From b30542fb71312ed7544a2d356a8fd589430090a5 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Mon, 8 Mar 2004 21:31:23 +0000 Subject: Update. 2004-03-08 Ulrich Drepper * 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 . --- sysdeps/generic/symbol-hacks.h | 1 + sysdeps/wordsize-32/divdi3.c | 6 +++++- sysdeps/wordsize-32/symbol-hacks.h | 30 ++++++++++++++++++++++++++++++ 3 files changed, 36 insertions(+), 1 deletion(-) create mode 100644 sysdeps/generic/symbol-hacks.h create mode 100644 sysdeps/wordsize-32/symbol-hacks.h (limited to 'sysdeps') 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 -- cgit 1.4.1