/* Top level stuff for GDB, the GNU debugger.
- Copyright (C) 1986-2017 Free Software Foundation, Inc.
+ Copyright (C) 1986-2019 Free Software Foundation, Inc.
This file is part of GDB.
#include "maint.h"
#include "filenames.h"
-#include "filestuff.h"
+#include "common/filestuff.h"
#include <signal.h>
#include "event-top.h"
#include "infrun.h"
-#include "signals-state-save-restore.h"
+#include "common/signals-state-save-restore.h"
#include <vector>
+#include "common/pathstuff.h"
+#include "cli/cli-style.h"
/* The selected interpreter. This will be used as a set command
variable, so it should always be malloc'ed - since
if (!initialized)
{
struct stat homebuf, cwdbuf, s;
- char *homedir;
+ const char *homedir;
if (SYSTEM_GDBINIT[0])
{
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 i;
int save_auto_load;
- struct objfile *objfile;
+ int ret = 1;
-#ifdef HAVE_SBRK
+#ifdef HAVE_USEFUL_SBRK
/* Set this before constructing scoped_command_stats. */
lim_at_start = (char *) sbrk (0);
#endif
textdomain (PACKAGE);
#endif
- bfd_init ();
notice_open_fds ();
- save_original_signals_state ();
saved_command_line = (char *) xstrdup ("");
setvbuf (stderr, NULL, _IONBF, BUFSIZ);
#endif
+ /* Note: `error' cannot be called before this point, because the
+ caller will crash when trying to print the exception. */
main_ui = new ui (stdin, stdout, stderr);
current_ui = main_ui;
gdb_stdtargerr = gdb_stderr; /* for moment */
gdb_stdtargin = gdb_stdin; /* for moment */
+ if (bfd_init () != BFD_INIT_MAGIC)
+ error (_("fatal error: libbfd ABI mismatch"));
+
#ifdef __MINGW32__
/* On Windows, argv[0] is not necessarily set to absolute form when
GDB is found along PATH, without which relocation doesn't work. */
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 'b':
{
- int i;
+ int rate;
char *p;
- i = strtol (optarg, &p, 0);
- if (i == 0 && p == optarg)
+ rate = strtol (optarg, &p, 0);
+ if (rate == 0 && p == optarg)
warning (_("could not set baud rate to `%s'."),
optarg);
else
- baud_rate = i;
+ baud_rate = rate;
}
break;
case 'l':
{
- int i;
+ int timeout;
char *p;
- i = strtol (optarg, &p, 0);
- if (i == 0 && p == optarg)
+ timeout = strtol (optarg, &p, 0);
+ if (timeout == 0 && p == optarg)
warning (_("could not set timeout limit to `%s'."),
optarg);
else
- remote_timeout = i;
+ remote_timeout = timeout;
+ }
+ break;
+
+ case OPT_READNOW:
+ {
+ readnow_symbol_files = 1;
+ validate_readnow_readnever ();
+ }
+ break;
+
+ case OPT_READNEVER:
+ {
+ readnever_symbol_files = 1;
+ validate_readnow_readnever ();
}
break;
}
if (batch_flag)
- quiet = 1;
+ {
+ quiet = 1;
+
+ /* Disable all output styling when running in batch mode. */
+ cli_styling = 0;
+ }
}
+ save_original_signals_state (quiet);
+
/* Try to set up an alternate signal stack for SIGSEGV handlers. */
setup_alternate_signal_stack ();
if (print_version)
{
- print_gdb_version (gdb_stdout);
+ print_gdb_version (gdb_stdout, false);
wrap_here ("");
printf_filtered ("\n");
exit (0);
{
/* Print all the junk at the top, with trailing "..." if we are
about to read a symbol file (possibly slowly). */
- print_gdb_version (gdb_stdout);
+ print_gdb_version (gdb_stdout, true);
if (symarg)
printf_filtered ("..");
wrap_here ("");
{
/* Print all the junk at the top, with trailing "..." if we are
about to read a symbol file (possibly slowly). */
- print_gdb_version (gdb_stdout);
+ print_gdb_version (gdb_stdout, true);
if (symarg)
printf_filtered ("..");
wrap_here ("");
processed; it sets global parameters, which are independent of
what file you are debugging or what directory you are in. */
if (system_gdbinit && !inhibit_gdbinit)
- catch_command_errors (source_script, system_gdbinit, 0);
+ ret = catch_command_errors (source_script, system_gdbinit, 0);
/* Read and execute $HOME/.gdbinit file, if it exists. This is done
*before* all the command line arguments are processed; it sets
debugging or what directory you are in. */
if (home_gdbinit && !inhibit_gdbinit && !inhibit_home_gdbinit)
- catch_command_errors (source_script, home_gdbinit, 0);
+ ret = catch_command_errors (source_script, home_gdbinit, 0);
/* Process '-ix' and '-iex' options early. */
for (i = 0; i < cmdarg_vec.size (); i++)
switch (cmdarg_p.type)
{
case CMDARG_INIT_FILE:
- catch_command_errors (source_script, cmdarg_p.string,
- !batch_flag);
+ ret = catch_command_errors (source_script, cmdarg_p.string,
+ !batch_flag);
break;
case CMDARG_INIT_COMMAND:
- catch_command_errors (execute_command, cmdarg_p.string,
- !batch_flag);
+ ret = catch_command_errors (execute_command, cmdarg_p.string,
+ !batch_flag);
break;
}
}
/* Now perform all the actions indicated by the arguments. */
if (cdarg != NULL)
{
- catch_command_errors (cd_command, cdarg, 0);
+ ret = catch_command_errors (cd_command, cdarg, 0);
}
for (i = 0; i < dirarg.size (); i++)
- catch_command_errors (directory_switch, dirarg[i], 0);
+ ret = catch_command_errors (directory_switch, dirarg[i], 0);
/* Skip auto-loading section-specified scripts until we've sourced
local_gdbinit (which is often used to augment the source search
/* The exec file and the symbol-file are the same. If we can't
open it, better only print one error message.
