Fix breakpad for arm on arm64

client/linux/minidump_writer/linux_ptrace_dumper.cc

Index: client/linux/minidump_writer/linux_ptrace_dumper.cc
diff --git a/client/linux/minidump_writer/linux_ptrace_dumper.cc b/client/linux/minidump_writer/linux_ptrace_dumper.cc
index 5ea0050de58cb0bf05b7922b331150f900d5571c..c7495e1744916dd1cc6a5b4718f79a02409320c1 100644
--- a/client/linux/minidump_writer/linux_ptrace_dumper.cc
+++ b/client/linux/minidump_writer/linux_ptrace_dumper.cc
@@ -206,12 +206,18 @@ bool LinuxPtraceDumper::GetThreadInfoByIndex(size_t index, ThreadInfo* info) {
     return false;
   }
 
+#if !(defined(__ANDROID__) && defined(__ARM_EABI__))
+  // When running an arm build on an arm64 device, attempting to get the
+  // floating point registers fails. On Android, the floating point registers
+  // aren't written to the cpu context anyway, so just don't get them here.
+  // See http://crbug.com/508324
   void* fp_addr;
   info->GetFloatingPointRegisters(&fp_addr, NULL);
   if (sys_ptrace(PTRACE_GETFPREGS, tid, NULL, fp_addr) == -1) {
     return false;
   }
 #endif
+#endif

[Lei Zhang, 2015/08/04 23:39:34]

nit: add // PTRACE_GETREGSET so it's more obvious whaat the matching #ifdef is.

 
 #if defined(__i386)
 #if !defined(bit_FXSAVE)  // e.g. Clang