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* symtab.c (decode_line_spec): Update. 

* linespec.c (build_canonical_line_spec): Change type of
	'canonical'.
	(decode_line_2, decode_line_1, decode_objc, decode_compound)
	(find_method, decode_all_digits, decode_dollar, decode_label)
	(symbol_found): Likewise.
	(init_linespec_result): New function.
	* breakpoint.c (struct captured_parse_breakpoint_args)
	<canonical_p>: New field, replaces addr_string_p.
	(create_breakpoints_sal): Add 'canonical' parameter, replacing
	'addr_string'.
	(parse_breakpoint_sals): Likewise.
	(do_captured_parse_breakpoint): Update.
	(create_breakpoint): Use struct linespec_result.
	(until_break_command): Update.
	(breakpoint_re_set_one): Update.
	(decode_line_spec_1): Update.
	* linespec.h (struct linespec_result): New.
	(init_linespec_result): Declare.
This commit is contained in:
Tom Tromey 2011-03-24 19:39:49 +00:00
parent 28d9b232b0
commit 7efd8fc2d8
5 changed files with 111 additions and 60 deletions
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22
gdb/ChangeLog
View File

@ -1,3 +1,25 @@
2011-03-24 Tom Tromey <tromey@redhat.com>
* symtab.c (decode_line_spec): Update.
* linespec.c (build_canonical_line_spec): Change type of
'canonical'.
(decode_line_2, decode_line_1, decode_objc, decode_compound)
(find_method, decode_all_digits, decode_dollar, decode_label)
(symbol_found): Likewise.
(init_linespec_result): New function.
* breakpoint.c (struct captured_parse_breakpoint_args)
<canonical_p>: New field, replaces addr_string_p.
(create_breakpoints_sal): Add 'canonical' parameter, replacing
'addr_string'.
(parse_breakpoint_sals): Likewise.
(do_captured_parse_breakpoint): Update.
(create_breakpoint): Use struct linespec_result.
(until_break_command): Update.
(breakpoint_re_set_one): Update.
(decode_line_spec_1): Update.
* linespec.h (struct linespec_result): New.
(init_linespec_result): Declare.
2011-03-23 Pedro Alves <pedro@codesourcery.com>
* regcache.c (regcache_raw_read): If the target didn't supply a

