darling-gdb/gdb/solib.c

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/* Handle shared libraries for GDB, the GNU Debugger.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
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This file is part of GDB.
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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.
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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 <sys/types.h>
#include <fcntl.h>
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#include "gdb_string.h"
#include "symtab.h"
#include "bfd.h"
#include "symfile.h"
#include "objfiles.h"
#include "gdbcore.h"
#include "command.h"
#include "target.h"
#include "frame.h"
#include "gdb_regex.h"
#include "inferior.h"
#include "environ.h"
#include "language.h"
#include "gdbcmd.h"
#include "completer.h"
#include "filenames.h" /* for DOSish file names */
#include "exec.h"
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#include "solist.h"
#include <readline/readline.h>
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/* external data declarations */
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/* FIXME: gdbarch needs to control this variable */
struct target_so_ops *current_target_so_ops;
/* local data declarations */
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
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static struct so_list *so_list_head; /* List of known shared objects */
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static int solib_cleanup_queued = 0; /* make_run_cleanup called */
/* Local function prototypes */
static void do_clear_solib (void *);
/* If non-zero, this is a prefix that will be added to the front of the name
shared libraries with an absolute filename for loading. */
static char *solib_absolute_prefix = NULL;
/* If non-empty, this is a search path for loading non-absolute shared library
symbol files. This takes precedence over the environment variables PATH
and LD_LIBRARY_PATH. */
static char *solib_search_path = NULL;
/*
GLOBAL FUNCTION
solib_open -- Find a shared library file and open it.
SYNOPSIS
int solib_open (char *in_patname, char **found_pathname);
DESCRIPTION
Global variable SOLIB_ABSOLUTE_PREFIX is used as a prefix directory
to search for shared libraries if they have an absolute path.
Global variable SOLIB_SEARCH_PATH is used as a prefix directory
(or set of directories, as in LD_LIBRARY_PATH) to search for all
shared libraries if not found in SOLIB_ABSOLUTE_PREFIX.
Search algorithm:
* If there is a solib_absolute_prefix and path is absolute:
* Search for solib_absolute_prefix/path.
* else
* Look for it literally (unmodified).
* Look in SOLIB_SEARCH_PATH.
* If available, use target defined search function.
* If solib_absolute_prefix is NOT set, perform the following two searches:
* Look in inferior's $PATH.
* Look in inferior's $LD_LIBRARY_PATH.
*
* The last check avoids doing this search when targetting remote
* machines since solib_absolute_prefix will almost always be set.
RETURNS
file handle for opened solib, or -1 for failure. */
int
solib_open (char *in_pathname, char **found_pathname)
{
int found_file = -1;
char *temp_pathname = NULL;
char *p = in_pathname;
while (*p && !IS_DIR_SEPARATOR (*p))
p++;
if (*p)
{
if (! IS_ABSOLUTE_PATH (in_pathname) || solib_absolute_prefix == NULL)
temp_pathname = in_pathname;
else
{
int prefix_len = strlen (solib_absolute_prefix);
/* Remove trailing slashes from absolute prefix. */
while (prefix_len > 0
&& IS_DIR_SEPARATOR (solib_absolute_prefix[prefix_len - 1]))
prefix_len--;
/* Cat the prefixed pathname together. */
temp_pathname = alloca (prefix_len + strlen (in_pathname) + 1);
strncpy (temp_pathname, solib_absolute_prefix, prefix_len);
temp_pathname[prefix_len] = '\0';
strcat (temp_pathname, in_pathname);
}
/* Now see if we can open it. */
found_file = open (temp_pathname, O_RDONLY, 0);
}
/* If the search in solib_absolute_prefix failed, and the path name is
absolute at this point, make it relative. (openp will try and open the
file according to its absolute path otherwise, which is not what we want.)
Affects subsequent searches for this solib. */
if (found_file < 0 && IS_ABSOLUTE_PATH (in_pathname))
{
/* First, get rid of any drive letters etc. */
while (!IS_DIR_SEPARATOR (*in_pathname))
in_pathname++;
/* Next, get rid of all leading dir separators. */
while (IS_DIR_SEPARATOR (*in_pathname))
in_pathname++;
}
/* If not found, search the solib_search_path (if any). */
if (found_file < 0 && solib_search_path != NULL)
found_file = openp (solib_search_path,
1, in_pathname, O_RDONLY, 0, &temp_pathname);
/* If not found, next search the solib_search_path (if any) for the basename
only (ignoring the path). This is to allow reading solibs from a path
that differs from the opened path. */
if (found_file < 0 && solib_search_path != NULL)
found_file = openp (solib_search_path,
1, lbasename (in_pathname), O_RDONLY, 0,
&temp_pathname);
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/* If not found, try to use target supplied solib search method */
if (found_file < 0 && TARGET_SO_FIND_AND_OPEN_SOLIB != NULL)
found_file = TARGET_SO_FIND_AND_OPEN_SOLIB
(in_pathname, O_RDONLY, &temp_pathname);
/* If not found, next search the inferior's $PATH environment variable. */
if (found_file < 0 && solib_absolute_prefix == NULL)
found_file = openp (get_in_environ (inferior_environ, "PATH"),
1, in_pathname, O_RDONLY, 0, &temp_pathname);
/* If not found, next search the inferior's $LD_LIBRARY_PATH
environment variable. */
if (found_file < 0 && solib_absolute_prefix == NULL)
found_file = openp (get_in_environ (inferior_environ, "LD_LIBRARY_PATH"),
1, in_pathname, O_RDONLY, 0, &temp_pathname);
/* Done. If not found, tough luck. Return found_file and
(optionally) found_pathname. */
if (found_pathname != NULL && temp_pathname != NULL)
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*found_pathname = xstrdup (temp_pathname);
return found_file;
}
/*
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LOCAL FUNCTION
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solib_map_sections -- open bfd and build sections for shared lib
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SYNOPSIS
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static int solib_map_sections (struct so_list *so)
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DESCRIPTION
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Given a pointer to one of the shared objects in our list
of mapped objects, use the recorded name to open a bfd
descriptor for the object, build a section table, and then
relocate all the section addresses by the base address at
which the shared object was mapped.
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FIXMES
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In most (all?) cases the shared object file name recorded in the
dynamic linkage tables will be a fully qualified pathname. For
cases where it isn't, do we really mimic the systems search
mechanism correctly in the below code (particularly the tilde
expansion stuff?).
