From 40a355a42d4a9444dc753c04c6608dade2f06a23 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 03:13:27 +0200 Subject: Adding upstream version 125.0.1. Signed-off-by: Daniel Baumann --- js/src/wasm/WasmCode.cpp | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'js/src/wasm/WasmCode.cpp') diff --git a/js/src/wasm/WasmCode.cpp b/js/src/wasm/WasmCode.cpp index b7aaa1869c..7fe2562ab6 100644 --- a/js/src/wasm/WasmCode.cpp +++ b/js/src/wasm/WasmCode.cpp @@ -1085,6 +1085,23 @@ bool Code::lookupTrap(void* pc, Trap* trapOut, BytecodeOffset* bytecode) const { return false; } +bool Code::lookupFunctionTier(const CodeRange* codeRange, Tier* tier) const { + // This logic only works if the codeRange is a function, and therefore only + // exists in metadata and not a lazy stub tier. Generalizing to access lazy + // stubs would require taking a lock, which is undesirable for the profiler. + MOZ_ASSERT(codeRange->isFunction()); + for (Tier t : tiers()) { + const CodeTier& code = codeTier(t); + const MetadataTier& metadata = code.metadata(); + if (codeRange >= metadata.codeRanges.begin() && + codeRange < metadata.codeRanges.end()) { + *tier = t; + return true; + } + } + return false; +} + struct UnwindInfoPCOffset { const CodeRangeUnwindInfoVector& info; explicit UnwindInfoPCOffset(const CodeRangeUnwindInfoVector& info) -- cgit v1.2.3