| /* This file is is generated by a shell script. DO NOT EDIT! */ |
| |
| /* 32 bit ELF emulation code for elf32ebmip |
| Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2001 |
| 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_elf32ebmip |
| |
| #include "bfd.h" |
| #include "sysdep.h" |
| |
| #include <ctype.h> |
| |
| #include "bfdlink.h" |
| |
| #include "ld.h" |
| #include "ldmain.h" |
| #include "ldmisc.h" |
| #include "ldexp.h" |
| #include "ldlang.h" |
| #include "ldgram.h" |
| #include "ldfile.h" |
| #include "ldemul.h" |
| |
| static void gldelf32ebmip_before_parse PARAMS ((void)); |
| static boolean gldelf32ebmip_open_dynamic_archive |
| PARAMS ((const char *, search_dirs_type *, lang_input_statement_type *)); |
| static void gldelf32ebmip_after_open PARAMS ((void)); |
| static void gldelf32ebmip_check_needed |
| PARAMS ((lang_input_statement_type *)); |
| static void gldelf32ebmip_stat_needed |
| PARAMS ((lang_input_statement_type *)); |
| static boolean gldelf32ebmip_search_needed |
| PARAMS ((const char *, const char *)); |
| static boolean gldelf32ebmip_try_needed PARAMS ((const char *)); |
| static void gldelf32ebmip_before_allocation PARAMS ((void)); |
| static void gldelf32ebmip_find_statement_assignment |
| PARAMS ((lang_statement_union_type *)); |
| static void gldelf32ebmip_find_exp_assignment PARAMS ((etree_type *)); |
| static boolean gldelf32ebmip_place_orphan |
| PARAMS ((lang_input_statement_type *, asection *)); |
| static void gldelf32ebmip_place_section |
| PARAMS ((lang_statement_union_type *)); |
| static char *gldelf32ebmip_get_script PARAMS ((int *isfile)); |
| |
| static void |
| gldelf32ebmip_before_parse() |
| { |
| ldfile_output_architecture = bfd_arch_mips; |
| config.dynamic_link = true; |
| } |
| |
| /* Try to open a dynamic archive. This is where we know that ELF |
| dynamic libraries have an extension of .so. */ |
| |
| static boolean |
| gldelf32ebmip_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; |
| |
| string = (char *) xmalloc (strlen (search->name) |
| + strlen (filename) |
| + strlen (arch) |
| + sizeof "/lib.so"); |
| |
| sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); |
| |
| 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) |
| { |
| char *needed_name; |
| |
| ASSERT (entry->is_archive && entry->search_dirs_flag); |
| needed_name = (char *) xmalloc (strlen (filename) |
| + strlen (arch) |
| + sizeof "lib.so"); |
| sprintf (needed_name, "lib%s%s.so", filename, arch); |
| bfd_elf_set_dt_needed_name (entry->the_bfd, needed_name); |
| } |
| |
| return true; |
| } |
| |
| |
| /* These variables are required to pass information back and forth |
| between after_open and check_needed and stat_needed. */ |
| |
| static struct bfd_link_needed_list *global_needed; |
| static struct stat global_stat; |
| static boolean global_found; |
| |
| /* This is called after all the input files have been opened. */ |
| |
| static void |
| gldelf32ebmip_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; |
| const char *lib_path; |
| size_t len; |
| search_dirs_type *search; |
| |
| /* 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 (gldelf32ebmip_check_needed); |
| if (global_found) |
| continue; |
| |
| /* 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 linker script |
| LIB_SEARCH_DIRS. We do not search using the -L arguments. */ |
| if (gldelf32ebmip_search_needed (command_line.rpath_link, |
| l->name)) |
| continue; |
| if (gldelf32ebmip_search_needed (command_line.rpath, l->name)) |
| continue; |
| if (command_line.rpath_link == NULL |
| && command_line.rpath == NULL) |
| { |
| lib_path = (const char *) getenv ("LD_RUN_PATH"); |
| if (gldelf32ebmip_search_needed (lib_path, l->name)) |
| continue; |
| } |
| 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 (gldelf32ebmip_try_needed (filename)) |
| break; |
| free (filename); |
| } |
| if (search != NULL) |
| continue; |
| |
| einfo (_("%P: warning: %s, needed by %B, not found\n"), |
| l->name, l->by); |
| } |
| } |
| |
| /* Search for a needed file in a path. */ |
| |
| static boolean |
| gldelf32ebmip_search_needed (path, name) |
| const char *path; |
| const char *name; |
| { |
| const char *s; |
| size_t len; |
| |
| 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 (gldelf32ebmip_try_needed (filename)) |
| return true; |
| |
| free (filename); |
| |
| if (*s == '\0') |
| break; |
| path = s + 1; |
| } |
| |
| return false; |
| } |
| |
| /* This function is called for each possible name for a dynamic object |
| named by a DT_NEEDED entry. */ |
| |
| static boolean |
| gldelf32ebmip_try_needed (name) |
| const char *name; |
| { |
| bfd *abfd; |
| |
| abfd = bfd_openr (name, bfd_get_target (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 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); |
| global_found = false; |
