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This commit is contained in:
John Alanbrook
2026-02-21 02:37:30 -06:00
parent 20c2576fa7
commit 81c88f9439
9 changed files with 134 additions and 49 deletions
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31
source/qbe_helpers.c
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@@ -786,11 +786,12 @@ JSValue cell_native_dispatch(JSContext *ctx, JSValue func_obj,
NativeRTState *st = native_state(ctx);
if (!st) return JS_EXCEPTION;
JSFunction *f = JS_VALUE_GET_FUNCTION(func_obj);
cell_compiled_fn fn = (cell_compiled_fn)JS_VALUE_GET_CODE(f->u.cell.code)->u.native.fn_ptr;
int nr_slots = JS_VALUE_GET_CODE(f->u.cell.code)->u.native.nr_slots;
JSCode *f_code = JS_VALUE_GET_CODE(FN_READ_CODE(f));
cell_compiled_fn fn = (cell_compiled_fn)f_code->u.native.fn_ptr;
int nr_slots = f_code->u.native.nr_slots;
int arity = f->length;
void *prev_dl_handle = st->current_dl_handle;
st->current_dl_handle = JS_VALUE_GET_CODE(f->u.cell.code)->u.native.dl_handle;
st->current_dl_handle = f_code->u.native.dl_handle;
#define RETURN_DISPATCH(v) \
do { \
@@ -841,7 +842,7 @@ JSValue cell_native_dispatch(JSContext *ctx, JSValue func_obj,
if (JS_IsFunction(frame->function)) {
JSFunction *cur_fn = JS_VALUE_GET_FUNCTION(frame->function);
if (cur_fn->kind == JS_FUNC_KIND_NATIVE)
st->current_dl_handle = JS_VALUE_GET_CODE(cur_fn->u.cell.code)->u.native.dl_handle;
st->current_dl_handle = JS_VALUE_GET_CODE(FN_READ_CODE(cur_fn))->u.native.dl_handle;
}
JSValue result = fn(ctx, fp);
@@ -874,7 +875,7 @@ JSValue cell_native_dispatch(JSContext *ctx, JSValue func_obj,
JS_RaiseDisrupt(ctx, "not a function");
/* Resume caller with exception pending */
JSFunction *exc_fn = JS_VALUE_GET_FUNCTION(frame->function);
fn = (cell_compiled_fn)JS_VALUE_GET_CODE(exc_fn->u.cell.code)->u.native.fn_ptr;
fn = (cell_compiled_fn)JS_VALUE_GET_CODE(FN_READ_CODE(exc_fn))->u.native.fn_ptr;
JS_PopGCRef(ctx, &callee_ref);
continue;
}
@@ -882,14 +883,14 @@ JSValue cell_native_dispatch(JSContext *ctx, JSValue func_obj,
JSFunction *callee_fn = JS_VALUE_GET_FUNCTION(callee_fn_val);
if (!cell_check_call_arity(ctx, callee_fn, callee_argc)) {
JSFunction *exc_fn = JS_VALUE_GET_FUNCTION(frame->function);
fn = (cell_compiled_fn)JS_VALUE_GET_CODE(exc_fn->u.cell.code)->u.native.fn_ptr;
fn = (cell_compiled_fn)JS_VALUE_GET_CODE(FN_READ_CODE(exc_fn))->u.native.fn_ptr;
JS_PopGCRef(ctx, &callee_ref);
continue;
}
if (callee_fn->kind == JS_FUNC_KIND_NATIVE) {
/* Native-to-native call — no C stack growth */
cell_compiled_fn callee_ptr = (cell_compiled_fn)JS_VALUE_GET_CODE(callee_fn->u.cell.code)->u.native.fn_ptr;
cell_compiled_fn callee_ptr = (cell_compiled_fn)JS_VALUE_GET_CODE(FN_READ_CODE(callee_fn))->u.native.fn_ptr;
if (pending_is_tail) {
/* Tail call: replace current frame with the prepared callee frame. */
@@ -930,7 +931,7 @@ JSValue cell_native_dispatch(JSContext *ctx, JSValue func_obj,
frame = (JSFrameRegister *)JS_VALUE_GET_PTR(frame_val);
fp = (JSValue *)frame->slots;
JSFunction *exc_fn = JS_VALUE_GET_FUNCTION(frame->function);
fn = (cell_compiled_fn)JS_VALUE_GET_CODE(exc_fn->u.cell.code)->u.native.fn_ptr;
fn = (cell_compiled_fn)JS_VALUE_GET_CODE(FN_READ_CODE(exc_fn))->u.native.fn_ptr;
JS_PopGCRef(ctx, &callee_ref);
continue;
}
@@ -967,7 +968,7 @@ JSValue cell_native_dispatch(JSContext *ctx, JSValue func_obj,
/* fn and fp still point to the calling native function's frame.
