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Diffstat (limited to 'gdb/elfread.c')
-rw-r--r-- | gdb/elfread.c | 849 |
1 files changed, 0 insertions, 849 deletions
diff --git a/gdb/elfread.c b/gdb/elfread.c deleted file mode 100644 index 417039e..0000000 --- a/gdb/elfread.c +++ /dev/null @@ -1,849 +0,0 @@ -/* Read ELF (Executable and Linking Format) object files for GDB. - Copyright 1991, 92, 93, 94, 95, 96, 1998 Free Software Foundation, Inc. - Written by Fred Fish at Cygnus Support. - -This file is part of GDB. - -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. */ - -#include "defs.h" -#include "bfd.h" -#include "gdb_string.h" -#include "elf-bfd.h" -#include "elf/mips.h" -#include "symtab.h" -#include "symfile.h" -#include "objfiles.h" -#include "buildsym.h" -#include "stabsread.h" -#include "gdb-stabs.h" -#include "complaints.h" -#include "demangle.h" - -/* The struct elfinfo is available only during ELF symbol table and - psymtab reading. It is destroyed at the complation of psymtab-reading. - It's local to elf_symfile_read. */ - -struct elfinfo { - file_ptr dboffset; /* Offset to dwarf debug section */ - unsigned int dbsize; /* Size of dwarf debug section */ - file_ptr lnoffset; /* Offset to dwarf line number section */ - unsigned int lnsize; /* Size of dwarf line number section */ - asection *stabsect; /* Section pointer for .stab section */ - asection *stabindexsect; /* Section pointer for .stab.index section */ - asection *mdebugsect; /* Section pointer for .mdebug section */ -}; - -/* Various things we might complain about... */ - -struct complaint section_info_complaint = - {"elf/stab section information %s without a preceding file symbol", 0, 0}; - -struct complaint section_info_dup_complaint = - {"duplicated elf/stab section information for %s", 0, 0}; - -struct complaint stab_info_mismatch_complaint = - {"elf/stab section information missing for %s", 0, 0}; - -struct complaint stab_info_questionable_complaint = - {"elf/stab section information questionable for %s", 0, 0}; - -static void -elf_symfile_init PARAMS ((struct objfile *)); - -static void -elf_new_init PARAMS ((struct objfile *)); - -static void -elf_symfile_read PARAMS ((struct objfile *, struct section_offsets *, int)); - -static void -elf_symfile_finish PARAMS ((struct objfile *)); - -static void -elf_symtab_read PARAMS ((bfd *, CORE_ADDR, struct objfile *, int)); - -static void -free_elfinfo PARAMS ((void *)); - -static struct minimal_symbol * -record_minimal_symbol_and_info PARAMS ((char *, CORE_ADDR, - enum minimal_symbol_type, char *, - asection *bfd_section, - struct objfile *)); - -static void -elf_locate_sections PARAMS ((bfd *, asection *, void *)); - -/* We are called once per section from elf_symfile_read. We - need to examine each section we are passed, check to see - if it is something we are interested in processing, and - if so, stash away some access information for the section. - - For now we recognize the dwarf debug information sections and - line number sections from matching their section names. The - ELF definition is no real help here since it has no direct - knowledge of DWARF (by design, so any debugging format can be - used). - - We also recognize the ".stab" sections used by the Sun compilers - released with Solaris 2. - - FIXME: The section names should not be hardwired strings (what - should they be? I don't think most object file formats have enough - section flags to specify what kind of debug section it is - -kingdon). */ - -static void -elf_locate_sections (ignore_abfd, sectp, eip) - bfd *ignore_abfd; - asection *sectp; - PTR eip; -{ - register struct elfinfo *ei; - - ei = (struct elfinfo *) eip; - if (STREQ (sectp -> name, ".debug")) - { - ei -> dboffset = sectp -> filepos; - ei -> dbsize = bfd_get_section_size_before_reloc (sectp); - } - else if (STREQ (sectp -> name, ".line")) - { - ei -> lnoffset = sectp -> filepos; - ei -> lnsize = bfd_get_section_size_before_reloc (sectp); - } - else if (STREQ (sectp -> name, ".stab")) - { - ei -> stabsect = sectp; - } - else if (STREQ (sectp -> name, ".stab.index")) - { - ei -> stabindexsect = sectp; - } - else if (STREQ (sectp -> name, ".mdebug")) - { - ei -> mdebugsect = sectp; - } -} - -#if 0 /* Currently unused */ - -char * -elf_interpreter (abfd) - bfd *abfd; -{ - sec_ptr interp_sec; - unsigned size; - char *interp = NULL; - - interp_sec = bfd_get_section_by_name (abfd, ".interp"); - if (interp_sec) - { - size = bfd_section_size (abfd, interp_sec); - interp = alloca (size); - if (bfd_get_section_contents (abfd, interp_sec, interp, (file_ptr)0, - size)) - { - interp = savestring (interp, size - 1); - } - else - { - interp = NULL; - } - } - return (interp); -} - -#endif - -static struct minimal_symbol * -record_minimal_symbol_and_info (name, address, ms_type, info, bfd_section, - objfile) - char *name; - CORE_ADDR address; - enum minimal_symbol_type ms_type; - char *info; /* FIXME, is this really char *? */ - asection *bfd_section; - struct objfile *objfile; -{ - int section; - - /* Guess the section from the type. This is likely to be wrong in - some cases. */ - switch (ms_type) - { - case mst_text: - case mst_file_text: - section = SECT_OFF_TEXT; -#ifdef SMASH_TEXT_ADDRESS - SMASH_TEXT_ADDRESS (address); -#endif - break; - case mst_data: - case mst_file_data: - section = SECT_OFF_DATA; - break; - case mst_bss: - case mst_file_bss: - section = SECT_OFF_BSS; - break; - default: - section = -1; - break; - } - - return prim_record_minimal_symbol_and_info - (name, address, ms_type, info, section, bfd_section, objfile); -} - -/* - -LOCAL FUNCTION - - elf_symtab_read -- read the symbol table of an ELF file - -SYNOPSIS - - void elf_symtab_read (bfd *abfd, CORE_ADDR addr, - struct objfile *objfile, int dynamic) - -DESCRIPTION - - Given an open bfd, a base address to relocate symbols to, and a - flag that specifies whether or not this bfd is for an executable - or not (may be shared library for example), add all the global - function and data symbols to the minimal symbol table. - - In stabs-in-ELF, as implemented by Sun, there are some local symbols - defined in the ELF symbol table, which can be used to locate - the beginnings of sections from each ".o" file that was linked to - form the executable objfile. We gather any such info and record it - in data structures hung off the objfile's private data. - -*/ - -static void -elf_symtab_read (abfd, addr, objfile, dynamic) - bfd *abfd; - CORE_ADDR addr; - struct objfile *objfile; - int dynamic; -{ - long storage_needed; - asymbol *sym; - asymbol **symbol_table; - long number_of_symbols; - long i; - int index; - struct cleanup *back_to; - CORE_ADDR symaddr; - enum minimal_symbol_type ms_type; - /* If sectinfo is nonNULL, it contains section info that should end up - filed in the objfile. */ - struct stab_section_info *sectinfo = NULL; - /* If filesym is nonzero, it points to a file symbol, but we haven't - seen any section info for it yet. */ - asymbol *filesym = 0; -#ifdef SOFUN_ADDRESS_MAYBE_MISSING - /* Name of filesym, as saved on the symbol_obstack. */ - char *filesymname = obsavestring ("", 0, &objfile->symbol_obstack); -#endif - struct dbx_symfile_info *dbx = objfile->sym_stab_info; - unsigned long size; - int stripped = (bfd_get_symcount (abfd) == 0); - - if (dynamic) - { - storage_needed = bfd_get_dynamic_symtab_upper_bound (abfd); - - /* Nothing to be done if there is no dynamic symtab. */ - if (storage_needed < 0) - return; - } - else - { - storage_needed = bfd_get_symtab_upper_bound (abfd); - if (storage_needed < 0) - error ("Can't read symbols from %s: %s", bfd_get_filename (abfd), - bfd_errmsg (bfd_get_error ())); - } - if (storage_needed > 0) - { - symbol_table = (asymbol **) xmalloc (storage_needed); - back_to = make_cleanup (free, symbol_table); - if (dynamic) - number_of_symbols = bfd_canonicalize_dynamic_symtab (abfd, - symbol_table); - else - number_of_symbols = bfd_canonicalize_symtab (abfd, symbol_table); - if (number_of_symbols < 0) - error ("Can't read symbols from %s: %s", bfd_get_filename (abfd), - bfd_errmsg (bfd_get_error ())); - for (i = 0; i < number_of_symbols; i++) - { - sym = symbol_table[i]; - if (sym -> name == NULL || *sym -> name == '\0') - { - /* Skip names that don't exist (shouldn't happen), or names - that are null strings (may happen). */ - continue; - } - - if (dynamic - && sym -> section == &bfd_und_section - && (sym -> flags & BSF_FUNCTION)) - { - struct minimal_symbol *msym; - - /* Symbol is a reference to a function defined in - a shared library. - If its value is non zero then it is usually the address - of the corresponding entry in the procedure linkage table, - relative to the base address. - If its value is zero then the dynamic linker has to resolve - the symbol. We are unable to find any meaningful address - for this symbol in the executable file, so we skip it. */ - symaddr = sym -> value; - if (symaddr == 0) - continue; - symaddr += addr; - msym = record_minimal_symbol_and_info - ((char *) sym -> name, symaddr, - mst_solib_trampoline, NULL, sym -> section, objfile); -#ifdef SOFUN_ADDRESS_MAYBE_MISSING - if (msym != NULL) - msym->filename = filesymname; -#endif - continue; - } - - /* If it is a nonstripped executable, do not enter dynamic - symbols, as the dynamic symbol table is usually a subset - of the main symbol table. */ - if (dynamic && !stripped) - continue; - if (sym -> flags & BSF_FILE) - { - /* STT_FILE debugging symbol that helps stabs-in-elf debugging. - Chain any old one onto the objfile; remember new sym. */ - if (sectinfo != NULL) - { - sectinfo -> next = dbx -> stab_section_info; - dbx -> stab_section_info = sectinfo; - sectinfo = NULL; - } - filesym = sym; -#ifdef SOFUN_ADDRESS_MAYBE_MISSING - filesymname = - obsavestring ((char *)filesym->name, strlen (filesym->name), - &objfile->symbol_obstack); -#endif - } - else if (sym -> flags & (BSF_GLOBAL | BSF_LOCAL | BSF_WEAK)) - { - struct minimal_symbol *msym; - - /* Select global/local/weak symbols. Note that bfd puts abs - symbols in their own section, so all symbols we are - interested in will have a section. */ - /* Bfd symbols are section relative. */ - symaddr = sym -> value + sym -> section -> vma; - /* Relocate all non-absolute symbols by base address. */ - if (sym -> section != &bfd_abs_section) - { - symaddr += addr; - } - /* For non-absolute symbols, use the type of the section - they are relative to, to intuit text/data. Bfd provides - no way of figuring this out for absolute symbols. */ - if (sym -> section == &bfd_abs_section) - { - /* This is a hack to get the minimal symbol type - right for Irix 5, which has absolute adresses - with special section indices for dynamic symbols. */ - unsigned short shndx = - ((elf_symbol_type *) sym)->internal_elf_sym.st_shndx; - - switch (shndx) - { - case SHN_MIPS_TEXT: - ms_type = mst_text; - break; - case SHN_MIPS_DATA: - ms_type = mst_data; - break; - case SHN_MIPS_ACOMMON: - ms_type = mst_bss; - break; - default: - ms_type = mst_abs; - } - - /* If it is an Irix dynamic symbol, skip section name - symbols, relocate all others. */ - if (ms_type != mst_abs) - { - if (sym->name[0] == '.') - continue; - symaddr += addr; - } - } - else if (sym -> section -> flags & SEC_CODE) - { - if (sym -> flags & BSF_GLOBAL) - { - ms_type = mst_text; - } - else if ((sym->name[0] == '.' && sym->name[1] == 'L') - || ((sym -> flags & BSF_LOCAL) - && sym->name[0] == '$' - && sym->name[1] == 'L')) - /* Looks like a compiler-generated label. Skip it. - The assembler should be skipping these (to keep - executables small), but apparently with gcc on the - delta m88k SVR4, it loses. So to have us check too - should be harmless (but I encourage people to fix this - in the assembler instead of adding checks here). */ - continue; -#ifdef HARRIS_TARGET - else if (sym->name[0] == '.' && sym->name[1] == '.') - { - /* Looks like a Harris compiler generated label for the - purpose of marking instructions that are relevant to - DWARF dies. The assembler can't get rid of these - because they are relocatable addresses that the - linker needs to resolve. */ - continue; - } -#endif - else - { - ms_type = mst_file_text; - } - } - else if (sym -> section -> flags & SEC_ALLOC) - { - if (sym -> flags & BSF_GLOBAL) - { - if (sym -> section -> flags & SEC_LOAD) - { - ms_type = mst_data; - } - else - { - ms_type = mst_bss; - } - } - else if (sym -> flags & BSF_LOCAL) - { - /* Named Local variable in a Data section. Check its - name for stabs-in-elf. The STREQ macro checks the - first character inline, so we only actually do a - strcmp function call on names that start with 'B' - or 'D' */ - index = SECT_OFF_MAX; - if (STREQ ("Bbss.bss", sym -> name)) - { - index = SECT_OFF_BSS; - } - else if (STREQ ("Ddata.data", sym -> name)) - { - index = SECT_OFF_DATA; - } - else if (STREQ ("Drodata.rodata", sym -> name)) - { - index = SECT_OFF_RODATA; - } - if (index != SECT_OFF_MAX) - { - /* Found a special local symbol. Allocate a - sectinfo, if needed, and fill it in. */ - if (sectinfo == NULL) - { - sectinfo = (struct stab_section_info *) - xmmalloc (objfile -> md, sizeof (*sectinfo)); - memset ((PTR) sectinfo, 0, sizeof (*sectinfo)); - if (filesym == NULL) - { - complain (§ion_info_complaint, - sym -> name); - } - else - { - sectinfo -> filename = - (char *) filesym -> name; - } - } - if (sectinfo -> sections[index] != 0) - { - complain (§ion_info_dup_complaint, - sectinfo -> filename); - } - /* Bfd symbols are section relative. */ - symaddr = sym -> value + sym -> section -> vma; - /* Relocate non-absolute symbols by base address. */ - if (sym -> section != &bfd_abs_section) - { - symaddr += addr; - } - sectinfo -> sections[index] = symaddr; - /* The special local symbols don't go in the - minimal symbol table, so ignore this one. */ - continue; - } - /* Not a special stabs-in-elf symbol, do regular - symbol processing. */ - if (sym -> section -> flags & SEC_LOAD) - { - ms_type = mst_file_data; - } - else - { - ms_type = mst_file_bss; - } - } - else - { - ms_type = mst_unknown; - } - } - else - { - /* FIXME: Solaris2 shared libraries include lots of - odd "absolute" and "undefined" symbols, that play - hob with actions like finding what function the PC - is in. Ignore them if they aren't text, data, or bss. */ - /* ms_type = mst_unknown; */ - continue; /* Skip this symbol. */ - } - /* Pass symbol size field in via BFD. FIXME!!! */ - size = ((elf_symbol_type *) sym) -> internal_elf_sym.st_size; - msym = record_minimal_symbol_and_info - ((char *) sym -> name, symaddr, - ms_type, (PTR) size, sym -> section, objfile); -#ifdef SOFUN_ADDRESS_MAYBE_MISSING - if (msym != NULL) - msym->filename = filesymname; -#endif -#ifdef ELF_MAKE_MSYMBOL_SPECIAL - ELF_MAKE_MSYMBOL_SPECIAL(sym,msym); -#endif - } - } - do_cleanups (back_to); - } -} - -/* Scan and build partial symbols for a symbol file. - We have been initialized by a call to elf_symfile_init, which - currently does nothing. - - SECTION_OFFSETS is a set of offsets to apply to relocate the symbols - in each section. We simplify it down to a single offset for all - symbols. FIXME. - - MAINLINE is true if we are reading the main symbol - table (as opposed to a shared lib or dynamically loaded file). - - This function only does the minimum work necessary for letting the - user "name" things symbolically; it does not read the entire symtab. - Instead, it reads the external and static symbols and puts them in partial - symbol tables. When more extensive information is requested of a - file, the corresponding partial symbol table is mutated into a full - fledged symbol table by going back and reading the symbols - for real. - - We look for sections with specific names, to tell us what debug - format to look for: FIXME!!! - - dwarf_build_psymtabs() builds psymtabs for DWARF symbols; - elfstab_build_psymtabs() handles STABS symbols; - mdebug_build_psymtabs() handles ECOFF debugging information. - - Note that ELF files have a "minimal" symbol table, which looks a lot - like a COFF symbol table, but has only the minimal information necessary - for linking. We process this also, and use the information to - build gdb's minimal symbol table. This gives us some minimal debugging - capability even for files compiled without -g. */ - -static void -elf_symfile_read (objfile, section_offsets, mainline) - struct objfile *objfile; - struct section_offsets *section_offsets; - int