return rec->u.reg.u.buf;
case record_end:
default:
- gdb_assert (0);
+ gdb_assert_not_reached ("unexpected record_entry type");
return NULL;
}
}
recfilename);
}
-/* For "record pic" command. */
-
-static struct cmd_list_element *set_record_pic_cmdlist,
- *show_record_pic_cmdlist;
-
-static void
-set_record_pic_command (char *args, int from_tty)
-{
- printf_unfiltered (_("\
-\"set record pic\" must be followed by an apporpriate subcommand.\n"));
- help_list (set_record_cmdlist, "set record pic ", all_commands, gdb_stdout);
-}
-
-static void
-show_record_pic_command (char *args, int from_tty)
-{
- cmd_show_list (show_record_pic_cmdlist, from_tty, "");
-}
-
-static const char record_pic_function[] = "function";
-static const char record_pic_line[] = "line";
-static const char *record_pic_enum[] =
-{
- record_pic_function,
- record_pic_line,
- NULL,
-};
-static const char *set_record_pic_type = record_pic_line;
-
-static int record_pic_hide_nofunction = 1;
-static int record_pic_hide_nosource = 1;
-static int record_pic_hide_same = 1;
-
-static void
-record_pic_fputs (FILE *fp, const char *buf)
-{
- if (fputs (buf, fp) == EOF)
- error (_("Write to file error."));
-}
-
-struct function_list
-{
- struct function_list *next;
- CORE_ADDR addr;
- int fid;
-};
-struct node_list
-{
- struct node_list *next;
- int count;
- CORE_ADDR addr;
- int showall;
- struct symtab *symtab;
- int line;
- struct minimal_symbol *function;
- int fid;
-};
-struct edge_list
-{
- struct edge_list *next;
- int count;
- struct node_list *s;
- struct node_list *t;
- int frame_diff;
- int is_return;
-};
-struct function_list *function_list = NULL;
-struct node_list *node_list = NULL;
-struct edge_list *edge_list = NULL;
-
-static void
-record_pic_cleanups (void *data)
-{
- FILE *fp = data;
- struct function_list *fl, *fl2;
- struct node_list *nl, *nl2;
- struct edge_list *el, *el2;
-
- fl = function_list;
- while (fl)
- {
- fl2 = fl;
- fl = fl->next;
- xfree (fl2);
- }
- function_list = NULL;
-
- nl = node_list;
- while (nl)
- {
- nl2 = nl;
- nl = nl->next;
- xfree (nl2);
- }
- node_list = NULL;
-
- el = edge_list;
- while (el)
- {
- el2 = el;
- el = el->next;
- xfree (el2);
- }
- edge_list = NULL;
-
- fclose (fp);
-}
-
-static void
-record_pic_node (char *buf, int buf_max, struct gdbarch *gdbarch,
- const char *type, struct node_list *nlp)
-{
- if (type == record_pic_function)
- {
- snprintf (buf, buf_max, "%s %s %s",
- (nlp->symtab) ? nlp->symtab->filename : "",
- (nlp->function) ? SYMBOL_LINKAGE_NAME (nlp->function) : "",
- (!nlp->function) ? paddress (gdbarch, nlp->addr) : "");
- }
- else
- {
- if (nlp->showall)
- {
- snprintf (buf, buf_max, "%s:%d %s %s", nlp->symtab->filename,
- nlp->line,
- (nlp->function) ? SYMBOL_LINKAGE_NAME (nlp->function) : "",
- paddress (gdbarch, nlp->addr));
- }
- else
- {
- if (nlp->symtab)
- snprintf (buf, buf_max, "%s %d %s",
- (nlp->function) ? SYMBOL_LINKAGE_NAME (nlp->function) : "",
- nlp->line, paddress (gdbarch, nlp->addr));
- else
- snprintf (buf, buf_max, "%s %s",
- (nlp->function) ? SYMBOL_LINKAGE_NAME (nlp->function) : "",
- paddress (gdbarch, nlp->addr));
- }
- }
-}
-
-static void
-record_pic_edge (char *buf, int buf_max, struct edge_list *elp,
- char *node, char *prev_node)
-{
- if (elp->frame_diff)
- {
- if (elp->is_return)
- snprintf (buf, buf_max, "edge: {color:blue sourcename: \"%s\" "
- "targetname: \"%s\"",
- prev_node, node);
- else
- snprintf (buf, buf_max, "edge: {color:red sourcename: \"%s\" "
