mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
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196 lines
7.6 KiB
Diff
196 lines
7.6 KiB
Diff
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From 2cbf10ae2ea9e378ff91b8f5c4d8cb77ed05378e Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Bart=C5=82omiej=20Piotrowski?= <bpiotrowski@archlinux.org>
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Date: Fri, 10 Aug 2018 14:12:40 +0000
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Subject: [PATCH] Revert "elf: Correct absolute (SHN_ABS) symbol run-time
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calculation [BZ #19818]"
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This reverts commit e7feec374c635b6a29d65c39ae5e1855528fed39.
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---
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elf/Makefile | 14 ++-----------
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elf/dl-addr.c | 2 --
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elf/tst-absolute-sym-lib.c | 25 ------------------------
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elf/tst-absolute-sym-lib.lds | 19 ------------------
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elf/tst-absolute-sym.c | 38 ------------------------------------
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sysdeps/generic/ldsodefs.h | 3 +--
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6 files changed, 3 insertions(+), 98 deletions(-)
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delete mode 100644 elf/tst-absolute-sym-lib.c
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delete mode 100644 elf/tst-absolute-sym-lib.lds
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delete mode 100644 elf/tst-absolute-sym.c
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diff --git a/elf/Makefile b/elf/Makefile
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index cd0771307f..5084ba4f6f 100644
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--- a/elf/Makefile
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+++ b/elf/Makefile
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@@ -186,7 +186,7 @@ tests += restest1 preloadtest loadfail multiload origtest resolvfail \
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tst-tlsalign tst-tlsalign-extern tst-nodelete-opened \
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tst-nodelete2 tst-audit11 tst-audit12 tst-dlsym-error tst-noload \
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tst-latepthread tst-tls-manydynamic tst-nodelete-dlclose \
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- tst-debug1 tst-main1 tst-absolute-sym tst-absolute-zero tst-big-note
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+ tst-debug1 tst-main1
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# reldep9
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tests-internal += loadtest unload unload2 circleload1 \
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neededtest neededtest2 neededtest3 neededtest4 \
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@@ -272,9 +272,7 @@ modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \
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tst-audit12mod1 tst-audit12mod2 tst-audit12mod3 tst-auditmod12 \
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tst-latepthreadmod $(tst-tls-many-dynamic-modules) \
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tst-nodelete-dlclose-dso tst-nodelete-dlclose-plugin \
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- tst-main1mod tst-libc_dlvsym-dso tst-absolute-sym-lib \
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- tst-absolute-zero-lib tst-big-note-lib
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-
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+ tst-main1mod tst-libc_dlvsym-dso
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ifeq (yes,$(have-mtls-dialect-gnu2))
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tests += tst-gnu2-tls1
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modules-names += tst-gnu2-tls1mod
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@@ -1465,14 +1463,6 @@ tst-main1-no-pie = yes
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LDLIBS-tst-main1 = $(libsupport)
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tst-main1mod.so-no-z-defs = yes
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-LDLIBS-tst-absolute-sym-lib.so = tst-absolute-sym-lib.lds
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-$(objpfx)tst-absolute-sym-lib.so: $(LDLIBS-tst-absolute-sym-lib.so)
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-$(objpfx)tst-absolute-sym: $(objpfx)tst-absolute-sym-lib.so
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-
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-LDLIBS-tst-absolute-zero-lib.so = tst-absolute-zero-lib.lds
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-$(objpfx)tst-absolute-zero-lib.so: $(LDLIBS-tst-absolute-zero-lib.so)
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-$(objpfx)tst-absolute-zero: $(objpfx)tst-absolute-zero-lib.so
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-
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# Both the main program and the DSO for tst-libc_dlvsym need to link
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# against libdl.
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$(objpfx)tst-libc_dlvsym: $(libdl)
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diff --git a/elf/dl-addr.c b/elf/dl-addr.c
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index e6c7d02094..2250617a73 100644
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--- a/elf/dl-addr.c
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+++ b/elf/dl-addr.c
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@@ -59,7 +59,6 @@ determine_info (const ElfW(Addr) addr, struct link_map *match, Dl_info *info,
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we can omit that test here. */
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if ((symtab[symndx].st_shndx != SHN_UNDEF
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|| symtab[symndx].st_value != 0)
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- && symtab[symndx].st_shndx != SHN_ABS
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&& ELFW(ST_TYPE) (symtab[symndx].st_info) != STT_TLS
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&& DL_ADDR_SYM_MATCH (match, &symtab[symndx],
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matchsym, addr)
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@@ -92,7 +91,6 @@ determine_info (const ElfW(Addr) addr, struct link_map *match, Dl_info *info,
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&& ELFW(ST_TYPE) (symtab->st_info) != STT_TLS
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&& (symtab->st_shndx != SHN_UNDEF
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|| symtab->st_value != 0)
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- && symtab->st_shndx != SHN_ABS
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&& DL_ADDR_SYM_MATCH (match, symtab, matchsym, addr)
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&& symtab->st_name < strtabsize)
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matchsym = (ElfW(Sym) *) symtab;
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diff --git a/elf/tst-absolute-sym-lib.c b/elf/tst-absolute-sym-lib.c
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deleted file mode 100644
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index 912cb0048a..0000000000
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--- a/elf/tst-absolute-sym-lib.c
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+++ /dev/null
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@@ -1,25 +0,0 @@
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-/* BZ #19818 absolute symbol calculation shared module.
