source:
trunk/enter.asm
| Last change on this file was 26, checked in by , 12 years ago | |
|---|---|
| File size: 418 bytes | |
| Rev | Line | |
|---|---|---|
| [2] | 1 | section .text |
| 2 | global enter_section | |
| 3 | ||
| 4 | enter_section: | |
| 5 | enter 0, 0 ; 0 bytes of local stack space | |
| 6 | mov ebx,[ebp+8] ; first parameter to function | |
| 7 | ||
| [26] | 8 | |
| 9 | ;; bts bitbase bitoffset | |
| 10 | ;; selects the bitoffset bit in bitbase, | |
| 11 | ;; stores the value in the CF flag, and sets the bit to 1 | |
| [2] | 12 | spin: lock bts dword [ebx], 0 |
| 13 | jc spin | |
| 14 | ||
| 15 | leave ; mov esp,ebp / pop ebp | |
| 16 | ret | |
| 17 |
Note:
See TracBrowser
for help on using the repository browser.