diff options
Diffstat (limited to 'sysdeps/sh')
| -rw-r--r-- | sysdeps/sh/Makefile | 3 | ||||
| -rw-r--r-- | sysdeps/sh/_mcount.S | 67 | ||||
| -rw-r--r-- | sysdeps/sh/machine-gmon.h | 2 | ||||
| -rw-r--r-- | sysdeps/sh/sysdep.h | 10 |
4 files changed, 79 insertions, 3 deletions
diff --git a/sysdeps/sh/Makefile b/sysdeps/sh/Makefile new file mode 100644 index 0000000000..cf18dedc45 --- /dev/null +++ b/sysdeps/sh/Makefile @@ -0,0 +1,3 @@ +ifeq ($(subdir),gmon) +sysdep_routines += _mcount +endif diff --git a/sysdeps/sh/_mcount.S b/sysdeps/sh/_mcount.S new file mode 100644 index 0000000000..1e7a1d95c9 --- /dev/null +++ b/sysdeps/sh/_mcount.S @@ -0,0 +1,67 @@ +/* Machine-specific calling sequence for `mcount' profiling function. SuperH + Copyright (C) 2001 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sysdep.h> + + ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(_mcount) + ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(_mcount),function) + .align 5 +C_LABEL(_mcount) + /* Save registers. */ + mov.l r4,@-r15 + mov.l r5,@-r15 + mov.l r6,@-r15 + mov.l r7,@-r15 + sts.l pr,@-r15 + + 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 + mov.l @r15+,r7 + mov.l @r15+,r6 + mov.l @r15+,r5 + rts + mov.l @r15+,r4 + + .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 +ASM_SIZE_DIRECTIVE(C_SYMBOL_NAME(_mcount)) + +#undef mcount +weak_alias (_mcount, mcount) diff --git a/sysdeps/sh/machine-gmon.h b/sysdeps/sh/machine-gmon.h index 5ba944bbfd..46c7b191ad 100644 --- a/sysdeps/sh/machine-gmon.h +++ b/sysdeps/sh/machine-gmon.h @@ -17,8 +17,6 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -/* NOTYET */ - /* We must not pollute the global namespace. */ #define mcount_internal __mcount_internal diff --git a/sysdeps/sh/sysdep.h b/sysdeps/sh/sysdep.h index 2e1e380908..202c701a10 100644 --- a/sysdeps/sh/sysdep.h +++ b/sysdeps/sh/sysdep.h @@ -60,7 +60,15 @@ /* If compiled for profiling, call `mcount' at the start of each function. */ #ifdef PROF -#define CALL_MCOUNT /* NOTYET */ +#define CALL_MCOUNT \ + mov.l 1f,r1; \ + sts.l pr,@-r15; \ + mova 2f,r0; \ + jmp @r1; \ + lds r0,pr; \ + .align 2; \ +1: .long mcount; \ +2: lds.l @r15+,pr #else #define CALL_MCOUNT /* Do nothing. */ #endif |