File absolute-symbols.patch of Package glibc.21322
2018-04-04 Maciej W. Rozycki <macro@mips.com>
[BZ #19818]
* sysdeps/generic/ldsodefs.h (SYMBOL_ADDRESS): Handle SHN_ABS
symbols.
* elf/dl-addr.c (determine_info): Ignore SHN_ABS symbols.
* elf/tst-absolute-sym.c: New file.
* elf/tst-absolute-sym-lib.c: New file.
* elf/tst-absolute-sym-lib.lds: New file.
* elf/Makefile (tests): Add `tst-absolute-sym'.
(modules-names): Add `tst-absolute-sym-lib'.
(LDLIBS-tst-absolute-sym-lib.so): New variable.
($(objpfx)tst-absolute-sym-lib.so): New dependency.
($(objpfx)tst-absolute-sym): New dependency.
2018-04-04 Maciej W. Rozycki <macro@mips.com>
[BZ #19818]
* sysdeps/generic/ldsodefs.h (LOOKUP_VALUE_ADDRESS): Add `set'
parameter.
(SYMBOL_ADDRESS): New macro.
[!ELF_FUNCTION_PTR_IS_SPECIAL] (DL_SYMBOL_ADDRESS): Use
SYMBOL_ADDRESS for symbol address calculation.
* elf/dl-runtime.c (_dl_fixup): Likewise.
(_dl_profile_fixup): Likewise.
* elf/dl-symaddr.c (_dl_symbol_address): Likewise.
* elf/rtld.c (dl_main): Likewise.
* sysdeps/aarch64/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/alpha/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/arm/dl-machine.h (elf_machine_rel): Likewise.
(elf_machine_rela): Likewise.
* sysdeps/hppa/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/hppa/dl-symaddr.c (_dl_symbol_address): Likewise.
* sysdeps/i386/dl-machine.h (elf_machine_rel): Likewise.
(elf_machine_rela): Likewise.
* sysdeps/ia64/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/m68k/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/microblaze/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/mips/dl-machine.h (ELF_MACHINE_BEFORE_RTLD_RELOC):
Likewise.
(elf_machine_reloc): Likewise.
(elf_machine_got_rel): Likewise.
* sysdeps/mips/dl-trampoline.c (__dl_runtime_resolve): Likewise.
* sysdeps/nios2/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rela):
Likewise.
* sysdeps/powerpc/powerpc64/dl-machine.h (elf_machine_rela):
Likewise.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_rela):
Likewise.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_rela):
Likewise.
* sysdeps/sh/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela):
Likewise.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela):
Likewise.
* sysdeps/tile/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/x86_64/dl-machine.h (elf_machine_rela): Likewise.
Index: glibc-2.26/elf/Makefile
===================================================================
--- glibc-2.26.orig/elf/Makefile
+++ glibc-2.26/elf/Makefile
@@ -179,7 +179,8 @@ tests += restest1 preloadtest loadfail m
tst-initorder tst-initorder2 tst-relsort1 tst-null-argv \
tst-tlsalign tst-tlsalign-extern tst-nodelete-opened \
tst-nodelete2 tst-audit11 tst-audit12 tst-dlsym-error tst-noload \
- tst-latepthread tst-tls-manydynamic tst-nodelete-dlclose
+ tst-latepthread tst-tls-manydynamic tst-nodelete-dlclose \
+ tst-absolute-sym
# reldep9
tests-internal += loadtest unload unload2 circleload1 \
neededtest neededtest2 neededtest3 neededtest4 \
@@ -263,7 +264,8 @@ modules-names = testobj1 testobj2 testob
tst-audit11mod1 tst-audit11mod2 tst-auditmod11 \