*/
static int
solib_map_sections (void *arg)
{
struct so_list *so = (struct so_list *) arg; /* catch_errors bogon */
char *filename;
char *scratch_pathname;
int scratch_chan;
struct section_table *p;
struct cleanup *old_chain;
bfd *abfd;
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filename = tilde_expand (so->so_name);
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old_chain = make_cleanup (xfree, filename);
scratch_chan = solib_open (filename, &scratch_pathname);
if (scratch_chan < 0)
{
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perror_with_name (filename);
}
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/* Leave scratch_pathname allocated. abfd->name will point to it. */
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abfd = bfd_fdopenr (scratch_pathname, gnutarget, scratch_chan);
if (!abfd)
{
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close (scratch_chan);
error ("Could not open `%s' as an executable file: %s",
scratch_pathname, bfd_errmsg (bfd_get_error ()));
}
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/* Leave bfd open, core_xfer_memory and "info files" need it. */
so->abfd = abfd;
bfd_set_cacheable (abfd, 1);
/* copy full path name into so_name, so that later symbol_file_add
can find it */
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if (strlen (scratch_pathname) >= SO_NAME_MAX_PATH_SIZE)
error ("Full path name length of shared library exceeds SO_NAME_MAX_PATH_SIZE in so_list structure.");
strcpy (so->so_name, scratch_pathname);
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if (!bfd_check_format (abfd, bfd_object))
{
error ("\"%s\": not in executable format: %s.",
scratch_pathname, bfd_errmsg (bfd_get_error ()));
}
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if (build_section_table (abfd, &so->sections, &so->sections_end))
{
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error ("Can't find the file sections in `%s': %s",
bfd_get_filename (abfd), bfd_errmsg (bfd_get_error ()));
}
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for (p = so->sections; p < so->sections_end; p++)
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{
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/* Relocate the section binding addresses as recorded in the shared
object's file by the base address to which the object was actually
mapped. */
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TARGET_SO_RELOCATE_SECTION_ADDRESSES (so, p);
2003-11-07 Andrew Cagney <cagney@redhat.com> * top.c (print_gdb_version): Replace STREQ with strcmp. * valops.c (value_struct_elt_for_reference): Ditto. (value_struct_elt_for_reference): Ditto. * symtab.c (gdb_mangle_name): Ditto. (find_line_symtab): Ditto. * symmisc.c (maintenance_print_symbols): Ditto. * symfile.c (symbol_file_command): Ditto. * stabsread.c (define_symbol, read_type): Ditto. (cleanup_undefined_types, scan_file_globals): Ditto. * solib.c (solib_map_sections): Ditto. * solib-svr4.c (bfd_lookup_symbol): Ditto. * rs6000-tdep.c (skip_prologue): Ditto. * p-valprint.c (pascal_value_print): Ditto. (pascal_object_is_vtbl_ptr_type): Ditto. * objfiles.c (in_plt_section): Ditto. * minsyms.c (lookup_minimal_symbol): Ditto. (compact_minimal_symbols): Ditto. (find_solib_trampoline_target): Ditto. * mdebugread.c (parse_type): Ditto. * language.c (set_language_command): Ditto. (set_type_command, set_range_command): Ditto. * f-lang.c (add_common_block): Ditto. (add_common_block): Ditto. (find_first_common_named): Ditto. (patch_all_commons_by_name): Ditto. * elfread.c (elf_locate_sections): Ditto. (elf_locate_sections): Ditto. (elfstab_offset_sections): Ditto. * dwarf2read.c (dwarf2_locate_sections): Ditto. * dbxread.c (add_old_header_file): Ditto. (find_corresponding_bincl_psymtab): Ditto. (read_dbx_symtab, process_one_symbol): Ditto. * coffread.c (patch_opaque_types): Ditto. * cli/cli-decode.c (delete_cmd): Ditto. * cli/cli-cmds.c (pwd_command, list_command): Ditto. * c-typeprint.c (c_type_print_base): Ditto. * breakpoint.c (bpstat_stop_status): Ditto. (clear_command, breakpoint_re_set_one): Ditto.
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if (strcmp (p->the_bfd_section->name, ".text") == 0)
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{
so->textsection = p;
}
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}
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/* Free the file names, close the file now. */
do_cleanups (old_chain);
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return (1);
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}
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
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/* LOCAL FUNCTION
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
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free_so --- free a `struct so_list' object
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SYNOPSIS
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
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void free_so (struct so_list *so)
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DESCRIPTION
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
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Free the storage associated with the `struct so_list' object SO.
If we have opened a BFD for SO, close it.
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
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The caller is responsible for removing SO from whatever list it is
a member of. If we have placed SO's sections in some target's
section table, the caller is responsible for removing them.
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
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This function doesn't mess with objfiles at all. If there is an
objfile associated with SO that needs to be removed, the caller is
responsible for taking care of that. */
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void
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
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free_so (struct so_list *so)
{
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
char *bfd_filename = 0;
1999-07-07 20:19:36 +00:00
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
if (so->sections)
2000-12-15 01:01:51 +00:00
xfree (so->sections);
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
if (so->abfd)
{
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
bfd_filename = bfd_get_filename (so->abfd);
if (! bfd_close (so->abfd))
warning ("cannot close \"%s\": %s",
bfd_filename, bfd_errmsg (bfd_get_error ()));
}
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
if (bfd_filename)
2000-12-15 01:01:51 +00:00
xfree (bfd_filename);
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
2000-10-24 20:05:36 +00:00
TARGET_SO_FREE_SO (so);
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
2000-12-15 01:01:51 +00:00
xfree (so);
}
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
/* A small stub to get us past the arg-passing pinhole of catch_errors. */
static int
symbol_add_stub (void *arg)
{
struct so_list *so = (struct so_list *) arg; /* catch_errs bogon */
struct section_addr_info *sap;
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
/* Have we already loaded this shared object? */
ALL_OBJFILES (so->objfile)
{
if (strcmp (so->objfile->name, so->so_name) == 0)
return 1;
}
sap = build_section_addr_info_from_section_table (so->sections,
so->sections_end);
so->objfile = symbol_file_add (so->so_name, so->from_tty,
sap, 0, OBJF_SHARED);
free_section_addr_info (sap);
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
return (1);
}
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
/* LOCAL FUNCTION
update_solib_list --- synchronize GDB's shared object list with inferior's
1999-07-07 20:19:36 +00:00
SYNOPSIS
void update_solib_list (int from_tty, struct target_ops *TARGET)
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
Extract the list of currently loaded shared objects from the
inferior, and compare it with the list of shared objects currently
in GDB's so_list_head list. Edit so_list_head to bring it in sync
with the inferior's new list.
If we notice that the inferior has unloaded some shared objects,
free any symbolic info GDB had read about those shared objects.
Don't load symbolic info for any new shared objects; just add them
to the list, and leave their symbols_loaded flag clear.
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
If FROM_TTY is non-null, feel free to print messages about what
we're doing.
