+++ /dev/null
-# 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
-fragment <<EOF
-/* This file is is generated by a shell script. DO NOT EDIT! */
-
-/* SunOS emulation code for ${EMULATION_NAME}
- Copyright (C) 1991-2018 Free Software Foundation, Inc.
- Written by Steve Chamberlain <sac@cygnus.com>
- SunOS shared library support by Ian Lance Taylor <ian@cygnus.com>
-
- This file is part of the GNU Binutils.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
- MA 02110-1301, USA. */
-
-#define TARGET_IS_${EMULATION_NAME}
-
-#include "sysdep.h"
-#include "bfd.h"
-#include "bfdlink.h"
-#include "libiberty.h"
-#include "safe-ctype.h"
-
-#include "ld.h"
-#include "ldmain.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${EMULATION_NAME}_find_so
- (lang_input_statement_type *);
-static char *gld${EMULATION_NAME}_search_dir
- (const char *, const char *, bfd_boolean *);
-static void gld${EMULATION_NAME}_check_needed
- (lang_input_statement_type *);
-static bfd_boolean gld${EMULATION_NAME}_search_needed
- (const char *, const char *);
-static bfd_boolean gld${EMULATION_NAME}_try_needed
- (const char *, const char *);
-static void gld${EMULATION_NAME}_find_assignment
- (lang_statement_union_type *);
-static void gld${EMULATION_NAME}_find_exp_assignment
- (etree_type *);
-static void gld${EMULATION_NAME}_count_need
- (lang_input_statement_type *);
-static void gld${EMULATION_NAME}_set_need
- (lang_input_statement_type *);
-
-static void
-gld${EMULATION_NAME}_before_parse (void)
-{
- ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
- input_flags.dynamic = TRUE;
- config.has_shared = TRUE;
-}
-
-/* This is called after the command line arguments have been parsed,
- but before the linker script has been read. If this is a native
- linker, we add the directories in LD_LIBRARY_PATH to the search
- list. */
-
-static void
-gld${EMULATION_NAME}_set_symbols (void)
-{
-EOF
-if [ "x${host}" = "x${target}" ] ; then
- case " ${EMULATION_LIBPATH} " in
- *" ${EMULATION_NAME} "*)
-fragment <<EOF
- const char *env;
-
- env = (const char *) getenv ("LD_LIBRARY_PATH");
- if (env != NULL)
- {
- char *l;
-
- l = xstrdup (env);
- while (1)
- {
- char *c;
-
- c = strchr (l, ':');
- if (c != NULL)
- *c++ = '\0';
- if (*l != '\0')
- ldfile_add_library_path (l, FALSE);
- if (c == NULL)
- break;
- l = c;
- }
- }
-EOF
- ;;
- esac
-fi
-fragment <<EOF
-}
-
-/* Despite the name, we use this routine to search for dynamic
- libraries. On SunOS this requires a directory search. We need to
- find the .so file with the highest version number. The user may
- restrict the major version by saying, e.g., -lc.1. Also, if we
- find a .so file, we need to look for a the same file after
- replacing .so with .sa; if it exists, it will be an archive which
- provide some initializations for data symbols, and we need to
- search it after including the .so file. */
-
-static void
-gld${EMULATION_NAME}_create_output_section_statements (void)
-{
- lang_for_each_input_file (gld${EMULATION_NAME}_find_so);
-}
-
-/* Search the directory for a .so file for each library search. */
-
-static void
-gld${EMULATION_NAME}_find_so (lang_input_statement_type *inp)
-{
- search_dirs_type *search;
- char *found = NULL;
- char *alc;
- struct stat st;
-
- if (! inp->flags.search_dirs
- || ! inp->flags.maybe_archive
- || ! inp->flags.dynamic)
- return;
-
- ASSERT (CONST_STRNEQ (inp->local_sym_name, "-l"));
-
- for (search = search_head; search != NULL; search = search->next)
- {
- bfd_boolean found_static;
-
- found = gld${EMULATION_NAME}_search_dir (search->name, inp->filename,
- &found_static);
- if (found != NULL || found_static)
- break;
- }
-
- if (found == NULL)
- {
- /* We did not find a matching .so file. This isn't an error,
- since there might still be a matching .a file, which will be
- found by the usual search. */
- return;
- }
-
- /* Replace the filename with the one we have found. */
- alc = (char *) xmalloc (strlen (search->name) + strlen (found) + 2);
- sprintf (alc, "%s/%s", search->name, found);
- inp->filename = alc;
-
- /* Turn off the search_dirs_flag to prevent ldfile_open_file from
- searching for this file again. */
- inp->flags.search_dirs = FALSE;
-
- free (found);
-
- /* Now look for the same file name, but with .sa instead of .so. If
- found, add it to the list of input files. */
