Title: [188706] branches/jsc-tailcall/Source/_javascript_Core
- Revision
- 188706
- Author
- [email protected]
- Date
- 2015-08-20 14:55:10 -0700 (Thu, 20 Aug 2015)
Log Message
jsc-tailcall: Stack pointer should be moved to protect saving callee saves in LLInt
https://bugs.webkit.org/show_bug.cgi?id=148246
Reviewed by Basile Clement.
Changed preserveCalleeSavesUsedByLLInt() macro to move the stack pointer before saving
any registers.
* llint/LowLevelInterpreter.asm:
Modified Paths
Diff
Modified: branches/jsc-tailcall/Source/_javascript_Core/ChangeLog (188705 => 188706)
--- branches/jsc-tailcall/Source/_javascript_Core/ChangeLog 2015-08-20 21:54:03 UTC (rev 188705)
+++ branches/jsc-tailcall/Source/_javascript_Core/ChangeLog 2015-08-20 21:55:10 UTC (rev 188706)
@@ -1,3 +1,15 @@
+2015-08-20 Michael Saboff <[email protected]>
+
+ jsc-tailcall: Stack pointer should be moved to protect saving callee saves in LLInt
+ https://bugs.webkit.org/show_bug.cgi?id=148246
+
+ Reviewed by Basile Clement.
+
+ Changed preserveCalleeSavesUsedByLLInt() macro to move the stack pointer before saving
+ any registers.
+
+ * llint/LowLevelInterpreter.asm:
+
2015-08-19 Michael Saboff <[email protected]>
jsc-tailcall: Unify Register Offset classes
Modified: branches/jsc-tailcall/Source/_javascript_Core/llint/LowLevelInterpreter.asm (188705 => 188706)
--- branches/jsc-tailcall/Source/_javascript_Core/llint/LowLevelInterpreter.asm 2015-08-20 21:54:03 UTC (rev 188705)
+++ branches/jsc-tailcall/Source/_javascript_Core/llint/LowLevelInterpreter.asm 2015-08-20 21:55:10 UTC (rev 188706)
@@ -504,6 +504,7 @@
end
macro preserveCalleeSavesUsedByLLInt()
+ subp CalleeSaveSpaceStackAligned, sp
if C_LOOP
elsif ARM or ARMv7_TRADITIONAL
elsif ARMv7
@@ -875,7 +876,7 @@
# Stack height check failed - need to call a slow_path.
# Set up temporary stack pointer for call including callee saves
- subp maxFrameExtentForSlowPathCall + CalleeSaveSpaceStackAligned, sp
+ subp maxFrameExtentForSlowPathCall, sp
callSlowPath(_llint_stack_check)
bpeq r1, 0, .stackHeightOKGetCodeBlock
move r1, cfr
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