| 1 | /* |
| 2 | * mprof |
| 3 | * md.s 1.2 8/17/90 16:22:14 |
| 4 | * Copyright (c) 1988, Benjamin G. Zorn |
| 5 | * |
| 6 | * Machine dependent part. |
| 7 | */ |
| 8 | |
| 9 | #ifdef sun4 |
| 10 | #include <sun4/trap.h> |
| 11 | |
| 12 | /* |
| 13 | * This is severly misnamed, since we're really getting the sp, not |
| 14 | * the fp. But we don't want to contort the logic of the rest of the |
| 15 | * program, so here we are. |
| 16 | */ |
| 17 | .global _get_current_fp |
| 18 | _get_current_fp: |
| 19 | ta ST_FLUSH_WINDOWS /* we're going to walk the stack */ |
| 20 | retl |
| 21 | mov %sp,%o0 |
| 22 | |
| 23 | #endif sun4 |
| 24 | |
| 25 | #ifdef mips |
| 26 | # 3 extern int intloc; |
| 27 | # 4 |
| 28 | .extern intloc 4 |
| 29 | .text |
| 30 | .align 2 |
| 31 | .file 2 "md.s" |
| 32 | # 1 /* place register 31 in location intloc */ |
| 33 | # 2 |
| 34 | .globl get31 |
| 35 | .ent get31 |
| 36 | get31: |
| 37 | .frame $sp, 0, $31 |
| 38 | sw $31, intloc |
| 39 | j $31 |
| 40 | .end get31 |
| 41 | |
| 42 | .text |
| 43 | .align 2 |
| 44 | # 1 /* get the sp of the caller */ |
| 45 | # 2 |
| 46 | .globl getsp |
| 47 | .ent getsp |
| 48 | getsp: |
| 49 | .frame $sp, 0, $31 |
| 50 | sw $sp, intloc |
| 51 | j $31 |
| 52 | .end getsp |
| 53 | #endif |