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Revert Linux directory searching: it turns out that Linux no longer
uses it.
This commit is contained in:
Ian Lance Taylor
parent
b088e4b229
commit
57aa2887e8
13
ld/ChangeLog
13
ld/ChangeLog
@ -1,18 +1,5 @@
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Fri Sep 8 16:32:43 1995 Ian Lance Taylor <ian@cygnus.com>
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Add Linux style directory searching.
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* configure.tgt: Add i386lelf to targ_extra_emuls for
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i[345]86-*-linuxaout* and i[345]86-*-linuxoldld. For
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i[345]86-*-linux*, set targ_emul to i386lelf, and add elf_i386 to
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targ_extra_emuls.
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* emulparams/i386lelf.sh: New file, a copy of elf_i386.sh.
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* emultempl/elf32.em: If TARGET_IS_i386lelf, use autoconf
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recommended mechanism to define DIR and struct dirent.
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(libcmp): New static function use only when TARGET_IS_i386lelf.
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(gld${EMULATION_NAME}_open_dynamic_archive): Likewise.
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* Makefile.in (ALL_EMULATIONS): Add ei386lelf.o
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(ei386lelf.c): New target.
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* Makefile.in (config.status): Depend upon configure.tgt.
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* ldemul.h (ldemul_set_symbols): Declare.
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@ -202,8 +202,7 @@ ALL_EMULATIONS = ea29k.o ealpha.o earmaoutl.o earmaoutb.o \
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emipsidt.o emipsidtl.o emipslit.o enews.o ens32knbsd.o eppcnw.o \
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eriscix.o esa29200.o eshl.o esh.o esparclynx.o esparcnbsd.o \
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est2000.o esun3.o esun4.o evanilla.o evax.o evsta.o \
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ez8001.o ez8002.o ei386pe.o earmpe.o eelf32vr4300.o \
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eelf32vr4300el.o ei386lelf.o
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ez8001.o ez8002.o ei386pe.o earmpe.o eelf32vr4300.o eelf32vr4300el.o
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CFILES = ldctor.c ldemul.c ldexp.c ldfile.c ldlang.c \
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ldmain.c ldmisc.c ldver.c ldwrite.c lexsup.c \
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@ -442,9 +441,6 @@ em68kaout.c: $(srcdir)/emulparams/m68kaout.sh \
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ei386linux.c: $(srcdir)/emulparams/i386linux.sh \
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$(srcdir)/emultempl/linux.em $(srcdir)/scripttempl/aout.sc ${GEN_DEPENDS}
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${GENSCRIPTS} i386linux
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ei386lelf.c: $(srcdir)/emulparams/i386lelf.sh \
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$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
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${GENSCRIPTS} i386lelf
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eelf32_sparc.c: $(srcdir)/emulparams/elf32_sparc.sh \
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$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
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${GENSCRIPTS} elf32_sparc
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@ -46,15 +46,9 @@ i[345]86-*-bsd) targ_emul=i386bsd ;;
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i[345]86-*-bsd386) targ_emul=i386bsd ;;
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i[345]86-*-bsdi*) targ_emul=i386bsd ;;
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i[345]86-*-aout) targ_emul=i386aout ;;
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i[345]86-*-linuxaout*) targ_emul=i386linux
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targ_extra_emuls="i386lelf elf_i386"
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;;
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i[345]86-*-linuxoldld) targ_emul=i386linux
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targ_extra_emuls="i386lelf elf_i386"
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;;
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i[345]86-*-linux*) targ_emul=i386lelf
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targ_extra_emuls="elf_i386 i386linux"
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;;
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i[345]86-*-linuxaout*) targ_emul=i386linux; targ_extra_emuls=elf_i386 ;;
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i[345]86-*-linuxoldld) targ_emul=i386linux; targ_extra_emuls=elf_i386 ;;
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i[345]86-*-linux*) targ_emul=elf_i386; targ_extra_emuls=i386linux ;;
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i[345]86-*-sysv4*) targ_emul=elf_i386 ;;
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i[345]86-*-unixware) targ_emul=elf_i386 ;;
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i[345]86-*-netbsd*) targ_emul=i386nbsd ;;
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@ -74,7 +74,6 @@ i386bsd.sh
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i386coff.sh
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i386go32.sh
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i386linux.sh
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i386lelf.sh
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i386lynx.sh
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i386mach.sh
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i386moss.sh
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@ -1,9 +0,0 @@
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SCRIPT_NAME=elf
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OUTPUT_FORMAT="elf32-i386"
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TEXT_START_ADDR=0x08000000
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MAXPAGESIZE=0x1000
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NONPAGED_TEXT_START_ADDR=0x08000000
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ARCH=i386
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NOP=0x9090
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TEMPLATE_NAME=elf32
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GENERATE_SHLIB_SCRIPT=yes
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@ -42,23 +42,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include "ldlang.h"
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#include "ldgram.h"
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#ifdef TARGET_IS_i386lelf
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#ifdef HAVE_DIRENT_H
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# include <dirent.h>
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#else
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# define dirent direct
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# ifdef HAVE_SYS_NDIR_H
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# include <sys/ndir.h>
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# endif
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# ifdef HAVE_SYS_DIR_H
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# include <sys/dir.h>
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# endif
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# ifdef HAVE_NDIR_H
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# include <ndir.h>
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# endif
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#endif
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#endif
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static void gld${EMULATION_NAME}_before_parse PARAMS ((void));
