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#include "syscalls.h"
#include <errno.h>
#include "dietwarning.h"
.text
.type clone,@function
.weak clone
clone:
.type __clone,@function
.global __clone
__clone:
movl $-EINVAL,%eax
testq %rdi,%rdi /* have non null thread_funcion */
jz .Lclone_error
testq %rsi,%rsi /* have non null child_stack pointer */
jz .Lclone_error
/* put the parameters on thread stack */
subq $16,%rsi
movq %rcx,8(%rsi) /* thread parameter */
movq %rdi,0(%rsi) /* thread function */
/* syscall */
movq %rdx,%rdi
movl $__NR_clone,%eax
syscall
cmpl $0,%eax
jl .Lclone_error
jne .Lreturn
.thread_start:
/* call thread function */
popq %rax
popq %rdi
call *%rax
/* exit a thread */
movq %rax,%rdi
#ifdef PIC
jmp _exit@PLT
#else
jmp _exit
#endif
.Lclone_error:
/* set errno */
negl %eax
pushq %rax
#ifdef PIC
call __errno_location@PLT
#else
call __errno_location
#endif
popq %rcx
movl %ecx,(%rax)
orq $-1, %rax
.Lreturn:
/* just return */
ret
link_warning("clone", "warning: clone() not yet tested")
link_warning("__clone", "warning: clone() not yet tested")
//link_warning("clone", "warning: clone() not yet implemented")
//link_warning("__clone", "warning: clone() not yet implemented")
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