#include <unistd.h>
#endif
-/* maximum length of an agent aexpression.
- this accounts for the fact that packets are limited to 400 bytes
+/* 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.
}
}
-/* Utility: wait for reply from stub, while accepting "O" packets */
+/* Utility: wait for reply from stub, while accepting "O" packets. */
static char *
remote_get_noisy_reply (char *buf,
long sizeof_buf)
{
- do /* loop on reply from remote stub */
+ do /* Loop on reply from remote stub. */
{
QUIT; /* allow user to bail out with ^C */
getpkt (buf, sizeof_buf, 0);
{
tracepoint_number = num;
set_internalvar (lookup_internalvar ("tracepoint"),
- value_from_longest (builtin_type_int, (LONGEST) num));
+ value_from_longest (builtin_type_int,
+ (LONGEST) num));
}
/* Set externally visible debug variables for querying/printing
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;
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_longest (builtin_type_int,
+ (LONGEST) - 1));
return;
}
- /* save as globals for internal use */
+ /* Save as globals for internal use. */
traceframe_sal = find_pc_line (trace_pc, 0);
traceframe_fun = find_pc_function (trace_pc);
- /* save linenumber as "$trace_line", a debugger variable visible to users */
+ /* Save linenumber as "$trace_line", a debugger variable visible to
+ users. */
set_internalvar (lookup_internalvar ("trace_line"),
value_from_longest (builtin_type_int,
(LONGEST) traceframe_sal.line));
- /* save func name as "$trace_func", a debugger variable visible to users */
+ /* Save func name as "$trace_func", a debugger variable visible to
+ users. */
if (traceframe_fun == NULL ||
DEPRECATED_SYMBOL_NAME (traceframe_fun) == NULL)
set_internalvar (lookup_internalvar ("trace_func"),
set_internalvar (lookup_internalvar ("trace_func"), func_val);
}
- /* save file name as "$trace_file", a debugger variable visible to users */
+ /* Save file name as "$trace_file", a debugger variable visible to
+ users. */
if (traceframe_sal.symtab == NULL ||
traceframe_sal.symtab->filename == NULL)
set_internalvar (lookup_internalvar ("trace_file"),
Does not print anything.
==> This routine should not be called if there is a chance of later
- error(); otherwise it leaves a bogus tracepoint on the chain. Validate
- your arguments BEFORE calling this routine! */
+ error(); otherwise it leaves a bogus tracepoint on the chain.
+ Validate your arguments BEFORE calling this routine! */
static struct tracepoint *
set_raw_tracepoint (struct symtab_and_line sal)
return t;
}
-/* Set a tracepoint according to ARG (function, linenum or *address) */
+/* Set a tracepoint according to ARG (function, linenum or *address). */
static void
trace_command (char *arg, int from_tty)
{
printf_filtered ("TRACE %s\n", arg);
addr_start = arg;
- sals = decode_line_1 (&arg, 1, (struct symtab *) NULL, 0, &canonical, NULL);
+ sals = decode_line_1 (&arg, 1, (struct symtab *) NULL,
+ 0, &canonical, NULL);
addr_end = arg;
if (!sals.nelts)
- return; /* ??? Presumably decode_line_1 has already warned? */
+ return; /* ??? Presumably decode_line_1 has already warned? */
/* Resolve all line numbers to PC's */
for (i = 0; i < sals.nelts; i++)
}
}
-/* Tell the user we have just set a tracepoint TP. */
+/* Tell the user we have just set a tracepoint TP. */
static void
trace_mention (struct tracepoint *tp)
printf_filtered ("\n");
}
-/* Print information on tracepoint number TPNUM_EXP, or all if omitted. */
+/* Print information on tracepoint number TPNUM_EXP, or all if
+ omitted. */
static void
tracepoints_info (char *tpnum_exp, int from_tty)
ALL_TRACEPOINTS (t)
if (tpnum == -1 || tpnum == t->number)
{
- extern int addressprint; /* print machine addresses? */
+ extern int addressprint; /* Print machine addresses? */
if (!found_a_tracepoint++)
{
}
}
-/* 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.
