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authorRoland McGrath <roland@gnu.org>1996-02-13 05:46:59 +0000
committerRoland McGrath <roland@gnu.org>1996-02-13 05:46:59 +0000
commitdbdb6189d5d66b165b4b502498572cbe7e78874e (patch)
treed59372fc7b4722490f8fffea719081e8cc704ab1
parentafced61c8f6efc37c3ebeb2f9032f516982b8f21 (diff)
downloadglibc-dbdb6189d5d66b165b4b502498572cbe7e78874e.tar.gz
Tue Feb 13 00:12:12 1996 Roland McGrath <roland@charlie-brown.gnu.ai.mit.edu>
* gmon/Makefile (headers): Remove machine-gmon.h. * sysdeps/stub/machine-gmon.h, sysdeps/i386/machine-gmon.h: Removed. * gmon/mcount.c [! NO_UNDERSCORES] (_mcount): Specify "mcount" as the asm name. (_mcount): Define normally, taking no args. Use __builtin_return_address to fetch PC values of caller and caller's caller. Tue Feb 13 00:12:12 1996 Roland McGrath <roland@charlie-brown.gnu.ai.mit.edu> * gmon/Makefile (headers): Remove machine-gmon.h. * sysdeps/stub/machine-gmon.h, sysdeps/i386/machine-gmon.h: Removed. * gmon/mcount.c [! NO_UNDERSCORES] (_mcount): Specify "mcount" as the asm name. (_mcount): Define normally, taking no args. Use __builtin_return_address to fetch PC values of caller and caller's caller. * Makerules: Rewrote rules to update libc archives of all flavors. Define separate specific rules for each flavor using o-iterator. * sysdeps/unix/Makefile: Include s-proto.d only ifdef subdir. Sat Feb 10 11:35:16 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Makerules (ar-symtab-name): New macro. Replace all occurences of __.SYMDEF by $(ar-symtab-name). * sysdeps/unix/sysv/Makefile (ar-symtab-name): Define as empty. * Makefile (configure, %/configure): Depend on aclocal.m4. * Make-dist (configure, %/configure): Likewise. * sysdeps/unix/Makefile: Include s-proto.d for its deps. * gmon/sys/gmon.h: Don't include machine-gmon.h; those defns are only needed in the implementation, not for any users. * time/northamerica: Updated from ADO 96c, new rules for Mexico in 1996.
-rw-r--r--ChangeLog32
-rw-r--r--Make-dist6
-rw-r--r--Makefile4
-rw-r--r--Makerules36
-rw-r--r--gmon/Makefile2
-rw-r--r--gmon/mcount.c30
-rw-r--r--gmon/sys/gmon.h1
-rw-r--r--sysdeps/i386/machine-gmon.h29
-rw-r--r--sysdeps/stub/machine-gmon.h30
-rw-r--r--sysdeps/unix/Makefile8
10 files changed, 93 insertions, 85 deletions
diff --git a/ChangeLog b/ChangeLog
index 3de8d3ed02..4e65832f38 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,37 @@
+Tue Feb 13 00:12:12 1996 Roland McGrath <roland@charlie-brown.gnu.ai.mit.edu>
+
+ * gmon/Makefile (headers): Remove machine-gmon.h.
+ * sysdeps/stub/machine-gmon.h, sysdeps/i386/machine-gmon.h: Removed.
+ * gmon/mcount.c [! NO_UNDERSCORES] (_mcount): Specify "mcount" as
+ the asm name.
+ (_mcount): Define normally, taking no args.
+ Use __builtin_return_address to fetch PC values of caller and caller's
+ caller.
+
+ * Makerules: Rewrote rules to update libc archives of all flavors.
+ Define separate specific rules for each flavor using o-iterator.
+
+ * sysdeps/unix/Makefile: Include s-proto.d only ifdef subdir.
+
+Sat Feb 10 11:35:16 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * Makerules (ar-symtab-name): New macro. Replace all occurences
+ of __.SYMDEF by $(ar-symtab-name).
+ * sysdeps/unix/sysv/Makefile (ar-symtab-name): Define as empty.
+
Mon Feb 12 03:10:41 1996 Roland McGrath <roland@charlie-brown.gnu.ai.mit.edu>
+ * Makefile (configure, %/configure): Depend on aclocal.m4.
+ * Make-dist (configure, %/configure): Likewise.
+
+ * sysdeps/unix/Makefile: Include s-proto.d for its deps.
+
+ * gmon/sys/gmon.h: Don't include machine-gmon.h; those defns are
+ only needed in the implementation, not for any users.
+
+ * time/northamerica: Updated from ADO 96c, new rules for Mexico in
+ 1996.
+
* sunrpc/pm_getport.c: #if 0 out gratuitous inclusion of <net/if.h>.