| lang_for_each_input_file (gldelf32ebmip_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 don't want the output file to have a |
| DT_NEEDED entry for this file. */ |
| bfd_elf_set_dt_needed_name (abfd, ""); |
| |
| /* 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; |
| } |
| |
| /* See if an input file matches a DT_NEEDED entry by name. */ |
| |
| static void |
| gldelf32ebmip_check_needed (s) |
| lang_input_statement_type *s; |
| { |
| if (global_found) |
| return; |
| |
| if (s->filename != NULL |
| && strcmp (s->filename, 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; |
| } |
| } |
| |
| if (s->search_dirs_flag |
| && s->filename != NULL |
| && strchr (global_needed->name, '/') == NULL) |
| { |
| const char *f; |
| |
| f = strrchr (s->filename, '/'); |
| if (f != NULL |
| && strcmp (f + 1, global_needed->name) == 0) |
| { |
| global_found = true; |
| return; |
| } |
| } |
| } |
| |
| /* See if an input file matches a DT_NEEDED entry by running stat on |
| the file. */ |
| |
| static void |
| gldelf32ebmip_stat_needed (s) |
| lang_input_statement_type *s; |
| { |
| struct stat st; |
| const char *suffix; |
| const char *soname; |
| const char *f; |
| |
| 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 |
| hueristic 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 = s->filename; |
| |
| f = strrchr (soname, '/'); |
| if (f != NULL) |
| ++f; |
| else |
| f = soname; |
| |
| if (strncmp (f, 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, f); |
| } |
| |
| /* This is called after the sections have been attached to output |
| sections, but before any sizes or addresses have been set. */ |
| |
| static void |
| gldelf32ebmip_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 (gldelf32ebmip_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_elf32_size_dynamic_sections |
| (output_bfd, command_line.soname, rpath, |
| command_line.export_dynamic, 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")); |
| |
| /* 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; |
| } |
| } |
| } |
| |
| /* 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 |
| gldelf32ebmip_find_statement_assignment (s) |
| lang_statement_union_type *s; |
| { |
| if (s->header.type == lang_assignment_statement_enum) |
| gldelf32ebmip_find_exp_assignment (s->assignment_statement.exp); |
| } |
| |
| /* Look through an expression for an assignment statement. */ |
| |
| static void |
| gldelf32ebmip_find_exp_assignment (exp) |
| etree_type *exp; |
| { |
| struct bfd_link_hash_entry *h; |
| |
| switch (exp->type.node_class) |
| { |
| case etree_provide: |
| case etree_provided: |
| 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_elf32_record_link_assignment |
| (output_bfd, &link_info, exp->assign.dst, |
| exp->type.node_class != etree_assign ? true : false))) |
| einfo (_("%P%F: failed to record assignment to %s: %E\n"), |
| exp->assign.dst); |
| } |
| gldelf32ebmip_find_exp_assignment (exp->assign.src); |
| break; |
| |
| case etree_binary: |
| gldelf32ebmip_find_exp_assignment (exp->binary.lhs); |
| gldelf32ebmip_find_exp_assignment (exp->binary.rhs); |
| break; |
| |
| case etree_trinary: |
| gldelf32ebmip_find_exp_assignment (exp->trinary.cond); |
| gldelf32ebmip_find_exp_assignment (exp->trinary.lhs); |
| gldelf32ebmip_find_exp_assignment (exp->trinary.rhs); |
| break; |
| |
| case etree_unary: |
| gldelf32ebmip_find_exp_assignment (exp->unary.child); |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| /* Place an orphan section. We use this to put random SHF_ALLOC |
| sections in the right segment. */ |
| |
| static asection *hold_section; |
| static lang_output_section_statement_type *hold_use; |
| static lang_output_section_statement_type *hold_text; |
| static lang_output_section_statement_type *hold_rodata; |
| static lang_output_section_statement_type *hold_data; |
| static lang_output_section_statement_type *hold_bss; |
| static lang_output_section_statement_type *hold_rel; |
| |
| /*ARGSUSED*/ |
| static boolean |
| gldelf32ebmip_place_orphan (file, s) |
| lang_input_statement_type *file; |
| asection *s; |
| { |
| lang_output_section_statement_type *place; |
| asection *snew, **pps; |
| lang_statement_list_type *old; |
| lang_statement_list_type add; |
| etree_type *address; |
| const char *secname, *ps; |
| lang_output_section_statement_type *os; |
| |
| if ((s->flags & SEC_ALLOC) == 0) |
| return false; |
| |
| /* Look through the script to see where to place this section. */ |
| hold_section = s; |
| hold_use = NULL; |
| lang_for_each_statement (gldelf32ebmip_place_section); |
| |
| if (hold_use != NULL) |
| { |
| /* We have already placed a section with this name. */ |
| wild_doit (&hold_use->children, s, hold_use, file); |
| return true; |
| } |
| |
| secname = bfd_get_section_name (s->owner, s); |
| |
| /* 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 != NULL) |
