diff options
Diffstat (limited to 'ld/emultempl/elf32.em')
| -rw-r--r-- | ld/emultempl/elf32.em | 1663 |
1 files changed, 0 insertions, 1663 deletions
diff --git a/ld/emultempl/elf32.em b/ld/emultempl/elf32.em deleted file mode 100644 index 675a32811d1..00000000000 --- a/ld/emultempl/elf32.em +++ /dev/null @@ -1,1663 +0,0 @@ -# This shell script emits a C file. -*- C -*- -# It does some substitutions. -# This file is now misnamed, because it supports both 32 bit and 64 bit -# ELF emulations. -test -z "${ELFSIZE}" && ELFSIZE=32 -if [ -z "$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! */ - -/* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME} - Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, - 2002 Free Software Foundation, Inc. - Written by Steve Chamberlain <sac@cygnus.com> - ELF support by Ian Lance Taylor <ian@cygnus.com> - -This file is part of GLD, the Gnu Linker. - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#define TARGET_IS_${EMULATION_NAME} - -#include "bfd.h" -#include "sysdep.h" -#include "libiberty.h" -#include "safe-ctype.h" - -#include "bfdlink.h" - -#include "ld.h" -#include "ldmain.h" -#include "ldmisc.h" -#include "ldexp.h" -#include "ldlang.h" -#include "ldfile.h" -#include "ldemul.h" -#include "ldgram.h" -#include "elf/common.h" - -static void gld${EMULATION_NAME}_before_parse - PARAMS ((void)); -static void gld${EMULATION_NAME}_vercheck - PARAMS ((lang_input_statement_type *)); -static void gld${EMULATION_NAME}_stat_needed - PARAMS ((lang_input_statement_type *)); -static boolean gld${EMULATION_NAME}_try_needed - PARAMS ((const char *, int)); -static boolean gld${EMULATION_NAME}_search_needed - PARAMS ((const char *, const char *, int)); -static void gld${EMULATION_NAME}_check_needed - PARAMS ((lang_input_statement_type *)); -static void gld${EMULATION_NAME}_after_open - PARAMS ((void)); -static void gld${EMULATION_NAME}_find_exp_assignment - PARAMS ((etree_type *)); -static void gld${EMULATION_NAME}_find_statement_assignment - PARAMS ((lang_statement_union_type *)); -static void gld${EMULATION_NAME}_before_allocation - PARAMS ((void)); -static boolean gld${EMULATION_NAME}_open_dynamic_archive - PARAMS ((const char *, search_dirs_type *, lang_input_statement_type *)); -static lang_output_section_statement_type *output_rel_find - PARAMS ((void)); -static asection *output_prev_sec_find - PARAMS ((lang_output_section_statement_type *)); -static boolean gld${EMULATION_NAME}_place_orphan - PARAMS ((lang_input_statement_type *, asection *)); -static void gld${EMULATION_NAME}_finish - PARAMS ((void)); -static char *gld${EMULATION_NAME}_get_script - PARAMS ((int *isfile)); - -EOF - -# Import any needed special functions and/or overrides. -# -if test -n "$EXTRA_EM_FILE" ; then -. ${srcdir}/emultempl/${EXTRA_EM_FILE}.em -fi - -# Functions in this file can be overridden by setting the LDEMUL_* shell -# variables. If the name of the overriding function is the same as is -# defined in this file, then don't output this file's version. -# If a different overriding name is given then output the standard function -# as presumably it is called from the overriding function. -# -if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then -cat >>e${EMULATION_NAME}.c <<EOF - -static void -gld${EMULATION_NAME}_before_parse () -{ - 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_`echo ${ARCH} | sed -e 's/:.*//'`; - config.dynamic_link = ${DYNAMIC_LINK-true}; - config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo true ; else echo false ; fi`; -} - -EOF -fi - -cat >>e${EMULATION_NAME}.c <<EOF - -/* These variables are required to pass information back and forth - between after_open and check_needed and stat_needed and vercheck. */ - -static struct bfd_link_needed_list *global_needed; -static struct stat global_stat; -static boolean global_found; -static struct bfd_link_needed_list *global_vercheck_needed; -static boolean global_vercheck_failed; - - -/* On Linux, it's possible to have different versions of the same - shared library linked against different versions of libc. The - dynamic linker somehow tags which libc version to use in - /etc/ld.so.cache, and, based on the libc that it sees in the - executable, chooses which version of the shared library to use. - - We try to do a similar check here by checking whether this shared - library needs any other shared libraries which may conflict with - libraries we have already included in the link. If it does, we - skip it, and try to find another shared library farther on down the - link path. - - This is called via lang_for_each_input_file. - GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object - which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find - a conflicting version. */ - -static void -gld${EMULATION_NAME}_vercheck (s) - lang_input_statement_type *s; -{ - const char *soname; - struct bfd_link_needed_list *l; - - if (global_vercheck_failed) - return; - if (s->the_bfd == NULL - || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0) - return; - - soname = bfd_elf_get_dt_soname (s->the_bfd); - if (soname == NULL) - soname = basename (bfd_get_filename (s->the_bfd)); - - for (l = global_vercheck_needed; l != NULL; l = l->next) - { - const char *suffix; - - if (strcmp (soname, l->name) == 0) - { - /* Probably can't happen, but it's an easy check. */ - continue; - } - - if (strchr (l->name, '/') != NULL) - continue; - - suffix = strstr (l->name, ".so."); - if (suffix == NULL) - continue; - - suffix += sizeof ".so." - 1; - - if (strncmp (soname, l->name, suffix - l->name) == 