tst-audit12mod1 tst-audit12mod2 tst-audit12mod3 tst-auditmod12 \
tst-latepthreadmod $(tst-tls-many-dynamic-modules) \
- tst-nodelete-dlclose-dso tst-nodelete-dlclose-plugin
+ tst-nodelete-dlclose-dso tst-nodelete-dlclose-plugin \
+ tst-absolute-sym-lib
ifeq (yes,$(have-mtls-dialect-gnu2))
tests += tst-gnu2-tls1
modules-names += tst-gnu2-tls1mod
@@ -1410,3 +1412,7 @@ tst-env-setuid-ENV = MALLOC_CHECK_=2 MAL
LD_HWCAP_MASK=0x1
tst-env-setuid-tunables-ENV = \
GLIBC_TUNABLES=glibc.malloc.check=2:glibc.malloc.mmap_threshold=4096
+
+LDLIBS-tst-absolute-sym-lib.so = tst-absolute-sym-lib.lds
+$(objpfx)tst-absolute-sym-lib.so: $(LDLIBS-tst-absolute-sym-lib.so)
+$(objpfx)tst-absolute-sym: $(objpfx)tst-absolute-sym-lib.so
Index: glibc-2.26/elf/dl-addr.c
===================================================================
--- glibc-2.26.orig/elf/dl-addr.c
+++ glibc-2.26/elf/dl-addr.c
@@ -60,6 +60,7 @@ determine_info (const ElfW(Addr) addr, s
we can omit that test here. */
if ((symtab[symndx].st_shndx != SHN_UNDEF
|| symtab[symndx].st_value != 0)
+ && symtab[symndx].st_shndx != SHN_ABS
&& ELFW(ST_TYPE) (symtab[symndx].st_info) != STT_TLS
&& DL_ADDR_SYM_MATCH (match, &symtab[symndx],
matchsym, addr)
@@ -92,6 +93,7 @@ determine_info (const ElfW(Addr) addr, s
&& ELFW(ST_TYPE) (symtab->st_info) != STT_TLS
&& (symtab->st_shndx != SHN_UNDEF
|| symtab->st_value != 0)
+ && symtab->st_shndx != SHN_ABS
&& DL_ADDR_SYM_MATCH (match, symtab, matchsym, addr)
&& symtab->st_name < strtabsize)
matchsym = (ElfW(Sym) *) symtab;
Index: glibc-2.26/elf/dl-runtime.c
===================================================================
--- glibc-2.26.orig/elf/dl-runtime.c
+++ glibc-2.26/elf/dl-runtime.c
@@ -124,14 +124,13 @@ _dl_fixup (
of the object that defines sym. Now add in the symbol
offset. */
value = DL_FIXUP_MAKE_VALUE (result,
- sym ? (LOOKUP_VALUE_ADDRESS (result)
- + sym->st_value) : 0);
+ SYMBOL_ADDRESS (result, sym, false));
}
else
{
/* We already found the symbol. The module (and therefore its load
address) is also known. */
- value = DL_FIXUP_MAKE_VALUE (l, l->l_addr + sym->st_value);
+ value = DL_FIXUP_MAKE_VALUE (l, SYMBOL_ADDRESS (l, sym, true));
result = l;
}
@@ -241,9 +240,7 @@ _dl_profile_fixup (
of the object that defines sym. Now add in the symbol
offset. */
value = DL_FIXUP_MAKE_VALUE (result,
- defsym != NULL
- ? LOOKUP_VALUE_ADDRESS (result)
- + defsym->st_value : 0);
+ SYMBOL_ADDRESS (result, defsym, false));
if (defsym != NULL
&& __builtin_expect (ELFW(ST_TYPE) (defsym->st_info)
@@ -254,7 +251,7 @@ _dl_profile_fixup (
{
/* We already found the symbol. The module (and therefore its load
address) is also known. */
- value = DL_FIXUP_MAKE_VALUE (l, l->l_addr + refsym->st_value);
+ value = DL_FIXUP_MAKE_VALUE (l, SYMBOL_ADDRESS (l, refsym, true));
if (__builtin_expect (ELFW(ST_TYPE) (refsym->st_info)
== STT_GNU_IFUNC, 0))
Index: glibc-2.26/elf/dl-symaddr.c
===================================================================
--- glibc-2.26.orig/elf/dl-symaddr.c
+++ glibc-2.26/elf/dl-symaddr.c
@@ -22,7 +22,7 @@
void *
_dl_symbol_address (struct link_map *map, const ElfW(Sym) *ref)
{
- ElfW(Addr) value = (map ? map->l_addr : 0) + ref->st_value;