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
If TARGET is non-null, add the sections of all new shared objects
to TARGET's section table. Note that this doesn't remove any
sections for shared objects that have been unloaded, and it
doesn't check to see if the new shared objects are already present in
the section table. But we only use this for core files and
processes we've just attached to, so that's okay. */
2003-06-11 Andrew Cagney <cagney@redhat.com> * xstormy16-tdep.c (xstormy16_push_return_address): Make static. (xstormy16_save_dummy_frame_tos): Make static. (_initialize_xstormy16_tdep): Add declaration. * vax-tdep.c (_initialize_vax_tdep): Add declaration. * v850-tdep.c: Make local functions static. (_initialize_v850_tdep): Add declaration. * sparc-tdep.c: Make local functions static. (_initialize_sparc_tdep): Add declaration. * sh-tdep.c: Make local functions static. (_initialize_sh_tdep): Add declaration. * sh3-rom.c (_initialize_sh3_rom): Add declaration. * s390-tdep.c: Make local functions static. (_initialize_s390_tdep): Add declaration. * dbxread.c (find_stab_function_addr): Make static. * ppc-bdm.c (_initialize_bdm_ppc): Add declaration. * ocd.c (_initialize_remote_ocd): Add declaration. * dink32-rom.c (_initialize_dink32_rom): Add declaration. * ppcbug-rom.c (_initialize_ppcbug_rom): Add declaration. * ns32k-tdep.c (_initialize_ns32k_tdep): Add declaration. * ns32knbsd-tdep.c (_initialize_ns32knbsd_tdep): Add declaration. * mips-tdep.c (_initialize_mips_tdep): Add declaration. * remote-array.c (_initialize_array): Add declaration. (_initialize_remote_monitors): Add declaration. * remote-mips.c: Make local functions static. (_initialize_remote_mips): Add declaration. * mcore-tdep.c: Make all local functions static. (_initialize_mcore_tdep): Add declaration. * dbug-rom.c (_initialize_dbug_rom): Add declaration. * abug-rom.c (_initialize_abug_rom): Add declaration. * rom68k-rom.c (_initialize_rom68k): Add declaration. * cpu32bug-rom.c (_initialize_cpu32bug_rom): Add declaration. * m68k-tdep.c (_initialize_m68k_tdep): Add declaration. * remote-est.c (_initialize_est): Add declaration. * m68hc11-tdep.c (_initialize_m68hc11_tdep): Add declaration. (m68hc11_call_dummy_address): Make static. * ia64-tdep.c: Make local functions static. (_initialize_ia64_tdep): Add declaration. * solib-legacy.c (_initialize_svr4_lm): Add declaration. * monitor.c (monitor_wait_filter): Make static. (_initialize_remote_monitors): Add declaration. * remote-hms.c (_initialize_remote_hms): Add declaration. * remote-e7000.c (fetch_regs_from_dump): Make static. (expect_n): Make static. (_initialize_remote_e7000): Add declaration. * ser-e7kpc.c: Always include "defs.h". (_initialize_ser_e7000pc): Add declaration. * h8300-tdep.c (_initialize_h8300_tdep): Add declaration. * cris-tdep.c: Make all but one function static. (_initialize_cris_tdep): Add declaration. * solib-svr4.c (_initialize_svr4_solib): Add declaration. * solib.c (update_solib_list): Make static. (_initialize_solib): Add declaration. * avr-tdep.c (avr_breakpoint_from_pc): Make static. (_initialize_avr_tdep): Add declaration. * remote-rdi.c (voiddummy): Make static. (_initialize_remote_rdi): Add declaration. * arm-tdep.c (_initialize_arm_tdep): Add declaration. * remote-rdp.c (send_rdp): Make static. (_initialize_remote_rdp): Add declaration. * alpha-tdep.c (_initialize_alpha_tdep): Add declaration.
2003-06-11 13:16:30 +00:00
static void
update_solib_list (int from_tty, struct target_ops *target)
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
{
2000-10-24 20:05:36 +00:00
struct so_list *inferior = TARGET_SO_CURRENT_SOS ();
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
struct so_list *gdb, **gdb_link;
1999-08-31 01:14:27 +00:00
/* If we are attaching to a running process for which we
have not opened a symbol file, we may be able to get its
symbols now! */
if (attach_flag &&
symfile_objfile == NULL)
catch_errors (TARGET_SO_OPEN_SYMBOL_FILE_OBJECT, &from_tty,
1999-08-31 01:14:27 +00:00
"Error reading attached process's symbol file.\n",
RETURN_MASK_ALL);
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
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/* Since this function might actually add some elements to the
so_list_head list, arrange for it to be cleaned up when
appropriate. */
if (!solib_cleanup_queued)
{
make_run_cleanup (do_clear_solib, NULL);
solib_cleanup_queued = 1;
}
1999-07-07 20:19:36 +00:00
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
/* GDB and the inferior's dynamic linker each maintain their own
list of currently loaded shared objects; we want to bring the
former in sync with the latter. Scan both lists, seeing which
shared objects appear where. There are three cases:
- A shared object appears on both lists. This means that GDB
knows about it already, and it's still loaded in the inferior.
Nothing needs to happen.
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
- A shared object appears only on GDB's list. This means that
the inferior has unloaded it. We should remove the shared
object from GDB's tables.
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
- A shared object appears only on the inferior's list. This
means that it's just been loaded. We should add it to GDB's
tables.
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
So we walk GDB's list, checking each entry to see if it appears
in the inferior's list too. If it does, no action is needed, and
we remove it from the inferior's list. If it doesn't, the
inferior has unloaded it, and we remove it from GDB's list. By
the time we're done walking GDB's list, the inferior's list
contains only the new shared objects, which we then add. */
gdb = so_list_head;
gdb_link = &so_list_head;
while (gdb)
{
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
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struct so_list *i = inferior;
struct so_list **i_link = &inferior;
/* Check to see whether the shared object *gdb also appears in
the inferior's current list. */
while (i)
{
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
if (! strcmp (gdb->so_original_name, i->so_original_name))
break;
i_link = &i->next;
i = *i_link;
}
1999-07-07 20:19:36 +00:00
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
/* If the shared object appears on the inferior's list too, then
it's still loaded, so we don't need to do anything. Delete
it from the inferior's list, and leave it on GDB's list. */
if (i)
{
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
*i_link = i->next;
free_so (i);
gdb_link = &gdb->next;
gdb = *gdb_link;
}
/* If it's not on the inferior's list, remove it from GDB's tables. */
else
{
*gdb_link = gdb->next;
/* Unless the user loaded it explicitly, free SO's objfile. */
if (gdb->objfile && ! (gdb->objfile->flags & OBJF_USERLOADED))
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
free_objfile (gdb->objfile);
/* Some targets' section tables might be referring to
sections from so->abfd; remove them. */
remove_target_sections (gdb->abfd);
free_so (gdb);
gdb = *gdb_link;
}
}
1999-07-07 20:19:36 +00:00
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
/* Now the inferior's list contains only shared objects that don't
appear in GDB's list --- those that are newly loaded. Add them
to GDB's shared object list. */
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