- "targetname: \"%s\"",
- prev_node, node);
- }
- else
- snprintf (buf, buf_max,
- "edge: {sourcename: \"%s\" targetname: \"%s\"",
- prev_node, node);
-}
-
-/* Save the execution log to a vcg file. */
-
-static void
-cmd_record_pic (char *args, int from_tty)
-{
- char *recfilename, recfilename_buffer[40];
- FILE *fp;
- struct cleanup *old_cleanups, *set_cleanups;
- struct regcache *regcache;
- struct gdbarch *gdbarch;
- struct record_entry *cur_record_list;
- char prev_node[256], line[256];
- CORE_ADDR prev_addr;
- struct frame_id fi, caller_fi, prev_fi, prev_caller_fi;
- struct function_list *function_list_tail, *function_list_prev;
- struct edge_list *edge_list_tail = NULL;
- struct node_list *node_list_tail = NULL;
- struct symtab_and_line sal, prev_sal;
- struct node_list *prev_nlp;
- struct node_list prev_nlp_real;
- int fid_count = 1;
-
- /* Check if record target is running. */
- if (current_target.to_stratum != record_stratum)
- error (_("This command can only be used with target 'record' \
-or target 'record-core'."));
-
- if (args && *args)
- recfilename = args;
- else
- {
- /* Default recfile name is "gdb_record_PID.vcg". */
- snprintf (recfilename_buffer, sizeof (recfilename_buffer),
- "gdb_record_%d.vcg", PIDGET (inferior_ptid));
- recfilename = recfilename_buffer;
- }
-
- /* Open the output file. */
- fp = fopen (recfilename, "wb");
- if (!fp)
- error (_("Unable to open file '%s'"), recfilename);
-
- old_cleanups = make_cleanup (record_pic_cleanups, fp);
-
- /* Save the current record entry to "cur_record_list". */
- cur_record_list = record_list;
-
- /* Get the values of regcache and gdbarch. */
- regcache = get_current_regcache ();
- gdbarch = get_regcache_arch (regcache);
-
- /* Disable the GDB operation record. */
- set_cleanups = record_gdb_operation_disable_set ();
-
- /* Reverse execute to the begin of record list. */
- while (1)
- {
- /* Check for beginning and end of log. */
- if (record_list == &record_first)
- break;
-
- record_exec_insn (regcache, gdbarch, record_list);
-
- if (record_list->prev)
- record_list = record_list->prev;
- }
-
- /* Write out the record log. */
- /* Write the head. */
- record_pic_fputs (fp, "graph: {title: \"GDB process record\"\n");
-
- /* Write the first node. */
- record_pic_fputs (fp, "node: {title: \"[BEGIN]\" vertical_order:0}\n");
-
- /* Initialization. */
- snprintf (prev_node, 256, "[BEGIN]");
- prev_fi = null_frame_id;
- prev_caller_fi = null_frame_id;
- prev_addr = 0;
- prev_sal.symtab = NULL;
- prev_sal.pc = 0;
- prev_sal.end = 0;
- prev_nlp_real.addr = 0;
- prev_nlp = &prev_nlp_real;
-
- /* Create first entry for function_list. */
- function_list = xmalloc (sizeof (struct function_list));
- function_list->next = NULL;
- function_list->addr = 0;
- function_list->fid = -1;
- function_list_tail = function_list;
- function_list_prev = function_list;
-
- /* Save the entries to fp and forward execute to the end of
- record list. */
- record_list = &record_first;
- while (1)
- {
- if (record_list->type == record_end)
- {
- int frame_diff = 0;
- CORE_ADDR addr = regcache_read_pc (regcache);
-
- /* Check if the ADDR is stil in the same line with the
- prev cycle. */
- if (prev_sal.symtab
- && addr >= prev_sal.pc && addr < prev_sal.end)
- goto exec;
- sal = find_pc_line (addr, 0);
-
- if (record_pic_hide_nosource && !sal.symtab)
- goto exec;
-
- /* Check if the inferior is in same frame with prev cycle.
