diff --git a/ChangeLog b/ChangeLog
-index cb9124e..b32cd09 100644
+index cb9124e..b1816c2 100644
--- a/ChangeLog
+++ b/ChangeLog
-@@ -1,3 +1,159 @@
+@@ -1,3 +1,223 @@
++2015-11-20 Roland McGrath <roland@hack.frob.com>
++
++ * sysdeps/nacl/dl-map-segments.h (_dl_map_segments): Use
++ __glibc_likely instead of __builtin_expect. After falling back to
++ dyncode_create in a non-ET_DYN case, use the allocate_code_data
++ system interface to register the code pages as occupied.
++
++2015-11-14 H.J. Lu <hongjiu.lu@intel.com>
++
++ * config.make.in (have-glob-dat-reloc): New.
++ * configure.ac (libc_cv_has_glob_dat): New. Set to yes if
++ target supports GLOB_DAT relocaton. AC_SUBST.
++ * configure: Regenerated.
++ * elf/Makefile (tests): Add tst-prelink.
++ (tests-special): Add $(objpfx)tst-prelink-cmp.out.
++ (tst-prelink-ENV): New.
++ ($(objpfx)tst-prelink-conflict.out): Likewise.
++ ($(objpfx)tst-prelink-cmp.out): Likewise.
++ * sysdeps/x86/tst-prelink.c: Moved to ...
++ * elf/tst-prelink.c: Here.
++ * sysdeps/x86/tst-prelink.exp: Moved to ...
++ * elf/tst-prelink.exp: Here.
++ * sysdeps/x86/Makefile (tests): Don't add tst-prelink.
++ (tst-prelink-ENV): Removed.
++ ($(objpfx)tst-prelink-conflict.out): Likewise.
++ ($(objpfx)tst-prelink-cmp.out): Likewise.
++ (tests-special): Don't add $(objpfx)tst-prelink-cmp.out.
++
++2015-11-10 Roland McGrath <roland@hack.frob.com>
++
++ * elf/dl-load.c (open_verify): Take new argument FD.
++ Skip __open call if passed FD is not -1.
++ (_dl_map_object, open_path): Update callers.
++ * elf/dl-sysdep-open.h: New file.
++ * elf/dl-load.c: Include it.
++ (_dl_map_object): Try _dl_sysdep_open_object before ldconfig cache.
++ * sysdeps/nacl/dl-sysdep.c (_dl_sysdep_open_object): New function.
++ * sysdeps/nacl/dl-sysdep-open.h: New file.
++ * sysdeps/nacl/nacl-interface-list.h: Move nacl_irt_resource_open
++ from libc to rtld.
++
++2015-11-10 H.J. Lu <hongjiu.lu@intel.com>
++
++ [BZ #19178]
++ * sysdeps/x86/Makefile (tests): Add tst-prelink.
++ (tst-prelink-ENV): New.
++ ($(objpfx)tst-prelink-conflict.out): Likewise.
++ ($(objpfx)tst-prelink-cmp.out): Likewise.
++ (tests-special): Add $(objpfx)tst-prelink-cmp.out.
++ * sysdeps/x86/tst-prelink.c: New file.
++ * sysdeps/x86/tst-prelink.exp: Likewise.
++
++2015-11-07 H.J. Lu <hongjiu.lu@intel.com>
++
++ [BZ #19178]
++ * elf/dl-lookup.c (RTYPE_CLASS_VALID): New.
++ (RTYPE_CLASS_PLT): Likewise.
++ (RTYPE_CLASS_COPY): Likewise.
++ (RTYPE_CLASS_TLS): Likewise.
++ (_dl_debug_bindings): Use RTYPE_CLASS_TLS and RTYPE_CLASS_VALID
++ to set relocation type class for DL_DEBUG_PRELINK. Keep only
++ ELF_RTYPE_CLASS_PLT and ELF_RTYPE_CLASS_COPY bits for
++ DL_DEBUG_PRELINK.
