[mips64] Support for mips n64

src/client/linux/dump_writer_common/ucontext_reader.cc

 // Copyright (c) 2014, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
@@ skipping 201 matching lines @@
 
 uintptr_t UContextReader::GetStackPointer(const struct ucontext* uc) {
   return uc->uc_mcontext.gregs[MD_CONTEXT_MIPS_REG_SP];
 }
 
 uintptr_t UContextReader::GetInstructionPointer(const struct ucontext* uc) {
   return uc->uc_mcontext.pc;
 }
 
 void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *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
 
   for (int i = 0; i < MD_CONTEXT_MIPS_GPR_COUNT; ++i)
     out->iregs[i] = uc->uc_mcontext.gregs[i];
 
   out->mdhi = uc->uc_mcontext.mdhi;
   out->mdlo = uc->uc_mcontext.mdlo;
 
   out->hi[0] = uc->uc_mcontext.hi1;
   out->hi[1] = uc->uc_mcontext.hi2;
   out->hi[2] = uc->uc_mcontext.hi3;
@@ skipping 11 matching lines @@
     out->float_save.regs[i] = uc->uc_mcontext.fpregs.fp_r.fp_dregs[i];
 
   out->float_save.fpcsr = uc->uc_mcontext.fpc_csr;
 #if _MIPS_SIM == _ABIO32
   out->float_save.fir = uc->uc_mcontext.fpc_eir;  // Unused.
 #endif
 }
 #endif
 
 }  // namespace google_breakpad