# This shell script emits a C file. -*- C -*-
# It does some substitutions.
+if [ -z "$MACHINE" ]; then
+ OUTPUT_ARCH=${ARCH}
+else
+ OUTPUT_ARCH=${ARCH}:${MACHINE}
+fi
cat >e${EMULATION_NAME}.c <<EOF
/* This file is is generated by a shell script. DO NOT EDIT! */
/* SunOS emulation code for ${EMULATION_NAME}
- Copyright (C) 1991, 1993, 1994 Free Software Foundation, Inc.
+ Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
+ Free Software Foundation, Inc.
Written by Steve Chamberlain <sac@cygnus.com>
SunOS shared library support by Ian Lance Taylor <ian@cygnus.com>
#define TARGET_IS_${EMULATION_NAME}
-#include <sys/types.h>
-#include <sys/stat.h>
-
-/* FIXME: On some hosts we will need to include a different file.
- This is correct for SunOS, which is the only place this file will
- typically be compiled. However, if somebody configures the linker
- for all targets, they will run into trouble here. */
-#include <dirent.h>
-
#include "bfd.h"
#include "sysdep.h"
#include "bfdlink.h"
+#include "libiberty.h"
+#include "safe-ctype.h"
#include "ld.h"
-#include "config.h"
#include "ldmain.h"
-#include "ldemul.h"
-#include "ldfile.h"
#include "ldmisc.h"
#include "ldexp.h"
#include "ldlang.h"
+#include "ldfile.h"
+#include "ldemul.h"
+
+#ifdef HAVE_DIRENT_H
+# include <dirent.h>
+#else
+# define dirent direct
+# ifdef HAVE_SYS_NDIR_H
+# include <sys/ndir.h>
+# endif
+# ifdef HAVE_SYS_DIR_H
+# include <sys/dir.h>
+# endif
+# ifdef HAVE_NDIR_H
+# include <ndir.h>
+# endif
+#endif
static void gld${EMULATION_NAME}_before_parse PARAMS ((void));
+static void gld${EMULATION_NAME}_set_symbols PARAMS ((void));
static void gld${EMULATION_NAME}_create_output_section_statements
PARAMS ((void));
static void gld${EMULATION_NAME}_find_so
PARAMS ((lang_input_statement_type *));
+static char *gld${EMULATION_NAME}_search_dir
+ PARAMS ((const char *, const char *, boolean *));
+static void gld${EMULATION_NAME}_after_open PARAMS ((void));
+static void gld${EMULATION_NAME}_check_needed
+ PARAMS ((lang_input_statement_type *));
+static boolean gld${EMULATION_NAME}_search_needed
+ PARAMS ((const char *, const char *));
+static boolean gld${EMULATION_NAME}_try_needed
+ PARAMS ((const char *, const char *));
static void gld${EMULATION_NAME}_before_allocation PARAMS ((void));
-static void gld${EMULATION_NAME}_find_statement_assignment
+static void gld${EMULATION_NAME}_find_assignment
PARAMS ((lang_statement_union_type *));
static void gld${EMULATION_NAME}_find_exp_assignment PARAMS ((etree_type *));
static void gld${EMULATION_NAME}_count_need
static void
gld${EMULATION_NAME}_before_parse()
{
- ldfile_output_architecture = bfd_arch_${ARCH};
+ const bfd_arch_info_type *arch = bfd_scan_arch ("${OUTPUT_ARCH}");
+ if (arch)
+ {
+ ldfile_output_architecture = arch->arch;
+ ldfile_output_machine = arch->mach;
+ ldfile_output_machine_name = arch->printable_name;
+ }
+ else
+ ldfile_output_architecture = bfd_arch_${ARCH};
config.dynamic_link = true;
+ config.has_shared = true;
+}
+
+/* This is called after the command line arguments have been parsed,
+ but before the linker script has been read. If this is a native
+ linker, we add the directories in LD_LIBRARY_PATH to the search
+ list. */
+
+static void
+gld${EMULATION_NAME}_set_symbols ()
+{
+EOF
+if [ "x${host}" = "x${target}" ] ; then