0) - { - /* Here we know that S is a dynamic object FOO.SO.VER1, and - the object we are considering needs a dynamic object - FOO.SO.VER2, and VER1 and VER2 are different. This - appears to be a version mismatch, so we tell the caller - to try a different version of this library. */ - global_vercheck_failed = true; - return; - } - } -} - - -/* See if an input file matches a DT_NEEDED entry by running stat on - the file. */ - -static void -gld${EMULATION_NAME}_stat_needed (s) - lang_input_statement_type *s; -{ - struct stat st; - const char *suffix; - const char *soname; - - if (global_found) - return; - if (s->the_bfd == NULL) - return; - - if (bfd_stat (s->the_bfd, &st) != 0) - { - einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd); - return; - } - - if (st.st_dev == global_stat.st_dev - && st.st_ino == global_stat.st_ino) - { - global_found = true; - return; - } - - /* We issue a warning if it looks like we are including two - different versions of the same shared library. For example, - there may be a problem if -lc picks up libc.so.6 but some other - shared library has a DT_NEEDED entry of libc.so.5. This is a - heuristic test, and it will only work if the name looks like - NAME.so.VERSION. FIXME: Depending on file names is error-prone. - If we really want to issue warnings about mixing version numbers - of shared libraries, we need to find a better way. */ - - if (strchr (global_needed->name, '/') != NULL) - return; - suffix = strstr (global_needed->name, ".so."); - if (suffix == NULL) - return; - suffix += sizeof ".so." - 1; - - soname = bfd_elf_get_dt_soname (s->the_bfd); - if (soname == NULL) - soname = basename (s->filename); - - if (strncmp (soname, global_needed->name, suffix - global_needed->name) == 0) - einfo ("%P: warning: %s, needed by %B, may conflict with %s\n", - global_needed->name, global_needed->by, soname); -} - - -/* This function is called for each possible name for a dynamic object - named by a DT_NEEDED entry. The FORCE parameter indicates whether - to skip the check for a conflicting version. */ - -static boolean -gld${EMULATION_NAME}_try_needed (name, force) - const char *name; - int force; -{ - bfd *abfd; - const char *soname; - - abfd = bfd_openr (name, bfd_get_target (output_bfd)); - if (abfd == NULL) - return false; - if (! bfd_check_format (abfd, bfd_object)) - { - bfd_close (abfd); - return false; - } - if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0) - { - bfd_close (abfd); - return false; - } - - /* Check whether this object would include any conflicting library - versions. If FORCE is set, then we skip this check; we use this - the second time around, if we couldn't find any compatible - instance of the shared library. */ - - if (! force) - { - struct bfd_link_needed_list *needed; - - if (! bfd_elf_get_bfd_needed_list (abfd, &needed)) - einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd); - - if (needed != NULL) - { - global_vercheck_needed = needed; - global_vercheck_failed = false; - lang_for_each_input_file (gld${EMULATION_NAME}_vercheck); - if (global_vercheck_failed) - { - bfd_close (abfd); - /* Return false to force the caller to move on to try - another file on the search path. */ - return false; - } - - /* But wait! It gets much worse. On Linux, if a shared - library does not use libc at all, we are supposed to skip - it the first time around in case we encounter a shared - library later on with the same name which does use the - version of libc that we want. This is much too horrible - to use on any system other than Linux. */ - -EOF -case ${target} in - *-*-linux-gnu*) - cat >>e${EMULATION_NAME}.c <<EOF - { - struct bfd_link_needed_list *l; - - for (l = needed; l != NULL; l = l->next) - if (strncmp (l->name, "libc.so", 7) == 0) - break; - if (l == NULL) - { - bfd_close (abfd); - return false; - } - } - -EOF - ;; -esac -cat >>e${EMULATION_NAME}.c <<EOF - } - } - - /* We've found a dynamic object matching the DT_NEEDED entry. */ - - /* We have already checked that there is no other input file of the - same name. We must now check again that we are not including the - same file twice. We need to do this because on many systems - libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will - reference libc.so.1. If we have already included libc.so, we - don't want to include libc.so.1 if they are the same file, and we - can only check that using stat. */ - - if (bfd_stat (abfd, &global_stat) != 0) - einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd); - - /* First strip off everything before the last '/'. */ - soname = basename (abfd->filename); - - if (trace_file_tries) - info_msg (_("found %s at %s\n"), soname, name); - - global_found = false; - lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed); - if (global_found) - { - /* Return true to indicate that we found the file, even though - we aren't going to do anything with it. */ - return true; - } - - /* Tell the ELF backend that we don't want the output file to have a - DT_NEEDED entry for this file. */ - bfd_elf_set_dt_needed_name (abfd, ""); - - /* Previos basename call was clobbered in lang_for_each_input_file. */ - soname = basename (abfd->filename); - - /* Tell the ELF backend that the output file needs a DT_NEEDED - entry for this file if it is used to resolve the reference in - a regular object. */ - bfd_elf_set_dt_needed_soname (abfd, soname); - - /* 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); - - return true; -} - - -/* Search for a needed file in a path. */ - -static boolean -gld${EMULATION_NAME}_search_needed (path, name, force) - const