/* Tracing functionality for remote targets in custom GDB protocol
- Copyright 1997 Free Software Foundation, Inc.
+ Copyright 1997, 1998 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 "target.h"
#include "language.h"
#include "gdb_string.h"
+#include "inferior.h"
+#include "tracepoint.h"
+#include "remote.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) PARAMS ((char *, ...));
-extern char * (*readline_hook) PARAMS ((char *));
+extern void (*readline_begin_hook) PARAMS ((char *,...));
+extern char *(*readline_hook) PARAMS ((char *));
extern void (*readline_end_hook) PARAMS ((void));
-extern void x_command PARAMS ((char *, int));
+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. */
$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: ======= */
static struct cmd_list_element *tfindlist;
/* ======= Important command functions: ======= */
-static void trace_command PARAMS ((char *, int));
-static void tracepoints_info PARAMS ((char *, int));
-static void delete_trace_command PARAMS ((char *, int));
-static void enable_trace_command PARAMS ((char *, int));
-static void disable_trace_command PARAMS ((char *, int));
-static void trace_pass_command PARAMS ((char *, int));
-static void trace_actions_command PARAMS ((char *, int));
-static void trace_start_command PARAMS ((char *, int));
-static void trace_stop_command PARAMS ((char *, int));
-static void trace_status_command PARAMS ((char *, int));
-static void trace_find_command PARAMS ((char *, int));
-static void trace_find_pc_command PARAMS ((char *, int));
-static void trace_find_tracepoint_command PARAMS ((char *, int));
-static void trace_find_line_command PARAMS ((char *, int));
-static void trace_find_range_command PARAMS ((char *, int));
-static void trace_find_outside_command PARAMS ((char *, int));
-static void tracepoint_save_command PARAMS ((char *, int));
-static void trace_dump_command PARAMS ((char *, int));
-
+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
}
/* Utility: generate error from an incoming stub packet. */
-static void
+static void
trace_error (buf)
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: error in outgoing packet.");
else
- error ("tracepoint.c: error in outgoing packet at field #%d.",
+ error ("tracepoint.c: error in outgoing packet at field #%d.",
strtol (buf, NULL, 16));
case '2':
error ("trace API error 0x%s.", ++buf);
/* Utility: wait for reply from stub, while accepting "O" packets */
static char *
-remote_get_noisy_reply (buf)
- char *buf;
+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')
buf[1] != 'K')
remote_console_output (buf + 1); /* 'O' message from stub */
else
- return buf; /* here's the actual reply */
- } while (1);
+ return buf; /* here's the actual reply */
+ }
+ while (1);
}
/* Set tracepoint count to NUM. */
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 *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 */
+ 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_longest (charstar, (LONGEST) 0));
- set_internalvar (lookup_internalvar ("trace_file"),
- value_from_longest (charstar, (LONGEST) 0));
+ 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_longest (builtin_type_int, (LONGEST) -1));
+ value_from_pointer (builtin_type_int, (LONGEST) - 1));
return;
}
/* save linenumber as "$trace_line", a debugger variable visible to users */
set_internalvar (lookup_internalvar ("trace_line"),
- value_from_longest (builtin_type_int,
+ value_from_longest (builtin_type_int,
(LONGEST) traceframe_sal.line));
/* save func name as "$trace_func", a debugger variable visible to users */
- if (traceframe_fun == NULL ||
+ if (traceframe_fun == NULL ||
SYMBOL_NAME (traceframe_fun) == NULL)
- set_internalvar (lookup_internalvar ("trace_func"),
- value_from_longest (charstar, (LONGEST) 0));
+ set_internalvar (lookup_internalvar ("trace_func"),
+ value_from_pointer (charstar, (LONGEST) 0));
else
{
len = strlen (SYMBOL_NAME (traceframe_fun));
- func_range = create_range_type (func_range,
- builtin_type_int, 0, len - 1);
- func_string = create_array_type (func_string,
+ func_range = create_range_type (func_range,
+ builtin_type_int, 0, len - 1);
+ func_string = create_array_type (func_string,
builtin_type_char, func_range);
func_val = allocate_value (func_string);