- alc = (char *) xmalloc (strlen (inp->filename) + 1);
- strcpy (alc, inp->filename);
- strstr (alc + strlen (search->name), ".so")[2] = 'a';
- if (stat (alc, &st) != 0)
- free (alc);
- else
- {
- lang_input_statement_type *sa;
-
- /* Add the .sa file to the statement list just before the .so
- file. This is really a hack. */
- sa = ((lang_input_statement_type *)
- xmalloc (sizeof (lang_input_statement_type)));
- *sa = *inp;
-
- inp->filename = alc;
- inp->local_sym_name = alc;
-
- inp->header.next = (lang_statement_union_type *) sa;
- inp->next_real_file = (lang_statement_union_type *) sa;
- }
-}
-
-/* Search a directory for a .so file. */
-
-static char *
-gld${EMULATION_NAME}_search_dir
- (const char *dirname, const char *filename, bfd_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);
- alc = NULL;
- }
- else
- {
- force_maj = atoi (dot + 1);
-
- len = dot - filename;
- 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;
- max_maj = max_min = 0;
-
- dir = opendir (dirname);
- if (dir == NULL)
- return NULL;
- dirnamelen = strlen (dirname);
-
- while ((entry = readdir (dir)) != NULL)
- {
- const char *s;
- int found_maj, found_min;
-
- if (! CONST_STRNEQ (entry->d_name, "lib")
- || strncmp (entry->d_name + 3, filename, len) != 0)
- continue;
-
- if (dot == NULL
- && strcmp (entry->d_name + 3 + len, ".a") == 0)
- {
- *found_static = TRUE;
- 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 (! CONST_STRNEQ (entry->d_name + 3 + len, ".so"))
- 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 bfd_boolean global_found;
-
-/* This is called after all the input files have been opened. */
-
-static void
-gld${EMULATION_NAME}_after_open (void)
-{
- struct bfd_link_needed_list *needed, *l;
-
- after_open_default ();
-
- /* We only need to worry about this when doing a final link. */
- if (bfd_link_relocatable (&link_info) || bfd_link_pic (&link_info))
- return;
-
- /* Get the list of files which appear in ld_need entries in dynamic
- objects included in the link. For each such file, we want to
- track down the corresponding library, and include the symbol
- table in the link. This is what the runtime dynamic linker will
- do. Tracking the files down here permits one dynamic object to
- include another without requiring special action by the person
- doing the link. Note that the needed list can actually grow
- while we are stepping through this loop. */
- needed = bfd_sunos_get_needed_list (link_info.output_bfd, &link_info);
- for (l = needed; l != NULL; l = l->next)
- {
- struct bfd_link_needed_list *ll;
- const char *lname;
- search_dirs_type *search;
-
- lname = l->name;
-
- /* If we've already seen this file, skip it. */
- for (ll = needed; ll != l; ll = ll->next)
- if (strcmp (ll->name, lname) == 0)
- break;
- if (ll != l)
- continue;
-
- /* See if this file was included in the link explicitly. */
- global_needed = l;
- global_found = FALSE;
- lang_for_each_input_file (gld${EMULATION_NAME}_check_needed);
- if (global_found)
- continue;
-
- if (! CONST_STRNEQ (lname, "-l"))
- {
- bfd *abfd;
-
- abfd = bfd_openr (lname, bfd_get_target (link_info.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%P: %pB: error adding symbols: %E\n"), abfd);
- }
- else
- {
- einfo (_("%P: warning: %s, needed by %pB, not found\n"),
- lname, l->by);
- }
-
- continue;
- }
-
- lname += 2;
-
- /* 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
- *" ${EMULATION_NAME} "*)
-fragment <<EOF
- {
- const char *lib_path;
-
- lib_path = (const char *) getenv ("LD_LIBRARY_PATH");
- if (gld${EMULATION_NAME}_search_needed (lib_path, lname))
- continue;
- }
-EOF
- ;;
- esac
-fi
-fragment <<EOF
- if (command_line.rpath != NULL)
- {
- for (search = search_head; search != NULL; search = search->next)
- {
- if (search->cmdline)
- continue;
- if (gld${EMULATION_NAME}_try_needed (search->name, lname))
- break;
- }
- if (search != NULL)
- continue;
- }
-
- einfo (_("%P: warning: %s, needed by %pB, not found\n"),
- l->name, l->by);
- }
-}
-
-/* Search for a needed file in a path. */
-
-static bfd_boolean
-gld${EMULATION_NAME}_search_needed (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${EMULATION_NAME}_try_needed (dir, name))
- return TRUE;
-
- if (dircopy != NULL)
- free (dircopy);
-
- if (s == NULL)
- break;
- path = s + 1;
- }
-
- return FALSE;
-}
-
