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authorUlrich Drepper <drepper@redhat.com>2001-12-12 18:06:59 +0000
committerUlrich Drepper <drepper@redhat.com>2001-12-12 18:06:59 +0000
commit2bfe5fd1138ee5884605af7f346f74f0fb442211 (patch)
treea3338c711d0a40a0ee690b07397fc67f774adda3 /sysdeps/sh
parent0a9b637e8ae475e1976ed3f94e40eb9626a5c58b (diff)
downloadglibc-2bfe5fd1138ee5884605af7f346f74f0fb442211.tar.gz
Update.
2001-12-12 NIIBE Yutaka <gniibe@m17n.org> * sysdeps/sh/Makefile: New file. * sysdeps/sh/_mcount.S: New file. * sysdeps/sh/sysdep.h (CALL_MCOUNT): Implemented. * sysdeps/sh/machine-gmon.h: Remove "NOTYET" comment, as we are ready.
Diffstat (limited to 'sysdeps/sh')
-rw-r--r--sysdeps/sh/Makefile3
-rw-r--r--sysdeps/sh/_mcount.S67
-rw-r--r--sysdeps/sh/machine-gmon.h2
-rw-r--r--sysdeps/sh/sysdep.h10
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