- */
+/* 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
{
enable_op,
delete_op
};
-/* This function implements enable, disable and delete commands. */
+/* This function implements enable, disable and delete commands. */
static void
tracepoint_operation (struct tracepoint *t, int from_tty,
enum tracepoint_opcode opcode)
if (tpnum <= 0)
{
if (instring && *instring)
- printf_filtered ("bad tracepoint number at or near '%s'\n", 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;
return NULL;
}
-/* Utility: parse a list of tracepoint numbers, and call a func for each. */
+/* Utility:
+ parse a list of tracepoint numbers, and call a func for each. */
static void
map_args_over_tracepoints (char *args, int from_tty,
enum tracepoint_opcode opcode)
else
while (*args)
{
- QUIT; /* give user option to bail out with ^C */
+ 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')
}
}
-/* The 'enable trace' command enables tracepoints. Not supported by all targets. */
+/* The 'enable trace' command enables tracepoints.
+ Not supported by all targets. */
static void
enable_trace_command (char *args, int from_tty)
{
map_args_over_tracepoints (args, from_tty, enable_op);
}
-/* The 'disable trace' command enables tracepoints. Not supported by all targets. */
+/* The 'disable trace' command disables tracepoints.
+ Not supported by all targets. */
static void
disable_trace_command (char *args, int from_tty)
{
{
dont_repeat ();
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 (from_tty) /* confirm only if from_tty... */
+ if (tracepoint_chain) /* and if there are tracepoints to
+ delete! */
if (!query ("Delete all tracepoints? "))
return;
if (args == 0 || *args == 0)
error ("passcount command requires an argument (count + optional TP num)");
- count = strtoul (args, &args, 10); /* count comes first, then TP num */
+ count = strtoul (args, &args, 10); /* Count comes first, then TP num. */
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.");
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. */
+ /* 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. */
wrap_here ("");
gdb_flush (gdb_stdout);
gdb_flush (gdb_stderr);
{ /* 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. */
+ /* An "end" all by itself with no other actions
+ means this tracepoint has no actions.
+ Discard empty list. */
free_actions (t);
}
break;
for (p = *line; isspace ((int) *p);)
p++;
- /* symbol lookup etc. */
- if (*p == '\0') /* empty line: just prompt for another line. */
+ /* Symbol lookup etc. */
+ if (*p == '\0') /* empty line: just prompt for another line. */
return BADLINE;
if (*p == '#') /* comment line */
c = lookup_cmd (&p, cmdlist, "", -1, 1);
if (c == 0)
{
- warning ("'%s' is not an action that I know, or is ambiguous.", p);
+ warning ("'%s' is not an action that I know, or is ambiguous.",
+ p);
return BADLINE;
}
p = strchr (p, ',');
continue;
}
- /* else fall thru, treat p as an expression and parse it! */
+ /* 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);
}
}
- /* we have something to collect, make sure that the expr to
- bytecode translator can handle it and that it's not too long */
+ /* 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);
return 0;
}
-/* Sort the memrange list using qsort, and merge adjacent memranges */
+/* Sort the memrange list using qsort, and merge adjacent memranges. */
static void
memrange_sortmerge (struct collection_list *memranges)
{
}
}
-/* Add a register to a collection list */
+/* Add a register to a collection list. */
static void
add_register (struct collection_list *collection, unsigned int regno)
{
/* Add a memrange to a collection list */
static void
-add_memrange (struct collection_list *memranges, int type, bfd_signed_vma base,
+add_memrange (struct collection_list *memranges,
+ int type, bfd_signed_vma base,
unsigned long len)
{
if (info_verbose)
/* type: 0 == memory, n == basereg */
memranges->list[memranges->next_memrange].type = type;
- /* base: addr if memory, offset if reg relative. */
+ /* 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->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 */
+/* Add a symbol to a collection list. */
static void
-collect_symbol (struct collection_list *collect, struct symbol *sym,
+collect_symbol (struct collection_list *collect,
+ struct symbol *sym,
long frame_regno, long frame_offset)
{
unsigned long len;
{
default:
printf_filtered ("%s: don't know symbol class %d\n",
- DEPRECATED_SYMBOL_NAME (sym), SYMBOL_CLASS (sym));
+ DEPRECATED_SYMBOL_NAME (sym),
+ SYMBOL_CLASS (sym));
break;
case LOC_CONST:
printf_filtered ("constant %s (value %ld) will not be collected.\n",
sprintf_vma (tmp, offset);
