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LibELF: Unmap and close the main executable after dynamic load

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We don't need to keep the whole main executable in memory after
completing the dynamic loading process. We can also close the fd.
This commit is contained in:
Andreas Kling 2021-02-13 13:46:20 +01:00
parent 5b891b0c36
commit 40a5487bab
Notes: sideshowbarker 2024-07-18 22:22:08 +09:00
2 changed files with 14 additions and 3 deletions
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10
Userland/Libraries/LibELF/DynamicLoader.cpp
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@ -87,8 +87,14 @@ DynamicLoader::DynamicLoader(int fd, String filename, void* data, size_t size)
DynamicLoader::~DynamicLoader()
{
munmap(m_file_data, m_file_size);
close(m_image_fd);
if (munmap(m_file_data, m_file_size) < 0) {
perror("munmap");
ASSERT_NOT_REACHED();
}
if (close(m_image_fd) < 0) {
perror("close");
ASSERT_NOT_REACHED();
}
}
const DynamicObject& DynamicLoader::dynamic_object() const