+ ElfW(Addr) value = SYMBOL_ADDRESS (map, ref, false);
/* Return the pointer to function descriptor. */
if (ELFW(ST_TYPE) (ref->st_info) == STT_FUNC)
Index: glibc-2.26/elf/rtld.c
===================================================================
--- glibc-2.26.orig/elf/rtld.c
+++ glibc-2.26/elf/rtld.c
@@ -1916,7 +1916,7 @@ ERROR: ld.so: object '%s' cannot be load
NULL, ELF_RTYPE_CLASS_PLT,
DL_LOOKUP_ADD_DEPENDENCY, NULL);
- loadbase = LOOKUP_VALUE_ADDRESS (result);
+ loadbase = LOOKUP_VALUE_ADDRESS (result, false);
_dl_printf ("%s found at 0x%0*Zd in object at 0x%0*Zd\n",
_dl_argv[i],
Index: glibc-2.26/elf/tst-absolute-sym-lib.c
===================================================================
--- /dev/null
+++ glibc-2.26/elf/tst-absolute-sym-lib.c
@@ -0,0 +1,25 @@
+/* BZ #19818 absolute symbol calculation shared module.
+ Copyright (C) 2018 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/>. */
+
+extern char absolute;
+
+void *
+get_absolute (void)
+{
+ return &absolute;
+}
Index: glibc-2.26/elf/tst-absolute-sym-lib.lds
===================================================================
--- /dev/null
+++ glibc-2.26/elf/tst-absolute-sym-lib.lds
@@ -0,0 +1,19 @@
+/* BZ #19818 absolute symbol calculation linker script.
+ Copyright (C) 2018 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/>. */
+
+"absolute" = 0x55aa;
Index: glibc-2.26/elf/tst-absolute-sym.c
===================================================================
--- /dev/null
+++ glibc-2.26/elf/tst-absolute-sym.c
@@ -0,0 +1,38 @@
+/* BZ #19818 absolute symbol calculation main executable.
+ Copyright (C) 2018 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 <support/check.h>
+#include <support/support.h>
+#include <support/test-driver.h>
+
+void *get_absolute (void);
+
+static int
+do_test (void)
+{
+ void *ref = (void *) 0x55aa;
+ void *ptr;
+
+ ptr = get_absolute ();
+ if (ptr != ref)
+ FAIL_EXIT1 ("Got %p, expected %p\n", ptr, ref);
+
+ return 0;
+}
+
+#include <support/test-driver.c>
Index: glibc-2.26/sysdeps/aarch64/dl-machine.h
===================================================================
--- glibc-2.26.orig/sysdeps/aarch64/dl-machine.h
+++ glibc-2.26/sysdeps/aarch64/dl-machine.h
@@ -258,7 +258,7 @@ elf_machine_rela (struct link_map *map,
{
const ElfW(Sym) *const refsym = sym;
struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
- ElfW(Addr) value = sym_map == NULL ? 0 : sym_map->l_addr + sym->st_value;
+ ElfW(Addr) value = SYMBOL_ADDRESS (sym_map, sym, true);
if (sym != NULL
&& __glibc_unlikely (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC)
Index: glibc-2.26/sysdeps/alpha/dl-machine.h
===================================================================
--- glibc-2.26.orig/sysdeps/alpha/dl-machine.h
+++ glibc-2.26/sysdeps/alpha/dl-machine.h
@@ -419,7 +419,7 @@ elf_machine_rela (struct link_map *map,
if (sym_map)
{
sym_raw_value += sym->st_value;
- sym_value = sym_raw_value + sym_map->l_addr;
+ sym_value += SYMBOL_ADDRESS (sym_map, sym, true);
}
if (r_type == R_ALPHA_GLOB_DAT)
Index: glibc-2.26/sysdeps/arm/dl-machine.h
===================================================================
