/* Tracing functionality for remote targets in custom GDB protocol
- Copyright 1997 Free Software Foundation, Inc.
+ Copyright 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
-This file is part of GDB.
+ This file is part of GDB.
-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 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.
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ 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., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "symtab.h"
#include "frame.h"
-#include "tracepoint.h"
#include "gdbtypes.h"
#include "expression.h"
#include "gdbcmd.h"
#include "value.h"
#include "target.h"
#include "language.h"
+#include "gdb_string.h"
+#include "inferior.h"
+#include "tracepoint.h"
+#include "remote.h"
+#include "linespec.h"
+#include "completer.h"
+#include "regcache.h"
+
+#include "ax.h"
+#include "ax-gdb.h"
/* readline include files */
-#include "readline.h"
-#include "history.h"
+#include <readline/readline.h>
+#include <readline/history.h>
/* readline defines this. */
#undef savestring
#include <unistd.h>
#endif
+/* maximum length of an agent aexpression.
+ this accounts for the fact that packets are limited to 400 bytes
+ (which includes everything -- including the checksum), and assumes
+ the worst case of maximum length for each of the pieces of a
+ continuation packet.
+
+ NOTE: expressions get mem2hex'ed otherwise this would be twice as
+ large. (400 - 31)/2 == 184 */
+#define MAX_AGENT_EXPR_LEN 184
+
+
extern int info_verbose;
+extern void (*readline_begin_hook) (char *, ...);
+extern char *(*readline_hook) (char *);
+extern void (*readline_end_hook) (void);
+extern void x_command (char *, int);
+extern int addressprint; /* Print machine addresses? */
+
+/* GDB commands implemented in other modules:
+ */
+
+extern void output_command (char *, int);
+extern void registers_info (char *, int);
+extern void args_info (char *, int);
+extern void locals_info (char *, int);
+
/* If this definition isn't overridden by the header files, assume
that isatty and fileno exist on this system. */
#define ISATTY(FP) (isatty (fileno (FP)))
#endif
+/*
+ Tracepoint.c:
+
+ This module defines the following debugger commands:
+ trace : set a tracepoint on a function, line, or address.
+ info trace : list all debugger-defined tracepoints.
+ delete trace : delete one or more tracepoints.
+ enable trace : enable one or more tracepoints.
+ disable trace : disable one or more tracepoints.
+ actions : specify actions to be taken at a tracepoint.
+ passcount : specify a pass count for a tracepoint.
+ tstart : start a trace experiment.
+ tstop : stop a trace experiment.
+ tstatus : query the status of a trace experiment.
+ tfind : find a trace frame in the trace buffer.
+ tdump : print everything collected at the current tracepoint.
+ save-tracepoints : write tracepoint setup into a file.
+
+ This module defines the following user-visible debugger variables:
+ $trace_frame : sequence number of trace frame currently being debugged.
+ $trace_line : source line of trace frame currently being debugged.
+ $trace_file : source file of trace frame currently being debugged.
+ $tracepoint : tracepoint number of trace frame currently being debugged.
+ */
+
+
+/* ======= Important global variables: ======= */
+
/* Chain of all tracepoints defined. */
struct tracepoint *tracepoint_chain;
/* Number of last traceframe collected. */
static int traceframe_number;
+/* Tracepoint for last traceframe collected. */
+static int tracepoint_number;
+
+/* Symbol for function for last traceframe collected */
+static struct symbol *traceframe_fun;
+
+/* Symtab and line for last traceframe collected */
+static struct symtab_and_line traceframe_sal;
+
+/* Tracing command lists */
+static struct cmd_list_element *tfindlist;
+
+/* ======= Important command functions: ======= */
+static void trace_command (char *, int);
+static void tracepoints_info (char *, int);
+static void delete_trace_command (char *, int);
+static void enable_trace_command (char *, int);
+static void disable_trace_command (char *, int);
+static void trace_pass_command (char *, int);
+static void trace_actions_command (char *, int);
+static void trace_start_command (char *, int);
+static void trace_stop_command (char *, int);
+static void trace_status_command (char *, int);
+static void trace_find_command (char *, int);
+static void trace_find_pc_command (char *, int);
+static void trace_find_tracepoint_command (char *, int);
+static void trace_find_line_command (char *, int);
+static void trace_find_range_command (char *, int);
+static void trace_find_outside_command (char *, int);
+static void tracepoint_save_command (char *, int);
+static void trace_dump_command (char *, int);
+
+/* support routines */
+static void trace_mention (struct tracepoint *);
+
+struct collection_list;
+static void add_aexpr (struct collection_list *, struct agent_expr *);
+static unsigned char *mem2hex (unsigned char *, unsigned char *, int);
+static void add_register (struct collection_list *collection,
+ unsigned int regno);
+static struct cleanup *make_cleanup_free_actions (struct tracepoint *t);
+static void free_actions_list (char **actions_list);
+static void free_actions_list_cleanup_wrapper (void *);
+
+extern void _initialize_tracepoint (void);
+
/* Utility: returns true if "target remote" */
static int
-target_is_remote ()
+target_is_remote (void)
{
if (current_target.to_shortname &&
strcmp (current_target.to_shortname, "remote") == 0)
}
/* Utility: generate error from an incoming stub packet. */
-static void
-trace_error (buf)
- char *buf;
+static void
+trace_error (char *buf)
{
if (*buf++ != 'E')
return; /* not an error msg */
- switch (*buf)
+ switch (*buf)
{
case '1': /* malformed packet error */
if (*++buf == '0') /* general case: */
- error ("tracepoint.c: badly formed packet.");
+ error ("tracepoint.c: error in outgoing packet.");
else
- error ("tracepoint.c: badly formed packet at field #%d.",
- *buf - '0');
+ error ("tracepoint.c: error in outgoing packet at field #%d.",
+ strtol (buf, NULL, 16));
case '2':
- error ("trace API error '%s'.", buf);
+ error ("trace API error 0x%s.", ++buf);
default:
error ("Target returns error code '%s'.", buf);
}
}
-/* Obsolete: collect regs from a trace frame */
-static void
-trace_receive_regs (buf)
- char *buf;
-{
- long regno, i;
- char regbuf[MAX_REGISTER_RAW_SIZE], *tmp, *p = buf;
-
- while (*p)
- {
- regno = strtol (p, &tmp, 16);
- if (p == tmp || *tmp++ != ':')
- error ("tracepoint.c: malformed 'R' packet");
- else p = tmp;
-
- for (i = 0; i < REGISTER_RAW_SIZE (regno); i++)
- {
- if (p[0] == 0 || p[1] == 0)
- warning ("Remote reply is too short: %s", buf);
- regbuf[i] = fromhex (p[0]) * 16 + fromhex (p[1]);
- p += 2;
- }
-
- if (*p++ != ';')
- error ("tracepoint.c: malformed 'R' packet");
-
- supply_register (regno, regbuf);
- }
-}
-
/* Utility: wait for reply from stub, while accepting "O" packets */
-static void
-remote_get_noisy_reply (buf)
- char *buf;
+static char *
+remote_get_noisy_reply (char *buf,
+ long sizeof_buf)
{
- do /* loop on reply from remote stub */
+ do /* loop on reply from remote stub */
{
- getpkt (buf, 0);
+ QUIT; /* allow user to bail out with ^C */
+ getpkt (buf, sizeof_buf, 0);
if (buf[0] == 0)
error ("Target does not support this command.");
else if (buf[0] == 'E')
trace_error (buf);
- else if (buf[0] == 'R')
- {
- flush_cached_frames ();
- registers_changed ();
- select_frame (get_current_frame (), 0);
- trace_receive_regs (buf);
- }
else if (buf[0] == 'O' &&
buf[1] != 'K')
remote_console_output (buf + 1); /* 'O' message from stub */
else
- return; /* here's the actual reply */
- } while (1);
+ return buf; /* here's the actual reply */
+ }
+ while (1);
}
/* Set tracepoint count to NUM. */
static void
-set_tracepoint_count (num)
- int num;
+set_tracepoint_count (int num)
{
tracepoint_count = num;
set_internalvar (lookup_internalvar ("tpnum"),
/* Set traceframe number to NUM. */
static void
-set_traceframe_num (num)
- int num;
+set_traceframe_num (int num)
{
traceframe_number = num;
set_internalvar (lookup_internalvar ("trace_frame"),
value_from_longest (builtin_type_int, (LONGEST) num));
}
+/* Set tracepoint number to NUM. */
+static void
+set_tracepoint_num (int num)
+{
+ tracepoint_number = num;
+ set_internalvar (lookup_internalvar ("tracepoint"),
+ value_from_longest (builtin_type_int, (LONGEST) num));
+}
+
+/* Set externally visible debug variables for querying/printing
+ the traceframe context (line, function, file) */
+
+static void
+set_traceframe_context (CORE_ADDR trace_pc)
+{
+ static struct type *func_string, *file_string;
+ static struct type *func_range, *file_range;
+ static value_ptr func_val, file_val;
+ static struct type *charstar;
+ int len;
+
+ if (charstar == (struct type *) NULL)
+ charstar = lookup_pointer_type (builtin_type_char);
+
+ if (trace_pc == -1) /* cease debugging any trace buffers */
+ {
+ traceframe_fun = 0;
+ traceframe_sal.pc = traceframe_sal.line = 0;
+ traceframe_sal.symtab = NULL;
+ set_internalvar (lookup_internalvar ("trace_func"),
+ value_from_pointer (charstar, (LONGEST) 0));
+ set_internalvar (lookup_internalvar ("trace_file"),
+ value_from_pointer (charstar, (LONGEST) 0));
+ set_internalvar (lookup_internalvar ("trace_line"),
+ value_from_pointer (builtin_type_int, (LONGEST) - 1));
+ return;
+ }
+
+ /* save as globals for internal use */
+ traceframe_sal = find_pc_line (trace_pc, 0);
+ traceframe_fun = find_pc_function (trace_pc);
+
+ /* save linenumber as "$trace_line", a debugger variable visible to users */
+ set_internalvar (lookup_internalvar ("trace_line"),
+ value_from_longest (builtin_type_int,
+ (LONGEST) traceframe_sal.line));
+
+ /* save func name as "$trace_func", a debugger variable visible to users */
+ if (traceframe_fun == NULL ||
+ SYMBOL_NAME (traceframe_fun) == NULL)
+ set_internalvar (lookup_internalvar ("trace_func"),
+ value_from_pointer (charstar, (LONGEST) 0));
+ else
+ {
+ len = strlen (SYMBOL_NAME (traceframe_fun));
+ func_range = create_range_type (func_range,
+ builtin_type_int, 0, len - 1);
+ func_string = create_array_type (func_string,
+ builtin_type_char, func_range);
+ func_val = allocate_value (func_string);
+ VALUE_TYPE (func_val) = func_string;
+ memcpy (VALUE_CONTENTS_RAW (func_val),
+ SYMBOL_NAME (traceframe_fun),
+ len);
+ func_val->modifiable = 0;
+ set_internalvar (lookup_internalvar ("trace_func"), func_val);
+ }
+
+ /* save file name as "$trace_file", a debugger variable visible to users */
+ if (traceframe_sal.symtab == NULL ||
+ traceframe_sal.symtab->filename == NULL)
+ set_internalvar (lookup_internalvar ("trace_file"),
+ value_from_pointer (charstar, (LONGEST) 0));
+ else
+ {
+ len = strlen (traceframe_sal.symtab->filename);
+ file_range = create_range_type (file_range,
+ builtin_type_int, 0, len - 1);
+ file_string = create_array_type (file_string,
+ builtin_type_char, file_range);
+ file_val = allocate_value (file_string);
+ VALUE_TYPE (file_val) = file_string;
+ memcpy (VALUE_CONTENTS_RAW (file_val),
+ traceframe_sal.symtab->filename,
+ len);
+ file_val->modifiable = 0;
+ set_internalvar (lookup_internalvar ("trace_file"), file_val);
+ }
+}
+
/* Low level routine to set a tracepoint.
Returns the tracepoint object so caller can set other things.
Does not set the tracepoint number!
