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Kernel: Implement TLS support for x86_64

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Gunnar Beutner 2021-07-03 00:25:44 +02:00 • committed by Andreas Kling
parent 04a912f68f
commit c51b49a8cb
2 changed files with 6 additions and 1 deletions
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4
Kernel/Syscalls/mmap.cpp
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@ -6,6 +6,7 @@
*/
#include <Kernel/Arch/x86/InterruptDisabler.h>
#include <Kernel/Arch/x86/MSR.h>
#include <Kernel/Arch/x86/SmapDisabler.h>
#include <Kernel/FileSystem/FileDescription.h>
#include <Kernel/PerformanceEventBuffer.h>
@ -618,7 +619,8 @@ KResultOr<FlatPtr> Process::sys$allocate_tls(Userspace<const char*> initial_data
tls_descriptor.set_base(main_thread->thread_specific_data());
tls_descriptor.set_limit(main_thread->thread_specific_region_size());
#else
dbgln("FIXME: Not setting FS_BASE for process.");
MSR fs_base_msr(MSR_FS_BASE);
fs_base_msr.set(main_thread->thread_specific_data().get());
#endif
return m_master_tls_region.unsafe_ptr()->vaddr().get();