diff options
Diffstat (limited to 'swtch.S')
| -rw-r--r-- | swtch.S | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/swtch.S b/swtch.S deleted file mode 100644 index 7b42dc7..0000000 --- a/swtch.S +++ /dev/null @@ -1,37 +0,0 @@ -.globl setjmp -setjmp: - movl 4(%esp), %eax - - movl %ebx, 0(%eax) - movl %ecx, 4(%eax) - movl %edx, 8(%eax) - movl %esi, 12(%eax) - movl %edi, 16(%eax) - movl %esp, 20(%eax) - movl %ebp, 24(%eax) - pushl 0(%esp) /* %eip */ - popl 28(%eax) - - movl $0, %eax /* return value */ - ret - -.globl longjmp -longjmp: - movl 4(%esp), %eax - - movl 0(%eax), %ebx - movl 4(%eax), %ecx - movl 8(%eax), %edx - movl 12(%eax), %esi - movl 16(%eax), %edi - movl 20(%eax), %esp - movl 24(%eax), %ebp - - addl $4, %esp /* pop %eip into thin air */ - pushl 28(%eax) /* push new %eip */ - - movl $1, %eax /* return value (appears to come from setjmp!) */ - ret - - - |