VALUE_TYPE (func_val) = func_string;
- memcpy (VALUE_CONTENTS_RAW (func_val),
- SYMBOL_NAME (traceframe_fun),
+ memcpy (VALUE_CONTENTS_RAW (func_val),
+ SYMBOL_NAME (traceframe_fun),
len);
func_val->modifiable = 0;
set_internalvar (lookup_internalvar ("trace_func"), func_val);
}
/* save file name as "$trace_file", a debugger variable visible to users */
- if (traceframe_sal.symtab == NULL ||
+ if (traceframe_sal.symtab == NULL ||
traceframe_sal.symtab->filename == NULL)
- set_internalvar (lookup_internalvar ("trace_file"),
- value_from_longest (charstar, (LONGEST) 0));
+ 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,
+ 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,
+ memcpy (VALUE_CONTENTS_RAW (file_val),
+ traceframe_sal.symtab->filename,
len);
file_val->modifiable = 0;
set_internalvar (lookup_internalvar ("trace_file"), file_val);
if (sal.symtab == NULL)
t->source_file = NULL;
else
- {
- char *p;
-
- t->source_file = (char *) xmalloc (strlen (sal.symtab->filename) +
- strlen (sal.symtab->dirname) + 2);
-
- strcpy (t->source_file, sal.symtab->dirname);
- p = t->source_file;
- while (*p)
- p++;
- if (*(--p) != '/') /* Will this work on Windows? */
- strcat (t->source_file, "/");
- 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->enabled = enabled;
- t->next = 0;
- t->step_count = 0;
- t->pass_count = 0;
+ t->enabled = enabled;
+ t->next = 0;
+ t->step_count = 0;
+ t->pass_count = 0;
t->addr_string = NULL;
/* Add this tracepoint to the end of the chain
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;
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++)
t->number = tracepoint_count;
/* If a canonical line spec is needed use that instead of the
- command string. */
- if (canonical != (char **)NULL && canonical[i] != NULL)
+ command string. */
+ 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);
+ trace_mention (t);
+
/* Let the UI know of any additions */
if (create_tracepoint_hook)
create_tracepoint_hook (t);
}
}
+/* Tell the user we have just set a tracepoint TP. */
+
+static void
+trace_mention (tp)
+ 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
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);
ALL_TRACEPOINTS (t)
if (tpnum == -1 || tpnum == t->number)
- {
- extern int addressprint; /* print machine addresses? */
-
- 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 %-5d ", t->pass_count, t->step_count);
-
- 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? */
- 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;
{
struct tracepoint *t2;
- switch (opcode) {
- case enable:
- t->enabled = enabled;
- if (modify_tracepoint_hook)
- modify_tracepoint_hook (t);
- break;
- case disable:
- t->enabled = disabled;
- if (modify_tracepoint_hook)
- modify_tracepoint_hook (t);
- 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);
+ /* Let the UI know of any deletions */
+ if (delete_tracepoint_hook)
+ delete_tracepoint_hook (t);
- if (t->addr_string)
- free (t->addr_string);
- if (t->source_file)
- free (t->source_file);
- if (t->actions)
- free_actions (t);
+ if (t->addr_string)
+ free (t->addr_string);
+ if (t->source_file)
+ free (t->source_file);
+ if (t->actions)
+ free_actions (t);
- free (t);
- break;
- }
+ free (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)
+get_tracepoint_by_number (arg, multi_p, optional_p)
char **arg;
+ int multi_p, optional_p;
{
struct tracepoint *t;
- char *end, *copy;
- 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)
{
- /* Make a copy of the name, so we can null-terminate it
- to pass to lookup_internalvar(). */
- end = *arg + 1;
- while (isalnum(*end) || *end == '_')
- end++;
- copy = (char *) alloca (end - *arg);
- strncpy (copy, *arg + 1, (end - *arg - 1));
- copy[end - *arg - 1] = '\0';
- *arg = end;
-
- val = value_of_internalvar (lookup_internalvar (copy));
- 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;
}
enum tracepoint_opcode opcode;
{
struct tracepoint *t, *tmp;
- int tpnum;
- char *cp;
if (args == 0 || *args == 0) /* do them all */
ALL_TRACEPOINTS_SAFE (t, tmp)
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++;
}
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. */
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) */
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.