* sunrpc/pm_getmaps.c: Likewise.
diff --git a/Make-dist b/Make-dist
index e7ef2fba84..feb67d191d 100644
--- a/Make-dist
+++ b/Make-dist
@@ -1,4 +1,4 @@
-# Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
+# Copyright (C) 1991, 92, 93, 94, 95, 96 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
@@ -170,8 +170,8 @@ mv -f $@.new $@
test ! -d CVS || cvs commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@
endef
-configure: configure.in; $(autoconf-it)
-%/configure: %/configure.in; $(autoconf-it)
+configure: configure.in aclocal.m4; $(autoconf-it)
+%/configure: %/configure.in aclocal.m4; $(autoconf-it)
.PHONY: dist
dist: $(tardir).tar.gz $(tardir)-crypt.tar.gz
diff --git a/Makefile b/Makefile
index 0042e78052..a52d845859 100644
--- a/Makefile
+++ b/Makefile
@@ -36,8 +36,8 @@ mv -f $@.new $@
test ! -d CVS || cvs commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@
endef
-configure: configure.in; $(autoconf-it)
-%/configure: %/configure.in; $(autoconf-it)
+configure: configure.in aclocal.m4; $(autoconf-it)
+%/configure: %/configure.in aclocal.m4; $(autoconf-it)
include Makeconfig
diff --git a/Makerules b/Makerules
index f6848b76d5..439f18d3ff 100644
--- a/Makerules
+++ b/Makerules
@@ -65,6 +65,11 @@ endif
# Add -I switches to get the right sysdep directories.
# `+includes' in Makeconfig references $(+sysdep-includes).
+sysdep-includes := $(addprefix -I,$(+sysdep_dirs))
+
+# The name of the symbol table archive member. The default is suitable for
+# BSD style archives. It can be overridden in sysdep Makefiles when SYSV
+# style archive are used.
+ar-symtab-name = __.SYMDEF
# Include any system-specific makefiles.
@@ -349,7 +354,7 @@ ARFLAGS := r$(verbose)
lib: lib-noranlib $(foreach l,$(libtypes),$(patsubst %,$(common-objpfx)$l,c))
# Pattern rule for libraries: depend on the __.SYMDEF member updated by ranlib.
-lib%.a: lib%.a(__.SYMDEF) ;
+lib%.a: lib%.a($(ar-symtab-name)) ;
libobjs: $(foreach o,$(object-suffixes),\
$(common-objpfx)$(patsubst %,$(libtype$o),c)(\
@@ -392,21 +397,18 @@ endif
endif
-# Rules to update the __.SYMDEF member with ranlib.
-# To consolidate, each flavor library's __.SYMDEF member
-# depends on the imaginary intermediate file `symdef.SUFFIX',
-# where SUFFIX is that flavor's object suffix; then a pattern rule
-# "remakes" symdef.% depending on all the libc.a(foo.%) files in $(objects).
-$(common-objpfx)$(patsubst %,$(libtype.o),c)(__.SYMDEF): symdef.o
-$(common-objpfx)$(patsubst %,$(libtype.so),c)(__.SYMDEF): symdef.so
-$(common-objpfx)$(patsubst %,$(libtype.po),c)(__.SYMDEF): symdef.po
-$(common-objpfx)$(patsubst %,$(libtype.go),c)(__.SYMDEF): symdef.go
-symdef.%: $(foreach o,$(object-suffixes),\
- $(common-objpfx)$(patsubst %,$(libtype$o),c)(\
- $(patsubst $(objpfx)%.o,%.%,$(objects)))) \
- $(filter subdir_lib,$(firstword $(subdir) subdir_lib))
-# The last line above makes it also depend on subdir_lib for the parent.
- $(RANLIB) $(common-objpfx)$(patsubst %,$(libtype.$*),c)
+# Rules to update the $(ar-symtab-name) member with ranlib,
+# one for each object flavor.
+define o-iterator-doit
+$(common-objpfx)$(patsubst %,$(libtype$o),c)($(ar-symtab-name)): \
+ $(common-objpfx)$(patsubst %,$(libtype$o),c)(\
+ $(patsubst $(objpfx)%.o,%$o,$(objects))) \
+ $(filter subdir_lib,$(firstword $(subdir) subdir_lib)); \
+ $$(RANLIB) $$(common-objpfx)$$(patsubst %,$$(libtype$o),c)
+endef
+object-suffixes-left = $(object-suffixes)
+include $(o-iterator)
+
# This makes all the object files.
.PHONY: objects objs
@@ -613,7 +615,7 @@ check: tests
.PHONY: TAGS
TAGS: distinfo $(..)MakeTAGS
- $(MAKE) $(addprefix -f ,$^)
+ $(MAKE) $(addprefix -f ,$^) $@
.PHONY: echo-headers
echo-headers:
diff --git a/gmon/Makefile b/gmon/Makefile
index e44e3c75af..8fd25c6258 100644
--- a/gmon/Makefile
+++ b/gmon/Makefile
@@ -21,7 +21,7 @@
#
subdir := gmon
-headers := sys/gmon.h machine-gmon.h
+headers := sys/gmon.h
routines := gmon mcount profil
diff --git a/gmon/mcount.c b/gmon/mcount.c
index 523217d1d2..ac3584d4a5 100644
--- a/gmon/mcount.c
+++ b/gmon/mcount.c
@@ -48,14 +48,38 @@ static char sccsid[] = "@(#)mcount.c 8.1 (Berkeley) 6/4/93";
* _mcount updates data structures that represent traversals of the
* program's call graph edges. frompc and selfpc are the return
* address and function address that represents the given call graph edge.