your arguments BEFORE calling this routine! */
static struct tracepoint *
-set_raw_tracepoint (sal)
- struct symtab_and_line sal;
+set_raw_tracepoint (struct symtab_and_line sal)
{
register struct tracepoint *t, *tc;
struct cleanup *old_chain;
t = (struct tracepoint *) xmalloc (sizeof (struct tracepoint));
- old_chain = make_cleanup (free, t);
+ old_chain = make_cleanup (xfree, t);
memset (t, 0, sizeof (*t));
t->address = sal.pc;
if (sal.symtab == NULL)
t->source_file = NULL;
else
- {
- t->source_file = (char *) xmalloc (strlen (sal.symtab->filename) +
- strlen (sal.symtab->dirname) + 1);
-
- strcpy (t->source_file, sal.symtab->dirname);
- strcat (t->source_file, sal.symtab->filename);
- }
+ t->source_file = savestring (sal.symtab->filename,
+ strlen (sal.symtab->filename));
+ t->section = sal.section;
t->language = current_language->la_language;
t->input_radix = input_radix;
t->line_number = sal.line;
t->next = 0;
t->step_count = 0;
t->pass_count = 0;
+ t->addr_string = NULL;
/* Add this tracepoint to the end of the chain
so that a list of tracepoints will come out in order
return t;
}
+/* Set a tracepoint according to ARG (function, linenum or *address) */
static void
-trace_command (arg, from_tty)
- char *arg;
- int from_tty;
+trace_command (char *arg, int from_tty)
{
- char **canonical = (char **)NULL;
+ char **canonical = (char **) NULL;
struct symtabs_and_lines sals;
struct symtab_and_line sal;
struct tracepoint *t;
- char *addr_start = 0, *addr_end = 0, *cond_start = 0, *cond_end = 0;
+ char *addr_start = 0, *addr_end = 0;
int i;
if (!arg || !*arg)
if (from_tty && info_verbose)
printf_filtered ("TRACE %s\n", arg);
- if (arg[0] == '/')
- {
- return;
- }
-
addr_start = arg;
- sals = decode_line_1 (&arg, 1, (struct symtab *)NULL, 0, &canonical);
- addr_end = arg;
- if (! sals.nelts)
- return; /* ??? Presumably decode_line_1 has already warned? */
+ sals = decode_line_1 (&arg, 1, (struct symtab *) NULL, 0, &canonical);
+ addr_end = arg;
+ if (!sals.nelts)
+ return; /* ??? Presumably decode_line_1 has already warned? */
/* Resolve all line numbers to PC's */
for (i = 0; i < sals.nelts; i++)
/* If a canonical line spec is needed use that instead of the
command string. */
- if (canonical != (char **)NULL && canonical[i] != NULL)
- t->addr_string = canonical[i];
+ if (canonical != (char **) NULL && canonical[i] != NULL)
+ t->addr_string = canonical[i];
else if (addr_start)
- t->addr_string = savestring (addr_start, addr_end - addr_start);
- if (cond_start)
- t->cond_string = savestring (cond_start, cond_end - cond_start);
+ t->addr_string = savestring (addr_start, addr_end - addr_start);
+
+ trace_mention (t);
/* Let the UI know of any additions */
if (create_tracepoint_hook)
- create_tracepoint_hook (t);
+ create_tracepoint_hook (t);
}
if (sals.nelts > 1)
{
printf_filtered ("Multiple tracepoints were set.\n");
- printf_filtered ("Use the \"delete\" command to delete unwanted tracepoints.\n");
+ printf_filtered ("Use 'delete trace' to delete unwanted tracepoints.\n");
+ }
+}
+
+/* Tell the user we have just set a tracepoint TP. */
+
+static void
+trace_mention (struct tracepoint *tp)
+{
+ printf_filtered ("Tracepoint %d", tp->number);
+
+ if (addressprint || (tp->source_file == NULL))
+ {
+ printf_filtered (" at ");
+ print_address_numeric (tp->address, 1, gdb_stdout);
}
+ if (tp->source_file)
+ printf_filtered (": file %s, line %d.",
+ tp->source_file, tp->line_number);
+
+ printf_filtered ("\n");
}
+/* Print information on tracepoint number TPNUM_EXP, or all if omitted. */
+
static void
-tracepoints_info (tpnum_exp, from_tty)
- char *tpnum_exp;
- int from_tty;
+tracepoints_info (char *tpnum_exp, int from_tty)
{
struct tracepoint *t;
struct action_line *action;
char wrap_indent[80];
struct symbol *sym;
int tpnum = -1;
-#if 0
- char *i1 = "\t", *i2 = "\t ";
- char *indent, *actionline;;
-#endif
if (tpnum_exp)
- tpnum = parse_and_eval_address (tpnum_exp);
+ tpnum = parse_and_eval_long (tpnum_exp);
ALL_TRACEPOINTS (t)
if (tpnum == -1 || tpnum == t->number)
- {
- extern int addressprint; /* print machine addresses? */
-
- if (!found_a_tracepoint++)
- printf_filtered (" *** [info tracepoints header line] ***\n");
-
- strcpy (wrap_indent, " ");
- if (addressprint)
- strcat (wrap_indent, " ");
-
- printf_filtered ("%-3d %-10s ", t->number,
- t->enabled == enabled ? "enabled" : "disabled");
- if (addressprint)
- { /* FIXME-32x64: need a print_address_numeric with field width */
- printf_filtered ("%s ", local_hex_string_custom ((unsigned long) t->address, "08l"));
- }
- if (t->source_file)
- {
- sym = find_pc_function (t->address);
- if (sym)
- {
- fputs_filtered ("in ", gdb_stdout);
- fputs_filtered (SYMBOL_SOURCE_NAME (sym), gdb_stdout);
- wrap_here (wrap_indent);
- fputs_filtered (" at ", gdb_stdout);
- }
- fputs_filtered (t->source_file, gdb_stdout);
- printf_filtered (":%d", t->line_number);
- }
- else
- print_address_symbolic (t->address, gdb_stdout, demangle, " ");
+ {
+ extern int addressprint; /* print machine addresses? */
- if (t->pass_count != 0)
- printf_filtered (" passcount = %d", t->pass_count);
- printf_filtered ("\n");
- if (t->actions)
- {
- printf_filtered (" Actions for tracepoint %d: \n", t->number);
-/* indent = i1; */
- for (action = t->actions; action; action = action->next)
- {
-#if 0
- actionline = action->action;
- while (isspace(*actionline))
- actionline++;
+ if (!found_a_tracepoint++)
+ {
+ printf_filtered ("Num Enb ");
+ if (addressprint)
+ printf_filtered ("Address ");
+ printf_filtered ("PassC StepC What\n");
+ }
+ strcpy (wrap_indent, " ");
+ if (addressprint)
+ strcat (wrap_indent, " ");
+
+ printf_filtered ("%-3d %-3s ", t->number,
+ t->enabled == enabled ? "y" : "n");
+ if (addressprint)
+ printf_filtered ("%s ",
+ local_hex_string_custom ((unsigned long) t->address,
+ "08l"));
+ printf_filtered ("%-5d %-5ld ", t->pass_count, t->step_count);
+
+ if (t->source_file)
+ {
+ sym = find_pc_sect_function (t->address, t->section);
+ if (sym)
+ {
+ fputs_filtered ("in ", gdb_stdout);
+ fputs_filtered (SYMBOL_SOURCE_NAME (sym), gdb_stdout);
+ wrap_here (wrap_indent);
+ fputs_filtered (" at ", gdb_stdout);
+ }
+ fputs_filtered (t->source_file, gdb_stdout);
+ printf_filtered (":%d", t->line_number);
+ }
+ else
+ print_address_symbolic (t->address, gdb_stdout, demangle, " ");
- printf_filtered ("%s%s\n", indent, actionline);
- if (0 == strncasecmp (actionline, "while-stepping", 14))
- indent = i2;
- else if (0 == strncasecmp (actionline, "end", 3))
- indent = i1;
-#else
- printf_filtered ("\t%s\n", action->action);
-#endif
- }
- }
- }
+ printf_filtered ("\n");
+ if (t->actions)
+ {
+ printf_filtered (" Actions for tracepoint %d: \n", t->number);
+ for (action = t->actions; action; action = action->next)
+ {
+ printf_filtered ("\t%s\n", action->action);
+ }
+ }
+ }
if (!found_a_tracepoint)
{
if (tpnum == -1)
- printf_filtered ("No tracepoints.\n");
+ printf_filtered ("No tracepoints.\n");
else
- printf_filtered ("No tracepoint number %d.\n", tpnum);
+ printf_filtered ("No tracepoint number %d.\n", tpnum);
}
}
/* Optimization: the code to parse an enable, disable, or delete TP command
is virtually identical except for whether it performs an enable, disable,
or delete. Therefore I've combined them into one function with an opcode.
- */
-enum tracepoint_opcode
+ */
+enum tracepoint_opcode
{
- enable,
- disable,
- delete
+ enable_op,
+ disable_op,
+ delete_op
};
-/* This function implements enable, disable and delete. */
+/* This function implements enable, disable and delete commands. */
static void
-tracepoint_operation (t, from_tty, opcode)
- struct tracepoint *t;
- int from_tty;
- enum tracepoint_opcode opcode;
+tracepoint_operation (struct tracepoint *t, int from_tty,
+ enum tracepoint_opcode opcode)
{
struct tracepoint *t2;
- struct action_line *action, *next;
- switch (opcode) {
- case enable:
- t->enabled = enabled;
- break;
- case disable:
- t->enabled = disabled;
- break;
- case delete:
- if (tracepoint_chain == t)
- tracepoint_chain = t->next;
+ if (t == NULL) /* no tracepoint operand */
+ return;
+
+ switch (opcode)
+ {
+ case enable_op:
+ t->enabled = enabled;
+ if (modify_tracepoint_hook)
+ modify_tracepoint_hook (t);
+ break;
+ case disable_op:
+ t->enabled = disabled;
+ if (modify_tracepoint_hook)
+ modify_tracepoint_hook (t);
+ break;
+ case delete_op:
+ if (tracepoint_chain == t)
+ tracepoint_chain = t->next;
- ALL_TRACEPOINTS (t2)
- if (t2->next == t)
+ ALL_TRACEPOINTS (t2)
+ if (t2->next == t)
{
t2->next = t->next;
break;
}
- /* Let the UI know of any deletions */
- if (delete_tracepoint_hook)
- delete_tracepoint_hook (t);
-
- if (t->cond_string)
- free (t->cond_string);
- if (t->addr_string)
- free (t->addr_string);
- if (t->source_file)
- free (t->source_file);
- for (action = t->actions; action; action = next)
- {
- next = action->next;
- if (action->action)
- free (action->action);
- free (action);
- }
- free (t);
- break;
- }
+ /* Let the UI know of any deletions */
+ if (delete_tracepoint_hook)
+ delete_tracepoint_hook (t);
+
+ if (t->addr_string)
+ xfree (t->addr_string);
+ if (t->source_file)
+ xfree (t->source_file);
+ if (t->actions)
+ free_actions (t);
+
+ xfree (t);
+ break;
+ }
}
-/* Utility: parse a tracepoint number and look it up in the list. */
+/* Utility: parse a tracepoint number and look it up in the list.
+ If MULTI_P is true, there might be a range of tracepoints in ARG.
+ if OPTIONAL_P is true, then if the argument is missing, the most
+ recent tracepoint (tracepoint_count) is returned. */
struct tracepoint *
-get_tracepoint_by_number (arg)
- char **arg;
+get_tracepoint_by_number (char **arg, int multi_p, int optional_p)
{
struct tracepoint *t;
- char *cp;
- value_ptr val;
int tpnum;
+ char *instring = arg == NULL ? NULL : *arg;
- if (arg == 0)
- error ("Bad tracepoint argument");
-
- if (*arg == 0 || **arg == 0) /* empty arg means refer to last tp */
- tpnum = tracepoint_count;
- else if (**arg == '$') /* handle convenience variable */
+ if (arg == NULL || *arg == NULL || ! **arg)
{
- cp = *arg + 1;
- /* find end of convenience variable name */
- while (**arg && **arg != ' ' && **arg != '\t')
- *arg++;
- /* null-terminate if necessary */
- if (**arg != 0)
- *(*arg++) = 0;
- val = value_of_internalvar (lookup_internalvar (cp));
- if (TYPE_CODE( VALUE_TYPE (val)) != TYPE_CODE_INT)
- error ("Convenience variable must have integral type.");
- tpnum = (int) value_as_long (val);
+ if (optional_p)
+ tpnum = tracepoint_count;
+ else
+ error_no_arg ("tracepoint number");
}
- else /* handle tracepoint number */
+ else
+ tpnum = multi_p ? get_number_or_range (arg) : get_number (arg);
+
+ if (tpnum <= 0)
{
- tpnum = strtol (*arg, arg, 10);
+ if (instring && *instring)
+ printf_filtered ("bad tracepoint number at or near '%s'\n", instring);
+ else
+ printf_filtered ("Tracepoint argument missing and no previous tracepoint\n");
+ return NULL;
}
+
ALL_TRACEPOINTS (t)
if (t->number == tpnum)
- {
- return t;
- }
- warning ("No tracepoint number %d.\n", tpnum);
+ {
+ return t;
+ }
+
+ /* FIXME: if we are in the middle of a range we don't want to give
+ a message. The current interface to get_number_or_range doesn't
+ allow us to discover this. */
+ printf_unfiltered ("No tracepoint number %d.\n", tpnum);
return NULL;
}
/* Utility: parse a list of tracepoint numbers, and call a func for each. */
static void
-map_args_over_tracepoints (args, from_tty, opcode)
- char *args;
- int from_tty;
- enum tracepoint_opcode opcode;
+map_args_over_tracepoints (char *args, int from_tty,
+ enum tracepoint_opcode opcode)
{
- struct tracepoint *t;
- int tpnum;
- char *cp;
+ struct tracepoint *t, *tmp;
if (args == 0 || *args == 0) /* do them all */
- ALL_TRACEPOINTS (t)
+ ALL_TRACEPOINTS_SAFE (t, tmp)
tracepoint_operation (t, from_tty, opcode);
else
while (*args)
{
- if (t = get_tracepoint_by_number (&args))
- tracepoint_operation (t, from_tty, opcode);
+ QUIT; /* give user option to bail out with ^C */
+ t = get_tracepoint_by_number (&args, 1, 0);
+ tracepoint_operation (t, from_tty, opcode);
while (*args == ' ' || *args == '\t')
args++;
}
}
+/* The 'enable trace' command enables tracepoints. Not supported by all targets. */
static void
-enable_trace_command (args, from_tty)
- char *args;
- int from_tty;
+enable_trace_command (char *args, int from_tty)
{
dont_repeat ();
- map_args_over_tracepoints (args, from_tty, enable);
+ map_args_over_tracepoints (args, from_tty, enable_op);
}
+/* The 'disable trace' command enables tracepoints. Not supported by all targets. */
static void
-disable_trace_command (args, from_tty)
- char *args;
- int from_tty;
+disable_trace_command (char *args, int from_tty)
{
dont_repeat ();
- map_args_over_tracepoints (args, from_tty, disable);
+ map_args_over_tracepoints (args, from_tty, disable_op);
}
+/* Remove a tracepoint (or all if no argument) */
static void
-delete_trace_command (args, from_tty)
- char *args;
- int from_tty;
+delete_trace_command (char *args, int from_tty)
{
dont_repeat ();
- if (!args || !*args)
- if (!query ("Delete all tracepoints? "))
- return;
+ if (!args || !*args) /* No args implies all tracepoints; */
+ if (from_tty) /* confirm only if from_tty... */
+ if (tracepoint_chain) /* and if there are tracepoints to delete! */
+ if (!query ("Delete all tracepoints? "))
+ return;
- map_args_over_tracepoints (args, from_tty, delete);
+ map_args_over_tracepoints (args, from_tty, delete_op);
}
+/* Set passcount for tracepoint.
+
+ First command argument is passcount, second is tracepoint number.
+ If tracepoint number omitted, apply to most recently defined.
