Files
hakorune/src/jit/lower/builder/object.rs

561 lines
33 KiB
Rust

#![cfg(feature = "cranelift-jit")]
use super::{IRBuilder, ParamKind};
use cranelift_module::Module;
use cranelift_codegen::ir::InstBuilder;
pub struct ObjectBuilder {
pub(crate) module: cranelift_object::ObjectModule,
pub(crate) ctx: cranelift_codegen::Context,
pub(crate) fbc: cranelift_frontend::FunctionBuilderContext,
pub(crate) current_name: Option<String>,
pub(crate) entry_block: Option<cranelift_codegen::ir::Block>,
pub(crate) blocks: Vec<cranelift_codegen::ir::Block>,
pub(crate) current_block_index: Option<usize>,
pub(crate) value_stack: Vec<cranelift_codegen::ir::Value>,
pub(crate) typed_sig_prepared: bool,
pub(crate) desired_argc: usize,
pub(crate) desired_has_ret: bool,
pub(crate) desired_ret_is_f64: bool,
pub(crate) ret_hint_is_b1: bool,
pub(crate) local_slots: std::collections::HashMap<usize, cranelift_codegen::ir::StackSlot>,
pub(crate) block_param_counts: std::collections::HashMap<usize, usize>,
pub stats: (u64,u64,u64,u64,u64),
pub object_bytes: Option<Vec<u8>>,
// Track rough kinds of values on the stack for bridging (e.g., plugin tagged invoke)
value_tags: Vec<ValueTag>,
}
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
enum ValueTag { I64, F64, Handle, Unknown }
impl ObjectBuilder {
pub fn new() -> Self {
use cranelift_codegen::settings;
let isa = cranelift_native::builder().expect("host ISA").finish(settings::Flags::new(settings::builder())).expect("finish ISA");
let obj_builder = cranelift_object::ObjectBuilder::new(isa, "nyash_aot".to_string(), cranelift_module::default_libcall_names()).expect("ObjectBuilder");
let module = cranelift_object::ObjectModule::new(obj_builder);
Self { module, ctx: cranelift_codegen::Context::new(), fbc: cranelift_frontend::FunctionBuilderContext::new(), current_name: None, entry_block: None, blocks: Vec::new(), current_block_index: None, value_stack: Vec::new(), typed_sig_prepared: false, desired_argc: 0, desired_has_ret: true, desired_ret_is_f64: false, ret_hint_is_b1: false, local_slots: std::collections::HashMap::new(), block_param_counts: std::collections::HashMap::new(), stats: (0,0,0,0,0), object_bytes: None, value_tags: Vec::new() }
}
fn fresh_module() -> cranelift_object::ObjectModule {
use cranelift_codegen::settings;
let isa = cranelift_native::builder().expect("host ISA").finish(settings::Flags::new(settings::builder())).expect("finish ISA");
let obj_builder = cranelift_object::ObjectBuilder::new(isa, "nyash_aot".to_string(), cranelift_module::default_libcall_names()).expect("ObjectBuilder");
cranelift_object::ObjectModule::new(obj_builder)
}
pub fn take_object_bytes(&mut self) -> Option<Vec<u8>> { self.object_bytes.take() }
fn entry_param(&mut self, index: usize) -> Option<cranelift_codegen::ir::Value> {
use cranelift_frontend::FunctionBuilder;
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
if let Some(b) = self.entry_block {
fb.switch_to_block(b);
let params = fb.func.dfg.block_params(b).to_vec();
if let Some(v) = params.get(index).copied() { return Some(v); }
}
None
}
}
impl IRBuilder for ObjectBuilder {
fn begin_function(&mut self, name: &str) {
use cranelift_codegen::ir::{AbiParam, Signature, types};
use cranelift_frontend::FunctionBuilder;
self.current_name = Some(name.to_string());
self.value_stack.clear();
self.value_tags.clear();
// Reset contexts to satisfy Cranelift requirements when reusing the builder
self.ctx = cranelift_codegen::Context::new();
self.fbc = cranelift_frontend::FunctionBuilderContext::new();
self.blocks.clear();
self.entry_block = None;
self.current_block_index = None;
if !self.typed_sig_prepared {
