/* Memory-access and commands for "inferior" process, for GDB.
- Copyright (C) 1986-2016 Free Software Foundation, Inc.
+ Copyright (C) 1986-2017 Free Software Foundation, Inc.
This file is part of GDB.
#include "thread-fsm.h"
#include "top.h"
#include "interps.h"
+#include "common/gdb_optional.h"
/* Local functions: */
-static void nofp_registers_info (char *, int);
+static void info_registers_command (char *, int);
static void until_next_command (int);
static void unset_command (char *, int);
-static void float_info (char *, int);
+static void info_float_command (char *, int);
static void disconnect_command (char *, int);
static void environment_info (char *, int);
-static void program_info (char *, int);
+static void info_program_command (char *, int);
static void finish_command (char *, int);
#ifdef __MINGW32__
/* This holds all the characters considered special to the
Windows shells. */
- char *special = "\"!&*|[]{}<>?`~^=;, \t\n";
- const char quote = '"';
+ static const char special[] = "\"!&*|[]{}<>?`~^=;, \t\n";
+ static const char quote = '"';
#else
/* This holds all the characters considered special to the
typical Unix shells. We include `^' because the SunOS
/bin/sh treats it as a synonym for `|'. */
- char *special = "\"!#$&*()\\|[]{}<>?'`~^; \t\n";
- const char quote = '\'';
+ static const char special[] = "\"!#$&*()\\|[]{}<>?'`~^; \t\n";
+ static const char quote = '\'';
#endif
int i;
int length = 0;
/* If the solist is global across processes, there's no need to
refetch it here. */
if (!gdbarch_has_global_solist (target_gdbarch ()))
- solib_add (NULL, 0, target, auto_solib_add);
+ solib_add (NULL, 0, auto_solib_add);
}
}
static void
run_command_1 (char *args, int from_tty, int tbreak_at_main)
{
- char *exec_file;
+ const char *exec_file;
struct cleanup *old_chain;
ptid_t ptid;
struct ui_out *uiout = current_uiout;
if (tbreak_at_main)
tbreak_command (main_name (), 0);
- exec_file = (char *) get_exec_file (0);
+ exec_file = get_exec_file (0);
/* We keep symbols from add-symbol-file, on the grounds that the
user might want to add some symbols before running the program
/* We call get_inferior_args() because we might need to compute
the value now. */
- run_target->to_create_inferior (run_target, exec_file, get_inferior_args (),
- environ_vector (current_inferior ()->environment),
+ run_target->to_create_inferior (run_target, exec_file,
+ std::string (get_inferior_args ()),
+ current_inferior ()->environment.envp (),
from_tty);
/* to_create_inferior should push the target, so after this point we
shouldn't refer to run_target again. */
{
/* Don't error out if the current thread is running, because
there may be other stopped threads. */
- struct cleanup *old_chain;
- /* Backup current thread and selected frame. */
- old_chain = make_cleanup_restore_current_thread ();
+ /* Backup current thread and selected frame and restore on scope
+ exit. */
+ scoped_restore_current_thread restore_thread;
iterate_over_threads (proceed_thread_callback, NULL);
*/
target_terminal_inferior ();
}
-
- /* Restore selected ptid. */
- do_cleanups (old_chain);
}
else
{
static void
set_step_frame (void)
{
- struct symtab_and_line sal;
- CORE_ADDR pc;
- struct frame_info *frame = get_current_frame ();
- struct thread_info *tp = inferior_thread ();
+ frame_info *frame = get_current_frame ();
- find_frame_sal (frame, &sal);
+ symtab_and_line sal = find_frame_sal (frame);
set_step_info (frame, sal);
- pc = get_frame_pc (frame);
+
+ CORE_ADDR pc = get_frame_pc (frame);
+ thread_info *tp = inferior_thread ();
tp->control.step_start_function = find_pc_function (pc);
}
{
struct gdbarch *gdbarch = get_current_arch ();
CORE_ADDR addr;
- struct symtabs_and_lines sals;
- struct symtab_and_line sal;
struct symbol *fn;
struct symbol *sfn;
int async_exec;
if (!arg)
error_no_arg (_("starting address"));
- sals = decode_line_with_last_displayed (arg, DECODE_LINE_FUNFIRSTLINE);
