ARMv7 replaceWithJump ASSERT failure after r135330.
https://bugs.webkit.org/show_bug.cgi?id=103146
Reviewed by Filip Pizlo.
On Linux, the 24 bit distance range of jumps sometimes does not
enough to cover all targets addresses. This patch supports jumps
outside of this range using a mov/movt/bx 10 byte long sequence.
* assembler/ARMv7Assembler.h:
(ARMv7Assembler):
(JSC::ARMv7Assembler::revertJumpTo_movT3movtcmpT2):
(JSC::ARMv7Assembler::nopw):
(JSC::ARMv7Assembler::label):
(JSC::ARMv7Assembler::replaceWithJump):
(JSC::ARMv7Assembler::maxJumpReplacementSize):
* assembler/MacroAssemblerARMv7.h:
(JSC::MacroAssemblerARMv7::revertJumpReplacementToBranchPtrWithPatch):
git-svn-id: http://svn.webkit.org/repository/webkit/trunk@146396 268f45cc-cd09-0410-ab3c-d52691b4dbfc
3 files changed
