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/* SPDX-License-Identifier: GPL-2.0 */
.global sys32_helper
sys32_helper:
/* Args: syscall_args_32*, function pointer */
pushl %ebp
pushl %ebx
pushl %esi
pushl %edi
movl 5*4(%esp), %eax /* pointer to args struct */
movl 1*4(%eax), %ebx
movl 2*4(%eax), %ecx
movl 3*4(%eax), %edx
movl 4*4(%eax), %esi
movl 5*4(%eax), %edi
movl 6*4(%eax), %ebp
movl 0*4(%eax), %eax
call *(6*4)(%esp) /* Do the syscall */
/* Now we need to recover without losing any reg values */
pushl %eax
movl 6*4(%esp), %eax
popl 0*4(%eax)
movl %ebx, 1*4(%eax)
movl %ecx, 2*4(%eax)
movl %edx, 3*4(%eax)
movl %esi, 4*4(%eax)
movl %edi, 5*4(%eax)
movl %ebp, 6*4(%eax)
popl %edi
popl %esi
popl %ebx
popl %ebp
ret
.type sys32_helper, @function
.size sys32_helper, .-sys32_helper
.global int80_and_ret
int80_and_ret:
int $0x80
ret
.type int80_and_ret, @function
.size int80_and_ret, .-int80_and_ret
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