+ Also accepts special argument "all". */
+
static void
-trace_pass_command (args, from_tty)
- char *args;
- int from_tty;
+trace_pass_command (char *args, int from_tty)
{
struct tracepoint *t1 = (struct tracepoint *) -1, *t2;
- unsigned long count;
+ unsigned int count;
+ int all = 0;
if (args == 0 || *args == 0)
- error ("PASS command requires an argument (count + optional TP num)");
+ error ("passcount command requires an argument (count + optional TP num)");
count = strtoul (args, &args, 10); /* count comes first, then TP num */
- while (*args && isspace (*args))
+ while (*args && isspace ((int) *args))
args++;
if (*args && strncasecmp (args, "all", 3) == 0)
- args += 3; /* skip special argument "all" */
+ {
+ args += 3; /* skip special argument "all" */
+ all = 1;
+ if (*args)
+ error ("Junk at end of arguments.");
+ }
else
- t1 = get_tracepoint_by_number (&args);
+ t1 = get_tracepoint_by_number (&args, 1, 1);
- if (t1 == NULL)
- return; /* error, bad tracepoint number */
+ do
+ {
+ if (t1)
+ {
+ ALL_TRACEPOINTS (t2)
+ if (t1 == (struct tracepoint *) -1 || t1 == t2)
+ {
+ t2->pass_count = count;
+ if (modify_tracepoint_hook)
+ modify_tracepoint_hook (t2);
+ if (from_tty)
+ printf_filtered ("Setting tracepoint %d's passcount to %d\n",
+ t2->number, count);
+ }
+ if (! all && *args)
+ t1 = get_tracepoint_by_number (&args, 1, 0);
+ }
+ }
+ while (*args);
+}
- ALL_TRACEPOINTS (t2)
- if (t1 == (struct tracepoint *) -1 || t1 == t2)
- {
- t2->pass_count = count;
- if (from_tty)
- printf_filtered ("Setting tracepoint %d's passcount to %d\n",
- t2->number, count);
- }
+/* ACTIONS functions: */
+
+/* Prototypes for action-parsing utility commands */
+static void read_actions (struct tracepoint *);
+
+/* The three functions:
+ collect_pseudocommand,
+ while_stepping_pseudocommand, and
+ end_actions_pseudocommand
+ are placeholders for "commands" that are actually ONLY to be used
+ within a tracepoint action list. If the actual function is ever called,
+ it means that somebody issued the "command" at the top level,
+ which is always an error. */
+
+static void
+end_actions_pseudocommand (char *args, int from_tty)
+{
+ error ("This command cannot be used at the top level.");
}
-/* ACTIONS ACTIONS ACTIONS */
+static void
+while_stepping_pseudocommand (char *args, int from_tty)
+{
+ error ("This command can only be used in a tracepoint actions list.");
+}
-static void read_actions PARAMS((struct tracepoint *));
-static void free_actions PARAMS((struct tracepoint *));
-static int validate_actionline PARAMS((char *, struct tracepoint *));
+static void
+collect_pseudocommand (char *args, int from_tty)
+{
+ error ("This command can only be used in a tracepoint actions list.");
+}
+/* Enter a list of actions for a tracepoint. */
static void
-trace_actions_command (args, from_tty)
- char *args;
- int from_tty;
+trace_actions_command (char *args, int from_tty)
{
struct tracepoint *t;
- char *actions;
+ char tmpbuf[128];
+ char *end_msg = "End with a line saying just \"end\".";
- if (t = get_tracepoint_by_number (&args))
+ t = get_tracepoint_by_number (&args, 0, 1);
+ if (t)
{
+ sprintf (tmpbuf, "Enter actions for tracepoint %d, one per line.",
+ t->number);
+
if (from_tty)
- printf_filtered ("Enter actions for tracepoint %d, one per line.\n",
- t->number);
+ {
+ if (readline_begin_hook)
+ (*readline_begin_hook) ("%s %s\n", tmpbuf, end_msg);
+ else if (input_from_terminal_p ())
+ printf_filtered ("%s\n%s\n", tmpbuf, end_msg);
+ }
+
free_actions (t);
+ t->step_count = 0; /* read_actions may set this */
read_actions (t);
+
+ if (readline_end_hook)
+ (*readline_end_hook) ();
/* tracepoints_changed () */
}
- /* else error, just return; */
+ /* else just return */
}
-enum actionline_type
-{
- BADLINE = -1,
- GENERIC = 0,
- END = 1,
- STEPPING = 2,
-};
-
+/* worker function */
static void
-read_actions (t)
- struct tracepoint *t;
+read_actions (struct tracepoint *t)
{
char *line;
char *prompt1 = "> ", *prompt2 = " > ";
immediate_quit++;
#ifdef STOP_SIGNAL
if (job_control)
- signal (STOP_SIGNAL, stop_sig);
+ {
+ if (event_loop_p)
+ signal (STOP_SIGNAL, handle_stop_sig);
+ else
+ signal (STOP_SIGNAL, stop_sig);
+ }
#endif
- old_chain = make_cleanup (free_actions, (void *) t);
+ old_chain = make_cleanup_free_actions (t);
while (1)
{
/* Make sure that all output has been output. Some machines may let
- you get away with leaving out some of the gdb_flush, but not all. */
+ you get away with leaving out some of the gdb_flush, but not all. */
wrap_here ("");
gdb_flush (gdb_stdout);
gdb_flush (gdb_stderr);
- if (instream == stdin && ISATTY (instream))
- line = readline (prompt);
+
+ if (readline_hook && instream == NULL)
+ line = (*readline_hook) (prompt);
+ else if (instream == stdin && ISATTY (instream))
+ {
+ line = readline (prompt);
+ if (line && *line) /* add it to command history */
+ add_history (line);
+ }
else
line = gdb_readline (0);
- linetype = validate_actionline (line, t);
+ linetype = validate_actionline (&line, t);
if (linetype == BADLINE)
- continue; /* already warned -- collect another line */
+ continue; /* already warned -- collect another line */
temp = xmalloc (sizeof (struct action_line));
temp->next = NULL;
}
if (linetype == STEPPING) /* begin "while-stepping" */
- if (prompt == prompt2)
- {
- warning ("Already processing 'while-stepping'");
- continue;
- }
- else
- prompt = prompt2; /* change prompt for stepping actions */
+ {
+ if (prompt == prompt2)
+ {
+ warning ("Already processing 'while-stepping'");
+ continue;
+ }
+ else
+ prompt = prompt2; /* change prompt for stepping actions */
+ }
else if (linetype == END)
- if (prompt == prompt2)
- prompt = prompt1; /* end of single-stepping actions */
- else
- break; /* end of actions */
+ {
+ if (prompt == prompt2)
+ {
+ prompt = prompt1; /* end of single-stepping actions */
+ }
+ else
+ { /* end of actions */
+ if (t->actions->next == NULL)
+ {
+ /* an "end" all by itself with no other actions means
+ this tracepoint has no actions. Discard empty list. */
+ free_actions (t);
+ }
+ break;
+ }
+ }
}
#ifdef STOP_SIGNAL
if (job_control)
signal (STOP_SIGNAL, SIG_DFL);
#endif
- immediate_quit = 0;
+ immediate_quit--;
discard_cleanups (old_chain);
}
-static enum actionline_type
-validate_actionline (line, t)
- char *line;
- struct tracepoint *t;
+/* worker function */
+enum actionline_type
+validate_actionline (char **line, struct tracepoint *t)
{
+ struct cmd_list_element *c;
+ struct expression *exp = NULL;
+ struct cleanup *old_chain = NULL;
char *p;
- struct expression *exp;
- value_ptr temp, temp2;
- for (p = line; isspace (*p); )
+ for (p = *line; isspace ((int) *p);)
p++;
/* symbol lookup etc. */
- if (*p == '\0') /* empty line: just prompt for another line. */
+ if (*p == '\0') /* empty line: just prompt for another line. */
return BADLINE;
- else if (0 == strncasecmp (p, "collect", 7))
+
+ if (*p == '#') /* comment line */
+ return GENERIC;
+
+ c = lookup_cmd (&p, cmdlist, "", -1, 1);
+ if (c == 0)
{
- p += 7;
- do { /* repeat over a comma-separated list */
- while (isspace (*p))
- p++;
-
- if (*p == '$' && /* look for special pseudo-symbols */
- ((0 == strncasecmp ("reg", p + 1, 3)) ||
- (0 == strncasecmp ("arg", p + 1, 3)) ||
- (0 == strncasecmp ("loc", p + 1, 3))))
- p = (char *) strchr (p, ',');
- else
- {
- exp = parse_exp_1 (&p, block_for_pc (t->address), 1);
- if (exp->elts[0].opcode != OP_VAR_VALUE &&
- /*exp->elts[0].opcode != OP_LONG && */
- /*exp->elts[0].opcode != UNOP_CAST && */
- exp->elts[0].opcode != OP_REGISTER)
- {
- warning ("collect: enter variable name or register.\n");
- return BADLINE;
- }
- if (exp->elts[0].opcode == OP_VAR_VALUE)
+ warning ("'%s' is not an action that I know, or is ambiguous.", p);
+ return BADLINE;
+ }
+
+ if (c->function.cfunc == collect_pseudocommand)
+ {
+ struct agent_expr *aexpr;
+ struct agent_reqs areqs;
+
+ do
+ { /* repeat over a comma-separated list */
+ QUIT; /* allow user to bail out with ^C */
+ while (isspace ((int) *p))
+ p++;
+
+ if (*p == '$') /* look for special pseudo-symbols */
+ {
+ if ((0 == strncasecmp ("reg", p + 1, 3)) ||
+ (0 == strncasecmp ("arg", p + 1, 3)) ||
+ (0 == strncasecmp ("loc", p + 1, 3)))
+ {
+ p = strchr (p, ',');
+ continue;
+ }
+ /* else fall thru, treat p as an expression and parse it! */
+ }
+ exp = parse_exp_1 (&p, block_for_pc (t->address), 1);
+ old_chain = make_cleanup (free_current_contents, &exp);
+
+ if (exp->elts[0].opcode == OP_VAR_VALUE)
+ {
if (SYMBOL_CLASS (exp->elts[2].symbol) == LOC_CONST)
{
- warning ("%s is constant (value %d): will not be collected.",
+ warning ("constant %s (value %ld) will not be collected.",
SYMBOL_NAME (exp->elts[2].symbol),
SYMBOL_VALUE (exp->elts[2].symbol));
return BADLINE;
SYMBOL_NAME (exp->elts[2].symbol));
return BADLINE;
}
- }
- } while (p && *p++ == ',');
+ }
+
+ /* we have something to collect, make sure that the expr to
+ bytecode translator can handle it and that it's not too long */
+ aexpr = gen_trace_for_expr (t->address, exp);
+ make_cleanup_free_agent_expr (aexpr);
+
+ if (aexpr->len > MAX_AGENT_EXPR_LEN)
+ error ("expression too complicated, try simplifying");
+
+ ax_reqs (aexpr, &areqs);
+ (void) make_cleanup (xfree, areqs.reg_mask);
+
+ if (areqs.flaw != agent_flaw_none)
+ error ("malformed expression");
+
+ if (areqs.min_height < 0)
+ error ("gdb: Internal error: expression has min height < 0");
+
+ if (areqs.max_height > 20)
+ error ("expression too complicated, try simplifying");
+
+ do_cleanups (old_chain);
+ }
+ while (p && *p++ == ',');
return GENERIC;
}
- else if (0 == strncasecmp (p, "while-stepping", 14))
+ else if (c->function.cfunc == while_stepping_pseudocommand)
{
- char *steparg; /* in case warning is necessary */
+ char *steparg; /* in case warning is necessary */
- p += 14;
- while (isspace (*p))
+ while (isspace ((int) *p))
p++;
steparg = p;
- if (*p)
+ if (*p == '\0' ||
+ (t->step_count = strtol (p, &p, 0)) == 0)
{
- t->step_count = strtol (p, &p, 0);
- if (t->step_count == 0)
- {
- warning ("'%s' evaluates to zero -- command ignored.");
- return BADLINE;
- }
+ warning ("'%s': bad step-count; command ignored.", *line);
+ return BADLINE;
}
- else
- t->step_count = -1;
return STEPPING;
}
- else if (0 == strncasecmp (p, "end", 3))
+ else if (c->function.cfunc == end_actions_pseudocommand)
return END;
else
{
- warning ("'%s' is not a supported tracepoint action.", p);
+ warning ("'%s' is not a supported tracepoint action.", *line);
return BADLINE;
}
}
-static void
-free_actions (t)
- struct tracepoint *t;
+/* worker function */
+void
+free_actions (struct tracepoint *t)
{
struct action_line *line, *next;
for (line = t->actions; line; line = next)
{
next = line->next;
- free (line);
+ if (line->action)
+ xfree (line->action);
+ xfree (line);
}
t->actions = NULL;
}
-struct memrange {
+static void
+do_free_actions_cleanup (void *t)
+{
+ free_actions (t);
+}
+
+static struct cleanup *
+make_cleanup_free_actions (struct tracepoint *t)
+{
+ return make_cleanup (do_free_actions_cleanup, t);
+}
+
+struct memrange
+{
int type; /* 0 for absolute memory range, else basereg number */
bfd_signed_vma start;
bfd_signed_vma end;
};
-struct collection_list {
- unsigned char regs_mask[8]; /* room for up to 256 regs */
- long listsize;
- long next_memrange;
- struct memrange *list;
-} tracepoint_list, stepping_list;
+struct collection_list
+ {
+ unsigned char regs_mask[8]; /* room for up to 256 regs */
+ long listsize;
+ long next_memrange;
+ struct memrange *list;
+ long aexpr_listsize; /* size of array pointed to by expr_list elt */
+ long next_aexpr_elt;
+ struct agent_expr **aexpr_list;
+
+ }
+tracepoint_list, stepping_list;
+
+/* MEMRANGE functions: */
+
+static int memrange_cmp (const void *, const void *);
+/* compare memranges for qsort */
static int
-memrange_cmp (a, b)
- struct memrange *a, *b;
+memrange_cmp (const void *va, const void *vb)
{
- if (a->type < b->type) return -1;
- if (a->type > b->type) return 1;
+ const struct memrange *a = va, *b = vb;
+
+ if (a->type < b->type)
+ return -1;
+ if (a->type > b->type)
+ return 1;
if (a->type == 0)
{
- if ((bfd_vma) a->start < (bfd_vma) b->start) return -1;
- if ((bfd_vma) a->start > (bfd_vma) b->start) return 1;
+ if ((bfd_vma) a->start < (bfd_vma) b->start)
+ return -1;
+ if ((bfd_vma) a->start > (bfd_vma) b->start)
+ return 1;
}
else
{
- if (a->start < b->start) return -1;
- if (a->start > b->start) return 1;
+ if (a->start < b->start)
+ return -1;
+ if (a->start > b->start)
+ return 1;
}
return 0;
}
+/* Sort the memrange list using qsort, and merge adjacent memranges */
static void
-memrange_sortmerge (memranges)
- struct collection_list *memranges;
+memrange_sortmerge (struct collection_list *memranges)
{
int a, b;
- qsort (memranges->list, memranges->next_memrange,
+ qsort (memranges->list, memranges->next_memrange,
sizeof (struct memrange), memrange_cmp);
if (memranges->next_memrange > 0)
{
for (a = 0, b = 1; b < memranges->next_memrange; b++)
{
if (memranges->list[a].type == memranges->list[b].type &&
- memranges->list[b].start - memranges->list[a].end <=
+ memranges->list[b].start - memranges->list[a].end <=
MAX_REGISTER_VIRTUAL_SIZE)
{
- memranges->list[a].end = memranges->list[b].end;
+ /* memrange b starts before memrange a ends; merge them. */
+ if (memranges->list[b].end > memranges->list[a].end)
+ memranges->list[a].end = memranges->list[b].end;
continue; /* next b, same a */
}
a++; /* next a */
if (a != b)
- memcpy (&memranges->list[a], &memranges->list[b],
+ memcpy (&memranges->list[a], &memranges->list[b],
sizeof (struct memrange));
}
memranges->next_memrange = a + 1;
}
}
-void