--- glibc-2.26.orig/sysdeps/arm/dl-machine.h
+++ glibc-2.26/sysdeps/arm/dl-machine.h
@@ -389,7 +389,7 @@ elf_machine_rel (struct link_map *map, c
{
const Elf32_Sym *const refsym = sym;
struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
- Elf32_Addr value = sym_map == NULL ? 0 : sym_map->l_addr + sym->st_value;
+ Elf32_Addr value = SYMBOL_ADDRESS (sym_map, sym, true);
if (sym != NULL
&& __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC, 0)
@@ -449,7 +449,7 @@ elf_machine_rel (struct link_map *map, c
binding found in the user program or a loaded library
rather than the dynamic linker's built-in definitions
used while loading those libraries. */
- value -= map->l_addr + refsym->st_value;
+ value -= SYMBOL_ADDRESS (map, refsym, true);
# endif
/* Support relocations on mis-aligned offsets. */
((struct unaligned *) reloc_addr)->x += value;
@@ -551,7 +551,7 @@ elf_machine_rela (struct link_map *map,
const Elf32_Sym *const refsym = sym;
# endif
struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
- Elf32_Addr value = sym_map == NULL ? 0 : sym_map->l_addr + sym->st_value;
+ Elf32_Addr value = SYMBOL_ADDRESS (sym_map, sym, true);
if (sym != NULL
&& __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC, 0)
Index: glibc-2.26/sysdeps/generic/ldsodefs.h
===================================================================
--- glibc-2.26.orig/sysdeps/generic/ldsodefs.h
+++ glibc-2.26/sysdeps/generic/ldsodefs.h
@@ -66,14 +66,21 @@ __BEGIN_DECLS
/* Result of the lookup functions and how to retrieve the base address. */
typedef struct link_map *lookup_t;
#define LOOKUP_VALUE(map) map
-#define LOOKUP_VALUE_ADDRESS(map) ((map) ? (map)->l_addr : 0)
+#define LOOKUP_VALUE_ADDRESS(map, set) ((set) || (map) ? (map)->l_addr : 0)
+
+/* Calculate the address of symbol REF using the base address from map MAP,
+ if non-NULL. Don't check for NULL map if MAP_SET is TRUE. */
+#define SYMBOL_ADDRESS(map, ref, map_set) \
+ ((ref) == NULL ? 0 \
+ : (__glibc_unlikely ((ref)->st_shndx == SHN_ABS) ? 0 \
+ : LOOKUP_VALUE_ADDRESS (map, map_set)) + (ref)->st_value)
/* On some architectures a pointer to a function is not just a pointer
to the actual code of the function but rather an architecture
specific descriptor. */
#ifndef ELF_FUNCTION_PTR_IS_SPECIAL
# define DL_SYMBOL_ADDRESS(map, ref) \
- (void *) (LOOKUP_VALUE_ADDRESS (map) + ref->st_value)
+ (void *) SYMBOL_ADDRESS (map, ref, false)
# define DL_LOOKUP_ADDRESS(addr) ((ElfW(Addr)) (addr))
# define DL_CALL_DT_INIT(map, start, argc, argv, env) \
((init_t) (start)) (argc, argv, env)
Index: glibc-2.26/sysdeps/hppa/dl-machine.h
===================================================================
--- glibc-2.26.orig/sysdeps/hppa/dl-machine.h
+++ glibc-2.26/sysdeps/hppa/dl-machine.h
@@ -565,7 +565,7 @@ elf_machine_rela (struct link_map *map,
if (sym_map)
{
- value = sym ? sym_map->l_addr + sym->st_value : 0;
+ value = SYMBOL_ADDRESS (sym_map, sym, true);
value += reloc->r_addend;
}
else
@@ -589,8 +589,8 @@ elf_machine_rela (struct link_map *map,
case R_PARISC_DIR21L:
{
unsigned int insn = *(unsigned int *)reloc_addr;
- value = sym_map->l_addr + sym->st_value
- + ((reloc->r_addend + 0x1000) & -0x2000);