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);
-
- if (t1 == NULL)
- return; /* error, bad tracepoint number */
+ t1 = get_tracepoint_by_number (&args, 1, 1);
- 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);
- }
+ 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);
}
/* ACTIONS functions: */
/* Prototypes for action-parsing utility commands */
-static void read_actions PARAMS((struct tracepoint *));
-static char *parse_and_eval_memrange PARAMS ((char *,
- CORE_ADDR,
- long *,
- bfd_signed_vma *,
- long *));
+static void read_actions (struct tracepoint *);
/* The three functions:
- collect_pseudocommand,
- while_stepping_pseudocommand, and
- end_actions_pseudocommand
+ 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
+static void
end_actions_pseudocommand (args, from_tty)
char *args;
int from_tty;
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);
}
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,
-};
-
-static enum actionline_type validate_actionline PARAMS((char **,
- struct tracepoint *));
-
/* worker function */
static void
read_actions (t)
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);
else if (instream == stdin && ISATTY (instream))
{
line = readline (prompt);
- if (line && *line) /* add it to command history */
+ if (line && *line) /* add it to command history */
add_history (line);
}
else
linetype = validate_actionline (&line, t);
if (linetype == BADLINE)
- continue; /* already warned -- collect another line */
+ continue; /* already warned -- collect another line */
- temp = (struct action_line *) xmalloc (sizeof (struct action_line));
+ temp = xmalloc (sizeof (struct action_line));
temp->next = NULL;
temp->action = line;
}
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)
}
/* worker function */
-static enum actionline_type
+enum actionline_type
validate_actionline (line, t)
char **line;
struct tracepoint *t;
{
struct cmd_list_element *c;
- struct expression *exp;
- value_ptr temp, temp2;
+ struct expression *exp = NULL;
+ struct cleanup *old_chain = NULL;
char *p;
- 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;
- if (*p == '#') /* comment line */
+ if (*p == '#') /* comment line */
return GENERIC;
c = lookup_cmd (&p, cmdlist, "", -1, 1);
warning ("'%s' is not an action that I know, or is ambiguous.", p);
return BADLINE;
}
-
+
if (c->function.cfunc == collect_pseudocommand)
{
- do { /* repeat over a comma-separated list */
- while (isspace (*p))
- p++;
+ struct agent_expr *aexpr;
+ struct agent_reqs areqs;
- if (*p == '$') /* look for special pseudo-symbols */
- {
- long typecode, size;
- bfd_signed_vma offset;
-
- if ((0 == strncasecmp ("reg", p + 1, 3)) ||
- (0 == strncasecmp ("arg", p + 1, 3)) ||
- (0 == strncasecmp ("loc", p + 1, 3)))
- p = strchr (p, ',');
+ do
+ { /* repeat over a comma-separated list */
+ QUIT; /* allow user to bail out with ^C */
+ while (isspace ((int) *p))
+ p++;
- else if (p[1] == '(') /* literal memrange */
- {
- char *temp, *newline;
-
- newline = malloc (strlen (*line) + 32);
- strcpy (newline, *line);
- newline[p - *line] = '\0';
- /* newline is now a copy of line, up to "p" (the memrange) */
- temp = parse_and_eval_memrange (p, t->address,
- &typecode, &offset, &size) + 1;
- /* now compose the memrange as a literal value */
- if (typecode == -1)
- sprintf (newline + strlen (newline),
- "$(0x%x, %d)",
- offset, size);
- else
- sprintf (newline + strlen (newline),
- "$($%s, 0x%x, %d)",
- reg_names[typecode], offset, size);
- /* now add the remainder of the old line to the new one */
- p = newline + strlen (newline);
- if (temp && *temp)
- strcat (newline, temp);
- free (*line);
- *line = newline;
- }
- }
- else
- {
- exp = parse_exp_1 (&p, block_for_pc (t->address), 1);
+ if (*p == '$') /* 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 &&
- exp->elts[0].opcode != UNOP_MEMVAL &&
- /*exp->elts[0].opcode != OP_LONG && */
- /*exp->elts[0].opcode != UNOP_CAST && */
- exp->elts[0].opcode != OP_REGISTER)
- {
- warning ("collect requires a variable or register name.\n");
- return BADLINE;
- }
- if (exp->elts[0].opcode == OP_VAR_VALUE)
+ 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 (free, 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 (c->function.cfunc == while_stepping_pseudocommand)
{
- char *steparg; /* in case warning is necessary */
+ char *steparg; /* in case warning is necessary */
