From: Ian Lance Taylor Date: Thu, 3 Apr 1997 05:50:32 +0000 (+0000) Subject: * mpw-idtmips.c: Rename from mpw-emipsidt.c. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c6cfcb7f7d00524abc9073fb043ac839324e9fb2;p=binutils-gdb.git * mpw-idtmips.c: Rename from mpw-emipsidt.c. * mpw-elfmips.c: Rename from mpw-emipself.c. * mpw-config.in: Update accordingly. --- diff --git a/ld/.Sanitize b/ld/.Sanitize index 443020ea188..1ed601f80e7 100644 --- a/ld/.Sanitize +++ b/ld/.Sanitize @@ -71,8 +71,8 @@ ldwrite.h lexsup.c mac-ld.r mpw-config.in -mpw-emipself.c -mpw-emipsidt.c +mpw-elfmips.c +mpw-idtmips.c mpw-eppcmac.c mpw-esh.c mpw-make.sed diff --git a/ld/ChangeLog b/ld/ChangeLog index 5bdd0be782b..c493fd29537 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,5 +1,9 @@ Wed Apr 2 11:55:27 1997 Ian Lance Taylor + * mpw-idtmips.c: Rename from mpw-emipsidt.c. + * mpw-elfmips.c: Rename from mpw-emipself.c. + * mpw-config.in: Update accordingly. + * ldlang.c (lang_process): Call lang_check immediately after opening the input files, rather than at the end of the link. diff --git a/ld/mpw-config.in b/ld/mpw-config.in index 34f9e26e116..b2542cc612c 100644 --- a/ld/mpw-config.in +++ b/ld/mpw-config.in @@ -17,12 +17,12 @@ Else If "{target_canonical}" =~ /i386-\Option-x-go32/ Else If "{target_canonical}" =~ /mips-\Option-x-ecoff/ Set emulname mipsidt - forward-include "{srcdir}"mpw-mipsidt.c emipsidt.c + forward-include "{srcdir}"mpw-idtmips.c emipsidt.c Set emulation_ofiles "{o}"emipsidt.c.o Else If "{target_canonical}" =~ /mips-\Option-x-\Option-x/ Set emulname elf32ebmip - forward-include "{srcdir}"mpw-mipself.c eelf32ebmip.c + forward-include "{srcdir}"mpw-elfmips.c eelf32ebmip.c Set emulation_ofiles "{o}"eelf32ebmip.c.o Else If "{target_canonical}" =~ /sh-\Option-x-hms/ diff --git a/ld/mpw-elfmips.c b/ld/mpw-elfmips.c new file mode 100644 index 00000000000..ec88bb7493e --- /dev/null +++ b/ld/mpw-elfmips.c @@ -0,0 +1,1470 @@ +/* This file is is generated by a shell script. DO NOT EDIT! */ + +/* 32 bit ELF emulation code for elf32ebmip + Copyright (C) 1991, 93, 94, 95, 1996 Free Software Foundation, Inc. + Written by Steve Chamberlain + ELF support by Ian Lance Taylor + +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 + +#include "bfdlink.h" + +#include "ld.h" +#include "ldmain.h" +#include "ldemul.h" +#include "ldfile.h" +#include "ldmisc.h" +#include "ldexp.h" +#include "ldlang.h" +#include "ldgram.