67
gdb/breakpoint.c
View File

@ -5955,7 +5955,7 @@ struct captured_parse_breakpoint_args
{
char **arg_p;
struct symtabs_and_lines *sals_p;
char ***addr_string_p;
struct linespec_result *canonical_p;
int *not_found_ptr;
};
@ -7480,7 +7480,8 @@ expand_line_sal_maybe (struct symtab_and_line sal)
static void
create_breakpoints_sal (struct gdbarch *gdbarch,
struct symtabs_and_lines sals, char **addr_string,
struct symtabs_and_lines sals,
struct linespec_result *canonical,
char *cond_string,
enum bptype type, enum bpdisp disposition,
int thread, int task, int ignore_count,
@ -7494,7 +7495,7 @@ create_breakpoints_sal (struct gdbarch *gdbarch,
struct symtabs_and_lines expanded =
expand_line_sal_maybe (sals.sals[i]);
create_breakpoint_sal (gdbarch, expanded, addr_string[i],
create_breakpoint_sal (gdbarch, expanded, canonical->canonical[i],
cond_string, type, disposition,
thread, task, ignore_count, ops,
from_tty, enabled, internal);
@ -7512,12 +7513,11 @@ create_breakpoints_sal (struct gdbarch *gdbarch,
static void
parse_breakpoint_sals (char **address,
struct symtabs_and_lines *sals,
char ***addr_string,
struct linespec_result *canonical,
int *not_found_ptr)
{
char *addr_start = *address;
*addr_string = NULL;
/* If no arg given, or if first arg is 'if ', use the default
breakpoint. */
if ((*address) == NULL
@ -7566,15 +7566,15 @@ parse_breakpoint_sals (char **address,
|| ((strchr ("+-", (*address)[0]) != NULL)
&& ((*address)[1] != '['))))
*sals = decode_line_1 (address, 1, default_breakpoint_symtab,
default_breakpoint_line, addr_string,
default_breakpoint_line, canonical,
not_found_ptr);
else
*sals = decode_line_1 (address, 1, (struct symtab *) NULL, 0,
addr_string, not_found_ptr);
canonical, not_found_ptr);
}
/* For any SAL that didn't have a canonical string, fill one in. */
if (sals->nelts > 0 && *addr_string == NULL)
*addr_string = xcalloc (sals->nelts, sizeof (char **));
if (sals->nelts > 0 && canonical->canonical == NULL)
canonical->canonical = xcalloc (sals->nelts, sizeof (char **));
if (addr_start != (*address))
{
int i;
@ -7582,9 +7582,9 @@ parse_breakpoint_sals (char **address,
for (i = 0; i < sals->nelts; i++)
{
/* Add the string if not present. */
if ((*addr_string)[i] == NULL)
(*addr_string)[i] = savestring (addr_start,
(*address) - addr_start);
if (canonical->canonical[i] == NULL)
canonical->canonical[i] = savestring (addr_start,
(*address) - addr_start);
}
}
}
@ -7639,7 +7639,7 @@ do_captured_parse_breakpoint (struct ui_out *ui, void *data)
{
struct captured_parse_breakpoint_args *args = data;
parse_breakpoint_sals (args->arg_p, args->sals_p, args->addr_string_p,
parse_breakpoint_sals (args->arg_p, args->sals_p, args->canonical_p,
args->not_found_ptr);
}
@ -7783,7 +7783,7 @@ create_breakpoint (struct gdbarch *gdbarch,
struct symtab_and_line pending_sal;
char *copy_arg;
char *addr_start = arg;
char **addr_string;
struct linespec_result canonical;
struct cleanup *old_chain;
struct cleanup *bkpt_chain = NULL;
struct captured_parse_breakpoint_args parse_args;
@ -7795,11 +7795,11 @@ create_breakpoint (struct gdbarch *gdbarch,
sals.sals = NULL;
sals.nelts = 0;
addr_string = NULL;
init_linespec_result (&canonical);
parse_args.arg_p = &arg;
parse_args.sals_p = &sals;
parse_args.addr_string_p = &addr_string;
parse_args.canonical_p = &canonical;
parse_args.not_found_ptr = &not_found;
if (type_wanted == bp_static_tracepoint && is_marker_spec (arg))
@ -7809,9 +7809,9 @@ create_breakpoint (struct gdbarch *gdbarch,
sals = decode_static_tracepoint_spec (&arg);
copy_arg = savestring (addr_start, arg - addr_start);
addr_string = xcalloc (sals.nelts, sizeof (char **));
canonical.canonical = xcalloc (sals.nelts, sizeof (char **));
for (i = 0; i < sals.nelts; i++)
addr_string[i] = xstrdup (copy_arg);
canonical.canonical[i] = xstrdup (copy_arg);
