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Diffstat (limited to 'Source/JavaScriptCore/assembler/MIPSAssembler.h')
-rw-r--r--Source/JavaScriptCore/assembler/MIPSAssembler.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/assembler/MIPSAssembler.h b/Source/JavaScriptCore/assembler/MIPSAssembler.h
index 7212a182c..65307d950 100644
--- a/Source/JavaScriptCore/assembler/MIPSAssembler.h
+++ b/Source/JavaScriptCore/assembler/MIPSAssembler.h
@@ -616,6 +616,11 @@ public:
// General helpers
+ AssemblerLabel labelIgnoringWatchpoints()
+ {
+ return m_buffer.label();
+ }
+
AssemblerLabel label()
{
return m_buffer.label();
@@ -809,6 +814,28 @@ public:
#endif
}
+ static void replaceWithLoad(void* instructionStart)
+ {
+ MIPSWord* insn = reinterpret_cast<MIPSWord*>(instructionStart);
+ ASSERT((*insn & 0xffe00000) == 0x3c000000); // lui
+ insn++;
+ ASSERT((*insn & 0xfc0007ff) == 0x00000021); // addu
+ insn++;
+ *insn = 0x8c000000 | ((*insn) & 0x3ffffff); // lw
+ cacheFlush(insn, 4);
+ }
+
+ static void replaceWithAddressComputation(void* instructionStart)
+ {
+ MIPSWord* insn = reinterpret_cast<MIPSWord*>(instructionStart);
+ ASSERT((*insn & 0xffe00000) == 0x3c000000); // lui
+ insn++;
+ ASSERT((*insn & 0xfc0007ff) == 0x00000021); // addu
+ insn++;
+ *insn = 0x24000000 | ((*insn) & 0x3ffffff); // addiu
+ cacheFlush(insn, 4);
+ }
+
private:
/* Update each jump in the buffer of newBase. */
void relocateJumps(void* oldBase, void* newBase)