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, + &link_info, + &sinterp)) + 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; + } + } + +#if defined (TARGET_IS_elf32bmip) || defined (TARGET_IS_elf32lmip) + /* For MIPS ELF the .reginfo section requires special handling. + Each input section is 24 bytes, and the final output section must + also be 24 bytes. We handle this by clobbering all but the first + input section size to 0. The .reginfo section is handled + specially by the backend code anyhow. */ + { + boolean found = false; + LANG_FOR_EACH_INPUT_STATEMENT (is) + { + asection *s; + + if (is->just_syms_flag) + continue; + + s = bfd_get_section_by_name (is->the_bfd, ".reginfo"); + if (s == NULL) + continue; + + if (! found) + { + found = true; + continue; + } + + s->_raw_size = 0; + s->_cooked_size = 0; + } + } +#endif +} + +/* 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: + 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_provide ? 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*"); + 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 +}; diff --git a/ld/mpw-emipself.c b/ld/mpw-emipself.c deleted file mode 100644 index ec88bb7493e..00000000000 --- a/ld/mpw-emipself.c +++ /dev/null @@ -1,1470 +0,0 @@ -/* This file is is generated by a shell script. DO NOT EDIT! */ - -/* 32 bit ELF emulation code for elf32ebmip - Copyright (C) 1991, 93, 94, 95, 1996 Free Software Foundation, Inc. - Written by Steve Chamberlain - ELF support by Ian Lance Taylor - -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 - -#include "bfdlink.h" - -#include "ld.h" -#include "ldmain.h" -#include "ldemul.h" -#include "ldfile.h" -#include "ldmisc.h" -#include "ldexp.h" -#include "ldlang.h" -#include "ldgram.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, - &link_info, - &sinterp)) - 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; - } - } - -#if defined (TARGET_IS_elf32bmip) || defined (TARGET_IS_elf32lmip) - /* For MIPS ELF the .reginfo section requires special handling. - Each input section is 24 bytes, and the final output section must - also be 24 bytes. We handle this by clobbering all but the first - input section size to 0. The .reginfo section is handled - specially by the backend code anyhow. */ - { - boolean found = false; - LANG_FOR_EACH_INPUT_STATEMENT (is) - { - asection *s; - - if (is->just_syms_flag) - continue; - - s = bfd_get_section_by_name (is->the_bfd, ".reginfo"); - if (s == NULL) - continue; - - if (! found) - { - found = true; - continue; - } - - s->_raw_size = 0; - s->_cooked_size = 0; - } - } -#endif -} - -/* 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: - 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_provide ? 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*"); - 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 -}; diff --git a/ld/mpw-emipsidt.c b/ld/mpw-emipsidt.c deleted file mode 100644 index 554f9a8c50c..00000000000 --- a/ld/mpw-emipsidt.c +++ /dev/null @@ -1,430 +0,0 @@ -/* This file is is generated by a shell script. DO NOT EDIT! */ - -/* Handle embedded relocs for MIPS. - Copyright 1994 Free Software Foundation, Inc. - Written by Ian Lance Taylor based on generic.em. - -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_mipsidt - -#include "libiberty.h" -#include "bfd.h" -#include "sysdep.h" -#include "bfdlink.h" - -#include "ld.h" -#include "ldmain.h" -#include "ldemul.h" -#include "ldfile.h" -#include "ldmisc.h" - -static void gldmipsidt_before_parse PARAMS ((void)); -static void gldmipsidt_after_open PARAMS ((void)); -static void check_sections PARAMS ((bfd *, asection *, PTR)); -static void gldmipsidt_after_allocation PARAMS ((void)); -static char *gldmipsidt_get_script PARAMS ((int *isfile)); - -static void -gldmipsidt_before_parse() -{ -#ifndef TARGET_ /* I.e., if not generic. */ - ldfile_output_architecture = bfd_arch_mips; -#endif /* not TARGET_ */ -} - -/* This function is run after all the input files have been opened. - We create a .rel.sdata section for each input file with a non zero - .sdata section. The BFD backend will fill in these sections with - magic numbers which can be used to relocate the data section at run - time. This will only do the right thing if all the input files - have been compiled using -membedded-pic. */ - -static void -gldmipsidt_after_open () -{ - bfd *abfd; - - if (! command_line.embedded_relocs - || link_info.relocateable) - return; - - for (abfd = link_info.input_bfds; abfd != NULL; abfd = abfd->link_next) - { - asection *datasec; - - datasec = bfd_get_section_by_name (abfd, ".sdata"); - - /* Note that we assume that the reloc_count field has already - been set up. We could call bfd_get_reloc_upper_bound, but - that returns the size of a memory buffer rather than a reloc - count. We do not want to call bfd_canonicalize_reloc, - because although it would always work it would force us to - read in the relocs into BFD canonical form, which would waste - a significant amount of time and memory. */ - if (datasec != NULL && datasec->reloc_count > 0) - { - asection *relsec; - - relsec = bfd_make_section (abfd, ".rel.sdata"); - if (relsec == NULL - || ! bfd_set_section_flags (abfd, relsec, - (SEC_ALLOC - | SEC_LOAD - | SEC_HAS_CONTENTS - | SEC_IN_MEMORY)) - || ! bfd_set_section_alignment (abfd, relsec, 2) - || ! bfd_set_section_size (abfd, relsec, - datasec->reloc_count * 4)) - einfo ("%F%B: can not create .rel.sdata section: %E"); - } - - /* Double check that all other data sections are empty, as is - required for embedded PIC code. */ - bfd_map_over_sections (abfd, check_sections, (PTR) datasec); - } -} - -/* Check that of the data sections, only the .sdata section has - relocs. This is called via bfd_map_over_sections. */ - -static void -check_sections (abfd, sec, sdatasec) - bfd *abfd; - asection *sec; - PTR sdatasec; -{ - if ((bfd_get_section_flags (abfd, sec) & SEC_CODE) == 0 - && sec != (asection *) sdatasec - && sec->reloc_count != 0) - einfo ("%F%X: section %s has relocs; can not use --embedded-relocs", - abfd, bfd_get_section_name (abfd, sec)); -} - -/* This function is called after