- 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 (c->function.cfunc == end_actions_pseudocommand)
}
/* worker function */
-void
+void
free_actions (t)
struct tracepoint *t;
{
for (line = t->actions; line; line = next)
{
next = line->next;
- if (line->action)
+ if (line->action)
free (line->action);
free (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;
-
-/* MEMRANGE functions: */
-
-/* parse a memrange spec from command input */
-static char *
-parse_and_eval_memrange (arg, addr, typecode, offset, size)
- char *arg;
- CORE_ADDR addr;
- long *typecode, *size;
- bfd_signed_vma *offset;
-{
- char *start = arg;
- struct expression *exp;
- value_ptr val;
-
- if (*arg++ != '$' || *arg++ != '(')
- error ("Internal: bad argument to parse_and_eval_memrange: %s", start);
+struct collection_list
+ {
+ unsigned char regs_mask[8]; /* room for up to 256 regs */
+ long listsize;
+ long next_memrange;
+ struct memrange *list;
+ long aexpr_listsize; /* size of array pointed to by expr_list elt */
+ long next_aexpr_elt;
+ struct agent_expr **aexpr_list;
- if (*arg == '$') /* register for relative memrange? */
- {
- exp = parse_exp_1 (&arg, block_for_pc (addr), 1);
- if (exp->elts[0].opcode != OP_REGISTER)
- error ("Bad register operand for memrange: %s", start);
- if (*arg++ != ',')
- error ("missing comma for memrange: %s", start);
- *typecode = exp->elts[1].longconst;
- }
- else
- *typecode = -1; /* absolute memrange; */
-
- exp = parse_exp_1 (&arg, 0, 1);
- *offset = value_as_pointer (evaluate_expression (exp));
-
- /* now parse the size */
- if (*arg++ != ',')
- error ("missing comma for memrange: %s", start);
-
- exp = parse_exp_1 (&arg, 0, 0);
- *size = value_as_long (evaluate_expression (exp));
+ }
+tracepoint_list, stepping_list;
- if (info_verbose)
- printf_filtered ("Collecting memrange: (0x%x,0x%x,0x%x)\n",
- *typecode, *offset, *size);
+/* MEMRANGE functions: */
- return arg;
-}
+static int memrange_cmp (const void *, const void *);
/* compare memranges for qsort */
static int
-memrange_cmp (a, b)
- struct memrange *a, *b;
+memrange_cmp (va, vb)
+ 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;
}
{
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)
{
/* memrange b starts before memrange a ends; merge them. */
}
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;
}
/* Add a register to a collection list */
-void
+static void
add_register (collection, regno)
struct collection_list *collection;
- unsigned long regno;
+ 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 */
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 = (struct memrange *) xrealloc (memranges->list,
+ memranges->list = xrealloc (memranges->list,
memranges->listsize);
}
- if (type != -1) /* 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)
+collect_symbol (collect, sym, frame_regno, frame_offset)
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, -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);
- 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 existance.\n",
+ SYMBOL_NAME (sym));
+ break;
+ }
}
/* Add all locals (or args) symbols to collection list */
static void
-add_local_symbols (collect, pc, type)
+add_local_symbols (collect, pc, frame_regno, frame_offset, type)
struct collection_list *collect;
CORE_ADDR pc;
- char type;
+ 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;
clear_collection_list (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));
}
/* reduce a collection list to string form (for gdb protocol) */
-static char *
+static char **
stringify_collection_list (list, string)
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;
}
- if (end == string)
+
+ 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 (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 (al)
+ void *al;
+{
+ free_actions_list (al);
+}
+
+static void
+free_actions_list (actions_list)
+ char **actions_list;
+{
+ int ndx;
+
+ if (actions_list == 0)
+ return;
+
+ for (ndx = 0; actions_list[ndx]; ndx++)
+ free (actions_list[ndx]);
+
+ free (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 (t, tdp_actions, stepping_actions)
+ struct tracepoint *t;
+ char ***tdp_actions;
+ char ***stepping_actions;
{
- static char tdp_buff[2048], step_buff[2048];
- char *action_exp;
- struct expression *exp;
+ static char tdp_buff[2048], step_buff[2048];
+ char *action_exp;
+ struct expression *exp = NULL;
struct action_line *action;
- bfd_signed_vma offset;