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static boolean gld${EMULATION_NAME}_open_dynamic_archive
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PARAMS ((const char *, search_dirs_type *, lang_input_statement_type *));
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@ -85,8 +68,6 @@ gld${EMULATION_NAME}_before_parse()
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config.dynamic_link = ${DYNAMIC_LINK-true};
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}
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#ifndef TARGET_IS_i386lelf
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/* Try to open a dynamic archive. This is where we know that ELF
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dynamic libraries have an extension of .so. */
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@ -148,121 +129,6 @@ gld${EMULATION_NAME}_open_dynamic_archive (arch, search, entry)
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return true;
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}
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#else /* TARGET_IS_i386lelf */
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/* Linux deviates from the SVR4 standard in that its archives use
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version numbers in the file name. I think this is bogus, but
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H.J. Lu insists that it be done this way. */
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static int libcmp PARAMS ((const char *, const char *));
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/* Choose between two library names. This is like a string
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comparison, except that numbers are compared by value. */
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static int
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libcmp (p1, p2)
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const char *p1;
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const char *p2;
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{
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while (*p1 != '\0')
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{
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if (isdigit (*p1) && isdigit (*p2))
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{
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unsigned long v1, v2;
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v1 = strtoul (p1, (char **) &p1, 10);
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v2 = strtoul (p2, (char **) &p2, 10);
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if (v1 < v2)
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return -1;
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else if (v1 > v2)
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return 1;
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}
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else if (*p1 < *p2)
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return -1;
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else if (*p1 > *p2)
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return 1;
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else
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{
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++p1;
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++p2;
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}
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}
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if (*p2 != '\0')
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return -1;
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return 0;
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}
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/* Search for the library to open. */
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/*ARGSUSED*/
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static boolean
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gld${EMULATION_NAME}_open_dynamic_archive (arch, search, entry)
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const char *arch;
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search_dirs_type *search;
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lang_input_statement_type *entry;
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{
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size_t len;
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char *found;
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DIR *dir;
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struct dirent *ent;
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char *string;
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len = strlen (entry->filename);
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found = NULL;
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dir = opendir (search->name);
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if (dir == NULL)
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return false;
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while ((ent = readdir (dir)) != NULL)
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{
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if (strncmp (ent->d_name, "lib", 3) != 0
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|| strncmp (ent->d_name + 3, entry->filename, len) != 0
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|| strncmp (ent->d_name + len + 3, ".so", 3) != 0)
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continue;
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if (found != NULL)
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{
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if (libcmp (ent->d_name + len + 6, found + len + 6) < 0)
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continue;
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free (found);
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}
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found = (char *) xmalloc (strlen (ent->d_name) + 1);
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strcpy (found, ent->d_name);
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}
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closedir (dir);
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if (found == NULL)
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return false;
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string = (char *) xmalloc (strlen (search->name) + strlen (found) + 2);
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sprintf (string, "%s/%s", search->name, found);
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if (! ldfile_try_open_bfd (string, entry))
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{
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free (found);
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return false;
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}
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entry->filename = string;
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if (bfd_check_format (entry->the_bfd, bfd_object)
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&& (entry->the_bfd->flags & DYNAMIC) != 0)
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{
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ASSERT (entry->is_archive && entry->search_dirs_flag);
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bfd_elf_set_dt_needed_name (entry->the_bfd, found);
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}
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return true;
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}
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#endif /* TARGET_IS_i386lelf */
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/* These variables are required to pass information back and forth
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between after_open and check_needed. */
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