Reviewers: ulan, jochen,
Description:
A64: In the Simulator, corrupt caller-saved registers after runtime printf
call.
Please review this at https://codereview.chromium.org/203603002/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files (+5, -2 lines):
M src/a64/simulator-a64.cc
Index: src/a64/simulator-a64.cc
diff --git a/src/a64/simulator-a64.cc b/src/a64/simulator-a64.cc
index
3801bf7514f46dfcadf50bb609d31bd32bcdc535..f2e7b67b2f0aae8cd4d7690b134a17f108eea7bd
100644
--- a/src/a64/simulator-a64.cc
+++ b/src/a64/simulator-a64.cc
@@ -3631,9 +3631,12 @@ void Simulator::VisitException(Instruction* instr) {
result = fprintf(stream_, "%s", format);
}
fputs(clr_normal, stream_);
- set_xreg(0, result);
- // TODO(jbramley): Consider clobbering all caller-saved registers
here.
+#ifdef DEBUG
+ CorruptAllCallerSavedCPURegisters();
+#endif
+
+ set_xreg(0, result);
// The printf parameters are inlined in the code, so skip them.
set_pc(pc_->InstructionAtOffset(kPrintfLength));
--
--
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