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dbm_gdb.c
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dbm_gdb.c
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/*
* dbm_gdm.c
*
* Copyright 2010 Alexander Petukhov <devel(at)apetukhov.ru>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
/*
* Implementation of struct _dbg_module for GDB
*/
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <wctype.h>
#include <unistd.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <geanyplugin.h>
extern GeanyData *geany_data;
#include "breakpoint.h"
#include "debug_module.h"
#include "gdb_mi.h"
/* module features */
#define MODULE_FEATURES MF_ASYNC_BREAKS
/* GDB spawn flags */
#define GDB_SPAWN_FLAGS \
G_SPAWN_SEARCH_PATH | \
G_SPAWN_DO_NOT_REAP_CHILD
/* GDB prompt */
#define GDB_PROMPT "(gdb) \n"
/* enumeration for GDB command execution status */
typedef enum _result_class {
RC_DONE,
RC_EXIT,
RC_ERROR
} result_class;
/* structure to keep async command data (command line, messages) */
typedef struct _queue_item {
gchar *message;
gchar *command;
gchar *error_message;
gboolean format_error_message;
} queue_item;
/* enumeration for stop reason */
enum sr {
SR_BREAKPOINT_HIT,
SR_END_STEPPING_RANGE,
SR_EXITED_NORMALLY,
SR_SIGNAL_RECIEVED,
SR_EXITED_SIGNALLED,
SR_EXITED_WITH_CODE,
} stop_reason;
/* callbacks to use for messaging, error reporting and state change alerting */
static dbg_callbacks* dbg_cbs;
/* GDB command line arguments*/
static const gchar *gdb_args[] = { "gdb", "-i=mi", NULL };
/* GDB pid*/
static GPid gdb_pid = 0;
/* target pid*/
static GPid target_pid = 0;
/* GSource to watch GDB exit */
static guint gdb_src_id;
/* channels for GDB input/output */
static gint gdb_in;
static gint gdb_out;
static GIOChannel *gdb_ch_in;
static GIOChannel *gdb_ch_out;
/* GDB output event source id */
static guint gdb_id_out;
/* buffer for the error message */
char err_message[1000];
/* flag, showing that on debugger stop we have to call a callback */
gboolean requested_interrupt = FALSE;
/* autos list */
static GList *autos = NULL;
/* watches list */
static GList *watches = NULL;
/* loaded files list */
static GList *files = NULL;
/* set to true if library was loaded/unloaded
and it's nessesary to refresh files list */
static gboolean file_refresh_needed = FALSE;
/* current frame number */
static int active_frame = 0;
/* forward declarations */
static void stop(void);
static variable* add_watch(gchar* expression);
static void update_watches(void);
static void update_autos(void);
static void update_files(void);
/*
* print message using color, based on message type
*/
static void colorize_message(gchar *message)
{
const gchar *color;
if ('=' == *message)
color = "rose";
else if ('^' == *message)
color = "brown";
else if ('*' == *message)
color = "blue";
else if ('~' == *message)
color = "grey";
else
color = "red";
dbg_cbs->send_message(message, color);
}
/*
* shutdown GIOChannel
*/
static void shutdown_channel(GIOChannel ** ch)
{
if (*ch)
{
gint fd = g_io_channel_unix_get_fd(*ch);
g_io_channel_shutdown(*ch, TRUE, NULL);
g_io_channel_unref(*ch);
*ch = NULL;
if (fd >= 0)
{
close(fd);
}
}
}
/*
* called on GDB exit
*/
static void on_gdb_exit(GPid pid, gint status, gpointer data)
{
gdb_pid = target_pid = 0;
g_spawn_close_pid(pid);
shutdown_channel(&gdb_ch_in);
shutdown_channel(&gdb_ch_out);
/* delete autos */
g_list_foreach(autos, (GFunc)g_free, NULL);
g_list_free(autos);
autos = NULL;
/* delete watches */
g_list_foreach(watches, (GFunc)g_free, NULL);
g_list_free(watches);
watches = NULL;
/* delete files */
g_list_foreach(files, (GFunc)g_free, NULL);
g_list_free(files);
files = NULL;
