diff options
Diffstat (limited to 'patches/glibc/2.25/960-sh4-trap-divdi3.patch')
| -rw-r--r-- | patches/glibc/2.25/960-sh4-trap-divdi3.patch | 340 |
1 files changed, 0 insertions, 340 deletions
diff --git a/patches/glibc/2.25/960-sh4-trap-divdi3.patch b/patches/glibc/2.25/960-sh4-trap-divdi3.patch deleted file mode 100644 index 99fad46..0000000 --- a/patches/glibc/2.25/960-sh4-trap-divdi3.patch +++ /dev/null @@ -1,340 +0,0 @@ -commit db3d848e154b00071f4a5e729d5884efad410109 -Author: Adhemerval Zanella <adhemerval.zanella@linaro.org> -Date: Wed Mar 15 15:44:59 2017 -0300 - - Build divdi3 only for architecture that required it - - As noted in [1], divdi3 object is only exported in a handful ABIs - (i386, m68k, powerpc32, s390-32, and ia64), however it is built - for all current architectures regardless. - - This patch refact the make rules for this object to so only the - aforementioned architectures that actually require it builds it. - - Also, to avoid internal PLT calls to the exported symbol from the - module, glibc uses an internal header (symbol-hacks.h) which is - unrequired (and in fact breaks the build for architectures that - intend to get symbol definitions from libgcc.a). The patch also - changes it to create its own header (divdi3-symbol-hacks.h) and - adjust the architectures that require it accordingly. - - I checked the build/check (with run-built-tests=no) on the - following architectures (which I think must cover all supported - ABI/builds) using GCC 6.3: - - aarch64-linux-gnu - alpha-linux-gnu - arm-linux-gnueabihf - hppa-linux-gnu - ia64-linux-gnu - m68k-linux-gnu - microblaze-linux-gnu - mips64-n32-linux-gnu - mips-linux-gnu - mips64-linux-gnu - nios2-linux-gnu - powerpc-linux-gnu - powerpc-linux-gnu-power4 - powerpc64-linux-gnu - powerpc64le-linux-gnu - s390x-linux-gnu - s390-linux-gnu - sh4-linux-gnu - sh4-linux-gnu-soft - sparc64-linux-gnu - sparcv9-linux-gnu - tilegx-linux-gnu - tilegx-linux-gnu-32 - tilepro-linux-gnu - x86_64-linux-gnu - x86_64-linux-gnu-x32 - i686-linux-gnu - - I only saw one regression on sparcv9-linux-gnu (extra PLT call to - .udiv) which I address in next patch in the set. It also correctly - build SH with GCC 7.0.1 (without any regression from c89721e25d). - - [1] https://sourceware.org/ml/libc-alpha/2017-03/msg00243.html - - * sysdeps/i386/symbol-hacks.h: New file. - * sysdeps/m68k/symbol-hacks.h: New file. - * sysdeps/powerpc/powerpc32/symbol-hacks.h: New file. - * sysdeps/s390/s390-32/symbol-hacks.h: New file. - * sysdeps/unix/sysv/linux/i386/Makefile - [$(subdir) = csu] (sysdep_routines): New rule: divdi3 object. - [$(subdir) = csu] (sysdep-only-routines): Likewise. - [$(subdir) = csu] (CFLAGS-divdi3.c): Likewise. - * sysdeps/unix/sysv/linux/m68k/Makefile - [$(subdir) = csu] (sysdep_routines): Likewise. - [$(subdir) = csu] (sysdep-only-routines): Likewise. - [$(subdir) = csu] (CFLAGS-divdi3.c): Likewise. - * sysdeps/unix/sysv/linux/powerpc/powerpc32/Makefile - [$(subdir) = csu] (sysdep_routines): Likewise. - [$(subdir) = csu] (sysdep-only-routines): Likewise. - [$(subdir) = csu] (CFLAGS-divdi3.c): Likewise. - * sysdeps/unix/sysv/linux/s390/s390-32/Makefile - [$(subdir) = csu] (sysdep_routines): Likewise. - [$(subdir) = csu] (sysdep-only-routines): Likewise. - [$(subdir) = csu] (CFLAGS-divdi3.c): Likewise. - * sysdeps/wordsize-32/Makefile: Remove file. - * sysdeps/wordsize-32/symbol-hacks.h: Definitions move to ... - * sysdeps/wordsize-32/divdi3-symbol-hacks.h: ... here. - -diff --git a/sysdeps/i386/symbol-hacks.h b/sysdeps/i386/symbol-hacks.h -new file mode 100644 -index 0000000000..36a13c83f7 ---- /dev/null -+++ b/sysdeps/i386/symbol-hacks.h -@@ -0,0 +1,21 @@ -+/* Hacks needed for symbol manipulation. i386 version. -+ Copyright (C) 2017 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, see -+ <http://www.gnu.org/licenses/>. */ -+ -+#include <sysdeps/wordsize-32/divdi3-symbol-hacks.h> -+ -+#include_next "symbol-hacks.h" -diff --git a/sysdeps/m68k/symbol-hacks.h b/sysdeps/m68k/symbol-hacks.h -new file mode 100644 -index 0000000000..e449d29810 ---- /dev/null -+++ b/sysdeps/m68k/symbol-hacks.h -@@ -0,0 +1,21 @@ -+/* Hacks needed for symbol manipulation. m68k version. -+ Copyright (C) 2017 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, see -+ <http://www.gnu.org/licenses/>. */ -+ -+#include <sysdeps/wordsize-32/divdi3-symbol-hacks.h> -+ -+#include_next "symbol-hacks.h" -diff --git a/sysdeps/powerpc/powerpc32/symbol-hacks.h b/sysdeps/powerpc/powerpc32/symbol-hacks.h -new file mode 100644 -index 0000000000..dbb3141621 ---- /dev/null -+++ b/sysdeps/powerpc/powerpc32/symbol-hacks.h -@@ -0,0 +1,21 @@ -+/* Hacks needed for symbol manipulation. powerpc version. -+ Copyright (C) 2017 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, see -+ <http://www.gnu.org/licenses/>. */ -+ -+#include <sysdeps/wordsize-32/divdi3-symbol-hacks.h> -+ -+#include_next "symbol-hacks.h" -diff --git a/sysdeps/s390/s390-32/symbol-hacks.h b/sysdeps/s390/s390-32/symbol-hacks.h -new file mode 100644 -index 0000000000..585c42365a ---- /dev/null -+++ b/sysdeps/s390/s390-32/symbol-hacks.h -@@ -0,0 +1,21 @@ -+/* Hacks needed for symbol manipulation. s390 version. -+ Copyright (C) 2017 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, see -+ <http://www.gnu.org/licenses/>. */ -+ -+#include <sysdeps/wordsize-32/divdi3-symbol-hacks.h> -+ -+#include_next "symbol-hacks.h" -diff --git a/sysdeps/unix/sysv/linux/i386/Makefile b/sysdeps/unix/sysv/linux/i386/Makefile -index 6aac0dfe15..4080b8c966 100644 ---- a/sysdeps/unix/sysv/linux/i386/Makefile -+++ b/sysdeps/unix/sysv/linux/i386/Makefile -@@ -26,6 +26,11 @@ endif - - ifeq ($(subdir),csu) - sysdep-dl-routines += sysdep -+ifeq (yes,$(build-shared)) -+sysdep_routines += divdi3 -+shared-only-routines += divdi3 -+CPPFLAGS-divdi3.c = -Din_divdi3_c -+endif - endif - - ifeq ($(subdir),nptl) -diff --git a/sysdeps/unix/sysv/linux/m68k/Makefile b/sysdeps/unix/sysv/linux/m68k/Makefile -index 5c50ce6927..ce1f696a6f 100644 ---- a/sysdeps/unix/sysv/linux/m68k/Makefile -+++ b/sysdeps/unix/sysv/linux/m68k/Makefile -@@ -4,6 +4,11 @@ m68k-syntax-flag = -DMOTOROLA_SYNTAX - - ifeq ($(subdir),csu) - sysdep_routines += m68k-helpers -+ifeq (yes,$(build-shared)) -+sysdep_routines += divdi3 -+shared-only-routines += divdi3 -+CPPFLAGS-divdi3.c = -Din_divdi3_c -+endif - endif - - ifeq ($(subdir),misc) -diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/Makefile b/sysdeps/unix/sysv/linux/powerpc/powerpc32/Makefile -index 3d6c150582..1f45659ed1 100644 ---- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/Makefile -+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/Makefile -@@ -1,2 +1,10 @@ - # See Makeconfig regarding the use of default-abi. - default-abi := 32 -+ -+ifeq ($(subdir),csu) -+ifeq (yes,$(build-shared)) -+sysdep_routines += divdi3 -+shared-only-routines += divdi3 -+CPPFLAGS-divdi3.c = -Din_divdi3_c -+endif -+endif -diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/Makefile b/sysdeps/unix/sysv/linux/s390/s390-32/Makefile -index da3b3c76b4..fd8cf92633 100644 ---- a/sysdeps/unix/sysv/linux/s390/s390-32/Makefile -+++ b/sysdeps/unix/sysv/linux/s390/s390-32/Makefile -@@ -21,3 +21,11 @@ endif - ifeq ($(subdir),stdlib) - sysdep_routines += __makecontext_ret - endif -+ -+ifeq ($(subdir),csu) -+ifeq (yes,$(build-shared)) -+sysdep_routines += divdi3 -+shared-only-routines += divdi3 -+CPPFLAGS-divdi3.c = -Din_divdi3_c -+endif -+endif -diff --git a/sysdeps/wordsize-32/Makefile b/sysdeps/wordsize-32/Makefile -deleted file mode 100644 -index 82beac44ed..0000000000 ---- a/sysdeps/wordsize-32/Makefile -+++ /dev/null -@@ -1,7 +0,0 @@ --ifeq ($(subdir),csu) --ifeq (yes,$(build-shared)) --sysdep_routines += divdi3 --shared-only-routines += divdi3 --CPPFLAGS-divdi3.c = -Din_divdi3_c --endif --endif -diff --git a/sysdeps/wordsize-32/divdi3-symbol-hacks.h b/sysdeps/wordsize-32/divdi3-symbol-hacks.h -new file mode 100644 -index 0000000000..6c90cb796d ---- /dev/null -+++ b/sysdeps/wordsize-32/divdi3-symbol-hacks.h -@@ -0,0 +1,31 @@ -+/* Hacks needed for divdi3 symbol manipulation. -+ Copyright (C) 2004-2017 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, see -+ <http://www.gnu.org/licenses/>. */ -+ -+/* 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. -+ Note: in_divdi3_c is only used to avoid symbol alias on divdi3 -+ build itself. */ -+#if !defined __ASSEMBLER__ && !defined in_divdi3_c && IS_IN (libc) && defined SHARED -+asm ("__divdi3 = __divdi3_internal"); -+asm ("__udivdi3 = __udivdi3_internal"); -+asm ("__moddi3 = __moddi3_internal"); -+asm ("__umoddi3 = __umoddi3_internal"); -+#endif -diff --git a/sysdeps/wordsize-32/symbol-hacks.h b/sysdeps/wordsize-32/symbol-hacks.h -deleted file mode 100644 -index 0aec1e0b97..0000000000 ---- a/sysdeps/wordsize-32/symbol-hacks.h -+++ /dev/null -@@ -1,31 +0,0 @@ --/* Hacks needed for symbol manipulation. -- Copyright (C) 2004-2017 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, see -- <http://www.gnu.org/licenses/>. */ -- --#include_next "symbol-hacks.h" -- --/* 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 in_divdi3_c && IS_IN (libc) && defined SHARED --asm ("__divdi3 = __divdi3_internal"); --asm ("__udivdi3 = __udivdi3_internal"); --asm ("__moddi3 = __moddi3_internal"); --asm ("__umoddi3 = __umoddi3_internal"); --#endif |