriteMinidump() {
}
#endif
#if !defined(__ARM_EABI__) && !defined(__mips__)
#if !defined(__ARM_EABI__) && !defined(__aarch64__) && !defined(__mips__)
// FPU state is not part of ARM EABI ucontext_t.
memcpy(&context.float_state, context.context.uc_mcontext.fpregs,
sizeof(context.float_state));
@@ -627,6 +627,9 @@ bool ExceptionHandler::WriteMinidump() {
#elif defined(__arm__)
context.siginfo.si_addr =
reinterpret_cast<void*>(context.context.uc_mcontext.arm_pc);
#elif defined(__aarch64__)
context.siginfo.si_addr =
reinterpret_cast<void*>(context.context.uc_mcontext.pc);
#elif defined(__mips__)
context.siginfo.si_addr =
reinterpret_cast<void*>(context.context.uc_mcontext.pc);