-add_register (collection, regno)
- struct collection_list *collection;
- unsigned long regno;
+/* Add a register to a collection list */
+static void
+add_register (struct collection_list *collection, unsigned int regno)
{
if (info_verbose)
printf_filtered ("collect register %d\n", regno);
if (regno > (8 * sizeof (collection->regs_mask)))
error ("Internal: register number %d too large for tracepoint",
regno);
- collection->regs_mask [regno / 8] |= 1 << (regno % 8);
+ collection->regs_mask[regno / 8] |= 1 << (regno % 8);
}
+/* Add a memrange to a collection list */
static void
-add_memrange (memranges, type, base, len)
- struct collection_list *memranges;
- int type;
- bfd_signed_vma base;
- unsigned long len;
+add_memrange (struct collection_list *memranges, int type, bfd_signed_vma base,
+ unsigned long len)
{
if (info_verbose)
- printf_filtered ("(%d,0x%x,%d)\n", type, base, len);
+ {
+ printf_filtered ("(%d,", type);
+ printf_vma (base);
+ printf_filtered (",%ld)\n", len);
+ }
+
/* type: 0 == memory, n == basereg */
- memranges->list[memranges->next_memrange].type = type;
+ memranges->list[memranges->next_memrange].type = type;
/* base: addr if memory, offset if reg relative. */
memranges->list[memranges->next_memrange].start = base;
/* len: we actually save end (base + len) for convenience */
- memranges->list[memranges->next_memrange].end = base + len;
+ memranges->list[memranges->next_memrange].end = base + len;
memranges->next_memrange++;
if (memranges->next_memrange >= memranges->listsize)
{
memranges->listsize *= 2;
- memranges->list = xrealloc (memranges->list,
+ memranges->list = xrealloc (memranges->list,
memranges->listsize);
}
- if (type != 0) /* better collect the base register! */
+ if (type != -1) /* better collect the base register! */
add_register (memranges, type);
}
+/* Add a symbol to a collection list */
static void
-collect_symbol (collect, sym)
- struct collection_list *collect;
- struct symbol *sym;
+collect_symbol (struct collection_list *collect, struct symbol *sym,
+ long frame_regno, long frame_offset)
{
- unsigned long len;
- unsigned long reg;
+ unsigned long len;
+ unsigned int reg;
bfd_signed_vma offset;
- len = TYPE_LENGTH (check_typedef (SYMBOL_TYPE (sym)));
- switch (SYMBOL_CLASS (sym)) {
- default:
- printf_filtered ("%s: don't know symbol class %d\n",
- SYMBOL_NAME (sym), SYMBOL_CLASS (sym));
- break;
- case LOC_CONST:
- printf_filtered ("%s is constant, value is %d: will not be collected.\n",
- SYMBOL_NAME (sym), SYMBOL_VALUE (sym));
- break;
- case LOC_STATIC:
- offset = SYMBOL_VALUE_ADDRESS (sym);
- if (info_verbose)
- printf_filtered ("LOC_STATIC %s: collect %d bytes "
- "at 0x%08x\n",
- SYMBOL_NAME (sym), len, offset);
- add_memrange (collect, 0, offset, len); /* 0 == memory */
- break;
- case LOC_REGISTER:
- case LOC_REGPARM:
- reg = SYMBOL_VALUE (sym);
- if (info_verbose)
- printf_filtered ("LOC_REG[parm] %s: ", SYMBOL_NAME (sym));
- add_register (collect, reg);
- break;
- case LOC_ARG:
- case LOC_REF_ARG:
- printf_filtered ("Sorry, don't know how to do LOC_ARGs yet.\n");
- printf_filtered (" (will not collect %s)\n",
- SYMBOL_NAME (sym));
- break;
- case LOC_REGPARM_ADDR:
- reg = SYMBOL_VALUE (sym);
- offset = 0;
- if (info_verbose)
- {
- printf_filtered ("LOC_REGPARM_ADDR %s: Collect %d bytes at offset %d from reg %d\n",
- SYMBOL_NAME (sym), len, offset, reg);
- }
- add_memrange (collect, reg, offset, len);
- break;
- case LOC_LOCAL:
- case LOC_LOCAL_ARG:
- offset = SYMBOL_VALUE (sym);
- reg = FP_REGNUM;
- if (info_verbose)
- {
- printf_filtered ("LOC_LOCAL %s: Collect %d bytes at offset %d from frame ptr reg %d\n",
- SYMBOL_NAME (sym), len, offset, reg);
- }
- add_memrange (collect, reg, offset, len);
- break;
- case LOC_BASEREG:
- case LOC_BASEREG_ARG:
- reg = SYMBOL_BASEREG (sym);
- offset = SYMBOL_VALUE (sym);
- if (info_verbose)
- {
- printf_filtered ("LOC_BASEREG %s: collect %d bytes at offset %d from basereg %d\n",
- SYMBOL_NAME (sym), len, offset, reg);
- }
- add_memrange (collect, reg, offset, len);
- break;
- case LOC_UNRESOLVED:
- printf_filtered ("Don't know LOC_UNRESOLVED %s\n", SYMBOL_NAME (sym));
- break;
- case LOC_OPTIMIZED_OUT:
- printf_filtered ("%s has been optimized out of existance.\n",
- SYMBOL_NAME (sym));
- break;
- }
+ len = TYPE_LENGTH (check_typedef (SYMBOL_TYPE (sym)));
+ switch (SYMBOL_CLASS (sym))
+ {
+ default:
+ printf_filtered ("%s: don't know symbol class %d\n",
+ SYMBOL_NAME (sym), SYMBOL_CLASS (sym));
+ break;
+ case LOC_CONST:
+ printf_filtered ("constant %s (value %ld) will not be collected.\n",
+ SYMBOL_NAME (sym), SYMBOL_VALUE (sym));
+ break;
+ case LOC_STATIC:
+ offset = SYMBOL_VALUE_ADDRESS (sym);
+ if (info_verbose)
+ {
+ char tmp[40];
+
+ sprintf_vma (tmp, offset);
+ printf_filtered ("LOC_STATIC %s: collect %ld bytes at %s.\n",
+ SYMBOL_NAME (sym), len, tmp /* address */);
+ }
+ add_memrange (collect, -1, offset, len); /* 0 == memory */
+ break;
+ case LOC_REGISTER:
+ case LOC_REGPARM:
+ reg = SYMBOL_VALUE (sym);
+ if (info_verbose)
+ printf_filtered ("LOC_REG[parm] %s: ", SYMBOL_NAME (sym));
+ add_register (collect, reg);
+ /* check for doubles stored in two registers */
+ /* FIXME: how about larger types stored in 3 or more regs? */
+ if (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_FLT &&
+ len > REGISTER_RAW_SIZE (reg))
+ add_register (collect, reg + 1);
+ break;
+ case LOC_REF_ARG:
+ printf_filtered ("Sorry, don't know how to do LOC_REF_ARG yet.\n");
+ printf_filtered (" (will not collect %s)\n",
+ SYMBOL_NAME (sym));
+ break;
+ case LOC_ARG:
+ reg = frame_regno;
+ offset = frame_offset + SYMBOL_VALUE (sym);
+ if (info_verbose)
+ {
+ printf_filtered ("LOC_LOCAL %s: Collect %ld bytes at offset ",
+ SYMBOL_NAME (sym), len);
+ printf_vma (offset);
+ printf_filtered (" from frame ptr reg %d\n", reg);
+ }
+ add_memrange (collect, reg, offset, len);
+ break;
+ case LOC_REGPARM_ADDR:
+ reg = SYMBOL_VALUE (sym);
+ offset = 0;
+ if (info_verbose)
+ {
+ printf_filtered ("LOC_REGPARM_ADDR %s: Collect %ld bytes at offset ",
+ SYMBOL_NAME (sym), len);
+ printf_vma (offset);
+ printf_filtered (" from reg %d\n", reg);
+ }
+ add_memrange (collect, reg, offset, len);
+ break;
+ case LOC_LOCAL:
+ case LOC_LOCAL_ARG:
+ reg = frame_regno;
+ offset = frame_offset + SYMBOL_VALUE (sym);
+ if (info_verbose)
+ {
+ printf_filtered ("LOC_LOCAL %s: Collect %ld bytes at offset ",
+ SYMBOL_NAME (sym), len);
+ printf_vma (offset);
+ printf_filtered (" from frame ptr reg %d\n", reg);
+ }
+ add_memrange (collect, reg, offset, len);
+ break;
+ case LOC_BASEREG:
+ case LOC_BASEREG_ARG:
+ reg = SYMBOL_BASEREG (sym);
+ offset = SYMBOL_VALUE (sym);
+ if (info_verbose)
+ {
+ printf_filtered ("LOC_BASEREG %s: collect %ld bytes at offset ",
+ SYMBOL_NAME (sym), len);
+ printf_vma (offset);
+ printf_filtered (" from basereg %d\n", reg);
+ }
+ add_memrange (collect, reg, offset, len);
+ break;
+ case LOC_UNRESOLVED:
+ printf_filtered ("Don't know LOC_UNRESOLVED %s\n", SYMBOL_NAME (sym));
+ break;
+ case LOC_OPTIMIZED_OUT:
+ printf_filtered ("%s has been optimized out of existence.\n",
+ SYMBOL_NAME (sym));
+ break;
+ }
}
+/* Add all locals (or args) symbols to collection list */
static void
-add_local_symbols (collect, pc, type)
- struct collection_list *collect;
- CORE_ADDR pc;
- char type;
+add_local_symbols (struct collection_list *collect, CORE_ADDR pc,
+ long frame_regno, long frame_offset, int type)
{
struct symbol *sym;
- struct block *block;
+ struct block *block;
int i, nsyms, count = 0;
block = block_for_pc (pc);
while (block != 0)
{
+ QUIT; /* allow user to bail out with ^C */
nsyms = BLOCK_NSYMS (block);
for (i = 0; i < nsyms; i++)
{
sym = BLOCK_SYM (block, i);
- switch (SYMBOL_CLASS (sym)) {
- case LOC_LOCAL:
- case LOC_STATIC:
- case LOC_REGISTER:
- case LOC_BASEREG:
- if (type == 'L') /* collecting Locals */
- {
- count++;
- collect_symbol (collect, sym);
- }
- break;
- case LOC_ARG:
- case LOC_LOCAL_ARG:
- case LOC_REF_ARG:
- case LOC_REGPARM:
- case LOC_REGPARM_ADDR:
- case LOC_BASEREG_ARG:
- if (type == 'A') /* collecting Arguments */
- {
- count++;
- collect_symbol (collect, sym);
- }
- }
+ switch (SYMBOL_CLASS (sym))
+ {
+ default:
+ warning ("don't know how to trace local symbol %s",
+ SYMBOL_NAME (sym));
+ case LOC_LOCAL:
+ case LOC_STATIC:
+ case LOC_REGISTER:
+ case LOC_BASEREG:
+ if (type == 'L') /* collecting Locals */
+ {
+ count++;
+ collect_symbol (collect, sym, frame_regno, frame_offset);
+ }
+ break;
+ case LOC_ARG:
+ case LOC_LOCAL_ARG:
+ case LOC_REF_ARG:
+ case LOC_REGPARM:
+ case LOC_REGPARM_ADDR:
+ case LOC_BASEREG_ARG:
+ if (type == 'A') /* collecting Arguments */
+ {
+ count++;
+ collect_symbol (collect, sym, frame_regno, frame_offset);
+ }
+ }
}
if (BLOCK_FUNCTION (block))
break;
warning ("No %s found in scope.", type == 'L' ? "locals" : "args");
}
+/* worker function */
static void
-clear_collection_list (list)
- struct collection_list *list;
+clear_collection_list (struct collection_list *list)
{
+ int ndx;
+
list->next_memrange = 0;
+ for (ndx = 0; ndx < list->next_aexpr_elt; ndx++)
+ {
+ free_agent_expr (list->aexpr_list[ndx]);
+ list->aexpr_list[ndx] = NULL;
+ }
+ list->next_aexpr_elt = 0;
memset (list->regs_mask, 0, sizeof (list->regs_mask));
}
-static char *
-stringify_collection_list (list, string)
- struct collection_list *list;
- char *string;
+/* reduce a collection list to string form (for gdb protocol) */
+static char **
+stringify_collection_list (struct collection_list *list, char *string)
{
- char *end = string;
- long i;
+ char temp_buf[2048];
+ char tmp2[40];
+ int count;
+ int ndx = 0;
+ char *(*str_list)[];
+ char *end;
+ long i;
+
+ count = 1 + list->next_memrange + list->next_aexpr_elt + 1;
+ str_list = (char *(*)[]) xmalloc (count * sizeof (char *));
for (i = sizeof (list->regs_mask) - 1; i > 0; i--)
if (list->regs_mask[i] != 0) /* skip leading zeroes in regs_mask */
{
if (info_verbose)
printf_filtered ("\nCollecting registers (mask): 0x");
- *end++='R';
+ end = temp_buf;
+ *end++ = 'R';
for (; i >= 0; i--)
{
+ QUIT; /* allow user to bail out with ^C */
if (info_verbose)
printf_filtered ("%02X", list->regs_mask[i]);
- sprintf (end, "%02X", list->regs_mask[i]);
+ sprintf (end, "%02X", list->regs_mask[i]);
end += 2;
}
+ (*str_list)[ndx] = savestring (temp_buf, end - temp_buf);
+ ndx++;
}
if (info_verbose)
printf_filtered ("\n");
if (list->next_memrange > 0 && info_verbose)
printf_filtered ("Collecting memranges: \n");
- for (i = 0; i < list->next_memrange; i++)
+ for (i = 0, count = 0, end = temp_buf; i < list->next_memrange; i++)
{
+ QUIT; /* allow user to bail out with ^C */
+ sprintf_vma (tmp2, list->list[i].start);
if (info_verbose)
- printf_filtered ("(%d, 0x%x, %d)\n",
- list->list[i].type,
- list->list[i].start,
- list->list[i].end - list->list[i].start);
- sprintf (end, "M%X,%X,%X",
- list->list[i].type,
- list->list[i].start,
- list->list[i].end - list->list[i].start);
- end += strlen (end);
+ {
+ printf_filtered ("(%d, %s, %ld)\n",
+ list->list[i].type,
+ tmp2,
+ (long) (list->list[i].end - list->list[i].start));
+ }
+ if (count + 27 > MAX_AGENT_EXPR_LEN)
+ {
+ (*str_list)[ndx] = savestring (temp_buf, count);
+ ndx++;
+ count = 0;
+ end = temp_buf;
+ }
+
+ sprintf (end, "M%X,%s,%lX",
+ list->list[i].type,
+ tmp2,
+ (long) (list->list[i].end - list->list[i].start));
+
+ count += strlen (end);
+ end += count;
+ }
+
+ for (i = 0; i < list->next_aexpr_elt; i++)
+ {
+ QUIT; /* allow user to bail out with ^C */
+ if ((count + 10 + 2 * list->aexpr_list[i]->len) > MAX_AGENT_EXPR_LEN)
+ {
+ (*str_list)[ndx] = savestring (temp_buf, count);
+ ndx++;
+ count = 0;
+ end = temp_buf;
+ }
+ sprintf (end, "X%08X,", list->aexpr_list[i]->len);
+ end += 10; /* 'X' + 8 hex digits + ',' */
+ count += 10;
+
+ end = mem2hex (list->aexpr_list[i]->buf, end, list->aexpr_list[i]->len);
+ count += 2 * list->aexpr_list[i]->len;
}
- if (end == string)
+
+ if (count != 0)
+ {
+ (*str_list)[ndx] = savestring (temp_buf, count);
+ ndx++;
+ count = 0;
+ end = temp_buf;
+ }
+ (*str_list)[ndx] = NULL;
+
+ if (ndx == 0)
return NULL;
else
- return string;
+ return *str_list;
+}
+
+static void
+free_actions_list_cleanup_wrapper (void *al)
+{
+ free_actions_list (al);
+}
+
+static void
+free_actions_list (char **actions_list)
+{
+ int ndx;
+
+ if (actions_list == 0)
+ return;
+
+ for (ndx = 0; actions_list[ndx]; ndx++)
+ xfree (actions_list[ndx]);
+
+ xfree (actions_list);
}
+/* render all actions into gdb protocol */
static void
-encode_actions (t, tdp_actions, step_count, stepping_actions)
- struct tracepoint *t;
- char **tdp_actions;
- unsigned long *step_count;
- char **stepping_actions;
+encode_actions (struct tracepoint *t, char ***tdp_actions,
+ char ***stepping_actions)
{
- struct expression *exp;
- static char tdp_buff[2048], step_buff[2048];
+ static char tdp_buff[2048], step_buff[2048];
+ char *action_exp;
+ struct expression *exp = NULL;
struct action_line *action;
- char *action_exp;
- bfd_signed_vma offset;
- long i;
+ int i;
+ value_ptr tempval;
struct collection_list *collect;
+ struct cmd_list_element *cmd;
+ struct agent_expr *aexpr;
+ long frame_reg, frame_offset;
+
clear_collection_list (&tracepoint_list);
clear_collection_list (&stepping_list);
*tdp_actions = NULL;
*stepping_actions = NULL;
+ TARGET_VIRTUAL_FRAME_POINTER (t->address, &frame_reg, &frame_offset);
+
for (action = t->actions; action; action = action->next)
{
+ QUIT; /* allow user to bail out with ^C */
action_exp = action->action;
- while (isspace (*action_exp))
+ while (isspace ((int) *action_exp))
action_exp++;
- if (0 == strncasecmp (action_exp, "collect", 7))
- {
- action_exp = action_exp + 7;