mainline; -{ - bfd *abfd = objfile->obfd; - struct elfinfo ei; - struct cleanup *back_to; - CORE_ADDR offset; - - init_minimal_symbol_collection (); - back_to = make_cleanup ((make_cleanup_func) discard_minimal_symbols, 0); - - memset ((char *) &ei, 0, sizeof (ei)); - - /* Allocate struct to keep track of the symfile */ - objfile->sym_stab_info = (struct dbx_symfile_info *) - xmmalloc (objfile -> md, sizeof (struct dbx_symfile_info)); - memset ((char *) objfile->sym_stab_info, 0, sizeof (struct dbx_symfile_info)); - make_cleanup (free_elfinfo, (PTR) objfile); - - /* Process the normal ELF symbol table first. This may write some - chain of info into the dbx_symfile_info in objfile->sym_stab_info, - which can later be used by elfstab_offset_sections. */ - - /* FIXME, should take a section_offsets param, not just an offset. */ - offset = ANOFFSET (section_offsets, 0); - elf_symtab_read (abfd, offset, objfile, 0); - - /* Add the dynamic symbols. */ - - elf_symtab_read (abfd, offset, objfile, 1); - - /* Now process debugging information, which is contained in - special ELF sections. */ - - /* If we are reinitializing, or if we have never loaded syms yet, - set table to empty. MAINLINE is cleared so that *_read_psymtab - functions do not all also re-initialize the psymbol table. */ - if (mainline) - { - init_psymbol_list (objfile, 0); - mainline = 0; - } - - /* We first have to find them... */ - bfd_map_over_sections (abfd, elf_locate_sections, (PTR) &ei); - - /* ELF debugging information is inserted into the psymtab in the - order of least informative first - most informative last. Since - the psymtab table is searched `most recent insertion first' this - increases the probability that more detailed debug information - for a section is found. - - For instance, an object file might contain both .mdebug (XCOFF) - and .debug_info (DWARF2) sections then .mdebug is inserted first - (searched last) and DWARF2 is inserted last (searched first). If - we don't do this then the XCOFF info is found first - for code in - an included file XCOFF info is useless. */ - - if (ei.mdebugsect) - { - const struct ecoff_debug_swap *swap; - - /* .mdebug section, presumably holding ECOFF debugging - information. */ - swap = get_elf_backend_data (abfd)->elf_backend_ecoff_debug_swap; - if (swap) - elfmdebug_build_psymtabs (objfile, swap, ei.mdebugsect, - section_offsets); - } - if (ei.stabsect) - { - asection *str_sect; - - /* Stab sections have an associated string table that looks like - a separate section. */ - str_sect = bfd_get_section_by_name (abfd, ".stabstr"); - - /* FIXME should probably warn about a stab section without a stabstr. */ - if (str_sect) - elfstab_build_psymtabs (objfile, - section_offsets, - mainline, - ei.stabsect->filepos, - bfd_section_size (abfd, ei.stabsect), - str_sect->filepos, - bfd_section_size (abfd, str_sect)); - } - if (dwarf2_has_info (abfd)) - { - /* DWARF 2 sections */ - dwarf2_build_psymtabs (objfile, section_offsets, mainline); - } - else if (ei.dboffset && ei.lnoffset) - { - /* DWARF sections */ - dwarf_build_psymtabs (objfile, - section_offsets, mainline, - ei.dboffset, ei.dbsize, - ei.lnoffset, ei.lnsize); - } - - /* Install any minimal symbols that have been collected as the current - minimal symbols for this objfile. */ - - install_minimal_symbols (objfile); - - do_cleanups (back_to); -} - -/* This cleans up the objfile's sym_stab_info pointer, and the chain of - stab_section_info's, that might be dangling from it. */ - -static void -free_elfinfo (objp) - PTR objp; -{ - struct objfile *objfile = (struct objfile *)objp; - struct dbx_symfile_info *dbxinfo = objfile->sym_stab_info; - struct stab_section_info *ssi, *nssi; - - ssi = dbxinfo->stab_section_info; - while (ssi) - { - nssi = ssi->next; - mfree (objfile->md, ssi); - ssi = nssi; - } - - dbxinfo->stab_section_info = 0; /* Just say No mo info about this. */ -} - - -/* Initialize anything that needs initializing when a completely new symbol - file is specified (not just adding some symbols from another file, e.g. a - shared library). - - We reinitialize buildsym, since