goto done;
}
@ -7848,7 +7848,7 @@ create_breakpoint (struct gdbarch *gdbarch,
breakpoint behavior is on and thus a pending breakpoint
is defaulted on behalf of the user. */
copy_arg = xstrdup (addr_start);
addr_string = &copy_arg;
canonical.canonical = &copy_arg;
sals.nelts = 1;
sals.sals = &pending_sal;
pending_sal.pc = 0;
@ -7873,8 +7873,8 @@ create_breakpoint (struct gdbarch *gdbarch,
/* Make sure that all storage allocated to SALS gets freed. */
make_cleanup (xfree, sals.sals);
/* Cleanup the addr_string array but not its contents. */
make_cleanup (xfree, addr_string);
/* Cleanup the canonical array but not its contents. */
make_cleanup (xfree, canonical.canonical);
}
/* ----------------------------- SNIP -----------------------------
@ -7883,12 +7883,12 @@ create_breakpoint (struct gdbarch *gdbarch,
then the memory is not reclaimed. */
bkpt_chain = make_cleanup (null_cleanup, 0);
/* Mark the contents of the addr_string for cleanup. These go on
/* Mark the contents of the canonical for cleanup. These go on
the bkpt_chain and only occur if the breakpoint create fails. */
for (i = 0; i < sals.nelts; i++)
{
if (addr_string[i] != NULL)
make_cleanup (xfree, addr_string[i]);
if (canonical.canonical[i] != NULL)
make_cleanup (xfree, canonical.canonical[i]);
}
/* Resolve all line numbers to PC's and verify that the addresses
@ -7935,7 +7935,7 @@ create_breakpoint (struct gdbarch *gdbarch,
expand multiple locations for each sal, given than SALS
already should contain all sals for MARKER_ID. */
if (type_wanted == bp_static_tracepoint
&& is_marker_spec (addr_string[0]))
&& is_marker_spec (canonical.canonical[0]))
{
int i;
@ -7950,7 +7950,7 @@ create_breakpoint (struct gdbarch *gdbarch,
expanded.sals[0] = sals.sals[i];
old_chain = make_cleanup (xfree, expanded.sals);
create_breakpoint_sal (gdbarch, expanded, addr_string[i],
create_breakpoint_sal (gdbarch, expanded, canonical.canonical[i],
cond_string, type_wanted,
tempflag ? disp_del : disp_donttouch,
thread, task, ignore_count, ops,
@ -7975,7 +7975,7 @@ create_breakpoint (struct gdbarch *gdbarch,
}
}
else
create_breakpoints_sal (gdbarch, sals, addr_string, cond_string,
create_breakpoints_sal (gdbarch, sals, &canonical, cond_string,
type_wanted,
tempflag ? disp_del : disp_donttouch,
thread, task, ignore_count, ops, from_tty,
@ -7990,7 +7990,7 @@ create_breakpoint (struct gdbarch *gdbarch,
b = set_raw_breakpoint_without_location (gdbarch, type_wanted);
set_breakpoint_number (internal, b);
b->thread = -1;
b->addr_string = addr_string[0];
b->addr_string = canonical.canonical[0];
b->cond_string = NULL;
b->ignore_count = ignore_count;
b->disposition = tempflag ? disp_del : disp_donttouch;
@ -8858,10 +8858,9 @@ until_break_command (char *arg, int from_tty, int anywhere)
if (default_breakpoint_valid)
sals = decode_line_1 (&arg, 1, default_breakpoint_symtab,
default_breakpoint_line, (char ***) NULL, NULL);
default_breakpoint_line, NULL, NULL);
else
sals = decode_line_1 (&arg, 1, (struct symtab *) NULL,
0, (char ***) NULL, NULL);
sals = decode_line_1 (&arg, 1, (struct symtab *) NULL, 0, NULL, NULL);
if (sals.nelts != 1)
error (_("Couldn't get information on specified line."));
@ -10544,7 +10543,7 @@ breakpoint_re_set_one (void *bint)
}
else
sals = decode_line_1 (&s, 1, (struct symtab *) NULL, 0,
(char ***) NULL, not_found_ptr);
NULL, not_found_ptr);
}
if (e.reason < 0)
{
@ -11150,10 +11149,10 @@ decode_line_spec_1 (char *string, int funfirstline)
sals = decode_line_1 (&string, funfirstline,
default_breakpoint_symtab,
default_breakpoint_line,
(char ***) NULL, NULL);
NULL, NULL);
else
sals = decode_line_1 (&string, funfirstline,
(struct symtab *) NULL, 0, (char ***) NULL, NULL);
(struct symtab *) NULL, 0, NULL, NULL);
if (*string)
error (_("Junk at end of line specification: %s"), string);
return sals;