-/* This function is called for each possible directory for a needed
- dynamic object. */
-
-static bfd_boolean
-gld${EMULATION_NAME}_try_needed (const char *dir, const char *name)
-{
- char *file;
- char *alc;
- bfd_boolean ignore;
- bfd *abfd;
-
- file = gld${EMULATION_NAME}_search_dir (dir, name, &ignore);
- if (file == NULL)
- return FALSE;
-
- alc = (char *) xmalloc (strlen (dir) + strlen (file) + 2);
- sprintf (alc, "%s/%s", dir, file);
- free (file);
- abfd = bfd_openr (alc, bfd_get_target (link_info.output_bfd));
- if (abfd == NULL)
- return FALSE;
- if (! bfd_check_format (abfd, bfd_object))
- {
- (void) bfd_close (abfd);
- return FALSE;
- }
- if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0)
- {
- (void) bfd_close (abfd);
- return FALSE;
- }
-
- /* We've found the needed dynamic object. */
-
- /* Add this file into the symbol table. */
- if (! bfd_link_add_symbols (abfd, &link_info))
- einfo (_("%F%P: %pB: error adding symbols: %E\n"), abfd);
-
- return TRUE;
-}
-
-/* See if we have already included a needed object in the link. This
- does not have to be precise, as it does no harm to include a
- dynamic object more than once. */
-
-static void
-gld${EMULATION_NAME}_check_needed (lang_input_statement_type *s)
-{
- if (s->filename == NULL)
- return;
- if (! CONST_STRNEQ (global_needed->name, "-l"))
- {
- 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;
-
- lname = global_needed->name + 2;
-
- sname = strrchr (s->filename, '/');
- if (sname == NULL)
- sname = s->filename;
- else
- ++sname;
-
- if (! CONST_STRNEQ (sname, "lib"))
- 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 bfd_boolean found_assign;
-
-/* We need to use static variables to pass information around the call
- to lang_for_each_input_file. Ick. */
-
-static bfd_size_type need_size;
-static bfd_size_type need_entries;
-static bfd_byte *need_contents;
-static bfd_byte *need_pinfo;
-static bfd_byte *need_pnames;
-
-/* The size of one entry in the .need section, not including the file
- name. */
-
-#define NEED_ENTRY_SIZE (16)
-
-/* This is called after the sections have been attached to output
- sections, but before any sizes or addresses have been set. */
-
-static void
-gld${EMULATION_NAME}_before_allocation (void)
-{
- struct bfd_link_hash_entry *hdyn = NULL;
- asection *sneed;
- asection *srules;
- asection *sdyn;
-
- /* The SunOS native linker creates a shared library whenever there
- are any undefined symbols in a link, unless -e is used. This is
- pretty weird, but we are compatible. */
- if (! bfd_link_pic (&link_info)
- && !bfd_link_relocatable (&link_info)
- && ! entry_from_cmdline)
- {
- struct bfd_link_hash_entry *h;
-
- for (h = link_info.hash->undefs; h != NULL; h = h->u.undef.next)
- {
- if (h->type == bfd_link_hash_undefined
- && h->u.undef.abfd != NULL
- && (h->u.undef.abfd->flags & DYNAMIC) == 0
- && strcmp (h->root.string, "__DYNAMIC") != 0
- && strcmp (h->root.string, "__GLOBAL_OFFSET_TABLE_") != 0)
- {
- find_assign = h->root.string;
- found_assign = FALSE;
- lang_for_each_statement (gld${EMULATION_NAME}_find_assignment);
- if (! found_assign)
- {
- link_info.type = type_dll;
- break;
- }
- }
- }
- }
-
- if (bfd_link_pic (&link_info))
- {
- 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", 0, TRUE);
- 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
- one. We need to create the symbol before calling
- size_dynamic_sections, although we can't set the value until
- afterward. */
- if (!bfd_link_relocatable (&link_info))
- {
- hdyn = bfd_link_hash_lookup (link_info.hash, "__DYNAMIC", TRUE, FALSE,
- FALSE);
- if (hdyn == NULL)
- einfo (_("%F%P: bfd_link_hash_lookup: %E\n"));
- if (! bfd_sunos_record_link_assignment (link_info.output_bfd, &link_info,
- "__DYNAMIC"))
- einfo (_("%F%P: failed to record assignment to __DYNAMIC: %E\n"));
- }
-
- /* 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${EMULATION_NAME}_find_assignment);
-
- /* Let the backend linker work out the sizes of any sections
- required by dynamic linking. */
- if (! bfd_sunos_size_dynamic_sections (link_info.output_bfd, &link_info,
- &sdyn, &sneed, &srules))
- einfo (_("%F%P: failed to set dynamic section sizes: %E\n"));
-
- if (sneed != NULL)
- {
- /* Set up the .need section. See the description of the ld_need
- field in include/aout/sun4.h. */
-