+ value = (SYMBOL_ADDRESS (sym_map, sym, true)
+ + ((reloc->r_addend + 0x1000) & -0x2000));
value = value >> 11;
insn = (insn &~ 0x1fffff) | reassemble_21 (value);
*(unsigned int *)reloc_addr = insn;
@@ -600,8 +600,8 @@ elf_machine_rela (struct link_map *map,
case R_PARISC_DIR14R:
{
unsigned int insn = *(unsigned int *)reloc_addr;
- value = ((sym_map->l_addr + sym->st_value) & 0x7ff)
- + (((reloc->r_addend & 0x1fff) ^ 0x1000) - 0x1000);
+ value = ((SYMBOL_ADDRESS (sym_map, sym, true) & 0x7ff)
+ + (((reloc->r_addend & 0x1fff) ^ 0x1000) - 0x1000));
insn = (insn &~ 0x3fff) | reassemble_14 (value);
*(unsigned int *)reloc_addr = insn;
}
Index: glibc-2.26/sysdeps/hppa/dl-symaddr.c
===================================================================
--- glibc-2.26.orig/sysdeps/hppa/dl-symaddr.c
+++ glibc-2.26/sysdeps/hppa/dl-symaddr.c
@@ -23,7 +23,7 @@ void *
_dl_symbol_address (struct link_map *map, const ElfW(Sym) *ref)
{
/* Find the "ip" from the "map" and symbol "ref" */
- Elf32_Addr value = (map ? map->l_addr : 0) + ref->st_value;
+ Elf32_Addr value = SYMBOL_ADDRESS (map, ref, false);
/* On hppa, we have to return the pointer to function descriptor.
This involves an "| 2" to inform $$dyncall that this is a plabel32 */
Index: glibc-2.26/sysdeps/i386/dl-machine.h
===================================================================
--- glibc-2.26.orig/sysdeps/i386/dl-machine.h
+++ glibc-2.26/sysdeps/i386/dl-machine.h
@@ -315,7 +315,7 @@ elf_machine_rel (struct link_map *map, c
const Elf32_Sym *const refsym = sym;
# endif
struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
- Elf32_Addr value = sym_map == NULL ? 0 : sym_map->l_addr + sym->st_value;
+ Elf32_Addr value = SYMBOL_ADDRESS (sym_map, sym, true);
if (sym != NULL
&& __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC,
@@ -496,7 +496,7 @@ elf_machine_rela (struct link_map *map,
const Elf32_Sym *const refsym = sym;
# endif
struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
- Elf32_Addr value = sym == NULL ? 0 : sym_map->l_addr + sym->st_value;
+ Elf32_Addr value = SYMBOL_ADDRESS (sym_map, sym, true);
if (sym != NULL
&& __builtin_expect (sym->st_shndx != SHN_UNDEF, 1)
Index: glibc-2.26/sysdeps/ia64/dl-machine.h
===================================================================
--- glibc-2.26.orig/sysdeps/ia64/dl-machine.h
+++ glibc-2.26/sysdeps/ia64/dl-machine.h
@@ -419,7 +419,7 @@ elf_machine_rela (struct link_map *map,
/* RESOLVE_MAP() will return NULL if it fail to locate the symbol. */
if ((sym_map = RESOLVE_MAP (&sym, version, r_type)))
{
- value = sym_map->l_addr + sym->st_value + reloc->r_addend;
+ value = SYMBOL_ADDRESS (sym_map, sym, true) + reloc->r_addend;
if (R_IA64_TYPE (r_type) == R_IA64_TYPE (R_IA64_DIR64LSB))
;/* No adjustment. */
Index: glibc-2.26/sysdeps/m68k/dl-machine.h
===================================================================
--- glibc-2.26.orig/sysdeps/m68k/dl-machine.h
+++ glibc-2.26/sysdeps/m68k/dl-machine.h
@@ -223,7 +223,7 @@ elf_machine_rela (struct link_map *map,
{
const Elf32_Sym *const refsym = sym;
struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