let call_conv = self.module.isa().default_call_conv();
let mut sig = Signature::new(call_conv);
for _ in 0..self.desired_argc { sig.params.push(AbiParam::new(types::I64)); }
if self.desired_has_ret { if self.desired_ret_is_f64 { sig.returns.push(AbiParam::new(types::F64)); } else { sig.returns.push(AbiParam::new(types::I64)); } }
self.ctx.func.signature = sig;
}
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
if self.blocks.is_empty() { self.blocks.push(fb.create_block()); }
let entry = self.blocks[0];
fb.append_block_params_for_function_params(entry);
fb.switch_to_block(entry);
self.entry_block = Some(entry);
self.current_block_index = Some(0);
}
fn end_function(&mut self) {
use cranelift_codegen::ir::StackSlotData;
use cranelift_frontend::FunctionBuilder;
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
if let Some(b) = self.entry_block { fb.switch_to_block(b); }
fb.finalize();
// Export as ny_main so that nyrt can locate the entrypoint when linking AOT objects
let obj_id = self.module.declare_function("ny_main", cranelift_module::Linkage::Export, &self.ctx.func.signature).expect("declare func");
self.module.define_function(obj_id, &mut self.ctx).expect("define");
self.module.clear_context(&mut self.ctx);
let finished = std::mem::replace(&mut self.module, Self::fresh_module());
let product = finished.finish();
self.object_bytes = Some(product.emit().expect("emit object"));
// Clear per-function state to allow reuse
self.blocks.clear();
self.entry_block = None;
self.current_block_index = None;
}
fn prepare_signature_i64(&mut self, argc: usize, has_ret: bool) { self.desired_argc = argc; self.desired_has_ret = has_ret; }
fn prepare_signature_typed(&mut self, _params: &[ParamKind], _ret_is_f64: bool) { self.typed_sig_prepared = true; }
fn emit_param_i64(&mut self, index: usize) { if let Some(v) = self.entry_param(index) { self.value_stack.push(v); self.value_tags.push(ValueTag::Unknown); } }
fn emit_const_i64(&mut self, val: i64) {
use cranelift_codegen::ir::types;
use cranelift_frontend::FunctionBuilder;
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
if let Some(idx) = self.current_block_index { fb.switch_to_block(self.blocks[idx]); }
else if let Some(b) = self.entry_block { fb.switch_to_block(b); }
let v = fb.ins().iconst(types::I64, val);
self.value_stack.push(v);
self.value_tags.push(ValueTag::I64);
self.stats.0 += 1;
}
fn emit_const_f64(&mut self, val: f64) {
use cranelift_frontend::FunctionBuilder;
use cranelift_codegen::ir::types;
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
if let Some(idx) = self.current_block_index { fb.switch_to_block(self.blocks[idx]); }
else if let Some(b) = self.entry_block { fb.switch_to_block(b); }
let v = fb.ins().f64const(val);
self.value_stack.push(v);
self.value_tags.push(ValueTag::F64);
}
fn emit_binop(&mut self, op: super::BinOpKind) {
use cranelift_frontend::FunctionBuilder;
use cranelift_codegen::ir::types;
if self.value_stack.len() < 2 { return; }
let mut rhs = self.value_stack.pop().unwrap();
let mut lhs = self.value_stack.pop().unwrap();
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
if let Some(idx) = self.current_block_index { fb.switch_to_block(self.blocks[idx]); }
else if let Some(b) = self.entry_block { fb.switch_to_block(b); }
// Ensure i64 operands
if fb.func.dfg.value_type(lhs) != types::I64 { lhs = fb.ins().fcvt_to_sint(types::I64, lhs); }
if fb.func.dfg.value_type(rhs) != types::I64 { rhs = fb.ins().fcvt_to_sint(types::I64, rhs); }
let res = match op {
super::BinOpKind::Add => fb.ins().iadd(lhs, rhs),
super::BinOpKind::Sub => fb.ins().isub(lhs, rhs),
super::BinOpKind::Mul => fb.ins().imul(lhs, rhs),
