projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 7d1948c3 C |
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 |