| { |
| wild_doit (&hold_text->children, s, hold_text, file); |
| return true; |
| } |
| |
| /* Decide which segment the section should go in based on the |
| section name and section flags. */ |
| place = NULL; |
| if ((s->flags & SEC_HAS_CONTENTS) == 0 |
| && hold_bss != NULL) |
| place = hold_bss; |
| else if ((s->flags & SEC_READONLY) == 0 |
| && hold_data != NULL) |
| place = hold_data; |
| else if (strncmp (secname, ".rel", 4) == 0 |
| && hold_rel != NULL) |
| place = hold_rel; |
| else if ((s->flags & SEC_CODE) == 0 |
| && (s->flags & SEC_READONLY) != 0 |
| && hold_rodata != NULL) |
| place = hold_rodata; |
| else if ((s->flags & SEC_READONLY) != 0 |
| && hold_text != NULL) |
| place = hold_text; |
| if (place == NULL) |
| return false; |
| |
| /* Create the section in the output file, and put it in the right |
| place. This shuffling is to make the output file look neater. */ |
| snew = bfd_make_section (output_bfd, secname); |
| if (snew == NULL) |
| einfo (_("%P%F: output format %s cannot represent section called %s\n"), |
| output_bfd->xvec->name, secname); |
| if (place->bfd_section != NULL) |
| { |
| for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next) |
| ; |
| *pps = snew->next; |
| snew->next = place->bfd_section->next; |
| place->bfd_section->next = snew; |
| } |
| |
| /* Start building a list of statements for this section. */ |
| old = stat_ptr; |
| stat_ptr = &add; |
| lang_list_init (stat_ptr); |
| |
| /* 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 = secname; *ps != '\0'; ps++) |
| if (! isalnum (*ps) && *ps != '_') |
| break; |
| if (*ps == '\0' && config.build_constructors) |
| { |
| char *symname; |
| |
| symname = (char *) xmalloc (ps - secname + sizeof "__start_"); |
| sprintf (symname, "__start_%s", secname); |
| lang_add_assignment (exp_assop ('=', symname, |
| exp_unop (ALIGN_K, |
| exp_intop ((bfd_vma) 1 |
| << s->alignment_power)))); |
| } |
| |
| if (! link_info.relocateable) |
| address = NULL; |
| else |
| address = exp_intop ((bfd_vma) 0); |
| |
| lang_enter_output_section_statement (secname, address, 0, |
| (bfd_vma) 0, |
| (etree_type *) NULL, |
| (etree_type *) NULL, |
| (etree_type *) NULL); |
| |
| os = lang_output_section_statement_lookup (secname); |
| wild_doit (&os->children, s, os, file); |
| |
| lang_leave_output_section_statement |
| ((bfd_vma) 0, "*default*", |
| (struct lang_output_section_phdr_list *) NULL, "*default*"); |
| stat_ptr = &add; |
| |
| if (*ps == '\0' && config.build_constructors) |
| { |
| char *symname; |
| |
| symname = (char *) xmalloc (ps - secname + sizeof "__stop_"); |
| sprintf (symname, "__stop_%s", secname); |
| lang_add_assignment (exp_assop ('=', symname, |
| exp_nameop (NAME, "."))); |
| } |
| |
| /* Now stick the new statement list right after PLACE. */ |
| *add.tail = place->header.next; |
| place->header.next = add.head; |
| |
| stat_ptr = old; |
| |
| return true; |
| } |
| |
| static void |
| gldelf32ebmip_place_section (s) |
| lang_statement_union_type *s; |
| { |
| lang_output_section_statement_type *os; |
| |
| if (s->header.type != lang_output_section_statement_enum) |
| return; |
| |
| os = &s->output_section_statement; |
| |
| if (strcmp (os->name, hold_section->name) == 0) |
| hold_use = os; |
| |
| if (strcmp (os->name, ".text") == 0) |
| hold_text = os; |
| else if (strcmp (os->name, ".rodata") == 0) |
| hold_rodata = os; |
| else if (strcmp (os->name, ".data") == 0) |
| hold_data = os; |
| else if (strcmp (os->name, ".bss") == 0) |
| hold_bss = os; |
| else if (hold_rel == NULL |
| && os->bfd_section != NULL |
| && strncmp (os->name, ".rel", 4) == 0) |
| hold_rel = os; |
| } |
| |
| static char * |
| gldelf32ebmip_get_script(isfile) |
| int *isfile; |
| { |
| *isfile = 0; |
| |
| if (link_info.relocateable == true && config.build_constructors == true) |
| return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\ |
| \"elf32-littlemips\")\n\ |
| OUTPUT_ARCH(mips)\n\ |
| ENTRY(_start)\n\ |
| /* For some reason, the Solaris linker makes bad executables\n\ |
| if gld -r is used and the intermediate file has sections starting\n\ |
| at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld\n\ |
| bug. But for now assigning the zero vmas works. */\n\ |
| SECTIONS\n\ |
| {\n\ |
| /* Read-only sections, merged into text segment: */\n\ |
| .interp 0 : { *(.interp) }\n\ |
| .reginfo 0 : { *(.reginfo) }\n\ |
| .dynamic 0 : { *(.dynamic) }\n\ |
| .dynstr 0 : { *(.dynstr) }\n\ |
| .dynsym 0 : { *(.dynsym) }\n\ |
| .hash 0 : { *(.hash) }\n\ |
| .rel.text 0 : { *(.rel.text) }\n\ |
| .rela.text 0 : { *(.rela.text) }\n\ |
| .rel.data 0 : { *(.rel.data) }\n\ |
| .rela.data 0 : { *(.rela.data) }\n\ |
| .rel.rodata 0 : { *(.rel.rodata) }\n\ |
| .rela.rodata 0 : { *(.rela.rodata) }\n\ |
| .rel.got 0 : { *(.rel.got) }\n\ |
| .rela.got 0 : { *(.rela.got) }\n\ |
