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Add -Z embed-source=yes to embed source code in DWARF debug info

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This commit is contained in:
Mrmaxmeier
2024-04-27 23:14:36 +02:00
parent 80d8270d84
commit 0b87af9d4f
9 changed files with 76 additions and 4 deletions
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25
compiler/rustc_session/src/session.rs
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@@ -37,8 +37,9 @@ use rustc_target::spec::{
use crate::code_stats::CodeStats;
pub use crate::code_stats::{DataTypeKind, FieldInfo, FieldKind, SizeKind, VariantInfo};
use crate::config::{
self, CoverageLevel, CrateType, ErrorOutputType, FunctionReturn, Input, InstrumentCoverage,
OptLevel, OutFileName, OutputType, RemapPathScopeComponents, SwitchWithOptPath,
self, CoverageLevel, CrateType, DebugInfo, ErrorOutputType, FunctionReturn, Input,
InstrumentCoverage, OptLevel, OutFileName, OutputType, RemapPathScopeComponents,
SwitchWithOptPath,
};
use crate::parse::{add_feature_diagnostics, ParseSess};
use crate::search_paths::{PathKind, SearchPath};
@@ -1300,6 +1301,26 @@ fn validate_commandline_args_with_session_available(sess: &Session) {
.emit_err(errors::SplitDebugInfoUnstablePlatform { debuginfo: sess.split_debuginfo() });
}
if sess.opts.unstable_opts.embed_source {
let dwarf_version =
sess.opts.unstable_opts.dwarf_version.unwrap_or(sess.target.default_dwarf_version);
let uses_llvm_backend =
matches!(sess.opts.unstable_opts.codegen_backend.as_deref(), None | Some("llvm"));
if dwarf_version < 5 {
sess.dcx().emit_warn(errors::EmbedSourceInsufficientDwarfVersion { dwarf_version });
}
if sess.opts.debuginfo == DebugInfo::None {
sess.dcx().emit_warn(errors::EmbedSourceRequiresDebugInfo);
}
if !uses_llvm_backend {
sess.dcx().emit_warn(errors::EmbedSourceRequiresLLVMBackend);
}
}
if sess.opts.unstable_opts.instrument_xray.is_some() && !sess.target.options.supports_xray {
sess.dcx().emit_err(errors::InstrumentationNotSupported { us: "XRay".to_string() });
}