the section sizes and offsets have - been set. If we are generating embedded relocs, it calls a special - BFD backend routine to do the work. */ - -static void -gldmipsidt_after_allocation () -{ - bfd *abfd; - - if (! command_line.embedded_relocs - || link_info.relocateable) - return; - - for (abfd = link_info.input_bfds; abfd != NULL; abfd = abfd->link_next) - { - asection *datasec, *relsec; - char *errmsg; - - datasec = bfd_get_section_by_name (abfd, ".sdata"); - - if (datasec == NULL || datasec->reloc_count == 0) - continue; - - relsec = bfd_get_section_by_name (abfd, ".rel.sdata"); - ASSERT (relsec != NULL); - - if (! bfd_mips_ecoff_create_embedded_relocs (abfd, &link_info, - datasec, relsec, - &errmsg)) - { - if (errmsg == NULL) - einfo ("%B%X: can not create runtime reloc information: %E", - abfd); - else - einfo ("%X%B: can not create runtime reloc information: %s", - abfd, errmsg); - } - } -} - -static char * -gldmipsidt_get_script(isfile) - int *isfile; -{ - *isfile = 0; - - if (link_info.relocateable == true && config.build_constructors == true) - return -concat( -"OUTPUT_FORMAT(\"ecoff-bigmips\", \"ecoff-bigmips\",\n\ - \"ecoff-littlemips\")\n\ - SEARCH_DIR(/usr/local/mips-idt-ecoff/lib);\n\ -ENTRY(start)\n\ -SECTIONS\n\ -{\n\ - .text : {\n\ - ;\n\ - *(.init)\n\ - ;\n\ - *(.text)\n\ - *(.rel.sdata)\n\ - *(.fini)\n\ - ;\n\ - ;\n\ - }\n\ - "," .rdata : {\n\ - *(.rdata)\n\ - }\n\ - .data : {\n\ - *(.data)\n\ - CONSTRUCTORS\n\ - }\n\ - .lit8 : {\n\ - *(.lit8)\n\ - }\n\ - .lit4 : {\n\ - *(.lit4)\n\ - }\n\ - "," .sdata : {\n\ - *(.sdata)\n\ - }\n\ - .sbss : {\n\ - *(.sbss)\n\ - *(.scommon)\n\ - }\n\ - .bss : {\n\ - *(.bss)\n\ - *(COMMON)\n\ - }\n\ -}\n\n", NULL) - ; else if (link_info.relocateable == true) return -"OUTPUT_FORMAT(\"ecoff-bigmips\", \"ecoff-bigmips\",\n\ - \"ecoff-littlemips\")\n\ - SEARCH_DIR(/usr/local/mips-idt-ecoff/lib);\n\ -ENTRY(start)\n\ -SECTIONS\n\ -{\n\ - .text : {\n\ - ;\n\ - *(.init)\n\ - ;\n\ - *(.text)\n\ - *(.rel.sdata)\n\ - *(.fini)\n\ - ;\n\ - ;\n\ - }\n\ - .rdata : {\n\ - *(.rdata)\n\ - }\n\ - .data : {\n\ - *(.data)\n\ - }\n\ - .lit8 : {\n\ - *(.lit8)\n\ - }\n\ - .lit4 : {\n\ - *(.lit4)\n\ - }\n\ - .sdata : {\n\ - *(.sdata)\n\ - }\n\ - .sbss : {\n\ - *(.sbss)\n\ - *(.scommon)\n\ - }\n\ - .bss : {\n\ - *(.bss)\n\ - *(COMMON)\n\ - }\n\ -}\n\n" - ; else if (!config.text_read_only) return -concat( -"OUTPUT_FORMAT(\"ecoff-bigmips\", \"ecoff-bigmips\",\n\ - \"ecoff-littlemips\")\n\ - SEARCH_DIR(/usr/local/mips-idt-ecoff/lib);\n\ -ENTRY(start)\n\ -SECTIONS\n\ -{\n\ - . = 0xa0012000;\n\ - .text : {\n\ - _ftext = . ;\n\ - *(.init)\n\ - eprol = .;\n\ - *(.text)\n\ - PROVIDE (__runtime_reloc_start = .);\n\ - *(.rel.sdata)\n\ - PROVIDE (__runtime_reloc_stop = .);\n\ - *(.fini)\n\ - etext = .;\n\ - _etext = .;\n\ -"," }\n\ - . = .;\n\ - .rdata : {\n\ - *(.rdata)\n\ - }\n\ - _fdata = ALIGN(16);\n\ - .data : {\n\ - *(.data)\n\ - CONSTRUCTORS\n\ - }\n\ - _gp = ALIGN(16) + 0x8000;\n\ - .lit8 : {\n\ - *(.lit8)\n\ - }\n\ - .lit4 : {\n\ - *(.lit4)\n\ - }\n\ - .sdata : {\n\ - *(.sdata)\n\ - }\n\ -"," edata = .;\n\ - _edata = .;\n\ - _fbss = .;\n\ - .sbss : {\n\ - *(.sbss)\n\ - *(.scommon)\n\ - }\n\ - .bss : {\n\ - *(.bss)\n\ - *(COMMON)\n\ - }\n\ - end = .;\n\ - _end = .;\n\ -}\n\n" -, NULL) - ; else if (!config.magic_demand_paged) return -concat ( -"OUTPUT_FORMAT(\"ecoff-bigmips\", \"ecoff-bigmips\",\n\ - \"ecoff-littlemips\")\n\ - SEARCH_DIR(/usr/local/mips-idt-ecoff/lib);\n\ -ENTRY(start)\n\ -SECTIONS\n\ -{\n\ - . = 0xa0012000;\n\ - .text : {\n\ - _ftext = . ;\n\ - *(.init)\n\ - eprol = .;\n\ - *(.text)\n\ - PROVIDE (__runtime_reloc_start = .);\n\ - *(.rel.sdata)\n\ - PROVIDE (__runtime_reloc_stop = .);\n\ - *(.fini)\n\ - etext = .;\n\ - _etext = .;\n\ - "," }\n\ - . = .;\n\ - .rdata : {\n\ - *(.rdata)\n\ - }\n\ - _fdata = ALIGN(16);\n\ - .data : {\n\ - *(.data)\n\ - CONSTRUCTORS\n\ - }\n\ - _gp = ALIGN(16) + 0x8000;\n\ - .lit8 : {\n\ - *(.lit8)\n\ - "," }\n\ - .lit4 : {\n\ - *(.lit4)\n\ - }\n\ - .sdata : {\n\ - *(.sdata)\n\ - }\n\ - edata = .;\n\ - _edata = .;\n\ - _fbss = .;\n\ - .sbss : {\n\ - *(.sbss)\n\ - *(.scommon)\n\ - "," }\n\ - .bss : {\n\ - *(.bss)\n\ - *(COMMON)\n\ - }\n\ - end = .;\n\ - _end = .;\n\ -}\n\n" -, NULL) - ; else return -concat ( -"OUTPUT_FORMAT(\"ecoff-bigmips\", \"ecoff-bigmips\",\n\ - \"ecoff-littlemips\")\n\ - SEARCH_DIR(/usr/local/mips-idt-ecoff/lib);\n\ -ENTRY(start)\n\ -SECTIONS\n\ -{\n\ - . = 0xa0012000;\n\ - .text : {\n\ - _ftext = . ;\n\ - *(.init)\n\ - eprol = .;\n\ - *(.text)\n\ - PROVIDE (__runtime_reloc_start = .);\n\ - *(.rel.sdata)\n\ - PROVIDE (__runtime_reloc_stop = .);\n\ - *(.fini)\n\ - etext = .;\n\ - _etext = .;\n\ - "," }\n\ - . = .;\n\ - .rdata : {\n\ - *(.rdata)\n\ - }\n\ - _fdata = ALIGN(16);\n\ - .data : {\n\ - *(.data)\n\ - CONSTRUCTORS\n\ - }\n\ - _gp = ALIGN(16) + 0x8000;\n\ - .lit8 : {\n\ - *(.lit8)\n\ - }\n\ - .lit4 : {\n\ - *(.lit4)\n\ - "," }\n\ - .sdata : {\n\ - *(.sdata)\n\ - }\n\ - edata = .;\n\ - _edata = .;\n\ - _fbss = .;\n\ - .sbss : {\n\ - *(.sbss)\n\ - *(.scommon)\n\ - }\n\ - .bss : {\n\ - *(.bss)\n\ - *(COMMON)\n\ - }\n\ - end = .;\n\ - _end = .;\n\ -}\n\n" -, NULL) -; } - -struct ld_emulation_xfer_struct ld_mipsidt_emulation = -{ - gldmipsidt_before_parse, - syslib_default, - hll_default, - after_parse_default, - gldmipsidt_after_open, - gldmipsidt_after_allocation, - set_output_arch_default, - ldemul_default_target, - before_allocation_default, - gldmipsidt_get_script, - "mipsidt", - "ecoff-bigmips" -}; diff --git a/ld/mpw-idtmips.c b/ld/mpw-idtmips.c new file mode 100644 index 00000000000..554f9a8c50c --- /dev/null +++ b/ld/mpw-idtmips.c @@ -0,0 +1,430 @@ +/* This file is is generated by a shell script. DO