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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
*/
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "jit/MacroAssembler.h"
#include "jsapi-tests/tests.h"
#include "jsapi-tests/testsJit.h"
#include "jit/MacroAssembler-inl.h"
using namespace js;
using namespace js::jit;
#if defined(ENABLE_WASM_TAIL_CALLS) && !defined(JS_CODEGEN_NONE)
// Check if wasmMarkSlowCall produces the byte sequence that can
// wasmCheckSlowCallsite detect.
BEGIN_TEST(testWasmCheckSlowCallMarkerHit) {
js::LifoAlloc lifo(4096);
TempAllocator alloc(&lifo);
JitContext jc(cx);
StackMacroAssembler masm(cx, alloc);
AutoCreatedBy acb(masm, __func__);
PrepareJit(masm);
Label check, fail, end;
masm.call(&check);
masm.wasmMarkSlowCall();
masm.jump(&end);
masm.bind(&check);
# ifdef JS_USE_LINK_REGISTER
# if !defined(JS_CODEGEN_LOONG64) && !defined(JS_CODEGEN_MIPS64) && \
!defined(JS_CODEGEN_RISCV64)
static constexpr Register ra = lr;
# endif
# else
static constexpr Register ra = ABINonArgReg2;
masm.loadPtr(Address(StackPointer, 0), ra);
# endif
masm.wasmCheckSlowCallsite(ra, &fail, ABINonArgReg1, ABINonArgReg2);
masm.abiret();
masm.bind(&fail);
masm.printf("Failed\n");
masm.breakpoint();
masm.bind(&end);
return ExecuteJit(cx, masm);
}
END_TEST(testWasmCheckSlowCallMarkerHit)
// Check if wasmCheckSlowCallsite does not detect non-marked slow calls.
BEGIN_TEST(testWasmCheckSlowCallMarkerMiss) {
js::LifoAlloc lifo(4096);
TempAllocator alloc(&lifo);
JitContext jc(cx);
StackMacroAssembler masm(cx, alloc);
AutoCreatedBy acb(masm, __func__);
PrepareJit(masm);
Label check, fast, end;
masm.call(&check);
masm.nop();
masm.jump(&end);
masm.bind(&check);
# ifdef JS_USE_LINK_REGISTER
# if !defined(JS_CODEGEN_LOONG64) && !defined(JS_CODEGEN_MIPS64) && \
!defined(JS_CODEGEN_RISCV64)
static constexpr Register ra = lr;
# endif
# else
static constexpr Register ra = ABINonArgReg2;
masm.loadPtr(Address(StackPointer, 0), ra);
# endif
masm.wasmCheckSlowCallsite(ra, &fast, ABINonArgReg1, ABINonArgReg2);
masm.printf("Failed\n");
masm.breakpoint();
masm.bind(&fast);
masm.abiret();
masm.bind(&end);
return ExecuteJit(cx, masm);
}
END_TEST(testWasmCheckSlowCallMarkerMiss)
#endif // ENABLE_WASM_TAIL_CALLS