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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
commit071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch)
tree5deda65b8d7b04d1f4cbc534c3206d328e1267ec /gdb/ch-valprint.c
parent1730ec6b1848f0f32154277f788fb29f88d8475b (diff)
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Initial creation of sourceware repository
Diffstat (limited to 'gdb/ch-valprint.c')
-rw-r--r--gdb/ch-valprint.c630
1 files changed, 0 insertions, 630 deletions
diff --git a/gdb/ch-valprint.c b/gdb/ch-valprint.c
deleted file mode 100644
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--- a/gdb/ch-valprint.c
+++ /dev/null
@@ -1,630 +0,0 @@
-/* Support for printing Chill values for GDB, the GNU debugger.
- Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994
- Free Software Foundation, Inc.
-
-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 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. */
-
-#include "defs.h"
-#include "obstack.h"
-#include "symtab.h"
-#include "gdbtypes.h"
-#include "valprint.h"
-#include "expression.h"
-#include "value.h"
-#include "language.h"
-#include "demangle.h"
-#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_type_scalar PARAMS ((struct type *, LONGEST, GDB_FILE *));
-
-static void
-chill_val_print_array_elements PARAMS ((struct type *, char *, CORE_ADDR, GDB_FILE *,
- int, int, int, enum val_prettyprint));
-
-
-/* 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. */
-
-static void
-chill_print_type_scalar (type, val, stream)
- struct type *type;
- LONGEST val;
- GDB_FILE *stream;
-{
- switch (TYPE_CODE (type))
- {
- case TYPE_CODE_RANGE:
- if (TYPE_TARGET_TYPE (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);
-}
-
-/* Print the elements of an array.
- Similar to val_print_array_elements, but prints
- 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;
-{
- unsigned int i = 0;
- unsigned int things_printed = 0;
- unsigned len;
- struct type *elttype;
- struct type *range_type = TYPE_FIELD_TYPE (type, 0);
- struct type *index_type = TYPE_TARGET_TYPE (range_type);
- unsigned eltlen;
- /* Position of the array element we are examining to see
- whether it is repeated. */
- unsigned int rep1;
- /* Number of repetitions we have detected so far. */
- unsigned int reps;
- 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;
-
- annotate_array_section_begin (i, elttype);
-
- for (; i < len && things_printed < print_max; i++)
- {
- if (i != 0)
- {
- if (prettyprint_arrays)
- {
- fprintf_filtered (stream, ",\n");
- print_spaces_filtered (2 + 2 * recurse, stream);
- }
- else
- {
- fprintf_filtered (stream, ", ");
- }
- }
- wrap_here (n_spaces (2 + 2 * recurse));
-
- rep1 = i + 1;
- reps = 1;
- while ((rep1 < len) &&
- !memcmp (valaddr + i * eltlen, valaddr + rep1 * eltlen, eltlen))
- {
- ++reps;
- ++rep1;
- }
-
- fputs_filtered ("(", stream);
- chill_print_type_scalar (index_type, low_bound + i, stream);
- if (reps > 1)
- {
- fputs_filtered (":", stream);
- chill_print_type_scalar (index_type, low_bound + i + reps - 1,
- stream);
- fputs_filtered ("): ", stream);
- val_print (elttype, valaddr + i * eltlen, 0, 0, stream, format,
- deref_ref, recurse + 1, pretty);
-
- i = rep1 - 1;
- things_printed += 1;
- }
- else
- {
- fputs_filtered ("): ", stream);
- val_print (elttype, valaddr + i * eltlen, 0, 0, stream, format,
- deref_ref, recurse + 1, pretty);
- annotate_elt ();
- things_printed++;
- }
- }
- annotate_array_section_end ();
- if (i < len)
- {
- fprintf_filtered (stream, "...");
- }
-}
-
-/* Print data of type TYPE located at VALADDR (within GDB), which came from
- the inferior at address ADDRESS, onto stdio stream STREAM according to
- FORMAT (a letter or 0 for natural format). The data at VALADDR is in
- target byte order.