+ case " ${EMULATION_LIBPATH} " in
+ *" ${EMULATION_NAME} "*)
+cat >>e${EMULATION_NAME}.c <<EOF
+ const char *env;
+
+ env = (const char *) getenv ("LD_LIBRARY_PATH");
+ if (env != NULL)
+ {
+ char *l;
+
+ l = xstrdup (env);
+ while (1)
+ {
+ char *c;
+
+ c = strchr (l, ':');
+ if (c != NULL)
+ *c++ = '\0';
+ if (*l != '\0')
+ ldfile_add_library_path (l, false);
+ if (c == NULL)
+ break;
+ l = c;
+ }
+ }
+EOF
+ ;;
+ esac
+fi
+cat >>e${EMULATION_NAME}.c <<EOF
}
/* Despite the name, we use this routine to search for dynamic
static void
gld${EMULATION_NAME}_create_output_section_statements ()
{
- if (config.dynamic_link)
- lang_for_each_input_file (gld${EMULATION_NAME}_find_so);
+ lang_for_each_input_file (gld${EMULATION_NAME}_find_so);
}
/* Search the directory for a .so file for each library search. */
lang_input_statement_type *inp;
{
search_dirs_type *search;
- const char *filename;
- const char *dot;
- int force_maj;
- unsigned int len;
+ char *found = NULL;
char *alc;
- int max_maj, max_min;
- char *found;
- boolean found_static;
struct stat st;
if (! inp->search_dirs_flag
- || ! inp->is_archive)
+ || ! inp->is_archive
+ || ! inp->dynamic)
return;
ASSERT (strncmp (inp->local_sym_name, "-l", 2) == 0);
- filename = inp->filename;
+ for (search = search_head; search != NULL; search = search->next)
+ {
+ boolean found_static;
+
+ found = gld${EMULATION_NAME}_search_dir (search->name, inp->filename,
+ &found_static);
+ if (found != NULL || found_static)
+ break;
+ }
+
+ if (found == NULL)
+ {
+ /* We did not find a matching .so file. This isn't an error,
+ since there might still be a matching .a file, which will be
+ found by the usual search. */
+ return;
+ }
+
+ /* Replace the filename with the one we have found. */
+ alc = (char *) xmalloc (strlen (search->name) + strlen (found) + 2);
+ sprintf (alc, "%s/%s", search->name, found);
+ inp->filename = alc;
+
+ /* Turn off the search_dirs_flag to prevent ldfile_open_file from
+ searching for this file again. */
+ inp->search_dirs_flag = false;
+
+ free (found);
+
+ /* Now look for the same file name, but with .sa instead of .so. If
+ found, add it to the list of input files. */
+ alc = (char *) xmalloc (strlen (inp->filename) + 1);
+ strcpy (alc, inp->filename);
+ strstr (alc + strlen (search->name), ".so")[2] = 'a';
+ if (stat (alc, &st) != 0)
+ free (alc);
+ else
+ {
+ lang_input_statement_type *sa;
+
+ /* Add the .sa file to the statement list just before the .so
+ file. This is really a hack. */
+ sa = ((lang_input_statement_type *)
+ xmalloc (sizeof (lang_input_statement_type)));
+ *sa = *inp;
+
+ inp->filename = alc;
+ inp->local_sym_name = alc;
+
+ inp->header.next = (lang_statement_union_type *) sa;
+ inp->next_real_file = (lang_statement_union_type *) sa;
+ }
+}
+
+/* Search a directory for a .so file. */
+
+static char *
+gld${EMULATION_NAME}_search_dir (dirname, filename, found_static)
+ const char *dirname;
+ const char *filename;
+ boolean *found_static;
+{
+ int force_maj, force_min;
+ const char *dot;
+ unsigned int len;
+ char *alc;
+ char *found;
+ int max_maj, max_min;
+ DIR *dir;
+ struct dirent *entry;
+ unsigned int dirnamelen;
+ char *full_path;
+ int statval;
+ struct stat st;
+
+ *found_static = false;
+
force_maj = -1;
+ force_min = -1;
dot = strchr (filename, '.');
