/* Top level stuff for GDB, the GNU debugger.
- Copyright (C) 1986-2017 Free Software Foundation, Inc.
+ Copyright (C) 1986-2018 Free Software Foundation, Inc.
This file is part of GDB.
#include "infrun.h"
#include "signals-state-save-restore.h"
#include <vector>
+#include "common/pathstuff.h"
/* The selected interpreter. This will be used as a set command
variable, so it should always be malloc'ed - since
#endif
}
-/* Call command_loop. If it happens to return, pass that through as a
- non-zero return status. */
+/* Call command_loop. */
-static int
-captured_command_loop (void *data)
+/* Prevent inlining this function for the benefit of GDB's selftests
+ in the testsuite. Those tests want to run GDB under GDB and stop
+ here. */
+static void captured_command_loop () __attribute__((noinline));
+
+static void
+captured_command_loop ()
{
struct ui *ui = current_ui;
check to detect bad FUNCs code. */
do_cleanups (all_cleanups ());
/* If the command_loop returned, normally (rather than threw an
- error) we try to quit. If the quit is aborted, catch_errors()
- which called this catch the signal and restart the command
- loop. */
+ error) we try to quit. If the quit is aborted, our caller
+ catches the signal and restarts the command loop. */
quit_command (NULL, ui->instream == ui->stdin_stream);
- return 1;
}
/* Handle command errors thrown from within catch_command_errors. */
return 1;
}
-/* Type of the command callback passed to catch_command_errors. */
-
-typedef void (catch_command_errors_ftype) (char *, int);
-
-/* Wrap calls to commands run before the event loop is started. */
-
-static int
-catch_command_errors (catch_command_errors_ftype *command,
- char *arg, int from_tty)
-{
- TRY
- {
- int was_sync = current_ui->prompt_state == PROMPT_BLOCKED;
-
- command (arg, from_tty);
-
- maybe_wait_sync_command_done (was_sync);
- }
- CATCH (e, RETURN_MASK_ALL)
- {
- return handle_command_errors (e);
- }
- END_CATCH
-
- return 1;
-}
-
/* Type of the command callback passed to the const
catch_command_errors. */
typedef void (catch_command_errors_const_ftype) (const char *, int);
-/* Const-correct catch_command_errors. */
+/* Wrap calls to commands run before the event loop is started. */
static int
catch_command_errors (catch_command_errors_const_ftype command,
symbol_file_add_main (arg, add_flags);
}
+/* Perform validation of the '--readnow' and '--readnever' flags. */
+
+static void
+validate_readnow_readnever ()
+{
+ if (readnever_symbol_files && readnow_symbol_files)
+ {
+ error (_("%s: '--readnow' and '--readnever' cannot be "
+ "specified simultaneously"),
+ gdb_program_name);
+ }
+}
+
/* Type of this option. */
enum cmdarg_kind
{
int save_auto_load;
struct objfile *objfile;
- struct cleanup *chain;
-
#ifdef HAVE_SBRK
/* Set this before constructing scoped_command_stats. */
lim_at_start = (char *) sbrk (0);
bfd_init ();
notice_open_fds ();
- save_original_signals_state ();
saved_command_line = (char *) xstrdup ("");
setvbuf (stderr, NULL, _IONBF, BUFSIZ);
#endif
- main_ui = new_ui (stdin, stdout, stderr);
+ main_ui = new ui (stdin, stdout, stderr);
current_ui = main_ui;
gdb_stdtargerr = gdb_stderr; /* for moment */
(xstrprintf ("%s: warning: ", gdb_program_name));
warning_pre_print = tmp_warn_preprint.get ();
- if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)))
+ current_directory = getcwd (NULL, 0);
+ if (current_directory == NULL)
perror_warning_with_name (_("error finding working directory"));
- current_directory = gdb_dirbuf;
-
/* Set the sysroot path. */
gdb_sysroot = relocate_gdb_directory (TARGET_SYSTEM_ROOT,
TARGET_SYSTEM_ROOT_RELOCATABLE);
OPT_NOWINDOWS,
OPT_WINDOWS,
OPT_IX,
- OPT_IEX
+ OPT_IEX,
+ OPT_READNOW,
+ OPT_READNEVER
};
static struct option long_options[] =
{
{"tui", no_argument, 0, OPT_TUI},
{"dbx", no_argument, &dbx_commands, 1},
- {"readnow", no_argument, &readnow_symbol_files, 1},
- {"r", no_argument, &readnow_symbol_files, 1},
+ {"readnow", no_argument, NULL, OPT_READNOW},
+ {"readnever", no_argument, NULL, OPT_READNEVER},
+ {"r", no_argument, NULL, OPT_READNOW},
{"quiet", no_argument, &quiet, 1},
{"q", no_argument, &quiet, 1},
{"silent", no_argument, &quiet, 1},
}
break;
+ case OPT_READNOW:
+ {
+ readnow_symbol_files = 1;
+ validate_readnow_readnever ();
+ }
+ break;
+
+ case OPT_READNEVER:
+ {
+ readnever_symbol_files = 1;
+ validate_readnow_readnever ();
+ }
+ break;
+
case '?':
error (_("Use `%s --help' for a complete list of options."),
gdb_program_name);
quiet = 1;
}
+ save_original_signals_state (quiet);
+
/* Try to set up an alternate signal stack for SIGSEGV handlers. */
setup_alternate_signal_stack ();
change - SET_TOP_LEVEL() - has been eliminated. */
while (1)
{
- catch_errors (captured_command_loop, 0, "", RETURN_MASK_ALL);
+ TRY
+ {
+ captured_command_loop ();
+ }
+ CATCH (ex, RETURN_MASK_ALL)
+ {
+ exception_print (gdb_stderr, ex);
+ }
+ END_CATCH
}
/* No exit -- exit is through quit_command. */
}
--se=FILE Use FILE as symbol file and executable file.\n\
--symbols=SYMFILE Read symbols from SYMFILE.\n\
--readnow Fully read symbol files on first access.\n\
+ --readnever Do not read symbol files.\n\
--write Set writing into executable and core files.\n\n\
"), stream);
fputs_unfiltered (_("\
projects / deliverable / binutils-gdb.git / blobdiff