++
+2015-10-20 Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
+
+ [BZ #18743]
* version.h (RELEASE): Set to "stable".
diff --git a/NEWS b/NEWS
-index 4c31de7..92037ce 100644
+index 4c31de7..30fe67c 100644
--- a/NEWS
+++ b/NEWS
@@ -5,6 +5,16 @@ See the end for copying conditions.
+* The following bugs are resolved with this release:
+
+ 18589, 18743, 18778, 18781, 18787, 18796, 18870, 18887, 18921, 18928,
-+ 18969, 19018.
++ 18969, 19018, 19178.
+
+* The LD_POINTER_GUARD environment variable can no longer be used to
+ disable the pointer guard feature. It is always enabled.
removed from the standard in 2001. Also, the glibc implementation
leaks memory. See BZ#18681 for more details.
\f
+diff --git a/config.make.in b/config.make.in
+index a9f5696..46cd9bb 100644
+--- a/config.make.in
++++ b/config.make.in
+@@ -51,6 +51,7 @@ have-z-combreloc = @libc_cv_z_combreloc@
+ have-z-execstack = @libc_cv_z_execstack@
+ have-Bgroup = @libc_cv_Bgroup@
+ have-protected-data = @libc_cv_protected_data@
++have-glob-dat-reloc = @libc_cv_has_glob_dat@
+ with-fp = @with_fp@
+ old-glibc-headers = @old_glibc_headers@
+ unwind-find-fde = @libc_cv_gcc_unwind_find_fde@
+diff --git a/configure b/configure
+index 45cc7cb..4f87b31 100755
+--- a/configure
++++ b/configure
+@@ -628,6 +628,7 @@ gnu89_inline
+ libc_cv_ssp
+ fno_unit_at_a_time
+ libc_cv_output_format
++libc_cv_has_glob_dat
+ libc_cv_hashstyle
+ libc_cv_fpie
+ libc_cv_z_execstack
+@@ -6335,6 +6336,39 @@ $as_echo "$libc_cv_use_default_link" >&6; }
+ use_default_link=$libc_cv_use_default_link
+ fi
+
++{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GLOB_DAT reloc" >&5
++$as_echo_n "checking for GLOB_DAT reloc... " >&6; }
++if ${libc_cv_has_glob_dat+:} false; then :
++ $as_echo_n "(cached) " >&6
++else
++ cat > conftest.c <<EOF
++extern int mumble;
++int foo (void) { return mumble; }
++EOF
++if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
++ -fPIC -shared -o conftest.so conftest.c
++ -nostdlib -nostartfiles
++ 1>&5'
++ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
++ (eval $ac_try) 2>&5
++ ac_status=$?
++ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
++ test $ac_status = 0; }; }
++then
++ if $READELF -rW conftest.so | grep '_GLOB_DAT' > /dev/null; then
++ libc_cv_has_glob_dat=yes
++ else
++ libc_cv_has_glob_dat=no
++ fi
++else
++ libc_cv_has_glob_dat=no
++fi
++rm -f conftest*
++fi
++{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_has_glob_dat" >&5
++$as_echo "$libc_cv_has_glob_dat" >&6; }
++
++
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking linker output format" >&5
+ $as_echo_n "checking linker output format... " >&6; }
+ if ${libc_cv_output_format+:} false; then :
+diff --git a/configure.ac b/configure.ac
+index 7e9383a..8be612d 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -1535,6 +1535,29 @@ $ac_try"
+ use_default_link=$libc_cv_use_default_link
+ fi
+
++AC_CACHE_CHECK(for GLOB_DAT reloc,
++ libc_cv_has_glob_dat, [dnl
++cat > conftest.c <<EOF
++extern int mumble;
++int foo (void) { return mumble; }
++EOF
++if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
++ -fPIC -shared -o conftest.so conftest.c
++ -nostdlib -nostartfiles
++ 1>&AS_MESSAGE_LOG_FD])
++then
++dnl look for GLOB_DAT relocation.