NOT EDIT! */ + +/* Handle embedded relocs for MIPS. + Copyright 1994 Free Software Foundation, Inc. + Written by Ian Lance Taylor based on generic.em. + +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_mipsidt + +#include "libiberty.h" +#include "bfd.h" +#include "sysdep.h" +#include "bfdlink.h" + +#include "ld.h" +#include "ldmain.h" +#include "ldemul.h" +#include "ldfile.h" +#include "ldmisc.h" + +static void gldmipsidt_before_parse PARAMS ((void)); +static void gldmipsidt_after_open PARAMS ((void)); +static void check_sections PARAMS ((bfd *, asection *, PTR)); +static void gldmipsidt_after_allocation PARAMS ((void)); +static char *gldmipsidt_get_script PARAMS ((int *isfile)); + +static void +gldmipsidt_before_parse() +{ +#ifndef TARGET_ /* I.e., if not generic. */ + ldfile_output_architecture = bfd_arch_mips; +#endif /* not TARGET_ */ +} + +/* This function is run after all the input files have been opened. + We create a .rel.sdata section for each input file with a non zero + .sdata section. The BFD backend will fill in these sections with + magic numbers which can be used to relocate the data section at run + time. This will only do the right thing if all the input files + have been compiled using -membedded-pic. */ + +static void +gldmipsidt_after_open () +{ + bfd *abfd; + + if (! command_line.embedded_relocs + || link_info.relocateable) + return; + + for (abfd = link_info.input_bfds; abfd != NULL; abfd = abfd->link_next) + { + asection *datasec; + + datasec = bfd_get_section_by_name (abfd, ".sdata"); + + /* Note that we assume that the reloc_count field has already + been set up. We could call bfd_get_reloc_upper_bound, but + that returns the size of a memory buffer rather than a reloc + count. We do not want to call bfd_canonicalize_reloc, + because although it would always work it would force us to + read in the relocs into BFD canonical form, which would waste + a significant amount of time and memory. */ + if (datasec != NULL && datasec->reloc_count > 0) + { + asection *relsec; + + relsec = bfd_make_section (abfd, ".rel.sdata"); + if (relsec == NULL + || ! bfd_set_section_flags (abfd, relsec, + (SEC_ALLOC + | SEC_LOAD + | SEC_HAS_CONTENTS + | SEC_IN_MEMORY)) + || ! bfd_set_section_alignment (abfd, relsec, 2) + || ! bfd_set_section_size (abfd, relsec, + datasec->reloc_count * 4)) + einfo ("%F%B: can not create .rel.sdata section: %E"); + } + + /* Double check that all other data sections are empty, as is + required for embedded PIC code. */ + bfd_map_over_sections (abfd, check_sections, (PTR) datasec); + } +} + +/* Check that of the data sections, only the .sdata section has + relocs. This is called via bfd_map_over_sections. */ + +static void +check_sections (abfd, sec, sdatasec) + bfd *abfd; + asection *sec; + PTR sdatasec; +{ + if ((bfd_get_section_flags (abfd, sec) & SEC_CODE) == 0 + && sec != (asection *) sdatasec + && sec->reloc_count != 0) + einfo ("%F%X: section %s has relocs; can not use --embedded-relocs", + abfd, bfd_get_section_name (abfd, sec)); +} + +/* This function is called after the section sizes and offsets have + been set. If we are generating embedded relocs, it calls a special + BFD backend routine to do the work. */ + +static void +gldmipsidt_after_allocation () +{ + bfd *abfd; + + if (! command_line.embedded_relocs + || link_info.relocateable) + return; + + for (abfd = link_info.input_bfds; abfd != NULL; abfd = abfd->link_next) + { + asection *datasec, *relsec; + char *errmsg; + + datasec = bfd_get_section_by_name (abfd, ".sdata"); + + if (datasec == NULL || datasec->reloc_count == 0) + continue; + + relsec = bfd_get_section_by_name (abfd, ".rel.sdata"); + ASSERT (relsec != NULL); + + if (! bfd_mips_ecoff_create_embedded_relocs (abfd, &link_info, + datasec, relsec, + &errmsg)) + { + if (errmsg == NULL) + einfo ("%B%X: can not create runtime reloc information: %E", + abfd); + else + einfo ("%X%B: can not create runtime reloc information: %s", + abfd, errmsg); + } + } +} + +static char * +gldmipsidt_get_script(isfile) + int *isfile; +{ + *isfile = 0; + + if (link_info.relocateable == true && config.build_constructors == true) + return +concat( +"OUTPUT_FORMAT(\"ecoff-bigmips\", \"ecoff-bigmips\",\n\ + \"ecoff-littlemips\")\n\ + SEARCH_DIR(/usr/local/mips-idt-ecoff/lib);\n\ +ENTRY(start)\n\ +SECTIONS\n\ +{\n\ + .text : {\n\ + ;\n\ + *(.init)\n\ + ;\n\ + *(.text)\n\ + *(.rel.sdata)\n\ + *(.fini)\n\ + ;\n\ + ;\n\ + }\n\ + "," .rdata : {\n\ + *(.rdata)\n\ + }\n\ + .data : {\n\ + *(.data)\n\ + CONSTRUCTORS\n\ + }\n\ + .lit8 : {\n\ + *(.lit8)\n\ + }\n\ + .lit4 : {\n\ + *(.lit4)\n\ + }\n\ + "," .sdata : {\n\ + *(.sdata)\n\ + }\n\ + .sbss : {\n\ + *(.sbss)\n\ + *(.scommon)\n\ + }\n\ + .bss : {\n\ + *(.bss)\n\ + *(COMMON)\n\ + }\n\ +}\n\n", NULL) + ; else if (link_info.relocateable == true) return +"OUTPUT_FORMAT(\"ecoff-bigmips\", \"ecoff-bigmips\",\n\ + \"ecoff-littlemips\")\n\ + SEARCH_DIR(/usr/local/mips-idt-ecoff/lib);\n\ +ENTRY(start)\n\ +SECTIONS\n\ +{\n\ + .text : {\n\ + ;\n\ + *(.init)\n\ + ;\n\ + *(.text)\n\ + *(.rel.sdata)\n\ + *(.fini)\n\ + ;\n\ + ;\n\ + }\n\ + .rdata : {\n\ + *(.rdata)\n\ + }\n\ + .data : {\n\ + *(.data)\n\ + }\n\ + .lit8 : {\n\ + *(.lit8)\n\ + }\n\ + .lit4 : {\n\ + *(.lit4)\n\ + }\n\ + .sdata : {\n\ + *(.sdata)\n\ + }\n\ + .sbss : {\n\ + *(.sbss)\n\ + *(.scommon)\n\ + }\n\ + .bss : {\n\ + *(.bss)\n\ + *(COMMON)\n\ + }\n\ +}\n\n" + ; else if (!config.text_read_only) return +concat( +"OUTPUT_FORMAT(\"ecoff-bigmips\", \"ecoff-bigmips\",\n\ + \"ecoff-littlemips\")\n\ + SEARCH_DIR(/usr/local/mips-idt-ecoff/lib);\n\ +ENTRY(start)\n\ +SECTIONS\n\ +{\n\ + . = 0xa0012000;\n\ + .text : {\n\ + _ftext = . ;\n\ + *(.init)\n\ + eprol = .;\n\ + *(.text)\n\ + PROVIDE (__runtime_reloc_start = .);\n\ + *(.rel.sdata)\n\ + PROVIDE (__runtime_reloc_stop = .);\n\ + *(.fini)\n\ + etext = .;\n\ + _etext = .;\n\ +"," }\n\ + . = .;\n\ + .rdata : {\n\ + *(.rdata)\n\ + }\n\ + _fdata = ALIGN(16);\n\ + .data : {\n\ + *(.data)\n\ + CONSTRUCTORS\n\ + }\n\ + _gp = ALIGN(16) + 0x8000;\n\ + .lit8 : {\n\ + *(.lit8)\n\ + }\n\ + .lit4 : {\n\ + *(.lit4)\n\ + }\n\ + .sdata : {\n\ + *(.sdata)\n\ + }\n\ +"," edata = .;\n\ + _edata = .;\n\ + _fbss = .;\n\ + .sbss : {\n\ + *(.sbss)\n\ + *(.scommon)\n\ + }\n\ + .bss : {\n\ + *(.bss)\n\ + *(COMMON)\n\ + }\n\ + end = .;\n\ + _end = .;\n\ +}\n\n" +, NULL) + ; else if (!config.magic_demand_paged) return +concat ( +"OUTPUT_FORMAT(\"ecoff-bigmips\", \"ecoff-bigmips\",\n\ + \"ecoff-littlemips\")\n\ + SEARCH_DIR(/usr/local/mips-idt-ecoff/lib);\n\ +ENTRY(start)\n\ +SECTIONS\n\ +{\n\ + . = 0xa0012000;\n\ + .text : {\n\ + _ftext = . ;\n\ + *(.init)\n\ + eprol = .;\n\ + *(.text)\n\ + PROVIDE (__runtime_reloc_start = .);\n\ + *(.rel.sdata)\n\ + PROVIDE (__runtime_reloc_stop = .);\n\ + *(.fini)\n\ + etext = .;\n\ + _etext = .;\n\ + "," }\n\ + . = .;\n\ + .rdata : {\n\ + *(.rdata)\n\ + }\n\ + _fdata = ALIGN(16);\n\ + .data : {\n\ + *(.data)\n\ + CONSTRUCTORS\n\ + }\n\ + _gp = ALIGN(16) + 0x8000;\n\ + .lit8 : {\n\ + *(.lit8)\n\ + "," }\n\ + .lit4 : {\n\ + *(.lit4)\n\ + }\n\ + .sdata : {\n\ + *(.sdata)\n\ + }\n\ + edata = .;\n\ + _edata = .;\n\ + _fbss = .;\n\ + .sbss : {\n\ + *(.sbss)\n\ + *(.scommon)\n\ + "," }\n\ + .bss : {\n\ + *(.bss)\n\ + *(COMMON)\n\ + }\n\ + end = .;\n\ + _end = .;\n\ +}\n\n" +, NULL) + ; else return +concat ( +"OUTPUT_FORMAT(\"ecoff-bigmips\", \"ecoff-bigmips\",\n\ + \"ecoff-littlemips\")\n\ + SEARCH_DIR(/usr/local/mips-idt-ecoff/lib);\n\ +ENTRY(start)\n\ +SECTIONS\n\ +{\n\ + . = 0xa0012000;\n\ + .text : {\n\ + _ftext = . ;\n\ + *(.init)\n\ + eprol = .;\n\ + *(.text)\n\ + PROVIDE (__runtime_reloc_start = .);\n\ + *(.rel.sdata)\n\ + PROVIDE (__runtime_reloc_stop = .);\n\ + *(.fini)\n\ + etext = .;\n\ + _etext = .;\n\ + "," }\n\ + . = .;\n\ + .rdata : {\n\ + *(.rdata)\n\ + }\n\ + _fdata = ALIGN(16);\n\ + .data : {\n\ + *(.data)\n\ + CONSTRUCTORS\n\ + }\n\ + _gp = ALIGN(16) + 0x8000;\n\ + .lit8 : {\n\ + *(.lit8)\n\ + }\n\ + .lit4 : {\n\ + *(.lit4)\n\ + "," }\n\ + .sdata : {\n\ + *(.sdata)\n\ + }\n\ + edata = .;\n\ + _edata = .;\n\ + _fbss = .;\n\ + .sbss : {\n\ + *(.sbss)\n\ + *(.scommon)\n\ + }\n\ + .bss : {\n\ + *(.bss)\n\ + *(COMMON)\n\ + }\n\ + end = .;\n\ + _end = .;\n\ +}\n\n" +, NULL) +; } + +struct ld_emulation_xfer_struct ld_mipsidt_emulation = +{ + gldmipsidt_before_parse, + syslib_default, + hll_default, + after_parse_default, + gldmipsidt_after_open, + gldmipsidt_after_allocation, + set_output_arch_default, + ldemul_default_target, + before_allocation_default, + gldmipsidt_get_script, + "mipsidt", + "ecoff-bigmips" +};