分类： LINUX
2010-02-17 10:17:12
| Register | Alt. Name | Usage |
| r0 | a1 |
First function argument Integer function result Scratch register |
| r1 | a2 |
Second function argument Scratch register |
| r2 | a3 |
Third function argument Scratch register |
| r3 | a4 |
Fourth function argument Scratch register |
| r4 | v1 | Register variable |
| r5 | v2 | Register variable |
| r6 | v3 | Register variable |
| r7 | v4 | Register variable |
| r8 | v5 | Register variable |
| r9 |
v6 rfp |
Register variable Real frame pointer |
| r10 | sl | Stack limit |
| r11 | fp | Argument pointer |
| r12 | ip | Temporary workspace |
| r13 | sp | Stack pointer |
| r14 | lr |
Link register Workspace |
| r15 | pc | Program counter |
