| /* PowerPC64-specific implementation of profiling support. |
| Copyright (C) 1997-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <sysdep.h> |
| /* We don't need to save the parameter-passing registers as gcc takes |
| care of that for us. Thus this function looks fairly normal. |
| In fact, the generic code would work for us. */ |
| |
| ENTRY(_mcount) |
| mflr r4 |
| ld r11, 0(r1) |
| std r4, FRAME_LR_SAVE(r1) |
| stdu r1,-FRAME_MIN_SIZE(r1) |
| cfi_adjust_cfa_offset (FRAME_MIN_SIZE) |
| cfi_offset (lr, FRAME_LR_SAVE) |
| ld r3, FRAME_LR_SAVE(r11) |
| bl JUMPTARGET(__mcount_internal) |
| #ifndef SHARED |
| nop |
| #endif |
| ld r0, FRAME_MIN_SIZE+FRAME_LR_SAVE(r1) |
| mtlr r0 |
| addi r1,r1,FRAME_MIN_SIZE |
| blr |
| END(_mcount) |
| |