| .rel.ctors 0 : { *(.rel.ctors) }\n\ |
| .rela.ctors 0 : { *(.rela.ctors) }\n\ |
| .rel.dtors 0 : { *(.rel.dtors) }\n\ |
| .rela.dtors 0 : { *(.rela.dtors) }\n\ |
| .rel.init 0 : { *(.rel.init) }\n\ |
| .rela.init 0 : { *(.rela.init) }\n\ |
| .rel.fini 0 : { *(.rel.fini) }\n\ |
| .rela.fini 0 : { *(.rela.fini) }\n\ |
| .rel.bss 0 : { *(.rel.bss) }\n\ |
| .rela.bss 0 : { *(.rela.bss) }\n\ |
| .rel.plt 0 : { *(.rel.plt) }\n\ |
| .rela.plt 0 : { *(.rela.plt) }\n\ |
| .rodata 0 : { *(.rodata) }\n\ |
| .rodata1 0 : { *(.rodata1) }\n\ |
| .init 0 : { *(.init) } =0\n\ |
| .text 0 :\n\ |
| {\n\ |
| *(.text)\n\ |
| *(.stub)\n\ |
| /* .gnu.warning sections are handled specially by elf32.em. */\n\ |
| *(.gnu.warning)\n\ |
| } =0\n\ |
| .fini 0 : { *(.fini) } =0\n\ |
| /* Adjust the address for the data segment. We want to adjust up to\n\ |
| the same address within the page on the next page up. It would\n\ |
| be more correct to do this:\n\ |
| The current expression does not correctly handle the case of a\n\ |
| text segment ending precisely at the end of a page; it causes the\n\ |
| data segment to skip a page. The above expression does not have\n\ |
| this problem, but it will currently (2/95) cause BFD to allocate\n\ |
| a single segment, combining both text and data, for this case.\n\ |
| This will prevent the text segment from being shared among\n\ |
| multiple executions of the program; I think that is more\n\ |
| important than losing a page of the virtual address space (note\n\ |
| that no actual memory is lost; the page which is skipped can not\n\ |
| be referenced). */\n\ |
| .data 0 :\n\ |
| {\n\ |
| *(.data)\n\ |
| CONSTRUCTORS\n\ |
| }\n\ |
| .data1 0 : { *(.data1) }\n\ |
| .ctors 0 : { *(.ctors) }\n\ |
| .dtors 0 : { *(.dtors) }\n\ |
| .got 0 :\n\ |
| {\n\ |
| *(.got.plt) *(.got)\n\ |
| }\n\ |
| /* We want the small data sections together, so single-instruction offsets\n\ |
| can access them all, and initialized data all before uninitialized, so\n\ |
| we can shorten the on-disk segment size. */\n\ |
| .sdata 0 : { *(.sdata) }\n\ |
| .sbss 0 : { *(.sbss) *(.scommon) }\n\ |
| .bss 0 :\n\ |
| {\n\ |
| *(.dynbss)\n\ |
| *(.bss)\n\ |
| *(COMMON)\n\ |
| }\n\ |
| /* These are needed for ELF backends which have not yet been\n\ |
| converted to the new style linker. */\n\ |
| .stab 0 : { *(.stab) }\n\ |
| .stabstr 0 : { *(.stabstr) }\n\ |
| /* DWARF debug sections.\n\ |
| Symbols in the .debug DWARF section are relative to the beginning of the\n\ |
| section so we begin .debug at 0. It's not clear yet what needs to happen\n\ |
| for the others. */\n\ |
| .debug 0 : { *(.debug) }\n\ |
| .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\ |
| .debug_aranges 0 : { *(.debug_aranges) }\n\ |
| .debug_pubnames 0 : { *(.debug_pubnames) }\n\ |
| .debug_sfnames 0 : { *(.debug_sfnames) }\n\ |
| .line 0 : { *(.line) }\n\ |
| /* These must appear regardless of . */\n\ |
| .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\ |
| .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\ |
| }\n\n"; |
| else if (link_info.relocateable == true) |
| return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\ |
| \"elf32-littlemips\")\n\ |
| OUTPUT_ARCH(mips)\n\ |
| ENTRY(_start)\n\ |
| /* For some reason, the Solaris linker makes bad executables\n\ |
| if gld -r is used and the intermediate file has sections starting\n\ |
| at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld\n\ |
| bug. But for now assigning the zero vmas works. */\n\ |
| SECTIONS\n\ |
| {\n\ |
| /* Read-only sections, merged into text segment: */\n\ |
| .interp 0 : { *(.interp) }\n\ |
| .reginfo 0 : { *(.reginfo) }\n\ |
| .dynamic 0 : { *(.dynamic) }\n\ |
| .dynstr 0 : { *(.dynstr) }\n\ |
| .dynsym 0 : { *(.dynsym) }\n\ |
| .hash 0 : { *(.hash) }\n\ |
| .rel.text 0 : { *(.rel.text) }\n\ |
| .rela.text 0 : { *(.rela.text) }\n\ |
| .rel.data 0 : { *(.rel.data) }\n\ |
| .rela.data 0 : { *(.rela.data) }\n\ |
| .rel.rodata 0 : { *(.rel.rodata) }\n\ |
| .rela.rodata 0 : { *(.rela.rodata) }\n\ |
| .rel.got 0 : { *(.rel.got) }\n\ |
| .rela.got 0 : { *(.rela.got) }\n\ |
| .rel.ctors 0 : { *(.rel.ctors) }\n\ |
| .rela.ctors 0 : { *(.rela.ctors) }\n\ |
| .rel.dtors 0 : { *(.rel.dtors) }\n\ |
| .rela.dtors 0 : { *(.rela.dtors) }\n\ |
| .rel.init 0 : { *(.rel.init) }\n\ |
| .rela.init 0 : { *(.rela.init) }\n\ |
| .rel.fini 0 : { *(.rel.fini) }\n\ |
| .rela.fini 0 : { *(.rela.fini) }\n\ |
| .rel.bss 0 : { *(.rel.bss) }\n\ |
| .rela.bss 0 : { *(.rela.bss) }\n\ |
| .rel.plt 0 : { *(.rel.plt) }\n\ |
| .rela.plt 0 : { *(.rela.plt) }\n\ |
| .rodata 0 : { *(.rodata) }\n\ |
| .rodata1 0 : { *(.rodata1) }\n\ |
| .init 0 : { *(.init) } =0\n\ |
| .text 0 :\n\ |
| {\n\ |
| *(.text)\n\ |
| *(.stub)\n\ |
| /* .gnu.warning sections are handled specially by elf32.em. */\n\ |
| *(.gnu.warning)\n\ |
| } =0\n\ |
| .fini 0 : { *(.fini) } =0\n\ |
