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LibELF: Use shared memory mapping when loading ELF objects

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There's no reason to make a private read-only mapping just for reading
(and validating) the ELF headers, and copying out the data segments.
This commit is contained in:
Andreas Kling 2022-01-15 17:06:11 +01:00
parent 8e0387e674
commit c482508aa1
Notes: sideshowbarker 2024-07-17 20:51:33 +09:00
1 changed files with 1 additions and 1 deletions
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Userland/Libraries/LibELF/DynamicLoader.cpp
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@ -49,7 +49,7 @@ Result<NonnullRefPtr<DynamicLoader>, DlErrorMessage> DynamicLoader::try_create(i
return DlErrorMessage { String::formatted("File {} has invalid ELF header", filename) };
String file_mmap_name = String::formatted("ELF_DYN: {}", filename);
auto* data = mmap_with_name(nullptr, size, PROT_READ, MAP_PRIVATE, fd, 0, file_mmap_name.characters());
auto* data = mmap_with_name(nullptr, size, PROT_READ, MAP_SHARED, fd, 0, file_mmap_name.characters());
if (data == MAP_FAILED) {
return DlErrorMessage { "DynamicLoader::try_create mmap" };
}