- Check both the current fi and caller fi because the last
- addr of function is different with current function. */
- reinit_frame_cache ();
- fi = get_frame_id (get_current_frame ());
- caller_fi = frame_unwind_caller_id (get_current_frame ());
- if (!frame_id_eq (prev_fi, fi)
- && !frame_id_eq (prev_caller_fi, caller_fi))
- frame_diff = 1;
-
- if (set_record_pic_type == record_pic_line || frame_diff)
- {
- int is_return = 0;
- struct node_list *nlp = NULL;
- struct edge_list *elp = NULL;
- char node[256];
- struct minimal_symbol *function;
-
- /* Get the node addr. */
- if (set_record_pic_type == record_pic_function)
- {
- /* Get the start addr of function. */
- addr = get_pc_function_start (addr);
- if (addr == 0)
- {
- if (record_pic_hide_nofunction)
- goto exec;
- addr = regcache_read_pc (regcache);
- }
- }
- else
- {
- /* Get the start addr of line. */
- if (sal.symtab)
- addr = sal.pc;
- }
-
- function = lookup_minimal_symbol_by_pc (addr);
- if (!function && record_pic_hide_nofunction)
- goto exec;
-
- if (frame_id_eq (fi, prev_caller_fi))
- is_return = 1;
-
- if (record_pic_hide_same)
- {
- /* Check if addr in node_list. */
- for (nlp = node_list; nlp; nlp = nlp->next)
- {
- if (nlp->addr == addr)
- {
- if (!is_return
- || set_record_pic_type != record_pic_function)
- nlp->count ++;
- break;
- }
- }
-
- /* Check if prev_addr and addr in edge_list. */
- if (nlp)
- {
- for (elp = edge_list; elp; elp = elp->next)
- {
- if (elp->s->addr == prev_addr && elp->t->addr == addr)
- {
- elp->count ++;
- break;
- }
- }
- }
- }
-
- if (!nlp)
- {
- struct node_list nl;
- CORE_ADDR function_addr;
- struct function_list *flp;
-
- nl.addr = addr;
- if (frame_diff && sal.symtab)
- nl.showall = 1;
- else
- nl.showall = 0;
- nl.symtab = sal.symtab;
- nl.line = sal.line;
- nl.function = function;
-
- /* Get the fid of the nl. */
- if (set_record_pic_type != record_pic_function)
- function_addr = get_pc_function_start (addr);
- else
- function_addr = addr;
- if (function_list_prev->addr == function_addr)
- nl.fid = function_list_prev->fid;
- else
- {
- for (flp = function_list; flp; flp = flp->next)
- {
- if (flp->addr == function_addr)
- {
- nl.fid = flp->fid;
- break;
- }
- }
- if (flp == NULL)
- {
- /* Creat a new entry to function_list. */
- nl.fid = fid_count ++;
- flp = xmalloc (sizeof (struct function_list));
- flp->addr = function_addr;
- flp->fid = nl.fid;
- flp->next = NULL;
- function_list_tail->next = flp;
- function_list_tail = flp;
- }
- function_list_prev = flp;
- }
-
- if (record_pic_hide_same)
- {
- nlp = xmalloc (sizeof (struct node_list));
- *nlp = nl;
- nlp->count = 1;
-
- /* Add node to node_list. */
- nlp->next = NULL;
- if (node_list_tail)
- node_list_tail->next = nlp;
- if (node_list == NULL)
- node_list = nlp;
- node_list_tail = nlp;
- }
- else
- {
- /* Draw the node. */
- record_pic_node (node, 256, gdbarch,
- set_record_pic_type, &nl);
- snprintf (line, 256, "%s i:%s", node,
- pulongest (record_list->u.end.insn_num));
- strcpy (node, line);
- snprintf (line, 256, "node: {title: \"%s\" "
- "vertical_order: %d}\n",
