flowey_lib_hvlite/
run_split_debug_info.rs

1// Copyright (c) Microsoft Corporation.
2// Licensed under the MIT License.
3
4//! Splits debug info from a binary into a separate file using `objcopy`
5
6use crate::run_cargo_build::common::CommonArch;
7use flowey::node::prelude::*;
8
9flowey_request! {
10    pub struct Request {
11        pub arch: CommonArch,
12        pub in_bin: ReadVar<PathBuf>,
13        pub out_bin: WriteVar<PathBuf>,
14        pub out_dbg_info: WriteVar<PathBuf>,
15    }
16}
17
18new_simple_flow_node!(struct Node);
19
20impl SimpleFlowNode for Node {
21    type Request = Request;
22
23    fn imports(ctx: &mut ImportCtx<'_>) {
24        ctx.import::<flowey_lib_common::install_dist_pkg::Node>();
25    }
26
27    fn process_request(request: Self::Request, ctx: &mut NodeCtx<'_>) -> anyhow::Result<()> {
28        let Request {
29            arch,
30            in_bin,
31            out_bin,
32            out_dbg_info,
33        } = request;
34
35        let platform = ctx.platform();
36        let arch_str = match arch {
37            CommonArch::X86_64 => match platform {
38                FlowPlatform::Linux(linux_distribution) => match linux_distribution {
39                    FlowPlatformLinuxDistro::Fedora => "x86_64",
40                    FlowPlatformLinuxDistro::Ubuntu => "x86-64",
41                    FlowPlatformLinuxDistro::Unknown => anyhow::bail!("Unknown Linux distribution"),
42                },
43                _ => anyhow::bail!("Unsupported platform"),
44            },
45            CommonArch::Aarch64 => "aarch64",
46        };
47
48        let installed_objcopy =
49            ctx.reqv(
50                |side_effect| flowey_lib_common::install_dist_pkg::Request::Install {
51                    package_names: vec![format!("binutils-{arch_str}-linux-gnu")],
52                    done: side_effect,
53                },
54            );
55
56        ctx.emit_rust_step("split debug symbols", |ctx| {
57            installed_objcopy.clone().claim(ctx);
58            let in_bin = in_bin.claim(ctx);
59            let out_bin = out_bin.claim(ctx);
60            let out_dbg_info = out_dbg_info.claim(ctx);
61            move |rt| {
62                let in_bin = rt.read(in_bin);
63
64                let sh = xshell::Shell::new()?;
65                let output = sh.current_dir().join(in_bin.file_name().unwrap());
66                let objcopy = format!("{}-linux-gnu-objcopy", arch.as_arch());
67                xshell::cmd!(sh, "{objcopy} --only-keep-debug {in_bin} {output}.dbg").run()?;
68                xshell::cmd!(
69                    sh,
70                    "{objcopy} --strip-all --keep-section=.build_info --add-gnu-debuglink={output}.dbg {in_bin} {output}"
71                )
72                .run()?;
73
74                let output = output.absolute()?;
75
76                rt.write(out_bin, &output);
77                rt.write(out_dbg_info, &output.with_extension("dbg"));
78
79                Ok(())
80            }
81        });
82
83        Ok(())
84    }
85}
flowey_lib_hvlite/run_split_debug_info.rs

flowey_lib_hvlite/
run_split_debug_info.rs