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- Copyright (C) 2018 Free Software Foundation, Inc.
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- This file is part of the GNU C Library.
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-
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- The GNU C Library is free software; you can redistribute it and/or
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- modify it under the terms of the GNU Lesser General Public
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- License as published by the Free Software Foundation; either
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- version 2.1 of the License, or (at your option) any later version.
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-
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- The GNU C Library is distributed in the hope that it will be useful,
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- but WITHOUT ANY WARRANTY; without even the implied warranty of
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- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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- Lesser General Public License for more details.
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-
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- You should have received a copy of the GNU Lesser General Public
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- License along with the GNU C Library; if not, see
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- <http://www.gnu.org/licenses/>. */
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-
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-extern char absolute;
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-
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-void *
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-get_absolute (void)
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-{
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- return &absolute;
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-}
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diff --git a/elf/tst-absolute-sym-lib.lds b/elf/tst-absolute-sym-lib.lds
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deleted file mode 100644
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index d4a4128514..0000000000
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--- a/elf/tst-absolute-sym-lib.lds
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+++ /dev/null
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@@ -1,19 +0,0 @@
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-/* BZ #19818 absolute symbol calculation linker script.
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- Copyright (C) 2018 Free Software Foundation, Inc.
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- This file is part of the GNU C Library.
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-
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- The GNU C Library is free software; you can redistribute it and/or
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- modify it under the terms of the GNU Lesser General Public
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- License as published by the Free Software Foundation; either
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- version 2.1 of the License, or (at your option) any later version.
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-
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- The GNU C Library is distributed in the hope that it will be useful,
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- but WITHOUT ANY WARRANTY; without even the implied warranty of
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- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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- Lesser General Public License for more details.
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-
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- You should have received a copy of the GNU Lesser General Public
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- License along with the GNU C Library; if not, see
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- <http://www.gnu.org/licenses/>. */
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-
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-"absolute" = 0x55aa;
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diff --git a/elf/tst-absolute-sym.c b/elf/tst-absolute-sym.c
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deleted file mode 100644
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index 111491d159..0000000000
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--- a/elf/tst-absolute-sym.c
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+++ /dev/null
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@@ -1,38 +0,0 @@
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-/* BZ #19818 absolute symbol calculation main executable.
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- Copyright (C) 2018 Free Software Foundation, Inc.
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- This file is part of the GNU C Library.
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-
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- The GNU C Library is free software; you can redistribute it and/or
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- modify it under the terms of the GNU Lesser General Public
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- License as published by the Free Software Foundation; either
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- version 2.1 of the License, or (at your option) any later version.
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-
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- The GNU C Library is distributed in the hope that it will be useful,
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- but WITHOUT ANY WARRANTY; without even the implied warranty of
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- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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- Lesser General Public License for more details.
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-
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- You should have received a copy of the GNU Lesser General Public
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- License along with the GNU C Library; if not, see
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- <http://www.gnu.org/licenses/>. */
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-
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-#include <support/check.h>
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-#include <support/support.h>
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-#include <support/test-driver.h>
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-
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-void *get_absolute (void);
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-
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-static int
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-do_test (void)
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-{
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- void *ref = (void *) 0x55aa;
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- void *ptr;
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-
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- ptr = get_absolute ();
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- if (ptr != ref)
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- FAIL_EXIT1 ("Got %p, expected %p\n", ptr, ref);
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-
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- return 0;
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-}
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-
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-#include <support/test-driver.c>
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diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
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index 95dc87519b..3cac4fa362 100644
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--- a/sysdeps/generic/ldsodefs.h
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+++ b/sysdeps/generic/ldsodefs.h
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@@ -72,8 +72,7 @@ typedef struct link_map *lookup_t;
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if non-NULL. Don't check for NULL map if MAP_SET is TRUE. */
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#define SYMBOL_ADDRESS(map, ref, map_set) \
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((ref) == NULL ? 0 \
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- : (__glibc_unlikely ((ref)->st_shndx == SHN_ABS) ? 0 \
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- : LOOKUP_VALUE_ADDRESS (map, map_set)) + (ref)->st_value)
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+ : LOOKUP_VALUE_ADDRESS (map, map_set) + (ref)->st_value)
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/* On some architectures a pointer to a function is not just a pointer
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to the actual code of the function but rather an architecture
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--
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2.18.0
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