- node, nl.fid);
- record_pic_fputs (fp, line);
- }
- }
-
- if (!elp)
- {
- struct edge_list el;
-
- el.is_return = is_return;
- el.frame_diff = frame_diff;
-
- if (record_pic_hide_same)
- {
- elp = xmalloc (sizeof (struct edge_list));
- *elp = el;
- elp->s = prev_nlp;
- elp->t = nlp;
- elp->count = 1;
-
- /* Add edge to edge_list. */
- elp->next = NULL;
- if (edge_list_tail)
- edge_list_tail->next = elp;
- if (edge_list == NULL)
- edge_list = elp;
- edge_list_tail = elp;
- }
- else
- {
- /* Draw the edge. */
- record_pic_edge (line, 256, &el, node, prev_node);
- record_pic_fputs (fp, line);
- record_pic_fputs (fp, " }\n");
- }
- }
-
- if (record_pic_hide_same)
- prev_nlp = nlp;
- else
- snprintf (prev_node, 256, "%s", node);
- prev_addr = addr;
- }
-
- prev_sal = sal;
- prev_fi = fi;
- prev_caller_fi = caller_fi;
- }
-
-exec:
- /* Execute entry. */
- record_exec_insn (regcache, gdbarch, record_list);
-
- if (record_list->next)
- record_list = record_list->next;
- else
- break;
- }
-
- if (record_pic_hide_same)
- {
- struct node_list *nlp = NULL;
- struct edge_list *elp = NULL;
- char node[256];
-
- for (nlp = node_list; nlp; nlp = nlp->next)
- {
- /* Draw the node. */
- record_pic_node (node, 256, gdbarch, set_record_pic_type, nlp);
- snprintf (line, 256, "node: {title: \"%s c:%d\" "
- "vertical_order: %d}\n", node,
- nlp->count, nlp->fid);
- record_pic_fputs (fp, line);
- }
-
- record_pic_node (node, 256, gdbarch, set_record_pic_type, edge_list->t);
- snprintf (line, 256,
- "edge: {color:red sourcename: \"[BEGIN]\" targetname: \"%s c:%d\"}\n",
- node, edge_list->count);
- record_pic_fputs (fp, line);
- for (elp = edge_list->next; elp; elp = elp->next)
- {
- /* Draw the edge. */
- record_pic_node (prev_node, 256, gdbarch, set_record_pic_type,
- elp->s);
- snprintf (line, 256, "%s c:%d", prev_node, elp->s->count);
- strcpy (prev_node, line);
- record_pic_node (node, 256, gdbarch, set_record_pic_type,
- elp->t);
- snprintf (line, 256, "%s c:%d", node, elp->t->count);
- strcpy (node, line);
- record_pic_edge (line, 256, elp, node, prev_node);
- record_pic_fputs (fp, line);
- snprintf (line, 256, " label: \"c:%d\"}\n", elp->count);
- record_pic_fputs (fp, line);
- }
- }
-
- /* Write the last node. */
- snprintf (line, 256, "node: {title: \"[END]\" vertical_order: %d}\n",
- fid_count);
- record_pic_fputs (fp, line);
- snprintf (line, 256,
- "edge: {color:red sourcename: \"%s\" targetname: \"[END]\" }\n",
- prev_node);
- record_pic_fputs (fp, line);
-
- /* Write the tail. */
- record_pic_fputs (fp, "}\n");
-
- /* Reverse execute to cur_record_list. */
- while (1)
- {
- /* Check for beginning and end of log. */
- if (record_list == cur_record_list)
- break;
-
- record_exec_insn (regcache, gdbarch, record_list);
-
- if (record_list->prev)
- record_list = record_list->prev;
- }
-
- do_cleanups (set_cleanups);
- do_cleanups (old_cleanups);
-
- /* Succeeded. */
- printf_filtered (_("Saved file %s with execution log.\n"),
- recfilename);
-}
-
/* record_goto_insn -- rewind the record log (forward or backward,
depending on DIR) to the given entry, changing the program state
