Adding support for mips.

Support for mips cpu is added to all breakapad targets including unittests.

BUG=none
TEST=unittests

Review URL: https://breakpad.appspot.com/614002



git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1212 4c0a9323-5329-0410-9bdc-e9ce6186880e

1 files changed, 7 insertions, 2 deletions

diff --git a/src/client/linux/handler/exception_handler.cc b/src/client/linux/handler/exception_handler.cc
index 2808fc90..9df720dd 100644
--- a/src/client/linux/handler/exception_handler.cc
+++ b/src/client/linux/handler/exception_handler.cc
@@ -396,8 +396,10 @@ 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__)
+#if !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;
   if (uc_ptr->uc_mcontext.fpregs) {
     memcpy(&context.float_state,
@@ -602,7 +604,7 @@ bool ExceptionHandler::WriteMinidump() {
   }
 #endif
 
-#if !defined(__ARM_EABI__)
+#if !defined(__ARM_EABI__) && !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));
@@ -621,6 +623,9 @@ bool ExceptionHandler::WriteMinidump() {
 #elif defined(__arm__)
   context.siginfo.si_addr =
       reinterpret_cast<void*>(context.context.uc_mcontext.arm_pc);
+#elif defined(__mips__)
+  context.siginfo.si_addr =
+      reinterpret_cast<void*>(context.context.uc_mcontext.pc);
 #else
 #error "This code has not been ported to your platform yet."
 #endif