if (dot == NULL)
- len = strlen (filename);
+ {
+ len = strlen (filename);
+ alc = NULL;
+ }
else
{
force_maj = atoi (dot + 1);
+
len = dot - filename;
- alc = (char *) alloca (len + 1);
+ alc = (char *) xmalloc (len + 1);
strncpy (alc, filename, len);
alc[len] = '\0';
filename = alc;
+
+ dot = strchr (dot + 1, '.');
+ if (dot != NULL)
+ force_min = atoi (dot + 1);
}
found = NULL;
- found_static = false;
max_maj = max_min = 0;
- for (search = search_head; search != NULL; search = search->next)
+
+ dir = opendir (dirname);
+ if (dir == NULL)
+ return NULL;
+ dirnamelen = strlen (dirname);
+
+ while ((entry = readdir (dir)) != NULL)
{
- DIR *dir;
- struct dirent *entry;
+ const char *s;
+ int found_maj, found_min;
- dir = opendir (search->name);
- if (dir == NULL)
+ if (strncmp (entry->d_name, "lib", 3) != 0
+ || strncmp (entry->d_name + 3, filename, len) != 0)
continue;
-
- while ((entry = readdir (dir)) != NULL)
+
+ if (dot == NULL
+ && strcmp (entry->d_name + 3 + len, ".a") == 0)
{
- int found_maj, found_min;
+ *found_static = true;
+ continue;
+ }
- if (strncmp (entry->d_name, "lib", 3) != 0
- || strncmp (entry->d_name + 3, inp->filename, len) != 0)
- continue;
+ /* We accept libfoo.so without a version number, even though the
+ native linker does not. This is more convenient for packages
+ which just generate .so files for shared libraries, as on ELF
+ systems. */
+ if (strncmp (entry->d_name + 3 + len, ".so", 3) != 0)
+ continue;
+ if (entry->d_name[6 + len] == '\0')
+ ;
+ else if (entry->d_name[6 + len] == '.'
+ && ISDIGIT (entry->d_name[7 + len]))
+ ;
+ else
+ continue;
+
+ for (s = entry->d_name + 6 + len; *s != '\0'; s++)
+ if (*s != '.' && ! ISDIGIT (*s))
+ break;
+ if (*s != '\0')
+ continue;
+
+ /* We've found a .so file. Work out the major and minor
+ version numbers. */
+ found_maj = 0;
+ found_min = 0;
+ sscanf (entry->d_name + 3 + len, ".so.%d.%d",
+ &found_maj, &found_min);
+
+ if ((force_maj != -1 && force_maj != found_maj)
+ || (force_min != -1 && force_min != found_min))
+ continue;
+
+ /* Make sure the file really exists (ignore broken symlinks). */
+ full_path = xmalloc (dirnamelen + 1 + strlen (entry->d_name) + 1);
+ sprintf (full_path, "%s/%s", dirname, entry->d_name);
+ statval = stat (full_path, &st);
+ free (full_path);
+ if (statval != 0)
+ continue;
+
+ /* We've found a match for the name we are searching for. See
+ if this is the version we should use. If the major and minor
+ versions match, we use the last entry in alphabetical order;
+ I don't know if this is how SunOS distinguishes libc.so.1.8
+ from libc.so.1.8.1, but it ought to suffice. */
+ if (found == NULL
+ || (found_maj > max_maj)
+ || (found_maj == max_maj
+ && (found_min > max_min
+ || (found_min == max_min
+ && strcmp (entry->d_name, found) > 0))))
+ {
+ if (found != NULL)
+ free (found);
+ found = (char *) xmalloc (strlen (entry->d_name) + 1);
+ strcpy (found, entry->d_name);
+ max_maj = found_maj;
+ max_min = found_min;
+ }
+ }
+
+ closedir (dir);
+
+ if (alc != NULL)
+ free (alc);
+
+ return found;
+}
+
+/* These variables are required to pass information back and forth
+ between after_open and check_needed. */
+
+static struct bfd_link_needed_list *global_needed;
+static boolean global_found;
+
+/* This is called after all the input files have been opened. */
