diff options
Diffstat (limited to 'REORG.TODO/sysdeps/sh/_mcount.S')
| -rw-r--r-- | REORG.TODO/sysdeps/sh/_mcount.S | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/sh/_mcount.S b/REORG.TODO/sysdeps/sh/_mcount.S new file mode 100644 index 0000000000..1deee2ddad --- /dev/null +++ b/REORG.TODO/sysdeps/sh/_mcount.S @@ -0,0 +1,87 @@ +/* Machine-specific calling sequence for `mcount' profiling function. SuperH + Copyright (C) 2001-2017 Free Software Foundation, Inc. + Contributed by NIIBE Yutaka <gniibe@m17n.org> + 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> + + .globl C_SYMBOL_NAME(_mcount) + .type C_SYMBOL_NAME(_mcount),@function + cfi_startproc + .align 5 +C_LABEL(_mcount) + /* Save registers. */ + mov.l r4,@-r15 + cfi_adjust_cfa_offset (4) + cfi_rel_offset (r4, 0) + mov.l r5,@-r15 + cfi_adjust_cfa_offset (4) + cfi_rel_offset (r5, 0) + mov.l r6,@-r15 + cfi_adjust_cfa_offset (4) + cfi_rel_offset (r6, 0) + mov.l r7,@-r15 + cfi_adjust_cfa_offset (4) + cfi_rel_offset (r7, 0) + sts.l pr,@-r15 + cfi_adjust_cfa_offset (4) + cfi_rel_offset (pr, 0) + + mov.l @(20,r15),r4 + sts pr,r5 + +#ifdef SHARED + mov.l 0f,r1 + mova 0f,r0 + add r1,r0 + mov.l 1f,r1 + mov.l @(r0,r1),r1 +#else + mov.l 1f,r1 +#endif + jsr @r1 + nop + + /* Pop the saved registers. */ + lds.l @r15+,pr + cfi_adjust_cfa_offset (-4) + cfi_restore (pr) + mov.l @r15+,r7 + cfi_adjust_cfa_offset (-4) + cfi_restore (r7) + mov.l @r15+,r6 + cfi_adjust_cfa_offset (-4) + cfi_restore (r6) + mov.l @r15+,r5 + cfi_adjust_cfa_offset (-4) + cfi_restore (r5) + rts + mov.l @r15+,r4 + /* Omit CFI for restore in delay slot. */ + + .align 2 +#ifdef SHARED +0: .long _GLOBAL_OFFSET_TABLE_ +1: .long C_SYMBOL_NAME(__mcount_internal)@GOT +#else +1: .long C_SYMBOL_NAME(__mcount_internal) +#endif + cfi_endproc +ASM_SIZE_DIRECTIVE(C_SYMBOL_NAME(_mcount)) + +#undef mcount +weak_alias (_mcount, mcount) |