- Elf32_Addr value = sym == NULL ? 0 : sym_map->l_addr + sym->st_value;
+ Elf32_Addr value = SYMBOL_ADDRESS (sym_map, sym, true);
switch (r_type)
{
Index: glibc-2.26/sysdeps/microblaze/dl-machine.h
===================================================================
--- glibc-2.26.orig/sysdeps/microblaze/dl-machine.h
+++ glibc-2.26/sysdeps/microblaze/dl-machine.h
@@ -223,7 +223,7 @@ elf_machine_rela (struct link_map *map,
{
const Elf32_Sym *const refsym = sym;
struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
- Elf32_Addr value = sym == NULL ? 0 : sym_map->l_addr + sym->st_value;
+ Elf32_Addr value = SYMBOL_ADDRESS (sym_map, sym, true);
value += reloc->r_addend;
if (r_type == R_MICROBLAZE_GLOB_DAT ||
Index: glibc-2.26/sysdeps/mips/dl-machine.h
===================================================================
--- glibc-2.26.orig/sysdeps/mips/dl-machine.h
+++ glibc-2.26/sysdeps/mips/dl-machine.h
@@ -220,7 +220,7 @@ do { \
while (i--) \
{ \
if (sym->st_shndx == SHN_UNDEF || sym->st_shndx == SHN_COMMON) \
- *got = map->l_addr + sym->st_value; \
+ *got = SYMBOL_ADDRESS (map, sym, true); \
else if (ELFW(ST_TYPE) (sym->st_info) == STT_FUNC \
&& *got != sym->st_value) \
*got += map->l_addr; \
@@ -230,7 +230,7 @@ do { \
*got += map->l_addr; \
} \
else \
- *got = map->l_addr + sym->st_value; \
+ *got = SYMBOL_ADDRESS (map, sym, true); \
\
got++; \
sym++; \
@@ -598,7 +598,7 @@ elf_machine_reloc (struct link_map *map,
#ifndef RTLD_BOOTSTRAP
if (map != &GL(dl_rtld_map))
#endif
- reloc_value += sym->st_value + map->l_addr;
+ reloc_value += SYMBOL_ADDRESS (map, sym, true);
}
else
{
@@ -663,7 +663,7 @@ elf_machine_reloc (struct link_map *map,
"found jump slot relocation with non-zero addend");
sym_map = RESOLVE_MAP (&sym, version, r_type);
- value = sym_map == NULL ? 0 : sym_map->l_addr + sym->st_value;
+ value = SYMBOL_ADDRESS (sym_map, sym, true);
*addr_field = value;
break;
@@ -677,7 +677,7 @@ elf_machine_reloc (struct link_map *map,
/* Calculate the address of the symbol. */
sym_map = RESOLVE_MAP (&sym, version, r_type);
- value = sym_map == NULL ? 0 : sym_map->l_addr + sym->st_value;
+ value = SYMBOL_ADDRESS (sym_map, sym, true);
if (__builtin_expect (sym == NULL, 0))
/* This can happen in trace mode if an object could not be
@@ -797,7 +797,7 @@ elf_machine_got_rel (struct link_map *ma
= vernum ? &map->l_versions[vernum[sym_index] & 0x7fff] : NULL; \
struct link_map *sym_map; \
sym_map = RESOLVE_MAP (&ref, version, reloc); \
- ref ? sym_map->l_addr + ref->st_value : 0; \
+ SYMBOL_ADDRESS (sym_map, ref, true); \
})
if (map->l_info[VERSYMIDX (DT_VERSYM)] != NULL)
@@ -841,7 +841,7 @@ elf_machine_got_rel (struct link_map *ma
&& !(sym->st_other & STO_MIPS_PLT))
{
if (lazy)
- *got = sym->st_value + map->l_addr;
+ *got = SYMBOL_ADDRESS (map, sym, true);
else
/* This is a lazy-binding stub, so we don't need the
canonical address. */
Index: glibc-2.26/sysdeps/mips/dl-trampoline.c
===================================================================
--- glibc-2.26.orig/sysdeps/mips/dl-trampoline.c
+++ glibc-2.26/sysdeps/mips/dl-trampoline.c
@@ -192,12 +192,12 @@ __dl_runtime_resolve (ElfW(Word) sym_ind
/* Currently value contains the base load address of the object