g_source_remove(gdb_src_id);
gdb_src_id = 0;
dbg_cbs->set_exited(0);
}
/*
* reads gdb_out until "(gdb)" prompt met
*/
static GList* read_until_prompt(void)
{
GList *lines = NULL;
gchar *line = NULL;
gsize terminator;
while (G_IO_STATUS_NORMAL == g_io_channel_read_line(gdb_ch_out, &line, NULL, &terminator, NULL))
{
if (!strcmp(GDB_PROMPT, line))
break;
line[terminator] = '\0';
lines = g_list_prepend (lines, line);
}
return g_list_reverse(lines);
}
/*
* write a command to a gdb channel and flush with a newlinw character
*/
static void gdb_input_write_line(const gchar *line)
{
GIOStatus st;
GError *err = NULL;
gsize count;
const char *p;
char command[1000];
g_snprintf(command, sizeof command, "%s\n", line);
for (p = command; *p; p += count)
{
st = g_io_channel_write_chars(gdb_ch_in, p, strlen(p), &count, &err);
if (err || (st == G_IO_STATUS_ERROR) || (st == G_IO_STATUS_EOF))
{
#ifdef DEBUG_OUTPUT
dbg_cbs->send_message(err->message, "red");
#endif
if (err)
g_clear_error(&err);
break;
}
}
st = g_io_channel_flush(gdb_ch_in, &err);
if (err || (st == G_IO_STATUS_ERROR) || (st == G_IO_STATUS_EOF))
{
#ifdef DEBUG_OUTPUT
dbg_cbs->send_message(err->message, "red");
#endif
if (err)
g_clear_error(&err);
}
}
/*
* free memory occupied by a queue item
*/
static void free_queue_item(queue_item *item)
{
g_free(item->message);
g_free(item->command);
g_free(item->error_message);
g_free(item);
}
/*
* free a list of "queue_item" structures
*/
static void free_commands_queue(GList *queue)
{
/* all commands completed */
queue = g_list_first(queue);
g_list_foreach(queue, (GFunc)free_queue_item, NULL);
g_list_free(queue);
}
/*
* add a new command ("queue_item" structure) to a list
*/
static GList* add_to_queue(GList* queue, const gchar *message, const gchar *command, const gchar *error_message, gboolean format_error_message)
{
queue_item *item = (queue_item*)g_malloc(sizeof(queue_item));
memset((void*)item, 0, sizeof(queue_item));
item->message = g_strdup(message);
item->command = g_strdup(command);
item->error_message = g_strdup(error_message);
item->format_error_message = format_error_message;
return g_list_append(queue, (gpointer)item);
}
/*
* asyncronous output reader
* reads from startup async commands.
* looks for a command completion (normal or abnormal), if noraml - executes next command
*/
static void exec_async_command(const gchar* command);
static gboolean on_read_async_output(GIOChannel * src, GIOCondition cond, gpointer data)
{
gchar *line;
gsize length;
struct gdb_mi_record *record;
if (G_IO_STATUS_NORMAL != g_io_channel_read_line(src, &line, NULL, &length, NULL))
return TRUE;
record = gdb_mi_record_parse(line);
if (record && record->type == '^')
{
/* got some result */
GList *lines;
GList *commands = (GList*)data;
if (gdb_id_out)
{
g_source_remove(gdb_id_out);
gdb_id_out = 0;
}
lines = read_until_prompt();
g_list_foreach(lines, (GFunc)g_free, NULL);
g_list_free (lines);
if (!strcmp(record->klass, "done"))
{
/* command completed succesfully - run next command if exists */
if (commands->next)
{
/* if there are commads left */
queue_item *item;
commands = commands->next;
item = (queue_item*)commands->data;
/* send message to debugger messages window */
if (item->message)
{
dbg_cbs->send_message(item->message, "grey");
}
gdb_input_write_line(item->command);
gdb_id_out = g_io_add_watch(gdb_ch_out, G_IO_IN, on_read_async_output, commands);
}
else
{
/* all commands completed */
free_commands_queue(commands);
/* removing read callback */
if (gdb_id_out)
{
g_source_remove(gdb_id_out);
gdb_id_out = 0;
}
/* update source files list */
update_files();
/* -exec-run */
exec_async_command("-exec-run");
}
}
else
{