super::BinOpKind::Div => fb.ins().sdiv(lhs, rhs),
super::BinOpKind::Mod => fb.ins().srem(lhs, rhs),
};
self.value_stack.push(res);
self.value_tags.push(ValueTag::I64);
self.stats.1 += 1;
}
fn emit_compare(&mut self, op: super::CmpKind) {
use cranelift_frontend::FunctionBuilder;
use cranelift_codegen::ir::{types, condcodes::IntCC};
if self.value_stack.len() < 2 { return; }
let mut rhs = self.value_stack.pop().unwrap();
let mut lhs = self.value_stack.pop().unwrap();
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
if let Some(idx) = self.current_block_index { fb.switch_to_block(self.blocks[idx]); }
else if let Some(b) = self.entry_block { fb.switch_to_block(b); }
// Ensure i64 operands
if fb.func.dfg.value_type(lhs) != types::I64 { lhs = fb.ins().fcvt_to_sint(types::I64, lhs); }
if fb.func.dfg.value_type(rhs) != types::I64 { rhs = fb.ins().fcvt_to_sint(types::I64, rhs); }
let cc = match op {
super::CmpKind::Eq => IntCC::Equal,
super::CmpKind::Ne => IntCC::NotEqual,
super::CmpKind::Lt => IntCC::SignedLessThan,
super::CmpKind::Le => IntCC::SignedLessThanOrEqual,
super::CmpKind::Gt => IntCC::SignedGreaterThan,
super::CmpKind::Ge => IntCC::SignedGreaterThanOrEqual,
};
let b1 = fb.ins().icmp(cc, lhs, rhs);
let one = fb.ins().iconst(types::I64, 1);
let zero = fb.ins().iconst(types::I64, 0);
let sel = fb.ins().select(b1, one, zero);
self.value_stack.push(sel);
self.value_tags.push(ValueTag::I64);
self.stats.2 += 1;
}
fn emit_jump(&mut self) { self.stats.3 += 1; }
fn emit_branch(&mut self) { self.stats.3 += 1; }
fn emit_return(&mut self) {
use cranelift_frontend::FunctionBuilder;
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
if let Some(idx) = self.current_block_index { fb.switch_to_block(self.blocks[idx]); }
else if let Some(b) = self.entry_block { fb.switch_to_block(b); }
if self.desired_has_ret {
if self.desired_ret_is_f64 {
use cranelift_codegen::ir::types;
let v = if let Some(v) = self.value_stack.pop() { v } else { fb.ins().f64const(0.0) };
// Coerce i64 to f64 if needed
let v2 = if fb.func.dfg.value_type(v) != types::F64 { fb.ins().fcvt_from_sint(types::F64, v) } else { v };
fb.ins().return_(&[v2]);
} else {
use cranelift_codegen::ir::types;
let v = if let Some(v) = self.value_stack.pop() { v } else { fb.ins().iconst(types::I64, 0) };
let v2 = if fb.func.dfg.value_type(v) != types::I64 { fb.ins().fcvt_to_sint(types::I64, v) } else { v };
fb.ins().return_(&[v2]);
}
} else {
fb.ins().return_(&[]);
}
self.stats.4 += 1;
}
fn ensure_local_i64(&mut self, index: usize) {
use cranelift_codegen::ir::StackSlotData;
use cranelift_frontend::FunctionBuilder;
if self.local_slots.contains_key(&index) { return; }
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
let slot = fb.create_sized_stack_slot(StackSlotData::new(cranelift_codegen::ir::StackSlotKind::ExplicitSlot, 8));
self.local_slots.insert(index, slot);
}
fn store_local_i64(&mut self, index: usize) {
use cranelift_frontend::FunctionBuilder;
use cranelift_codegen::ir::{types, condcodes::IntCC};
if let Some(mut v) = self.value_stack.pop() {
let _ = self.value_tags.pop();
if !self.local_slots.contains_key(&index) { self.ensure_local_i64(index); }
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
if let Some(idx) = self.current_block_index { fb.switch_to_block(self.blocks[idx]); }
else if let Some(b) = self.entry_block { fb.switch_to_block(b); }
// Coerce to i64 if needed
let ty = fb.func.dfg.value_type(v);
if ty != types::I64 {
if ty == types::F64 { v = fb.ins().fcvt_to_sint(types::I64, v); }
else { let one = fb.ins().iconst(types::I64, 1); let zero = fb.ins().iconst(types::I64, 0); let b1 = fb.ins().icmp_imm(IntCC::NotEqual, v, 0); v = fb.ins().select(b1, one, zero); }