- if (sals.nelts != 1)
- {
- error (_("Unreasonable jump request"));
- }
-
- sal = sals.sals[0];
- xfree (sals.sals);
+ std::vector<symtab_and_line> sals
+ = decode_line_with_last_displayed (arg, DECODE_LINE_FUNFIRSTLINE);
+ if (sals.size () != 1)
+ error (_("Unreasonable jump request"));
/* Done with ARGS. */
do_cleanups (args_chain);
+ symtab_and_line &sal = sals[0];
+
if (sal.symtab == 0 && sal.pc == 0)
error (_("No source file has been specified."));
struct value *
get_return_value (struct value *function, struct type *value_type)
{
- struct regcache *stop_regs;
- struct gdbarch *gdbarch;
+ regcache stop_regs (regcache::readonly, *get_current_regcache ());
+ struct gdbarch *gdbarch = stop_regs.arch ();
struct value *value;
- struct cleanup *cleanup;
-
- stop_regs = regcache_dup (get_current_regcache ());
- cleanup = make_cleanup_regcache_xfree (stop_regs);
-
- gdbarch = get_regcache_arch (stop_regs);
value_type = check_typedef (value_type);
gdb_assert (TYPE_CODE (value_type) != TYPE_CODE_VOID);
case RETURN_VALUE_ABI_RETURNS_ADDRESS:
case RETURN_VALUE_ABI_PRESERVES_ADDRESS:
value = allocate_value (value_type);
- gdbarch_return_value (gdbarch, function, value_type, stop_regs,
+ gdbarch_return_value (gdbarch, function, value_type, &stop_regs,
value_contents_raw (value), NULL);
break;
case RETURN_VALUE_STRUCT_CONVENTION:
internal_error (__FILE__, __LINE__, _("bad switch"));
}
- do_cleanups (cleanup);
-
return value;
}
if (rv->value != NULL)
{
struct value_print_options opts;
- struct ui_file *stb;
- struct cleanup *old_chain;
/* Print it. */
- stb = mem_fileopen ();
- old_chain = make_cleanup_ui_file_delete (stb);
uiout->text ("Value returned is ");
uiout->field_fmt ("gdb-result-var", "$%d",
- rv->value_history_index);
+ rv->value_history_index);
uiout->text (" = ");
get_no_prettyformat_print_options (&opts);
- value_print (rv->value, stb, &opts);
+
+ string_file stb;
+
+ value_print (rv->value, &stb, &opts);
uiout->field_stream ("return-value", stb);
uiout->text ("\n");
- do_cleanups (old_chain);
}
else
{
{
struct frame_info *frame = get_selected_frame (NULL);
struct gdbarch *gdbarch = get_frame_arch (frame);
- struct symtab_and_line sr_sal;
/* Set a step-resume at the function's entry point. Once that's
hit, we'll do one more step backwards. */
- init_sal (&sr_sal);
+ symtab_and_line sr_sal;
sr_sal.pc = sal.pc;
sr_sal.pspace = get_frame_program_space (frame);
insert_step_resume_breakpoint_at_sal (gdbarch,
called by that frame. We don't use the magic "1" value for
step_range_end, because then infrun will think this is nexti,
and not step over the rest of this inlined function call. */
- struct symtab_and_line empty_sal;
-
- init_sal (&empty_sal);
- set_step_info (frame, empty_sal);
+ set_step_info (frame, {});
tp->control.step_range_start = get_frame_pc (frame);
tp->control.step_range_end = tp->control.step_range_start;
tp->control.step_over_calls = STEP_OVER_ALL;
\f
static void
-program_info (char *args, int from_tty)
+info_program_command (char *args, int from_tty)
{
bpstat bs;
int num, stat;
{
if (var)
{
- char *val = get_in_environ (current_inferior ()->environment, var);
+ const char *val = current_inferior ()->environment.get (var);
if (val)
{
}
else
{
- char **vector = environ_vector (current_inferior ()->environment);
+ char **envp = current_inferior ()->environment.envp ();
- while (*vector)
+ for (int idx = 0; envp[idx] != NULL; ++idx)
{
- puts_filtered (*vector++);
+ puts_filtered (envp[idx]);
puts_filtered ("\n");
}
}
printf_filtered (_("Setting environment variable "
"\"%s\" to null value.\n"),
var);
- set_in_environ (current_inferior ()->environment, var, "");
+ current_inferior ()->environment.set (var, "");
}
else
- set_in_environ (current_inferior ()->environment, var, val);
+ current_inferior ()->environment.set (var, val);
xfree (var);
}
/* If there is no argument, delete all environment variables.
