Increase ARM/MIPS simulators stack safety margin to 1024 bytes

Based on r9686 (10e1ea5).

BUG=
TEST=mozilla regress-355497.js

Review URL: https://chromiumcodereview.appspot.com/9309030
Patch from Daniel Kalmar <kalmard@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10722 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

diff --git a/src/arm/simulator-arm.cc b/src/arm/simulator-arm.cc
index 1ae172c..629c209 100644 (file)
--- a/src/arm/simulator-arm.cc
+++ b/src/arm/simulator-arm.cc
@@ -1277,9 +1277,9 @@ void Simulator::WriteDW(int32_t addr, int32_t value1, int32_t value2) {
 
 // Returns the limit of the stack area to enable checking for stack overflows.
 uintptr_t Simulator::StackLimit() const {
-  // Leave a safety margin of 512 bytes to prevent overrunning the stack when
+  // Leave a safety margin of 1024 bytes to prevent overrunning the stack when
   // pushing values.
-  return reinterpret_cast<uintptr_t>(stack_) + 512;
+  return reinterpret_cast<uintptr_t>(stack_) + 1024;
 }
 
 

diff --git a/src/mips/simulator-mips.cc b/src/mips/simulator-mips.cc
index a158f04..f31ce7e 100644 (file)
--- a/src/mips/simulator-mips.cc
+++ b/src/mips/simulator-mips.cc
@@ -1369,9 +1369,9 @@ void Simulator::WriteB(int32_t addr, int8_t value) {
 
 // Returns the limit of the stack area to enable checking for stack overflows.
 uintptr_t Simulator::StackLimit() const {
-  // Leave a safety margin of 512 bytes to prevent overrunning the stack when
+  // Leave a safety margin of 1024 bytes to prevent overrunning the stack when
   // pushing values.
-  return reinterpret_cast<uintptr_t>(stack_) + 512;
+  return reinterpret_cast<uintptr_t>(stack_) + 1024;
 }