if (inferior)
{
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
struct so_list *i;
/* Add the new shared objects to GDB's list. */
*gdb_link = inferior;
/* Fill in the rest of each of the `struct so_list' nodes. */
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
for (i = inferior; i; i = i->next)
{
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
i->from_tty = from_tty;
/* Fill in the rest of the `struct so_list' node. */
catch_errors (solib_map_sections, i,
"Error while mapping shared library sections:\n",
RETURN_MASK_ALL);
/* If requested, add the shared object's sections to the TARGET's
section table. Do this immediately after mapping the object so
that later nodes in the list can query this object, as is needed
in solib-osf.c. */
if (target)
{
int count = (i->sections_end - i->sections);
if (count > 0)
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
{
int space = target_resize_to_sections (target, count);
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
memcpy (target->to_sections + space,
i->sections,
count * sizeof (i->sections[0]));
}
}
}
}
}
/* GLOBAL FUNCTION
solib_add -- read in symbol info for newly added shared libraries
SYNOPSIS
Approved by kev@cygnus.com ChangeLog entry: 2001-11-01 Fred Fish <fnf@redhat.com> * coff-solib.c (coff_solib_add): Add new readsyms arg. * irix5-nat.c (solib_add): Ditto. * osfsolib.c (solib_add): Ditto. * pa64solib.c (pa64_solib_add): Ditto. * pa64solib.c (add_to_solist): Ditto. * pa64solib.c (read_dld_descriptor): Ditto. * solib.c (solib_add): Ditto. * somsolib.c (som_solib_add): Ditto. * win32-nat.c (child_solib_add): Ditto. * xcoffsolib.c (solib_add): Ditto. * coff-solib.h (coff_solib_add): Add new readsyms arg to prototype. * pa64solib.c (add_to_solist): Ditto. * pa64solib.c (read_dld_descriptor): Ditto. * pa64solib.h (pa64_solib_add): Ditto. * solib.h (solib_add): Ditto. * somsolib.h (som_solib_add): Ditto. * config/i386/tm-cygwin.h (child_solib_add): Ditto. * coff-solib.c (coff_solib_add): If readsyms is zero don't read symbols but do any other needed work for shared libs. * irix5-nat.c: Ditto. * osfsolib.c (solib_add): Ditto. * solib.c (solib_add): Ditto. * win32-nat.c (child_solib_add): Ditto. * xcoffsolib.c (solib_add): Ditto. * irix5-nat.c (sharedlibrary_command): Pass 1 as readsyms to solib_add to force reading of shared library symbols. * osfsolib.c (sharedlibrary_command;): Ditto. * pa64solib.c (pa64_solib_sharedlibrary_command): Ditto. * solib.c (sharedlibrary_command): Ditto. * somsolib.c (som_solib_sharedlibrary_command): Ditto. * xcoffsolib.c (sharedlibrary_command): Ditto. * coff-solib.c (coff_solib_create_inferior_hook): Call solib_add unconditionally with auto_solib_add. * irix5-nat.c (solib_create_inferior_hook): Ditto. * osfsolib.c (solib_create_inferior_hook): Ditto. * solib.c (solib_create_inferior_hook): Ditto. * solib-osf.c (osf_solib_create_inferior_hook): Ditto. * solib-svr4.c (enable_break): Ditto. * solib-sunos.c (sunos_solib_create_inferior_hook): Ditto. * corelow.c (solib_add_stub): Add auto_solib_add to args passed via SOLIB_ADD. * sol-thread.c (sol_thread_attach): Ditto. * config/rs6000/nm-rs6000.h (SOLIB_ADD): Ditto. * infcmd.c (attach_command): Remove auto_solib_add decl. Call SOLIB_ADD directly with auto_solib_add. * infrun.c (handle_inferior_event): Ditto. * coff-solib.h (SOLIB_ADD): Add readsyms arg. * pa64solib.h (SOLIB_ADD): Ditto. * solib.h (SOLIB_ADD): Ditto. * somsolib.h (SOLIB_ADD): Ditto. * config/i386/tm-cygwin.h (SOLIB_ADD): Ditto. * fork-child.c (clone_and_follow_inferior): Remove unused auto_solib_add decl. * pa64solib.c (pa64_solib_add): Call add_to_solist with readsyms. (read_dld_descriptor): Ditto. (pa64_solib_add): Call read_dld_descriptor with readsyms. (pa64_solib_in_dynamic_linker): Ditto. * corelow.c (symfile.h): Need this for auto_solib_add declaration. * sol-thread.c (symfile.h): Ditto. Approved by eliz@is.elta.co.il doc/ChangeLog entry: 2001-11-01 Fred Fish <fnf@redhat.com> * gdbint.texinfo (SOLIB_ADD): Document additional new "readsyms" arg.
2001-11-01 16:17:08 +00:00
void solib_add (char *pattern, int from_tty, struct target_ops
*TARGET, int readsyms)
DESCRIPTION
Read in symbolic information for any shared objects whose names
match PATTERN. (If we've already read a shared object's symbol
info, leave it alone.) If PATTERN is zero, read them all.
Approved by kev@cygnus.com ChangeLog entry: 2001-11-01 Fred Fish <fnf@redhat.com> * coff-solib.c (coff_solib_add): Add new readsyms arg. * irix5-nat.c (solib_add): Ditto. * osfsolib.c (solib_add): Ditto. * pa64solib.c (pa64_solib_add): Ditto. * pa64solib.c (add_to_solist): Ditto. * pa64solib.c (read_dld_descriptor): Ditto. * solib.c (solib_add): Ditto. * somsolib.c (som_solib_add): Ditto. * win32-nat.c (child_solib_add): Ditto. * xcoffsolib.c (solib_add): Ditto. * coff-solib.h (coff_solib_add): Add new readsyms arg to prototype. * pa64solib.c (add_to_solist): Ditto. * pa64solib.c (read_dld_descriptor): Ditto. * pa64solib.h (pa64_solib_add): Ditto. * solib.h (solib_add): Ditto. * somsolib.h (som_solib_add): Ditto. * config/i386/tm-cygwin.h (child_solib_add): Ditto. * coff-solib.c (coff_solib_add): If readsyms is zero don't read symbols but do any other needed work for shared libs. * irix5-nat.c: Ditto. * osfsolib.c (solib_add): Ditto. * solib.c (solib_add): Ditto. * win32-nat.c (child_solib_add): Ditto. * xcoffsolib.c (solib_add): Ditto. * irix5-nat.c (sharedlibrary_command): Pass 1 as readsyms to solib_add to force reading of shared library symbols. * osfsolib.c (sharedlibrary_command;): Ditto. * pa64solib.c (pa64_solib_sharedlibrary_command): Ditto. * solib.c (sharedlibrary_command): Ditto. * somsolib.c (som_solib_sharedlibrary_command): Ditto. * xcoffsolib.c (sharedlibrary_command): Ditto. * coff-solib.c (coff_solib_create_inferior_hook): Call solib_add unconditionally with auto_solib_add. * irix5-nat.c (solib_create_inferior_hook): Ditto. * osfsolib.c (solib_create_inferior_hook): Ditto. * solib.c (solib_create_inferior_hook): Ditto. * solib-osf.c (osf_solib_create_inferior_hook): Ditto. * solib-svr4.c (enable_break): Ditto. * solib-sunos.c (sunos_solib_create_inferior_hook): Ditto. * corelow.c (solib_add_stub): Add auto_solib_add to args passed via SOLIB_ADD. * sol-thread.c (sol_thread_attach): Ditto. * config/rs6000/nm-rs6000.h (SOLIB_ADD): Ditto. * infcmd.c (attach_command): Remove auto_solib_add decl. Call SOLIB_ADD directly with auto_solib_add. * infrun.c (handle_inferior_event): Ditto. * coff-solib.h (SOLIB_ADD): Add readsyms arg. * pa64solib.h (SOLIB_ADD): Ditto. * solib.h (SOLIB_ADD): Ditto. * somsolib.h (SOLIB_ADD): Ditto. * config/i386/tm-cygwin.h (SOLIB_ADD): Ditto. * fork-child.c (clone_and_follow_inferior): Remove unused auto_solib_add decl. * pa64solib.c (pa64_solib_add): Call add_to_solist with readsyms. (read_dld_descriptor): Ditto. (pa64_solib_add): Call read_dld_descriptor with readsyms. (pa64_solib_in_dynamic_linker): Ditto. * corelow.c (symfile.h): Need this for auto_solib_add declaration. * sol-thread.c (symfile.h): Ditto. Approved by eliz@is.elta.co.il doc/ChangeLog entry: 2001-11-01 Fred Fish <fnf@redhat.com> * gdbint.texinfo (SOLIB_ADD): Document additional new "readsyms" arg.
2001-11-01 16:17:08 +00:00
If READSYMS is 0, defer reading symbolic information until later
but still do any needed low level processing.