+
+static void
+gld${EMULATION_NAME}_after_open ()
+{
+ struct bfd_link_needed_list *needed, *l;
+
+ /* We only need to worry about this when doing a final link. */
+ if (link_info.relocateable || link_info.shared)
+ return;
+
+ /* Get the list of files which appear in ld_need entries in dynamic
+ objects included in the link. For each such file, we want to
+ track down the corresponding library, and include the symbol
+ table in the link. This is what the runtime dynamic linker will
+ do. Tracking the files down here permits one dynamic object to
+ include another without requiring special action by the person
+ doing the link. Note that the needed list can actually grow
+ while we are stepping through this loop. */
+ needed = bfd_sunos_get_needed_list (output_bfd, &link_info);
+ for (l = needed; l != NULL; l = l->next)
+ {
+ struct bfd_link_needed_list *ll;
+ const char *lname;
+ search_dirs_type *search;
+
+ lname = l->name;
- if (dot == NULL
- && strncmp (entry->d_name + 3 + len, ".a", 2) == 0)
+ /* If we've already seen this file, skip it. */
+ for (ll = needed; ll != l; ll = ll->next)
+ if (strcmp (ll->name, lname) == 0)
+ break;
+ if (ll != l)
+ continue;
+
+ /* See if this file was included in the link explicitly. */
+ global_needed = l;
+ global_found = false;
+ lang_for_each_input_file (gld${EMULATION_NAME}_check_needed);
+ if (global_found)
+ continue;
+
+ if (strncmp (lname, "-l", 2) != 0)
+ {
+ bfd *abfd;
+
+ abfd = bfd_openr (lname, bfd_get_target (output_bfd));
+ if (abfd != NULL)
+ {
+ if (! bfd_check_format (abfd, bfd_object))
+ {
+ (void) bfd_close (abfd);
+ abfd = NULL;
+ }
+ }
+ if (abfd != NULL)
+ {
+ if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0)
+ {
+ (void) bfd_close (abfd);
+ abfd = NULL;
+ }
+ }
+ if (abfd != NULL)
+ {
+ /* We've found the needed dynamic object. */
+ if (! bfd_link_add_symbols (abfd, &link_info))
+ einfo ("%F%B: could not read symbols: %E\n", abfd);
+ }
+ else
{
- found_static = true;
- continue;
+ einfo ("%P: warning: %s, needed by %B, not found\n",
+ lname, l->by);
}
- if (strncmp (entry->d_name + 3 + len, ".so", 3) != 0)
- continue;
+ continue;
+ }
- /* We've found a .so file. Work out the major and minor
- version numbers. */
- found_maj = 0;
- found_min = 0;
- sscanf (entry->d_name + 3 + len, ".so.%d.%d",
- &found_maj, &found_min);
+ lname += 2;
- if (force_maj != -1 && force_maj != found_maj)
+ /* We want to search for the file in the same way that the
+ dynamic linker will search. That means that we want to use
+ rpath_link, rpath or -L, then the environment variable
+ LD_LIBRARY_PATH (native only), then (if rpath was used) the
+ linker script LIB_SEARCH_DIRS. */
+ if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link,
+ lname))
+ continue;
+ if (command_line.rpath != NULL)
+ {
+ if (gld${EMULATION_NAME}_search_needed (command_line.rpath, lname))
+ continue;
+ }
+ else
+ {
+ for (search = search_head; search != NULL; search = search->next)
+ if (gld${EMULATION_NAME}_try_needed (search->name, lname))
+ break;
+ if (search != NULL)
continue;
+ }
+EOF
+if [ "x${host}" = "x${target}" ] ; then
+ case " ${EMULATION_LIBPATH} " in
+ *" ${EMULATION_NAME} "*)
+cat >>e${EMULATION_NAME}.c <<EOF
+ {
+ const char *lib_path;
- /* We've found a match for the name we are searching for.