queue_item *item = (queue_item*)commands->data;
if(item->error_message)
{
if (item->format_error_message)
{
const gchar* gdb_msg = gdb_mi_result_var(record->first, "msg", GDB_MI_VAL_STRING);
gchar *msg = g_strdup_printf(item->error_message, gdb_msg);
dbg_cbs->report_error(msg);
g_free(msg);
}
else
{
dbg_cbs->report_error(item->error_message);
}
}
/* free commands queue */
free_commands_queue(commands);
stop();
}
}
gdb_mi_record_free(record);
g_free(line);
return TRUE;
}
/*
* asyncronous gdb output reader
* looks for a stopped event, then notifies "debug" module and removes async handler
*/
enum dbs debug_get_state(void);
static gboolean on_read_from_gdb(GIOChannel * src, GIOCondition cond, gpointer data)
{
gchar *line;
gsize length;
const gchar *id;
struct gdb_mi_record *record;
if (G_IO_STATUS_NORMAL != g_io_channel_read_line(src, &line, NULL, &length, NULL))
return TRUE;
record = gdb_mi_record_parse(line);
if (! record || record->type != GDB_MI_TYPE_PROMPT)
{
line[length] = '\0';
if ((record && '~' == record->type) || '~' == line[0])
{
colorize_message(line);
}
else
{
gchar *compressed = g_strcompress(line);
colorize_message(compressed);
g_free(compressed);
}
}
if (! record)
{
g_free(line);
return TRUE;
}
if (!target_pid &&
/* FIXME: =thread-group-created doesn't seem to exist, at least not in latest GDB docs */
(gdb_mi_record_matches(record, '=', "thread-group-created", "id", &id, NULL) ||
gdb_mi_record_matches(record, '=', "thread-group-started", "pid", &id, NULL)))
{
target_pid = atoi(id);
}
else if (gdb_mi_record_matches(record, '=', "thread-created", "id", &id, NULL))
{
dbg_cbs->add_thread(atoi(id));
}
else if (gdb_mi_record_matches(record, '=', "thread-exited", "id", &id, NULL))
{
dbg_cbs->remove_thread(atoi(id));
}
else if (gdb_mi_record_matches(record, '=', "library-loaded", NULL) ||
gdb_mi_record_matches(record, '=', "library-unloaded", NULL))
{
file_refresh_needed = TRUE;
}
else if (gdb_mi_record_matches(record, '*', "running", NULL))
dbg_cbs->set_run();
else if (gdb_mi_record_matches(record, '*', "stopped", NULL))
{
const gchar *reason;
/* removing read callback (will pulling all output left manually) */
if (gdb_id_out)
{
g_source_remove(gdb_id_out);
gdb_id_out = 0;
}
/* looking for a reason to stop */
if ((reason = gdb_mi_result_var(record->first, "reason", GDB_MI_VAL_STRING)) != NULL)
{
if (!strcmp(reason, "breakpoint-hit"))
stop_reason = SR_BREAKPOINT_HIT;
else if (!strcmp(reason, "end-stepping-range"))
stop_reason = SR_END_STEPPING_RANGE;
else if (!strcmp(reason, "signal-received"))
stop_reason = SR_SIGNAL_RECIEVED;
else if (!strcmp(reason, "exited-normally"))
stop_reason = SR_EXITED_NORMALLY;
else if (!strcmp(reason, "exited-signalled"))
stop_reason = SR_EXITED_SIGNALLED;
else if (!strcmp(reason, "exited"))
stop_reason = SR_EXITED_WITH_CODE;
/* FIXME: handle "location-reached" */
}
else
{
/* somehow, sometimes there can be no stop reason */
stop_reason = SR_EXITED_NORMALLY;
}
if (SR_BREAKPOINT_HIT == stop_reason || SR_END_STEPPING_RANGE == stop_reason || SR_SIGNAL_RECIEVED == stop_reason)
{
const gchar *thread_id = gdb_mi_result_var(record->first, "thread-id", GDB_MI_VAL_STRING);
active_frame = 0;
if (SR_BREAKPOINT_HIT == stop_reason || SR_END_STEPPING_RANGE == stop_reason)
{
/* update autos */
update_autos();
/* update watches */
update_watches();
/* update files */
if (file_refresh_needed)
{
update_files();
file_refresh_needed = FALSE;
}
}
else
{
if (!requested_interrupt)
{
gchar *msg = g_strdup_printf(_("Program received signal %s (%s)"),
(gchar *) gdb_mi_result_var(record->first, "signal-name", GDB_MI_VAL_STRING),
(gchar *) gdb_mi_result_var(record->first, "signal-meaning", GDB_MI_VAL_STRING));