- do { /* repeat over a comma-separated list */
- while (isspace (*action_exp))
- action_exp++;
+ if (*action_exp == '#') /* comment line */
+ return;
- if (0 == strncasecmp ("$reg", action_exp, 4))
- {
- for (i = 0; i < NUM_REGS; i++)
- add_register (collect, i);
- action_exp = (char *) strchr (action_exp, ','); /* more? */
- }
- else if (0 == strncasecmp ("$arg", action_exp, 4))
- {
- add_local_symbols (collect, t->address, 'A');
- action_exp = (char *) strchr (action_exp, ','); /* more? */
- }
- else if (0 == strncasecmp ("$loc", action_exp, 4))
- {
- add_local_symbols (collect, t->address, 'L');
- action_exp = (char *) strchr (action_exp, ','); /* more? */
- }
- else
- {
- unsigned long addr, len;
-
- exp = parse_exp_1 (&action_exp, block_for_pc (t->address), 1);
- switch (exp->elts[0].opcode) {
- case OP_REGISTER:
- i = exp->elts[1].longconst;
- if (info_verbose)
- printf_filtered ("OP_REGISTER: ");
- add_register (collect, i);
- break;
- case OP_VAR_VALUE:
- collect_symbol (collect, exp->elts[2].symbol);
- break;
-#if 0
- case OP_LONG:
- addr = exp->elts[2].longconst;
- if (*action_exp == ':')
- {
- exp = parse_exp_1 (&action_exp,
- block_for_pc (t->address),
- 1);
- if (exp->elts[0].opcode == OP_LONG)
- len = exp->elts[2].longconst;
- else
- error ("length field requires a literal long const");
- }
- else
- len = 4;
+ cmd = lookup_cmd (&action_exp, cmdlist, "", -1, 1);
+ if (cmd == 0)
+ error ("Bad action list item: %s", action_exp);
- add_memrange (collect, 0, addr, len);
- break;
-#endif
+ if (cmd->function.cfunc == collect_pseudocommand)
+ {
+ do
+ { /* repeat over a comma-separated list */
+ QUIT; /* allow user to bail out with ^C */
+ while (isspace ((int) *action_exp))
+ action_exp++;
+
+ if (0 == strncasecmp ("$reg", action_exp, 4))
+ {
+ for (i = 0; i < NUM_REGS; i++)
+ add_register (collect, i);
+ action_exp = strchr (action_exp, ','); /* more? */
}
- }
- } while (action_exp && *action_exp++ == ',');
- }
- else if (0 == strncasecmp (action_exp, "while-stepping", 14))
+ else if (0 == strncasecmp ("$arg", action_exp, 4))
+ {
+ add_local_symbols (collect,
+ t->address,
+ frame_reg,
+ frame_offset,
+ 'A');
+ action_exp = strchr (action_exp, ','); /* more? */
+ }
+ else if (0 == strncasecmp ("$loc", action_exp, 4))
+ {
+ add_local_symbols (collect,
+ t->address,
+ frame_reg,
+ frame_offset,
+ 'L');
+ action_exp = strchr (action_exp, ','); /* more? */
+ }
+ else
+ {
+ unsigned long addr, len;
+ struct cleanup *old_chain = NULL;
+ struct cleanup *old_chain1 = NULL;
+ struct agent_reqs areqs;
+
+ exp = parse_exp_1 (&action_exp, block_for_pc (t->address), 1);
+ old_chain = make_cleanup (free_current_contents, &exp);
+
+ switch (exp->elts[0].opcode)
+ {
+ case OP_REGISTER:
+ i = exp->elts[1].longconst;
+ if (info_verbose)
+ printf_filtered ("OP_REGISTER: ");
+ add_register (collect, i);
+ break;
+
+ case UNOP_MEMVAL:
+ /* safe because we know it's a simple expression */
+ tempval = evaluate_expression (exp);
+ addr = VALUE_ADDRESS (tempval) + VALUE_OFFSET (tempval);
+ len = TYPE_LENGTH (check_typedef (exp->elts[1].type));
+ add_memrange (collect, -1, addr, len);
+ break;
+
+ case OP_VAR_VALUE:
+ collect_symbol (collect,
+ exp->elts[2].symbol,
+ frame_reg,
+ frame_offset);
+ break;
+
+ default: /* full-fledged expression */
+ aexpr = gen_trace_for_expr (t->address, exp);
+
+ old_chain1 = make_cleanup_free_agent_expr (aexpr);
+
+ ax_reqs (aexpr, &areqs);
+ if (areqs.flaw != agent_flaw_none)
+ error ("malformed expression");
+
+ if (areqs.min_height < 0)
+ error ("gdb: Internal error: expression has min height < 0");
+ if (areqs.max_height > 20)
+ error ("expression too complicated, try simplifying");
+
+ discard_cleanups (old_chain1);
+ add_aexpr (collect, aexpr);
+
+ /* take care of the registers */
+ if (areqs.reg_mask_len > 0)
+ {
+ int ndx1;
+ int ndx2;
+
+ for (ndx1 = 0; ndx1 < areqs.reg_mask_len; ndx1++)
+ {
+ QUIT; /* allow user to bail out with ^C */
+ if (areqs.reg_mask[ndx1] != 0)
+ {
+ /* assume chars have 8 bits */
+ for (ndx2 = 0; ndx2 < 8; ndx2++)
+ if (areqs.reg_mask[ndx1] & (1 << ndx2))
+ /* it's used -- record it */
+ add_register (collect, ndx1 * 8 + ndx2);
+ }
+ }
+ }
+ break;
+ } /* switch */
+ do_cleanups (old_chain);
+ } /* do */
+ }
+ while (action_exp && *action_exp++ == ',');
+ } /* if */
+ else if (cmd->function.cfunc == while_stepping_pseudocommand)
{
collect = &stepping_list;
}
- else if (0 == strncasecmp (action_exp, "end", 3))
+ else if (cmd->function.cfunc == end_actions_pseudocommand)
{
if (collect == &stepping_list) /* end stepping actions */
collect = &tracepoint_list;
else
- break; /* end tracepoint actions */
+ break; /* end tracepoint actions */
}
- }
- memrange_sortmerge (&tracepoint_list);
- memrange_sortmerge (&stepping_list);
+ } /* for */
+ memrange_sortmerge (&tracepoint_list);
+ memrange_sortmerge (&stepping_list);
+
+ *tdp_actions = stringify_collection_list (&tracepoint_list, tdp_buff);
+ *stepping_actions = stringify_collection_list (&stepping_list, step_buff);
+}
- *tdp_actions = stringify_collection_list (&tracepoint_list, &tdp_buff);
- *stepping_actions = stringify_collection_list (&stepping_list, &step_buff);
+static void
+add_aexpr (struct collection_list *collect, struct agent_expr *aexpr)
+{
+ if (collect->next_aexpr_elt >= collect->aexpr_listsize)
+ {
+ collect->aexpr_list =
+ xrealloc (collect->aexpr_list,
+ 2 * collect->aexpr_listsize * sizeof (struct agent_expr *));
+ collect->aexpr_listsize *= 2;
+ }
+ collect->aexpr_list[collect->next_aexpr_elt] = aexpr;
+ collect->next_aexpr_elt++;
}
static char target_buf[2048];
+/* Set "transparent" memory ranges
+
+ Allow trace mechanism to treat text-like sections
+ (and perhaps all read-only sections) transparently,
+ i.e. don't reject memory requests from these address ranges
+ just because they haven't been collected. */
+
static void
-trace_start_command (args, from_tty)
- char *args;
- int from_tty;
-{ /* STUB_COMM MOSTLY_IMPLEMENTED */
+remote_set_transparent_ranges (void)
+{
+ extern bfd *exec_bfd;
+ asection *s;
+ bfd_size_type size;
+ bfd_vma lma;
+ int anysecs = 0;
+
+ if (!exec_bfd)
+ return; /* no information to give. */
+
+ strcpy (target_buf, "QTro");
+ for (s = exec_bfd->sections; s; s = s->next)
+ {
+ char tmp1[40], tmp2[40];
+
+ if ((s->flags & SEC_LOAD) == 0 ||
+ /* (s->flags & SEC_CODE) == 0 || */
+ (s->flags & SEC_READONLY) == 0)
+ continue;
+
+ anysecs = 1;
+ lma = s->lma;
+ size = bfd_get_section_size_before_reloc (s);
+ sprintf_vma (tmp1, lma);
+ sprintf_vma (tmp2, lma + size);
+ sprintf (target_buf + strlen (target_buf),
+ ":%s,%s", tmp1, tmp2);
+ }
+ if (anysecs)
+ {
+ putpkt (target_buf);
+ getpkt (target_buf, sizeof (target_buf), 0);
+ }
+}
+
+/* tstart command:
+
+ Tell target to clear any previous trace experiment.
+ Walk the list of tracepoints, and send them (and their actions)
+ to the target. If no errors,
+ Tell target to start a new trace experiment. */
+
+static void
+trace_start_command (char *args, int from_tty)
+{ /* STUB_COMM MOSTLY_IMPLEMENTED */
struct tracepoint *t;
char buf[2048];
- char *tdp_actions;
- char *stepping_actions;
- unsigned long step_count;
+ char **tdp_actions;
+ char **stepping_actions;
+ int ndx;
+ struct cleanup *old_chain = NULL;
+
+ dont_repeat (); /* like "run", dangerous to repeat accidentally */
- dont_repeat (); /* like "run", dangerous to repeat accidentally */
-
if (target_is_remote ())
{
putpkt ("QTinit");
- remote_get_noisy_reply (target_buf);
+ remote_get_noisy_reply (target_buf, sizeof (target_buf));
if (strcmp (target_buf, "OK"))
error ("Target does not support this command.");
ALL_TRACEPOINTS (t)
- {
- int ss_count; /* if actions include singlestepping */
- int disable_mask; /* ??? */
- int enable_mask; /* ??? */
-
- sprintf (buf, "QTDP:%x:%x:%c:%x:%x", t->number, t->address,
- t->enabled == enabled ? 'E' : 'D',
- t->step_count, t->pass_count);
- if (t->actions)
- {
- encode_actions (t, &tdp_actions, &step_count, &stepping_actions);
- /* do_single_steps (t); */
- if (tdp_actions)
- {
- if (strlen (buf) + strlen (tdp_actions) >= sizeof (buf))
- error ("Actions for tracepoint %d too complex; "
- "please simplify.", t->number);
- strcat (buf, tdp_actions);
- }
- if (stepping_actions)
- {
- strcat (buf, "S");
- if (strlen (buf) + strlen (stepping_actions) >= sizeof (buf))
- error ("Actions for tracepoint %d too complex; "
- "please simplify.", t->number);
- strcat (buf, stepping_actions);
- }
- }
- putpkt (buf);
- remote_get_noisy_reply (target_buf);
- if (strcmp (target_buf, "OK"))
- error ("Target does not support tracepoints.");
- }
+ {
+ char tmp[40];
+
+ sprintf_vma (tmp, t->address);
+ sprintf (buf, "QTDP:%x:%s:%c:%lx:%x", t->number, tmp, /* address */
+ t->enabled == enabled ? 'E' : 'D',
+ t->step_count, t->pass_count);
+
+ if (t->actions)
+ strcat (buf, "-");
+ putpkt (buf);
+ remote_get_noisy_reply (target_buf, sizeof (target_buf));
+ if (strcmp (target_buf, "OK"))
+ error ("Target does not support tracepoints.");
+
+ if (t->actions)
+ {
+ encode_actions (t, &tdp_actions, &stepping_actions);
+ old_chain = make_cleanup (free_actions_list_cleanup_wrapper,
+ tdp_actions);
+ (void) make_cleanup (free_actions_list_cleanup_wrapper,
+ stepping_actions);
+
+ /* do_single_steps (t); */
+ if (tdp_actions)
+ {
+ for (ndx = 0; tdp_actions[ndx]; ndx++)
+ {
+ QUIT; /* allow user to bail out with ^C */
+ sprintf (buf, "QTDP:-%x:%s:%s%c",
+ t->number, tmp, /* address */
+ tdp_actions[ndx],
+ ((tdp_actions[ndx + 1] || stepping_actions)
+ ? '-' : 0));
+ putpkt (buf);
+ remote_get_noisy_reply (target_buf, sizeof (target_buf));
+ if (strcmp (target_buf, "OK"))
+ error ("Error on target while setting tracepoints.");
+ }
+ }
+ if (stepping_actions)
+ {
+ for (ndx = 0; stepping_actions[ndx]; ndx++)
+ {
+ QUIT; /* allow user to bail out with ^C */
+ sprintf (buf, "QTDP:-%x:%s:%s%s%s",
+ t->number, tmp, /* address */
+ ((ndx == 0) ? "S" : ""),
+ stepping_actions[ndx],
+ (stepping_actions[ndx + 1] ? "-" : ""));
+ putpkt (buf);
+ remote_get_noisy_reply (target_buf, sizeof (target_buf));
+ if (strcmp (target_buf, "OK"))
+ error ("Error on target while setting tracepoints.");
+ }
+ }
+
+ do_cleanups (old_chain);
+ }
+ }
+ /* Tell target to treat text-like sections as transparent */
+ remote_set_transparent_ranges ();
+ /* Now insert traps and begin collecting data */
putpkt ("QTStart");
- remote_get_noisy_reply (target_buf);
+ remote_get_noisy_reply (target_buf, sizeof (target_buf));
if (strcmp (target_buf, "OK"))
error ("Bogus reply from target: %s", target_buf);
+ set_traceframe_num (-1); /* all old traceframes invalidated */
+ set_tracepoint_num (-1);
+ set_traceframe_context (-1);
+ trace_running_p = 1;
+ if (trace_start_stop_hook)
+ trace_start_stop_hook (1, from_tty);
+
}
else
- printf_filtered ("Trace can only be run on remote targets.\n");
+ error ("Trace can only be run on remote targets.");
}
+/* tstop command */
static void
-trace_stop_command (args, from_tty)
- char *args;
- int from_tty;
-{ /* STUB_COMM IS_IMPLEMENTED */
+trace_stop_command (char *args, int from_tty)
+{ /* STUB_COMM IS_IMPLEMENTED */
if (target_is_remote ())
{
putpkt ("QTStop");
- remote_get_noisy_reply (target_buf);
+ remote_get_noisy_reply (target_buf, sizeof (target_buf));
if (strcmp (target_buf, "OK"))
error ("Bogus reply from target: %s", target_buf);
+ trace_running_p = 0;
+ if (trace_start_stop_hook)
+ trace_start_stop_hook (0, from_tty);
}
else
error ("Trace can only be run on remote targets.");
}
+unsigned long trace_running_p;
+
+/* tstatus command */
static void
-trace_status_command (args, from_tty)
- char *args;
- int from_tty;
-{ /* STUB_COMM IS_IMPLEMENTED */
+trace_status_command (char *args, int from_tty)
+{ /* STUB_COMM IS_IMPLEMENTED */
if (target_is_remote ())
{
putpkt ("qTStatus");
- remote_get_noisy_reply (target_buf);
- if (strcmp (target_buf, "OK"))
+ remote_get_noisy_reply (target_buf, sizeof (target_buf));
+
+ if (target_buf[0] != 'T' ||
+ (target_buf[1] != '0' && target_buf[1] != '1'))
error ("Bogus reply from target: %s", target_buf);
+
+ /* exported for use by the GUI */
+ trace_running_p = (target_buf[1] == '1');
}
else
error ("Trace can only be run on remote targets.");
}
+/* Worker function for the various flavors of the tfind command */
static void
-trace_buff_command (args, from_tty)
- char *args;
- int from_tty;
-{ /* STUB_COMM NOT_IMPLEMENTED */
- if (args == 0 || *args == 0)
- printf_filtered ("TBUFFER command requires argument (on or off)\n");
- else if (strcasecmp (args, "on") == 0)
- printf_filtered ("tbuffer overflow on.\n");
- else if (strcasecmp (args, "off") == 0)
- printf_filtered ("tbuffer overflow off.\n");
+finish_tfind_command (char *msg,
+ long sizeof_msg,
+ int from_tty)
+{
+ int target_frameno = -1, target_tracept = -1;
+ CORE_ADDR old_frame_addr;
+ struct symbol *old_func;
+ char *reply;
+
+ old_frame_addr = FRAME_FP (get_current_frame ());
+ old_func = find_pc_function (read_pc ());
+
+ putpkt (msg);
+ reply = remote_get_noisy_reply (msg, sizeof_msg);
+
+ while (reply && *reply)
+ switch (*reply)
+ {
+ case 'F':
+ if ((target_frameno = (int) strtol (++reply, &reply, 16)) == -1)
+ {
+ /* A request for a non-existant trace frame has failed.
+ Our response will be different, depending on FROM_TTY:
+
+ If FROM_TTY is true, meaning that this command was
+ typed interactively by the user, then give an error
+ and DO NOT change the state of traceframe_number etc.
+
+ However if FROM_TTY is false, meaning that we're either
+ in a script, a loop, or a user-defined command, then
+ DON'T give an error, but DO change the state of
+ traceframe_number etc. to invalid.