- See if this is the version we should use. If the major
- and minor versions match, we use the last entry in
- alphabetical order; I don't know if this is how SunOS
- distinguishes libc.so.1.8 from libc.so.1.8.1, but it
- ought to suffice. */
- if (found == NULL
- || (found_maj > max_maj)
- || (found_maj == max_maj
- && (found_min > max_min
- || (found_min == max_min
- && strcmp (entry->d_name, found) > 0))))
+ lib_path = (const char *) getenv ("LD_LIBRARY_PATH");
+ if (gld${EMULATION_NAME}_search_needed (lib_path, lname))
+ continue;
+ }
+EOF
+ ;;
+ esac
+fi
+cat >>e${EMULATION_NAME}.c <<EOF
+ if (command_line.rpath != NULL)
+ {
+ for (search = search_head; search != NULL; search = search->next)
{
- if (found != NULL)
- free (found);
- found = (char *) xmalloc (strlen (entry->d_name) + 1);
- strcpy (found, entry->d_name);
- max_maj = found_maj;
- max_min = found_min;
+ if (search->cmdline)
+ continue;
+ if (gld${EMULATION_NAME}_try_needed (search->name, lname))
+ break;
}
+ if (search != NULL)
+ continue;
}
- closedir (dir);
+ einfo ("%P: warning: %s, needed by %B, not found\n",
+ l->name, l->by);
+ }
+}
+
+/* Search for a needed file in a path. */
- if (found != NULL || found_static)
+static boolean
+gld${EMULATION_NAME}_search_needed (path, name)
+ const char *path;
+ const char *name;
+{
+ const char *s;
+
+ if (path == NULL || *path == '\0')
+ return false;
+ while (1)
+ {
+ const char *dir;
+ char *dircopy;
+
+ s = strchr (path, ':');
+ if (s == NULL)
+ {
+ dircopy = NULL;
+ dir = path;
+ }
+ else
+ {
+ dircopy = (char *) xmalloc (s - path + 1);
+ memcpy (dircopy, path, s - path);
+ dircopy[s - path] = '\0';
+ dir = dircopy;
+ }
+
+ if (gld${EMULATION_NAME}_try_needed (dir, name))
+ return true;
+
+ if (dircopy != NULL)
+ free (dircopy);
+
+ if (s == NULL)
break;
+ path = s + 1;
}
- if (found == NULL)
+ return false;
+}
+
+/* This function is called for each possible directory for a needed
+ dynamic object. */
+
+static boolean
+gld${EMULATION_NAME}_try_needed (dir, name)
+ const char *dir;
+ const char *name;
+{
+ char *file;
+ char *alc;
+ boolean ignore;
+ bfd *abfd;
+
+ file = gld${EMULATION_NAME}_search_dir (dir, name, &ignore);
+ if (file == NULL)
+ return false;
+
+ alc = (char *) xmalloc (strlen (dir) + strlen (file) + 2);
+ sprintf (alc, "%s/%s", dir, file);
+ free (file);
+ abfd = bfd_openr (alc, bfd_get_target (output_bfd));
+ if (abfd == NULL)
+ return false;
+ if (! bfd_check_format (abfd, bfd_object))
{
- /* We did not find a matching .so file. This isn't an error,
- since there might still be a matching .a file, which will be
- found by the usual search. */
- return;
+ (void) bfd_close (abfd);
+ return false;
+ }
+ if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0)
+ {
+ (void) bfd_close (abfd);
+ return false;
}
- /* Replace the filename with the one we have found. */
- alc = (char *) xmalloc (strlen (search->name) + strlen (found) + 2);
- sprintf (alc, "%s/%s", search->name, found);
- inp->filename = alc;
+ /* We've found the needed dynamic object. */
- /* Turn off the search_dirs_flag to prevent ldfile_open_file from
- searching for this file again. */
- inp->search_dirs_flag = false;
+ /* Add this file into the symbol table. */
+ if (! bfd_link_add_symbols (abfd, &link_info))
+ einfo ("%F%B: could not read symbols: %E\n", abfd);
- free (found);
