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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
|
|