}
if let Some(&slot) = self.local_slots.get(&index) { fb.ins().stack_store(v, slot, 0); }
}
}
fn load_local_i64(&mut self, index: usize) {
use cranelift_frontend::FunctionBuilder;
use cranelift_codegen::ir::types;
if !self.local_slots.contains_key(&index) { self.ensure_local_i64(index); }
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
if let Some(idx) = self.current_block_index { fb.switch_to_block(self.blocks[idx]); }
else if let Some(b) = self.entry_block { fb.switch_to_block(b); }
if let Some(&slot) = self.local_slots.get(&index) {
let v = fb.ins().stack_load(types::I64, slot, 0);
self.value_stack.push(v);
self.value_tags.push(ValueTag::Unknown);
}
}
fn prepare_blocks(&mut self, count: usize) { use cranelift_frontend::FunctionBuilder; if count == 0 { return; } let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc); if self.blocks.len() < count { for _ in 0..(count - self.blocks.len()) { self.blocks.push(fb.create_block()); } } }
fn switch_to_block(&mut self, index: usize) { use cranelift_frontend::FunctionBuilder; if index >= self.blocks.len() { return; } let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc); fb.switch_to_block(self.blocks[index]); self.current_block_index = Some(index); }
fn ensure_block_params_i64(&mut self, index: usize, count: usize) {
use cranelift_frontend::FunctionBuilder;
use cranelift_codegen::ir::types;
if index >= self.blocks.len() { return; }
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
let b = self.blocks[index];
let has_inst = fb.func.layout.first_inst(b).is_some();
if !has_inst {
let current = fb.func.dfg.block_params(b).len();
if count > current { for _ in current..count { let _ = fb.append_block_param(b, types::I64); } }
}
self.block_param_counts.insert(index, count);
}
fn push_block_param_i64_at(&mut self, pos: usize) {
use cranelift_frontend::FunctionBuilder;
use cranelift_codegen::ir::types;
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
let b = if let Some(i) = self.current_block_index { self.blocks[i] } else if let Some(e) = self.entry_block { e } else { return; };
let params = fb.func.dfg.block_params(b).to_vec();
let v = params.get(pos).copied().unwrap_or_else(|| fb.ins().iconst(types::I64, 0));
self.value_stack.push(v);
}
fn br_if_top_is_true(&mut self, then_index: usize, else_index: usize) {
use cranelift_frontend::FunctionBuilder;
use cranelift_codegen::ir::{types, condcodes::IntCC};
if then_index >= self.blocks.len() || else_index >= self.blocks.len() { return; }
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
let cond_val = if let Some(v) = self.value_stack.pop() { v } else { fb.ins().iconst(types::I64, 0) };
if let Some(idx) = self.current_block_index { fb.switch_to_block(self.blocks[idx]); }
else if let Some(b) = self.entry_block { fb.switch_to_block(b); }
let b1 = if fb.func.dfg.value_type(cond_val) == types::I64 { fb.ins().icmp_imm(IntCC::NotEqual, cond_val, 0) } else { fb.ins().icmp_imm(IntCC::NotEqual, cond_val, 0) };
fb.ins().brif(b1, self.blocks[then_index], &[], self.blocks[else_index], &[]);
self.stats.3 += 1;
}
fn jump_to(&mut self, target_index: usize) {
use cranelift_frontend::FunctionBuilder;
if target_index >= self.blocks.len() { return; }
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
if let Some(idx) = self.current_block_index { fb.switch_to_block(self.blocks[idx]); }
else if let Some(b) = self.entry_block { fb.switch_to_block(b); }
fb.ins().jump(self.blocks[target_index], &[]);
self.stats.3 += 1;
}
fn emit_select_i64(&mut self) {
use cranelift_frontend::FunctionBuilder;