| /* Adjust the address for the data segment. We want to adjust up to\n\ |
| the same address within the page on the next page up. It would\n\ |
| be more correct to do this:\n\ |
| The current expression does not correctly handle the case of a\n\ |
| text segment ending precisely at the end of a page; it causes the\n\ |
| data segment to skip a page. The above expression does not have\n\ |
| this problem, but it will currently (2/95) cause BFD to allocate\n\ |
| a single segment, combining both text and data, for this case.\n\ |
| This will prevent the text segment from being shared among\n\ |
| multiple executions of the program; I think that is more\n\ |
| important than losing a page of the virtual address space (note\n\ |
| that no actual memory is lost; the page which is skipped can not\n\ |
| be referenced). */\n\ |
| .data 0 :\n\ |
| {\n\ |
| *(.data)\n\ |
| }\n\ |
| .data1 0 : { *(.data1) }\n\ |
| .ctors 0 : { *(.ctors) }\n\ |
| .dtors 0 : { *(.dtors) }\n\ |
| .got 0 :\n\ |
| {\n\ |
| *(.got.plt) *(.got)\n\ |
| }\n\ |
| /* We want the small data sections together, so single-instruction offsets\n\ |
| can access them all, and initialized data all before uninitialized, so\n\ |
| we can shorten the on-disk segment size. */\n\ |
| .sdata 0 : { *(.sdata) }\n\ |
| .sbss 0 : { *(.sbss) *(.scommon) }\n\ |
| .bss 0 :\n\ |
| {\n\ |
| *(.dynbss)\n\ |
| *(.bss)\n\ |
| *(COMMON)\n\ |
| }\n\ |
| /* These are needed for ELF backends which have not yet been\n\ |
| converted to the new style linker. */\n\ |
| .stab 0 : { *(.stab) }\n\ |
| .stabstr 0 : { *(.stabstr) }\n\ |
| /* DWARF debug sections.\n\ |
| Symbols in the .debug DWARF section are relative to the beginning of the\n\ |
| section so we begin .debug at 0. It's not clear yet what needs to happen\n\ |
| for the others. */\n\ |
| .debug 0 : { *(.debug) }\n\ |
| .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\ |
| .debug_aranges 0 : { *(.debug_aranges) }\n\ |
| .debug_pubnames 0 : { *(.debug_pubnames) }\n\ |
| .debug_sfnames 0 : { *(.debug_sfnames) }\n\ |
| .line 0 : { *(.line) }\n\ |
| /* These must appear regardless of . */\n\ |
| .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\ |
| .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\ |
| }\n\n"; |
| else if (!config.text_read_only) |
| return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\ |
| \"elf32-littlemips\")\n\ |
| OUTPUT_ARCH(mips)\n\ |
| ENTRY(_start)\n\ |
| SEARCH_DIR(/usr/local/mips-elf/lib);\n\ |
| /* Do we need any of these for elf?\n\ |
| __DYNAMIC = 0; */\n\ |
| SECTIONS\n\ |
| {\n\ |
| /* Read-only sections, merged into text segment: */\n\ |
| . = 0x0400000;\n\ |
| .interp : { *(.interp) }\n\ |
| .reginfo : { *(.reginfo) }\n\ |
| .dynamic : { *(.dynamic) }\n\ |
| .dynstr : { *(.dynstr) }\n\ |
| .dynsym : { *(.dynsym) }\n\ |
| .hash : { *(.hash) }\n\ |
| .rel.text : { *(.rel.text) }\n\ |
| .rela.text : { *(.rela.text) }\n\ |
| .rel.data : { *(.rel.data) }\n\ |
| .rela.data : { *(.rela.data) }\n\ |
| .rel.rodata : { *(.rel.rodata) }\n\ |
| .rela.rodata : { *(.rela.rodata) }\n\ |
| .rel.got : { *(.rel.got) }\n\ |
| .rela.got : { *(.rela.got) }\n\ |
| .rel.ctors : { *(.rel.ctors) }\n\ |
| .rela.ctors : { *(.rela.ctors) }\n\ |
| .rel.dtors : { *(.rel.dtors) }\n\ |
| .rela.dtors : { *(.rela.dtors) }\n\ |
| .rel.init : { *(.rel.init) }\n\ |
| .rela.init : { *(.rela.init) }\n\ |
| .rel.fini : { *(.rel.fini) }\n\ |
| .rela.fini : { *(.rela.fini) }\n\ |
| .rel.bss : { *(.rel.bss) }\n\ |
| .rela.bss : { *(.rela.bss) }\n\ |
| .rel.plt : { *(.rel.plt) }\n\ |
| .rela.plt : { *(.rela.plt) }\n\ |
| .rodata : { *(.rodata) }\n\ |
| .rodata1 : { *(.rodata1) }\n\ |
| .init : { *(.init) } =0\n\ |
| .text :\n\ |
| {\n\ |
| _ftext = . ;\n\ |
| *(.text)\n\ |
| *(.stub)\n\ |
| /* .gnu.warning sections are handled specially by elf32.em. */\n\ |
| *(.gnu.warning)\n\ |
| } =0\n\ |
| _etext = .;\n\ |
| PROVIDE (etext = .);\n\ |
| .fini : { *(.fini) } =0\n\ |
| /* Adjust the address for the data segment. We want to adjust up to\n\ |
| the same address within the page on the next page up. It would\n\ |
| be more correct to do this:\n\ |
| . = .;\n\ |
| The current expression does not correctly handle the case of a\n\ |
| text segment ending precisely at the end of a page; it causes the\n\ |
| data segment to skip a page. The above expression does not have\n\ |
| this problem, but it will currently (2/95) cause BFD to allocate\n\ |
| a single segment, combining both text and data, for this case.\n\ |
| This will prevent the text segment from being shared among\n\ |
| multiple executions of the program; I think that is more\n\ |
| important than losing a page of the virtual address space (note\n\ |
| that no actual memory is lost; the page which is skipped can not\n\ |
| be referenced). */\n\ |
| . += . - 0x0400000;\n\ |
| .data :\n\ |
| {\n\ |
| _fdata = . ;\n\ |