+ return true;
+}
- /* Now look for the same file name, but with .sa instead of .so. If
- found, add it to the list of input files. */
- alc = (char *) alloca (strlen (inp->filename) + 1);
- strcpy (alc, inp->filename);
- strstr (alc, ".so.")[2] = 'a';
- if (stat (alc, &st) == 0)
+/* See if we have already included a needed object in the link. This
+ does not have to be precise, as it does no harm to include a
+ dynamic object more than once. */
+
+static void
+gld${EMULATION_NAME}_check_needed (s)
+ lang_input_statement_type *s;
+{
+ if (s->filename == NULL)
+ return;
+ if (strncmp (global_needed->name, "-l", 2) != 0)
{
- lang_input_statement_type *sa;
- char *a;
+ if (strcmp (s->filename, global_needed->name) == 0)
+ global_found = true;
+ }
+ else
+ {
+ const char *sname, *lname;
+ const char *sdot, *ldot;
+ int lmaj, lmin, smaj, smin;
- /* Add the .sa file to the statement list just after the .so
- file. This is really a hack. */
- sa = ((lang_input_statement_type *)
- xmalloc (sizeof (lang_input_statement_type)));
- sa->header.next = inp->header.next;
- sa->header.type = lang_input_statement_enum;
- a = (char *) xmalloc (strlen (alc) + 1);
- strcpy (a, alc);
- sa->filename = a;
- sa->local_sym_name = a;
- sa->the_bfd = NULL;
- sa->asymbols = NULL;
- sa->symbol_count = 0;
- sa->next = NULL;
- sa->next_real_file = inp->next_real_file;
- sa->is_archive = false;
- sa->search_dirs_flag = false;
- sa->just_syms_flag = false;
- sa->loaded = false;
- sa->real = true;
- sa->complained = false;
-
- /* Put the new statement next on the list of statements and next
- on the list of input files. */
- inp->header.next = (lang_statement_union_type *) sa;
- inp->next_real_file = (lang_statement_union_type *) sa;
+ lname = global_needed->name + 2;
+
+ sname = strrchr (s->filename, '/');
+ if (sname == NULL)
+ sname = s->filename;
+ else
+ ++sname;
+
+ if (strncmp (sname, "lib", 3) != 0)
+ return;
+ sname += 3;
+
+ ldot = strchr (lname, '.');
+ if (ldot == NULL)
+ ldot = lname + strlen (lname);
+
+ sdot = strstr (sname, ".so.");
+ if (sdot == NULL)
+ return;
+
+ if (sdot - sname != ldot - lname
+ || strncmp (lname, sname, sdot - sname) != 0)
+ return;
+
+ lmaj = lmin = -1;
+ sscanf (ldot, ".%d.%d", &lmaj, &lmin);
+ smaj = smin = -1;
+ sscanf (sdot, ".so.%d.%d", &smaj, &smin);
+ if ((smaj != lmaj && smaj != -1 && lmaj != -1)
+ || (smin != lmin && smin != -1 && lmin != -1))
+ return;
+
+ global_found = true;
}
}
+/* We need to use static variables to pass information around the call
+ to lang_for_each_statement. Ick. */
+
+static const char *find_assign;
+static boolean found_assign;
+
/* We need to use static variables to pass information around the call
to lang_for_each_input_file. Ick. */
static void
gld${EMULATION_NAME}_before_allocation ()
{
- struct bfd_link_hash_entry *h = NULL;
+ struct bfd_link_hash_entry *hdyn = NULL;
asection *sneed;
asection *srules;
asection *sdyn;
+ /* The SunOS native linker creates a shared library whenever there
+ are any undefined symbols in a link, unless -e is used. This is
+ pretty weird, but we are compatible. */
+ if (! link_info.shared && ! link_info.relocateable && ! entry_from_cmdline)
+ {
+ struct bfd_link_hash_entry *h;
+
+ for (h = link_info.hash->undefs; h != NULL; h = h->next)
+ {
+ if (h->type == bfd_link_hash_undefined
+ && h->u.undef.abfd != NULL