dbg_cbs->report_error(msg);
g_free(msg);
}
else
requested_interrupt = FALSE;
}
dbg_cbs->set_stopped(thread_id ? atoi(thread_id) : 0);
}
else if (stop_reason == SR_EXITED_NORMALLY || stop_reason == SR_EXITED_SIGNALLED || stop_reason == SR_EXITED_WITH_CODE)
{
if (stop_reason == SR_EXITED_WITH_CODE)
{
const gchar *exit_code = gdb_mi_result_var(record->first, "exit-code", GDB_MI_VAL_STRING);
long int code = exit_code ? strtol(exit_code, NULL, 8) : 0;
gchar *message;
message = g_strdup_printf(_("Program exited with code \"%i\""), (int)(char)code);
dbg_cbs->report_error(message);
g_free(message);
}
stop();
}
}
else if (gdb_mi_record_matches(record, '^', "error", NULL))
{
GList *lines, *iter;
const gchar *msg = gdb_mi_result_var(record->first, "msg", GDB_MI_VAL_STRING);
/* removing read callback (will pulling all output left manually) */
if (gdb_id_out)
{
g_source_remove(gdb_id_out);
gdb_id_out = 0;
}
/* set debugger stopped if is running */
if (DBS_STOPPED != debug_get_state())
{
/* FIXME: does GDB/MI ever return a thread-id with an error?? */
const gchar *thread_id = gdb_mi_result_var(record->first, "thread-id", GDB_MI_VAL_STRING);
dbg_cbs->set_stopped(thread_id ? atoi(thread_id) : 0);
}
/* reading until prompt */
lines = read_until_prompt();
for (iter = lines; iter; iter = iter->next)
{
gchar *l = (gchar*)iter->data;
if (strcmp(l, GDB_PROMPT))
colorize_message(l);
g_free(l);
}
g_list_free (lines);
/* send error message */
dbg_cbs->report_error(msg);
}
g_free(line);
gdb_mi_record_free(record);
return TRUE;
}
/*
* execute "command" asyncronously
* after writing command to an input channel
* connects reader to output channel and exits
* after execution
*/
static void exec_async_command(const gchar* command)
{
#ifdef DEBUG_OUTPUT
dbg_cbs->send_message(command, "red");
#endif
gdb_input_write_line(command);
/* connect read callback to the output chanel */
gdb_id_out = g_io_add_watch(gdb_ch_out, G_IO_IN, on_read_from_gdb, NULL);
}
/*
* execute "command" syncronously
* i.e. reading output right
* after execution
*/
static result_class exec_sync_command(const gchar* command, gboolean wait4prompt, struct gdb_mi_record ** command_record)
{
GList *lines, *iter;
result_class rc;
#ifdef DEBUG_OUTPUT
dbg_cbs->send_message(command, "red");
#endif
/* write command to gdb input channel */
gdb_input_write_line(command);
if (!wait4prompt)
return RC_DONE;
if (command_record)
*command_record = NULL;
lines = read_until_prompt();
#ifdef DEBUG_OUTPUT
for (iter = lines; iter; iter = iter->next)
{
dbg_cbs->send_message((gchar*)iter->data, "red");
}
#endif
rc = RC_ERROR;
for (iter = lines; iter; iter = iter->next)
{
gchar *line = (gchar*)iter->data;
struct gdb_mi_record *record = gdb_mi_record_parse(line);
if (record && '^' == record->type)
{
if (gdb_mi_record_matches(record, '^', "done", NULL))
rc = RC_DONE;
else if (gdb_mi_record_matches(record, '^', "error", NULL))
{
/* save error message */
const gchar *msg = gdb_mi_result_var(record->first, "msg", GDB_MI_VAL_STRING);
strncpy(err_message, msg ? msg : "", G_N_ELEMENTS(err_message) - 1);
rc = RC_ERROR;
}
else if (gdb_mi_record_matches(record, '^', "exit", NULL))
rc = RC_EXIT;
if (command_record)
{
*command_record = record;
record = NULL;
}
}
else if (! record || '&' != record->type)
{
colorize_message (line);
}
gdb_mi_record_free(record);
}
g_list_foreach(lines, (GFunc)g_free, NULL);
g_list_free(lines);
return rc;
}
/*
* starts gdb, collects commands and start the first one
*/
static gboolean run(const gchar* file, const gchar* commandline, GList* env, GList *witer, GList *biter, const gchar* terminal_device, dbg_callbacks* callbacks)
{
