| rsc | d54ead7 | 2004-12-28 04:20:39 +0000 | [diff] [blame] | 1 | .globl _tas |
| 2 | _tas: | ||||
| 3 | movl $0xCAFEBABE, %eax | ||||
| 4 | movl 4(%esp), %ecx | ||||
| 5 | xchgl %eax, 0(%ecx) | ||||
| 6 | ret | ||||
| 7 | |||||
| 8 | .globl setmcontext | ||||
| 9 | setmcontext: | ||||
| 10 | movl 4(%esp), %edx | ||||
| 11 | movl 8(%edx), %fs | ||||
| 12 | movl 12(%edx), %es | ||||
| 13 | movl 16(%edx), %ds | ||||
| 14 | movl 76(%edx), %ss | ||||
| 15 | movl 20(%edx), %edi | ||||
| 16 | movl 24(%edx), %esi | ||||
| 17 | movl 28(%edx), %ebp | ||||
| 18 | movl %esp, %ecx | ||||
| 19 | movl 72(%edx), %esp | ||||
| 20 | pushl 60(%edx) /* eip */ | ||||
| 21 | pushl 44(%edx) /* ecx */ | ||||
| 22 | pushl 48(%edx) /* eax */ | ||||
| 23 | movl 36(%edx), %ebx | ||||
| 24 | movl 40(%edx), %edx | ||||
| 25 | movl 12(%ecx), %eax | ||||
| 26 | popl %eax | ||||
| 27 | popl %ecx | ||||
| 28 | ret | ||||
| 29 | |||||
| 30 | .globl getmcontext | ||||
| 31 | getmcontext: | ||||
| 32 | pushl %edx | ||||
| 33 | movl 8(%esp), %edx | ||||
| 34 | movl %fs, 8(%edx) | ||||
| 35 | movl %es, 12(%edx) | ||||
| 36 | movl %ds, 16(%edx) | ||||
| 37 | movl %ss, 76(%edx) | ||||
| 38 | movl %edi, 20(%edx) | ||||
| 39 | movl %esi, 24(%edx) | ||||
| 40 | movl %ebp, 28(%edx) | ||||
| 41 | movl %ebx, 36(%edx) | ||||
| 42 | movl $1, 48(%edx) | ||||
| 43 | popl %eax | ||||
| 44 | movl %eax, 40(%edx) | ||||
| 45 | movl %ecx, 44(%edx) | ||||
| 46 | movl (%esp), %eax /* eip */ | ||||
| 47 | movl %eax, 60(%edx) | ||||
| 48 | movl %esp, %eax | ||||
| 49 | addl $4, %eax /* setmcontext will re-push the eip */ | ||||
| 50 | movl %eax, 72(%edx) | ||||
| 51 | movl 40(%edx), %edx | ||||
| 52 | xorl %eax, %eax | ||||
| 53 | ret | ||||
| 54 | |||||