use cranelift_codegen::ir::{types, condcodes::IntCC};
if self.value_stack.len() < 3 { return; }
let mut else_v = self.value_stack.pop().unwrap();
let mut then_v = self.value_stack.pop().unwrap();
let cond_v = self.value_stack.pop().unwrap();
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
if let Some(idx) = self.current_block_index { fb.switch_to_block(self.blocks[idx]); }
else if let Some(b) = self.entry_block { fb.switch_to_block(b); }
let cond_b1 = if fb.func.dfg.value_type(cond_v) == types::I64 { fb.ins().icmp_imm(IntCC::NotEqual, cond_v, 0) } else { fb.ins().icmp_imm(IntCC::NotEqual, cond_v, 0) };
if fb.func.dfg.value_type(then_v) != types::I64 { then_v = fb.ins().fcvt_to_sint(types::I64, then_v); }
if fb.func.dfg.value_type(else_v) != types::I64 { else_v = fb.ins().fcvt_to_sint(types::I64, else_v); }
let sel = fb.ins().select(cond_b1, then_v, else_v);
self.value_stack.push(sel);
}
fn emit_host_call(&mut self, symbol: &str, argc: usize, has_ret: bool) {
use cranelift_codegen::ir::{AbiParam, Signature, types};
use cranelift_frontend::FunctionBuilder;
// Structured lower event for import call (AOT builder)
{
let mut arg_types: Vec<&'static str> = Vec::new();
for _ in 0..argc { arg_types.push("I64"); }
crate::jit::events::emit_lower(
serde_json::json!({
"id": symbol,
"decision": "allow",
"reason": "import_call",
"argc": argc,
"arg_types": arg_types,
"ret": if has_ret { "I64" } else { "Void" }
}),
"hostcall","<aot>"
);
}
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
if let Some(idx) = self.current_block_index { fb.switch_to_block(self.blocks[idx]); }
else if let Some(b) = self.entry_block { fb.switch_to_block(b); }
let mut sig = Signature::new(self.module.isa().default_call_conv());
for _ in 0..argc { sig.params.push(AbiParam::new(types::I64)); }
if has_ret { sig.returns.push(AbiParam::new(types::I64)); }
let func_id = self.module.declare_function(symbol, cranelift_module::Linkage::Import, &sig).expect("declare hostcall");
let mut args: Vec<cranelift_codegen::ir::Value> = Vec::with_capacity(argc);
for _ in 0..argc { if let Some(v) = self.value_stack.pop() { args.push(v); } else { args.push(fb.ins().iconst(types::I64, 0)); } }
args.reverse();
// Ensure i64 for all
for a in args.iter_mut() { if fb.func.dfg.value_type(*a) != types::I64 { *a = fb.ins().fcvt_to_sint(types::I64, *a); } }
let fref = self.module.declare_func_in_func(func_id, fb.func);
let call_inst = fb.ins().call(fref, &args);
if has_ret { if let Some(v) = fb.inst_results(call_inst).get(0).copied() { self.value_stack.push(v); } }
}
fn emit_host_call_typed(&mut self, symbol: &str, params: &[super::ParamKind], has_ret: bool, ret_is_f64: bool) {
use cranelift_codegen::ir::{AbiParam, Signature, types};
use cranelift_frontend::FunctionBuilder;
// Structured lower event for typed import call (AOT builder)
{
let mut arg_types: Vec<&'static str> = Vec::new();
for k in params { arg_types.push(match k { super::ParamKind::I64 | super::ParamKind::B1 => "I64", super::ParamKind::F64 => "F64" }); }
crate::jit::events::emit_lower(
serde_json::json!({
"id": symbol,
"decision": "allow",
"reason": "import_call_typed",
"argc": params.len(),
"arg_types": arg_types,
"ret": if has_ret { if ret_is_f64 { "F64" } else { "I64" } } else { "Void" }
}),
"hostcall","<aot>"
);
}
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
if let Some(idx) = self.current_block_index { fb.switch_to_block(self.blocks[idx]); }
else if let Some(b) = self.entry_block { fb.switch_to_block(b); }
let mut sig = Signature::new(self.module.isa().default_call_conv());
for &k in params {