printf_filtered ("LOC_STATIC %s: collect %ld bytes at %s.\n",
- DEPRECATED_SYMBOL_NAME (sym), len, tmp /* address */);
+ DEPRECATED_SYMBOL_NAME (sym), len,
+ tmp /* address */);
}
add_memrange (collect, -1, offset, len); /* 0 == memory */
break;
case LOC_REGPARM:
reg = SYMBOL_VALUE (sym);
if (info_verbose)
- printf_filtered ("LOC_REG[parm] %s: ", DEPRECATED_SYMBOL_NAME (sym));
+ printf_filtered ("LOC_REG[parm] %s: ",
+ DEPRECATED_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? */
+ /* 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_size (current_gdbarch, reg))
add_register (collect, reg + 1);
add_memrange (collect, reg, offset, len);
break;
case LOC_UNRESOLVED:
- printf_filtered ("Don't know LOC_UNRESOLVED %s\n", DEPRECATED_SYMBOL_NAME (sym));
+ printf_filtered ("Don't know LOC_UNRESOLVED %s\n",
+ DEPRECATED_SYMBOL_NAME (sym));
break;
case LOC_OPTIMIZED_OUT:
printf_filtered ("%s has been optimized out of existence.\n",
if (type == 'L') /* collecting Locals */
{
count++;
- collect_symbol (collect, sym, frame_regno, frame_offset);
+ collect_symbol (collect, sym, frame_regno,
+ frame_offset);
}
break;
case LOC_ARG:
if (type == 'A') /* collecting Arguments */
{
count++;
- collect_symbol (collect, sym, frame_regno, frame_offset);
+ collect_symbol (collect, sym, frame_regno,
+ frame_offset);
}
}
}
block = BLOCK_SUPERBLOCK (block);
}
if (count == 0)
- warning ("No %s found in scope.", type == 'L' ? "locals" : "args");
+ warning ("No %s found in scope.",
+ type == 'L' ? "locals" : "args");
}
/* worker function */
end += 10; /* 'X' + 8 hex digits + ',' */
count += 10;
- end = mem2hex (list->aexpr_list[i]->buf, end, list->aexpr_list[i]->len);
+ end = mem2hex (list->aexpr_list[i]->buf,
+ end, list->aexpr_list[i]->len);
count += 2 * list->aexpr_list[i]->len;
}
xfree (actions_list);
}
-/* render all actions into gdb protocol */
+/* Render all actions into gdb protocol. */
static void
encode_actions (struct tracepoint *t, char ***tdp_actions,
char ***stepping_actions)
for (ndx2 = 0; ndx2 < 8; ndx2++)
if (areqs.reg_mask[ndx1] & (1 << ndx2))
/* it's used -- record it */
- add_register (collect, ndx1 * 8 + ndx2);
+ add_register (collect,
+ ndx1 * 8 + ndx2);
}
}
}
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
int anysecs = 0;
if (!exec_bfd)
- return; /* no information to give. */
+ return; /* No information to give. */
strcpy (target_buf, "QTro");
for (s = exec_bfd->sections; s; s = s->next)
static void
trace_start_command (char *args, int from_tty)
-{ /* STUB_COMM MOSTLY_IMPLEMENTED */
+{
struct tracepoint *t;
char buf[2048];
char **tdp_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 ())
{
char tmp[40];
sprintf_vma (tmp, t->address);
- sprintf (buf, "QTDP:%x:%s:%c:%lx:%x", t->number, tmp, /* address */
+ sprintf (buf, "QTDP:%x:%s:%c:%lx:%x", t->number,
+ tmp, /* address */
t->enabled_p ? 'E' : 'D',
t->step_count, t->pass_count);
((tdp_actions[ndx + 1] || stepping_actions)
? '-' : 0));
putpkt (buf);
- remote_get_noisy_reply (target_buf, sizeof (target_buf));
+ remote_get_noisy_reply (target_buf,
+ sizeof (target_buf));
if (strcmp (target_buf, "OK"))
error ("Error on target while setting tracepoints.");
}
stepping_actions[ndx],
(stepping_actions[ndx + 1] ? "-" : ""));
putpkt (buf);
- remote_get_noisy_reply (target_buf, sizeof (target_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 */
+ /* Tell target to treat text-like sections as transparent. */
remote_set_transparent_ranges ();
- /* Now insert traps and begin collecting data */
+ /* Now insert traps and begin collecting data. */
putpkt ("QTStart");
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_traceframe_num (-1); /* All old traceframes invalidated. */
set_tracepoint_num (-1);
set_traceframe_context (-1);
trace_running_p = 1;
/* tstop command */
static void
trace_stop_command (char *args, int from_tty)
-{ /* STUB_COMM IS_IMPLEMENTED */
+{
if (target_is_remote ())
{
putpkt ("QTStop");
/* tstatus command */
static void
trace_status_command (char *args, int from_tty)
-{ /* STUB_COMM IS_IMPLEMENTED */
+{
if (target_is_remote ())
{
putpkt ("qTStatus");
error ("Trace can only be run on remote targets.");
}
-/* Worker function for the various flavors of the tfind command */
+/* Worker function for the various flavors of the tfind command. */
static void
finish_tfind_command (char *msg,
long sizeof_msg,
{
if (info_verbose)
printf_filtered ("End of trace buffer.\n");
- /* The following will not recurse, since it's special-cased */
+ /* 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) */
+ reply = NULL; /* Break out of loop
+ (avoid recursive nonsense). */
}
}
break;
enum print_what print_what;
/* 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.