- long i;
- value_ptr tempval;
- struct collection_list *collect;
+ 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 (*action_exp == '#') /* comment line */
if (cmd->function.cfunc == collect_pseudocommand)
{
- do { /* repeat over a comma-separated list */
- while (isspace (*action_exp))
- action_exp++;
-
- if (0 == strncasecmp ("$reg", action_exp, 4))
- {
- for (i = 0; i < NUM_REGS; i++)
- add_register (collect, i);
- action_exp = strchr (action_exp, ','); /* more? */
- }
- else if (0 == strncasecmp ("$arg", action_exp, 4))
- {
- add_local_symbols (collect, t->address, 'A');
- action_exp = strchr (action_exp, ','); /* more? */
- }
- else if (0 == strncasecmp ("$loc", action_exp, 4))
- {
- add_local_symbols (collect, t->address, 'L');
- action_exp = strchr (action_exp, ','); /* more? */
- }
- else if (action_exp[0] == '$' &&
- action_exp[1] == '(') /* literal memrange */
- {
- long typecode, size;
- bfd_signed_vma offset;
-
- action_exp = parse_and_eval_memrange (action_exp,
- t->address,
- &typecode,
- &offset,
- &size);
- add_memrange (collect, typecode, offset, size);
- }
- 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 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);
- 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;
+ do
+ { /* repeat over a comma-separated list */
+ QUIT; /* allow user to bail out with ^C */
+ while (isspace ((int) *action_exp))
+ action_exp++;
- add_memrange (collect, -1, addr, len);
- break;
-#endif
+ if (0 == strncasecmp ("$reg", action_exp, 4))
+ {
+ for (i = 0; i < NUM_REGS; i++)
+ add_register (collect, i);
+ action_exp = strchr (action_exp, ','); /* more? */
}
- }
- } while (action_exp && *action_exp++ == ',');
- }
+ else if (0 == strncasecmp ("$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;
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 (collect, 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
+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 lear any previous trace experiment.
+
+ 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. */
trace_start_command (args, from_tty)
char *args;
int from_tty;
-{ /* STUB_COMM MOSTLY_IMPLEMENTED */
+{ /* 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);
+ 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 */
trace_stop_command (args, from_tty)
char *args;
int from_tty;
-{ /* STUB_COMM IS_IMPLEMENTED */
+{ /* 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.");
trace_status_command (args, from_tty)
char *args;
int from_tty;
-{ /* STUB_COMM IS_IMPLEMENTED */
+{ /* STUB_COMM IS_IMPLEMENTED */
if (target_is_remote ())
{
putpkt ("qTStatus");
- remote_get_noisy_reply (target_buf);
+ 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);
-
+ (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');
}
/* Worker function for the various flavors of the tfind command */
static void
-finish_tfind_command (msg, from_tty)
- char *msg;
- int from_tty;
+finish_tfind_command (char *msg,
+ long sizeof_msg,
+ int from_tty)
{
int target_frameno = -1, target_tracept = -1;
CORE_ADDR old_frame_addr;
char *reply;
old_frame_addr = FRAME_FP (get_current_frame ());
- old_func = find_pc_function (read_pc ());
+ old_func = find_pc_function (read_pc ());
putpkt (msg);
- reply = remote_get_noisy_reply (msg);
+ reply = remote_get_noisy_reply (msg, sizeof_msg);
while (reply && *reply)
- switch (*reply) {
- case 'F':
- if ((target_frameno = 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,
+ 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 = 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
+ }
+ }
+ 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);
- break;
- default:
- error ("Bogus reply from target: %s", reply);
- }
+ }
flush_cached_frames ();
registers_changed ();
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 ())))
+ 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;
+ source_only = 1;
print_stack_frame (selected_frame, selected_frame_level, source_only);
do_displays ();
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)
- */
+ 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 */
+{ /* STUB_COMM PART_IMPLEMENTED */
/* this should only be called with a numeric argument */
int frameno = -1;
- int target_frameno = -1, target_tracept = -1, target_stepfrm = 0;
- char *tmp;
if (target_is_remote ())
{
+ if (trace_find_hook)
+ trace_find_hook (args, from_tty);
+
if (args == 0 || *args == 0)