| *(.data)\n\ |
| CONSTRUCTORS\n\ |
| }\n\ |
| .data1 : { *(.data1) }\n\ |
| .ctors : { *(.ctors) }\n\ |
| .dtors : { *(.dtors) }\n\ |
| _gp = ALIGN(16) + 0x7ff0;\n\ |
| .got :\n\ |
| {\n\ |
| *(.got.plt) *(.got)\n\ |
| }\n\ |
| /* We want the small data sections together, so single-instruction offsets\n\ |
| can access them all, and initialized data all before uninitialized, so\n\ |
| we can shorten the on-disk segment size. */\n\ |
| .sdata : { *(.sdata) }\n\ |
| .lit8 : { *(.lit8) }\n\ |
| .lit4 : { *(.lit4) }\n\ |
| _edata = .;\n\ |
| PROVIDE (edata = .);\n\ |
| __bss_start = .;\n\ |
| _fbss = .;\n\ |
| .sbss : { *(.sbss) *(.scommon) }\n\ |
| .bss :\n\ |
| {\n\ |
| *(.dynbss)\n\ |
| *(.bss)\n\ |
| *(COMMON)\n\ |
| }\n\ |
| _end = . ;\n\ |
| PROVIDE (end = .);\n\ |
| /* These are needed for ELF backends which have not yet been\n\ |
| converted to the new style linker. */\n\ |
| .stab 0 : { *(.stab) }\n\ |
| .stabstr 0 : { *(.stabstr) }\n\ |
| /* DWARF debug sections.\n\ |
| Symbols in the .debug DWARF section are relative to the beginning of the\n\ |
| section so we begin .debug at 0. It's not clear yet what needs to happen\n\ |
| for the others. */\n\ |
| .debug 0 : { *(.debug) }\n\ |
| .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\ |
| .debug_aranges 0 : { *(.debug_aranges) }\n\ |
| .debug_pubnames 0 : { *(.debug_pubnames) }\n\ |
| .debug_sfnames 0 : { *(.debug_sfnames) }\n\ |
| .line 0 : { *(.line) }\n\ |
| /* These must appear regardless of . */\n\ |
| .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\ |
| .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\ |
| }\n\n"; |
| else if (!config.magic_demand_paged) |
| return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\ |
| \"elf32-littlemips\")\n\ |
| OUTPUT_ARCH(mips)\n\ |
| ENTRY(_start)\n\ |
| SEARCH_DIR(/usr/local/mips-elf/lib);\n\ |
| /* Do we need any of these for elf?\n\ |
| __DYNAMIC = 0; */\n\ |
| SECTIONS\n\ |
| {\n\ |
| /* Read-only sections, merged into text segment: */\n\ |
| . = 0x0400000;\n\ |
| .interp : { *(.interp) }\n\ |
| .reginfo : { *(.reginfo) }\n\ |
| .dynamic : { *(.dynamic) }\n\ |
| .dynstr : { *(.dynstr) }\n\ |
| .dynsym : { *(.dynsym) }\n\ |
| .hash : { *(.hash) }\n\ |
| .rel.text : { *(.rel.text) }\n\ |
| .rela.text : { *(.rela.text) }\n\ |
| .rel.data : { *(.rel.data) }\n\ |
| .rela.data : { *(.rela.data) }\n\ |
| .rel.rodata : { *(.rel.rodata) }\n\ |
| .rela.rodata : { *(.rela.rodata) }\n\ |
| .rel.got : { *(.rel.got) }\n\ |
| .rela.got : { *(.rela.got) }\n\ |
| .rel.ctors : { *(.rel.ctors) }\n\ |
| .rela.ctors : { *(.rela.ctors) }\n\ |
| .rel.dtors : { *(.rel.dtors) }\n\ |
| .rela.dtors : { *(.rela.dtors) }\n\ |
| .rel.init : { *(.rel.init) }\n\ |
| .rela.init : { *(.rela.init) }\n\ |
| .rel.fini : { *(.rel.fini) }\n\ |
| .rela.fini : { *(.rela.fini) }\n\ |
| .rel.bss : { *(.rel.bss) }\n\ |
| .rela.bss : { *(.rela.bss) }\n\ |
| .rel.plt : { *(.rel.plt) }\n\ |
| .rela.plt : { *(.rela.plt) }\n\ |
| .rodata : { *(.rodata) }\n\ |
| .rodata1 : { *(.rodata1) }\n\ |
| .init : { *(.init) } =0\n\ |
| .text :\n\ |
| {\n\ |
| _ftext = . ;\n\ |
| *(.text)\n\ |
| *(.stub)\n\ |
| /* .gnu.warning sections are handled specially by elf32.em. */\n\ |
| *(.gnu.warning)\n\ |
| } =0\n\ |
| _etext = .;\n\ |
| PROVIDE (etext = .);\n\ |
| .fini : { *(.fini) } =0\n\ |
| /* Adjust the address for the data segment. We want to adjust up to\n\ |
| the same address within the page on the next page up. It would\n\ |
| be more correct to do this:\n\ |
| . = 0x10000000;\n\ |
| The current expression does not correctly handle the case of a\n\ |
| text segment ending precisely at the end of a page; it causes the\n\ |
| data segment to skip a page. The above expression does not have\n\ |
| this problem, but it will currently (2/95) cause BFD to allocate\n\ |
| a single segment, combining both text and data, for this case.\n\ |
| This will prevent the text segment from being shared among\n\ |
| multiple executions of the program; I think that is more\n\ |
| important than losing a page of the virtual address space (note\n\ |
| that no actual memory is lost; the page which is skipped can not\n\ |
| be referenced). */\n\ |
| . += 0x10000000 - 0x0400000;\n\ |
| .data :\n\ |
| {\n\ |
| _fdata = . ;\n\ |
| *(.data)\n\ |
| CONSTRUCTORS\n\ |
| }\n\ |
| .data1 : { *(.data1) }\n\ |
| .ctors : { *(.ctors) }\n\ |
| .dtors : { *(.dtors) }\n\ |
| _gp = ALIGN(16) + 0x7ff0;\n\ |
| .got :\n\ |
| {\n\ |
| *(.got.plt) *(.got)\n\ |
| }\n\ |
| /* We want the small data sections together, so single-instruction offsets\n\ |
| can access them all, and initialized data all before uninitialized, so\n\ |
| we can shorten the on-disk segment size. */\n\ |
| .sdata : { *(.sdata) }\n\ |
| .lit8 : { *(.lit8) }\n\ |
| .lit4 : { *(.lit4) }\n\ |
| _edata = .;\n\ |
| PROVIDE (edata = .);\n\ |
| __bss_start = .;\n\ |
