/* Support for printing Chill values for GDB, the GNU debugger.
- Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994
+ Copyright 1986, 1988, 1989, 1991-1994, 2000
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., 675 Mass Ave, Cambridge, MA 02139, 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 "obstack.h"
#include "value.h"
#include "language.h"
#include "demangle.h"
-#include "c-lang.h" /* For c_val_print */
+#include "c-lang.h" /* For c_val_print */
#include "typeprint.h"
#include "ch-lang.h"
+#include "annotate.h"
-static void
-chill_print_value_fields PARAMS ((struct type *, char *, GDB_FILE *, int, int,
- enum val_prettyprint, struct type **));
+static void chill_print_value_fields (struct type *, char *,
+ struct ui_file *, int, int,
+ enum val_prettyprint, struct type **);
+
+static void chill_print_type_scalar (struct type *, LONGEST,
+ struct ui_file *);
+static void chill_val_print_array_elements (struct type *, char *,
+ CORE_ADDR, struct ui_file *,
+ int, int, int,
+ enum val_prettyprint);
\f
+
/* Print integral scalar data VAL, of type TYPE, onto stdio stream STREAM.
Used to print data from type structures in a specified type. For example,
array bounds may be characters or booleans in some languages, and this
allows the ranges to be printed in their "natural" form rather than as
decimal integer values. */
-void
-chill_print_type_scalar (type, val, stream)
- struct type *type;
- LONGEST val;
- GDB_FILE *stream;
+static void
+chill_print_type_scalar (struct type *type, LONGEST val, struct ui_file *stream)
{
switch (TYPE_CODE (type))
{
chill_print_type_scalar (TYPE_TARGET_TYPE (type), val, stream);
return;
}
+ break;
+ case TYPE_CODE_UNDEF:
+ case TYPE_CODE_PTR:
+ case TYPE_CODE_ARRAY:
+ case TYPE_CODE_STRUCT:
+ case TYPE_CODE_UNION:
+ case TYPE_CODE_ENUM:
+ case TYPE_CODE_FUNC:
+ case TYPE_CODE_INT:
+ case TYPE_CODE_FLT:
+ case TYPE_CODE_VOID:
+ case TYPE_CODE_SET:
+ case TYPE_CODE_STRING:
+ case TYPE_CODE_BITSTRING:
+ case TYPE_CODE_ERROR:
+ case TYPE_CODE_MEMBER:
+ case TYPE_CODE_METHOD:
+ case TYPE_CODE_REF:
+ case TYPE_CODE_CHAR:
+ case TYPE_CODE_BOOL:
+ case TYPE_CODE_COMPLEX:
+ case TYPE_CODE_TYPEDEF:
+ default:
+ break;
}
print_type_scalar (type, val, stream);
}
element indexes (in Chill syntax). */
static void
-chill_val_print_array_elements (type, valaddr, address, stream,
- format, deref_ref, recurse, pretty)
- struct type *type;
- char *valaddr;
- CORE_ADDR address;
- GDB_FILE *stream;
- int format;
- int deref_ref;
- int recurse;
- enum val_prettyprint pretty;
+chill_val_print_array_elements (struct type *type, char *valaddr,
+ CORE_ADDR address, struct ui_file *stream,
+ int format, int deref_ref, int recurse,
+ enum val_prettyprint pretty)
{
unsigned int i = 0;
unsigned int things_printed = 0;
unsigned int rep1;
/* Number of repetitions we have detected so far. */
unsigned int reps;
- LONGEST low_bound = TYPE_FIELD_BITPOS (range_type, 0);
- LONGEST high_bound = TYPE_FIELD_BITPOS (range_type, 1);
-
- elttype = TYPE_TARGET_TYPE (type);
+ LONGEST low_bound = TYPE_FIELD_BITPOS (range_type, 0);
+
+ elttype = check_typedef (TYPE_TARGET_TYPE (type));
eltlen = TYPE_LENGTH (elttype);
len = TYPE_LENGTH (type) / eltlen;
rep1 = i + 1;
reps = 1;
- while ((rep1 < len) &&
+ while ((rep1 < len) &&
!memcmp (valaddr + i * eltlen, valaddr + rep1 * eltlen, eltlen))
{
++reps;
chill_print_type_scalar (index_type, low_bound + i + reps - 1,
stream);
fputs_filtered ("): ", stream);
- val_print (elttype, valaddr + i * eltlen, 0, stream, format,
+ val_print (elttype, valaddr + i * eltlen, 0, 0, stream, format,
deref_ref, recurse + 1, pretty);
i = rep1 - 1;
else
{
fputs_filtered ("): ", stream);
- val_print (elttype, valaddr + i * eltlen, 0, stream, format,
+ val_print (elttype, valaddr + i * eltlen, 0, 0, stream, format,