that defines sym. Now add in the symbol offset. */
- value = (sym ? sym_map->l_addr + sym->st_value : 0);
+ value = SYMBOL_ADDRESS (sym_map, sym, true);
}
else
/* We already found the symbol. The module (and therefore its load
address) is also known. */
- value = l->l_addr + sym->st_value;
+ value = SYMBOL_ADDRESS (l, sym, true);
/* Apply the relocation with that value. */
*(got + local_gotno + sym_index - gotsym) = value;
Index: glibc-2.26/sysdeps/nios2/dl-machine.h
===================================================================
--- glibc-2.26.orig/sysdeps/nios2/dl-machine.h
+++ glibc-2.26/sysdeps/nios2/dl-machine.h
@@ -250,7 +250,7 @@ elf_machine_rela (struct link_map *map,
{
const Elf32_Sym *const refsym = sym;
struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
- Elf32_Addr value = sym == NULL ? 0 : sym_map->l_addr + sym->st_value;
+ Elf32_Addr value = SYMBOL_ADDRESS (sym_map, sym, true);
switch (r_type)
{
Index: glibc-2.26/sysdeps/powerpc/powerpc32/dl-machine.h
===================================================================
--- glibc-2.26.orig/sysdeps/powerpc/powerpc32/dl-machine.h
+++ glibc-2.26/sysdeps/powerpc/powerpc32/dl-machine.h
@@ -314,7 +314,7 @@ elf_machine_rela (struct link_map *map,
else
{
sym_map = RESOLVE_MAP (&sym, version, r_type);
- value = sym_map == NULL ? 0 : sym_map->l_addr + sym->st_value;
+ value = SYMBOL_ADDRESS (sym_map, sym, true);
}
value += reloc->r_addend;
#else
Index: glibc-2.26/sysdeps/powerpc/powerpc64/dl-machine.h
===================================================================
--- glibc-2.26.orig/sysdeps/powerpc/powerpc64/dl-machine.h
+++ glibc-2.26/sysdeps/powerpc/powerpc64/dl-machine.h
@@ -706,8 +706,7 @@ elf_machine_rela (struct link_map *map,
/* We need SYM_MAP even in the absence of TLS, for elf_machine_fixup_plt
and STT_GNU_IFUNC. */
struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
- Elf64_Addr value = ((sym_map == NULL ? 0 : sym_map->l_addr + sym->st_value)
- + reloc->r_addend);
+ Elf64_Addr value = SYMBOL_ADDRESS (sym_map, sym, true) + reloc->r_addend;
if (sym != NULL
&& __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC, 0)
Index: glibc-2.26/sysdeps/s390/s390-32/dl-machine.h
===================================================================
--- glibc-2.26.orig/sysdeps/s390/s390-32/dl-machine.h
+++ glibc-2.26/sysdeps/s390/s390-32/dl-machine.h
@@ -358,7 +358,7 @@ elf_machine_rela (struct link_map *map,
const Elf32_Sym *const refsym = sym;
#endif
struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
- Elf32_Addr value = sym == NULL ? 0 : sym_map->l_addr + sym->st_value;
+ Elf32_Addr value = SYMBOL_ADDRESS (sym_map, sym, true);
if (sym != NULL
&& __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC, 0)
Index: glibc-2.26/sysdeps/s390/s390-64/dl-machine.h
===================================================================
--- glibc-2.26.orig/sysdeps/s390/s390-64/dl-machine.h
+++ glibc-2.26/sysdeps/s390/s390-64/dl-machine.h
@@ -305,7 +305,7 @@ elf_machine_rela (struct link_map *map,
const Elf64_Sym *const refsym = sym;
#endif
struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