| _fbss = .;\n\ |
| .sbss : { *(.sbss) *(.scommon) }\n\ |
| .bss :\n\ |
| {\n\ |
| *(.dynbss)\n\ |
| *(.bss)\n\ |
| *(COMMON)\n\ |
| }\n\ |
| _end = . ;\n\ |
| PROVIDE (end = .);\n\ |
| /* These are needed for ELF backends which have not yet been\n\ |
| converted to the new style linker. */\n\ |
| .stab 0 : { *(.stab) }\n\ |
| .stabstr 0 : { *(.stabstr) }\n\ |
| /* DWARF debug sections.\n\ |
| Symbols in the .debug DWARF section are relative to the beginning of the\n\ |
| section so we begin .debug at 0. It's not clear yet what needs to happen\n\ |
| for the others. */\n\ |
| .debug 0 : { *(.debug) }\n\ |
| .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\ |
| .debug_aranges 0 : { *(.debug_aranges) }\n\ |
| .debug_pubnames 0 : { *(.debug_pubnames) }\n\ |
| .debug_sfnames 0 : { *(.debug_sfnames) }\n\ |
| .line 0 : { *(.line) }\n\ |
| /* These must appear regardless of . */\n\ |
| .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\ |
| .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\ |
| }\n\n"; |
| else if (link_info.shared) |
| return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\ |
| \"elf32-littlemips\")\n\ |
| OUTPUT_ARCH(mips)\n\ |
| ENTRY(_start)\n\ |
| SEARCH_DIR(/usr/local/mips-elf/lib);\n\ |
| /* Do we need any of these for elf?\n\ |
| __DYNAMIC = 0; */\n\ |
| SECTIONS\n\ |
| {\n\ |
| /* Read-only sections, merged into text segment: */\n\ |
| . = 0x5ffe0000 + SIZEOF_HEADERS;\n\ |
| .reginfo : { *(.reginfo) }\n\ |
| .dynamic : { *(.dynamic) }\n\ |
| .dynstr : { *(.dynstr) }\n\ |
| .dynsym : { *(.dynsym) }\n\ |
| .hash : { *(.hash) }\n\ |
| .rel.text : { *(.rel.text) }\n\ |
| .rela.text : { *(.rela.text) }\n\ |
| .rel.data : { *(.rel.data) }\n\ |
| .rela.data : { *(.rela.data) }\n\ |
| .rel.rodata : { *(.rel.rodata) }\n\ |
| .rela.rodata : { *(.rela.rodata) }\n\ |
| .rel.got : { *(.rel.got) }\n\ |
| .rela.got : { *(.rela.got) }\n\ |
| .rel.ctors : { *(.rel.ctors) }\n\ |
| .rela.ctors : { *(.rela.ctors) }\n\ |
| .rel.dtors : { *(.rel.dtors) }\n\ |
| .rela.dtors : { *(.rela.dtors) }\n\ |
| .rel.init : { *(.rel.init) }\n\ |
| .rela.init : { *(.rela.init) }\n\ |
| .rel.fini : { *(.rel.fini) }\n\ |
| .rela.fini : { *(.rela.fini) }\n\ |
| .rel.bss : { *(.rel.bss) }\n\ |
| .rela.bss : { *(.rela.bss) }\n\ |
| .rel.plt : { *(.rel.plt) }\n\ |
| .rela.plt : { *(.rela.plt) }\n\ |
| .rodata : { *(.rodata) }\n\ |
| .rodata1 : { *(.rodata1) }\n\ |
| .init : { *(.init) } =0\n\ |
| .text :\n\ |
| {\n\ |
| *(.text)\n\ |
| *(.stub)\n\ |
| /* .gnu.warning sections are handled specially by elf32.em. */\n\ |
| *(.gnu.warning)\n\ |
| } =0\n\ |
| .fini : { *(.fini) } =0\n\ |
| /* Adjust the address for the data segment. We want to adjust up to\n\ |
| the same address within the page on the next page up. It would\n\ |
| be more correct to do this:\n\ |
| . = 0x10000000;\n\ |
| The current expression does not correctly handle the case of a\n\ |
| text segment ending precisely at the end of a page; it causes the\n\ |
| data segment to skip a page. The above expression does not have\n\ |
| this problem, but it will currently (2/95) cause BFD to allocate\n\ |
| a single segment, combining both text and data, for this case.\n\ |
| This will prevent the text segment from being shared among\n\ |
| multiple executions of the program; I think that is more\n\ |
| important than losing a page of the virtual address space (note\n\ |
| that no actual memory is lost; the page which is skipped can not\n\ |
| be referenced). */\n\ |
| . += 0x10000;\n\ |
| .data :\n\ |
| {\n\ |
| *(.data)\n\ |
| CONSTRUCTORS\n\ |
| }\n\ |
| .data1 : { *(.data1) }\n\ |
| .ctors : { *(.ctors) }\n\ |
| .dtors : { *(.dtors) }\n\ |
| _gp = ALIGN(16) + 0x7ff0;\n\ |
| .got :\n\ |
| {\n\ |
| *(.got.plt) *(.got)\n\ |
| }\n\ |
| /* We want the small data sections together, so single-instruction offsets\n\ |
| can access them all, and initialized data all before uninitialized, so\n\ |
| we can shorten the on-disk segment size. */\n\ |
| .sdata : { *(.sdata) }\n\ |
| .lit8 : { *(.lit8) }\n\ |
| .lit4 : { *(.lit4) }\n\ |
| .sbss : { *(.sbss) *(.scommon) }\n\ |
| .bss :\n\ |
| {\n\ |
| *(.dynbss)\n\ |
| *(.bss)\n\ |
| *(COMMON)\n\ |
| }\n\ |
| /* These are needed for ELF backends which have not yet been\n\ |
| converted to the new style linker. */\n\ |
| .stab 0 : { *(.stab) }\n\ |
| .stabstr 0 : { *(.stabstr) }\n\ |
| /* DWARF debug sections.\n\ |
| Symbols in the .debug DWARF section are relative to the beginning of the\n\ |
| section so we begin .debug at 0. It's not clear yet what needs to happen\n\ |
| for the others. */\n\ |
| .debug 0 : { *(.debug) }\n\ |
| .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\ |
| .debug_aranges 0 : { *(.debug_aranges) }\n\ |
| .debug_pubnames 0 : { *(.debug_pubnames) }\n\ |
| .debug_sfnames 0 : { *(.debug_sfnames) }\n\ |
| .line 0 : { *(.line) }\n\ |
| /* These must appear regardless of . */\n\ |