deref_ref, recurse + 1, pretty);
annotate_elt ();
things_printed++;
The PRETTY parameter controls prettyprinting. */
int
-chill_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
- pretty)
- struct type *type;
- char *valaddr;
- CORE_ADDR address;
- GDB_FILE *stream;
- int format;
- int deref_ref;
- int recurse;
- enum val_prettyprint pretty;
+chill_val_print (struct type *type, char *valaddr, int embedded_offset,
+ CORE_ADDR address, struct ui_file *stream, int format,
+ int deref_ref, int recurse, enum val_prettyprint pretty)
{
LONGEST val;
unsigned int i = 0; /* Number of characters printed. */
struct type *elttype;
CORE_ADDR addr;
+ CHECK_TYPEDEF (type);
+
switch (TYPE_CODE (type))
{
case TYPE_CODE_ARRAY:
}
fprintf_filtered (stream, "[");
chill_val_print_array_elements (type, valaddr, address, stream,
- format, deref_ref, recurse, pretty);
+ format, deref_ref, recurse, pretty);
fprintf_filtered (stream, "]");
}
else
case TYPE_CODE_UNDEF:
/* This happens (without TYPE_FLAG_STUB set) on systems which don't use
- dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar"
- and no complete type for struct foo in that file. */
+ dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar"
+ and no complete type for struct foo in that file. */
fprintf_filtered (stream, "<incomplete type>");
break;
break;
}
addr = unpack_pointer (type, valaddr);
- elttype = TYPE_TARGET_TYPE (type);
+ elttype = check_typedef (TYPE_TARGET_TYPE (type));
/* We assume a NULL pointer is all zeros ... */
if (addr == 0)
fputs_filtered ("NULL", stream);
return 0;
}
-
+
if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
{
/* Try to print what function it points to. */
{
print_address_numeric (addr, 1, stream);
}
-
+
/* For a pointer to char or unsigned char, also print the string
- pointed to, unless pointer is null. */
+ pointed to, unless pointer is null. */
if (TYPE_LENGTH (elttype) == 1
&& TYPE_CODE (elttype) == TYPE_CODE_CHAR
&& (format == 0 || format == 's')
&& addr != 0
- && /* If print_max is UINT_MAX, the alloca below will fail.
- In that case don't try to print the string. */
+ && /* If print_max is UINT_MAX, the alloca below will fail.
+ In that case don't try to print the string. */
print_max < UINT_MAX)
- {
- i = val_print_string (addr, 0, stream);
- }
+ i = val_print_string (addr, -1, TYPE_LENGTH (elttype), stream);
+
/* Return number of characters printed, plus one for the
- terminating null if we have "reached the end". */
+ terminating null if we have "reached the end". */
return (i + (print_max && i != print_max));
break;
case TYPE_CODE_STRING:
i = TYPE_LENGTH (type);
- LA_PRINT_STRING (stream, valaddr, i, 0);
+ LA_PRINT_STRING (stream, valaddr, i, 1, 0);
/* Return number of characters printed, plus one for the terminating
- null if we have "reached the end". */
+ null if we have "reached the end". */
return (i + (print_max && i != print_max));
break;
case TYPE_CODE_BITSTRING:
case TYPE_CODE_SET:
elttype = TYPE_INDEX_TYPE (type);
- check_stub_type (elttype);
+ CHECK_TYPEDEF (elttype);
if (TYPE_FLAGS (elttype) & TYPE_FLAG_STUB)
{
fprintf_filtered (stream, "<incomplete type>");
}
{
struct type *range = elttype;
- int low_bound = TYPE_LOW_BOUND (range);
- int high_bound = TYPE_HIGH_BOUND (range);
+ LONGEST low_bound, high_bound;
int i;
int is_bitstring = TYPE_CODE (type) == TYPE_CODE_BITSTRING;
int need_comma = 0;
fputs_filtered ("B'", stream);
else
fputs_filtered ("[", stream);
+
+ i = get_discrete_bounds (range, &low_bound, &high_bound);
+ maybe_bad_bstring:
+ if (i < 0)
+ {
+ fputs_filtered ("<error value>", stream);
+ goto done;
+ }
+
for (i = low_bound; i <= high_bound; i++)
{
int element = value_bit_index (type, valaddr, i);
+ if (element < 0)
+ {
+ i = element;
+ goto maybe_bad_bstring;