FROM_TTY and TARGET are as described for update_solib_list, above. */
void
Approved by kev@cygnus.com ChangeLog entry: 2001-11-01 Fred Fish <fnf@redhat.com> * coff-solib.c (coff_solib_add): Add new readsyms arg. * irix5-nat.c (solib_add): Ditto. * osfsolib.c (solib_add): Ditto. * pa64solib.c (pa64_solib_add): Ditto. * pa64solib.c (add_to_solist): Ditto. * pa64solib.c (read_dld_descriptor): Ditto. * solib.c (solib_add): Ditto. * somsolib.c (som_solib_add): Ditto. * win32-nat.c (child_solib_add): Ditto. * xcoffsolib.c (solib_add): Ditto. * coff-solib.h (coff_solib_add): Add new readsyms arg to prototype. * pa64solib.c (add_to_solist): Ditto. * pa64solib.c (read_dld_descriptor): Ditto. * pa64solib.h (pa64_solib_add): Ditto. * solib.h (solib_add): Ditto. * somsolib.h (som_solib_add): Ditto. * config/i386/tm-cygwin.h (child_solib_add): Ditto. * coff-solib.c (coff_solib_add): If readsyms is zero don't read symbols but do any other needed work for shared libs. * irix5-nat.c: Ditto. * osfsolib.c (solib_add): Ditto. * solib.c (solib_add): Ditto. * win32-nat.c (child_solib_add): Ditto. * xcoffsolib.c (solib_add): Ditto. * irix5-nat.c (sharedlibrary_command): Pass 1 as readsyms to solib_add to force reading of shared library symbols. * osfsolib.c (sharedlibrary_command;): Ditto. * pa64solib.c (pa64_solib_sharedlibrary_command): Ditto. * solib.c (sharedlibrary_command): Ditto. * somsolib.c (som_solib_sharedlibrary_command): Ditto. * xcoffsolib.c (sharedlibrary_command): Ditto. * coff-solib.c (coff_solib_create_inferior_hook): Call solib_add unconditionally with auto_solib_add. * irix5-nat.c (solib_create_inferior_hook): Ditto. * osfsolib.c (solib_create_inferior_hook): Ditto. * solib.c (solib_create_inferior_hook): Ditto. * solib-osf.c (osf_solib_create_inferior_hook): Ditto. * solib-svr4.c (enable_break): Ditto. * solib-sunos.c (sunos_solib_create_inferior_hook): Ditto. * corelow.c (solib_add_stub): Add auto_solib_add to args passed via SOLIB_ADD. * sol-thread.c (sol_thread_attach): Ditto. * config/rs6000/nm-rs6000.h (SOLIB_ADD): Ditto. * infcmd.c (attach_command): Remove auto_solib_add decl. Call SOLIB_ADD directly with auto_solib_add. * infrun.c (handle_inferior_event): Ditto. * coff-solib.h (SOLIB_ADD): Add readsyms arg. * pa64solib.h (SOLIB_ADD): Ditto. * solib.h (SOLIB_ADD): Ditto. * somsolib.h (SOLIB_ADD): Ditto. * config/i386/tm-cygwin.h (SOLIB_ADD): Ditto. * fork-child.c (clone_and_follow_inferior): Remove unused auto_solib_add decl. * pa64solib.c (pa64_solib_add): Call add_to_solist with readsyms. (read_dld_descriptor): Ditto. (pa64_solib_add): Call read_dld_descriptor with readsyms. (pa64_solib_in_dynamic_linker): Ditto. * corelow.c (symfile.h): Need this for auto_solib_add declaration. * sol-thread.c (symfile.h): Ditto. Approved by eliz@is.elta.co.il doc/ChangeLog entry: 2001-11-01 Fred Fish <fnf@redhat.com> * gdbint.texinfo (SOLIB_ADD): Document additional new "readsyms" arg.
2001-11-01 16:17:08 +00:00
solib_add (char *pattern, int from_tty, struct target_ops *target, int readsyms)
{
struct so_list *gdb;
if (pattern)
{
char *re_err = re_comp (pattern);
if (re_err)
error ("Invalid regexp: %s", re_err);
}
update_solib_list (from_tty, target);
/* Walk the list of currently loaded shared libraries, and read
symbols for any that match the pattern --- or any whose symbols
aren't already loaded, if no pattern was given. */
{
int any_matches = 0;
int loaded_any_symbols = 0;
for (gdb = so_list_head; gdb; gdb = gdb->next)
if (! pattern || re_exec (gdb->so_name))
{
any_matches = 1;
if (gdb->symbols_loaded)
{
if (from_tty)
printf_unfiltered ("Symbols already loaded for %s\n",
gdb->so_name);
}
Approved by kev@cygnus.com ChangeLog entry: 2001-11-01 Fred Fish <fnf@redhat.com> * coff-solib.c (coff_solib_add): Add new readsyms arg. * irix5-nat.c (solib_add): Ditto. * osfsolib.c (solib_add): Ditto. * pa64solib.c (pa64_solib_add): Ditto. * pa64solib.c (add_to_solist): Ditto. * pa64solib.c (read_dld_descriptor): Ditto. * solib.c (solib_add): Ditto. * somsolib.c (som_solib_add): Ditto. * win32-nat.c (child_solib_add): Ditto. * xcoffsolib.c (solib_add): Ditto. * coff-solib.h (coff_solib_add): Add new readsyms arg to prototype. * pa64solib.c (add_to_solist): Ditto. * pa64solib.c (read_dld_descriptor): Ditto. * pa64solib.h (pa64_solib_add): Ditto. * solib.h (solib_add): Ditto. * somsolib.h (som_solib_add): Ditto. * config/i386/tm-cygwin.h (child_solib_add): Ditto. * coff-solib.c (coff_solib_add): If readsyms is zero don't read symbols but do any other needed work for shared libs. * irix5-nat.c: Ditto. * osfsolib.c (solib_add): Ditto. * solib.c (solib_add): Ditto. * win32-nat.c (child_solib_add): Ditto. * xcoffsolib.c (solib_add): Ditto. * irix5-nat.c (sharedlibrary_command): Pass 1 as readsyms to solib_add to force reading of shared library symbols. * osfsolib.c (sharedlibrary_command;): Ditto. * pa64solib.c (pa64_solib_sharedlibrary_command): Ditto. * solib.c (sharedlibrary_command): Ditto. * somsolib.c (som_solib_sharedlibrary_command): Ditto. * xcoffsolib.c (sharedlibrary_command): Ditto. * coff-solib.c (coff_solib_create_inferior_hook): Call solib_add unconditionally with auto_solib_add. * irix5-nat.c (solib_create_inferior_hook): Ditto. * osfsolib.c (solib_create_inferior_hook): Ditto. * solib.c (solib_create_inferior_hook): Ditto. * solib-osf.c (osf_solib_create_inferior_hook): Ditto. * solib-svr4.c (enable_break): Ditto. * solib-sunos.c (sunos_solib_create_inferior_hook): Ditto. * corelow.c (solib_add_stub): Add auto_solib_add to args passed via SOLIB_ADD. * sol-thread.c (sol_thread_attach): Ditto. * config/rs6000/nm-rs6000.h (SOLIB_ADD): Ditto. * infcmd.c (attach_command): Remove auto_solib_add decl. Call SOLIB_ADD directly with auto_solib_add. * infrun.c (handle_inferior_event): Ditto. * coff-solib.h (SOLIB_ADD): Add readsyms arg. * pa64solib.h (SOLIB_ADD): Ditto. * solib.h (SOLIB_ADD): Ditto. * somsolib.h (SOLIB_ADD): Ditto. * config/i386/tm-cygwin.h (SOLIB_ADD): Ditto. * fork-child.c (clone_and_follow_inferior): Remove unused auto_solib_add decl. * pa64solib.c (pa64_solib_add): Call add_to_solist with readsyms. (read_dld_descriptor): Ditto. (pa64_solib_add): Call read_dld_descriptor with readsyms. (pa64_solib_in_dynamic_linker): Ditto. * corelow.c (symfile.h): Need this for auto_solib_add declaration. * sol-thread.c (symfile.h): Ditto. Approved by eliz@is.elta.co.il doc/ChangeLog entry: 2001-11-01 Fred Fish <fnf@redhat.com> * gdbint.texinfo (SOLIB_ADD): Document additional new "readsyms" arg.
