mirror of
https://github.com/fluencelabs/wasmer
synced 2025-06-23 21:51:32 +00:00
fix(cranelift-backend) Remove broken (and useless?) debug code.
This debug code is broken (it doesn't compile). It can be assumed nobody uses it, and can be considered as dead code. As such, this PR removes it.
This commit is contained in:
Ivan Enderlin
@ -128,166 +128,6 @@ impl ModuleCodeGenerator<CraneliftFunctionCodeGenerator, Caller, CodegenError>
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.state
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.initialize(&builder.func.signature, exit_block);
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#[cfg(feature = "debug")]
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{
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use cranelift_codegen::cursor::{Cursor, FuncCursor};
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use cranelift_codegen::ir::InstBuilder;
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let entry_ebb = func.layout.entry_block().unwrap();
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let ebb = func.dfg.make_ebb();
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func.layout.insert_ebb(ebb, entry_ebb);
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let mut pos = FuncCursor::new(&mut func).at_first_insertion_point(ebb);
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let params = pos.func.dfg.ebb_params(entry_ebb).to_vec();
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let new_ebb_params: Vec<_> = params
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.iter()
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.map(|¶m| {
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pos.func
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.dfg
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.append_ebb_param(ebb, pos.func.dfg.value_type(param))
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})
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.collect();
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let start_debug = {
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let signature = pos.func.import_signature(ir::Signature {
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call_conv: self.target_config().default_call_conv,
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params: vec![
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ir::AbiParam::special(ir::types::I64, ir::ArgumentPurpose::VMContext),
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ir::AbiParam::new(ir::types::I32),
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],
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returns: vec![],
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});
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let name = ir::ExternalName::testcase("strtdbug");
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pos.func.import_function(ir::ExtFuncData {
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name,
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signature,
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colocated: false,
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})
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};
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let end_debug = {
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let signature = pos.func.import_signature(ir::Signature {
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call_conv: self.target_config().default_call_conv,
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params: vec![ir::AbiParam::special(
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ir::types::I64,
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ir::ArgumentPurpose::VMContext,
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)],
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returns: vec![],
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});
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let name = ir::ExternalName::testcase("enddbug");
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pos.func.import_function(ir::ExtFuncData {
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name,
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signature,
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colocated: false,
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})
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};
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let i32_print = {
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let signature = pos.func.import_signature(ir::Signature {
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call_conv: self.target_config().default_call_conv,
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params: vec![
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ir::AbiParam::special(ir::types::I64, ir::ArgumentPurpose::VMContext),
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ir::AbiParam::new(ir::types::I32),
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],
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returns: vec![],
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});
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let name = ir::ExternalName::testcase("i32print");
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pos.func.import_function(ir::ExtFuncData {
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name,
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signature,
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colocated: false,
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})
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};
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let i64_print = {
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let signature = pos.func.import_signature(ir::Signature {
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call_conv: self.target_config().default_call_conv,
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params: vec![
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ir::AbiParam::special(ir::types::I64, ir::ArgumentPurpose::VMContext),
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ir::AbiParam::new(ir::types::I64),
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],
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returns: vec![],
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});
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let name = ir::ExternalName::testcase("i64print");
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pos.func.import_function(ir::ExtFuncData {
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name,
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signature,
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colocated: false,
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})
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};
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let f32_print = {
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let signature = pos.func.import_signature(ir::Signature {
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call_conv: self.target_config().default_call_conv,
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params: vec![
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ir::AbiParam::special(ir::types::I64, ir::ArgumentPurpose::VMContext),
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ir::AbiParam::new(ir::types::F32),
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],
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returns: vec![],
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});
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let name = ir::ExternalName::testcase("f32print");
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pos.func.import_function(ir::ExtFuncData {
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name,
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signature,
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colocated: false,
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})
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};
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let f64_print = {
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let signature = pos.func.import_signature(ir::Signature {
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call_conv: self.target_config().default_call_conv,
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params: vec![
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ir::AbiParam::special(ir::types::I64, ir::ArgumentPurpose::VMContext),
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ir::AbiParam::new(ir::types::F64),
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],
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returns: vec![],
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});
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let name = ir::ExternalName::testcase("f64print");
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pos.func.import_function(ir::ExtFuncData {