+ }
if (is_bitstring)
fprintf_filtered (stream, "%d", element);
else if (element)
{
if (need_comma)
fputs_filtered (", ", stream);
- chill_print_type_scalar (range, i, stream);
+ chill_print_type_scalar (range, (LONGEST) i, stream);
need_comma = 1;
/* Look for a continuous range of true elements. */
- if (i+1 <= high_bound && value_bit_index (type, valaddr, ++i))
+ if (i + 1 <= high_bound && value_bit_index (type, valaddr, ++i))
{
- int j = i; /* j is the upper bound so far of the range */
+ int j = i; /* j is the upper bound so far of the range */
fputs_filtered (":", stream);
- while (i+1 <= high_bound
+ while (i + 1 <= high_bound
&& value_bit_index (type, valaddr, ++i))
j = i;
- chill_print_type_scalar (range, j, stream);
+ chill_print_type_scalar (range, (LONGEST) j, stream);
}
}
}
+ done:
if (is_bitstring)
fputs_filtered ("'", stream);
else
case TYPE_CODE_STRUCT:
if (chill_varying_type (type))
{
- struct type *inner = TYPE_FIELD_TYPE (type, 1);
+ struct type *inner = check_typedef (TYPE_FIELD_TYPE (type, 1));
long length = unpack_long (TYPE_FIELD_TYPE (type, 0), valaddr);
char *data_addr = valaddr + TYPE_FIELD_BITPOS (type, 1) / 8;
-
+
switch (TYPE_CODE (inner))
{
case TYPE_CODE_STRING:
- if (length > TYPE_LENGTH (type))
+ if (length > TYPE_LENGTH (type) - 2)
{
fprintf_filtered (stream,
- "<dynamic length %d > static length %d>",
+ "<dynamic length %ld > static length %d> *invalid*",
length, TYPE_LENGTH (type));
+
+ /* Don't print the string; doing so might produce a
+ segfault. */
+ return length;
}
- LA_PRINT_STRING (stream, data_addr, length, 0);
+ LA_PRINT_STRING (stream, data_addr, length, 1, 0);
return length;
default:
break;
case TYPE_CODE_REF:
if (addressprint)
- {
+ {
fprintf_filtered (stream, "LOC(");
print_address_numeric
(extract_address (valaddr, TARGET_PTR_BIT / HOST_CHAR_BIT),
fprintf_filtered (stream, ")");
if (deref_ref)
fputs_filtered (": ", stream);
- }
+ }
/* De-reference the reference. */
if (deref_ref)
{
if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_UNDEF)
{
value_ptr deref_val =
- value_at
- (TYPE_TARGET_TYPE (type),
- unpack_pointer (lookup_pointer_type (builtin_type_void),
- valaddr));
+ value_at
+ (TYPE_TARGET_TYPE (type),
+ unpack_pointer (lookup_pointer_type (builtin_type_void),
+ valaddr),
+ NULL);
val_print (VALUE_TYPE (deref_val),
VALUE_CONTENTS (deref_val),
+ 0,
VALUE_ADDRESS (deref_val), stream, format,
deref_ref, recurse + 1, pretty);
}
break;
case TYPE_CODE_ENUM:
- c_val_print (type, valaddr, address, stream, format,
+ c_val_print (type, valaddr, 0, address, stream, format,
deref_ref, recurse, pretty);
break;
case TYPE_CODE_RANGE:
if (TYPE_TARGET_TYPE (type))
- chill_val_print (TYPE_TARGET_TYPE (type), valaddr, address, stream,
+ chill_val_print (TYPE_TARGET_TYPE (type), valaddr, 0, address, stream,
format, deref_ref, recurse, pretty);
break;
case TYPE_CODE_ERROR:
default:
/* Let's defer printing to the C printer, rather than
- print an error message. FIXME! */
- c_val_print (type, valaddr, address, stream, format,
+ print an error message. FIXME! */
+ c_val_print (type, valaddr, 0, address, stream, format,
deref_ref, recurse, pretty);
}
gdb_flush (stream);
should not print, or zero if called from top level. */
static void
-chill_print_value_fields (type, valaddr, stream, format, recurse, pretty,
- dont_print)
- struct type *type;
- char *valaddr;
- GDB_FILE *stream;
- int format;
- int recurse;
- enum val_prettyprint pretty;
- struct type **dont_print;
+chill_print_value_fields (struct type *type, char *valaddr,
+ struct ui_file *stream, int format, int recurse,
+ enum val_prettyprint pretty, struct type **dont_print)
{
int i, len;
int fields_seen = 0;
- check_stub_type (type);
+ CHECK_TYPEDEF (type);
fprintf_filtered (stream, "[");
len = TYPE_NFIELDS (type);