2001-11-01 16:17:08 +00:00
else if (readsyms)
{
if (catch_errors
(symbol_add_stub, gdb,
"Error while reading shared library symbols:\n",
RETURN_MASK_ALL))
{
if (from_tty)
printf_unfiltered ("Loaded symbols for %s\n",
gdb->so_name);
gdb->symbols_loaded = 1;
loaded_any_symbols = 1;
}
}
}
if (from_tty && pattern && ! any_matches)
printf_unfiltered
("No loaded shared libraries match the pattern `%s'.\n", pattern);
if (loaded_any_symbols)
{
/* Getting new symbols may change our opinion about what is
frameless. */
reinit_frame_cache ();
2000-10-24 20:05:36 +00:00
TARGET_SO_SPECIAL_SYMBOL_HANDLING ();
}
}
}
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
/*
1999-07-07 20:19:36 +00:00
LOCAL FUNCTION
1999-07-07 20:19:36 +00:00
info_sharedlibrary_command -- code for "info sharedlibrary"
1999-07-07 20:19:36 +00:00
SYNOPSIS
1999-07-07 20:19:36 +00:00
static void info_sharedlibrary_command ()
1999-07-07 20:19:36 +00:00
DESCRIPTION
1999-07-07 20:19:36 +00:00
Walk through the shared library list and print information
about each attached library.
*/
static void
2000-07-30 01:48:28 +00:00
info_sharedlibrary_command (char *ignore, int from_tty)
{
struct so_list *so = NULL; /* link map state variable */
int header_done = 0;
int addr_width;
char *addr_fmt;
if (TARGET_PTR_BIT == 32)
{
addr_width = 8 + 4;
addr_fmt = "08l";
}
else if (TARGET_PTR_BIT == 64)
{
addr_width = 16 + 4;
addr_fmt = "016l";
}
else
{
internal_error (__FILE__, __LINE__,
"TARGET_PTR_BIT returned unknown size %d",
TARGET_PTR_BIT);
}
update_solib_list (from_tty, 0);
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
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for (so = so_list_head; so; so = so->next)
{
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if (so->so_name[0])
{
if (!header_done)
{
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printf_unfiltered ("%-*s%-*s%-12s%s\n", addr_width, "From",
addr_width, "To", "Syms Read",
"Shared Object Library");
header_done++;
}
printf_unfiltered ("%-*s", addr_width,
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so->textsection != NULL
? local_hex_string_custom (
(LONGEST) so->textsection->addr,
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addr_fmt)
: "");
printf_unfiltered ("%-*s", addr_width,
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so->textsection != NULL
? local_hex_string_custom (
(LONGEST) so->textsection->endaddr,
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addr_fmt)
: "");
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printf_unfiltered ("%-12s", so->symbols_loaded ? "Yes" : "No");
printf_unfiltered ("%s\n", so->so_name);
}
}
if (so_list_head == NULL)
{
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printf_unfiltered ("No shared libraries loaded at this time.\n");
}
}
/*
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GLOBAL FUNCTION
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solib_address -- check to see if an address is in a shared lib
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SYNOPSIS
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char * solib_address (CORE_ADDR address)
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DESCRIPTION
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Provides a hook for other gdb routines to discover whether or
not a particular address is within the mapped address space of
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a shared library.
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For example, this routine is called at one point to disable
breakpoints which are in shared libraries that are not currently
mapped in.
*/
char *
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solib_address (CORE_ADDR address)
{
struct so_list *so = 0; /* link map state variable */
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Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
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for (so = so_list_head; so; so = so->next)
{
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struct section_table *p;
for (p = so->sections; p < so->sections_end; p++)
{
if (p->addr <= address && address < p->endaddr)
return (so->so_name);
}
}
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
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return (0);
}
/* Called by free_all_symtabs */
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void
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clear_solib (void)
{
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/* This function is expected to handle ELF shared libraries. It is
also used on Solaris, which can run either ELF or a.out binaries
(for compatibility with SunOS 4), both of which can use shared
libraries. So we don't know whether we have an ELF executable or
an a.out executable until the user chooses an executable file.
ELF shared libraries don't get mapped into the address space
until after the program starts, so we'd better not try to insert
breakpoints in them immediately. We have to wait until the
dynamic linker has loaded them; we'll hit a bp_shlib_event
breakpoint (look for calls to create_solib_event_breakpoint) when
it's ready.
SunOS shared libraries seem to be different --- they're present
as soon as the process begins execution, so there's no need to
put off inserting breakpoints. There's also nowhere to put a
bp_shlib_event breakpoint, so if we put it off, we'll never get
around to it.
So: disable breakpoints only if we're using ELF shared libs. */
if (exec_bfd != NULL
&& bfd_get_flavour (exec_bfd) != bfd_target_aout_flavour)
disable_breakpoints_in_shlibs (1);
while (so_list_head)
{
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
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struct so_list *so = so_list_head;
so_list_head = so->next;
if (so->abfd)
remove_target_sections (so->abfd);
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
free_so (so);
}
Deal with the inferior unloading shared objects. * solib.c (current_sos): New function, replacing find_solib. (find_solib): Deleted. (free_so): New function. (clear_solib): Call free_so, instead of writing it out. (solib_add): Rewritten: compare the inferior's current list of shared objects with GDB's list, and do the required loads and unloads. (info_sharedlibrary_command, solib_address): Don't use find_solib to walk the list of shared libraries: call solib_add, and then walk the list at so_list_head normally. * objfiles.c (free_objfile): Don't call CLEAR_SOLIB, and don't detach the core target. These tasks are taken care of elsewhere. * target.c (remove_target_sections): New function. * target.h (remove_target_sections): New declaration. * solib.c (symbol_add_stub): Check whether we've already created an objfile for this shared object first, before doing all that work to compute section addresses, etc. * objfiles.c (unlink_objfile): Report an internal error if objfile doesn't occur in the object_files list. * solib.c (special_symbol_handling): Delete argument; it's not used. * solib.c (SOLIB_EXTRACT_ADDRESS): New macro to extract addresses from solib structures. Use it throughout solib.c, get rid of all CORE_ADDR casts. (struct so_list): Change type of lmaddr to CORE_ADDR. (first_link_map_member): Change return value type to CORE_ADDR, update callers. (solib_add_common_symbols): Change parameter type to CORE_ADDR, update callers. (open_symbol_file_object, find_solib): Change type of lm variable to CORE_ADDR.
2000-03-15 16:55:07 +00:00
2000-10-24 20:05:36 +00:00
TARGET_SO_CLEAR_SOLIB ();
}
static void
do_clear_solib (void *dummy)
{
solib_cleanup_queued = 0;
clear_solib ();
}
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/* GLOBAL FUNCTION
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solib_create_inferior_hook -- shared library startup support
SYNOPSIS
void solib_create_inferior_hook()
DESCRIPTION
When gdb starts up the inferior, it nurses it along (through the
shell) until it is ready to execute it's first instruction. At this
point, this function gets called via expansion of the macro
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SOLIB_CREATE_INFERIOR_HOOK. */
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void
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solib_create_inferior_hook (void)
{
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TARGET_SO_SOLIB_CREATE_INFERIOR_HOOK ();
}
/* GLOBAL FUNCTION
in_solib_dynsym_resolve_code -- check to see if an address is in
dynamic loader's dynamic symbol
resolution code
SYNOPSIS
int in_solib_dynsym_resolve_code (CORE_ADDR pc)
DESCRIPTION
Determine if PC is in the dynamic linker's symbol resolution
code. Return 1 if so, 0 otherwise.