+
+ The rationalle is that if you typed the command, you
+ might just have committed a typo or something, and you'd
+ like to NOT lose your current debugging state. However
+ if you're in a user-defined command or especially in a
+ loop, then you need a way to detect that the command
+ failed WITHOUT aborting. This allows you to write
+ scripts that search thru the trace buffer until the end,
+ and then continue on to do something else. */
+
+ if (from_tty)
+ error ("Target failed to find requested trace frame.");
+ else
+ {
+ if (info_verbose)
+ printf_filtered ("End of trace buffer.\n");
+ /* The following will not recurse, since it's special-cased */
+ trace_find_command ("-1", from_tty);
+ reply = NULL; /* break out of loop,
+ (avoid recursive nonsense) */
+ }
+ }
+ break;
+ case 'T':
+ if ((target_tracept = (int) strtol (++reply, &reply, 16)) == -1)
+ error ("Target failed to find requested trace frame.");
+ break;
+ case 'O': /* "OK"? */
+ if (reply[1] == 'K' && reply[2] == '\0')
+ reply += 2;
+ else
+ error ("Bogus reply from target: %s", reply);
+ break;
+ default:
+ error ("Bogus reply from target: %s", reply);
+ }
+
+ flush_cached_frames ();
+ registers_changed ();
+ select_frame (get_current_frame (), 0);
+ set_traceframe_num (target_frameno);
+ set_tracepoint_num (target_tracept);
+ if (target_frameno == -1)
+ set_traceframe_context (-1);
else
- printf_filtered ("TBUFFER: unknown argument (use on or off)\n");
-}
+ set_traceframe_context (read_pc ());
-static void
-trace_limit_command (args, from_tty)
- char *args;
- int from_tty;
-{ /* STUB_COMM NOT_IMPLEMENTED */
- printf_filtered ("Limit it to what?\n");
+ if (from_tty)
+ {
+ int source_only;
+
+ /* NOTE: in immitation of the step command, try to determine
+ whether we have made a transition from one function to another.
+ If so, we'll print the "stack frame" (ie. the new function and
+ it's arguments) -- otherwise we'll just show the new source line.
+
+ This determination is made by checking (1) whether the current
+ function has changed, and (2) whether the current FP has changed.
+ Hack: if the FP wasn't collected, either at the current or the
+ previous frame, assume that the FP has NOT changed. */
+
+ if (old_func == find_pc_function (read_pc ()) &&
+ (old_frame_addr == 0 ||
+ FRAME_FP (get_current_frame ()) == 0 ||
+ old_frame_addr == FRAME_FP (get_current_frame ())))
+ source_only = -1;
+ else
+ source_only = 1;
+
+ print_stack_frame (selected_frame, selected_frame_level, source_only);
+ do_displays ();
+ }
}
+/* trace_find_command takes a trace frame number n,
+ sends "QTFrame:<n>" to the target,
+ and accepts a reply that may contain several optional pieces
+ of information: a frame number, a tracepoint number, and an
+ indication of whether this is a trap frame or a stepping frame.
+
+ The minimal response is just "OK" (which indicates that the
+ target does not give us a frame number or a tracepoint number).
+ Instead of that, the target may send us a string containing
+ any combination of:
+ F<hexnum> (gives the selected frame number)
+ T<hexnum> (gives the selected tracepoint number)
+ */
+
+/* tfind command */
static void
-trace_find_command (args, from_tty)
- char *args;
- int from_tty;
-{ /* STUB_COMM PART_IMPLEMENTED */
+trace_find_command (char *args, int from_tty)
+{ /* STUB_COMM PART_IMPLEMENTED */
/* this should only be called with a numeric argument */
- int frameno, target_frameno;
- char buf[40], *tmp;
-
+ int frameno = -1;
+
if (target_is_remote ())
{
+ if (trace_find_hook)
+ trace_find_hook (args, from_tty);
+
if (args == 0 || *args == 0)
- frameno = traceframe_number + 1;
- else if (*args != '-' && !isdigit(*args))
- error ("tfind requires a literal (for now): %s rejected.", args);
+ { /* TFIND with no args means find NEXT trace frame. */
+ if (traceframe_number == -1)
+ frameno = 0; /* "next" is first one */
+ else
+ frameno = traceframe_number + 1;
+ }
+ else if (0 == strcmp (args, "-"))
+ {
+ if (traceframe_number == -1)
+ error ("not debugging trace buffer");
+ else if (from_tty && traceframe_number == 0)
+ error ("already at start of trace buffer");
+
+ frameno = traceframe_number - 1;
+ }
else
- frameno = strtol (args, 0, 0); /* for now, literals only */
+ frameno = parse_and_eval_long (args);
- sprintf (buf, "QTFrame:%x", frameno);
- putpkt (buf);
- remote_get_noisy_reply (target_buf);
+ if (frameno < -1)
+ error ("invalid input (%d is less than zero)", frameno);
- if (target_buf[0] != 'F')
- error ("Bogus reply from target: %s", target_buf);
- target_frameno = strtol (&target_buf[1], &tmp, 16);
- if (tmp == &target_buf[1])
- error ("Bogus reply from target: %s", target_buf);
- if (target_frameno != frameno)
- warning ("Target replied with different framenumber, %s != %x",
- target_buf, frameno);
-
- set_traceframe_num (target_frameno);
- flush_cached_frames ();
- registers_changed ();
- select_frame (get_current_frame (), 0);
+ sprintf (target_buf, "QTFrame:%x", frameno);
+ finish_tfind_command (target_buf, sizeof (target_buf), from_tty);
}
else
error ("Trace can only be run on remote targets.");
}
+/* tfind end */
+static void
+trace_find_end_command (char *args, int from_tty)
+{
+ trace_find_command ("-1", from_tty);
+}
+
+/* tfind none */
+static void
+trace_find_none_command (char *args, int from_tty)
+{
+ trace_find_command ("-1", from_tty);
+}
+
+/* tfind start */
static void
-trace_find_pc_command (args, from_tty)
- char *args;
- int from_tty;
-{ /* STUB_COMM PART_IMPLEMENTED */
+trace_find_start_command (char *args, int from_tty)
+{
+ trace_find_command ("0", from_tty);
+}
+
+/* tfind pc command */
+static void
+trace_find_pc_command (char *args, int from_tty)
+{ /* STUB_COMM PART_IMPLEMENTED */
CORE_ADDR pc;
- int target_frameno;
- char buf[40], *tmp;
+ char tmp[40];
if (target_is_remote ())
{
if (args == 0 || *args == 0)
- { /* TFIND PC <no args> is the same as TFIND <no args> */
- trace_find_command (args, from_tty);
- return;
- }
- if (!isdigit(*args))
- error ("tfind pc requires a literal argument (for now): %s rejected.",
- args);
+ pc = read_pc (); /* default is current pc */
+ else
+ pc = parse_and_eval_address (args);
- pc = strtol (args, 0, 0); /* for now, literals only */
- sprintf (buf, "QTFrame:pc:%x", pc);
- putpkt (buf);
- remote_get_noisy_reply (target_buf);
+ sprintf_vma (tmp, pc);
+ sprintf (target_buf, "QTFrame:pc:%s", tmp);
+ finish_tfind_command (target_buf, sizeof (target_buf), from_tty);
+ }
+ else
+ error ("Trace can only be run on remote targets.");
+}
- if (target_buf[0] != 'F')
- error ("Bogus reply from target: %s", target_buf);
- target_frameno = strtol (&target_buf[1], &tmp, 16);
- if (tmp == &target_buf[1])
- error ("Bogus reply from target: %s", target_buf);
+/* tfind tracepoint command */
+static void
+trace_find_tracepoint_command (char *args, int from_tty)
+{ /* STUB_COMM PART_IMPLEMENTED */
+ int tdp;
+
+ if (target_is_remote ())
+ {
+ if (args == 0 || *args == 0)
+ if (tracepoint_number == -1)
+ error ("No current tracepoint -- please supply an argument.");
+ else
+ tdp = tracepoint_number; /* default is current TDP */
+ else
+ tdp = parse_and_eval_long (args);
- set_traceframe_num (target_frameno);
- flush_cached_frames ();
- registers_changed ();
- select_frame (get_current_frame (), 0);
+ sprintf (target_buf, "QTFrame:tdp:%x", tdp);
+ finish_tfind_command (target_buf, sizeof (target_buf), from_tty);
}
else
error ("Trace can only be run on remote targets.");
}
+/* TFIND LINE command:
+
+ This command will take a sourceline for argument, just like BREAK
+ or TRACE (ie. anything that "decode_line_1" can handle).
+
+ With no argument, this command will find the next trace frame
+ corresponding to a source line OTHER THAN THE CURRENT ONE. */
+
static void
-trace_find_tdp_command (args, from_tty)
- char *args;
- int from_tty;
-{ /* STUB_COMM PART_IMPLEMENTED */
- int target_frameno, tdp;
- char buf[40], *tmp;
+trace_find_line_command (char *args, int from_tty)
+{ /* STUB_COMM PART_IMPLEMENTED */
+ static CORE_ADDR start_pc, end_pc;
+ struct symtabs_and_lines sals;
+ struct symtab_and_line sal;
+ struct cleanup *old_chain;
+ char startpc_str[40], endpc_str[40];
if (target_is_remote ())
{
if (args == 0 || *args == 0)
- { /* TFIND TDP <no args> is the same as TFIND <no args> */
- trace_find_command (args, from_tty);
- return;
+ {
+ sal = find_pc_line ((get_current_frame ())->pc, 0);
+ sals.nelts = 1;
+ sals.sals = (struct symtab_and_line *)
+ xmalloc (sizeof (struct symtab_and_line));
+ sals.sals[0] = sal;
+ }
+ else
+ {
+ sals = decode_line_spec (args, 1);
+ sal = sals.sals[0];
}
- if (!isdigit(*args))
- error ("tfind tdp command requires a literal argument (for now): %s",
- args);
-
- tdp = strtol (args, 0, 0); /* for now, literals only */
- sprintf (buf, "QTFrame:tdp:%x", tdp);
- putpkt (buf);
- remote_get_noisy_reply (target_buf);
-
- if (target_buf[0] != 'F')
- error ("Bogus reply from target: %s", target_buf);
- target_frameno = strtol (&target_buf[1], &tmp, 16);
- if (tmp == &target_buf[1])
- error ("Bogus reply from target: %s", target_buf);
- set_traceframe_num (target_frameno);
- flush_cached_frames ();
- registers_changed ();
- select_frame (get_current_frame (), 0);
+ old_chain = make_cleanup (xfree, sals.sals);
+ if (sal.symtab == 0)
+ {
+ printf_filtered ("TFIND: No line number information available");
+ if (sal.pc != 0)
+ {
+ /* This is useful for "info line *0x7f34". If we can't tell the
+ user about a source line, at least let them have the symbolic
+ address. */
+ printf_filtered (" for address ");
+ wrap_here (" ");
+ print_address (sal.pc, gdb_stdout);
+ printf_filtered (";\n -- will attempt to find by PC. \n");
+ }
+ else
+ {
+ printf_filtered (".\n");
+ return; /* no line, no PC; what can we do? */
+ }
+ }
+ else if (sal.line > 0
+ && find_line_pc_range (sal, &start_pc, &end_pc))
+ {
+ if (start_pc == end_pc)
+ {
+ printf_filtered ("Line %d of \"%s\"",
+ sal.line, sal.symtab->filename);
+ wrap_here (" ");
+ printf_filtered (" is at address ");
+ print_address (start_pc, gdb_stdout);
+ wrap_here (" ");
+ printf_filtered (" but contains no code.\n");
+ sal = find_pc_line (start_pc, 0);
+ if (sal.line > 0 &&
+ find_line_pc_range (sal, &start_pc, &end_pc) &&
+ start_pc != end_pc)
+ printf_filtered ("Attempting to find line %d instead.\n",
+ sal.line);
+ else
+ error ("Cannot find a good line.");
+ }
+ }
+ else
+ /* Is there any case in which we get here, and have an address
+ which the user would want to see? If we have debugging symbols
+ and no line numbers? */
+ error ("Line number %d is out of range for \"%s\".\n",
+ sal.line, sal.symtab->filename);
+
+ sprintf_vma (startpc_str, start_pc);
+ sprintf_vma (endpc_str, end_pc - 1);
+ if (args && *args) /* find within range of stated line */
+ sprintf (target_buf, "QTFrame:range:%s:%s", startpc_str, endpc_str);
+ else /* find OUTSIDE OF range of CURRENT line */
+ sprintf (target_buf, "QTFrame:outside:%s:%s", startpc_str, endpc_str);
+ finish_tfind_command (target_buf, sizeof (target_buf), from_tty);
+ do_cleanups (old_chain);
}
else
error ("Trace can only be run on remote targets.");
}
+/* tfind range command */
static void
-trace_find_range_command (args, from_tty)
- char *args;
- int from_tty;
-{ /* STUB_COMM PART_IMPLEMENTED */
+trace_find_range_command (char *args, int from_tty)
+{
static CORE_ADDR start, stop;
- int target_frameno;
- char buf[50], *tmp;
+ char start_str[40], stop_str[40];
+ char *tmp;
if (target_is_remote ())
{
- if (args == 0 || *args == 0 || !isdigit(*args))
- { /* XXX FIXME: what should default behavior be? */
- printf_filtered ("Usage: tfind range <address> <address>\n");
+ if (args == 0 || *args == 0)
+ { /* XXX FIXME: what should default behavior be? */
+ printf_filtered ("Usage: tfind range <startaddr>,<endaddr>\n");
return;
}
- start = strtol (args, &args, 0); /* for now, literals only */
- while (args && *args && isspace (*args))
- args++;
-
- if (args == 0 || *args == 0 || !isdigit(*args))
+ if (0 != (tmp = strchr (args, ',')))
{
- printf_filtered ("Usage: tfind range <address> <address>\n");
- return;
+ *tmp++ = '\0'; /* terminate start address */
+ while (isspace ((int) *tmp))
+ tmp++;
+ start = parse_and_eval_address (args);
+ stop = parse_and_eval_address (tmp);
+ }
+ else
+ { /* no explicit end address? */
+ start = parse_and_eval_address (args);
+ stop = start + 1; /* ??? */
}
- stop = strtol (args, &args, 0); /* for now, literals only */
-
- sprintf (buf, "QTFrame:range:%x:%x", start, stop);
- putpkt (buf);
- remote_get_noisy_reply (target_buf);
-
- if (target_buf[0] != 'F')
- error ("Bogus reply from target: %s", target_buf);
- target_frameno = strtol (&target_buf[1], &tmp, 16);
- if (tmp == &target_buf[1])
- error ("Bogus reply from target: %s", target_buf);
-
- set_traceframe_num (target_frameno);
- flush_cached_frames ();
- registers_changed ();
- select_frame (get_current_frame (), 0);