const gchar *exclude[] = { "LANG", NULL };
gchar **gdb_env = utils_copy_environment(exclude, "LANG", "C", NULL);
gchar *working_directory = g_path_get_dirname(file);
GList *lines, *iter;
GList *commands = NULL;
gchar *command;
gchar *escaped;
int bp_index;
queue_item *item;
dbg_cbs = callbacks;
/* spawn GDB */
if (!g_spawn_async_with_pipes(working_directory, (gchar**)gdb_args, gdb_env,
GDB_SPAWN_FLAGS, NULL,
NULL, &gdb_pid, &gdb_in, &gdb_out, NULL, NULL))
{
dbg_cbs->report_error(_("Failed to spawn gdb process"));
g_free(working_directory);
g_strfreev(gdb_env);
return FALSE;
}
g_free(working_directory);
g_strfreev(gdb_env);
/* move gdb to it's own process group */
setpgid(gdb_pid, 0);
/* set handler for gdb process exit event */
gdb_src_id = g_child_watch_add(gdb_pid, on_gdb_exit, NULL);
/* create GDB GIO chanels */
gdb_ch_in = g_io_channel_unix_new(gdb_in);
gdb_ch_out = g_io_channel_unix_new(gdb_out);
/* reading starting gdb messages */
lines = read_until_prompt();
for (iter = lines; iter; iter = iter->next)
{
gchar *unescaped = g_strcompress((gchar*)iter->data);
if (strlen(unescaped))
{
colorize_message((gchar*)iter->data);
}
}
g_list_foreach(lines, (GFunc)g_free, NULL);
g_list_free(lines);
/* add initial watches to the list */
while (witer)
{
gchar *name = (gchar*)witer->data;
variable *var = variable_new(name, VT_WATCH);
watches = g_list_append(watches, var);
witer = witer->next;
}
/* collect commands */
/* loading file */
escaped = g_strescape(file, NULL);
command = g_strdup_printf("-file-exec-and-symbols \"%s\"", escaped);
commands = add_to_queue(commands, _("~\"Loading target file.\\n\""), command, _("Error loading file"), FALSE);
g_free(command);
g_free(escaped);
/* setting asyncronous mode */
commands = add_to_queue(commands, NULL, "-gdb-set target-async 1", _("Error configuring GDB"), FALSE);
/* setting null-stop array printing */
commands = add_to_queue(commands, NULL, "-interpreter-exec console \"set print null-stop\"", _("Error configuring GDB"), FALSE);
/* enable pretty printing */
commands = add_to_queue(commands, NULL, "-enable-pretty-printing", _("Error configuring GDB"), FALSE);
/* set locale */
command = g_strdup_printf("-gdb-set environment LANG=%s", g_getenv("LANG"));
commands = add_to_queue(commands, NULL, command, NULL, FALSE);
g_free(command);
/* set arguments */
command = g_strdup_printf("-exec-arguments %s", commandline);
commands = add_to_queue(commands, NULL, command, NULL, FALSE);
g_free(command);
/* set passed evironment */
iter = env;
while (iter)
{
gchar *name, *value;
name = (gchar*)iter->data;
iter = iter->next;
value = (gchar*)iter->data;
command = g_strdup_printf("-gdb-set environment %s=%s", name, value);
commands = add_to_queue(commands, NULL, command, NULL, FALSE);
g_free(command);
iter = iter->next;
}
/* set breaks */
bp_index = 1;
while (biter)
{
breakpoint *bp = (breakpoint*)biter->data;
gchar *error_message;
escaped = g_strescape(bp->file, NULL);
command = g_strdup_printf("-break-insert -f \"\\\"%s\\\":%i\"", escaped, bp->line);
g_free(escaped);
error_message = g_strdup_printf(_("Breakpoint at %s:%i cannot be set\nDebugger message: %s"), bp->file, bp->line, "%s");
commands = add_to_queue(commands, NULL, command, error_message, TRUE);
g_free(command);
if (bp->hitscount)
{
command = g_strdup_printf("-break-after %i %i", bp_index, bp->hitscount);
commands = add_to_queue(commands, NULL, command, error_message, TRUE);
g_free(command);
}
if (strlen(bp->condition))
{
command = g_strdup_printf ("-break-condition %i %s", bp_index, bp->condition);
commands = add_to_queue(commands, NULL, command, error_message, TRUE);
g_free(command);
}
if (!bp->enabled)
{
