diff options
Diffstat (limited to 'js/src/jit/Trampoline.cpp')
| -rw-r--r-- | js/src/jit/Trampoline.cpp | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/js/src/jit/Trampoline.cpp b/js/src/jit/Trampoline.cpp index 85661784a7..e6d0cd31c9 100644 --- a/js/src/jit/Trampoline.cpp +++ b/js/src/jit/Trampoline.cpp @@ -96,18 +96,13 @@ void JitRuntime::generateProfilerExitFrameTailStub(MacroAssembler& masm, // | // ^--- IonICCall <---- Ion // | - // ^--- Arguments Rectifier - // | ^ - // | | - // | ^--- Ion - // | | - // | ^--- Baseline Stub <---- Baseline - // | | - // | ^--- Entry Frame (CppToJSJit or WasmToJSJit) + // ^--- Entry Frame (BaselineInterpreter) (unwrapped) // | - // ^--- Entry Frame (CppToJSJit or WasmToJSJit) + // ^--- Arguments Rectifier (unwrapped) + // | + // ^--- Trampoline Native (unwrapped) // | - // ^--- Entry Frame (BaselineInterpreter) + // ^--- Entry Frame (CppToJSJit or WasmToJSJit) // // NOTE: Keep this in sync with JSJitProfilingFrameIterator::moveToNextFrame! @@ -153,6 +148,7 @@ void JitRuntime::generateProfilerExitFrameTailStub(MacroAssembler& masm, Label handle_BaselineOrIonJS; Label handle_BaselineStub; Label handle_Rectifier; + Label handle_TrampolineNative; Label handle_BaselineInterpreterEntry; Label handle_IonICCall; Label handle_Entry; @@ -176,6 +172,8 @@ void JitRuntime::generateProfilerExitFrameTailStub(MacroAssembler& masm, &handle_BaselineOrIonJS); masm.branch32(Assembler::Equal, scratch, Imm32(FrameType::IonICCall), &handle_IonICCall); + masm.branch32(Assembler::Equal, scratch, Imm32(FrameType::TrampolineNative), + &handle_TrampolineNative); masm.branch32(Assembler::Equal, scratch, Imm32(FrameType::WasmToJSJit), &handle_Entry); @@ -237,9 +235,21 @@ void JitRuntime::generateProfilerExitFrameTailStub(MacroAssembler& masm, // There can be multiple previous frame types so just "unwrap" the arguments // rectifier frame and try again. masm.loadPtr(Address(fpScratch, CallerFPOffset), fpScratch); - emitAssertPrevFrameType(fpScratch, scratch, - {FrameType::IonJS, FrameType::BaselineStub, - FrameType::CppToJSJit, FrameType::WasmToJSJit}); + emitAssertPrevFrameType( + fpScratch, scratch, + {FrameType::IonJS, FrameType::BaselineStub, FrameType::TrampolineNative, + FrameType::CppToJSJit, FrameType::WasmToJSJit}); + masm.jump(&again); + } + + masm.bind(&handle_TrampolineNative); + { + // Unwrap this frame, similar to arguments rectifier frames. + masm.loadPtr(Address(fpScratch, CallerFPOffset), fpScratch); + emitAssertPrevFrameType( + fpScratch, scratch, + {FrameType::IonJS, FrameType::BaselineStub, FrameType::Rectifier, + FrameType::CppToJSJit, FrameType::WasmToJSJit}); masm.jump(&again); } |