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Kernel+LibPthread: Add support for usermode threads on x86_64

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Gunnar Beutner 2021-07-01 11:15:00 +02:00 • committed by Andreas Kling
parent 93c741018e
commit 16b9a2d2e1
3 changed files with 21 additions and 8 deletions
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7
Userland/Libraries/LibPthread/pthread.cpp
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@ -71,10 +71,17 @@ static int create_thread(pthread_t* thread, void* (*entry)(void*), void* argumen
while (((uintptr_t)stack - 16) % 16 != 0)
push_on_stack(nullptr);
#if ARCH(I386)
push_on_stack((void*)(uintptr_t)thread_params->stack_size);
push_on_stack(thread_params->stack_location);
push_on_stack(argument);
push_on_stack((void*)entry);
#else
thread_params->rdi = (FlatPtr)entry;
thread_params->rsi = (FlatPtr)argument;
thread_params->rdx = (FlatPtr)thread_params->stack_location;
thread_params->rcx = thread_params->stack_size;
#endif
VERIFY((uintptr_t)stack % 16 == 0);
// Push a fake return address