| #include <sys/linux-syscalls.h> |
| |
| .text |
| |
| /* |
| * int __pthread_clone(int (*fn)(void*), void *tls, int flags, |
| * void *arg); |
| */ |
| .globl __pthread_clone |
| .type __pthread_clone, @function |
| .align 4 |
| __pthread_clone: |
| pushl %ebx |
| pushl %ecx |
| movl 16(%esp), %ecx |
| movl 20(%esp), %ebx |
| |
| # insert arguments onto the child stack |
| movl 12(%esp), %eax |
| movl %eax, -12(%ecx) |
| movl 24(%esp), %eax |
| movl %eax, -8(%ecx) |
| movl %ecx, -4(%ecx) |
| |
| movl $__NR_clone, %eax |
| int $0x80 |
| test %eax, %eax |
| jns 1f |
| |
| # an error occured, set errno and return -1 |
| negl %eax |
| call __set_errno |
| orl $-1, %eax |
| jmp 2f |
| |
| 1: |
| jnz 2f |
| |
| # we're in the child thread now, call __thread_entry |
| # with the appropriate arguments on the child stack |
| # we already placed most of them |
| subl $16, %esp |
| jmp __thread_entry |
| hlt |
| |
| 2: |
| popl %ecx |
| popl %ebx |
| ret |
| |
| /* XXX: TODO: Add __bionic_clone here |
| * See bionic/bionic_clone.c and arch-arm/bionic/clone.S |
| * for more details... |
| */ |