+ && (h->u.undef.abfd->flags & DYNAMIC) == 0
+ && strcmp (h->root.string, "__DYNAMIC") != 0
+ && strcmp (h->root.string, "__GLOBAL_OFFSET_TABLE_") != 0)
+ {
+ find_assign = h->root.string;
+ found_assign = false;
+ lang_for_each_statement (gld${EMULATION_NAME}_find_assignment);
+ if (! found_assign)
+ {
+ link_info.shared = true;
+ break;
+ }
+ }
+ }
+ }
+
+ if (link_info.shared)
+ {
+ lang_output_section_statement_type *os;
+
+ /* Set the .text section to start at 0x20, not 0x2020. FIXME:
+ This is too magical. */
+ os = lang_output_section_statement_lookup (".text");
+ if (os->addr_tree == NULL)
+ os->addr_tree = exp_intop (0x20);
+ }
+
/* We need to create a __DYNAMIC symbol. We don't do this in the
linker script because we want to set the value to the start of
the dynamic section if there is one, or to zero if there isn't
afterward. */
if (! link_info.relocateable)
{
- h = bfd_link_hash_lookup (link_info.hash, "__DYNAMIC", true, false,
- false);
- if (h == NULL)
+ hdyn = bfd_link_hash_lookup (link_info.hash, "__DYNAMIC", true, false,
+ false);
+ if (hdyn == NULL)
einfo ("%P%F: bfd_link_hash_lookup: %E\n");
if (! bfd_sunos_record_link_assignment (output_bfd, &link_info,
"__DYNAMIC"))
/* If we are going to make any variable assignments, we need to let
the backend linker know about them in case the variables are
referred to by dynamic objects. */
- lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment);
+ lang_for_each_statement (gld${EMULATION_NAME}_find_assignment);
/* Let the backend linker work out the sizes of any sections
required by dynamic linking. */
lang_for_each_input_file (gld${EMULATION_NAME}_set_need);
- ASSERT (need_pnames - sneed->contents == need_size);
+ ASSERT ((bfd_size_type) (need_pnames - sneed->contents) == need_size);
}
if (srules != NULL)
{
- unsigned int size;
- search_dirs_type *search;
-
/* Set up the .rules section. This is just a PATH like string
- of the -L arguments given on the command line. */
- size = 0;
- for (search = search_head; search != NULL; search = search->next)
- if (search->cmdline)
- size += strlen (search->name) + 1;
- srules->_raw_size = size;
- if (size > 0)
+ of the -L arguments given on the command line. We permit the
+ user to specify the directories using the -rpath command line
+ option. */
+ if (command_line.rpath)
+ {
+ srules->_raw_size = strlen (command_line.rpath);
+ srules->contents = (bfd_byte *) command_line.rpath;
+ }
+ else
{
- char *p;
+ unsigned int size;
+ search_dirs_type *search;
- srules->contents = (bfd_byte *) xmalloc (size);
- p = (char *) srules->contents;
- *p = '\0';
+ size = 0;
for (search = search_head; search != NULL; search = search->next)
+ if (search->cmdline)
+ size += strlen (search->name) + 1;
+ srules->_raw_size = size;
+ if (size > 0)
{
- if (search->cmdline)
+ char *p;
+
+ srules->contents = (bfd_byte *) xmalloc (size);
+ p = (char *) srules->contents;
+ *p = '\0';
+ for (search = search_head; search != NULL; search = search->next)
{
- if (p != (char *) srules->contents)
- *p++ = ':';
- strcpy (p, search->name);
- p += strlen (p);
+ if (search->cmdline)
+ {
+ if (p != (char *) srules->contents)
+ *p++ = ':';
+ strcpy (p, search->name);
+ p += strlen (p);
+ }
}
}
}
we are doing one. */
if (! link_info.relocateable)
{
- h->type = bfd_link_hash_defined;
- h->u.def.value = 0;
