void-packages/srcpkgs/qt5-webkit/patches/ppc-llint.patch

33 lines
1.3 KiB
Diff

This fixes JavaScriptCore on big endian systems (mainly ppc).
Without the patch, attempting to run any JS results in
a crash as the generated code was endian specific.
--- Source/JavaScriptCore/llint/LowLevelInterpreter32_64.asm
+++ Source/JavaScriptCore/llint/LowLevelInterpreter32_64.asm
@@ -1500,13 +1500,13 @@ _llint_op_put_by_id:
loadp StructureChain::m_vector[t3], t3
assert(macro (ok) btpnz t3, ok end)
- loadp Structure::m_prototype[t2], t2
+ loadp Structure::m_prototype + PayloadOffset[t2], t2
btpz t2, .opPutByIdTransitionChainDone
.opPutByIdTransitionChainLoop:
loadp [t3], t1
bpneq t1, JSCell::m_structureID[t2], .opPutByIdSlow
addp 4, t3
- loadp Structure::m_prototype[t1], t2
+ loadp Structure::m_prototype + PayloadOffset[t1], t2
btpnz t2, .opPutByIdTransitionChainLoop
.opPutByIdTransitionChainDone:
@@ -1984,7 +1984,7 @@ _llint_throw_from_slow_path_trampoline:
# When throwing from the interpreter (i.e. throwing from LLIntSlowPaths), so
# the throw target is not necessarily interpreted code, we come to here.
# This essentially emulates the JIT's throwing protocol.
- loadp Callee[cfr], t1
+ loadp Callee + PayloadOffset[cfr], t1
andp MarkedBlockMask, t1
loadp MarkedBlock::m_weakSet + WeakSet::m_vm[t1], t1
copyCalleeSavesToVMCalleeSavesBuffer(t1, t2)