*/
int
in_solib_dynsym_resolve_code (CORE_ADDR pc)
{
return TARGET_SO_IN_DYNSYM_RESOLVE_CODE (pc);
}
/*
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LOCAL FUNCTION
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sharedlibrary_command -- handle command to explicitly add library
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SYNOPSIS
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static void sharedlibrary_command (char *args, int from_tty)
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DESCRIPTION
1999-07-07 20:19:36 +00:00
*/
static void
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sharedlibrary_command (char *args, int from_tty)
{
dont_repeat ();
Approved by kev@cygnus.com ChangeLog entry: 2001-11-01 Fred Fish <fnf@redhat.com> * coff-solib.c (coff_solib_add): Add new readsyms arg. * irix5-nat.c (solib_add): Ditto. * osfsolib.c (solib_add): Ditto. * pa64solib.c (pa64_solib_add): Ditto. * pa64solib.c (add_to_solist): Ditto. * pa64solib.c (read_dld_descriptor): Ditto. * solib.c (solib_add): Ditto. * somsolib.c (som_solib_add): Ditto. * win32-nat.c (child_solib_add): Ditto. * xcoffsolib.c (solib_add): Ditto. * coff-solib.h (coff_solib_add): Add new readsyms arg to prototype. * pa64solib.c (add_to_solist): Ditto. * pa64solib.c (read_dld_descriptor): Ditto. * pa64solib.h (pa64_solib_add): Ditto. * solib.h (solib_add): Ditto. * somsolib.h (som_solib_add): Ditto. * config/i386/tm-cygwin.h (child_solib_add): Ditto. * coff-solib.c (coff_solib_add): If readsyms is zero don't read symbols but do any other needed work for shared libs. * irix5-nat.c: Ditto. * osfsolib.c (solib_add): Ditto. * solib.c (solib_add): Ditto. * win32-nat.c (child_solib_add): Ditto. * xcoffsolib.c (solib_add): Ditto. * irix5-nat.c (sharedlibrary_command): Pass 1 as readsyms to solib_add to force reading of shared library symbols. * osfsolib.c (sharedlibrary_command;): Ditto. * pa64solib.c (pa64_solib_sharedlibrary_command): Ditto. * solib.c (sharedlibrary_command): Ditto. * somsolib.c (som_solib_sharedlibrary_command): Ditto. * xcoffsolib.c (sharedlibrary_command): Ditto. * coff-solib.c (coff_solib_create_inferior_hook): Call solib_add unconditionally with auto_solib_add. * irix5-nat.c (solib_create_inferior_hook): Ditto. * osfsolib.c (solib_create_inferior_hook): Ditto. * solib.c (solib_create_inferior_hook): Ditto. * solib-osf.c (osf_solib_create_inferior_hook): Ditto. * solib-svr4.c (enable_break): Ditto. * solib-sunos.c (sunos_solib_create_inferior_hook): Ditto. * corelow.c (solib_add_stub): Add auto_solib_add to args passed via SOLIB_ADD. * sol-thread.c (sol_thread_attach): Ditto. * config/rs6000/nm-rs6000.h (SOLIB_ADD): Ditto. * infcmd.c (attach_command): Remove auto_solib_add decl. Call SOLIB_ADD directly with auto_solib_add. * infrun.c (handle_inferior_event): Ditto. * coff-solib.h (SOLIB_ADD): Add readsyms arg. * pa64solib.h (SOLIB_ADD): Ditto. * solib.h (SOLIB_ADD): Ditto. * somsolib.h (SOLIB_ADD): Ditto. * config/i386/tm-cygwin.h (SOLIB_ADD): Ditto. * fork-child.c (clone_and_follow_inferior): Remove unused auto_solib_add decl. * pa64solib.c (pa64_solib_add): Call add_to_solist with readsyms. (read_dld_descriptor): Ditto. (pa64_solib_add): Call read_dld_descriptor with readsyms. (pa64_solib_in_dynamic_linker): Ditto. * corelow.c (symfile.h): Need this for auto_solib_add declaration. * sol-thread.c (symfile.h): Ditto. Approved by eliz@is.elta.co.il doc/ChangeLog entry: 2001-11-01 Fred Fish <fnf@redhat.com> * gdbint.texinfo (SOLIB_ADD): Document additional new "readsyms" arg.
2001-11-01 16:17:08 +00:00
solib_add (args, from_tty, (struct target_ops *) 0, 1);
}
/* LOCAL FUNCTION
no_shared_libraries -- handle command to explicitly discard symbols
from shared libraries.
DESCRIPTION
Implements the command "nosharedlibrary", which discards symbols
that have been auto-loaded from shared libraries. Symbols from
shared libraries that were added by explicit request of the user
are not discarded. Also called from remote.c. */
void
no_shared_libraries (char *ignored, int from_tty)
{
objfile_purge_solibs ();
do_clear_solib (NULL);
}
static void
reload_shared_libraries (char *ignored, int from_tty)
{
no_shared_libraries (NULL, from_tty);
solib_add (NULL, from_tty, NULL, auto_solib_add);
}
2003-06-11 Andrew Cagney <cagney@redhat.com> * xstormy16-tdep.c (xstormy16_push_return_address): Make static. (xstormy16_save_dummy_frame_tos): Make static. (_initialize_xstormy16_tdep): Add declaration. * vax-tdep.c (_initialize_vax_tdep): Add declaration. * v850-tdep.c: Make local functions static. (_initialize_v850_tdep): Add declaration. * sparc-tdep.c: Make local functions static. (_initialize_sparc_tdep): Add declaration. * sh-tdep.c: Make local functions static. (_initialize_sh_tdep): Add declaration. * sh3-rom.c (_initialize_sh3_rom): Add declaration. * s390-tdep.c: Make local functions static. (_initialize_s390_tdep): Add declaration. * dbxread.c (find_stab_function_addr): Make static. * ppc-bdm.c (_initialize_bdm_ppc): Add declaration. * ocd.c (_initialize_remote_ocd): Add declaration. * dink32-rom.c (_initialize_dink32_rom): Add declaration. * ppcbug-rom.c (_initialize_ppcbug_rom): Add declaration. * ns32k-tdep.c (_initialize_ns32k_tdep): Add declaration. * ns32knbsd-tdep.c (_initialize_ns32knbsd_tdep): Add declaration. * mips-tdep.c (_initialize_mips_tdep): Add declaration. * remote-array.c (_initialize_array): Add declaration. (_initialize_remote_monitors): Add declaration. * remote-mips.c: Make local functions static. (_initialize_remote_mips): Add declaration. * mcore-tdep.c: Make all local functions static. (_initialize_mcore_tdep): Add declaration. * dbug-rom.c (_initialize_dbug_rom): Add declaration. * abug-rom.c (_initialize_abug_rom): Add declaration. * rom68k-rom.c (_initialize_rom68k): Add declaration. * cpu32bug-rom.c (_initialize_cpu32bug_rom): Add declaration. * m68k-tdep.c (_initialize_m68k_tdep): Add declaration. * remote-est.c (_initialize_est): Add declaration. * m68hc11-tdep.c (_initialize_m68hc11_tdep): Add declaration. (m68hc11_call_dummy_address): Make static. * ia64-tdep.c: Make local functions static. (_initialize_ia64_tdep): Add declaration. * solib-legacy.c (_initialize_svr4_lm): Add declaration. * monitor.c (monitor_wait_filter): Make static. (_initialize_remote_monitors): Add declaration. * remote-hms.c (_initialize_remote_hms): Add declaration. * remote-e7000.c (fetch_regs_from_dump): Make static. (expect_n): Make static. (_initialize_remote_e7000): Add declaration. * ser-e7kpc.c: Always include "defs.h". (_initialize_ser_e7000pc): Add declaration. * h8300-tdep.c (_initialize_h8300_tdep): Add declaration. * cris-tdep.c: Make all but one function static. (_initialize_cris_tdep): Add declaration. * solib-svr4.c (_initialize_svr4_solib): Add declaration. * solib.c (update_solib_list): Make static. (_initialize_solib): Add declaration. * avr-tdep.c (avr_breakpoint_from_pc): Make static. (_initialize_avr_tdep): Add declaration. * remote-rdi.c (voiddummy): Make static. (_initialize_remote_rdi): Add declaration. * arm-tdep.c (_initialize_arm_tdep): Add declaration. * remote-rdp.c (send_rdp): Make static. (_initialize_remote_rdp): Add declaration. * alpha-tdep.c (_initialize_alpha_tdep): Add declaration.
