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authorNick Clifton <nickc@redhat.com>2003-03-25 10:29:28 +0000
committerNick Clifton <nickc@redhat.com>2003-03-25 10:29:28 +0000
commit3fe38064baf3b9afbd892b0df390b3879d9072a9 (patch)
tree60f7686e039dcb88d3dfecf769ad44fa33dfbb77 /ld/ldfile.c
parent2cf6873caef1b656aeacdea811c225bdd53e9029 (diff)
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ldmain.c (ld_canon_sysroot, ld_canon_sysroot_len): Define. (main): Initialize them.
ldfile.c: Include pathnames.h. (is_sysrooted_pathname): New. (ldfile_add_library_path): Use it. (ldfile_open_file_search): Likewise. Use IS_ABSOLUTE_PATH. Don't search_dirs if given an absolute pathname. (ldfile_open_file): Issue error message for sysrooted absolute pathnames.
Diffstat (limited to 'ld/ldfile.c')
-rw-r--r--ld/ldfile.c111
1 files changed, 73 insertions, 38 deletions
diff --git a/ld/ldfile.c b/ld/ldfile.c
index 34e468e..fbcd7b9 100644
--- a/ld/ldfile.c
+++ b/ld/ldfile.c
@@ -2,22 +2,22 @@
Copyright 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2003
Free Software Foundation, Inc.
-This file is part of GLD, the Gnu Linker.
+ This file is part of GLD, the Gnu Linker.
-GLD is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+ GLD is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
-GLD 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 General Public License for more details.
+ GLD 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 General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with GLD; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with GLD; see the file COPYING. If not, write to the Free
+ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA. */
/* ldfile.c: look after all the file stuff. */
@@ -35,42 +35,76 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
#include "ldlex.h"
#include "ldemul.h"
#include "libiberty.h"
+#include "filenames.h"
-const char *ldfile_input_filename;
-bfd_boolean ldfile_assumed_script = FALSE;
-const char *ldfile_output_machine_name = "";
+const char * ldfile_input_filename;
+bfd_boolean ldfile_assumed_script = FALSE;
+const char * ldfile_output_machine_name = "";
unsigned long ldfile_output_machine;
enum bfd_architecture ldfile_output_architecture;
-search_dirs_type *search_head;
+search_dirs_type * search_head;
#ifndef MPW
#ifdef VMS
-char *slash = "";
+char * slash = "";
#else
#if defined (_WIN32) && ! defined (__CYGWIN32__)
-char *slash = "\\";
+char * slash = "\\";
#else
-char *slash = "/";
+char * slash = "/";
#endif
#endif
#else /* MPW */
/* The MPW path char is a colon. */
-char *slash = ":";
+char * slash = ":";
#endif /* MPW */
-/* LOCAL */
-
-static search_dirs_type **search_tail_ptr = &search_head;
-
-typedef struct search_arch {
+typedef struct search_arch
+{
char *name;
struct search_arch *next;
} search_arch_type;
+static search_dirs_type **search_tail_ptr = &search_head;
static search_arch_type *search_arch_head;
static search_arch_type **search_arch_tail_ptr = &search_arch_head;
-static FILE *try_open PARAMS ((const char *name, const char *exten));
+static FILE *try_open
+ PARAMS ((const char *, const char *));
+static bfd_boolean is_sysrooted_pathname
+ PARAMS ((const char *, bfd_boolean));
+
+/* Test whether a pathname, after canonicalization, is the same or a
+ sub-directory of the sysroot directory. */
+
+static bfd_boolean
+is_sysrooted_pathname (name, notsame)
+ const char *name;
+ bfd_boolean notsame;
+{
+ char * realname = ld_canon_sysroot ? lrealpath (name) : NULL;
+ int len;
+ bfd_boolean result;
+
+ if (! realname)
+ return FALSE;
+
+ len = strlen (realname);
+
+ if (((! notsame && len == ld_canon_sysroot_len)
+ || (len >= ld_canon_sysroot_len
+ && IS_DIR_SEPARATOR (realname[ld_canon_sysroot_len])
+ && (realname[ld_canon_sysroot_len] = '\0') == '\0'))
+ && FILENAME_CMP (ld_canon_sysroot, realname) == 0)
+ result = TRUE;
+ else
+ result = FALSE;
+
+ if (realname)
+ free (realname);
+
+ return result;
+}
void
ldfile_add_library_path (name, cmdline)
@@ -97,7 +131,7 @@ ldfile_add_library_path (name, cmdline)
new->sysrooted = TRUE;
}
else
- new->sysrooted = FALSE;
+ new->sysrooted = is_sysrooted_pathname (new->name, FALSE);
}
/* Try to open a BFD for a lang_input_statement. */
@@ -271,7 +305,7 @@ ldfile_open_file_search (arch, entry, lib, suffix)
directory first. */
if (! entry->is_archive)
{
- if (entry->sysrooted && entry->filename[0] == '/')
+ if (entry->sysrooted && IS_ABSOLUTE_PATH (entry->filename))
{
char *name = concat (ld_sysroot, entry->filename,
(const char *) NULL);
@@ -284,9 +318,13 @@ ldfile_open_file_search (arch, entry, lib, suffix)
}
else if (ldfile_try_open_bfd (entry->filename, entry))
{
- entry->sysrooted = FALSE;
+ entry->sysrooted = IS_ABSOLUTE_PATH (entry->filename)
+ && is_sysrooted_pathname (entry->filename, TRUE);
return TRUE;
}
+
+ if (IS_ABSOLUTE_PATH (entry->filename))
+ return FALSE;
}
for (search = search_head;
@@ -315,14 +353,6 @@ ldfile_open_file_search (arch, entry, lib, suffix)
if (entry->is_archive)
sprintf (string, "%s%s%s%s%s%s", search->name, slash,
lib, entry->filename, arch, suffix);
- else if (entry->filename[0] == '/' || entry->filename[0] == '.'
-#if defined (__MSDOS__) || defined (_WIN32)
- || entry->filename[0] == '\\'
- || (ISALPHA (entry->filename[0])
- && entry->filename[1] == ':')
-#endif
- )
- strcpy (string, entry->filename);
else
sprintf (string, "%s%s%s", search->name, slash, entry->filename);
@@ -385,6 +415,11 @@ ldfile_open_file (entry)
again. */
if (found)
entry->search_dirs_flag = FALSE;
+ else if (entry->sysrooted
+ && ld_sysroot
+ && IS_ABSOLUTE_PATH (entry->local_sym_name))
+ einfo (_("%F%P: cannot find %s inside %s\n"),
+ entry->local_sym_name, ld_sysroot);
else
einfo (_("%F%P: cannot find %s\n"), entry->local_sym_name);
}