FrameIterator::FrameIterator(const WasmActivation& activation)
: cx_(activation.cx()),
instance_(&activation.instance()),
callsite_(nullptr),
codeRange_(nullptr),
fp_(activation.fp()),
missingFrameMessage_(false)
{
if (fp_) {
settle();
return;
}
void* pc = activation.resumePC();
if (!pc)
return;
const CodeRange* codeRange = instance_->lookupCodeRange(pc);
MOZ_ASSERT(codeRange);
if (codeRange->kind() == CodeRange::Function)
codeRange_ = codeRange;
else
missingFrameMessage_ = true;
MOZ_ASSERT(!done());
}
// Use an int32_t return type instead of bool since bool does not have a
// specified width and the caller is assuming a word-sized return.
static int32_t
InvokeImport_Void(int32_t importIndex, int32_t argc, Value* argv)
{
WasmActivation* activation = JSRuntime::innermostWasmActivation();
JSContext* cx = activation->cx();
RootedValue rval(cx);
return activation->module().callImport(cx, importIndex, argc, argv, &rval);
}
FrameIterator::FrameIterator(const WasmActivation& activation)
: cx_(activation.cx()),
module_(&activation.module()),
callsite_(nullptr),
codeRange_(nullptr),
fp_(activation.fp())
{
if (fp_)
settle();
}
static int32_t
InvokeImport_I64(int32_t importIndex, int32_t argc, uint64_t* argv)
{
WasmActivation* activation = JSRuntime::innermostWasmActivation();
JSContext* cx = activation->cx();
RootedValue rval(cx);
if (!activation->module().callImport(cx, importIndex, argc, argv, &rval))
return false;
if (!ReadI64Object(cx, rval, (int64_t*)argv))
return false;
return true;
}
// Use an int32_t return type instead of bool since bool does not have a
// specified width and the caller is assuming a word-sized return.
static int32_t
InvokeImport_F64(int32_t importIndex, int32_t argc, Value* argv)
{
WasmActivation* activation = JSRuntime::innermostWasmActivation();
JSContext* cx = activation->cx();
RootedValue rval(cx);
if (!activation->module().callImport(cx, importIndex, argc, argv, &rval))
return false;
double dbl;
if (!ToNumber(cx, rval, &dbl))
return false;
argv[0] = DoubleValue(dbl);
return true;
}
// Use an int32_t return type instead of bool since bool does not have a
// specified width and the caller is assuming a word-sized return.
static int32_t
InvokeImport_I32(int32_t importIndex, int32_t argc, Value* argv)
{
WasmActivation* activation = JSRuntime::innermostWasmActivation();
JSContext* cx = activation->cx();
RootedValue rval(cx);
if (!activation->module().callImport(cx, importIndex, argc, argv, &rval))
return false;
int32_t i32;
if (!ToInt32(cx, rval, &i32))
return false;
argv[0] = Int32Value(i32);
return true;
}