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a functional windows surgical linker

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Folkert 2022-09-22 21:28:27 +02:00
parent 466b5d78cb
commit 1c95fd3761
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GPG key ID: 1F17F6FFD112B97C
3 changed files with 417 additions and 32 deletions
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43
crates/linker/src/lib.rs
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@ -473,6 +473,20 @@ pub fn preprocess(
println!("Targeting: {}", target);
}
if let target_lexicon::BinaryFormat::Coff = target.binary_format {
crate::pe::preprocess_windows(
exec_filename,
Path::new(metadata_filename),
Path::new(out_filename),
shared_lib,
verbose,
time,
)
.unwrap_or_else(|e| internal_error!("{}", e));
return;
}
let total_start = Instant::now();
let exec_parsing_start = total_start;
let exec_file = fs::File::open(exec_filename).unwrap_or_else(|e| internal_error!("{}", e));
@ -1975,6 +1989,23 @@ pub fn surgery(
time: bool,
target: &Triple,
) {
let app_parsing_start = Instant::now();
let app_file = fs::File::open(app_filename).unwrap_or_else(|e| internal_error!("{}", e));
let app_mmap = unsafe { Mmap::map(&app_file).unwrap_or_else(|e| internal_error!("{}", e)) };
let app_data = &*app_mmap;
let app_obj = match object::File::parse(app_data) {
Ok(obj) => obj,
Err(err) => {
internal_error!("Failed to parse application file: {}", err);
}
};
let app_parsing_duration = app_parsing_start.elapsed();
if let target_lexicon::BinaryFormat::Coff = target.binary_format {
return crate::pe::surgery_pe(out_filename, metadata_filename, app_data, verbose);
}
let total_start = Instant::now();
let loading_metadata_start = total_start;
let md: metadata::Metadata = {
@ -1989,18 +2020,6 @@ pub fn surgery(
};
let loading_metadata_duration = loading_metadata_start.elapsed();
let app_parsing_start = Instant::now();
let app_file = fs::File::open(app_filename).unwrap_or_else(|e| internal_error!("{}", e));
let app_mmap = unsafe { Mmap::map(&app_file).unwrap_or_else(|e| internal_error!("{}", e)) };
let app_data = &*app_mmap;
let app_obj = match object::File::parse(app_data) {
Ok(obj) => obj,
Err(err) => {
internal_error!("Failed to parse application file: {}", err);
}
};
let app_parsing_duration = app_parsing_start.elapsed();
let load_and_mmap_start = Instant::now();
let exec_file = fs::OpenOptions::new()
.read(true)