| 1 | /* Copyright (C) 1997-2022 Free Software Foundation, Inc. |
|---|
| 2 | |
|---|
| 3 | This file is part of the GNU C Library. |
|---|
| 4 | |
|---|
| 5 | The GNU C Library is free software; you can redistribute it and/or |
|---|
| 6 | modify it under the terms of the GNU Lesser General Public License as |
|---|
| 7 | published by the Free Software Foundation; either version 2.1 of the |
|---|
| 8 | License, or (at your option) any later version. |
|---|
| 9 | |
|---|
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
|---|
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|---|
| 13 | Lesser General Public License for more details. |
|---|
| 14 | |
|---|
| 15 | You should have received a copy of the GNU Lesser General Public |
|---|
| 16 | License along with the GNU C Library. If not, see |
|---|
| 17 | <https://www.gnu.org/licenses/>. */ |
|---|
| 18 | |
|---|
| 19 | .global _mcount |
|---|
| 20 | .type _mcount, @function |
|---|
| 21 | _mcount: |
|---|
| 22 | # Save regs. |
|---|
| 23 | addik r1, r1,-4 * 24 |
|---|
| 24 | swi r31, r1, 4 * 23 |
|---|
| 25 | swi r30, r1, 4 * 22 |
|---|
| 26 | swi r29, r1, 4 * 21 |
|---|
| 27 | swi r28, r1, 4 * 20 |
|---|
| 28 | swi r27, r1, 4 * 19 |
|---|
| 29 | swi r26, r1, 4 * 18 |
|---|
| 30 | swi r25, r1, 4 * 17 |
|---|
| 31 | swi r24, r1, 4 * 16 |
|---|
| 32 | swi r23, r1, 4 * 15 |
|---|
| 33 | swi r22, r1, 4 * 14 |
|---|
| 34 | swi r21, r1, 4 * 13 |
|---|
| 35 | swi r20, r1, 4 * 12 |
|---|
| 36 | swi r19, r1, 4 * 11 |
|---|
| 37 | swi r15, r1, 4 * 10 |
|---|
| 38 | swi r12, r1, 4 * 9 |
|---|
| 39 | swi r11, r1, 4 * 8 |
|---|
| 40 | swi r10, r1, 4 * 7 |
|---|
| 41 | swi r8, r1, 4 * 6 |
|---|
| 42 | swi r7, r1, 4 * 5 |
|---|
| 43 | swi r6, r1, 4 * 4 |
|---|
| 44 | swi r5, r1, 4 * 3 |
|---|
| 45 | swi r4, r1, 4 * 2 |
|---|
| 46 | swi r3, r1, 4 * 1 |
|---|
| 47 | swi r2, r1, 4 * 0 |
|---|
| 48 | |
|---|
| 49 | #ifdef SHARED |
|---|
| 50 | mfs r20,rpc |
|---|
| 51 | addik r20,r20,_GLOBAL_OFFSET_TABLE_+8 |
|---|
| 52 | addk r6, r0, r15 # callee is in r15. |
|---|
| 53 | brlid r15, __mcount_internal@PLT |
|---|
| 54 | lwi r5, r1, 4 * 24 # caller is on the stack. |
|---|
| 55 | #else |
|---|
| 56 | # Pass from/to in r5 and r6. |
|---|
| 57 | addk r6, r0, r15 # callee is in r15. |
|---|
| 58 | bralid r15, __mcount_internal |
|---|
| 59 | lwi r5, r1, 4 * 24 # caller is on the stack. |
|---|
| 60 | #endif |
|---|
| 61 | |
|---|
| 62 | # Reload regs |
|---|
| 63 | lwi r31, r1, 4 * 23 |
|---|
| 64 | lwi r30, r1, 4 * 22 |
|---|
| 65 | lwi r29, r1, 4 * 21 |
|---|
| 66 | lwi r28, r1, 4 * 20 |
|---|
| 67 | lwi r27, r1, 4 * 19 |
|---|
| 68 | lwi r26, r1, 4 * 18 |
|---|
| 69 | lwi r25, r1, 4 * 17 |
|---|
| 70 | lwi r24, r1, 4 * 16 |
|---|
| 71 | lwi r23, r1, 4 * 15 |
|---|
| 72 | lwi r22, r1, 4 * 14 |
|---|
| 73 | lwi r21, r1, 4 * 13 |
|---|
| 74 | lwi r20, r1, 4 * 12 |
|---|
| 75 | lwi r19, r1, 4 * 11 |
|---|
| 76 | lwi r15, r1, 4 * 10 |
|---|
| 77 | lwi r12, r1, 4 * 9 |
|---|
| 78 | lwi r11, r1, 4 * 8 |
|---|
| 79 | lwi r10, r1, 4 * 7 |
|---|
| 80 | lwi r8, r1, 4 * 6 |
|---|
| 81 | lwi r7, r1, 4 * 5 |
|---|
| 82 | lwi r6, r1, 4 * 4 |
|---|
| 83 | lwi r5, r1, 4 * 3 |
|---|
| 84 | lwi r4, r1, 4 * 2 |
|---|
| 85 | lwi r3, r1, 4 * 1 |
|---|
| 86 | lwi r2, r1, 4 * 0 |
|---|
| 87 | |
|---|
| 88 | rtsd r15, 8 |
|---|
| 89 | addik r1, r1, 4 * 24 |
|---|
| 90 | |
|---|
| 91 | .size _mcount, . - _mcount |
|---|
| 92 | |
|---|