- { /* TFIND with no args means find NEXT trace frame. */
+ { /* TFIND with no args means find NEXT trace frame. */
if (traceframe_number == -1)
frameno = 0; /* "next" is first one */
else
else
frameno = parse_and_eval_address (args);
- sprintf (target_buf, "QTFrame:%x", frameno);
-#if 0
- putpkt (target_buf);
- tmp = remote_get_noisy_reply (target_buf);
-
- if (frameno == -1) /* end trace debugging */
- { /* hopefully the stub has complied! */
- if (0 != strcmp (tmp, "OK"))
- error ("Bogus response from target: %s", tmp);
+ if (frameno < -1)
+ error ("invalid input (%d is less than zero)", frameno);
- finish_tfind_command (NULL, from_tty);
- }
- else
- finish_tfind_command (tmp, from_tty);
-#else
- finish_tfind_command (target_buf, from_tty);
-#endif
+ 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.");
trace_find_pc_command (args, from_tty)
char *args;
int from_tty;
-{ /* STUB_COMM PART_IMPLEMENTED */
+{ /* STUB_COMM PART_IMPLEMENTED */
CORE_ADDR pc;
- int target_frameno;
- char *tmp;
+ char tmp[40];
if (target_is_remote ())
{
else
pc = parse_and_eval_address (args);
- sprintf (target_buf, "QTFrame:pc:%x", pc);
-#if 0
- putpkt (target_buf);
- tmp = remote_get_noisy_reply (target_buf);
-
- finish_tfind_command (tmp, from_tty);
-#else
- finish_tfind_command (target_buf, from_tty);
-#endif
+ 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.");
trace_find_tracepoint_command (args, from_tty)
char *args;
int from_tty;
-{ /* STUB_COMM PART_IMPLEMENTED */
- int target_frameno, tdp;
- char buf[40], *tmp;
+{ /* STUB_COMM PART_IMPLEMENTED */
+ int tdp;
if (target_is_remote ())
{
tdp = parse_and_eval_address (args);
sprintf (target_buf, "QTFrame:tdp:%x", tdp);
-#if 0
- putpkt (target_buf);
- tmp = remote_get_noisy_reply (target_buf);
-
- finish_tfind_command (tmp, from_tty);
-#else
- finish_tfind_command (target_buf, from_tty);
-#endif
+ 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. */
trace_find_line_command (args, from_tty)
char *args;
int from_tty;
-{ /* STUB_COMM PART_IMPLEMENTED */
+{ /* STUB_COMM PART_IMPLEMENTED */
static CORE_ADDR start_pc, end_pc;
struct symtabs_and_lines sals;
struct symtab_and_line sal;
- int target_frameno;
- char *tmp;
struct cleanup *old_chain;
+ char startpc_str[40], endpc_str[40];
if (target_is_remote ())
{
else
{
sals = decode_line_spec (args, 1);
- sal = sals.sals[0];
+ sal = sals.sals[0];
}
old_chain = make_cleanup (free, sals.sals);
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. */
+ 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);
else
{
printf_filtered (".\n");
- return; /* no line, no PC; what can we do? */
+ return; /* no line, no PC; what can we do? */
}
}
else if (sal.line > 0
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:%x:%x", start_pc, end_pc - 1);
+ sprintf (target_buf, "QTFrame:range:%s:%s", startpc_str, endpc_str);
else /* find OUTSIDE OF range of CURRENT line */
- sprintf (target_buf, "QTFrame:outside:%x:%x", start_pc, end_pc - 1);
-#if 0
- putpkt (target_buf);
- tmp = remote_get_noisy_reply (target_buf);
-
- finish_tfind_command (tmp, from_tty);
-#else
- finish_tfind_command (target_buf, from_tty);
-#endif
+ 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.");
+ error ("Trace can only be run on remote targets.");
}
/* tfind range command */
trace_find_range_command (args, from_tty)
char *args;
int from_tty;
-{ /* STUB_COMM PART_IMPLEMENTED */
+{
static CORE_ADDR start, stop;
- int target_frameno;
+ char start_str[40], stop_str[40];
char *tmp;
if (target_is_remote ())
{
if (args == 0 || *args == 0)
- { /* XXX FIXME: what should default behavior be? */
+ { /* XXX FIXME: what should default behavior be? */
printf_filtered ("Usage: tfind range <startaddr>,<endaddr>\n");
return;
}
- if (0 != (tmp = strchr (args, ',' )))
+ if (0 != (tmp = strchr (args, ',')))
{
*tmp++ = '\0'; /* terminate start address */
- while (isspace (*tmp))
+ while (isspace ((int) *tmp))
tmp++;
start = parse_and_eval_address (args);
- stop = parse_and_eval_address (tmp);
+ stop = parse_and_eval_address (tmp);
}
else
- { /* no explicit end address? */
+ { /* no explicit end address? */
start = parse_and_eval_address (args);
- stop = start + 1; /* ??? */
+ stop = start + 1; /* ??? */
}
- sprintf (target_buf, "QTFrame:range:%x:%x", start, stop);
-#if 0
- putpkt (target_buf);
- tmp = remote_get_noisy_reply (target_buf);
-
- finish_tfind_command (tmp, from_tty);
-#else
