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-rw-r--r--js/src/wasm/WasmStubs.cpp15
1 files changed, 9 insertions, 6 deletions
diff --git a/js/src/wasm/WasmStubs.cpp b/js/src/wasm/WasmStubs.cpp
index 83a18c9992..dfaa898744 100644
--- a/js/src/wasm/WasmStubs.cpp
+++ b/js/src/wasm/WasmStubs.cpp
@@ -1633,9 +1633,10 @@ static void FillArgumentArrayForInterpExit(MacroAssembler& masm,
const FuncType& funcType,
unsigned argOffset,
Register scratch) {
- // This is FrameWithInstances::sizeOf() - ShadowStackSpace because the latter
+ // This is `sizeof(FrameWithInstances) - ShadowStackSpace` because the latter
// is accounted for by the ABIArgIter.
- const unsigned offsetFromFPToCallerStackArgs = sizeof(FrameWithInstances);
+ const unsigned offsetFromFPToCallerStackArgs =
+ sizeof(FrameWithInstances) - jit::ShadowStackSpace;
GenPrintf(DebugChannel::Import, masm, "wasm-import[%u]; arguments ",
funcImportIndex);
@@ -1729,9 +1730,10 @@ static void FillArgumentArrayForJitExit(MacroAssembler& masm, Register instance,
Register scratch2, Label* throwLabel) {
MOZ_ASSERT(scratch != scratch2);
- // This is FrameWithInstances::sizeOf() - ShadowStackSpace because the latter
+ // This is `sizeof(FrameWithInstances) - ShadowStackSpace` because the latter
// is accounted for by the ABIArgIter.
- const unsigned offsetFromFPToCallerStackArgs = sizeof(FrameWithInstances);
+ const unsigned offsetFromFPToCallerStackArgs =
+ sizeof(FrameWithInstances) - jit::ShadowStackSpace;
// This loop does not root the values that are being constructed in
// for the arguments. Allocations that are generated by code either
@@ -2473,9 +2475,10 @@ bool wasm::GenerateBuiltinThunk(MacroAssembler& masm, ABIFunctionType abiType,
// Copy out and convert caller arguments, if needed.
- // This is FrameWithInstances::sizeOf() - ShadowStackSpace because the latter
+ // This is `sizeof(FrameWithInstances) - ShadowStackSpace` because the latter
// is accounted for by the ABIArgIter.
- unsigned offsetFromFPToCallerStackArgs = sizeof(FrameWithInstances);
+ unsigned offsetFromFPToCallerStackArgs =
+ sizeof(FrameWithInstances) - jit::ShadowStackSpace;
Register scratch = ABINonArgReturnReg0;
for (ABIArgIter i(args); !i.done(); i++) {
if (i->argInRegister()) {