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author | Daniel Jacobowitz <drow@false.org> | 2007-03-30 12:57:44 +0000 |
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committer | Daniel Jacobowitz <drow@false.org> | 2007-03-30 12:57:44 +0000 |
commit | 8807d78becbc8b26407c953a4f6e952b3905c1cf (patch) | |
tree | e7df7024bb928465f5a26d4ac7bf4c4bc4dc05ed /gdb/nlmread.c | |
parent | ced572fe59eb777ae12ef149d8c77a4836dde226 (diff) | |
download | gdb-8807d78becbc8b26407c953a4f6e952b3905c1cf.zip gdb-8807d78becbc8b26407c953a4f6e952b3905c1cf.tar.gz gdb-8807d78becbc8b26407c953a4f6e952b3905c1cf.tar.bz2 |
* Makefile.in (SFILES): Remove nlmread.c.
(COMMON_OBS): Remove nlmread.o.
(nlmread.o): Delete rule.
* README: Delete reference to remote-st.c.
* acinclude.m4 (CY_AC_TCL_LYNX_POSIX): Delete.
* defs.h (enum gdb_osabi): Delete GDB_OSABI_NETWARE and
GDB_OSABI_LYNXOS.
* i386-tdep.c (i386_nw_init_abi, i386_nlm_osabi_sniffer): Delete.
(_initialize_i386_tdep): Do not reference them.
* nlmread.c: Delete file.
* osabi.c (gdb_osabi_names): Remove NetWare and LynxOS.
* target.c: Doc update.
* thread.c: Delete commented include.
* config/alpha/tm-alpha.h: Doc update.
* gdb.texinfo (Startup): Delete references to some alternate
names for .gdbinit.
(Thread): Remove LynxOS reference.
(Tandem ST2000): Delete target-specific documentation.
* gdbint.texinfo (Symbol Handling): Remove mention of NLM.
(Target Architecture Definition): Remove mention of GDB_OSABI_NETWARE
and GDB_OSABI_LYNXOS.
* config/netware.exp: Delete file.
Diffstat (limited to 'gdb/nlmread.c')
-rw-r--r-- | gdb/nlmread.c | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/gdb/nlmread.c b/gdb/nlmread.c deleted file mode 100644 index 65368c3..0000000 --- a/gdb/nlmread.c +++ /dev/null @@ -1,237 +0,0 @@ -/* Read NLM (NetWare Loadable Module) format executable files for GDB. - Copyright (C) 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2007 - Free Software Foundation, Inc. - Written by Fred Fish at Cygnus Support (fnf@cygnus.com). - - 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., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. */ - -#include "defs.h" -#include "bfd.h" -#include "symtab.h" -#include "symfile.h" -#include "objfiles.h" -#include "buildsym.h" -#include "stabsread.h" -#include "block.h" - -extern void _initialize_nlmread (void); - -static void nlm_new_init (struct objfile *); - -static void nlm_symfile_init (struct objfile *); - -static void nlm_symfile_read (struct objfile *, int); - -static void nlm_symfile_finish (struct objfile *); - -static void nlm_symtab_read (bfd *, CORE_ADDR, struct objfile *); - -/* 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 gdb will be able to read stabs from an NLM - file at some point in the near future. */ - -static void -nlm_new_init (struct objfile *ignore) -{ - stabsread_new_init (); - buildsym_new_init (); -} - - -/* NLM 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 -nlm_symfile_init (struct objfile *ignore) -{ -} - -/* - - LOCAL FUNCTION - - nlm_symtab_read -- read the symbol table of an NLM file - - SYNOPSIS - - void nlm_symtab_read (bfd *abfd, CORE_ADDR addr, - struct objfile *objfile) - - 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. - */ - -static void -nlm_symtab_read (bfd *abfd, CORE_ADDR addr, struct objfile *objfile) -{ - long storage_needed; - asymbol *sym; - asymbol **symbol_table; - long number_of_symbols; - long i; - struct cleanup *back_to; - CORE_ADDR symaddr; - enum minimal_symbol_type ms_type; - - 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 (xfree, symbol_table); - 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 -> flags & BSF_GLOBAL */ 1) - { - /* 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->flags & SEC_CODE) - ms_type = mst_text; - else if (sym->section->flags & SEC_DATA) - ms_type = mst_data; - else - ms_type = mst_unknown; - - prim_record_minimal_symbol (sym->name, symaddr, ms_type, - objfile); - } - } - do_cleanups (back_to); - } -} - - -/* Scan and build partial symbols for a symbol file. - We have been initialized by a call to nlm_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. - - Note that NLM files have two sets of information that is potentially - useful for building gdb's minimal symbol table. The first is a list - of the publically exported symbols, and is currently used to build - bfd's canonical symbol table. The second is an optional native debugging - format which contains additional symbols (and possibly duplicates of - the publically exported symbols). The optional native debugging format - is not currently used. */ - -static void -nlm_symfile_read (struct objfile *objfile, int mainline) -{ - bfd *abfd = objfile->obfd; - struct cleanup *back_to; - CORE_ADDR offset; - - init_minimal_symbol_collection (); - back_to = make_cleanup_discard_minimal_symbols (); - - /* FIXME, should take a section_offsets param, not just an offset. */ - - offset = ANOFFSET (objfile->section_offsets, 0); - - /* Process the NLM export records, which become the bfd's canonical symbol - table. */ - - nlm_symtab_read (abfd, offset, objfile); - - /* Install any minimal symbols that have been collected as the current - minimal symbols for this objfile. */ - - install_minimal_symbols (objfile); - do_cleanups (back_to); - - stabsect_build_psymtabs (objfile, mainline, ".stab", - ".stabstr", ".text"); - /* FIXME: We could locate and read the optional native debugging format - here and add the symbols to the minimal symbol table. */ -} - - -/* 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 -nlm_symfile_finish (struct objfile *objfile) -{ - if (objfile->deprecated_sym_private != NULL) - { - xfree (objfile->deprecated_sym_private); - } -} - -/* Register that we are able to handle NLM file format. */ - -static struct sym_fns nlm_sym_fns = -{ - bfd_target_nlm_flavour, - nlm_new_init, /* sym_new_init: init anything gbl to entire symtab */ - nlm_symfile_init, /* sym_init: read initial info, setup for sym_read() */ - nlm_symfile_read, /* sym_read: read a symbol file into symtab */ - nlm_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_nlmread (void) -{ - add_symtab_fns (&nlm_sym_fns); -} |