match k { super::ParamKind::I64 => sig.params.push(AbiParam::new(types::I64)), super::ParamKind::F64 => sig.params.push(AbiParam::new(types::F64)), super::ParamKind::B1 => sig.params.push(AbiParam::new(types::I64)) }
}
if has_ret { if ret_is_f64 { sig.returns.push(AbiParam::new(types::F64)); } else { sig.returns.push(AbiParam::new(types::I64)); } }
let func_id = self.module.declare_function(symbol, cranelift_module::Linkage::Import, &sig).expect("declare hostcall typed");
// Gather args from stack (reverse)
let mut args: Vec<cranelift_codegen::ir::Value> = Vec::with_capacity(params.len());
for &k in params.iter().rev() {
let mut v = if let Some(v) = self.value_stack.pop() {
v
} else {
match k { super::ParamKind::I64 | super::ParamKind::B1 => fb.ins().iconst(types::I64, 0), super::ParamKind::F64 => fb.ins().f64const(0.0) }
};
// Coerce
v = match k {
super::ParamKind::I64 | super::ParamKind::B1 => { if fb.func.dfg.value_type(v) != types::I64 { fb.ins().fcvt_to_sint(types::I64, v) } else { v } },
super::ParamKind::F64 => { if fb.func.dfg.value_type(v) != types::F64 { fb.ins().fcvt_from_sint(types::F64, v) } else { v } },
};
args.push(v);
}
args.reverse();
let fref = self.module.declare_func_in_func(func_id, fb.func);
let call_inst = fb.ins().call(fref, &args);
if has_ret {
if let Some(mut v) = fb.inst_results(call_inst).get(0).copied() {
if ret_is_f64 && fb.func.dfg.value_type(v) != types::F64 { v = fb.ins().fcvt_from_sint(types::F64, v); }
if !ret_is_f64 && fb.func.dfg.value_type(v) != types::I64 { v = fb.ins().fcvt_to_sint(types::I64, v); }
self.value_stack.push(v);
}
}
}
fn emit_host_call_fixed3(&mut self, symbol: &str, has_ret: bool) {
self.emit_host_call(symbol, 3, has_ret);
}
fn emit_string_handle_from_literal(&mut self, s: &str) {
use cranelift_codegen::ir::{AbiParam, Signature, types};
use cranelift_frontend::FunctionBuilder;
// Pack up to 16 bytes of the literal into two u64 words
let bytes = s.as_bytes();
let mut lo: u64 = 0; let mut hi: u64 = 0;
let take = core::cmp::min(16, bytes.len());
for i in 0..take.min(8) { lo |= (bytes[i] as u64) << (8 * i as u32); }
for i in 8..take { hi |= (bytes[i] as u64) << (8 * (i - 8) as u32); }
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
if let Some(idx) = self.current_block_index { fb.switch_to_block(self.blocks[idx]); }
else if let Some(b) = self.entry_block { fb.switch_to_block(b); }
// Declare import: nyash.string.from_u64x2(lo, hi, len) -> i64
let mut sig = Signature::new(self.module.isa().default_call_conv());
sig.params.push(AbiParam::new(types::I64));
sig.params.push(AbiParam::new(types::I64));
sig.params.push(AbiParam::new(types::I64));
sig.returns.push(AbiParam::new(types::I64));
let func_id = self.module.declare_function(crate::jit::r#extern::collections::SYM_STRING_FROM_U64X2, cranelift_module::Linkage::Import, &sig).expect("declare string.from_u64x2");
let lo_v = fb.ins().iconst(types::I64, lo as i64);
let hi_v = fb.ins().iconst(types::I64, hi as i64);
let len_v = fb.ins().iconst(types::I64, bytes.len() as i64);
let fref = self.module.declare_func_in_func(func_id, fb.func);
let call_inst = fb.ins().call(fref, &[lo_v, hi_v, len_v]);
if let Some(v) = fb.inst_results(call_inst).get(0).copied() { self.value_stack.push(v); self.value_tags.push(ValueTag::Handle); }
}
fn br_if_with_args(&mut self, then_index: usize, else_index: usize, then_n: usize, else_n: usize) {
use cranelift_frontend::FunctionBuilder;
use cranelift_codegen::ir::{types, condcodes::IntCC};
if then_index >= self.blocks.len() || else_index >= self.blocks.len() { return; }
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
if let Some(idx) = self.current_block_index { fb.switch_to_block(self.blocks[idx]); }
