diff options
Diffstat (limited to 'REORG.TODO/sysdeps/powerpc/powerpc64/ppc-mcount.S')
| -rw-r--r-- | REORG.TODO/sysdeps/powerpc/powerpc64/ppc-mcount.S | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/powerpc/powerpc64/ppc-mcount.S b/REORG.TODO/sysdeps/powerpc/powerpc64/ppc-mcount.S new file mode 100644 index 0000000000..8312f46644 --- /dev/null +++ b/REORG.TODO/sysdeps/powerpc/powerpc64/ppc-mcount.S @@ -0,0 +1,39 @@ +/* PowerPC64-specific implementation of profiling support. + Copyright (C) 1997-2017 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) + stdu r1,-FRAME_MIN_SIZE(r1) + cfi_adjust_cfa_offset (FRAME_MIN_SIZE) + std r4, FRAME_MIN_SIZE+FRAME_LR_SAVE(r1) + cfi_offset (lr, FRAME_LR_SAVE) + ld r3, FRAME_LR_SAVE(r11) + bl JUMPTARGET(__mcount_internal) + nop + ld r0, FRAME_MIN_SIZE+FRAME_LR_SAVE(r1) + mtlr r0 + addi r1,r1,FRAME_MIN_SIZE + blr +END(_mcount) + |