60
gdb/linespec.c
View File

@ -60,12 +60,12 @@ static char *locate_first_half (char **argptr, int *is_quote_enclosed);
static struct symtabs_and_lines decode_objc (char **argptr,
int funfirstline,
struct symtab *file_symtab,
char ***canonical,
struct linespec_result *canonical,
char *saved_arg);
static struct symtabs_and_lines decode_compound (char **argptr,
int funfirstline,
char ***canonical,
struct linespec_result *canonical,
char *saved_arg,
char *p,
int *not_found_ptr);
@ -73,7 +73,7 @@ static struct symtabs_and_lines decode_compound (char **argptr,
static struct symbol *lookup_prefix_sym (char **argptr, char *p);
static struct symtabs_and_lines find_method (int funfirstline,
char ***canonical,
struct linespec_result *canonical,
char *saved_arg,
char *copy,
struct type *t,
@ -97,14 +97,15 @@ static int add_constructors (int method_counter, struct type *t,
struct symbol **sym_arr);
static void build_canonical_line_spec (struct symtab_and_line *,
char *, char ***);
char *, struct linespec_result *);
static char *find_toplevel_char (char *s, char c);
static int is_objc_method_format (const char *s);
static struct symtabs_and_lines decode_line_2 (struct symbol *[],
int, int, char ***);
int, int,
struct linespec_result *);
static struct symtab *symtab_from_filename (char **argptr,
char *p, int is_quote_enclosed,
@ -114,28 +115,28 @@ static struct
symtabs_and_lines decode_all_digits (char **argptr,
struct symtab *default_symtab,
int default_line,
char ***canonical,
struct linespec_result *canonical,
struct symtab *file_symtab,
char *q);
static struct symtabs_and_lines decode_dollar (char *copy,
int funfirstline,
struct symtab *default_symtab,
char ***canonical,
struct linespec_result *canonical,
struct symtab *file_symtab);
static int decode_label (char *copy, char ***canonical,
static int decode_label (char *copy, struct linespec_result *canonical,
struct symtabs_and_lines *result);
static struct symtabs_and_lines decode_variable (char *copy,
int funfirstline,
char ***canonical,
struct linespec_result *canonical,
struct symtab *file_symtab,
int *not_found_ptr);
static struct
symtabs_and_lines symbol_found (int funfirstline,
char ***canonical,
struct linespec_result *canonical,
char *copy,
struct symbol *sym,
struct symtab *file_symtab);
@ -405,7 +406,7 @@ add_constructors (int method_counter, struct type *t,
static void
build_canonical_line_spec (struct symtab_and_line *sal, char *symname,
char ***canonical)
struct linespec_result *canonical)
{
char **canonical_arr;
char *canonical_name;
@ -414,11 +415,11 @@ build_canonical_line_spec (struct symtab_and_line *sal, char *symname,
if (s == (struct symtab *) NULL
|| s->filename == (char *) NULL
|| canonical == (char ***) NULL)
|| canonical == NULL)
return;
canonical_arr = (char **) xmalloc (sizeof (char *));
*canonical = canonical_arr;
canonical->canonical = canonical_arr;
filename = s->filename;
if (symname != NULL)
@ -498,7 +499,7 @@ is_objc_method_format (const char *s)
static struct symtabs_and_lines
decode_line_2 (struct symbol *sym_arr[], int nelts, int funfirstline,
char ***canonical)
struct linespec_result *canonical)
{
struct symtabs_and_lines values, return_values;
char *args, *arg1;
@ -524,7 +525,7 @@ decode_line_2 (struct symbol *sym_arr[], int nelts, int funfirstline,
canonical_arr = (char **) xmalloc (nelts * sizeof (char *));
make_cleanup (xfree, canonical_arr);
memset (canonical_arr, 0, nelts * sizeof (char *));
*canonical = canonical_arr;
canonical->canonical = canonical_arr;
}
i = 0;
@ -791,7 +792,8 @@ keep_name_info (char *ptr)
struct symtabs_and_lines
decode_line_1 (char **argptr, int funfirstline, struct symtab *default_symtab,
int default_line, char ***canonical, int *not_found_ptr)
int default_line, struct linespec_result *canonical,
int *not_found_ptr)
{
char *p;
char *q;
@ -1187,7 +1189,7 @@ locate_first_half (char **argptr, int *is_quote_enclosed)
struct symtabs_and_lines
decode_objc (char **argptr, int funfirstline, struct symtab *file_symtab,
char ***canonical, char *saved_arg)
struct linespec_result *canonical, char *saved_arg)