Ask for confirmation if reading from the terminal. */
if (!from_tty || query (_("Delete all environment variables? ")))
- {
- free_environ (current_inferior ()->environment);
- current_inferior ()->environment = make_environ ();
- }
+ current_inferior ()->environment.clear ();
}
else
- unset_in_environ (current_inferior ()->environment, var);
+ current_inferior ()->environment.unset (var);
}
/* Handle the execution path (PATH variable). */
path_info (char *args, int from_tty)
{
puts_filtered ("Executable and object file path: ");
- puts_filtered (get_in_environ (current_inferior ()->environment,
- path_var_name));
+ puts_filtered (current_inferior ()->environment.get (path_var_name));
puts_filtered ("\n");
}
path_command (char *dirname, int from_tty)
{
char *exec_path;
- char *env;
+ const char *env;
dont_repeat ();
- env = get_in_environ (current_inferior ()->environment, path_var_name);
+ env = current_inferior ()->environment.get (path_var_name);
/* Can be null if path is not set. */
if (!env)
env = "";
exec_path = xstrdup (env);
mod_path (dirname, &exec_path);
- set_in_environ (current_inferior ()->environment, path_var_name, exec_path);
+ current_inferior ()->environment.set (path_var_name, exec_path);
xfree (exec_path);
if (from_tty)
path_info ((char *) NULL, from_tty);
if (print_raw_format)
{
fprintf_filtered (file, "\t(raw ");
- print_hex_chars (file, valaddr, TYPE_LENGTH (regtype), byte_order);
+ print_hex_chars (file, valaddr, TYPE_LENGTH (regtype), byte_order,
+ true);
fprintf_filtered (file, ")");
}
}
}
static void
-all_registers_info (char *addr_exp, int from_tty)
+info_all_registers_command (char *addr_exp, int from_tty)
{
registers_info (addr_exp, 1);
}
static void
-nofp_registers_info (char *addr_exp, int from_tty)
+info_registers_command (char *addr_exp, int from_tty)
{
registers_info (addr_exp, 0);
}
}
static void
-vector_info (char *args, int from_tty)
+info_vector_command (char *args, int from_tty)
{
if (!target_has_registers)
error (_("The program has no registers now."));
{
/* Don't error out if the current thread is running, because
there may be other stopped threads. */
- struct cleanup *old_chain;
/* Backup current thread and selected frame. */
- old_chain = make_cleanup_restore_current_thread ();
+ scoped_restore_current_thread restore_thread;
iterate_over_threads (proceed_after_attach_callback, &pid);
-
- /* Restore selected ptid. */
- do_cleanups (old_chain);
}
/* See inferior.h. */
should be running. Else if ATTACH, */
static void
-attach_post_wait (char *args, int from_tty, enum attach_post_wait_mode mode)
+attach_post_wait (const char *args, int from_tty, enum attach_post_wait_mode mode)
{
struct inferior *inferior;
void
notice_new_inferior (ptid_t ptid, int leave_running, int from_tty)
{
- struct cleanup* old_chain;
- enum attach_post_wait_mode mode;
-
- old_chain = make_cleanup (null_cleanup, NULL);
+ enum attach_post_wait_mode mode
+ = leave_running ? ATTACH_POST_WAIT_RESUME : ATTACH_POST_WAIT_NOTHING;
- mode = leave_running ? ATTACH_POST_WAIT_RESUME : ATTACH_POST_WAIT_NOTHING;
+ gdb::optional<scoped_restore_current_thread> restore_thread;
