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New option "set print symbol-loading".

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* NEWS: Mention it.
	* solib.c (solib_read_symbols): Only print symbol loading messages
	if requested.
	(solib_add): If symbol loading is in "brief" mode, notify user
	symbols are being loaded.
	(reload_shared_libraries_1): Ditto.
	* symfile.c (print_symbol_loading_off): New static global.
	(print_symbol_loading_brief): New static global.
	(print_symbol_loading_full): New static global.
	(print_symbol_loading_enums): New static global.
	(print_symbol_loading): New static global.
	(print_symbol_loading_p): New function.
	(symbol_file_add_with_addrs): Only print symbol loading messages
	if requested.
	(_initialize_symfile): Register "print symbol-loading" set/show
	command.
	* symfile.h (print_symbol_loading_p): Declare.

	doc/
	* gdb.texinfo (Symbols): Document set/show print symbol-loading.

	testsuite/
	* gdb.base/print-symbol-loading-lib.c: New file.
	* gdb.base/print-symbol-loading-main.c: New file.
	* gdb.base/print-symbol-loading.exp: New file.
This commit is contained in:
Doug Evans
2014-03-31 12:07:48 -07:00
parent 76f0cad6f4
commit 770e7fc78c
11 changed files with 321 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
gdb/symfile.c
View File

@@ -143,6 +143,20 @@ DEF_VEC_O (registered_sym_fns);
static VEC (registered_sym_fns) *symtab_fns = NULL;
/* Values for "set print symbol-loading". */
const char print_symbol_loading_off[] = "off";
const char print_symbol_loading_brief[] = "brief";
const char print_symbol_loading_full[] = "full";
static const char *print_symbol_loading_enums[] =
{
print_symbol_loading_off,
print_symbol_loading_brief,
print_symbol_loading_full,
NULL
};
static const char *print_symbol_loading = print_symbol_loading_full;
/* If non-zero, shared library symbols will be added automatically
when the inferior is created, new libraries are loaded, or when
attaching to the inferior. This is almost always what users will
@@ -156,6 +170,31 @@ static VEC (registered_sym_fns) *symtab_fns = NULL;
int auto_solib_add = 1;
/* Return non-zero if symbol-loading messages should be printed.
FROM_TTY is the standard from_tty argument to gdb commands.
If EXEC is non-zero the messages are for the executable.
Otherwise, messages are for shared libraries.
If FULL is non-zero then the caller is printing a detailed message.
E.g., the message includes the shared library name.
Otherwise, the caller is printing a brief "summary" message. */
int
print_symbol_loading_p (int from_tty, int exec, int full)
{
if (!from_tty && !info_verbose)
return 0;
if (exec)
{
/* We don't check FULL for executables, there are few such
messages, therefore brief == full. */
return print_symbol_loading != print_symbol_loading_off;
}
if (full)
return print_symbol_loading == print_symbol_loading_full;
return print_symbol_loading == print_symbol_loading_brief;
}
/* True if we are reading a symbol table. */
int currently_reading_symtab = 0;
@@ -1112,7 +1151,7 @@ symbol_file_add_with_addrs (bfd *abfd, const char *name, int add_flags,
struct objfile *objfile;
const int from_tty = add_flags & SYMFILE_VERBOSE;
const int mainline = add_flags & SYMFILE_MAINLINE;
const int should_print = ((from_tty || info_verbose)
const int should_print = (print_symbol_loading_p (from_tty, mainline, 1)
&& (readnow_symbol_files
|| (add_flags & SYMFILE_NO_READ) == 0));
@@ -3985,4 +4024,18 @@ each global debug-file-directory component prepended."),
NULL,
show_debug_file_directory,
&setlist, &showlist);
add_setshow_enum_cmd ("symbol-loading", no_class,
print_symbol_loading_enums, &print_symbol_loading,
_("\
Set printing of symbol loading messages."), _("\
Show printing of symbol loading messages."), _("\
off == turn all messages off\n\
brief == print messages for the executable,\n\
and brief messages for shared libraries\n\
full == print messages for the executable,\n\
and messages for each shared library."),
NULL,
NULL,
&setprintlist, &showprintlist);
}