- need_entries = 0;
- need_size = 0;
-
- lang_for_each_input_file (gld${EMULATION_NAME}_count_need);
-
- /* We should only have a .need section if we have at least one
- dynamic object. */
- ASSERT (need_entries != 0);
-
- sneed->size = need_size;
- sneed->contents = (bfd_byte *) xmalloc (need_size);
-
- need_contents = sneed->contents;
- need_pinfo = sneed->contents;
- need_pnames = sneed->contents + need_entries * 16;
-
- lang_for_each_input_file (gld${EMULATION_NAME}_set_need);
-
- ASSERT ((bfd_size_type) (need_pnames - sneed->contents) == need_size);
- }
-
- if (srules != NULL)
- {
- /* Set up the .rules section. This is just a PATH like string
- of the -L arguments given on the command line. We permit the
- user to specify the directories using the -rpath command line
- option. */
- if (command_line.rpath)
- {
- srules->size = strlen (command_line.rpath);
- srules->contents = (bfd_byte *) command_line.rpath;
- }
- else
- {
- unsigned int size;
- search_dirs_type *search;
-
- size = 0;
- for (search = search_head; search != NULL; search = search->next)
- if (search->cmdline)
- size += strlen (search->name) + 1;
- srules->size = size;
- if (size > 0)
- {
- char *p;
-
- srules->contents = (bfd_byte *) xmalloc (size);
- p = (char *) srules->contents;
- *p = '\0';
- for (search = search_head; search != NULL; search = search->next)
- {
- if (search->cmdline)
- {
- if (p != (char *) srules->contents)
- *p++ = ':';
- strcpy (p, search->name);
- p += strlen (p);
- }
- }
- }
- }
- }
-
- /* We must assign a value to __DYNAMIC. It should be zero if we are
- not doing a dynamic link, or the start of the .dynamic section if
- we are doing one. */
- if (!bfd_link_relocatable (&link_info))
- {
- hdyn->type = bfd_link_hash_defined;
- hdyn->u.def.value = 0;
- if (sdyn != NULL)
- hdyn->u.def.section = sdyn;
- else
- hdyn->u.def.section = bfd_abs_section_ptr;
- }
-
- before_allocation_default ();
-}
-
-/* This is called by the before_allocation routine via
- lang_for_each_statement. It does one of two things: if the
- variable find_assign is set, it sets found_assign if it finds an
- assignment to that variable; otherwise it tells the backend linker
- about all assignment statements, in case they are assignments to
- symbols which are referred to by dynamic objects. */
-
-static void
-gld${EMULATION_NAME}_find_assignment (lang_statement_union_type *s)
-{
- if (s->header.type == lang_assignment_statement_enum
- && (find_assign == NULL || ! found_assign))
- gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp);
-}
-
-/* Look through an expression for an assignment statement. */
-
-static void
-gld${EMULATION_NAME}_find_exp_assignment (etree_type *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 (link_info.output_bfd,
- &link_info,
- exp->assign.dst))
- einfo (_("%F%P: failed to record assignment to %s: %E\n"),
- exp->assign.dst);
- }
- gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src);
- break;
-
- case etree_binary:
- gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs);
- gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs);
- break;
-
- case etree_trinary:
- gld${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;
-
- case etree_unary:
- gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child);
- break;
-
- default:
- break;
- }
-}
-
-/* Work out the size of the .need section, and the number of entries.
- The backend will set the ld_need field of the dynamic linking
- information to point to the .need section. See include/aout/sun4.h
- for more information. */
-
-static void
-gld${EMULATION_NAME}_count_need (lang_input_statement_type *inp)
-{
- if (inp->the_bfd != NULL
- && (inp->the_bfd->flags & DYNAMIC) != 0)
- {
- ++need_entries;
- need_size += NEED_ENTRY_SIZE;
- if (! inp->flags.maybe_archive)
- need_size += strlen (inp->filename) + 1;
- else
- {
- ASSERT (inp->local_sym_name[0] == '-'
- && inp->local_sym_name[1] == 'l');
- need_size += strlen (inp->local_sym_name + 2) + 1;
- }
- }
-}
-
-/* Fill in the contents of the .need section. */
-
-static void
-gld${EMULATION_NAME}_set_need (lang_input_statement_type *inp)
-{
- if (inp->the_bfd != NULL
- && (inp->the_bfd->flags & DYNAMIC) != 0)
- {
- bfd_size_type c;
-
- /* To really fill in the .need section contents, we need to know
- the final file position of the section, but we don't.