- finish_tfind_command (target_buf, from_tty);
-#endif
+ 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 */
trace_find_outside_command (args, from_tty)
char *args;
int from_tty;
-{ /* STUB_COMM PART_IMPLEMENTED */
+{
CORE_ADDR start, stop;
- int target_frameno;
+ char start_str[40], stop_str[40];
char *tmp;
if (target_is_remote ())
{
if (args == 0 || *args == 0)
- { /* XXX FIXME: what should default behavior be? */
+ { /* XXX FIXME: what should default behavior be? */
printf_filtered ("Usage: tfind outside <startaddr>,<endaddr>\n");
return;
}
- if (0 != (tmp = strchr (args, ',' )))
+ if (0 != (tmp = strchr (args, ',')))
{
*tmp++ = '\0'; /* terminate start address */
- while (isspace (*tmp))
+ while (isspace ((int) *tmp))
tmp++;
start = parse_and_eval_address (args);
- stop = parse_and_eval_address (tmp);
+ stop = parse_and_eval_address (tmp);
}
else
- { /* no explicit end address? */
+ { /* no explicit end address? */
start = parse_and_eval_address (args);
- stop = start + 1; /* ??? */
+ stop = start + 1; /* ??? */
}
- sprintf (target_buf, "QTFrame:outside:%x:%x", start, stop);
-#if 0
- putpkt (target_buf);
- tmp = remote_get_noisy_reply (target_buf);
-
- finish_tfind_command (tmp, from_tty);
-#else
- finish_tfind_command (target_buf, from_tty);
-#endif
+ 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);
}
else
- error ("Trace can only be run on remote targets.");
+ error ("Trace can only be run on remote targets.");
}
/* save-tracepoints 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)
- {
- struct cmd_list_element *cmd;
+ if (tp->actions)
+ {
+ fprintf (fp, " actions\n");
+ indent = i1;
+ for (line = tp->actions; line; line = line->next)
+ {
+ struct cmd_list_element *cmd;
- actionline = line->action;
- while (isspace(*actionline))
- actionline++;
+ 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;
- }
- }
- }
- }
+ 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);
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, *symname, *save_args = args;
- int i, nsyms, count = 0;
+ 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 */
+ return; /* presumably decode_line_1 has already warned */
/* Resolve line numbers to PC */
resolve_sal_pc (&sals.sals[0]);
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);
symname = SYMBOL_NAME (sym);
if (symname == NULL || *symname == '\0')
- continue; /* probably botched, certainly useless */
+ 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 ("a constant with value %d (0x%x)",
- SYMBOL_VALUE (sym), SYMBOL_VALUE (sym));
- break;
- case LOC_CONST_BYTES:
- printf_filtered ("constant bytes: ");
- if (SYMBOL_TYPE (sym))
- for (i = 0; i < TYPE_LENGTH (SYMBOL_TYPE (sym)); i++)
- fprintf_filtered (gdb_stdout, " %02x",
- (unsigned) SYMBOL_VALUE_BYTES (sym) [i]);
- 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",
- reg_names [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",
- reg_names[SYMBOL_VALUE (sym)]);
- break;
- case LOC_REGPARM_ADDR:
- printf_filtered ("the address of an argument, in register $%s",
- reg_names[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 %d from register $%s",
- SYMBOL_VALUE (sym),
- reg_names [SYMBOL_BASEREG (sym)]);
- break;
- case LOC_BASEREG_ARG:
- printf_filtered ("an argument at offset %d from register $%s",
- SYMBOL_VALUE (sym),
- reg_names [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;
- }
+ 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 ("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))));
+ printf_filtered (", length %d.\n",
+ TYPE_LENGTH (check_typedef (SYMBOL_TYPE (sym))));
}
if (BLOCK_FUNCTION (block))
break;
char *args;
int from_tty;
{
- struct tracepoint *t;
+ struct tracepoint *t;
struct action_line *action;
- char *action_exp, *next_comma;
- struct cleanup *old_cleanups;
- int stepping_actions = 0;
- int stepping_frame = 0;
+ 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)
{
ALL_TRACEPOINTS (t)
if (t->number == tracepoint_number)
- break;
+ break;
if (t == NULL)
- error ("No known tracepoint matches 'current' tracepoint #%d.",
+ 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",
+ 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());
+ 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 (*action_exp))
+ while (isspace ((int) *action_exp))
action_exp++;
/* The collection actions to be done while stepping are
- bracketed by the commands "while-stepping" and "end". */