++ if $READELF -rW conftest.so | grep '_GLOB_DAT' > /dev/null; then
++ libc_cv_has_glob_dat=yes
++ else
++ libc_cv_has_glob_dat=no
++ fi
++else
++ libc_cv_has_glob_dat=no
++fi
++rm -f conftest*])
++AC_SUBST(libc_cv_has_glob_dat)
++
+ AC_CACHE_CHECK(linker output format, libc_cv_output_format, [dnl
+ if libc_cv_output_format=`
+ ${CC-cc} -nostartfiles -nostdlib -Wl,--print-output-format 2>&AS_MESSAGE_LOG_FD`
diff --git a/elf/Makefile b/elf/Makefile
-index 4ceeaf8..71a18a1 100644
+index 4ceeaf8..a2c43bc 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -148,7 +148,8 @@ tests += loadtest restest1 preloadtest loadfail multiload origtest resolvfail \
ifeq (yes,$(have-protected-data))
modules-names += tst-protected1moda tst-protected1modb
tests += tst-protected1a tst-protected1b
-@@ -594,6 +595,7 @@ tst-auditmod9b.so-no-z-defs = yes
+@@ -292,6 +293,13 @@ check-abi: $(objpfx)check-abi-ld.out
+ tests-special += $(objpfx)check-abi-ld.out
+ update-abi: update-abi-ld
+
++ifeq ($(have-glob-dat-reloc),yes)
++tests += tst-prelink
++ifeq ($(run-built-tests),yes)
++tests-special += $(objpfx)tst-prelink-cmp.out
++endif
++endif
++
+ include ../Rules
+
+ ifeq (yes,$(build-shared))
+@@ -594,6 +602,7 @@ tst-auditmod9b.so-no-z-defs = yes
tst-nodelete-uniquemod.so-no-z-defs = yes
tst-nodelete-rtldmod.so-no-z-defs = yes
tst-nodelete-zmod.so-no-z-defs = yes
ifeq ($(build-shared),yes)
# Build all the modules even when not actually running test programs.
-@@ -1164,6 +1166,11 @@ $(objpfx)tst-nodelete.out: $(objpfx)tst-nodelete-uniquemod.so \
+@@ -1164,6 +1173,11 @@ $(objpfx)tst-nodelete.out: $(objpfx)tst-nodelete-uniquemod.so \
LDFLAGS-tst-nodelete = -rdynamic
LDFLAGS-tst-nodelete-zmod.so = -Wl,--enable-new-dtags,-z,nodelete
$(objpfx)tst-initorder-cmp.out: tst-initorder.exp $(objpfx)tst-initorder.out
cmp $^ > $@; \
$(evaluate-test)
+@@ -1205,3 +1219,13 @@ $(objpfx)tst-unused-dep.out: $(objpfx)testobj1.so
+ $(objpfx)tst-unused-dep-cmp.out: $(objpfx)tst-unused-dep.out
+ cmp $< /dev/null > $@; \
+ $(evaluate-test)
++
++tst-prelink-ENV = LD_TRACE_PRELINKING=1
++
++$(objpfx)tst-prelink-conflict.out: $(objpfx)tst-prelink.out
++ grep stdout $< | grep conflict | $(AWK) '{ print $$10, $$11 }' > $@
++
++$(objpfx)tst-prelink-cmp.out: tst-prelink.exp \
++ $(objpfx)tst-prelink-conflict.out
++ cmp $^ > $@; \
++ $(evaluate-test)
diff --git a/elf/dl-close.c b/elf/dl-close.c
index 9105277..c897247 100644
--- a/elf/dl-close.c
}
assert (idx == nloaded);
+diff --git a/elf/dl-load.c b/elf/dl-load.c
+index 0c052e4..7e6f4c5 100644
+--- a/elf/dl-load.c
++++ b/elf/dl-load.c
+@@ -42,6 +42,7 @@
+ #include <dl-map-segments.h>
+ #include <dl-unmap-segments.h>
+ #include <dl-machine-reject-phdr.h>
++#include <dl-sysdep-open.h>
+
+
+ #include <endian.h>
+@@ -1471,9 +1472,13 @@ print_search_path (struct r_search_path_elem **list,
+ ignore only ELF files for other architectures. Non-ELF files and
+ ELF files with different header information cause fatal errors since
+ this could mean there is something wrong in the installation and the
+- user might want to know about this. */
++ user might want to know about this.