command = g_strdup_printf ("-break-disable %i", bp_index);
commands = add_to_queue(commands, NULL, command, error_message, TRUE);
g_free(command);
}
g_free(error_message);
bp_index++;
biter = biter->next;
}
/* set debugging terminal */
command = g_strconcat("-inferior-tty-set ", terminal_device, NULL);
commands = add_to_queue(commands, NULL, command, NULL, FALSE);
g_free(command);
/* connect read callback to the output chanel */
gdb_id_out = g_io_add_watch(gdb_ch_out, G_IO_IN, on_read_async_output, commands);
item = (queue_item*)commands->data;
/* send message to debugger messages window */
if (item->message)
{
dbg_cbs->send_message(item->message, "grey");
}
/* send first command */
gdb_input_write_line(item->command);
return TRUE;
}
/*
* starts debugging
*/
static void restart(void)
{
dbg_cbs->clear_messages();
exec_async_command("-exec-run");
}
/*
* stops GDB
*/
static void stop(void)
{
exec_sync_command("-gdb-exit", FALSE, NULL);
}
/*
* resumes GDB
*/
static void resume(void)
{
exec_async_command("-exec-continue");
}
/*
* step over
*/
static void step_over(void)
{
exec_async_command("-exec-next");
}
/*
* step into
*/
static void step_into(void)
{
exec_async_command("-exec-step");
}
/*
* step out
*/
static void step_out(void)
{
exec_async_command("-exec-finish");
}
/*
* execute until
*/
static void execute_until(const gchar *file, int line)
{
gchar command[1000];
g_snprintf(command, sizeof command, "-exec-until %s:%i", file, line);
exec_async_command(command);
}
/*
* gets breakpoint number by file and line
*/
static int get_break_number(char* file, int line)
{
struct gdb_mi_record *record;
const struct gdb_mi_result *table, *body, *bkpt;
int break_number = -1;
exec_sync_command("-break-list", TRUE, &record);
if (! record)
return -1;
table = gdb_mi_result_var(record->first, "BreakpointTable", GDB_MI_VAL_LIST);
body = gdb_mi_result_var(table, "body", GDB_MI_VAL_LIST);
gdb_mi_result_foreach_matched (bkpt, body, "bkpt", GDB_MI_VAL_LIST)
{
const gchar *number = gdb_mi_result_var(bkpt->val->v.list, "number", GDB_MI_VAL_STRING);
const gchar *location = gdb_mi_result_var(bkpt->val->v.list, "original-location", GDB_MI_VAL_STRING);
const gchar *colon;
gboolean break_found = FALSE;
if (! number || ! location)
continue;
colon = strrchr(location, ':');
if (colon && atoi(colon + 1) == line)
{
gchar *fname;
/* quotes around filename (location not found or something?) */
if (*location == '"' && colon - location > 2)
fname = g_strndup(location + 1, colon - location - 2);
else
fname = g_strndup(location, colon - location);
break_found = strcmp(fname, file) == 0;
g_free(fname);
}
if (break_found)
{
break_number = atoi(number);
break;
}
}
gdb_mi_record_free(record);
return break_number;
}
/*
* set breakpoint
*/
static gboolean set_break(breakpoint* bp, break_set_activity bsa)
{
char command[1000];
if (BSA_NEW_BREAK == bsa)
{
/* new breakpoint */
struct gdb_mi_record *record;
const struct gdb_mi_result *bkpt;
const gchar *number;
gchar *escaped;
int num = 0;
/* 1. insert breakpoint */
escaped = g_strescape(bp->file, NULL);
g_snprintf(command, sizeof command, "-break-insert \"\\\"%s\\\":%i\"", escaped, bp->line);
if (RC_DONE != exec_sync_command(command, TRUE, &record) || !record)
{
gdb_mi_record_free(record);
record = NULL;
g_snprintf(command, sizeof command, "-break-insert -f \"\\\"%s\\\":%i\"", escaped, bp->line);
if (RC_DONE != exec_sync_command(command, TRUE, &record) || !record)
{
gdb_mi_record_free(record);
g_free(escaped);
return FALSE;
}
}
/* lookup break-number */
bkpt = gdb_mi_result_var(record->first, "bkpt", GDB_MI_VAL_LIST);
if ((number = gdb_mi_result_var(bkpt, "number", GDB_MI_VAL_STRING)))
num = atoi(number);