-
- If the data are a string pointer, returns the number of string characters
- printed.
-
- If DEREF_REF is nonzero, then dereference references, otherwise just print
- them like pointers.
-
- The PRETTY parameter controls prettyprinting. */
-
-int
-chill_val_print (type, valaddr, embedded_offset, address,
- stream, format, deref_ref, recurse, pretty)
- struct type *type;
- char *valaddr;
- int embedded_offset;
- CORE_ADDR address;
- GDB_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:
- if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0)
- {
- if (prettyprint_arrays)
- {
- print_spaces_filtered (2 + 2 * recurse, stream);
- }
- fprintf_filtered (stream, "[");
- chill_val_print_array_elements (type, valaddr, address, stream,
- format, deref_ref, recurse, pretty);
- fprintf_filtered (stream, "]");
- }
- else
- {
- error ("unimplemented in chill_val_print; unspecified array length");
- }
- break;
-
- case TYPE_CODE_INT:
- format = format ? format : output_format;
- if (format)
- {
- print_scalar_formatted (valaddr, type, format, 0, stream);
- }
- else
- {
- val_print_type_code_int (type, valaddr, stream);
- }
- break;
-
- case TYPE_CODE_CHAR:
- format = format ? format : output_format;
- if (format)
- {
- print_scalar_formatted (valaddr, type, format, 0, stream);
- }
- else
- {
- LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr),
- stream);
- }
- break;
-
- case TYPE_CODE_FLT:
- if (format)
- {
- print_scalar_formatted (valaddr, type, format, 0, stream);
- }
- else
- {
- print_floating (valaddr, type, stream);
- }
- break;
-
- case TYPE_CODE_BOOL:
- format = format ? format : output_format;
- if (format)
- {
- print_scalar_formatted (valaddr, type, format, 0, stream);
- }
- else
- {
- /* FIXME: Why is this using builtin_type_chill_bool not type? */
- val = unpack_long (builtin_type_chill_bool, valaddr);
- fprintf_filtered (stream, val ? "TRUE" : "FALSE");
- }
- break;
-
- 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. */
- fprintf_filtered (stream, "<incomplete type>");
- break;
-
- case TYPE_CODE_PTR:
- if (format && format != 's')
- {
- print_scalar_formatted (valaddr, type, format, 0, stream);
- break;
- }
- addr = unpack_pointer (type, valaddr);
- 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_demangle (addr, stream, demangle);
- /* Return value is irrelevant except for string pointers. */
- return (0);
- }
- if (addressprint && format != 's')
- {
- print_address_numeric (addr, 1, stream);
- }
-
- /* For a pointer to char or unsigned char, also print the string
- 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. */
- print_max < UINT_MAX)
- 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". */
- return (i + (print_max && i != print_max));
- break;
-
- case TYPE_CODE_STRING:
- i = TYPE_LENGTH (type);
- 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". */
- return (i + (print_max && i != print_max));
- break;
-
- case TYPE_CODE_BITSTRING:
- case TYPE_CODE_SET:
- elttype = TYPE_INDEX_TYPE (type);
- CHECK_TYPEDEF (elttype);
- if (TYPE_FLAGS (elttype) & TYPE_FLAG_STUB)
- {
- fprintf_filtered (stream, "<incomplete type>");
- gdb_flush (stream);
- break;
- }
- {
- struct type *range = elttype;
- LONGEST low_bound, high_bound;
- int i;
- int is_bitstring = TYPE_CODE (type) == TYPE_CODE_BITSTRING;
- int need_comma = 0;
-
- if (is_bitstring)
- 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, (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))
- {
- int j = i; /* j is the upper bound so far of the range */
- fputs_filtered (":", stream);
- while (i+1 <= high_bound
- && value_bit_index (type, valaddr, ++i))
