Title: [101693] trunk/Source/_javascript_Core
- Revision
- 101693
- Author
- fpi...@apple.com
- Date
- 2011-12-01 11:45:29 -0800 (Thu, 01 Dec 2011)
Log Message
ARMv7 only allows for one-shot patching of compact offsets, while the
JIT expects to be able to repatch
https://bugs.webkit.org/show_bug.cgi?id=73548
Reviewed by Oliver Hunt.
* assembler/ARMv7Assembler.h:
(JSC::ARMv7Assembler::setUInt7ForLoad):
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (101692 => 101693)
--- trunk/Source/_javascript_Core/ChangeLog 2011-12-01 19:31:51 UTC (rev 101692)
+++ trunk/Source/_javascript_Core/ChangeLog 2011-12-01 19:45:29 UTC (rev 101693)
@@ -1,3 +1,14 @@
+2011-12-01 Filip Pizlo <fpi...@apple.com>
+
+ ARMv7 only allows for one-shot patching of compact offsets, while the
+ JIT expects to be able to repatch
+ https://bugs.webkit.org/show_bug.cgi?id=73548
+
+ Reviewed by Oliver Hunt.
+
+ * assembler/ARMv7Assembler.h:
+ (JSC::ARMv7Assembler::setUInt7ForLoad):
+
2011-11-30 Benjamin Poulain <benja...@webkit.org>
URLs are encoded in UTF-8, then decoded as if they are Latin1
Modified: trunk/Source/_javascript_Core/assembler/ARMv7Assembler.h (101692 => 101693)
--- trunk/Source/_javascript_Core/assembler/ARMv7Assembler.h 2011-12-01 19:31:51 UTC (rev 101692)
+++ trunk/Source/_javascript_Core/assembler/ARMv7Assembler.h 2011-12-01 19:45:29 UTC (rev 101693)
@@ -2035,6 +2035,7 @@
ASSERT(imm.isValid());
ASSERT(imm.isUInt7());
uint16_t* location = reinterpret_cast<uint16_t*>(code);
+ location[0] &= ~((static_cast<uint16_t>(0x7f) >> 2) << 6);
location[0] |= (imm.getUInt7() >> 2) << 6;
ExecutableAllocator::cacheFlush(location, sizeof(uint16_t));
}
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