++
++ If FD is not -1, then the file is already open and FD refers to it.
++ In that case, FD is consumed for both successful and error returns. */
+ static int
+-open_verify (const char *name, struct filebuf *fbp, struct link_map *loader,
++open_verify (const char *name, int fd,
++ struct filebuf *fbp, struct link_map *loader,
+ int whatcode, int mode, bool *found_other_class, bool free_name)
+ {
+ /* This is the expected ELF header. */
+@@ -1514,6 +1519,7 @@ open_verify (const char *name, struct filebuf *fbp, struct link_map *loader,
+ if (__glibc_unlikely (GLRO(dl_naudit) > 0) && whatcode != 0
+ && loader->l_auditing == 0)
+ {
++ const char *original_name = name;
+ struct audit_ifaces *afct = GLRO(dl_audit);
+ for (unsigned int cnt = 0; cnt < GLRO(dl_naudit); ++cnt)
+ {
+@@ -1528,11 +1534,21 @@ open_verify (const char *name, struct filebuf *fbp, struct link_map *loader,
+
+ afct = afct->next;
+ }
++
++ if (fd != -1 && name != original_name && strcmp (name, original_name))
++ {
++ /* An audit library changed what we're supposed to open,
++ so FD no longer matches it. */
++ __close (fd);
++ fd = -1;
++ }
+ }
+ #endif
+
+- /* Open the file. We always open files read-only. */
+- int fd = __open (name, O_RDONLY | O_CLOEXEC);
++ if (fd == -1)
++ /* Open the file. We always open files read-only. */
++ fd = __open (name, O_RDONLY | O_CLOEXEC);
++
+ if (fd != -1)
+ {
+ ElfW(Ehdr) *ehdr;
+@@ -1801,7 +1817,7 @@ open_path (const char *name, size_t namelen, int mode,
+ if (__glibc_unlikely (GLRO(dl_debug_mask) & DL_DEBUG_LIBS))
+ _dl_debug_printf (" trying file=%s\n", buf);
+
+- fd = open_verify (buf, fbp, loader, whatcode, mode,
++ fd = open_verify (buf, -1, fbp, loader, whatcode, mode,
+ found_other_class, false);
+ if (this_dir->status[cnt] == unknown)
+ {
+@@ -2041,6 +2057,20 @@ _dl_map_object (struct link_map *loader, const char *name,
+ &loader->l_runpath_dirs, &realname, &fb, loader,
+ LA_SER_RUNPATH, &found_other_class);
+
++ if (fd == -1)
++ {
++ realname = _dl_sysdep_open_object (name, namelen, &fd);
++ if (realname != NULL)
++ {
++ fd = open_verify (realname, fd,
++ &fb, loader ?: GL(dl_ns)[nsid]._ns_loaded,
++ LA_SER_CONFIG, mode, &found_other_class,
++ false);
++ if (fd == -1)
++ free (realname);
++ }
++ }
++
+ #ifdef USE_LDCONFIG
+ if (fd == -1
+ && (__glibc_likely ((mode & __RTLD_SECURE) == 0)
+@@ -2086,7 +2116,7 @@ _dl_map_object (struct link_map *loader, const char *name,
+
+ if (cached != NULL)
+ {
+- fd = open_verify (cached,
++ fd = open_verify (cached, -1,
