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Kernel: Set TLS-related members of Process after loading static program

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We previously ignored these values in the return value of
load_elf_object, which causes us to not allocate a TLS region for
statically-linked programs.
This commit is contained in:
Itamar 2021-03-15 21:56:13 +02:00 • committed by Andreas Kling
parent 4cb38f6dd8
commit 2365e06b12
2 changed files with 9 additions and 1 deletions
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4
Kernel/Thread.cpp
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@ -1005,7 +1005,7 @@ size_t Thread::thread_specific_region_size() const
KResult Thread::make_thread_specific_region(Badge<Process>)
{
// The process may not require a TLS region
// The process may not require a TLS region, or allocate TLS later with sys$allocate_tls (which is what dynamically loaded programs do)
if (!process().m_master_tls_region)
return KSuccess;
@ -1022,8 +1022,10 @@ KResult Thread::make_thread_specific_region(Badge<Process>)
auto* thread_local_storage = (u8*)((u8*)thread_specific_data) - align_up_to(process().m_master_tls_size, process().m_master_tls_alignment);
m_thread_specific_data = VirtualAddress(thread_specific_data);
thread_specific_data->self = thread_specific_data;
if (process().m_master_tls_size)
memcpy(thread_local_storage, process().m_master_tls_region.unsafe_ptr()->vaddr().as_ptr(), process().m_master_tls_size);
return KSuccess;
}