else if let Some(b) = self.entry_block { fb.switch_to_block(b); }
// Pop else args, then then args (stack topに近い方から)
let mut else_args: Vec<cranelift_codegen::ir::Value> = Vec::new();
for _ in 0..else_n { if let Some(v) = self.value_stack.pop() { else_args.push(v); let _ = self.value_tags.pop(); } else { else_args.push(fb.ins().iconst(types::I64, 0)); } }
else_args.reverse();
let mut then_args: Vec<cranelift_codegen::ir::Value> = Vec::new();
for _ in 0..then_n { if let Some(v) = self.value_stack.pop() { then_args.push(v); let _ = self.value_tags.pop(); } else { then_args.push(fb.ins().iconst(types::I64, 0)); } }
then_args.reverse();
// Cond
let cond_val = if let Some(v) = self.value_stack.pop() { v } else { fb.ins().iconst(types::I64, 0) };
let b1 = if fb.func.dfg.value_type(cond_val) == types::I64 { fb.ins().icmp_imm(IntCC::NotEqual, cond_val, 0) } else { fb.ins().icmp_imm(IntCC::NotEqual, cond_val, 0) };
// Coerce args to i64
for a in then_args.iter_mut() { if fb.func.dfg.value_type(*a) != types::I64 { *a = fb.ins().fcvt_to_sint(types::I64, *a); } }
for a in else_args.iter_mut() { if fb.func.dfg.value_type(*a) != types::I64 { *a = fb.ins().fcvt_to_sint(types::I64, *a); } }
fb.ins().brif(b1, self.blocks[then_index], &then_args, self.blocks[else_index], &else_args);
self.stats.3 += 1;
}
fn jump_with_args(&mut self, target_index: usize, n: usize) {
use cranelift_frontend::FunctionBuilder;
use cranelift_codegen::ir::types;
if target_index >= self.blocks.len() { return; }
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
if let Some(idx) = self.current_block_index { fb.switch_to_block(self.blocks[idx]); }
else if let Some(b) = self.entry_block { fb.switch_to_block(b); }
let mut args: Vec<cranelift_codegen::ir::Value> = Vec::new();
for _ in 0..n { if let Some(v) = self.value_stack.pop() { args.push(v); let _ = self.value_tags.pop(); } else { args.push(fb.ins().iconst(types::I64, 0)); } }
args.reverse();
for a in args.iter_mut() { if fb.func.dfg.value_type(*a) != types::I64 { *a = fb.ins().fcvt_to_sint(types::I64, *a); } }
fb.ins().jump(self.blocks[target_index], &args);
self.stats.3 += 1;
}
fn emit_plugin_invoke(&mut self, _type_id: u32, _method_id: u32, argc: usize, has_ret: bool) {
use cranelift_codegen::ir::{AbiParam, Signature, types};
use cranelift_frontend::FunctionBuilder;
// We import NyRT tagged invoke entry (by-id). Signature:
// nyash_plugin_invoke3_tagged_i64(type_id, method_id, argc, a0, a1, tag1, a2, tag2, a3, tag3, a4, tag4) -> i64
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
if let Some(idx) = self.current_block_index { fb.switch_to_block(self.blocks[idx]); }
else if let Some(b) = self.entry_block { fb.switch_to_block(b); }
// Pop args in reverse: last pushed is top. Collect up to 4 (excluding recv)
let mut arg_vals: Vec<cranelift_codegen::ir::Value> = Vec::new();
let mut arg_tags: Vec<ValueTag> = Vec::new();
for _ in 0..argc.saturating_sub(1) { // exclude receiver (first param)
if let Some(v) = self.value_stack.pop() {
arg_vals.push(v);
arg_tags.push(self.value_tags.pop().unwrap_or(ValueTag::Unknown));
}
}
// Receiver
let recv = if let Some(v) = self.value_stack.pop() { let _ = self.value_tags.pop(); v } else { fb.ins().iconst(types::I64, 0) };
arg_vals.reverse();
arg_tags.reverse();
let mut tag_i64 = |t: ValueTag| -> i64 { match t { ValueTag::Handle => 8, ValueTag::F64 => 5, ValueTag::I64 => 3, ValueTag::Unknown => 3 } };
// Build signature and declare import
let mut sig = Signature::new(self.module.isa().default_call_conv());
for _ in 0..12 { sig.params.push(AbiParam::new(types::I64)); }
sig.returns.push(AbiParam::new(types::I64));
