diff options
Diffstat (limited to 'compiler-rt/lib/xray/xray_mips.cpp')
| -rw-r--r-- | compiler-rt/lib/xray/xray_mips.cpp | 45 |
1 files changed, 23 insertions, 22 deletions
diff --git a/compiler-rt/lib/xray/xray_mips.cpp b/compiler-rt/lib/xray/xray_mips.cpp index 26fc50374471..dc9e837a555d 100644 --- a/compiler-rt/lib/xray/xray_mips.cpp +++ b/compiler-rt/lib/xray/xray_mips.cpp @@ -93,6 +93,7 @@ inline static bool patchSled(const bool Enable, const uint32_t FuncId, // When |Enable|==false, we set back the first instruction in the sled to be // B #44 + uint32_t *Address = reinterpret_cast<uint32_t *>(Sled.address()); if (Enable) { uint32_t LoTracingHookAddr = reinterpret_cast<int32_t>(TracingHook) & 0xffff; @@ -100,34 +101,34 @@ inline static bool patchSled(const bool Enable, const uint32_t FuncId, (reinterpret_cast<int32_t>(TracingHook) >> 16) & 0xffff; uint32_t LoFunctionID = FuncId & 0xffff; uint32_t HiFunctionID = (FuncId >> 16) & 0xffff; - *reinterpret_cast<uint32_t *>(Sled.Address + 8) = encodeInstruction( - PatchOpcodes::PO_SW, RegNum::RN_SP, RegNum::RN_RA, 0x4); - *reinterpret_cast<uint32_t *>(Sled.Address + 12) = encodeInstruction( - PatchOpcodes::PO_SW, RegNum::RN_SP, RegNum::RN_T9, 0x0); - *reinterpret_cast<uint32_t *>(Sled.Address + 16) = encodeInstruction( - PatchOpcodes::PO_LUI, 0x0, RegNum::RN_T9, HiTracingHookAddr); - *reinterpret_cast<uint32_t *>(Sled.Address + 20) = encodeInstruction( - PatchOpcodes::PO_ORI, RegNum::RN_T9, RegNum::RN_T9, LoTracingHookAddr); - *reinterpret_cast<uint32_t *>(Sled.Address + 24) = encodeInstruction( - PatchOpcodes::PO_LUI, 0x0, RegNum::RN_T0, HiFunctionID); - *reinterpret_cast<uint32_t *>(Sled.Address + 28) = encodeSpecialInstruction( - PatchOpcodes::PO_JALR, RegNum::RN_T9, 0x0, RegNum::RN_RA, 0X0); - *reinterpret_cast<uint32_t *>(Sled.Address + 32) = encodeInstruction( - PatchOpcodes::PO_ORI, RegNum::RN_T0, RegNum::RN_T0, LoFunctionID); - *reinterpret_cast<uint32_t *>(Sled.Address + 36) = encodeInstruction( - PatchOpcodes::PO_LW, RegNum::RN_SP, RegNum::RN_T9, 0x0); - *reinterpret_cast<uint32_t *>(Sled.Address + 40) = encodeInstruction( - PatchOpcodes::PO_LW, RegNum::RN_SP, RegNum::RN_RA, 0x4); - *reinterpret_cast<uint32_t *>(Sled.Address + 44) = encodeInstruction( - PatchOpcodes::PO_ADDIU, RegNum::RN_SP, RegNum::RN_SP, 0x8); + Address[2] = encodeInstruction(PatchOpcodes::PO_SW, RegNum::RN_SP, + RegNum::RN_RA, 0x4); + Address[3] = encodeInstruction(PatchOpcodes::PO_SW, RegNum::RN_SP, + RegNum::RN_T9, 0x0); + Address[4] = encodeInstruction(PatchOpcodes::PO_LUI, 0x0, RegNum::RN_T9, + HiTracingHookAddr); + Address[5] = encodeInstruction(PatchOpcodes::PO_ORI, RegNum::RN_T9, + RegNum::RN_T9, LoTracingHookAddr); + Address[6] = encodeInstruction(PatchOpcodes::PO_LUI, 0x0, RegNum::RN_T0, + HiFunctionID); + Address[7] = encodeSpecialInstruction(PatchOpcodes::PO_JALR, RegNum::RN_T9, + 0x0, RegNum::RN_RA, 0X0); + Address[8] = encodeInstruction(PatchOpcodes::PO_ORI, RegNum::RN_T0, + RegNum::RN_T0, LoFunctionID); + Address[9] = encodeInstruction(PatchOpcodes::PO_LW, RegNum::RN_SP, + RegNum::RN_T9, 0x0); + Address[10] = encodeInstruction(PatchOpcodes::PO_LW, RegNum::RN_SP, + RegNum::RN_RA, 0x4); + Address[11] = encodeInstruction(PatchOpcodes::PO_ADDIU, RegNum::RN_SP, + RegNum::RN_SP, 0x8); uint32_t CreateStackSpaceInstr = encodeInstruction( PatchOpcodes::PO_ADDIU, RegNum::RN_SP, RegNum::RN_SP, 0xFFF8); std::atomic_store_explicit( - reinterpret_cast<std::atomic<uint32_t> *>(Sled.Address), + reinterpret_cast<std::atomic<uint32_t> *>(Address), uint32_t(CreateStackSpaceInstr), std::memory_order_release); } else { std::atomic_store_explicit( - reinterpret_cast<std::atomic<uint32_t> *>(Sled.Address), + reinterpret_cast<std::atomic<uint32_t> *>(Address), uint32_t(PatchOpcodes::PO_B44), std::memory_order_release); } return true; |