- Instead, we use offsets, and rely on the BFD backend to
- finish the section up correctly. FIXME: Talk about lack of
- referential locality. */
- bfd_put_32 (link_info.output_bfd, need_pnames - need_contents,
- need_pinfo);
- if (! inp->flags.maybe_archive)
- {
- bfd_put_32 (link_info.output_bfd, (bfd_vma) 0, need_pinfo + 4);
- bfd_put_16 (link_info.output_bfd, (bfd_vma) 0, need_pinfo + 8);
- bfd_put_16 (link_info.output_bfd, (bfd_vma) 0, need_pinfo + 10);
- strcpy ((char *) need_pnames, inp->filename);
- }
- else
- {
- char *verstr;
- int maj, min;
-
- bfd_put_32 (link_info.output_bfd, (bfd_vma) 0x80000000,
- need_pinfo + 4);
- maj = 0;
- min = 0;
- verstr = strstr (inp->filename, ".so.");
- if (verstr != NULL)
- sscanf (verstr, ".so.%d.%d", &maj, &min);
- bfd_put_16 (link_info.output_bfd, (bfd_vma) maj, need_pinfo + 8);
- bfd_put_16 (link_info.output_bfd, (bfd_vma) min, need_pinfo + 10);
- strcpy ((char *) need_pnames, inp->local_sym_name + 2);
- }
-
- c = (need_pinfo - need_contents) / NEED_ENTRY_SIZE;
- if (c + 1 >= need_entries)
- bfd_put_32 (link_info.output_bfd, (bfd_vma) 0, need_pinfo + 12);
- else
- bfd_put_32 (link_info.output_bfd, (bfd_vma) (c + 1) * NEED_ENTRY_SIZE,
- need_pinfo + 12);
-
- need_pinfo += NEED_ENTRY_SIZE;
- need_pnames += strlen ((char *) need_pnames) + 1;
- }
-}
-
-static char *
-gld${EMULATION_NAME}_get_script (int *isfile)
-EOF
-
-if test x"$COMPILE_IN" = xyes
-then
-# Scripts compiled in.
-
-# sed commands to quote an ld script as a C string.
-sc="-f stringify.sed"
-
-fragment <<EOF
-{
- *isfile = 0;
-
- if (bfd_link_relocatable (&link_info) && config.build_constructors)
- return
-EOF
-sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
-echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${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.
-
-fragment <<EOF
-{
- *isfile = 1;
-
- if (bfd_link_relocatable (&link_info) && config.build_constructors)
- return "ldscripts/${EMULATION_NAME}.xu";
- else if (bfd_link_relocatable (&link_info))
- return "ldscripts/${EMULATION_NAME}.xr";
- else if (!config.text_read_only)
- return "ldscripts/${EMULATION_NAME}.xbn";
- else if (!config.magic_demand_paged)
- return "ldscripts/${EMULATION_NAME}.xn";
- else
- return "ldscripts/${EMULATION_NAME}.x";
-}
-EOF
-
-fi
-
-fragment <<EOF
-
-struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
-{
- gld${EMULATION_NAME}_before_parse,
- syslib_default,
- hll_default,
- after_parse_default,
- gld${EMULATION_NAME}_after_open,
- after_check_relocs_default,
- after_allocation_default,
- set_output_arch_default,
- ldemul_default_target,
- gld${EMULATION_NAME}_before_allocation,
- gld${EMULATION_NAME}_get_script,
- "${EMULATION_NAME}",
- "${OUTPUT_FORMAT}",
- finish_default,
- gld${EMULATION_NAME}_create_output_section_statements,
- NULL, /* open dynamic archive */
- NULL, /* place orphan */
- gld${EMULATION_NAME}_set_symbols,
- NULL, /* parse args */
- NULL, /* add_options */
- NULL, /* handle_option */
- NULL, /* unrecognized file */
- NULL, /* list options */
- NULL, /* recognized file */
- NULL, /* find_potential_libraries */
- NULL, /* new_vers_pattern */
- NULL /* extra_map_file_text */
-};
-EOF
projects / deliverable / binutils-gdb.git / commitdiff