+ bracketed by the commands "while-stepping" and "end". */
if (*action_exp == '#') /* comment line */
continue;
STEPPING_FRAME and STEPPING_ACTIONS should be equal. */
if (stepping_frame == stepping_actions)
{
- do { /* repeat over a comma-separated list */
- QUIT;
- if (*action_exp == ',')
- action_exp++;
- while (isspace (*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 if (action_exp[0] == '$' && action_exp[1] == '(')
- { /* memrange */
- long typecode, size;
- bfd_signed_vma offset;
- char fmt[40];
-
- action_exp = parse_and_eval_memrange (action_exp,
- read_pc (),
- &typecode,
- &offset,
- &size);
- if (typecode != 0 && typecode != -1)
- offset += read_register (typecode);
- sprintf (fmt, "/%dxb 0x%x", size, offset);
- x_command (fmt, from_tty);
- next_comma = strchr (action_exp, ',');
- }
- else
- { /* variable */
- if (next_comma)
- {
- make_cleanup (replace_comma, next_comma);
- *next_comma = '\0';
- }
- printf_filtered ("%s = ", action_exp);
- output_command (action_exp, from_tty);
- printf_filtered ("\n");
- }
- if (next_comma)
- *next_comma = ',';
- action_exp = next_comma;
- } while (action_exp && *action_exp == ',');
+ do
+ { /* repeat over a comma-separated list */
+ QUIT; /* allow user to bail out with ^C */
+ if (*action_exp == ',')
+ action_exp++;
+ while (isspace ((int) *action_exp))
+ action_exp++;
+
+ next_comma = strchr (action_exp, ',');
+
+ if (0 == strncasecmp (action_exp, "$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 (mem, buf, count)
+ 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 ()
+{
+ return traceframe_number;
+}
+
+
/* module initialization */
void
_initialize_tracepoint ()
{
- tracepoint_chain = 0;
- tracepoint_count = 0;
+ 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"),
+ 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 = (struct memrange *) 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 = (struct memrange *) 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");
- add_cmd ("tracepoints", class_trace, NO_FUNCTION,
- "Tracing of 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,
add_info_alias ("tp", "tracepoints", 1);
- add_com ("save-tracepoints", class_trace, tracepoint_save_command,
+ 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.");
- add_com ("tdump", class_trace, trace_dump_command,
+ add_com ("tdump", class_trace, trace_dump_command,
"Print everything collected at the current tracepoint.");
- add_prefix_cmd ("tfind", class_trace, trace_find_command,
+ 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 whose PC is outside the given \
-range.\nUsage: tfind outside addr1, addr2",
+range.\nUsage: tfind outside addr1, addr2",
&tfindlist);
add_cmd ("range", class_trace, trace_find_range_command,
"Select a trace frame whose PC is in the given range.\n\
-Usage: tfind range addr1,addr2",
+Usage: tfind range addr1,addr2",
&tfindlist);
add_cmd ("line", class_trace, trace_find_line_command,
"Select the first trace frame in the trace buffer.",
&tfindlist);
- add_com ("tstatus", class_trace, trace_status_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,
+ 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,
+ 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\
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_alias ("ws", "while-stepping", class_alias, 0);
+ add_com_alias ("stepping", "while-stepping", class_alias, 0);
- add_com ("collect", class_trace, collect_pseudocommand,
+ 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) arguments.\n\
-Things that may be collected include registers, variables, plus\n\
-the following special arguments:\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\
- $(addr,len) -- a literal memory range.\n\
- $($reg,addr,len) -- a register-relative literal memory range.\n\n\
Note: this command can only be used in a tracepoint \"actions\" list.");
add_com ("actions", class_trace, trace_actions_command,
single-stepping, or enabling/disabling other tracepoints, \n\
depending on target's capabilities.");
- add_cmd ("tracepoints", class_trace, delete_trace_command,
+ 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,
+ 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,
+ 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.",
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 ("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);
}
-
projects / deliverable / binutils-gdb.git / blobdiff