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use mmap

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This commit is contained in:
Folkert 2022-09-23 00:06:57 +02:00
parent 56bf57dab1
commit 2631970851
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GPG key ID: 1F17F6FFD112B97C
1 changed files with 6 additions and 5 deletions
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11
crates/linker/src/pe.rs
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@ -60,7 +60,7 @@ pub(crate) fn preprocess_windows(
let exec_file = std::fs::File::open(exec_filename).unwrap_or_else(|e| internal_error!("{}", e));
let exec_mmap = unsafe { Mmap::map(&exec_file).unwrap_or_else(|e| internal_error!("{}", e)) };
let exec_data = &*exec_mmap;
let exec_obj = match object::read::pe::PeFile64::parse(exec_data) {
let _exec_obj = match object::read::pe::PeFile64::parse(exec_data) {
Ok(obj) => obj,
Err(err) => {
internal_error!("Failed to parse executable file: {}", err);
@ -71,10 +71,9 @@ pub(crate) fn preprocess_windows(
let data = std::fs::read(exec_filename).unwrap();
let new_sections = [*b".text\0\0\0", *b".rdata\0\0"];
increase_number_of_sections_help(&data, &new_sections, out_filename);
let executable = increase_number_of_sections_help(&data, &new_sections, out_filename);
let exec_data = std::fs::read(out_filename).unwrap();
let exec_data = exec_data.as_slice();
let exec_data: &[u8] = &*executable;
let exec_obj = match object::read::pe::PeFile64::parse(exec_data) {
Ok(obj) => obj,
Err(err) => {
@ -1025,7 +1024,7 @@ fn increase_number_of_sections_help(
input_data: &[u8],
new_sections: &[[u8; 8]],
output_file: &Path,
) {
) -> MmapMut {
use object::read::pe::ImageNtHeaders;
let dos_header = object::pe::ImageDosHeader::parse(input_data).unwrap();
@ -1065,6 +1064,8 @@ fn increase_number_of_sections_help(
.collect();
assert_eq!(new_sections, names.as_slice());
mmap
}
#[cfg(test)]