| .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\ |
| .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\ |
| }\n\n"; |
| else |
| return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\ |
| \"elf32-littlemips\")\n\ |
| OUTPUT_ARCH(mips)\n\ |
| ENTRY(_start)\n\ |
| SEARCH_DIR(/usr/local/mips-elf/lib);\n\ |
| /* Do we need any of these for elf?\n\ |
| __DYNAMIC = 0; */\n\ |
| SECTIONS\n\ |
| {\n\ |
| /* Read-only sections, merged into text segment: */\n\ |
| . = 0x0400000;\n\ |
| .interp : { *(.interp) }\n\ |
| .reginfo : { *(.reginfo) }\n\ |
| .dynamic : { *(.dynamic) }\n\ |
| .dynstr : { *(.dynstr) }\n\ |
| .dynsym : { *(.dynsym) }\n\ |
| .hash : { *(.hash) }\n\ |
| .rel.text : { *(.rel.text) }\n\ |
| .rela.text : { *(.rela.text) }\n\ |
| .rel.data : { *(.rel.data) }\n\ |
| .rela.data : { *(.rela.data) }\n\ |
| .rel.rodata : { *(.rel.rodata) }\n\ |
| .rela.rodata : { *(.rela.rodata) }\n\ |
| .rel.got : { *(.rel.got) }\n\ |
| .rela.got : { *(.rela.got) }\n\ |
| .rel.ctors : { *(.rel.ctors) }\n\ |
| .rela.ctors : { *(.rela.ctors) }\n\ |
| .rel.dtors : { *(.rel.dtors) }\n\ |
| .rela.dtors : { *(.rela.dtors) }\n\ |
| .rel.init : { *(.rel.init) }\n\ |
| .rela.init : { *(.rela.init) }\n\ |
| .rel.fini : { *(.rel.fini) }\n\ |
| .rela.fini : { *(.rela.fini) }\n\ |
| .rel.bss : { *(.rel.bss) }\n\ |
| .rela.bss : { *(.rela.bss) }\n\ |
| .rel.plt : { *(.rel.plt) }\n\ |
| .rela.plt : { *(.rela.plt) }\n\ |
| .rodata : { *(.rodata) }\n\ |
| .rodata1 : { *(.rodata1) }\n\ |
| .init : { *(.init) } =0\n\ |
| .text :\n\ |
| {\n\ |
| _ftext = . ;\n\ |
| *(.text)\n\ |
| *(.stub)\n\ |
| /* .gnu.warning sections are handled specially by elf32.em. */\n\ |
| *(.gnu.warning)\n\ |
| } =0\n\ |
| _etext = .;\n\ |
| PROVIDE (etext = .);\n\ |
| .fini : { *(.fini) } =0\n\ |
| /* Adjust the address for the data segment. We want to adjust up to\n\ |
| the same address within the page on the next page up. It would\n\ |
| be more correct to do this:\n\ |
| . = 0x10000000;\n\ |
| The current expression does not correctly handle the case of a\n\ |
| text segment ending precisely at the end of a page; it causes the\n\ |
| data segment to skip a page. The above expression does not have\n\ |
| this problem, but it will currently (2/95) cause BFD to allocate\n\ |
| a single segment, combining both text and data, for this case.\n\ |
| This will prevent the text segment from being shared among\n\ |
| multiple executions of the program; I think that is more\n\ |
| important than losing a page of the virtual address space (note\n\ |
| that no actual memory is lost; the page which is skipped can not\n\ |
| be referenced). */\n\ |
| . += 0x10000000 - 0x0400000;\n\ |
| .data :\n\ |
| {\n\ |
| _fdata = . ;\n\ |
| *(.data)\n\ |
| CONSTRUCTORS\n\ |
| }\n\ |
| .data1 : { *(.data1) }\n\ |
| .ctors : { *(.ctors) }\n\ |
| .dtors : { *(.dtors) }\n\ |
| _gp = ALIGN(16) + 0x7ff0;\n\ |
| .got :\n\ |
| {\n\ |
| *(.got.plt) *(.got)\n\ |
| }\n\ |
| /* We want the small data sections together, so single-instruction offsets\n\ |
| can access them all, and initialized data all before uninitialized, so\n\ |
| we can shorten the on-disk segment size. */\n\ |
| .sdata : { *(.sdata) }\n\ |
| .lit8 : { *(.lit8) }\n\ |
| .lit4 : { *(.lit4) }\n\ |
| _edata = .;\n\ |
| PROVIDE (edata = .);\n\ |
| __bss_start = .;\n\ |
| _fbss = .;\n\ |
| .sbss : { *(.sbss) *(.scommon) }\n\ |
| .bss :\n\ |
| {\n\ |
| *(.dynbss)\n\ |
| *(.bss)\n\ |
| *(COMMON)\n\ |
| }\n\ |
| _end = . ;\n\ |
| PROVIDE (end = .);\n\ |
| /* These are needed for ELF backends which have not yet been\n\ |
| converted to the new style linker. */\n\ |
| .stab 0 : { *(.stab) }\n\ |
| .stabstr 0 : { *(.stabstr) }\n\ |
| /* DWARF debug sections.\n\ |
| Symbols in the .debug DWARF section are relative to the beginning of the\n\ |
| section so we begin .debug at 0. It's not clear yet what needs to happen\n\ |
| for the others. */\n\ |
| .debug 0 : { *(.debug) }\n\ |
| .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\ |
| .debug_aranges 0 : { *(.debug_aranges) }\n\ |
| .debug_pubnames 0 : { *(.debug_pubnames) }\n\ |
| .debug_sfnames 0 : { *(.debug_sfnames) }\n\ |
| .line 0 : { *(.line) }\n\ |
| /* These must appear regardless of . */\n\ |
| .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\ |
| .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\ |
| }\n\n"; |
| } |
| |
| struct ld_emulation_xfer_struct ld_elf32ebmip_emulation = |
| { |
| gldelf32ebmip_before_parse, |
| syslib_default, |
| hll_default, |
| after_parse_default, |
| gldelf32ebmip_after_open, |
| after_allocation_default, |
| set_output_arch_default, |
| ldemul_default_target, |
| gldelf32ebmip_before_allocation, |
| gldelf32ebmip_get_script, |
| "elf32ebmip", |
| "elf32-bigmips", |
| NULL, |
| NULL, |
| gldelf32ebmip_open_dynamic_archive, |
| gldelf32ebmip_place_orphan |
| }; |