+ sprintf_vma (start_str, start);
+ sprintf_vma (stop_str, stop);
+ sprintf (target_buf, "QTFrame:range:%s:%s", start_str, stop_str);
+ finish_tfind_command (target_buf, sizeof (target_buf), from_tty);
}
else
- error ("Trace can only be run on remote targets.");
+ error ("Trace can only be run on remote targets.");
}
+/* tfind outside command */
static void
-trace_find_outside_command (args, from_tty)
- char *args;
- int from_tty;
-{ /* STUB_COMM PART_IMPLEMENTED */
+trace_find_outside_command (char *args, int from_tty)
+{
CORE_ADDR start, stop;
- int target_frameno;
- char buf[50], *tmp;
+ char start_str[40], stop_str[40];
+ char *tmp;
if (target_is_remote ())
{
- if (args == 0 || *args == 0 || !isdigit(*args))
- { /* XXX FIXME: what should default behavior be? */
- printf_filtered ("Usage: tfind outside <address> <address>\n");
+ if (args == 0 || *args == 0)
+ { /* XXX FIXME: what should default behavior be? */
+ printf_filtered ("Usage: tfind outside <startaddr>,<endaddr>\n");
return;
}
- start = strtol (args, &args, 0);
- while (args && *args && isspace (*args))
- args++;
-
- if (args == 0 || *args == 0 || !isdigit(*args))
+ if (0 != (tmp = strchr (args, ',')))
{
- printf_filtered ("Usage: tfind outside <address> <address>\n");
- return;
+ *tmp++ = '\0'; /* terminate start address */
+ while (isspace ((int) *tmp))
+ tmp++;
+ start = parse_and_eval_address (args);
+ stop = parse_and_eval_address (tmp);
+ }
+ else
+ { /* no explicit end address? */
+ start = parse_and_eval_address (args);
+ stop = start + 1; /* ??? */
}
- stop = strtol (args, &args, 0);
-
- sprintf (buf, "QTFrame:outside:%x:%x", start, stop);
- putpkt (buf);
- remote_get_noisy_reply (target_buf);
-
- if (target_buf[0] != 'F')
- error ("Bogus reply from target: %s", target_buf);
- target_frameno = strtol (&target_buf[1], &tmp, 16);
- if (tmp == &target_buf[1])
- error ("Bogus reply from target: %s", target_buf);
-
- set_traceframe_num (target_frameno);
- flush_cached_frames ();
- registers_changed ();
- select_frame (get_current_frame (), 0);
- }
- else
- error ("Trace can only be run on remote targets.");
-}
-
-static void
-trace_display_command (args, from_tty)
- char *args;
- int from_tty;
-{ /* STUB_COMM NOT_IMPLEMENTED */
- if (!target_is_remote ())
- {
- printf_filtered ("Trace can only be run on remote targets.\n");
- return;
+ sprintf_vma (start_str, start);
+ sprintf_vma (stop_str, stop);
+ sprintf (target_buf, "QTFrame:outside:%s:%s", start_str, stop_str);
+ finish_tfind_command (target_buf, sizeof (target_buf), from_tty);
}
-
- if (args && *args)
- printf_filtered ("Displaying trace as %s.\n", args);
else
- printf_filtered ("Displaying trace.\n");
+ error ("Trace can only be run on remote targets.");
}
+/* save-tracepoints command */
static void
-tracepoint_save_command (args, from_tty)
- char *args;
- int from_tty;
+tracepoint_save_command (char *args, int from_tty)
{
- struct tracepoint *tp;
+ struct tracepoint *tp;
struct action_line *line;
FILE *fp;
char *i1 = " ", *i2 = " ";
char *indent, *actionline;
+ char tmp[40];
if (args == 0 || *args == 0)
error ("Argument required (file name in which to save tracepoints");
error ("Unable to open file '%s' for saving tracepoints");
ALL_TRACEPOINTS (tp)
- {
- if (tp->addr_string)
- fprintf (fp, "trace %s\n", tp->addr_string);
- else
- fprintf (fp, "trace *0x%x\n", tp->address);
+ {
+ if (tp->addr_string)
+ fprintf (fp, "trace %s\n", tp->addr_string);
+ else
+ {
+ sprintf_vma (tmp, tp->address);
+ fprintf (fp, "trace *0x%s\n", tmp);
+ }
- if (tp->pass_count)
- fprintf (fp, " passcount %d\n", tp->pass_count);
+ if (tp->pass_count)
+ fprintf (fp, " passcount %d\n", tp->pass_count);
- if (tp->actions)
- {
- fprintf (fp, " actions\n");
- indent = i1;
- for (line = tp->actions; line; line = line->next)
- {
- actionline = line->action;
- while (isspace(*actionline))
- actionline++;
-
- fprintf (fp, "%s%s\n", indent, actionline);
- if (0 == strncasecmp (actionline, "while-stepping", 14))
- indent = i2;
- else if (0 == strncasecmp (actionline, "end", 3))
- indent = i1;
- }
- }
- }
+ if (tp->actions)
+ {
+ fprintf (fp, " actions\n");
+ indent = i1;
+ for (line = tp->actions; line; line = line->next)
+ {
+ struct cmd_list_element *cmd;
+
+ QUIT; /* allow user to bail out with ^C */
+ actionline = line->action;
+ while (isspace ((int) *actionline))
+ actionline++;
+
+ fprintf (fp, "%s%s\n", indent, actionline);
+ if (*actionline != '#') /* skip for comment lines */
+ {
+ cmd = lookup_cmd (&actionline, cmdlist, "", -1, 1);
+ if (cmd == 0)
+ error ("Bad action list item: %s", actionline);
+ if (cmd->function.cfunc == while_stepping_pseudocommand)
+ indent = i2;
+ else if (cmd->function.cfunc == end_actions_pseudocommand)
+ indent = i1;
+ }
+ }
+ }
+ }
fclose (fp);
if (from_tty)
printf_filtered ("Tracepoints saved to file '%s'.\n", args);
return;
}
+/* info scope command: list the locals for a scope. */
static void
-scope_info (args, from_tty)
- char *args;
- int from_tty;
+scope_info (char *args, int from_tty)
{
- struct symtab_and_line sal;
struct symtabs_and_lines sals;
struct symbol *sym;
+ struct minimal_symbol *msym;
struct block *block;
- char **canonical, *save_args = args, *symname;
- int i, nsyms, count = 0;
- enum address_class aclass;
+ char **canonical, *symname, *save_args = args;
+ int i, j, nsyms, count = 0;
if (args == 0 || *args == 0)
error ("requires an argument (function, line or *addr) to define a scope");
sals = decode_line_1 (&args, 1, NULL, 0, &canonical);
if (sals.nelts == 0)
- return; /* presumably decode_line_1 has already warned */
-
- printf_filtered ("Block for %s", save_args);
- /* Resolve all line numbers to PC's */
- for (i = 0; i < sals.nelts; i++)
- resolve_sal_pc (&sals.sals[i]);
+ return; /* presumably decode_line_1 has already warned */
+ /* Resolve line numbers to PC */
+ resolve_sal_pc (&sals.sals[0]);
block = block_for_pc (sals.sals[0].pc);
+
while (block != 0)
{
+ QUIT; /* allow user to bail out with ^C */
nsyms = BLOCK_NSYMS (block);
for (i = 0; i < nsyms; i++)
{
+ QUIT; /* allow user to bail out with ^C */
+ if (count == 0)
+ printf_filtered ("Scope for %s:\n", save_args);
count++;
sym = BLOCK_SYM (block, i);
- switch (SYMBOL_CLASS (sym)) {
- default:
- case LOC_UNDEF: /* messed up symbol? */
- symname = SYMBOL_NAME (sym);
- if (symname && *symname) /* guard against messed up name */
- printf_filtered ("Bogus symbol %s, class %d\n",
- symname, SYMBOL_CLASS (sym));
- else
- printf_filtered ("Completely bogus symbol, class %d.\n",
+ symname = SYMBOL_NAME (sym);
+ if (symname == NULL || *symname == '\0')
+ continue; /* probably botched, certainly useless */
+
+ printf_filtered ("Symbol %s is ", symname);
+ switch (SYMBOL_CLASS (sym))
+ {
+ default:
+ case LOC_UNDEF: /* messed up symbol? */
+ printf_filtered ("a bogus symbol, class %d.\n",
SYMBOL_CLASS (sym));
- count--; /* don't count this one */
- continue;
- case LOC_CONST: printf_filtered ("\nConstant "); break;
- case LOC_STATIC: printf_filtered ("\nStatic "); break;
- case LOC_REGISTER: printf_filtered ("\nRegister "); break;
- case LOC_ARG: printf_filtered ("\nArg "); break;
- case LOC_REF_ARG: printf_filtered ("\nReference Arg "); break;
- case LOC_REGPARM: printf_filtered ("\nRegister Arg "); break;
- case LOC_REGPARM_ADDR:
- printf_filtered ("\nIndirect Register Arg "); break;
- case LOC_LOCAL: printf_filtered ("\nStack Local "); break;
- case LOC_TYPEDEF: printf_filtered ("\nLocal Typedef "); break;
- case LOC_LABEL: printf_filtered ("\nLocal Label "); break;
- case LOC_BLOCK: printf_filtered ("\nLocal Function "); break;
- case LOC_CONST_BYTES: printf_filtered ("\nLoc. Byte Seq. "); break;
- case LOC_LOCAL_ARG: printf_filtered ("\nStack Arg "); break;
- case LOC_BASEREG: printf_filtered ("\nBasereg Local "); break;
- case LOC_BASEREG_ARG: printf_filtered ("\nBasereg Arg "); break;
- case LOC_UNRESOLVED:
- printf_filtered ("\nUnresolved Static "); break;
- case LOC_OPTIMIZED_OUT: printf_filtered ("\nOptimized-Out "); break;
- }
- type_print (SYMBOL_TYPE (sym), SYMBOL_NAME (sym), gdb_stdout, -1);
+ count--; /* don't count this one */
+ continue;
+ case LOC_CONST:
+ printf_filtered ("a constant with value %ld (0x%lx)",
+ SYMBOL_VALUE (sym), SYMBOL_VALUE (sym));
+ break;
+ case LOC_CONST_BYTES:
+ printf_filtered ("constant bytes: ");
+ if (SYMBOL_TYPE (sym))
+ for (j = 0; j < TYPE_LENGTH (SYMBOL_TYPE (sym)); j++)
+ fprintf_filtered (gdb_stdout, " %02x",
+ (unsigned) SYMBOL_VALUE_BYTES (sym)[j]);
+ break;
+ case LOC_STATIC:
+ printf_filtered ("in static storage at address ");
+ print_address_numeric (SYMBOL_VALUE_ADDRESS (sym), 1, gdb_stdout);
+ break;
+ case LOC_REGISTER:
+ printf_filtered ("a local variable in register $%s",
+ REGISTER_NAME (SYMBOL_VALUE (sym)));
+ break;
+ case LOC_ARG:
+ case LOC_LOCAL_ARG:
+ printf_filtered ("an argument at stack/frame offset %ld",
+ SYMBOL_VALUE (sym));
+ break;
+ case LOC_LOCAL:
+ printf_filtered ("a local variable at frame offset %ld",
+ SYMBOL_VALUE (sym));
+ break;
+ case LOC_REF_ARG:
+ printf_filtered ("a reference argument at offset %ld",
+ SYMBOL_VALUE (sym));
+ break;
+ case LOC_REGPARM:
+ printf_filtered ("an argument in register $%s",
+ REGISTER_NAME (SYMBOL_VALUE (sym)));
+ break;
+ case LOC_REGPARM_ADDR:
+ printf_filtered ("the address of an argument, in register $%s",
+ REGISTER_NAME (SYMBOL_VALUE (sym)));
+ break;
+ case LOC_TYPEDEF:
+ printf_filtered ("a typedef.\n");
+ continue;
+ case LOC_LABEL:
+ printf_filtered ("a label at address ");
+ print_address_numeric (SYMBOL_VALUE_ADDRESS (sym), 1, gdb_stdout);
+ break;
+ case LOC_BLOCK:
+ printf_filtered ("a function at address ");
+ print_address_numeric (BLOCK_START (SYMBOL_BLOCK_VALUE (sym)), 1,
+ gdb_stdout);
+ break;
+ case LOC_BASEREG:
+ printf_filtered ("a variable at offset %ld from register $%s",
+ SYMBOL_VALUE (sym),
+ REGISTER_NAME (SYMBOL_BASEREG (sym)));
+ break;
+ case LOC_BASEREG_ARG:
+ printf_filtered ("an argument at offset %ld from register $%s",
+ SYMBOL_VALUE (sym),
+ REGISTER_NAME (SYMBOL_BASEREG (sym)));
+ break;
+ case LOC_UNRESOLVED:
+ msym = lookup_minimal_symbol (SYMBOL_NAME (sym), NULL, NULL);
+ if (msym == NULL)
+ printf_filtered ("Unresolved Static");
+ else
+ {
+ printf_filtered ("static storage at address ");
+ print_address_numeric (SYMBOL_VALUE_ADDRESS (msym), 1,
+ gdb_stdout);
+ }
+ break;
+ case LOC_OPTIMIZED_OUT:
+ printf_filtered ("optimized out.\n");
+ continue;
+ }
+ if (SYMBOL_TYPE (sym))
+ printf_filtered (", length %d.\n",
+ TYPE_LENGTH (check_typedef (SYMBOL_TYPE (sym))));
}
if (BLOCK_FUNCTION (block))
break;
block = BLOCK_SUPERBLOCK (block);
}
if (count <= 0)
- printf_filtered (" contains no locals or arguments.");
- printf_filtered ("\n");
+ printf_filtered ("Scope for %s contains no locals or arguments.\n",
+ save_args);
}
-static struct cmd_list_element *tfindlist;
-static struct cmd_list_element *tracelist;
+/* worker function (cleanup) */
+static void
+replace_comma (void *data)
+{
+ char *comma = data;
+ *comma = ',';
+}
+/* tdump command */
+static void
+trace_dump_command (char *args, int from_tty)
+{
+ struct tracepoint *t;
+ struct action_line *action;
+ char *action_exp, *next_comma;
+ struct cleanup *old_cleanups;
+ int stepping_actions = 0;
+ int stepping_frame = 0;
+
+ if (!target_is_remote ())
+ {
+ error ("Trace can only be run on remote targets.");
+ return;
+ }
+
+ if (tracepoint_number == -1)
+ {
+ warning ("No current trace frame.");
+ return;
+ }
+
+ ALL_TRACEPOINTS (t)
+ if (t->number == tracepoint_number)
+ break;
+
+ if (t == NULL)
+ error ("No known tracepoint matches 'current' tracepoint #%d.",
+ tracepoint_number);
+
+ old_cleanups = make_cleanup (null_cleanup, NULL);
+
+ printf_filtered ("Data collected at tracepoint %d, trace frame %d:\n",
+ tracepoint_number, traceframe_number);
+
+ /* The current frame is a trap frame if the frame PC is equal
+ to the tracepoint PC. If not, then the current frame was
+ collected during single-stepping. */
+
+ stepping_frame = (t->address != read_pc ());
+
+ for (action = t->actions; action; action = action->next)
+ {
+ struct cmd_list_element *cmd;
+
+ QUIT; /* allow user to bail out with ^C */
+ action_exp = action->action;
+ while (isspace ((int) *action_exp))
+ action_exp++;
+
+ /* The collection actions to be done while stepping are
+ bracketed by the commands "while-stepping" and "end". */
+
+ if (*action_exp == '#') /* comment line */
+ continue;
+
+ cmd = lookup_cmd (&action_exp, cmdlist, "", -1, 1);
+ if (cmd == 0)
+ error ("Bad action list item: %s", action_exp);
+
+ if (cmd->function.cfunc == while_stepping_pseudocommand)
+ stepping_actions = 1;
+ else if (cmd->function.cfunc == end_actions_pseudocommand)
+ stepping_actions = 0;
+ else if (cmd->function.cfunc == collect_pseudocommand)
+ {
+ /* Display the collected data.
+ For the trap frame, display only what was collected at the trap.