catch_command_errors returns non-zero on success! */
- if (catch_command_errors (exec_file_attach, execarg,
- !batch_flag))
- catch_command_errors (symbol_file_add_main_adapter, symarg,
- !batch_flag);
+ ret = catch_command_errors (exec_file_attach, execarg,
+ !batch_flag);
+ if (ret != 0)
+ ret = catch_command_errors (symbol_file_add_main_adapter,
+ symarg, !batch_flag);
}
else
{
if (execarg != NULL)
- catch_command_errors (exec_file_attach, execarg,
- !batch_flag);
+ ret = catch_command_errors (exec_file_attach, execarg,
+ !batch_flag);
if (symarg != NULL)
- catch_command_errors (symbol_file_add_main_adapter, symarg,
- !batch_flag);
+ ret = catch_command_errors (symbol_file_add_main_adapter,
+ symarg, !batch_flag);
}
if (corearg && pidarg)
"a core file at the same time."));
if (corearg != NULL)
- catch_command_errors (core_file_command, corearg, !batch_flag);
+ {
+ ret = catch_command_errors (core_file_command, corearg,
+ !batch_flag);
+ }
else if (pidarg != NULL)
- catch_command_errors (attach_command, pidarg, !batch_flag);
+ {
+ ret = catch_command_errors (attach_command, pidarg, !batch_flag);
+ }
else if (pid_or_core_arg)
{
/* The user specified 'gdb program pid' or gdb program core'.
if (isdigit (pid_or_core_arg[0]))
{
- if (catch_command_errors (attach_command, pid_or_core_arg,
- !batch_flag) == 0)
- catch_command_errors (core_file_command, pid_or_core_arg,
- !batch_flag);
+ ret = catch_command_errors (attach_command, pid_or_core_arg,
+ !batch_flag);
+ if (ret == 0)
+ ret = catch_command_errors (core_file_command,
+ pid_or_core_arg,
+ !batch_flag);
+ }
+ else
+ {
+ /* Can't be a pid, better be a corefile. */
+ ret = catch_command_errors (core_file_command,
+ pid_or_core_arg,
+ !batch_flag);
}
- else /* Can't be a pid, better be a corefile. */
- catch_command_errors (core_file_command, pid_or_core_arg,
- !batch_flag);
}
if (ttyarg != NULL)
{
auto_load_local_gdbinit_loaded = 1;
- catch_command_errors (source_script, local_gdbinit, 0);
+ ret = catch_command_errors (source_script, local_gdbinit, 0);
}
}
We wait until now because it is common to add to the source search
path in local_gdbinit. */
global_auto_load = save_auto_load;
- ALL_OBJFILES (objfile)
+ for (objfile *objfile : current_program_space->objfiles ())
load_auto_scripts_for_objfile (objfile);
/* Process '-x' and '-ex' options. */
switch (cmdarg_p.type)
{
case CMDARG_FILE:
- catch_command_errors (source_script, cmdarg_p.string,
- !batch_flag);
+ ret = catch_command_errors (source_script, cmdarg_p.string,
+ !batch_flag);
break;
case CMDARG_COMMAND:
- catch_command_errors (execute_command, cmdarg_p.string,
- !batch_flag);
+ ret = catch_command_errors (execute_command, cmdarg_p.string,
+ !batch_flag);
break;
}
}
if (batch_flag)
{
+ int error_status = EXIT_FAILURE;
+ int *exit_arg = ret == 0 ? &error_status : NULL;
+
/* We have hit the end of the batch file. */
- quit_force (NULL, 0);
+ quit_force (exit_arg, 0);
}
}
--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 / external / binutils.git / blobdiff