+ hdyn->type = bfd_link_hash_defined;
+ hdyn->u.def.value = 0;
if (sdyn != NULL)
- h->u.def.section = sdyn;
+ hdyn->u.def.section = sdyn;
else
- h->u.def.section = bfd_abs_section_ptr;
+ hdyn->u.def.section = bfd_abs_section_ptr;
}
}
/* This is called by the before_allocation routine via
- lang_for_each_statement. It locates any assignment statements, and
- tells the backend linker about them, in case they are assignments
- to symbols which are referred to by dynamic objects. */
+ lang_for_each_statement. It does one of two things: if the
+ variable find_assign is set, it sets found_assign if it finds an
+ assignment to that variable; otherwise it tells the backend linker
+ about all assignment statements, in case they are assignments to
+ symbols which are referred to by dynamic objects. */
static void
-gld${EMULATION_NAME}_find_statement_assignment (s)
+gld${EMULATION_NAME}_find_assignment (s)
lang_statement_union_type *s;
{
- if (s->header.type == lang_assignment_statement_enum)
+ if (s->header.type == lang_assignment_statement_enum
+ && (find_assign == NULL || ! found_assign))
gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp);
}
switch (exp->type.node_class)
{
case etree_assign:
+ if (find_assign != NULL)
+ {
+ if (strcmp (find_assign, exp->assign.dst) == 0)
+ found_assign = true;
+ return;
+ }
+
if (strcmp (exp->assign.dst, ".") != 0)
{
if (! bfd_sunos_record_link_assignment (output_bfd, &link_info,
break;
case etree_trinary:
- gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs);
+ gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond);
gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs);
gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs);
break;
# Scripts compiled in.
# sed commands to quote an ld script as a C string.
-sc='s/["\\]/\\&/g
-s/$/\\n\\/
-1s/^/"/
-$s/$/n"/
-'
+sc="-f stringify.sed"
cat >>e${EMULATION_NAME}.c <<EOF
{
*isfile = 0;
if (link_info.relocateable == true && config.build_constructors == true)
- return `sed "$sc" ldscripts/${EMULATION_NAME}.xu`;
- else if (link_info.relocateable == true)
- return `sed "$sc" ldscripts/${EMULATION_NAME}.xr`;
- else if (!config.text_read_only)
- return `sed "$sc" ldscripts/${EMULATION_NAME}.xbn`;
- else if (!config.magic_demand_paged)
- return `sed "$sc" ldscripts/${EMULATION_NAME}.xn`;
- else
- return `sed "$sc" ldscripts/${EMULATION_NAME}.x`;
-}
+ return
EOF
+sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
+echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
+echo ' ; else return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
+echo '; }' >> e${EMULATION_NAME}.c
else
# Scripts read from the filesystem.
syslib_default,
hll_default,
after_parse_default,
- after_open_default,
+ gld${EMULATION_NAME}_after_open,
after_allocation_default,
set_output_arch_default,
ldemul_default_target,
gld${EMULATION_NAME}_get_script,
"${EMULATION_NAME}",
"${OUTPUT_FORMAT}",
- NULL, /* finish */
+ NULL, /* finish */
gld${EMULATION_NAME}_create_output_section_statements,
- NULL /* open_dynamic_library */
+ NULL, /* open dynamic archive */
+ NULL, /* place orphan */
+ gld${EMULATION_NAME}_set_symbols,
+ NULL, /* parse args */
+ NULL, /* unrecognized file */
+ NULL, /* list options */
+ NULL, /* recognized file */
+ NULL /* find_potential_libraries */
};
EOF
projects / deliverable / binutils-gdb.git / blobdiff