+ Likewise for stepping frames, display only what was collected
+ while stepping. This means that the two boolean variables,
+ STEPPING_FRAME and STEPPING_ACTIONS should be equal. */
+ if (stepping_frame == stepping_actions)
+ {
+ do
+ { /* repeat over a comma-separated list */
+ QUIT; /* allow user to bail out with ^C */
+ if (*action_exp == ',')
+ action_exp++;
+ while (isspace ((int) *action_exp))
+ action_exp++;
+
+ next_comma = strchr (action_exp, ',');
+
+ if (0 == strncasecmp (action_exp, "$reg", 4))
+ registers_info (NULL, from_tty);
+ else if (0 == strncasecmp (action_exp, "$loc", 4))
+ locals_info (NULL, from_tty);
+ else if (0 == strncasecmp (action_exp, "$arg", 4))
+ args_info (NULL, from_tty);
+ else
+ { /* variable */
+ if (next_comma)
+ {
+ make_cleanup (replace_comma, next_comma);
+ *next_comma = '\0';
+ }
+ printf_filtered ("%s = ", action_exp);
+ output_command (action_exp, from_tty);
+ printf_filtered ("\n");
+ }
+ if (next_comma)
+ *next_comma = ',';
+ action_exp = next_comma;
+ }
+ while (action_exp && *action_exp == ',');
+ }
+ }
+ }
+ discard_cleanups (old_cleanups);
+}
+
+/* Convert the memory pointed to by mem into hex, placing result in buf.
+ * Return a pointer to the last char put in buf (null)
+ * "stolen" from sparc-stub.c
+ */
+
+static const char hexchars[] = "0123456789abcdef";
+
+static unsigned char *
+mem2hex (unsigned char *mem, unsigned char *buf, int count)
+{
+ unsigned char ch;
+
+ while (count-- > 0)
+ {
+ ch = *mem++;
+
+ *buf++ = hexchars[ch >> 4];
+ *buf++ = hexchars[ch & 0xf];
+ }
+
+ *buf = 0;
+
+ return buf;
+}
+
+int
+get_traceframe_number (void)
+{
+ return traceframe_number;
+}
+
+
+/* module initialization */
void
-_initialize_tracepoint ()
+_initialize_tracepoint (void)
{
- tracepoint_chain = 0;
- tracepoint_count = 0;
- traceframe_number = 0;
+ struct cmd_list_element *c;
- set_internalvar (lookup_internalvar ("tpnum"),
- value_from_longest (builtin_type_int, (LONGEST) 0));
- set_internalvar (lookup_internalvar ("trace_frame"),
+ tracepoint_chain = 0;
+ tracepoint_count = 0;
+ traceframe_number = -1;
+ tracepoint_number = -1;
+
+ set_internalvar (lookup_internalvar ("tpnum"),
value_from_longest (builtin_type_int, (LONGEST) 0));
+ set_internalvar (lookup_internalvar ("trace_frame"),
+ value_from_longest (builtin_type_int, (LONGEST) - 1));
if (tracepoint_list.list == NULL)
{
tracepoint_list.listsize = 128;
- tracepoint_list.list = xmalloc
+ tracepoint_list.list = xmalloc
(tracepoint_list.listsize * sizeof (struct memrange));
}
+ if (tracepoint_list.aexpr_list == NULL)
+ {
+ tracepoint_list.aexpr_listsize = 128;
+ tracepoint_list.aexpr_list = xmalloc
+ (tracepoint_list.aexpr_listsize * sizeof (struct agent_expr *));
+ }
+
if (stepping_list.list == NULL)
{
stepping_list.listsize = 128;
- stepping_list.list = xmalloc
+ stepping_list.list = xmalloc
(stepping_list.listsize * sizeof (struct memrange));
}
- add_info ("scope", scope_info,
+ if (stepping_list.aexpr_list == NULL)
+ {
+ stepping_list.aexpr_listsize = 128;
+ stepping_list.aexpr_list = xmalloc
+ (stepping_list.aexpr_listsize * sizeof (struct agent_expr *));
+ }
+
+ add_info ("scope", scope_info,
"List the variables local to a scope");
-#if 1
- add_cmd ("tracepoints", class_trace, NO_FUNCTION,
- "Tracing program execution without stopping the program.",
+ add_cmd ("tracepoints", class_trace, NO_FUNCTION,
+ "Tracing of program execution without stopping the program.",
&cmdlist);
add_info ("tracepoints", tracepoints_info,
- "Display tracepoints, or tracepoint number NUMBER.\n"
- "Convenience variable \"$tpnum\" contains the number of the\n"
- "last tracepoint set.");
+ "Status of tracepoints, or tracepoint number NUMBER.\n\
+Convenience variable \"$tpnum\" contains the number of the\n\
+last tracepoint set.");
add_info_alias ("tp", "tracepoints", 1);
- add_com ("save-tracepoints", class_trace, tracepoint_save_command,
- "Save current tracepoint definitions as a script.\n"
- "Use the SOURCE command in another debug session to restore them.");
+ c = add_com ("save-tracepoints", class_trace, tracepoint_save_command,
+ "Save current tracepoint definitions as a script.\n\
+Use the 'source' command in another debug session to restore them.");
+ c->completer = filename_completer;
- add_com ("tlimit", class_trace, trace_limit_command,
- "Not sure what this should do yet....");
+ add_com ("tdump", class_trace, trace_dump_command,
+ "Print everything collected at the current tracepoint.");
- add_com ("tbuffer", class_trace, trace_buff_command,
- "See also 'set trace buffer overflow'.");
-
- add_prefix_cmd ("tfind", class_trace,
- trace_find_command,
- "Select a trace frame (default by frame number).",
+ add_prefix_cmd ("tfind", class_trace, trace_find_command,
+ "Select a trace frame;\n\
+No argument means forward by one frame; '-' meand backward by one frame.",
&tfindlist, "tfind ", 1, &cmdlist);
add_cmd ("outside", class_trace, trace_find_outside_command,
- "Select a trace frame by falling outside of a PC range",
+ "Select a trace frame whose PC is outside the given \
+range.\nUsage: tfind outside addr1, addr2",
&tfindlist);
add_cmd ("range", class_trace, trace_find_range_command,
- "Select a trace frame by PC range", &tfindlist);
+ "Select a trace frame whose PC is in the given range.\n\
+Usage: tfind range addr1,addr2",
+ &tfindlist);
- add_cmd ("tdp", class_trace, trace_find_tdp_command,
- "Select a trace frame by TDP", &tfindlist);
+ add_cmd ("line", class_trace, trace_find_line_command,
+ "Select a trace frame by source line.\n\
+Argument can be a line number (with optional source file), \n\
+a function name, or '*' followed by an address.\n\
+Default argument is 'the next source line that was traced'.",
+ &tfindlist);
+
+ add_cmd ("tracepoint", class_trace, trace_find_tracepoint_command,
+ "Select a trace frame by tracepoint number.\n\
+Default is the tracepoint for the current trace frame.",
+ &tfindlist);
add_cmd ("pc", class_trace, trace_find_pc_command,
- "Select a trace frame by PC", &tfindlist);
+ "Select a trace frame by PC.\n\
+Default is the current PC, or the PC of the current trace frame.",
+ &tfindlist);
- add_com ("tdisplay", class_trace, trace_display_command,
- "Display the results of a trace");
+ add_cmd ("end", class_trace, trace_find_end_command,
+ "Synonym for 'none'.\n\
+De-select any trace frame and resume 'live' debugging.",
+ &tfindlist);
- add_com ("tstatus", class_trace, trace_status_command,
- "Inquire about trace data collection status.");
+ add_cmd ("none", class_trace, trace_find_none_command,
+ "De-select any trace frame and resume 'live' debugging.",
+ &tfindlist);
+
+ add_cmd ("start", class_trace, trace_find_start_command,
+ "Select the first trace frame in the trace buffer.",
+ &tfindlist);
- add_com ("tstop", class_trace, trace_stop_command,
+ add_com ("tstatus", class_trace, trace_status_command,
+ "Display the status of the current trace data collection.");
+
+ add_com ("tstop", class_trace, trace_stop_command,
"Stop trace data collection.");
add_com ("tstart", class_trace, trace_start_command,
"Start trace data collection.");
- add_com ("passcount", class_trace, trace_pass_command,
- "Set the passcount for a tracepoint.\n"
- "The trace will end when the tracepoint has been passed "
- "'count' times.\n"
- "Usage: passcount COUNT TPNUM, where TPNUM may also be \"all\",\n"
- "or if omitted refers to the last tracepoint defined.");
+ add_com ("passcount", class_trace, trace_pass_command,
+ "Set the passcount for a tracepoint.\n\
+The trace will end when the tracepoint has been passed 'count' times.\n\
+Usage: passcount COUNT TPNUM, where TPNUM may also be \"all\";\n\
+if TPNUM is omitted, passcount refers to the last tracepoint defined.");
+
+ add_com ("end", class_trace, end_actions_pseudocommand,
+ "Ends a list of commands or actions.\n\
+Several GDB commands allow you to enter a list of commands or actions.\n\
+Entering \"end\" on a line by itself is the normal way to terminate\n\
+such a list.\n\n\
+Note: the \"end\" command cannot be used at the gdb prompt.");
+
+ add_com ("while-stepping", class_trace, while_stepping_pseudocommand,
+ "Specify single-stepping behavior at a tracepoint.\n\
+Argument is number of instructions to trace in single-step mode\n\
+following the tracepoint. This command is normally followed by\n\
+one or more \"collect\" commands, to specify what to collect\n\
+while single-stepping.\n\n\
+Note: this command can only be used in a tracepoint \"actions\" list.");
+
+ add_com_alias ("ws", "while-stepping", class_alias, 0);
+ add_com_alias ("stepping", "while-stepping", class_alias, 0);
+
+ add_com ("collect", class_trace, collect_pseudocommand,
+ "Specify one or more data items to be collected at a tracepoint.\n\
+Accepts a comma-separated list of (one or more) expressions. GDB will\n\
+collect all data (variables, registers) referenced by that expression.\n\
+Also accepts the following special arguments:\n\
+ $regs -- all registers.\n\
+ $args -- all function arguments.\n\
+ $locals -- all variables local to the block/function scope.\n\
+Note: this command can only be used in a tracepoint \"actions\" list.");
add_com ("actions", class_trace, trace_actions_command,
- "Specify the actions to be taken at a tracepoint.\n"
- "Actions can include collection of data, enabling or \n"
- "disabling other tracepoints, or ending the trace.");
-
- add_cmd ("tracepoints", class_trace, delete_trace_command,
- "Delete specified tracepoints; or with no argument, delete all.",
+ "Specify the actions to be taken at a tracepoint.\n\
+Tracepoint actions may include collecting of specified data, \n\
+single-stepping, or enabling/disabling other tracepoints, \n\
+depending on target's capabilities.");
+
+ add_cmd ("tracepoints", class_trace, delete_trace_command,
+ "Delete specified tracepoints.\n\
+Arguments are tracepoint numbers, separated by spaces.\n\
+No argument means delete all tracepoints.",
&deletelist);
- add_cmd ("tracepoints", class_trace, disable_trace_command,
- "Disable specified tracepoints; or with no argument, disable all.",
+ add_cmd ("tracepoints", class_trace, disable_trace_command,
+ "Disable specified tracepoints.\n\
+Arguments are tracepoint numbers, separated by spaces.\n\
+No argument means disable all tracepoints.",
&disablelist);
- add_cmd ("tracepoints", class_trace, enable_trace_command,
- "Enable specified tracepoints; or with no argument, enable all.",
+ add_cmd ("tracepoints", class_trace, enable_trace_command,
+ "Enable specified tracepoints.\n\
+Arguments are tracepoint numbers, separated by spaces.\n\
+No argument means enable all tracepoints.",
&enablelist);
add_com ("trace", class_trace, trace_command,
- "Set a tracepoint at a specified line, function, or address.\n"
- "Argument may be a line number, function name, or "
- "'*' plus an address.\n"
- "For a line number or function, trace at the start of its code.\n"
- "If an address is specified, trace at that exact address.");
-
- add_com_alias ("tp", "trace", class_alias, 0);
- add_com_alias ("tr", "trace", class_alias, 1);
- add_com_alias ("tra", "trace", class_alias, 1);
+ "Set a tracepoint at a specified line or function or address.\n\
+Argument may be a line number, function name, or '*' plus an address.\n\
+For a line number or function, trace at the start of its code.\n\
+If an address is specified, trace at that exact address.\n\n\
+Do \"help tracepoints\" for info on other tracepoint commands.");
+
+ add_com_alias ("tp", "trace", class_alias, 0);
+ add_com_alias ("tr", "trace", class_alias, 1);
+ add_com_alias ("tra", "trace", class_alias, 1);
add_com_alias ("trac", "trace", class_alias, 1);
-
-
-#else /* command set based on TRACE as a prefix (incomplete) */
- add_cmd ("tracepoints", class_trace, NO_FUNCTION,
- "Tracing program execution without stopping the program.",
- &cmdlist);
-
- add_prefix_cmd ("trace", class_trace, trace_command,
- "prefix for tracing commands",
- &tracelist, "trace ", 1, &cmdlist);
-
- add_cmd ("limit", class_trace, trace_limit_command,
- "Not sure what the hell this does....", &tracelist);
-
- add_cmd ("buffer", class_trace, trace_buff_command,
- "See also 'set trace buffer overflow'.", &tracelist);
-
- add_prefix_cmd ("find", class_trace, trace_find_command,
- "Select a trace frame (default by frame number).",
- &tfindlist, "trace find ", 1, &tracelist);
-
- add_cmd ("outside", class_trace, trace_find_outside_command,
- "Select a tracepoint by falling outside of a PC range.",
- &tfindlist);
-
- add_cmd ("range", class_trace, trace_find_range_command,
- "Select a tracepoint by PC range.",
- &tfindlist);
-
- add_cmd ("pc", class_trace, trace_find_pc_command,
- "Select a tracepoint by PC.",
- &tfindlist);
-
- add_cmd ("display", class_trace, trace_display_command,
- "Display the results of a trace.", &tracelist);
-
- add_cmd ("delete", class_trace, delete_trace_command,
- "Delete some tracepoints; no argument means all.", &tracelist);
-
- add_cmd ("disable", class_trace, disable_trace_command,
- "Disable some tracepoints; no argument means all.", &tracelist);
-
- add_cmd ("enable", class_trace, enable_trace_command,
- "Enable some tracepoints; no argument means all.", &tracelist);
-
- add_cmd ("tracepoints", class_trace, delete_trace_command,
- "Delete some tracepoints; no argument means all.",
- &deletelist);
-
- add_cmd ("tracepoints", class_trace, disable_trace_command,
- "Disable some tracepoints; no argument means all.",
- &disablelist);
-
- add_cmd ("tracepoints", class_trace, enable_trace_command,
- "Enable some tracepoints; no argument means all.",
- &enablelist);
-
- add_cmd ("at", class_trace, trace_command,
- "Set a tracepoint at a specified line or function.\n"
- "Argument may be a line number, function name, or "
- "'*' and an address.\n"
- "For a line number or function, trace from the start of "
- "its code.\n"
- "If an address is specified, trace at that exact address.\n"
- "With no arg, uses current execution address of "
- "selected stack frame.\n"
- "This is useful for breaking on return to a stack frame.",
- &tracelist);
-
- add_cmd ("status", class_trace, trace_status_command,
- "Inquire about trace data collection status.", &tracelist);
-
- add_cmd ("stop", class_trace, trace_stop_command,
- "Stop trace data collection.", &tracelist);
-
- add_cmd ("start", class_trace, trace_start_command,
- "Start trace data collection.", &tracelist);
-
- add_cmd ("info", class_info, tracepoints_info,
- "Status of tracepoints, or tracepoint number NUMBER.\n"
- "The \"Address\" and \"What\" columns indicate the\n"
- "address and file/line number respectively.\n\n"
- "Convenience variable \"$tpnum\" contains the number of the\n"
- "last tracepoint set.",
- &tracelist);
-
- add_info ("tracepoints", tracepoints_info,
- "Status of tracepoints, or tracepoint number NUMBER.\n"
- "The \"Address\" and \"What\" columns indicate the\n"
- "address and file/line number respectively.\n\n"
- "Convenience variable \"$tpnum\" contains the number of the\n"
- "last tracepoint set.");
-
- add_info_alias ("tp", "tracepoints", 1);
-
-#endif
}
projects / deliverable / binutils-gdb.git / blobdiff