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Diffstat (limited to 'Source/JavaScriptCore/assembler/SH4Assembler.h')
-rw-r--r--Source/JavaScriptCore/assembler/SH4Assembler.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/assembler/SH4Assembler.h b/Source/JavaScriptCore/assembler/SH4Assembler.h
index d55d393f2..373f469dc 100644
--- a/Source/JavaScriptCore/assembler/SH4Assembler.h
+++ b/Source/JavaScriptCore/assembler/SH4Assembler.h
@@ -1239,6 +1239,12 @@ public:
oneShortOp(RTS_OPCODE, false);
}
+ AssemblerLabel labelIgnoringWatchpoints()
+ {
+ m_buffer.ensureSpaceForAnyInstruction();
+ return m_buffer.label();
+ }
+
AssemblerLabel label()
{
m_buffer.ensureSpaceForAnyInstruction();
@@ -2079,6 +2085,30 @@ public:
static void printBlockInstr(uint16_t* first, unsigned int offset, int nbInstr) {};
#endif
+ static void replaceWithLoad(void* instructionStart)
+ {
+ SH4Word* insPtr = reinterpret_cast<SH4Word*>(instructionStart);
+
+ insPtr += 2; // skip MOV and ADD opcodes
+
+ if (((*insPtr) & 0xf00f) != MOVL_READ_RM_OPCODE) {
+ *insPtr = MOVL_READ_RM_OPCODE | (*insPtr & 0x0ff0);
+ cacheFlush(insPtr, sizeof(SH4Word));
+ }
+ }
+
+ static void replaceWithAddressComputation(void* instructionStart)
+ {
+ SH4Word* insPtr = reinterpret_cast<SH4Word*>(instructionStart);
+
+ insPtr += 2; // skip MOV and ADD opcodes
+
+ if (((*insPtr) & 0xf00f) != MOV_OPCODE) {
+ *insPtr = MOV_OPCODE | (*insPtr & 0x0ff0);
+ cacheFlush(insPtr, sizeof(SH4Word));
+ }
+ }
+
private:
SH4Buffer m_buffer;
int m_claimscratchReg;