2003-06-11 13:16:30 +00:00
extern initialize_file_ftype _initialize_solib; /* -Wmissing-prototypes */
void
2000-07-30 01:48:28 +00:00
_initialize_solib (void)
{
struct cmd_list_element *c;
add_com ("sharedlibrary", class_files, sharedlibrary_command,
"Load shared object library symbols for files matching REGEXP.");
1999-07-07 20:19:36 +00:00
add_info ("sharedlibrary", info_sharedlibrary_command,
"Status of loaded shared object libraries.");
add_com ("nosharedlibrary", class_files, no_shared_libraries,
2001-04-17 23:22:52 +00:00
"Unload all shared object library symbols.");
add_show_from_set
Changes approved by kev@cygnus.com, ezannoni@cygnus.com, eliz@is.elta.co.il. Changelog: 2001-10-27 Fred Fish <fnf@redhat.com> * symfile.c (auto_solib_add): Update comment to note that this variable is now just used as a boolean to control shlib autoloading, and clarify when it is used. * symfile.h (auto_solib_add): Ditto. * symfile.c (auto_solib_limit): New variable that holds the autoloading threshold instead of overloading auto_solib_add. * symfile.h (auto_solib_limit): Ditto. * irix5-nat.c (_initialize_solib): Change auto-solib-add variable from var_zinteger to var_boolean and update help. * osfsolib.c (_initialize_solib): Ditto. * pa64solib.c (_initialize_pa64_solib): Ditto. * solib.c (_initialize_solib): Ditto. * somsolib.c (_initialize_som_solib): Ditto. * xcoffsolib.c (_initialize_solib): Ditto. * pa64solib.c (pa64_solib_total_st_size): Update comment to note that the new auto_solib_limit variable is used instead of overloading auto_solib_add variable. (_initialize_pa64_solib): Ditto. * somsolib.c (som_solib_total_st_size): Ditto. (_initialize_som_solib): Ditto. * pa64solib.c (_initialize_pa64_solib): Add new set/show commands for auto-solib-limit variable. * somsolib.c (_initialize_som_solib): Ditto * pa64solib.c (add_to_solist): Check that auto_solib_add is set and use auto_solib_limit as the threshold size instead of auto_solib_add. * somsolib.c (som_solib_add): Ditto, and also change warning text about size threshold exceeded. doc/ChangeLog: 2001-10-28 Fred Fish <fnf@redhat.com> * gdb.texinfo (auto-solib-add): Change docs to match implementation change. (auto-solib-limit): Add docs for new variable.
2001-10-30 04:05:36 +00:00
(add_set_cmd ("auto-solib-add", class_support, var_boolean,
(char *) &auto_solib_add,
"Set autoloading of shared library symbols.\n\
Changes approved by kev@cygnus.com, ezannoni@cygnus.com, eliz@is.elta.co.il. Changelog: 2001-10-27 Fred Fish <fnf@redhat.com> * symfile.c (auto_solib_add): Update comment to note that this variable is now just used as a boolean to control shlib autoloading, and clarify when it is used. * symfile.h (auto_solib_add): Ditto. * symfile.c (auto_solib_limit): New variable that holds the autoloading threshold instead of overloading auto_solib_add. * symfile.h (auto_solib_limit): Ditto. * irix5-nat.c (_initialize_solib): Change auto-solib-add variable from var_zinteger to var_boolean and update help. * osfsolib.c (_initialize_solib): Ditto. * pa64solib.c (_initialize_pa64_solib): Ditto. * solib.c (_initialize_solib): Ditto. * somsolib.c (_initialize_som_solib): Ditto. * xcoffsolib.c (_initialize_solib): Ditto. * pa64solib.c (pa64_solib_total_st_size): Update comment to note that the new auto_solib_limit variable is used instead of overloading auto_solib_add variable. (_initialize_pa64_solib): Ditto. * somsolib.c (som_solib_total_st_size): Ditto. (_initialize_som_solib): Ditto. * pa64solib.c (_initialize_pa64_solib): Add new set/show commands for auto-solib-limit variable. * somsolib.c (_initialize_som_solib): Ditto * pa64solib.c (add_to_solist): Check that auto_solib_add is set and use auto_solib_limit as the threshold size instead of auto_solib_add. * somsolib.c (som_solib_add): Ditto, and also change warning text about size threshold exceeded. doc/ChangeLog: 2001-10-28 Fred Fish <fnf@redhat.com> * gdb.texinfo (auto-solib-add): Change docs to match implementation change. (auto-solib-limit): Add docs for new variable.
2001-10-30 04:05:36 +00:00
If \"on\", symbols from all shared object libraries will be loaded\n\
automatically when the inferior begins execution, when the dynamic linker\n\
informs gdb that a new library has been loaded, or when attaching to the\n\
inferior. Otherwise, symbols must be loaded manually, using `sharedlibrary'.",
&setlist),
&showlist);
c = add_set_cmd ("solib-absolute-prefix", class_support, var_filename,
(char *) &solib_absolute_prefix,
"Set prefix for loading absolute shared library symbol files.\n\
For other (relative) files, you can add values using `set solib-search-path'.",
&setlist);
add_show_from_set (c, &showlist);
set_cmd_cfunc (c, reload_shared_libraries);
set_cmd_completer (c, filename_completer);
/* Set the default value of "solib-absolute-prefix" from the sysroot, if
one is set. */
solib_absolute_prefix = xstrdup (gdb_sysroot);
c = add_set_cmd ("solib-search-path", class_support, var_string,
(char *) &solib_search_path,
"Set the search path for loading non-absolute shared library symbol files.\n\
This takes precedence over the environment variables PATH and LD_LIBRARY_PATH.",
&setlist);
add_show_from_set (c, &showlist);
set_cmd_cfunc (c, reload_shared_libraries);
set_cmd_completer (c, filename_completer);
}