Just resume it — it will detect JS_EXCEPTION in the return slot. */
JSFunction *exc_fn = JS_VALUE_GET_FUNCTION(frame->function);
fn = (cell_compiled_fn)JS_VALUE_GET_CODE(exc_fn->u.cell.code)->u.native.fn_ptr;
fn = (cell_compiled_fn)JS_VALUE_GET_CODE(FN_READ_CODE(exc_fn))->u.native.fn_ptr;
JS_PopGCRef(ctx, &callee_ref);
continue;
}
@@ -998,7 +999,7 @@ JSValue cell_native_dispatch(JSContext *ctx, JSValue func_obj,
fp[ret_slot] = ret;
/* Resume caller */
JSFunction *caller_fn = JS_VALUE_GET_FUNCTION(frame->function);
fn = (cell_compiled_fn)JS_VALUE_GET_CODE(caller_fn->u.cell.code)->u.native.fn_ptr;
fn = (cell_compiled_fn)JS_VALUE_GET_CODE(FN_READ_CODE(caller_fn))->u.native.fn_ptr;
} else {
/* Regular call: store result and resume current function */
int ret_info = JS_VALUE_GET_INT(frame->address);
@@ -1007,7 +1008,7 @@ JSValue cell_native_dispatch(JSContext *ctx, JSValue func_obj,
fp[ret_slot] = ret;
/* fn stays the same — we resume the same function at next segment */
JSFunction *cur_fn = JS_VALUE_GET_FUNCTION(frame->function);
fn = (cell_compiled_fn)JS_VALUE_GET_CODE(cur_fn->u.cell.code)->u.native.fn_ptr;
fn = (cell_compiled_fn)JS_VALUE_GET_CODE(FN_READ_CODE(cur_fn))->u.native.fn_ptr;
}
}
JS_PopGCRef(ctx, &callee_ref);
@@ -1040,7 +1041,7 @@ JSValue cell_native_dispatch(JSContext *ctx, JSValue func_obj,
fp[ret_slot] = JS_EXCEPTION;
JSFunction *exc_caller_fn = JS_VALUE_GET_FUNCTION(frame->function);
fn = (cell_compiled_fn)JS_VALUE_GET_CODE(exc_caller_fn->u.cell.code)->u.native.fn_ptr;
fn = (cell_compiled_fn)JS_VALUE_GET_CODE(FN_READ_CODE(exc_caller_fn))->u.native.fn_ptr;
continue;
}
@@ -1064,7 +1065,7 @@ JSValue cell_native_dispatch(JSContext *ctx, JSValue func_obj,
fp[ret_slot] = result;
JSFunction *caller_fn = JS_VALUE_GET_FUNCTION(frame->function);
fn = (cell_compiled_fn)JS_VALUE_GET_CODE(caller_fn->u.cell.code)->u.native.fn_ptr;
fn = (cell_compiled_fn)JS_VALUE_GET_CODE(FN_READ_CODE(caller_fn))->u.native.fn_ptr;
continue;
}
@@ -1149,8 +1150,8 @@ JSValue cell_rt_frame(JSContext *ctx, JSValue fn, int64_t nargs) {
}
int nr_slots = (int)nargs + 2;
JSFunction *f = JS_VALUE_GET_FUNCTION(fn);
if (f->kind == JS_FUNC_KIND_NATIVE && JS_VALUE_GET_CODE(f->u.cell.code)->u.native.nr_slots > nr_slots)
nr_slots = JS_VALUE_GET_CODE(f->u.cell.code)->u.native.nr_slots;
if (f->kind == JS_FUNC_KIND_NATIVE && JS_VALUE_GET_CODE(FN_READ_CODE(f))->u.native.nr_slots > nr_slots)
nr_slots = JS_VALUE_GET_CODE(FN_READ_CODE(f))->u.native.nr_slots;
JSFrameRegister *new_frame = alloc_frame_register(ctx, nr_slots);
if (!new_frame) return JS_EXCEPTION;
new_frame->function = fn;