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DynamicLoader: Pass MAP_FIXED to mmap() where applicable

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Otherwise the kernel is free to allocate a different address.
This commit is contained in:
Andreas Kling 2021-01-27 20:49:56 +01:00
parent 5ab27e4bdc
commit 67bc5e0bbd
1 changed files with 2 additions and 2 deletions
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4
Userland/Libraries/LibELF/DynamicLoader.cpp
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@ -276,7 +276,7 @@ void DynamicLoader::load_program_headers()
requested_load_address,
region->required_load_size(),
region->mmap_prot(),
MAP_SHARED,
MAP_SHARED | MAP_FIXED,
m_image_fd,
region->offset(),
String::formatted("{}: .text", m_filename).characters());
@ -297,7 +297,7 @@ void DynamicLoader::load_program_headers()
(u8*)text_segment_begin + m_text_segment_size,
region->required_load_size(),
region->mmap_prot(),
MAP_ANONYMOUS | MAP_PRIVATE,
MAP_ANONYMOUS | MAP_PRIVATE | MAP_FIXED,
0,
0,
String::formatted("{}: .data", m_filename).characters());