+ &fb, loader ?: GL(dl_ns)[nsid]._ns_loaded,
+ LA_SER_CONFIG, mode, &found_other_class,
+ false);
+@@ -2121,7 +2151,7 @@ _dl_map_object (struct link_map *loader, const char *name,
+ fd = -1;
+ else
+ {
+- fd = open_verify (realname, &fb,
++ fd = open_verify (realname, -1, &fb,
+ loader ?: GL(dl_ns)[nsid]._ns_loaded, 0, mode,
+ &found_other_class, true);
+ if (__glibc_unlikely (fd == -1))
+diff --git a/elf/dl-lookup.c b/elf/dl-lookup.c
+index 11cb44b..acf5280 100644
+--- a/elf/dl-lookup.c
++++ b/elf/dl-lookup.c
+@@ -1016,6 +1016,18 @@ _dl_debug_bindings (const char *undef_name, struct link_map *undef_map,
+ #ifdef SHARED
+ if (GLRO(dl_debug_mask) & DL_DEBUG_PRELINK)
+ {
++/* ELF_RTYPE_CLASS_XXX must match RTYPE_CLASS_XXX used by prelink with
++ LD_TRACE_PRELINKING. */
++#define RTYPE_CLASS_VALID 8
++#define RTYPE_CLASS_PLT (8|1)
++#define RTYPE_CLASS_COPY (8|2)
++#define RTYPE_CLASS_TLS (8|4)
++#if ELF_RTYPE_CLASS_PLT != 0 && ELF_RTYPE_CLASS_PLT != 1
++# error ELF_RTYPE_CLASS_PLT must be 0 or 1!
++#endif
++#if ELF_RTYPE_CLASS_COPY != 0 && ELF_RTYPE_CLASS_COPY != 2
++# error ELF_RTYPE_CLASS_COPY must be 0 or 2!
++#endif
+ int conflict = 0;
+ struct sym_val val = { NULL, NULL };
+
+@@ -1071,12 +1083,17 @@ _dl_debug_bindings (const char *undef_name, struct link_map *undef_map,
+
+ if (value->s)
+ {
++ /* Keep only ELF_RTYPE_CLASS_PLT and ELF_RTYPE_CLASS_COPY
++ bits since since prelink only uses them. */
++ type_class &= ELF_RTYPE_CLASS_PLT | ELF_RTYPE_CLASS_COPY;
+ if (__glibc_unlikely (ELFW(ST_TYPE) (value->s->st_info)
+ == STT_TLS))
+- type_class = 4;
++ /* Clear the RTYPE_CLASS_VALID bit in RTYPE_CLASS_TLS. */
++ type_class = RTYPE_CLASS_TLS & ~RTYPE_CLASS_VALID;
+ else if (__glibc_unlikely (ELFW(ST_TYPE) (value->s->st_info)
+ == STT_GNU_IFUNC))
+- type_class |= 8;
++ /* Set the RTYPE_CLASS_VALID bit. */
++ type_class |= RTYPE_CLASS_VALID;
+ }
+
+ if (conflict
+diff --git a/elf/dl-sysdep-open.h b/elf/dl-sysdep-open.h
+new file mode 100644
+index 0000000..a63d9f5
+--- /dev/null
++++ b/elf/dl-sysdep-open.h
+@@ -0,0 +1,45 @@
++/* System-specific call to open a shared object by name. Stub version.
++ Copyright (C) 2015 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/>. */
++
++#ifndef _DL_SYSDEP_OPEN_H
++#define _DL_SYSDEP_OPEN_H 1
++
++#include <assert.h>
++#include <stddef.h>
++
++/* NAME is a name without slashes, as it appears in a DT_NEEDED entry
++ or a dlopen call's argument or suchlike. NAMELEN is (strlen (NAME) + 1).
++
++ Find NAME in an OS-dependent fashion, and return its "real" name.