correspondingly. */
NULL, NULL,
&set_record_cmdlist, &show_record_cmdlist);
- /* For "record pic" command. */
- c = add_cmd ("pic", class_obscure, cmd_record_pic,
- _("Save the execution log to a vcg file.\n\
-Argument is optional filename.\n\
-Default filename is 'gdb_record_<process_id>.vcg'."),
- &record_cmdlist);
- set_cmd_completer (c, filename_completer);
- add_prefix_cmd ("pic", class_support, set_record_pic_command,
- _("Set record pic options"), &set_record_pic_cmdlist,
- "set record pic ", 0, &set_record_cmdlist);
- add_prefix_cmd ("pic", class_support, show_record_pic_command,
- _("Show record pic options"), &show_record_pic_cmdlist,
- "show record pic ", 0, &show_record_cmdlist);
- add_setshow_enum_cmd ("type", no_class,
- record_pic_enum, &set_record_pic_type, _("\
-Set the type of the nodes that record pic command saved."), _("\
-Show the type of the nodes that record pic command saved."), _("\
-When LINE, each node of vcg file that command record pic saved\n\
-will be a line of the inferior.\n\
-When FUNCTION, each node of vcg file that command record pic saved\n\
-will be a function of the inferior."),
- NULL, NULL,
- &set_record_pic_cmdlist, &show_record_pic_cmdlist);
- add_setshow_boolean_cmd ("hide-nofunction", no_class,
- &record_pic_hide_nofunction, _("\
-Set whether record pic command hide the nodes that don't have the function name."), _("\
-Show whether record pic command hide the nodes that don't have the function name."), _("\
-Default is ON.\n\
-When ON, record pic command will hide the nodes that don't have\n\
-the function name.\n\
-When OFF, record pic command will show the nodes that don't have\n\
-the function name."),
- NULL, NULL,
- &set_record_pic_cmdlist, &show_record_pic_cmdlist);
- add_setshow_boolean_cmd ("hide-nosource", no_class,
- &record_pic_hide_nosource, _("\
-Set whether record pic command hide the nodes that don't have the source message."), _("\
-Show whether record pic command hide the nodes that don't have the source message."), _("\
-Default is ON.\n\
-When ON, record pic command will hide the nodes that don't have\n\
-the source message.\n\
-When OFF, record pic command will show the nodes that don't have\n\
-the source message."),
- NULL, NULL,
- &set_record_pic_cmdlist, &show_record_pic_cmdlist);
- add_setshow_boolean_cmd ("hide-sameaddr", no_class,
- &record_pic_hide_same, _("\
-Set whether record pic command hide the nodes that have the same address node in vcg file."), _("\
-Show whether record pic command hide the nodes that have the same address node in vcg file."), _("\
-Default is ON.\n\
-When ON, record pic command will hide the nodes that have\n\
-the same address node in vcg file.\n\
-And record pic will show the execute count number of this line\n\
-in format \"c:number\".\n\
-When OFF, record pic command will show the nodes that have\n\
-the same address node in vcg file.\n\
-And record pic show the instruction number in format \"i:number\"\n\
-that \"record goto\" support."),
- NULL, NULL,
- &set_record_pic_cmdlist, &show_record_pic_cmdlist);
}