we may be reading stabs from an ELF file. */ - -static void -elf_new_init (ignore) - struct objfile *ignore; -{ - stabsread_new_init (); - buildsym_new_init (); -} - -/* Perform any local cleanups required when we are done with a particular - objfile. I.E, we are in the process of discarding all symbol information - for an objfile, freeing up all memory held for it, and unlinking the - objfile struct from the global list of known objfiles. */ - -static void -elf_symfile_finish (objfile) - struct objfile *objfile; -{ - if (objfile -> sym_stab_info != NULL) - { - mfree (objfile -> md, objfile -> sym_stab_info); - } -} - -/* ELF specific initialization routine for reading symbols. - - It is passed a pointer to a struct sym_fns which contains, among other - things, the BFD for the file whose symbols are being read, and a slot for - a pointer to "private data" which we can fill with goodies. - - For now at least, we have nothing in particular to do, so this function is - just a stub. */ - -static void -elf_symfile_init (objfile) - struct objfile *objfile; -{ - /* ELF objects may be reordered, so set OBJF_REORDERED. If we - find this causes a significant slowdown in gdb then we could - set it in the debug symbol readers only when necessary. */ - objfile->flags |= OBJF_REORDERED; -} - -/* When handling an ELF file that contains Sun STABS debug info, - some of the debug info is relative to the particular chunk of the - section that was generated in its individual .o file. E.g. - offsets to static variables are relative to the start of the data - segment *for that module before linking*. This information is - painfully squirreled away in the ELF symbol table as local symbols - with wierd names. Go get 'em when needed. */ - -void -elfstab_offset_sections (objfile, pst) - struct objfile *objfile; - struct partial_symtab *pst; -{ - char *filename = pst->filename; - struct dbx_symfile_info *dbx = objfile->sym_stab_info; - struct stab_section_info *maybe = dbx->stab_section_info; - struct stab_section_info *questionable = 0; - int i; - char *p; - - /* The ELF symbol info doesn't include path names, so strip the path - (if any) from the psymtab filename. */ - while (0 != (p = strchr (filename, '/'))) - filename = p+1; - - /* FIXME: This linear search could speed up significantly - if it was chained in the right order to match how we search it, - and if we unchained when we found a match. */ - for (; maybe; maybe = maybe->next) - { - if (filename[0] == maybe->filename[0] - && STREQ (filename, maybe->filename)) - { - /* We found a match. But there might be several source files - (from different directories) with the same name. */ - if (0 == maybe->found) - break; - questionable = maybe; /* Might use it later. */ - } - } - - if (maybe == 0 && questionable != 0) - { - complain (&stab_info_questionable_complaint, filename); - maybe = questionable; - } - - if (maybe) - { - /* Found it! Allocate a new psymtab struct, and fill it in. */ - maybe->found++; - pst->section_offsets = (struct section_offsets *) - obstack_alloc (&objfile -> psymbol_obstack, - sizeof (struct section_offsets) + - sizeof (pst->section_offsets->offsets) * (SECT_OFF_MAX-1)); - - for (i = 0; i < SECT_OFF_MAX; i++) - ANOFFSET (pst->section_offsets, i) = maybe->sections[i]; - return; - } - - /* We were unable to find any offsets for this file. Complain. */ - if (dbx->stab_section_info) /* If there *is* any info, */ - complain (&stab_info_mismatch_complaint, filename); -} - -/* Register that we are able to handle ELF object file formats. */ - -static struct sym_fns elf_sym_fns = -{ - bfd_target_elf_flavour, - elf_new_init, /* sym_new_init: init anything gbl to entire symtab */ - elf_symfile_init, /* sym_init: read initial info, setup for sym_read() */ - elf_symfile_read, /* sym_read: read a symbol file into symtab */ - elf_symfile_finish, /* sym_finish: finished with file, cleanup */ - default_symfile_offsets, - /* sym_offsets: Translate ext. to int. relocation */ - NULL /* next: pointer to next struct sym_fns */ -}; - -void -_initialize_elfread () -{ - add_symtab_fns (&elf_sym_fns); -} |