- if (!ptid_equal (inferior_ptid, null_ptid))
- make_cleanup_restore_current_thread ();
+ if (inferior_ptid != null_ptid)
+ restore_thread.emplace ();
/* Avoid reading registers -- we haven't fetched the target
description yet. */
add_inferior_continuation (attach_command_continuation, a,
attach_command_continuation_free_args);
- do_cleanups (old_chain);
return;
}
attach_post_wait ("" /* args */, from_tty, mode);
-
- do_cleanups (old_chain);
}
/*
}
static void
-float_info (char *args, int from_tty)
+info_float_command (char *args, int from_tty)
{
struct frame_info *frame;
set_inferior_tty_command,
show_inferior_tty_command,
&setlist, &showlist);
- add_com_alias ("tty", "set inferior-tty", class_alias, 0);
+ cmd_name = "inferior-tty";
+ c = lookup_cmd (&cmd_name, setlist, "", -1, 1);
+ gdb_assert (c != NULL);
+ add_alias_cmd ("tty", c, class_alias, 0, &cmdlist);
cmd_name = "args";
add_setshow_string_noescape_cmd (cmd_name, class_run,
c = add_com ("run", class_run, run_command, _("\
Start debugged program. You may specify arguments to give it.\n\
-Args may include \"*\", or \"[...]\"; they are expanded using \"sh\".\n\
-Input and output redirection with \">\", \"<\", or \">>\" are also \
-allowed.\n\n\
+Args may include \"*\", or \"[...]\"; they are expanded using the\n\
+shell that will start the program (specified by the \"$SHELL\"\
+environment\nvariable). Input and output redirection with \">\",\
+\"<\", or \">>\"\nare also allowed.\n\n\
With no arguments, uses arguments last specified (with \"run\" \
or \"set args\").\n\
To cancel previous arguments and run with no arguments,\n\
-use \"set args\" without arguments."));
+use \"set args\" without arguments.\n\
+To start the inferior without using a shell, use \"set \
+startup-with-shell off\"."));
set_cmd_completer (c, filename_completer);
add_com_alias ("r", "run", class_run, 1);
otherwise all the threads in the program are stopped. To \n\
interrupt all running threads in non-stop mode, use the -a option."));
- c = add_info ("registers", nofp_registers_info, _("\
+ c = add_info ("registers", info_registers_command, _("\
List of integer registers and their contents, for selected stack frame.\n\
Register name as argument means describe only that register."));
add_info_alias ("r", "registers", 1);
set_cmd_completer (c, reg_or_group_completer);
- c = add_info ("all-registers", all_registers_info, _("\
+ c = add_info ("all-registers", info_all_registers_command, _("\
List of all registers and their contents, for selected stack frame.\n\
Register name as argument means describe only that register."));
set_cmd_completer (c, reg_or_group_completer);
- add_info ("program", program_info,
+ add_info ("program", info_program_command,
_("Execution status of the program."));
- add_info ("float", float_info,
+ add_info ("float", info_float_command,
_("Print the status of the floating point unit\n"));
- add_info ("vector", vector_info,
+ add_info ("vector", info_vector_command,
_("Print the status of the vector unit\n"));
add_prefix_cmd ("proc", class_info, info_proc_cmd,
projects / deliverable / binutils-gdb.git / blobdiff