/* 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.
+ 1999, 2000, 2001, 2002, 2003, 2005
+ Free Software Foundation, Inc.
This file is part of GDB.
#include "bfd.h"
#include "symfile.h"
#include "objfiles.h"
+#include "exceptions.h"
#include "gdbcore.h"
#include "command.h"
#include "target.h"
#include "filenames.h" /* for DOSish file names */
#include "exec.h"
#include "solist.h"
-#include <readline/readline.h>
+#include "observer.h"
+#include "readline/readline.h"
/* external data declarations */
/* 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);
+ found_file = openp (solib_search_path, OPF_TRY_CWD_FIRST,
+ 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,
+ found_file = openp (solib_search_path, OPF_TRY_CWD_FIRST,
+ lbasename (in_pathname), O_RDONLY, 0,
&temp_pathname);
/* If not found, try to use target supplied solib search method */
/* 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);
+ OPF_TRY_CWD_FIRST, 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);
+ OPF_TRY_CWD_FIRST, in_pathname, O_RDONLY, 0,
+ &temp_pathname);
/* Done. If not found, tough luck. Return found_file and
(optionally) found_pathname. */
/* Leave bfd open, core_xfer_memory and "info files" need it. */
so->abfd = abfd;
- abfd->cacheable = 1;
+ bfd_set_cacheable (abfd, 1);
/* copy full path name into so_name, so that later symbol_file_add
can find it */
object's file by the base address to which the object was actually
mapped. */
TARGET_SO_RELOCATE_SECTION_ADDRESSES (so, p);
- if (STREQ (p->the_bfd_section->name, ".text"))
+ if (strcmp (p->the_bfd_section->name, ".text") == 0)
{
so->textsection = p;
}
}
+/* Return address of first so_list entry in master shared object list. */
+struct so_list *
+master_so_list (void)
+{
+ return so_list_head;
+}
+
+
/* A small stub to get us past the arg-passing pinhole of catch_errors. */
static int
return (1);
}
+/* Read in symbols for shared object SO. If FROM_TTY is non-zero, be
+ chatty about it. Return non-zero if any symbols were actually
+ loaded. */
+
+int
+solib_read_symbols (struct so_list *so, int from_tty)
+{
+ if (so->symbols_loaded)
+ {
+ if (from_tty)
+ printf_unfiltered ("Symbols already loaded for %s\n", so->so_name);
+ }
+ else
+ {
+ if (catch_errors (symbol_add_stub, so,
+ "Error while reading shared library symbols:\n",
+ RETURN_MASK_ALL))
+ {
+ if (from_tty)
+ printf_unfiltered ("Loaded symbols for %s\n", so->so_name);
+ so->symbols_loaded = 1;
+ return 1;
+ }
+ }
+
+ return 0;
+}
/* LOCAL FUNCTION
/* If it's not on the inferior's list, remove it from GDB's tables. */
else
{
+ /* Notify any observer that the shared object has been
+ unloaded before we remove it from GDB's tables. */
+ observer_notify_solib_unloaded (gdb);
+
*gdb_link = gdb->next;
/* Unless the user loaded it explicitly, free SO's objfile. */
count * sizeof (i->sections[0]));
}
}
+
+ /* Notify any observer that the shared object has been
+ loaded now that we've added it to GDB's tables. */
+ observer_notify_solib_loaded (i);
}
}
}
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);
- }
- 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 (readsyms && solib_read_symbols (gdb, from_tty))
+ loaded_any_symbols = 1;
}
if (from_tty && pattern && ! any_matches)
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";
- }
+ addr_width = 8 + 4;
else if (TARGET_PTR_BIT == 64)
- {
- addr_width = 16 + 4;
- addr_fmt = "016l";
- }
+ addr_width = 16 + 4;
else
{
internal_error (__FILE__, __LINE__,
printf_unfiltered ("%-*s", addr_width,
so->textsection != NULL
- ? local_hex_string_custom (
+ ? hex_string_custom (
(LONGEST) so->textsection->addr,
- addr_fmt)
+ addr_width - 4)
: "");
printf_unfiltered ("%-*s", addr_width,
so->textsection != NULL
- ? local_hex_string_custom (
+ ? hex_string_custom (
(LONGEST) so->textsection->endaddr,
- addr_fmt)
+ addr_width - 4)
: "");
printf_unfiltered ("%-12s", so->symbols_loaded ? "Yes" : "No");
printf_unfiltered ("%s\n", so->so_name);
SYNOPSIS
- void solib_create_inferior_hook()
+ void solib_create_inferior_hook ()
DESCRIPTION
add_com ("nosharedlibrary", class_files, no_shared_libraries,
"Unload all shared object library symbols.");
- add_show_from_set
+ deprecated_add_show_from_set
(add_set_cmd ("auto-solib-add", class_support, var_boolean,
(char *) &auto_solib_add,
"Set autoloading of shared library symbols.\n\
"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);
+ deprecated_add_show_from_set (c, &showlist);
set_cmd_cfunc (c, reload_shared_libraries);
set_cmd_completer (c, filename_completer);
"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);
+ deprecated_add_show_from_set (c, &showlist);
set_cmd_cfunc (c, reload_shared_libraries);
set_cmd_completer (c, filename_completer);
}
projects / deliverable / binutils-gdb.git / blobdiff