- *
+ *
* Note: the original BSD code used the same variable (frompcindex) for
* both frompcindex and frompc. Any reasonable, modern compiler will
* perform this optimization.
*/
+#if 0
_MCOUNT_DECL(frompc, selfpc) /* _mcount; may be static, inline, etc */
register u_long frompc, selfpc;
+#endif
+
+/* GCC version 2 gives us a perfect magical function to get
+ just the information we need:
+ void *__builtin_return_address (unsigned int N)
+ returns the return address of the frame N frames up. */
+
+#if __GNUC__ < 2
+ #error "This file uses __builtin_return_address, a GCC 2 extension."
+#endif
+
+#include <sysdep.h>
+#ifndef NO_UNDERSCORES
+/* The asm symbols for C functions are `_function'.
+ The canonical name for the counter function is `mcount', no _. */
+void _mcount (void) asm ("mcount");
+#endif
+
+void
+_mcount (void)
{
+ register u_long selfpc = (u_long) __builtin_return_address (0);
+ register u_long frompc = (u_long) __builtin_return_address (1);
+
register u_short *frompcindex;
register struct tostruct *top, *prevtop;
register struct gmonparam *p;
@@ -154,7 +178,7 @@ _MCOUNT_DECL(frompc, selfpc) /* _mcount; may be static, inline, etc */
*frompcindex = toindex;
goto done;
}
-
+
}
done:
#ifdef KERNEL
@@ -171,8 +195,10 @@ overflow:
return;
}
+#if 0 /* Obsolete with __builtin_return_address. */
/*
* Actual definition of mcount function. Defined in <machine/profile.h>,
* which is included by <sys/gmon.h>.
*/
MCOUNT
+#endif
diff --git a/gmon/sys/gmon.h b/gmon/sys/gmon.h
index 7064a43cb9..f7af72b98a 100644
--- a/gmon/sys/gmon.h
+++ b/gmon/sys/gmon.h
@@ -37,7 +37,6 @@
#define _SYS_GMON_H_
#include <sys/cdefs.h>
-#include <machine-gmon.h>
/*
* Structure prepended to gmon.out profiling data file.
diff --git a/sysdeps/i386/machine-gmon.h b/sysdeps/i386/machine-gmon.h
deleted file mode 100644
index 4128390b8b..0000000000
--- a/sysdeps/i386/machine-gmon.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/* Machine-specific calling sequence for `mcount' profiling function. i386
-Copyright (C) 1995 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 Library General Public License as
-published by the Free Software Foundation; either version 2 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
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
-
-#define _MCOUNT_DECL static inline void _mcount
-
-/* Call _mcount with our the return PC for our caller,
- and the return PC our caller will return to. */
-#define MCOUNT \
-void mcount (u_long arg) \
-{ \
- _mcount (((u_long *) (&arg)[-2])[-1], \
- (&arg)[-1]); \
-}
diff --git a/sysdeps/stub/machine-gmon.h b/sysdeps/stub/machine-gmon.h
deleted file mode 100644
index 166faedab6..0000000000
--- a/sysdeps/stub/machine-gmon.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/* Machine-specific calling sequence for `mcount' profiling function. Stub
-Copyright (C) 1995 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 Library General Public License as
-published by the Free Software Foundation; either version 2 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
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
-
-#define _MCOUNT_DECL static inline void _mcount
-
-/* Call _mcount with our the return PC for our caller,
- and the return PC our caller will return to. */
-#define MCOUNT \
-void mcount (u_long arg) \
-{ \
- _mcount (caller return PC, my return PC); \
-}
-
-#error "sysdeps/MACHINE/machine-gmon.h missing"
diff --git a/sysdeps/unix/Makefile b/sysdeps/unix/Makefile
index a09ea4f76f..fd4166615d 100644
--- a/sysdeps/unix/Makefile
+++ b/sysdeps/unix/Makefile
@@ -292,4 +292,12 @@ $(objpfx)sysd-syscalls: $(..)sysdeps/unix/make-syscalls.sh \
done > $@T
mv -f $@T $@
+# This syscall objects depend on s-proto.d, which is generated to
+# specify dependencies generated syscalls with have on headers.
+ifdef subdir
+# These deps use file names relative to a subdir, so don't
+# include them in the parent directory.
+-include $(objpfx)s-proto.d
+endif
+
endif