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Fix pthread stack alignment.

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This commit is contained in:
Jonas 'Sortie' Termansen 2016-04-21 21:57:57 +02:00
parent a80bc5d011
commit d9bb6da811
1 changed files with 4 additions and 8 deletions
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12
libc/pthread/pthread_create.c
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@ -81,15 +81,12 @@ static void setup_thread_state(struct pthread* thread, struct tfork* regs)
(unsigned long*) ((uint8_t*) thread->uthread.stack_mmap + (unsigned long*) ((uint8_t*) thread->uthread.stack_mmap +
thread->uthread.stack_size); thread->uthread.stack_size);
*--stack = 0; // rip=0 *--stack = 0; // Alignment.
*--stack = 0; // rbp=0
regs->ebp = (uintptr_t) stack;
*--stack = (unsigned long) thread; *--stack = (unsigned long) thread;
*--stack = 0; *--stack = 0; // rip=0
regs->esp = (uintptr_t) stack; regs->esp = (uintptr_t) stack;
regs->ebp = 0;
} }
#endif #endif
@ -111,10 +108,9 @@ static void setup_thread_state(struct pthread* thread, struct tfork* regs)
thread->uthread.stack_size); thread->uthread.stack_size);
*--stack = 0; // rip=0 *--stack = 0; // rip=0
*--stack = 0; // rbp=0
regs->rsp = (uintptr_t) stack; regs->rsp = (uintptr_t) stack;
regs->rbp = regs->rsp; regs->rbp = 0;
} }
#endif #endif