++ Optionally fill in *FD with a file descriptor open on that file (or
++ else leave its initial value of -1). The return value is a new
++ malloc'd string, which will be free'd by the caller. If NAME is
++ resolved to an actual file that can be opened, then the return
++ value should name that file (and if *FD was not set, then a normal
++ __open call on that string will be made). If *FD was set by some
++ other means than a normal open and there is no "real" name to use,
++ then __strdup (NAME) is fine (modulo error checking). */
++
++static inline char *
++_dl_sysdep_open_object (const char *name, size_t namelen, int *fd)
++{
++ assert (*fd == -1);
++ return NULL;
++}
++
++#endif /* dl-sysdep-open.h */
diff --git a/elf/rtld.c b/elf/rtld.c
index 69873c2..07e741c 100644
--- a/elf/rtld.c
+{
+ return not_exist ();
+}
+diff --git a/elf/tst-prelink.c b/elf/tst-prelink.c
+new file mode 100644
+index 0000000..ab61c4e
+--- /dev/null
++++ b/elf/tst-prelink.c
+@@ -0,0 +1,30 @@
++/* Test the output from the environment variable, LD_TRACE_PRELINKING,
++ for prelink.
++ Copyright (C) 2015 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 <stdio.h>
++
++static int
++do_test (void)
++{
++ fprintf (stdout, "hello\n");
++ return 0;
++}
++
++#define TEST_FUNCTION do_test ()
++#include "../test-skeleton.c"
+diff --git a/elf/tst-prelink.exp b/elf/tst-prelink.exp
+new file mode 100644
+index 0000000..b35b4c9
+--- /dev/null
++++ b/elf/tst-prelink.exp
+@@ -0,0 +1 @@
++/0 stdout
diff --git a/elf/tst-znodelete-zlib.cc b/elf/tst-znodelete-zlib.cc
deleted file mode 100644
index 1e8f368..0000000
+# this coming up seems unlikely.
+override sysdep_headers := $(sysdep_headers)
endif
+diff --git a/sysdeps/nacl/dl-map-segments.h b/sysdeps/nacl/dl-map-segments.h
+index f305da3..f2d5d84 100644
+--- a/sysdeps/nacl/dl-map-segments.h
++++ b/sysdeps/nacl/dl-map-segments.h
+@@ -53,7 +53,7 @@ _dl_map_segments (struct link_map *l, int fd,
+ const size_t maplength, bool has_holes,
+ struct link_map *loader)
+ {
+- if (__builtin_expect (type, ET_DYN) == ET_DYN)
++ if (__glibc_likely (type == ET_DYN))
+ {
+ /* This is a position-independent shared object. Let the system
+ choose where to place it.
+@@ -165,6 +165,32 @@ _dl_map_segments (struct link_map *l, int fd,
+ errno = error;
+ return DL_MAP_SEGMENTS_ERROR_MAP_SEGMENT;
+ }
++ if (__glibc_unlikely (type != ET_DYN))
++ {
++ /* A successful PROT_EXEC mmap would have implicitly
++ updated the bookkeeping so that a future
++ allocate_code_data call would know that this range
++ of the address space is already occupied. That
++ doesn't happen implicitly with dyncode_create, so
++ it's necessary to do an explicit call to update the
++ bookkeeping. */
++ uintptr_t allocated_address;
++ error = __nacl_irt_code_data_alloc.allocate_code_data
++ (l->l_addr + c->mapstart, len, 0, 0, &allocated_address);
++ if (__glibc_unlikely (error))
++ {
++ errno = error;
++ return DL_MAP_SEGMENTS_ERROR_MAP_SEGMENT;
++ }
++ if (__glibc_unlikely
++ (allocated_address != l->l_addr + c->mapstart))
++ {
++ /* This is not a very helpful error for this case,
++ but there isn't really anything better to use. */
++ errno = ENOMEM;
++ return DL_MAP_SEGMENTS_ERROR_MAP_SEGMENT;
++ }
++ }
+ }
+ else
+ {
+diff --git a/sysdeps/nacl/dl-sysdep-open.h b/sysdeps/nacl/dl-sysdep-open.h
+new file mode 100644
+index 0000000..38b0f9e
+--- /dev/null
++++ b/sysdeps/nacl/dl-sysdep-open.h
+@@ -0,0 +1,40 @@
++/* System-specific call to open a shared object by name. NaCl version.
