diff options
Diffstat (limited to 'asm/task.s')
| -rw-r--r-- | asm/task.s | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/asm/task.s b/asm/task.s deleted file mode 100644 index bf80025..0000000 --- a/asm/task.s +++ /dev/null @@ -1,114 +0,0 @@ -.global task_pusha - -task_pusha: - - pushf - push $0x8 // code segment - push $userfunc - - push $0x666 - push $0x0 - - pusha - - push %ds - push %es - push %fs - push %gs - - /* - - now stack looks like: - - param // esp+72 - returnaddy - - eflags - code segment - userfunc - - 0x666 - - eax // rest by popa - ecx - edx - ebx - esp - ebp - esi - edi - - ds - es - fs - gs - - */ - - mov 72(%esp),%eax // get address of alternative stack where we want to simulate the pusha happened - - mov (%esp),%ecx - mov %ecx,(%eax) - - mov 4(%esp),%ecx - mov %ecx,4(%eax) - - mov 8(%esp),%ecx - mov %ecx,8(%eax) - - mov 12(%esp),%ecx - mov %ecx,12(%eax) - - mov 16(%esp),%ecx - mov %ecx,16(%eax) - - mov 20(%esp),%ecx - mov %ecx,20(%eax) - - mov 24(%esp),%ecx - mov %ecx,24(%eax) - - mov 28(%esp),%ecx - mov %ecx,28(%eax) - - mov 32(%esp),%ecx - mov %ecx,32(%eax) - - mov 36(%esp),%ecx - mov %ecx,36(%eax) - - mov 40(%esp),%ecx - mov %ecx,40(%eax) - - mov 44(%esp),%ecx - mov %ecx,44(%eax) - - mov 48(%esp),%ecx - mov %ecx,48(%eax) - - mov 52(%esp),%ecx - mov %ecx,52(%eax) - - mov 56(%esp),%ecx - mov %ecx,56(%eax) - - mov 60(%esp),%ecx - mov %ecx,60(%eax) - - mov 64(%esp),%ecx - mov %ecx,64(%eax) - - pop %gs - pop %fs - pop %es - pop %ds - - popa - - pop %eax - pop %eax - pop %eax - pop %eax - pop %eax - - ret |