- Elf64_Addr value = sym == NULL ? 0 : sym_map->l_addr + sym->st_value;
+ Elf64_Addr value = SYMBOL_ADDRESS (sym_map, sym, true);
if (sym != NULL
&& __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC,
Index: glibc-2.26/sysdeps/sh/dl-machine.h
===================================================================
--- glibc-2.26.orig/sysdeps/sh/dl-machine.h
+++ glibc-2.26/sysdeps/sh/dl-machine.h
@@ -320,7 +320,7 @@ elf_machine_rela (struct link_map *map,
const Elf32_Sym *const refsym = sym;
struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
- value = sym_map == NULL ? 0 : sym_map->l_addr + sym->st_value;
+ value = SYMBOL_ADDRESS (sym_map, sym, true);
value += reloc->r_addend;
switch (r_type)
@@ -406,7 +406,7 @@ elf_machine_rela (struct link_map *map,
binding found in the user program or a loaded library
rather than the dynamic linker's built-in definitions
used while loading those libraries. */
- value -= map->l_addr + refsym->st_value + reloc->r_addend;
+ value -= SYMBOL_ADDRESS (map, refsym, true) + reloc->r_addend;
#endif
COPY_UNALIGNED_WORD (&value, reloc_addr_arg,
(int) reloc_addr_arg & 3);
Index: glibc-2.26/sysdeps/sparc/sparc32/dl-machine.h
===================================================================
--- glibc-2.26.orig/sysdeps/sparc/sparc32/dl-machine.h
+++ glibc-2.26/sysdeps/sparc/sparc32/dl-machine.h
@@ -381,7 +381,7 @@ elf_machine_rela (struct link_map *map,
else
{
sym_map = RESOLVE_MAP (&sym, version, r_type);
- value = sym_map == NULL ? 0 : sym_map->l_addr + sym->st_value;
+ value = SYMBOL_ADDRESS (sym_map, sym, true);
}
#else
value = 0;
Index: glibc-2.26/sysdeps/sparc/sparc64/dl-machine.h
===================================================================
--- glibc-2.26.orig/sysdeps/sparc/sparc64/dl-machine.h
+++ glibc-2.26/sysdeps/sparc/sparc64/dl-machine.h
@@ -408,7 +408,7 @@ elf_machine_rela (struct link_map *map,
else
{
sym_map = RESOLVE_MAP (&sym, version, r_type);
- value = sym_map == NULL ? 0 : sym_map->l_addr + sym->st_value;
+ value = SYMBOL_ADDRESS (sym_map, sym, true);
}
#else
value = 0;
Index: glibc-2.26/sysdeps/tile/dl-machine.h
===================================================================
--- glibc-2.26.orig/sysdeps/tile/dl-machine.h
+++ glibc-2.26/sysdeps/tile/dl-machine.h
@@ -559,7 +559,7 @@ elf_machine_rela (struct link_map *map,
else if (ELFW_ST_TYPE (sym->st_info) == STT_SECTION)
value = map->l_addr; /* like a RELATIVE reloc */
else
- value = sym_map->l_addr + sym->st_value;
+ value = SYMBOL_ADDRESS (sym_map, sym, true);
if (sym != NULL
&& __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC, 0)
Index: glibc-2.26/sysdeps/x86_64/dl-machine.h
===================================================================
--- glibc-2.26.orig/sysdeps/x86_64/dl-machine.h
+++ glibc-2.26/sysdeps/x86_64/dl-machine.h
@@ -306,8 +306,7 @@ elf_machine_rela (struct link_map *map,
const ElfW(Sym) *const refsym = sym;
# endif
struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
- ElfW(Addr) value = (sym == NULL ? 0
- : (ElfW(Addr)) sym_map->l_addr + sym->st_value);
+ ElfW(Addr) value = SYMBOL_ADDRESS (sym_map, sym, true);
if (sym != NULL
&& __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC,