+ 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. */
+ 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 ||
/* tfind command */
static void
trace_find_command (char *args, int from_tty)
-{ /* STUB_COMM PART_IMPLEMENTED */
- /* this should only be called with a numeric argument */
+{ /* this should only be called with a numeric argument */
int frameno = -1;
if (target_is_remote ())
deprecated_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
/* tfind pc command */
static void
trace_find_pc_command (char *args, int from_tty)
-{ /* STUB_COMM PART_IMPLEMENTED */
+{
CORE_ADDR pc;
char tmp[40];
/* tfind tracepoint command */
static void
trace_find_tracepoint_command (char *args, int from_tty)
-{ /* STUB_COMM PART_IMPLEMENTED */
+{
int tdp;
if (target_is_remote ())
/* TFIND LINE command:
This command will take a sourceline for argument, just like BREAK
- or TRACE (ie. anything that "decode_line_1" can handle).
+ or TRACE (ie. anything that "decode_line_1" can handle).
With no argument, this command will find the next trace frame
corresponding to a source line OTHER THAN THE CURRENT ONE. */
static void
trace_find_line_command (char *args, int from_tty)
-{ /* STUB_COMM PART_IMPLEMENTED */
+{
static CORE_ADDR start_pc, end_pc;
struct symtabs_and_lines sals;
struct symtab_and_line sal;
printf_filtered ("TFIND: No line number information available");
if (sal.pc != 0)
{
- /* This is useful for "info line *0x7f34". If we can't tell the
- user about a source line, at least let them have the symbolic
- address. */
+ /* This is useful for "info line *0x7f34". If we can't
+ tell the user about a source line, at least let them
+ have the symbolic address. */
printf_filtered (" for address ");
wrap_here (" ");
print_address (sal.pc, gdb_stdout);
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
}
else
/* Is there any case in which we get here, and have an address
- which the user would want to see? If we have debugging symbols
- and no line numbers? */
+ which the user would want to see? If we have debugging
+ symbols and no line numbers? */
error ("Line number %d is out of range for \"%s\".\n",
sal.line, sal.symtab->filename);
sprintf_vma (startpc_str, start_pc);
sprintf_vma (endpc_str, end_pc - 1);
- if (args && *args) /* find within range of stated line */
- sprintf (target_buf, "QTFrame:range:%s:%s", startpc_str, endpc_str);
- else /* find OUTSIDE OF range of CURRENT line */
- sprintf (target_buf, "QTFrame:outside:%s:%s", startpc_str, endpc_str);
- finish_tfind_command (target_buf, sizeof (target_buf), from_tty);
+ /* Find within range of stated line. */
+ if (args && *args)
+ sprintf (target_buf, "QTFrame:range:%s:%s",
+ startpc_str, endpc_str);
+ /* Find OUTSIDE OF range of CURRENT line. */
+ else
+ 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
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 (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;
}
else if (cmd_cfunc_eq (cmd, collect_pseudocommand))
{
/* Display the collected data.
- For the trap frame, display only what was collected at the trap.
- Likewise for stepping frames, display only what was collected
- while stepping. This means that the two boolean variables,
- STEPPING_FRAME and STEPPING_ACTIONS should be equal. */
+ For the trap frame, display only what was collected at
+ the trap. Likewise for stepping frames, display only
+ what was collected while stepping. This means that the
+ two boolean variables, STEPPING_FRAME and
+ STEPPING_ACTIONS should be equal. */
if (stepping_frame == stepping_actions)
{
do
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.",
+No argument means forward by one frame; '-' means backward by one frame.",
&tfindlist, "tfind ", 1, &cmdlist);
add_cmd ("outside", class_trace, trace_find_outside_command,
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