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name,
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signature,
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colocated: false,
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})
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};
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let vmctx = pos
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.func
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.special_param(ir::ArgumentPurpose::VMContext)
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.expect("missing vmctx parameter");
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let func_index = pos.ins().iconst(
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ir::types::I32,
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func_index.index() as i64 + self.module.info.imported_functions.len() as i64,
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);
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pos.ins().call(start_debug, &[vmctx, func_index]);
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for param in new_ebb_params.iter().cloned() {
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match pos.func.dfg.value_type(param) {
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ir::types::I32 => pos.ins().call(i32_print, &[vmctx, param]),
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ir::types::I64 => pos.ins().call(i64_print, &[vmctx, param]),
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ir::types::F32 => pos.ins().call(f32_print, &[vmctx, param]),
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ir::types::F64 => pos.ins().call(f64_print, &[vmctx, param]),
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_ => unimplemented!(),
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};
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}
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pos.ins().call(end_debug, &[vmctx]);
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pos.ins().jump(entry_ebb, new_ebb_params.as_slice());
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}
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self.functions.push(func_env);
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Ok(self.functions.last_mut().unwrap())
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}
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@ -1,32 +1,31 @@
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use crate::{cache::BackendCache, trampoline::Trampolines};
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use crate::{
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cache::BackendCache,
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libcalls,
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relocation::{
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ExternalRelocation, LibCall, LocalRelocation, LocalTrapSink, Reloc, RelocSink,
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RelocationType, TrapSink, VmCall, VmCallKind,
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},
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signal::HandlerData,
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trampoline::Trampolines,
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};
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use rayon::prelude::*;
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use byteorder::{ByteOrder, LittleEndian};
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use cranelift_codegen::{
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binemit::{Stackmap, StackmapSink},
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ir, isa, Context,
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};
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use rayon::prelude::*;
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use std::{
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mem,
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ptr::{write_unaligned, NonNull},
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sync::Arc,
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};
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use wasmer_runtime_core::cache::Error as CacheError;
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use wasmer_runtime_core::{
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self,
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backend::{
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sys::{Memory, Protect},
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SigRegistry,
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},
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cache::Error as CacheError,
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error::{CompileError, CompileResult},
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module::ModuleInfo,
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structures::{Map, SliceMap, TypedIndex},
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@ -250,17 +249,9 @@ impl FuncResolverBuilder {
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#[cfg(not(target_os = "windows"))]
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LibCall::Probestack => __rust_probestack as isize,
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},
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RelocationType::Intrinsic(ref name) => match name.as_str() {
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"i32print" => i32_print as isize,
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"i64print" => i64_print as isize,
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"f32print" => f32_print as isize,
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"f64print" => f64_print as isize,
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"strtdbug" => start_debug as isize,
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"enddbug" => end_debug as isize,
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_ => Err(CompileError::InternalError {
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RelocationType::Intrinsic(ref name) => Err(CompileError::InternalError {
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msg: format!("unexpected intrinsic: {}", name),
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})?,
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},
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RelocationType::VmCall(vmcall) => match vmcall {
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VmCall::Local(kind) => match kind {
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VmCallKind::StaticMemoryGrow | VmCallKind::SharedStaticMemoryGrow => {
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@ -371,28 +362,3 @@ impl FuncResolver {
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fn round_up(n: usize, multiple: usize) -> usize {
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(n + multiple - 1) & !(multiple - 1)
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}
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extern "C" fn i32_print(_ctx: &mut vm::Ctx, n: i32) {
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eprint!(" i32: {},", n);
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}
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extern "C" fn i64_print(_ctx: &mut vm::Ctx, n: i64) {
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eprint!(" i64: {},", n);
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}
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extern "C" fn f32_print(_ctx: &mut vm::Ctx, n: f32) {
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eprint!(" f32: {},", n);
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}
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extern "C" fn f64_print(_ctx: &mut vm::Ctx, n: f64) {
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eprint!(" f64: {},", n);
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}
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extern "C" fn start_debug(ctx: &mut vm::Ctx, func_index: u32) {
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if let Some(symbol_map) = unsafe { ctx.borrow_symbol_map() } {
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if let Some(fn_name) = symbol_map.get(&func_index) {
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eprint!("func ({} ({})), args: [", fn_name, func_index);
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return;
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}
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}
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eprint!("func ({}), args: [", func_index);
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}
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extern "C" fn end_debug(_ctx: &mut vm::Ctx) {
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eprintln!(" ]");
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}
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