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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-15 03:35:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-15 03:35:49 +0000
commitd8bbc7858622b6d9c278469aab701ca0b609cddf (patch)
treeeff41dc61d9f714852212739e6b3738b82a2af87 /js/src/jit/Trampoline.cpp
parentReleasing progress-linux version 125.0.3-1~progress7.99u1. (diff)
downloadfirefox-d8bbc7858622b6d9c278469aab701ca0b609cddf.tar.xz
firefox-d8bbc7858622b6d9c278469aab701ca0b609cddf.zip
Merging upstream version 126.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit/Trampoline.cpp')
-rw-r--r--js/src/jit/Trampoline.cpp36
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);
}