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authorUlrich Drepper <drepper@redhat.com>2004-03-08 21:31:23 +0000
committerUlrich Drepper <drepper@redhat.com>2004-03-08 21:31:23 +0000
commitb30542fb71312ed7544a2d356a8fd589430090a5 (patch)
tree4494c2147be2e250c64236eadc0b65a677094243 /sysdeps
parentf79c3f28a601f197b89409ff3aa0d3c3949b8210 (diff)
downloadglibc-b30542fb71312ed7544a2d356a8fd589430090a5.tar.gz
Update.
2004-03-08 Ulrich Drepper <drepper@redhat.com> * Makerules: Use extra-modules.mk if modules-names is defined. * extra-modules.mk: New file. * dlfcn/Makefile (CPPFLAGS-modcxaatexit.c): Removed. * elf/Makefile (CFLAGS-interp.c): Add -DNOT_IN_libc=1. * csu/Makefile ($(objpfx)version-info.h): Pass -DNOT_IN_libc=1 to compiler. * Makefile (distribute): Add symbol-hacks.h. * sysdeps/generic/symbol-hacks.h: New file. * sysdeps/wordsize-32/symbol-hacks.h: New file. * sysdeps/wordsize-32/divdi3.c: Define *_internal aliases for __divdi3, __moddi3, __udivdi3, and __umoddi3. * include/libc-symbols.h: Include <symbol-hacks.h>.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/generic/symbol-hacks.h1
-rw-r--r--sysdeps/wordsize-32/divdi3.c6
-rw-r--r--sysdeps/wordsize-32/symbol-hacks.h30
3 files changed, 36 insertions, 1 deletions
diff --git a/sysdeps/generic/symbol-hacks.h b/sysdeps/generic/symbol-hacks.h
new file mode 100644
index 0000000000..bc7b4c4441
--- /dev/null
+++ b/sysdeps/generic/symbol-hacks.h
@@ -0,0 +1 @@
+/* Fortunately nothing to do. */
diff --git a/sysdeps/wordsize-32/divdi3.c b/sysdeps/wordsize-32/divdi3.c
index 122ffcae8c..94fb008f1f 100644
--- a/sysdeps/wordsize-32/divdi3.c
+++ b/sysdeps/wordsize-32/divdi3.c
@@ -1,5 +1,5 @@
/* 64-bit multiplication and division
- Copyright (C) 1989, 1992-1999, 2000, 2001, 2002, 2003
+ Copyright (C) 1989, 1992-1999, 2000, 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@@ -294,6 +294,7 @@ __divdi3 (DWtype u, DWtype v)
w = -w;
return w;
}
+strong_alias (__divdi3, __divdi3_internal)
DWtype
__moddi3 (DWtype u, DWtype v)
@@ -313,12 +314,14 @@ __moddi3 (DWtype u, DWtype v)
w = -w;
return w;
}
+strong_alias (__moddi3, __moddi3_internal)
UDWtype
__udivdi3 (UDWtype u, UDWtype v)
{
return __udivmoddi4 (u, v, NULL);
}
+strong_alias (__udivdi3, __udivdi3_internal)
UDWtype
__umoddi3 (UDWtype u, UDWtype v)
@@ -328,6 +331,7 @@ __umoddi3 (UDWtype u, UDWtype v)
__udivmoddi4 (u, v, &w);
return w;
}
+strong_alias (__umoddi3, __umoddi3_internal)
/* We declare these with compat_symbol so that they are not visible at
link time. Programs must use the functions from libgcc. */
diff --git a/sysdeps/wordsize-32/symbol-hacks.h b/sysdeps/wordsize-32/symbol-hacks.h
new file mode 100644
index 0000000000..ee53e1257f
--- /dev/null
+++ b/sysdeps/wordsize-32/symbol-hacks.h
@@ -0,0 +1,30 @@
+/* Hacks needed for symbol manipulation.
+ Copyright (C) 2004 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/* A very dirty trick: gcc emits references to __divdi3, __udivdi3,
+ __moddi3, and __umoddi3. These functions are exported and
+ therefore we get PLTs. Unnecessarily so. Changing gcc is a big
+ task which might not be worth it so we play tricks with the
+ assembler. */
+#if !defined __ASSEMBLER__ && !defined NOT_IN_libc && defined SHARED
+asm ("__divdi3 = __divdi3_internal");
+asm ("__udivdi3 = __udivdi3_internal");
+asm ("__moddi3 = __moddi3_internal");
+asm ("__umoddi3 = __umoddi3_internal");
+#endif