{
struct symtabs_and_lines values;
struct symbol **sym_arr = NULL;
@ -1293,7 +1295,8 @@ decode_objc (char **argptr, int funfirstline, struct symtab *file_symtab,
pointing to "AAA::inA::fun" and P pointing to "::inA::fun". */
static struct symtabs_and_lines
decode_compound (char **argptr, int funfirstline, char ***canonical,
decode_compound (char **argptr, int funfirstline,
struct linespec_result *canonical,
char *the_real_saved_arg, char *p, int *not_found_ptr)
{
struct symtabs_and_lines values;
@ -1652,7 +1655,8 @@ lookup_prefix_sym (char **argptr, char *p)
symbol is SYM_CLASS. */
static struct symtabs_and_lines
find_method (int funfirstline, char ***canonical, char *saved_arg,
find_method (int funfirstline, struct linespec_result *canonical,
char *saved_arg,
char *copy, struct type *t, struct symbol *sym_class,
int *not_found_ptr)
{
@ -1815,7 +1819,7 @@ symtab_from_filename (char **argptr, char *p, int is_quote_enclosed,
static struct symtabs_and_lines
decode_all_digits (char **argptr, struct symtab *default_symtab,
int default_line, char ***canonical,
int default_line, struct linespec_result *canonical,
struct symtab *file_symtab, char *q)
{
@ -1904,7 +1908,7 @@ decode_all_digits (char **argptr, struct symtab *default_symtab,
static struct symtabs_and_lines
decode_dollar (char *copy, int funfirstline, struct symtab *default_symtab,
char ***canonical, struct symtab *file_symtab)
struct linespec_result *canonical, struct symtab *file_symtab)
{
LONGEST valx;
int index = 0;
@ -1984,7 +1988,8 @@ decode_dollar (char *copy, int funfirstline, struct symtab *default_symtab,
This function returns 1 if a label was found, 0 otherwise. */
static int
decode_label (char *copy, char ***canonical, struct symtabs_and_lines *result)
decode_label (char *copy, struct linespec_result *canonical,
struct symtabs_and_lines *result)
{
struct symbol *sym;
@ -2002,7 +2007,8 @@ decode_label (char *copy, char ***canonical, struct symtabs_and_lines *result)
the location pointed to and do not issue an error message. */
static struct symtabs_and_lines
decode_variable (char *copy, int funfirstline, char ***canonical,
decode_variable (char *copy, int funfirstline,
struct linespec_result *canonical,
struct symtab *file_symtab, int *not_found_ptr)
{
struct symbol *sym;
@ -2044,7 +2050,7 @@ decode_variable (char *copy, int funfirstline, char ***canonical,
corresponding struct symtabs_and_lines. */
static struct symtabs_and_lines
symbol_found (int funfirstline, char ***canonical, char *copy,
symbol_found (int funfirstline, struct linespec_result *canonical, char *copy,
struct symbol *sym, struct symtab *file_symtab)
{
struct symtabs_and_lines values;
@ -2130,3 +2136,9 @@ minsym_found (int funfirstline, struct minimal_symbol *msymbol)
values.nelts = 1;
return values;
}
void
init_linespec_result (struct linespec_result *lr)
{
memset (lr, 0, sizeof (*lr));
}

20
gdb/linespec.h
View File

@ -20,9 +20,27 @@
struct symtab;
/* An instance of this may be filled in by decode_line_1. The caller
must call init_linespec_result to initialize it. */
struct linespec_result
{
/* If non-NULL, an array of canonical names for returned
symtab_and_line objects. The array has as many elements as the
`nelts' field in the symtabs_and_line returned by decode_line_1.
An element in the array may be NULL. The array and each non-NULL
element in it are allocated with xmalloc and must be freed by the
caller. */
char **canonical;
};
/* Initialize a linespec_result. */
extern void init_linespec_result (struct linespec_result *);
extern struct symtabs_and_lines
decode_line_1 (char **argptr, int funfirstline,
struct symtab *default_symtab, int default_line,
char ***canonical, int *not_found_ptr);
struct linespec_result *canonical, int *not_found_ptr);
#endif /* defined (LINESPEC_H) */

2
gdb/symtab.c
View File

@ -4381,7 +4381,7 @@ decode_line_spec (char *string, int funfirstline)
sals = decode_line_1 (&string, funfirstline,
cursal.symtab, cursal.line,
(char ***) NULL, NULL);
NULL, NULL);
if (*string)
error (_("Junk at end of line specification: %s"), string);