char *path; - const char *name; - int force; -{ - const char *s; - size_t len; - - if (name[0] == '/') - return gld${EMULATION_NAME}_try_needed (name, force); - - if (path == NULL || *path == '\0') - return false; - len = strlen (name); - while (1) - { - char *filename, *sset; - - s = strchr (path, ':'); - if (s == NULL) - s = path + strlen (path); - - filename = (char *) xmalloc (s - path + len + 2); - if (s == path) - sset = filename; - else - { - memcpy (filename, path, s - path); - filename[s - path] = '/'; - sset = filename + (s - path) + 1; - } - strcpy (sset, name); - - if (gld${EMULATION_NAME}_try_needed (filename, force)) - return true; - - free (filename); - - if (*s == '\0') - break; - path = s + 1; - } - - return false; -} - -EOF -if [ "x${host}" = "x${target}" ] ; then - case " ${EMULATION_LIBPATH} " in - *" ${EMULATION_NAME} "*) - case ${target} in - *-*-linux-gnu*) - cat >>e${EMULATION_NAME}.c <<EOF - -/* For a native linker, check the file /etc/ld.so.conf for directories - in which we may find shared libraries. /etc/ld.so.conf is really - only meaningful on Linux. */ - -static boolean gld${EMULATION_NAME}_check_ld_so_conf - PARAMS ((const char *, int)); - -static boolean -gld${EMULATION_NAME}_check_ld_so_conf (name, force) - const char *name; - int force; -{ - static boolean initialized; - static char *ld_so_conf; - - if (! initialized) - { - FILE *f; - - f = fopen ("/etc/ld.so.conf", FOPEN_RT); - if (f != NULL) - { - char *b; - size_t len, alloc; - int c; - - len = 0; - alloc = 100; - b = (char *) xmalloc (alloc); - - while ((c = getc (f)) != EOF) - { - if (len + 1 >= alloc) - { - alloc *= 2; - b = (char *) xrealloc (b, alloc); - } - if (c != ':' - && c != ' ' - && c != '\t' - && c != '\n' - && c != ',') - { - b[len] = c; - ++len; - } - else - { - if (len > 0 && b[len - 1] != ':') - { - b[len] = ':'; - ++len; - } - } - } - - if (len > 0 && b[len - 1] == ':') - --len; - - if (len > 0) - b[len] = '\0'; - else - { - free (b); - b = NULL; - } - - fclose (f); - - ld_so_conf = b; - } - - initialized = true; - } - - if (ld_so_conf == NULL) - return false; - - return gld${EMULATION_NAME}_search_needed (ld_so_conf, name, force); -} - -EOF - # Linux - ;; - esac - esac -fi -cat >>e${EMULATION_NAME}.c <<EOF - -/* See if an input file matches a DT_NEEDED entry by name. */ - -static void -gld${EMULATION_NAME}_check_needed (s) - lang_input_statement_type *s; -{ - if (global_found) - return; - - if (s->filename != NULL) - { - const char *f; - - if (strcmp (s->filename, global_needed->name) == 0) - { - global_found = true; - return; - } - - if (s->search_dirs_flag) - { - f = strrchr (s->filename, '/'); - if (f != NULL - && strcmp (f + 1, global_needed->name) == 0) - { - global_found = true; - return; - } - } - } - - if (s->the_bfd != NULL) - { - const char *soname; - - soname = bfd_elf_get_dt_soname (s->the_bfd); - if (soname != NULL - && strcmp (soname, global_needed->name) == 0) - { - global_found = true; - return; - } - } -} - -EOF - -if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then -cat >>e${EMULATION_NAME}.c <<EOF - -/* This is called after all the input files have been opened. */ - -static void -gld${EMULATION_NAME}_after_open () -{ - struct bfd_link_needed_list *needed, *l; - - /* We only need to worry about this when doing a final link. */ - if (link_info.relocateable || link_info.shared) - return; - - /* Get the list of files which appear in DT_NEEDED entries in - dynamic objects included in the link (often there will be none). - For each such file, we want to track down the corresponding - library, and include the symbol table in the link. This is what - the runtime dynamic linker will do. Tracking the files down here - permits one dynamic object to include another without requiring - special action by the person doing the link. Note that the - needed list can actually grow while we are stepping through this - loop. */ - needed = bfd_elf_get_needed_list (output_bfd, &link_info); - for (l = needed; l != NULL; l = l->next) - { - struct bfd_link_needed_list *ll; - int force; - - /* If we've already seen this file, skip it. */ - for (ll = needed; ll != l; ll = ll->next) - if (strcmp (ll->name, l->name) == 0) - break; - if (ll != l) - continue; - - /* See if this file was included in the link explicitly. */ - global_needed = l; - global_found = false; - lang_for_each_input_file (gld${EMULATION_NAME}_check_needed); - if (global_found) - continue; - - if (trace_file_tries) - info_msg (_("%s needed by %B\n"), l->name, l->by); - - /* We need to find this file and include the symbol table. 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, then the environment variable - LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH - entries (native only), then the linker script LIB_SEARCH_DIRS. - We do not search using the -L arguments. - - We search twice. The first time, we skip objects which may - introduce version mismatches. The second time, we force - their use. See gld${EMULATION_NAME}_vercheck comment. */ - for (force = 0; force < 2; force++) - { - size_t len; - search_dirs_type *search; -EOF -if [ "x${host}" = "x${target}" ] ; then - case " ${EMULATION_LIBPATH} " in - *" ${EMULATION_NAME} "*) -cat >>e${EMULATION_NAME}.c <<EOF - const char *lib_path; - struct bfd_link_needed_list *rp; - int found; -EOF - ;; - esac -fi -cat >>e${EMULATION_NAME}.c <<EOF - - if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link, - l->name, force)) - break; -EOF -if [ "x${host}" = "x${target}" ] ; then - case " ${EMULATION_LIBPATH} " in - *" ${EMULATION_NAME} "*) -cat >>e${EMULATION_NAME}.c <<EOF - if (gld${EMULATION_NAME}_search_needed (command_line.rpath, - l->name, force)) - break; - if (command_line.rpath_link == NULL - && command_line.rpath == NULL) - { - lib_path = (const char *) getenv ("LD_RUN_PATH"); - if (gld${EMULATION_NAME}_search_needed (lib_path, l->name, - force)) - break; - } - lib_path = (const char *) getenv ("LD_LIBRARY_PATH"); - if (gld${EMULATION_NAME}_search_needed (lib_path, l->name, force)) - break; - - found = 0; - rp = bfd_elf_get_runpath_list (output_bfd, &link_info); - for (; !found && rp != NULL; rp = rp->next) - { - found = (rp->by == l->by - && gld${EMULATION_NAME}_search_needed (rp->name, - l->name, - force)); - } - if (found) - break; - -EOF - ;; - esac -fi -cat >>e${EMULATION_NAME}.c <<EOF - len = strlen (l->name); - for (search = search_head; search != NULL; search = search->next) - { - char *filename; - - if (search->cmdline) - continue; - filename = (char *) xmalloc (strlen (search->name) + len + 2); - sprintf (filename, "%s/%s", search->name, l->name); - if (gld${EMULATION_NAME}_try_needed (filename, force)) - break; - free (filename); - } - if (search != NULL) - break; -EOF -if [ "x${host}" = "x${target}" ] ; then - case " ${EMULATION_LIBPATH} " in - *" ${EMULATION_NAME} "*) - case ${target} in - *-*-linux-gnu*) - cat >>e${EMULATION_NAME}.c <<EOF - if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force)) - break; -EOF - # Linux - ;; - esac - ;; - esac -fi -cat >>e${EMULATION_NAME}.c <<EOF - } - - if (force < 2) - continue; - - einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n", - l->name, l->by); - } -} - -EOF -fi - -cat >>e${EMULATION_NAME}.c <<EOF - -/* Look through an expression for an assignment statement. */ - -static void -gld${EMULATION_NAME}_find_exp_assignment (exp) - etree_type *exp; -{ - struct bfd_link_hash_entry *h; - - switch (exp->type.node_class) - { - case etree_provide: - h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst, - false, false, false); - if (h == NULL) - break; - - /* We call record_link_assignment even if the symbol is defined. - This is because if it is defined by a dynamic object, we - actually want to use the value defined by the linker script, - not the value from the dynamic object (because we are setting - symbols like etext). If the symbol is defined by a regular - object, then, as it happens, calling record_link_assignment - will do no harm. */ - - /* Fall through. */ - case etree_assign: - if (strcmp (exp->assign.dst, ".") != 0) - { - if (! (bfd_elf${ELFSIZE}_record_link_assignment - (output_bfd, &link_info, exp->assign.dst, - exp->type.node_class == etree_provide ? true : false))) - einfo ("%P%F: failed to record assignment to %s: %E\n", - exp->assign.dst); - } - gld${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; - } -} - - -/* This is called by the before_allocation routine via - lang_for_each_statement. It locates any assignment statements, and - tells the ELF backend about them, in case they are assignments to - symbols which are referred to by dynamic objects. */ - -static void -gld${EMULATION_NAME}_find_statement_assignment (s) - lang_statement_union_type *s; -{ - if (s->header.type == lang_assignment_statement_enum) - gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); -} - -EOF - -if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then - if test x"${ELF_INTERPRETER_NAME+set}" = xset; then - ELF_INTERPRETER_SET_DEFAULT=" - if (sinterp != NULL) - { - sinterp->contents = ${ELF_INTERPRETER_NAME}; - sinterp->_raw_size = strlen (sinterp->contents) + 1; - } - -" - else - ELF_INTERPRETER_SET_DEFAULT= - fi -cat >>e${EMULATION_NAME}.c <<EOF - -/* This is called after the sections have been attached to output - sections, but before any sizes or addresses have been set. */ - -static void -gld${EMULATION_NAME}_before_allocation () -{ - const char *rpath; - asection *sinterp; - - /* If we are going to make any variable assignments, we need to let - the ELF backend know about them in case the variables are - referred to by dynamic objects. */ - lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment); - - /* Let the ELF backend work out the sizes of any sections required - by dynamic linking. */ - rpath = command_line.rpath; - if (rpath == NULL) - rpath = (const char *) getenv ("LD_RUN_PATH"); - if (! (bfd_elf${ELFSIZE}_size_dynamic_sections - (output_bfd, command_line.soname, rpath, - command_line.filter_shlib, - (const char * const *) command_line.auxiliary_filters, - &link_info, &sinterp, lang_elf_version_info))) - einfo ("%P%F: failed to set dynamic section sizes: %E\n"); -${ELF_INTERPRETER_SET_DEFAULT} - /* Let the user override the dynamic linker we are using. */ - if (command_line.interpreter != NULL - && sinterp != NULL) - { - sinterp->contents = (bfd_byte *) command_line.interpreter; - sinterp->_raw_size = strlen (command_line.interpreter) + 1; - } - - /* Look for any sections named .gnu.warning. As a GNU extensions, - we treat such sections as containing warning messages. We print - out the warning message, and then zero out the section size so - that it does not get copied into the output file. */ - - { - LANG_FOR_EACH_INPUT_STATEMENT (is) - { - asection *s; - bfd_size_type sz; - char *msg; - boolean ret; - - if (is->just_syms_flag) - continue; - - s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning"); - if (s == NULL) - continue; - - sz = bfd_section_size (is->the_bfd, s); - msg = xmalloc ((size_t) sz + 1); - if (! bfd_get_section_contents (is->the_bfd, s, msg, (file_ptr) 