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Kernel: Mark read-only PT_LOAD mappings as shared regions

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This makes Region::clone() do the right thing for these now that we
differentiate based on Region::is_shared().
This commit is contained in:
Andreas Kling 2020-03-01 21:25:23 +01:00
parent ecfde5997b
commit 5c2a296a49
Notes: sideshowbarker 2024-07-19 08:56:48 +09:00
1 changed files with 3 additions and 1 deletions
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4
Kernel/Process.cpp
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@ -887,8 +887,10 @@ int Process::do_exec(NonnullRefPtr<FileDescription> main_program_description, Ve
prot |= PROT_WRITE;
if (is_executable)
prot |= PROT_EXEC;
if (auto* region = allocate_region_with_vmobject(vaddr.offset(totally_random_offset), size, *vmobject, offset_in_image, String(name), prot))
if (auto* region = allocate_region_with_vmobject(vaddr.offset(totally_random_offset), size, *vmobject, offset_in_image, String(name), prot)) {
region->set_shared(true);
return region->vaddr().as_ptr();
}
return nullptr;
};
loader->alloc_section_hook = [&](VirtualAddress vaddr, size_t size, size_t alignment, bool is_readable, bool is_writable, const String& name) -> u8* {