let func_id = self.module.declare_function("nyash_plugin_invoke3_tagged_i64", cranelift_module::Linkage::Import, &sig).expect("declare plugin invoke tagged");
let fref = self.module.declare_func_in_func(func_id, fb.func);
// Prepare args array
let mut args: Vec<cranelift_codegen::ir::Value> = Vec::with_capacity(12);
let to_i64 = |fb: &mut FunctionBuilder, v: cranelift_codegen::ir::Value| {
if fb.func.dfg.value_type(v) != types::I64 { fb.ins().fcvt_to_sint(types::I64, v) } else { v }
};
let t_i64 = |_fb: &mut FunctionBuilder, x: i64| -> cranelift_codegen::ir::Value { _fb.ins().iconst(types::I64, x) };
// Pass through type_id/method_id from lowering (method_id must match plugin vtable)
args.push(t_i64(&mut fb, _type_id as i64)); // type_id (runtime may override with real_type_id)
args.push(t_i64(&mut fb, _method_id as i64)); // method_id
args.push(t_i64(&mut fb, argc as i64 - 1)); // argc excluding recv
args.push(to_i64(&mut fb, recv)); // a0 (recv)
// a1/tag1, a2/tag2, a3/tag3, a4/tag4
for i in 0..4 {
if let Some(v) = arg_vals.get(i).copied() {
args.push(to_i64(&mut fb, v));
let tg = tag_i64(*arg_tags.get(i).unwrap_or(&ValueTag::Unknown));
args.push(t_i64(&mut fb, tg));
} else {
args.push(t_i64(&mut fb, 0));
args.push(t_i64(&mut fb, 3));
}
}
let call_inst = fb.ins().call(fref, &args);
if has_ret {
if let Some(v) = fb.inst_results(call_inst).get(0).copied() { self.value_stack.push(v); self.value_tags.push(ValueTag::I64); }
}
}
fn emit_plugin_invoke_by_name(&mut self, _method: &str, argc: usize, has_ret: bool) {
use cranelift_codegen::ir::{AbiParam, Signature, types};
use cranelift_frontend::FunctionBuilder;
// Use nyash.plugin.invoke_by_name_i64(recv_h, method_cstr, argc, a1, a2)
// Limit: supports up to 2 args beyond receiver.
let mut fb = FunctionBuilder::new(&mut self.ctx.func, &mut self.fbc);
if let Some(idx) = self.current_block_index { fb.switch_to_block(self.blocks[idx]); }
else if let Some(b) = self.entry_block { fb.switch_to_block(b); }
// Pop args and recv
let mut arg_vals: Vec<cranelift_codegen::ir::Value> = Vec::new();
for _ in 0..argc.saturating_sub(1) { if let Some(v) = self.value_stack.pop() { arg_vals.push(v); let _ = self.value_tags.pop(); } }
let recv = if let Some(v) = self.value_stack.pop() { let _ = self.value_tags.pop(); v } else { fb.ins().iconst(types::I64, 0) };
arg_vals.reverse();
let mut sig = Signature::new(self.module.isa().default_call_conv());
for _ in 0..5 { sig.params.push(AbiParam::new(types::I64)); }
sig.returns.push(AbiParam::new(types::I64));
let func_id = self.module.declare_function("nyash.plugin.invoke_by_name_i64", cranelift_module::Linkage::Import, &sig).expect("declare plugin invoke by-name");
let fref = self.module.declare_func_in_func(func_id, fb.func);
let to_i64 = |fb: &mut FunctionBuilder, v: cranelift_codegen::ir::Value| { if fb.func.dfg.value_type(v) != types::I64 { fb.ins().fcvt_to_sint(types::I64, v) } else { v } };
let zero = fb.ins().iconst(types::I64, 0);
let mut args: Vec<cranelift_codegen::ir::Value> = Vec::with_capacity(5);
args.push(to_i64(&mut fb, recv));
// method ptr not supported in object builder (no easy CStr symbol payload); pass 0 to let runtime reject if mistakenly used.
args.push(zero);
args.push(fb.ins().iconst(types::I64, (argc as i64).saturating_sub(1)));
args.push(arg_vals.get(0).copied().map(|v| to_i64(&mut fb, v)).unwrap_or(zero));
args.push(arg_vals.get(1).copied().map(|v| to_i64(&mut fb, v)).unwrap_or(zero));
let call_inst = fb.ins().call(fref, &args);
if has_ret { if let Some(v) = fb.inst_results(call_inst).get(0).copied() { self.value_stack.push(v); self.value_tags.push(ValueTag::I64); } }
}
}