0, sz)) - einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n", - is->the_bfd); - msg[sz] = '\0'; - ret = link_info.callbacks->warning (&link_info, msg, - (const char *) NULL, - is->the_bfd, (asection *) NULL, - (bfd_vma) 0); - ASSERT (ret); - free (msg); - - /* Clobber the section size, so that we don't waste copying the - warning into the output file. */ - s->_raw_size = 0; - } - } -} - -EOF -fi - -if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then -cat >>e${EMULATION_NAME}.c <<EOF - -/* Try to open a dynamic archive. This is where we know that ELF - dynamic libraries have an extension of .so (or .sl on oddball systems - like hpux). */ - -static boolean -gld${EMULATION_NAME}_open_dynamic_archive (arch, search, entry) - const char *arch; - search_dirs_type *search; - lang_input_statement_type *entry; -{ - const char *filename; - char *string; - - if (! entry->is_archive) - return false; - - filename = entry->filename; - - /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION - is defined, but it does not seem worth the headache to optimize - away those two bytes of space. */ - string = (char *) xmalloc (strlen (search->name) - + strlen (filename) - + strlen (arch) -#ifdef EXTRA_SHLIB_EXTENSION - + strlen (EXTRA_SHLIB_EXTENSION) -#endif - + sizeof "/lib.so"); - - sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); - -#ifdef EXTRA_SHLIB_EXTENSION - /* Try the .so extension first. If that fails build a new filename - using EXTRA_SHLIB_EXTENSION. */ - if (! ldfile_try_open_bfd (string, entry)) - sprintf (string, "%s/lib%s%s%s", search->name, - filename, arch, EXTRA_SHLIB_EXTENSION); -#endif - - if (! ldfile_try_open_bfd (string, entry)) - { - free (string); - return false; - } - - entry->filename = string; - - /* We have found a dynamic object to include in the link. The ELF - backend linker will create a DT_NEEDED entry in the .dynamic - section naming this file. If this file includes a DT_SONAME - entry, it will be used. Otherwise, the ELF linker will just use - the name of the file. For an archive found by searching, like - this one, the DT_NEEDED entry should consist of just the name of - the file, without the path information used to find it. Note - that we only need to do this if we have a dynamic object; an - archive will never be referenced by a DT_NEEDED entry. - - FIXME: This approach--using bfd_elf_set_dt_needed_name--is not - very pretty. I haven't been able to think of anything that is - pretty, though. */ - if (bfd_check_format (entry->the_bfd, bfd_object) - && (entry->the_bfd->flags & DYNAMIC) != 0) - { - ASSERT (entry->is_archive && entry->search_dirs_flag); - - /* Rather than duplicating the logic above. Just use the - filename we recorded earlier. */ - - filename = xstrdup (basename (entry->filename)); - bfd_elf_set_dt_needed_name (entry->the_bfd, filename); - } - - return true; -} - -EOF -fi - -if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then -cat >>e${EMULATION_NAME}.c <<EOF - -/* A variant of lang_output_section_find. Used by place_orphan. */ - -static lang_output_section_statement_type * -output_rel_find () -{ - lang_statement_union_type *u; - lang_output_section_statement_type *lookup; - - for (u = lang_output_section_statement.head; - u != (lang_statement_union_type *) NULL; - u = lookup->next) - { - lookup = &u->output_section_statement; - if (strncmp (".rel", lookup->name, 4) == 0 - && lookup->bfd_section != NULL - && (lookup->bfd_section->flags & SEC_ALLOC) != 0) - { - return lookup; - } - } - return (lang_output_section_statement_type *) NULL; -} - -/* Find the last output section before given output statement. - Used by place_orphan. */ - -static asection * -output_prev_sec_find (os) - lang_output_section_statement_type *os; -{ - asection *s = (asection *) NULL; - lang_statement_union_type *u; - lang_output_section_statement_type *lookup; - - for (u = lang_output_section_statement.head; - u != (lang_statement_union_type *) NULL; - u = lookup->next) - { - lookup = &u->output_section_statement; - if (lookup == os) - return s; - - if (lookup->bfd_section != NULL && lookup->bfd_section->owner != NULL) - s = lookup->bfd_section; - } - - return NULL; -} - -/* Place an orphan section. We use this to put random SHF_ALLOC - sections in the right segment. */ - -struct orphan_save { - lang_output_section_statement_type *os; - asection **section; - lang_statement_union_type **stmt; -}; - -static boolean -gld${EMULATION_NAME}_place_orphan (file, s) - lang_input_statement_type *file; - asection *s; -{ - static struct orphan_save hold_text; - static struct orphan_save hold_rodata; - static struct orphan_save hold_data; - static struct orphan_save hold_bss; - static struct orphan_save hold_rel; - static struct orphan_save hold_interp; - static struct orphan_save hold_sdata; - static int count = 1; - struct orphan_save *place; - lang_statement_list_type *old; - lang_statement_list_type add; - etree_type *address; - const char *secname; - const char *outsecname; - const char *ps = NULL; - lang_output_section_statement_type *os; - - secname = bfd_get_section_name (s->owner, s); - - if (! config.unique_orphan_sections && ! unique_section_p (secname)) - { - /* Look through the script to see where to place this section. */ - os = lang_output_section_find (secname); - - if (os != NULL - && (os->bfd_section == NULL - || ((s->flags ^ os->bfd_section->flags) - & (SEC_LOAD | SEC_ALLOC)) == 0)) - { - /* We already have an output section statement with this - name, and its bfd section, if any, has compatible flags. */ - lang_add_section (&os->children, s, os, file); - return true; - } - } - - if (hold_text.os == NULL) - hold_text.os = lang_output_section_find (".text"); - - /* If this is a final link, then always put .gnu.warning.SYMBOL - sections into the .text section to get them out of the way. */ - if (! link_info.shared - && ! link_info.relocateable - && strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0 - && hold_text.os != NULL) - { - lang_add_section (&hold_text.os->children, s, hold_text.os, file); - return true; - } - - /* Decide which segment the section should go in based on the - section name and section flags. We put loadable .note sections - right after the .interp section, so that the PT_NOTE segment is - stored right after the program headers where the OS can read it - in the first page. */ -#define HAVE_SECTION(hold, name) \ -(hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL) - - if (s->flags & SEC_EXCLUDE) - { - if (s->output_section == NULL) - s->output_section = bfd_abs_section_ptr; - return true; - } - - place = NULL; - if ((s->flags & SEC_ALLOC) == 0) - ; - else if ((s->flags & SEC_LOAD) != 0 - && strncmp (secname, ".note", 5) == 0 - && HAVE_SECTION (hold_interp, ".interp")) - place = &hold_interp; - else if ((s->flags & SEC_HAS_CONTENTS) == 0 - && HAVE_SECTION (hold_bss, ".bss")) - place = &hold_bss; - else if ((s->flags & SEC_SMALL_DATA) != 0 - && HAVE_SECTION (hold_sdata, ".sdata")) - place = &hold_sdata; - else if ((s->flags & SEC_READONLY) == 0 - && HAVE_SECTION (hold_data, ".data")) - place = &hold_data; - else if (strncmp (secname, ".rel", 4) == 0 - && (hold_rel.os != NULL - || (hold_rel.os = output_rel_find ()) != NULL)) - { - if (! link_info.relocateable && link_info.combreloc) - { - if (strncmp (secname, ".rela", 5) == 0) - os = lang_output_section_find (".rela.dyn"); - else - os = lang_output_section_find (".rel.dyn"); - - if (os != NULL - && os->bfd_section != NULL - && ((s->flags ^ os->bfd_section->flags) - & (SEC_LOAD | SEC_ALLOC)) == 0) - { - lang_add_section (&os->children, s, os, file); - return true; - } - } - place = &hold_rel; - } - else if ((s->flags & (SEC_CODE | SEC_READONLY)) == SEC_READONLY - && HAVE_SECTION (hold_rodata, ".rodata")) - place = &hold_rodata; - else if ((s->flags & (SEC_CODE | SEC_READONLY)) == (SEC_CODE | SEC_READONLY) - && hold_text.os != NULL) - place = &hold_text; - -#undef HAVE_SECTION - - /* Choose a unique name for the section. This will be needed if the - same section name appears in the input file with different - loadable or allocatable characteristics. */ - outsecname = secname; - if (bfd_get_section_by_name (output_bfd, outsecname) != NULL) - { - outsecname = bfd_get_unique_section_name (output_bfd, - outsecname, - &count); - if (outsecname == NULL) - einfo ("%F%P: place_orphan failed: %E\n"); - } - - /* Start building a list of statements for this section. - First save the current statement pointer. */ - old = stat_ptr; - - /* If we have found an appropriate place for the output section - statements for this orphan, add them to our own private list, - inserting them later into the global statement list. */ - if (place != NULL) - { - stat_ptr = &add; - lang_list_init (stat_ptr); - } - - if (config.build_constructors) - { - /* If the name of the section is representable in C, then create - symbols to mark the start and the end of the section. */ - for (ps = outsecname; *ps != '\0'; ps++) - if (! ISALNUM (*ps) && *ps != '_') - break; - if (*ps == '\0') - { - char *symname; - etree_type *e_align; - - symname = (char *) xmalloc (ps - outsecname + sizeof "__start_"); - sprintf (symname, "__start_%s", outsecname); - e_align = exp_unop (ALIGN_K, - exp_intop ((bfd_vma) 1 << s->alignment_power)); - lang_add_assignment (exp_assop ('=', symname, e_align)); - } - } - - if (link_info.relocateable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0) - address = exp_intop ((bfd_vma) 0); - else - address = NULL; - - os = lang_enter_output_section_statement (outsecname, address, 0, - (bfd_vma) 0, - (etree_type *) NULL, - (etree_type *) NULL, - (etree_type *) NULL); - - lang_add_section (&os->children, s, os, file); - - lang_leave_output_section_statement - ((bfd_vma) 0, "*default*", - (struct lang_output_section_phdr_list *) NULL, "*default*"); - - if (config.build_constructors && *ps == '\0') - { - char *symname; - - /* lang_leave_ouput_section_statement resets stat_ptr. Put - stat_ptr back where we want it. */ - if (place != NULL) - stat_ptr = &add; - - symname = (char *) xmalloc (ps - outsecname + sizeof "__stop_"); - sprintf (symname, "__stop_%s", outsecname); - lang_add_assignment (exp_assop ('=', symname, - exp_nameop (NAME, "."))); - } - - /* Restore the global list pointer. */ - stat_ptr = old; - - if (place != NULL) - { - asection *snew, **pps; - - snew = os->bfd_section; - - /* Shuffle the bfd section list to make the output file look - neater. This is really only cosmetic. */ - if (place->section == NULL) - { - asection *bfd_section = place->os->bfd_section; - - /* If the output statement hasn't been used to place - any input sections (and thus doesn't have an output - bfd_section), look for the closest prior output statement - having an output section. */ - if (bfd_section == NULL) - bfd_section = output_prev_sec_find (place->os); - - if (bfd_section != NULL && bfd_section != snew) - place->section = &bfd_section->next; - } - - if (place->section != NULL) - { - /* Unlink the section. */ - for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next) - ; - bfd_section_list_remove (output_bfd, pps); - - /* Now tack it on to the "place->os" section list. */ - bfd_section_list_insert (output_bfd, place->section, snew); - } - - /* Save the end of this list. Further ophans of this type will - follow the one we've just added. */ - place->section = &snew->next; - - /* The following is non-cosmetic. We try to put the output - statements in some sort of reasonable order here, because - they determine the final load addresses of the orphan - sections. In addition, placing output statements in the - wrong order may require extra segments. For instance, - given a typical situation of all read-only sections placed - in one segment and following that a segment containing all - the read-write sections, we wouldn't want to place an orphan - read/write section before or amongst the read-only ones. */ - if (add.head != NULL) - { - if (place->stmt == NULL) - { - /* Put the new statement list right at the head. */ - *add.tail = place->os->header.next; - place->os->header.next = add.head; - } - else - { - /* Put it after the last orphan statement we added. */ - *add.tail = *place->stmt; - *place->stmt = add.head; - } - - /* Fix the global list pointer if we happened to tack our - new list at the tail. */ - if (*old->tail == add.head) - old->tail = add.tail; - - /* Save the end of this list. */ - place->stmt = add.tail; - } - } - - return true; -} -EOF -fi - -if test x"$LDEMUL_FINISH" != xgld"$EMULATION_NAME"_finish; then -cat >>e${EMULATION_NAME}.c <<EOF - -static void -gld${EMULATION_NAME}_finish () -{ - if (bfd_elf${ELFSIZE}_discard_info (output_bfd, &link_info)) - { - lang_reset_memory_regions (); - - /* Resize the sections. */ - lang_size_sections (stat_ptr->head, abs_output_section, - &stat_ptr->head, 0, (bfd_vma) 0, NULL); - - /* Redo special stuff. */ - ldemul_after_allocation (); - - /* Do the assignments again. */ - lang_do_assignments (stat_ptr->head, abs_output_section, - (fill_type *) 0, (bfd_vma) 0); - } -} -EOF -fi - -if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then -cat >>e${EMULATION_NAME}.c <<EOF - -static char * -gld${EMULATION_NAME}_get_script (isfile) - int *isfile; -EOF - -if test -n "$COMPILE_IN" -then -# Scripts compiled in. - -# sed commands to quote an ld script as a C string. -sc="-f stringify.sed" - -cat >>e${EMULATION_NAME}.c <<EOF -{ - *isfile = 0; - - if (link_info.relocateable == true && config.build_constructors == true) - 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${EMULATION_NAME}.c -if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else -echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c -sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c -fi -if test -n "$GENERATE_SHLIB_SCRIPT" ; then -echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c -sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c -echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c -sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c -fi -echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c -sed $sc ldscripts/${EMULATION_NAME}.xc >> 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. - -cat >>e${EMULATION_NAME}.c <<EOF -{ - *isfile = 1; - - if (link_info.relocateable == true && config.build_constructors == true) - return "ldscripts/${EMULATION_NAME}.xu"; - else if (link_info.relocateable == true) - return "ldscripts/${EMULATION_NAME}.xr"; - else if (!config.text_read_only) - return "ldscripts/${EMULATION_NAME}.xbn"; - else if (!config.magic_demand_paged) - return "ldscripts/${EMULATION_NAME}.xn"; - else if (link_info.shared) - return "ldscripts/${EMULATION_NAME}.xs"; - else - return "ldscripts/${EMULATION_NAME}.x"; -} - -EOF -fi -fi - -if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then - -if test x"$LDEMUL_PARSE_ARGS" != xgld"$EMULATION_NAME"_parse_args; then - -if test -n "$PARSE_AND_LIST_PROLOGUE" ; then -cat >>e${EMULATION_NAME}.c <<EOF - $PARSE_AND_LIST_PROLOGUE -EOF -fi - -cat >>e${EMULATION_NAME}.c <<EOF - -#include "getopt.h" - -#define OPTION_DISABLE_NEW_DTAGS (400) -#define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1) -#define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1) -#define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1) - -static struct option longopts[] = -{ -EOF - -if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then -cat >>e${EMULATION_NAME}.c <<EOF - /* getopt allows abbreviations, so we do this to stop it from - treating -d/-e as abbreviations for these options. */ - {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, - {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, - {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, - {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, - {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR}, - {"Bgroup", no_argument, NULL, OPTION_GROUP}, - {"Bgroup", no_argument, NULL, OPTION_GROUP}, -EOF -fi - -if test -n "$PARSE_AND_LIST_LONGOPTS" ; then -cat >>e${EMULATION_NAME}.c <<EOF - $PARSE_AND_LIST_LONGOPTS -EOF -fi - -cat >>e${EMULATION_NAME}.c <<EOF - {NULL, no_argument, NULL, 0} -}; - - -static int gld${EMULATION_NAME}_parse_args PARAMS ((int, char **)); - -static int -gld${EMULATION_NAME}_parse_args (argc, argv) - int argc; - char ** argv; -{ - int longind; - int optc; - static int prevoptind = -1; - int prevopterr = opterr; - int wanterror; - - if (prevoptind != optind) - opterr = 0; - - wanterror = opterr; - prevoptind = optind; - - optc = getopt_long_only (argc, argv, - "-${PARSE_AND_LIST_SHORTOPTS}z:", longopts, - &longind); - opterr = prevopterr; - - switch (optc) - { - default: - if (wanterror) - xexit (1); - optind = prevoptind; - return 0; - -EOF - -if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then -cat >>e${EMULATION_NAME}.c <<EOF - case OPTION_DISABLE_NEW_DTAGS: - link_info.new_dtags = false; - break; - - case OPTION_ENABLE_NEW_DTAGS: - link_info.new_dtags = true; - break; - - case OPTION_EH_FRAME_HDR: - link_info.eh_frame_hdr = true; - break; - - case OPTION_GROUP: - link_info.flags_1 |= (bfd_vma) DF_1_GROUP; - /* Groups must be self-contained. */ - link_info.no_undefined = true; - break; - - case 'z': - if (strcmp (optarg, "initfirst") == 0) - link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST; - else if (strcmp (optarg, "interpose") == 0) - link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE; - else if (strcmp (optarg, "loadfltr") == 0) - link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR; - else if (strcmp (optarg, "nodefaultlib") == 0) - link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB; - else if (strcmp (optarg, "nodelete") == 0) - link_info.flags_1 |= (bfd_vma) DF_1_NODELETE; - else if (strcmp (optarg, "nodlopen") == 0) - link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN; - else if (strcmp (optarg, "nodump") == 0) - link_info.flags_1 |= (bfd_vma) DF_1_NODUMP; - else if (strcmp (optarg, "now") == 0) - { - link_info.flags |= (bfd_vma) DF_BIND_NOW; - link_info.flags_1 |= (bfd_vma) DF_1_NOW; - } - else if (strcmp (optarg, "origin") == 0) - { - link_info.flags |= (bfd_vma) DF_ORIGIN; - link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN; - } - else if (strcmp (optarg, "defs") == 0) - link_info.no_undefined = true; - else if (strcmp (optarg, "combreloc") == 0) - link_info.combreloc = true; - else if (strcmp (optarg, "nocombreloc") == 0) - link_info.combreloc = false; - else if (strcmp (optarg, "nocopyreloc") == 0) - link_info.nocopyreloc = true; - /* What about the other Solaris -z options? FIXME. */ - break; -EOF -fi - -if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then -cat >>e${EMULATION_NAME}.c <<EOF - $PARSE_AND_LIST_ARGS_CASES -EOF -fi - -cat >>e${EMULATION_NAME}.c <<EOF - } - - return 1; -} - -EOF -fi - -if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then -cat >>e${EMULATION_NAME}.c <<EOF - -static void gld${EMULATION_NAME}_list_options PARAMS ((FILE * file)); - -static void -gld${EMULATION_NAME}_list_options (file) - FILE * file; -{ -EOF - -if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then -cat >>e${EMULATION_NAME}.c <<EOF - fprintf (file, _(" -Bgroup\t\tSelects group name lookup rules for DSO\n")); - fprintf (file, _(" --disable-new-dtags\tDisable new dynamic tags\n")); - fprintf (file, _(" --enable-new-dtags\tEnable new dynamic tags\n")); - fprintf (file, _(" --eh-frame-hdr\tCreate .eh_frame_hdr section\n")); - fprintf (file, _(" -z combreloc\t\tMerge dynamic relocs into one section and sort\n")); - fprintf (file, _(" -z defs\t\tDisallows undefined symbols\n")); - fprintf (file, _(" -z initfirst\t\tMark DSO to be initialized first at runtime\n")); - fprintf (file, _(" -z interpose\t\tMark object to interpose all DSOs but executable\n")); - fprintf (file, _(" -z loadfltr\t\tMark object requiring immediate process\n")); - fprintf (file, _(" -z nocombreloc\tDon't merge dynamic relocs into one section\n")); - fprintf (file, _(" -z nocopyreloc\tDon't create copy relocs\n")); - fprintf (file, _(" -z nodefaultlib\tMark object not to use default search paths\n")); - fprintf (file, _(" -z nodelete\t\tMark DSO non-deletable at runtime\n")); - fprintf (file, _(" -z nodlopen\t\tMark DSO not available to dlopen\n")); - fprintf (file, _(" -z nodump\t\tMark DSO not available to dldump\n")); - fprintf (file, _(" -z now\t\tMark object non-lazy runtime binding\n")); - fprintf (file, _(" -z origin\t\tMark object requiring immediate \$ORIGIN processing\n\t\t\t at runtime\n")); - fprintf (file, _(" -z KEYWORD\t\tIgnored for Solaris compatibility\n")); -EOF -fi - -if test -n "$PARSE_AND_LIST_OPTIONS" ; then -cat >>e${EMULATION_NAME}.c <<EOF - $PARSE_AND_LIST_OPTIONS -EOF -fi - -cat >>e${EMULATION_NAME}.c <<EOF -} -EOF - -if test -n "$PARSE_AND_LIST_EPILOGUE" ; then -cat >>e${EMULATION_NAME}.c <<EOF - $PARSE_AND_LIST_EPILOGUE -EOF -fi -fi -else -if test x"$LDEMUL_PARSE_ARGS" != xgld"$EMULATION_NAME"_parse_args; then -cat >>e${EMULATION_NAME}.c <<EOF -#define gld${EMULATION_NAME}_parse_args NULL -EOF -fi -if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then -cat >>e${EMULATION_NAME}.c <<EOF -#define gld${EMULATION_NAME}_list_options NULL -EOF -fi -fi - -cat >>e${EMULATION_NAME}.c <<EOF - -struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = -{ - ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse}, - ${LDEMUL_SYSLIB-syslib_default}, - ${LDEMUL_HLL-hll_default}, - ${LDEMUL_AFTER_PARSE-after_parse_default}, - ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open}, - ${LDEMUL_AFTER_ALLOCATION-after_allocation_default}, - ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default}, - ${LDEMUL_CHOOSE_TARGET-ldemul_default_target}, - ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation}, - ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, - "${EMULATION_NAME}", - "${OUTPUT_FORMAT}", - ${LDEMUL_FINISH-gld${EMULATION_NAME}_finish}, - ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, - ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, - ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, - ${LDEMUL_SET_SYMBOLS-NULL}, - ${LDEMUL_PARSE_ARGS-gld${EMULATION_NAME}_parse_args}, - ${LDEMUL_UNRECOGNIZED_FILE-NULL}, - ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options}, - ${LDEMUL_RECOGNIZED_FILE-NULL}, - ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL}, -}; -EOF |