++ Copyright (C) 2015 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/>. */
++
++#ifndef _DL_SYSDEP_OPEN_H
++#define _DL_SYSDEP_OPEN_H 1
++
++#include <stddef.h>
++
++/* NAME is a name without slashes, as it appears in a DT_NEEDED entry
++ or a dlopen call's argument or suchlike. NAMELEN is (strlen (NAME) + 1).
++
++ Find NAME in an OS-dependent fashion, and return its "real" name.
++ Optionally fill in *FD with a file descriptor open on that file (or
++ else leave its initial value of -1). The return value is a new
++ malloc'd string, which will be free'd by the caller. If NAME is
++ resolved to an actual file that can be opened, then the return
++ value should name that file (and if *FD was not set, then a normal
++ __open call on that string will be made). If *FD was set by some
++ other means than a normal open and there is no "real" name to use,
++ then __strdup (NAME) is fine (modulo error checking). */
++
++extern char *_dl_sysdep_open_object (const char *name, size_t namelen, int *fd)
++ internal_function attribute_hidden;
++
++#endif /* dl-sysdep-open.h */
+diff --git a/sysdeps/nacl/dl-sysdep.c b/sysdeps/nacl/dl-sysdep.c
+index 3e902c2..3a04aa1 100644
+--- a/sysdeps/nacl/dl-sysdep.c
++++ b/sysdeps/nacl/dl-sysdep.c
+@@ -87,3 +87,26 @@ _dl_start_user (void (*user_entry) (uint32_t info[]), uint32_t info[])
+ #endif /* SHARED */
+
+ #include <elf/dl-sysdep.c>
++
++#include <dl-sysdep-open.h>
++#include <nacl-interfaces.h>
++#include <assert.h>
++#include <string.h>
++#include <unistd.h>
++
++char *
++internal_function
++_dl_sysdep_open_object (const char *name, size_t namelen, int *fd)
++{
++ int error = __nacl_irt_resource_open.open_resource (name, fd);
++ if (error)
++ return NULL;
++ assert (*fd != -1);
++ char *realname = __strdup (name);
++ if (__glibc_unlikely (realname == NULL))
++ {
++ __close (*fd);
++ *fd = -1;
++ }
++ return realname;
++}
+diff --git a/sysdeps/nacl/nacl-interface-list.h b/sysdeps/nacl/nacl-interface-list.h
+index cb33751..c68faed 100644
+--- a/sysdeps/nacl/nacl-interface-list.h
++++ b/sysdeps/nacl/nacl-interface-list.h
+@@ -28,7 +28,7 @@ NACL_MANDATORY_INTERFACE (rtld,
+ NACL_IRT_FUTEX_v0_1, nacl_irt_futex)
+ NACL_MANDATORY_INTERFACE (rtld,
+ NACL_IRT_TLS_v0_1, nacl_irt_tls)
+-NACL_MANDATORY_INTERFACE (libc,
++NACL_MANDATORY_INTERFACE (rtld,
+ NACL_IRT_RESOURCE_OPEN_v0_1, nacl_irt_resource_open)
+ NACL_MANDATORY_INTERFACE (rtld,
+ NACL_IRT_CODE_DATA_ALLOC_v0_1,
diff --git a/sysdeps/nacl/start.c b/sysdeps/nacl/start.c
index a4b6dd3..8e8bc1a 100644
--- a/sysdeps/nacl/start.c
projects / packages / glibc.git / commitdiff