* configure.in (AC_CHECK_HEADERS): Add elf-hints.h.
* Makefile.am (HFILES): Add elf-hints-local.h.
* elf-hints-local.h: New file.
* Makefile.in: Regenerate.
* configure: Regenerate.
+2006-04-11 Diego Pettenò <flameeyes@gentoo.org>
+
+ * emultempl/elf32.em: Add support for elf-hints.h on FreeBSD
+ and Dragonfly targets.
+ * configure.in (AC_CHECK_HEADERS): Add elf-hints.h.
+ * Makefile.am (HFILES): Add elf-hints-local.h.
+ * elf-hints-local.h: New file.
+ * Makefile.in: Regenerate.
+ * configure: Regenerate.
+
2006-04-07 Bernhard Fischer <aldot@gcc.gnu.org>
* ld.texinfo: Fix typo in documentation of --check-sections.
HFILES = ld.h ldctor.h ldemul.h ldexp.h ldfile.h \
ldlang.h ldlex.h ldmain.h ldmisc.h ldver.h \
- ldwrite.h mri.h deffile.h pe-dll.h
+ ldwrite.h mri.h deffile.h pe-dll.h elf-hints-local.h
GENERATED_CFILES = ldgram.c ldlex.c deffilep.c
GENERATED_HFILES = ldgram.h ldemul-list.h deffilep.h
HFILES = ld.h ldctor.h ldemul.h ldexp.h ldfile.h \
ldlang.h ldlex.h ldmain.h ldmisc.h ldver.h \
- ldwrite.h mri.h deffile.h pe-dll.h
+ ldwrite.h mri.h deffile.h pe-dll.h elf-hints-local.h
GENERATED_CFILES = ldgram.c ldlex.c deffilep.c
GENERATED_HFILES = ldgram.h ldemul-list.h deffilep.h
else \
rc=$$?; \
cd $(srcdir) && \
- $$restore $$backupdir/* `echo "./$@" | sed 's|[^/]*$$||'`; \
+ $$restore $$backupdir/* `echo "$@" | sed 's|[^/]*$$||'`; \
fi; \
rm -rf $$backupdir; exit $$rc
-for ac_header in string.h strings.h stdlib.h unistd.h
+
+for ac_header in string.h strings.h stdlib.h unistd.h elf-hints.h
do
as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
if eval "test \"\${$as_ac_Header+set}\" = set"; then
AC_SUBST(HOSTING_LIBS)
AC_SUBST(NATIVE_LIB_DIRS)
-AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h)
+AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h)
AC_CHECK_FUNCS(sbrk realpath glob)
AC_HEADER_DIRENT
--- /dev/null
+/* Copyright (c) 1997 John D. Polstra.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ SUCH DAMAGE. */
+
+#ifndef _ELF_HINTS_H_
+#define _ELF_HINTS_H_
+
+/* Hints file produced by ldconfig. */
+struct elfhints_hdr
+{
+ u_int32_t magic; /* Magic number. */
+ u_int32_t version; /* File version (1). */
+ u_int32_t strtab; /* Offset of string table in file. */
+ u_int32_t strsize; /* Size of string table. */
+ u_int32_t dirlist; /* Offset of directory list in string table. */
+ u_int32_t dirlistlen; /* strlen(dirlist). */
+ u_int32_t spare[26]; /* Room for expansion. */
+};
+
+#define ELFHINTS_MAGIC 0x746e6845
+
+#define _PATH_ELF_HINTS "/var/run/ld-elf.so.hints"
+
+#endif /* !_ELF_HINTS_H_ */
EOF
case ${target} in
+ *-*-freebsd* | *-*-dragonfly*)
+ cat >>e${EMULATION_NAME}.c <<EOF
+/* Read the system search path the FreeBSD way rather than the Linux way. */
+#ifdef HAVE_ELF_HINTS_H
+#include <elf-hints.h>
+#else
+#include "elf-hints-local.h"
+#endif
+
+static bfd_boolean
+gld${EMULATION_NAME}_check_ld_elf_hints (const char *name, int force)
+{
+ static bfd_boolean initialized;
+ static char *ld_elf_hints;
+ struct dt_needed needed;
+
+ if (!initialized)
+ {
+ FILE *f;
+ char *tmppath;
+
+ tmppath = concat (ld_sysroot, _PATH_ELF_HINTS, NULL);
+ f = fopen (tmppath, FOPEN_RB);
+ free (tmppath);
+ if (f != NULL)
+ {
+ struct elfhints_hdr hdr;
+
+ if (fread (&hdr, 1, sizeof (hdr), f) == sizeof (hdr)
+ && hdr.magic == ELFHINTS_MAGIC
+ && hdr.version == 1)
+ {
+ if (fseek (f, hdr.strtab + hdr.dirlist, SEEK_SET) != -1)
+ {
+ char *b;
+
+ b = xmalloc (hdr.dirlistlen + 1);
+ if (fread (b, 1, hdr.dirlistlen + 1, f) ==
+ hdr.dirlistlen + 1)
+ ld_elf_hints = gld${EMULATION_NAME}_add_sysroot (b);
+
+ free (b);
+ }
+ }
+ fclose (f);
+ }
+
+ initialized = TRUE;
+ }
+
+ if (ld_elf_hints == NULL)
+ return FALSE;
+
+ needed.by = NULL;
+ needed.name = name;
+ return gld${EMULATION_NAME}_search_needed (ld_elf_hints, & needed,
+ force);
+}
+EOF
+ # FreeBSD
+ ;;
+
*-*-linux-* | *-*-k*bsd*-*)
cat >>e${EMULATION_NAME}.c <<EOF
/* For a native linker, check the file /etc/ld.so.conf for directories
fi
if [ "x${USE_LIBPATH}" = xyes ] ; then
case ${target} in
+ *-*-freebsd* | *-*-dragonfly*)
+ cat >>e${EMULATION_NAME}.c <<EOF
+ if (gld${EMULATION_NAME}_check_ld_elf_hints (l->name, force))
+ break;
+EOF
+ # FreeBSD
+ ;;
+
*-*-linux-* | *-*-k*bsd*-*)
# Linux
cat >>e${EMULATION_NAME}.c <<EOF
projects / binutils-gdb.git / commitdiff