- j = i;
- chill_print_type_scalar (range, (LONGEST) j, stream);
- }
- }
- }
- done:
- if (is_bitstring)
- fputs_filtered ("'", stream);
- else
- fputs_filtered ("]", stream);
- }
- break;
-
- case TYPE_CODE_STRUCT:
- if (chill_varying_type (type))
- {
- 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) - 2)
- {
- fprintf_filtered (stream,
- "<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, 1, 0);
- return length;
- default:
- break;
- }
- }
- chill_print_value_fields (type, valaddr, stream, format, recurse, pretty,
- 0);
- break;
-
- case TYPE_CODE_REF:
- if (addressprint)
- {
- fprintf_filtered (stream, "LOC(");
- print_address_numeric
- (extract_address (valaddr, TARGET_PTR_BIT / HOST_CHAR_BIT),
- 1,
- stream);
- 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),
- NULL);
- val_print (VALUE_TYPE (deref_val),
- VALUE_CONTENTS (deref_val),
- 0,
- VALUE_ADDRESS (deref_val), stream, format,
- deref_ref, recurse + 1, pretty);
- }
- else
- fputs_filtered ("???", stream);
- }
- break;
-
- case TYPE_CODE_ENUM:
- 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, 0, address, stream,
- format, deref_ref, recurse, pretty);
- break;
-
- case TYPE_CODE_MEMBER:
- case TYPE_CODE_UNION:
- case TYPE_CODE_FUNC:
- case TYPE_CODE_VOID:
- 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, 0, address, stream, format,
- deref_ref, recurse, pretty);
- }
- gdb_flush (stream);
- return (0);
-}
-
-/* Mutually recursive subroutines of cplus_print_value and c_val_print to
- print out a structure's fields: cp_print_value_fields and cplus_print_value.
-
- TYPE, VALADDR, STREAM, RECURSE, and PRETTY have the
- same meanings as in cplus_print_value and c_val_print.
-
- DONT_PRINT is an array of baseclass types that we
- 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;
-{
- int i, len;
- int fields_seen = 0;
-
- CHECK_TYPEDEF (type);
-
- fprintf_filtered (stream, "[");
- len = TYPE_NFIELDS (type);
- if (len == 0)
- {
- fprintf_filtered (stream, "<No data fields>");
- }
- else
- {
- for (i = 0; i < len; i++)
- {
- if (fields_seen)
- {
- fprintf_filtered (stream, ", ");
- }
- fields_seen = 1;
- if (pretty)
- {
- fprintf_filtered (stream, "\n");
- print_spaces_filtered (2 + 2 * recurse, stream);
- }
- else
- {
- wrap_here (n_spaces (2 + 2 * recurse));
- }
- fputs_filtered (".", stream);
- fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
- language_chill, DMGL_NO_OPTS);
- fputs_filtered (": ", stream);
- if (TYPE_FIELD_PACKED (type, i))
- {
- value_ptr v;
-
- /* Bitfields require special handling, especially due to byte
- order problems. */
- v = value_from_longest (TYPE_FIELD_TYPE (type, i),
- unpack_field_as_long (type, valaddr, i));
-
- 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, 0,
- 0, stream, format, 0, recurse + 1, pretty);
- }
- }
- if (pretty)
- {
- fprintf_filtered (stream, "\n");
- print_spaces_filtered (2 * recurse, stream);
- }
- }
- fprintf_filtered (stream, "]");
-}
-
-int
-chill_value_print (val, stream, format, pretty)
- value_ptr val;
- GDB_FILE *stream;
- int format;
- enum val_prettyprint pretty;
-{
- struct type *type = VALUE_TYPE (val);
- struct type *real_type = check_typedef (type);
-
- /* If it is a pointer, indicate what it points to.
-
- Print type also if it is a reference. */
-
- 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)
- {
- 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, 0, VALUE_ADDRESS (val),
- stream, format, 1, 0, pretty);
- fprintf_filtered (stream, ")");
- return i;
- }
- }
- return (val_print (type, VALUE_CONTENTS (val), 0,
- VALUE_ADDRESS (val), stream, format, 1, 0, pretty));
-}
-
-