fprintf_filtered (stream, "\n");
print_spaces_filtered (2 + 2 * recurse, stream);
}
- else
+ else
{
wrap_here (n_spaces (2 + 2 * recurse));
}
value_ptr v;
/* Bitfields require special handling, especially due to byte
- order problems. */
+ order problems. */
v = value_from_longest (TYPE_FIELD_TYPE (type, i),
- unpack_field_as_long (type, valaddr, i));
+ unpack_field_as_long (type, valaddr, i));
- chill_val_print (TYPE_FIELD_TYPE (type, i), VALUE_CONTENTS (v), 0,
+ chill_val_print (TYPE_FIELD_TYPE (type, i), VALUE_CONTENTS (v), 0, 0,
stream, format, 0, recurse + 1, pretty);
}
else
{
- chill_val_print (TYPE_FIELD_TYPE (type, i),
- valaddr + TYPE_FIELD_BITPOS (type, i) / 8,
+ chill_val_print (TYPE_FIELD_TYPE (type, i),
+ valaddr + TYPE_FIELD_BITPOS (type, i) / 8, 0,
0, stream, format, 0, recurse + 1, pretty);
}
}
}
\f
int
-chill_value_print (val, stream, format, pretty)
- value_ptr val;
- GDB_FILE *stream;
- int format;
- enum val_prettyprint pretty;
+chill_value_print (value_ptr val, struct ui_file *stream, int format,
+ enum val_prettyprint pretty)
{
- /* A "repeated" value really contains several values in a row.
- They are made by the @ operator.
- Print such values as if they were arrays. */
+ struct type *type = VALUE_TYPE (val);
+ struct type *real_type = check_typedef (type);
- if (VALUE_REPEATED (val))
- {
- register unsigned int n = VALUE_REPETITIONS (val);
- register unsigned int typelen = TYPE_LENGTH (VALUE_TYPE (val));
- fprintf_filtered (stream, "[");
- /* Print arrays of characters using string syntax. */
- if (typelen == 1 && TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_INT
- && format == 0)
- LA_PRINT_STRING (stream, VALUE_CONTENTS (val), n, 0);
- else
- {
- value_print_array_elements (val, stream, format, pretty);
- }
- fprintf_filtered (stream, "]");
- return (n * typelen);
- }
- else
- {
- struct type *type = VALUE_TYPE (val);
-
- /* If it is a pointer, indicate what it points to.
+ /* If it is a pointer, indicate what it points to.
- Print type also if it is a reference.
+ Print type also if it is a reference. */
- C++: if it is a member pointer, we will take care
- of that when we print it. */
- if (TYPE_CODE (type) == TYPE_CODE_PTR ||
- TYPE_CODE (type) == TYPE_CODE_REF)
+ if (TYPE_CODE (real_type) == TYPE_CODE_PTR ||
+ TYPE_CODE (real_type) == TYPE_CODE_REF)
+ {
+ char *valaddr = VALUE_CONTENTS (val);
+ CORE_ADDR addr = unpack_pointer (type, valaddr);
+ if (TYPE_CODE (type) != TYPE_CODE_PTR || addr != 0)
{
- char *valaddr = VALUE_CONTENTS (val);
- CORE_ADDR addr = unpack_pointer (type, valaddr);
- if (TYPE_CODE (type) != TYPE_CODE_PTR || addr != 0)
+ int i;
+ char *name = TYPE_NAME (type);
+ if (name)
+ fputs_filtered (name, stream);
+ else if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID)
+ fputs_filtered ("PTR", stream);
+ else
{
- int i;
- char *name = TYPE_NAME (type);
- if (name)
- fputs_filtered (name, stream);
- else if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID)
- fputs_filtered ("PTR", stream);
- else
- {
- fprintf_filtered (stream, "(");
- type_print (type, "", stream, -1);
- fprintf_filtered (stream, ")");
- }
fprintf_filtered (stream, "(");
- i = val_print (type, valaddr, VALUE_ADDRESS (val),
- stream, format, 1, 0, pretty);
+ type_print (type, "", stream, -1);
fprintf_filtered (stream, ")");
- return i;
}
+ fprintf_filtered (stream, "(");
+ i = val_print (type, valaddr, 0, VALUE_ADDRESS (val),
+ stream, format, 1, 0, pretty);
+ fprintf_filtered (stream, ")");
+ return i;
}
- return (val_print (type, VALUE_CONTENTS (val),
- VALUE_ADDRESS (val), stream, format, 1, 0, pretty));
}
+ return (val_print (type, VALUE_CONTENTS (val), 0,
+ VALUE_ADDRESS (val), stream, format, 1, 0, pretty));
}
-
-
projects / deliverable / binutils-gdb.git / blobdiff