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Allow building clif-backend without wasm-debug

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This commit is contained in:
Mark McCaskey
2020-02-25 17:08:09 -08:00
parent d7fca539c1
commit 6f5ebb564c
2 changed files with 51 additions and 38 deletions
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88
lib/clif-backend/src/resolver.rs
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@ -113,6 +113,12 @@ impl FuncResolverBuilder {
let generate_debug_info = info.generate_debug_info;
let fb = function_bodies.iter().collect::<Vec<(_, _)>>();
#[cfg(feature = "generate-debug-information")]
use wasm_debug::types::CompiledFunctionData;
#[cfg(not(feature = "generate-debug-information"))]
type CompiledFunctionData = ();
/// Data about the the compiled machine code.
type CompileMetadata = (
LocalFuncIndex,
@ -128,7 +134,7 @@ impl FuncResolverBuilder {
.par_iter()
.map_init(
|| Context::new(),
|ctx, (lfi, (func, loc))| {
|ctx, (lfi, (func, _loc))| {
let mut code_buf = Vec::new();
ctx.func = func.to_owned();
let mut reloc_sink = RelocSink::new();
@ -149,6 +155,7 @@ impl FuncResolverBuilder {
_ => CompileError::InternalError { msg: e.to_string() },
})?;
#[cfg(feature = "generate-debug-information")]
let debug_entry = if generate_debug_info {
let func = &ctx.func;
let encinfo = isa.encoding_info();
@ -180,8 +187,8 @@ impl FuncResolverBuilder {
let entry = CompiledFunctionData {
instructions,
start_srcloc: wasm_debug::types::SourceLoc::new(loc.start()),
end_srcloc: wasm_debug::types::SourceLoc::new(loc.end()),
start_srcloc: wasm_debug::types::SourceLoc::new(_loc.start()),
end_srcloc: wasm_debug::types::SourceLoc::new(_loc.end()),
// this not being 0 breaks inst-level debugging
body_offset: 0,
body_len: code_buf.len(),
@ -191,13 +198,15 @@ impl FuncResolverBuilder {
None
};
#[cfg(not(feature = "generate-debug-information"))]
let debug_entry = None;
ctx.clear();
Ok((code_buf, (*lfi, debug_entry, reloc_sink, local_trap_sink)))
},
)
.collect();
use wasm_debug::types::CompiledFunctionData;
let mut debug_metadata = if generate_debug_info {
Some(wasmer_runtime_core::codegen::DebugMetadata {
func_info: Map::new(),
@ -216,42 +225,47 @@ impl FuncResolverBuilder {
// We separate into two iterators, one iterable and one into iterable
let (code_bufs, sinks): (Vec<Vec<u8>>, Vec<CompileMetadata>) =
compiled_functions.into_iter().unzip();
for (code_buf, (_, debug_info, reloc_sink, mut local_trap_sink)) in
for (code_buf, (_, _debug_info, reloc_sink, mut local_trap_sink)) in
code_bufs.iter().zip(sinks.into_iter())
{
let rounded_size = round_up(code_buf.len(), mem::size_of::<usize>());
if let Some(ref mut dbg_metadata) = debug_metadata {
let (entry, vlr, stackslots) = debug_info.unwrap();
dbg_metadata.func_info.push(entry);
let new_vlr = vlr
.into_iter()
.map(|(k, v)| {
(
wasm_debug::types::ValueLabel::from_u32(k.as_u32()),
v.into_iter()
.map(|item| wasm_debug::types::ValueLocRange {
start: item.start,
end: item.end,
loc: match item.loc {
cranelift_codegen::ir::ValueLoc::Unassigned => {
wasm_debug::types::ValueLoc::Unassigned
}
cranelift_codegen::ir::ValueLoc::Reg(ru) => {
wasm_debug::types::ValueLoc::Reg(ru)
}
cranelift_codegen::ir::ValueLoc::Stack(st) => {
wasm_debug::types::ValueLoc::Stack(
wasm_debug::types::StackSlot::from_u32(st.as_u32()),
)
}
},
})
.collect::<Vec<wasm_debug::types::ValueLocRange>>(),
)
})
.collect::<wasm_debug::types::ValueLabelsRangesInner>();
dbg_metadata.inst_info.push(new_vlr);
dbg_metadata.stack_slot_offsets.push(stackslots);
#[cfg(feature = "generate-debug-information")]
{
if let Some(ref mut dbg_metadata) = debug_metadata {
let (entry, vlr, stackslots) = _debug_info.unwrap();
dbg_metadata.func_info.push(entry);
let new_vlr = vlr
.into_iter()
.map(|(k, v)| {
(
wasm_debug::types::ValueLabel::from_u32(k.as_u32()),
v.into_iter()
.map(|item| wasm_debug::types::ValueLocRange {
start: item.start,
end: item.end,
loc: match item.loc {
cranelift_codegen::ir::ValueLoc::Unassigned => {
wasm_debug::types::ValueLoc::Unassigned
}
cranelift_codegen::ir::ValueLoc::Reg(ru) => {
wasm_debug::types::ValueLoc::Reg(ru)
}
cranelift_codegen::ir::ValueLoc::Stack(st) => {
wasm_debug::types::ValueLoc::Stack(
wasm_debug::types::StackSlot::from_u32(
st.as_u32(),
),
)
}
},
})
.collect::<Vec<wasm_debug::types::ValueLocRange>>(),
)
})
.collect::<wasm_debug::types::ValueLabelsRangesInner>();
dbg_metadata.inst_info.push(new_vlr);
dbg_metadata.stack_slot_offsets.push(stackslots);
}
}
// Clear the local trap sink and consolidate all trap info