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-rw-r--r--gnu/usr.bin/gdb/gdb/ch-valprint.c332
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diff --git a/gnu/usr.bin/gdb/gdb/ch-valprint.c b/gnu/usr.bin/gdb/gdb/ch-valprint.c
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--- /dev/null
+++ b/gnu/usr.bin/gdb/gdb/ch-valprint.c
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+/* Support for printing Chill values for GDB, the GNU debugger.
+ Copyright 1986, 1988, 1989, 1991 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., 675 Mass Ave, Cambridge, MA 02139, 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"
+
+static void
+chill_print_value_fields PARAMS ((struct type *, char *, FILE *, int, int,
+ enum val_prettyprint, struct type **));
+
+
+/* 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, address, stream, format, deref_ref, recurse,
+ pretty)
+ struct type *type;
+ char *valaddr;
+ CORE_ADDR address;
+ 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;
+
+ 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, "[");
+ val_print_array_elements (type, valaddr, address, stream, format,
+ deref_ref, recurse, pretty, 0);
+ 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
+ {
+ 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 = TYPE_TARGET_TYPE (type);
+
+ 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')
+ {
+ fprintf_filtered (stream, "H'%lx", (unsigned long) addr);
+ }
+
+ /* 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, 0, 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:
+ if (format && format != 's')
+ {
+ print_scalar_formatted (valaddr, type, format, 0, stream);
+ break;
+ }
+ if (addressprint && format != 's')
+ {
+ /* This used to say `addr', which is unset at this point.
+ Is `address' what is meant? */
+ fprintf_filtered (stream, "H'%lx ", (unsigned long) address);
+ }
+ i = TYPE_LENGTH (type);
+ LA_PRINT_STRING (stream, valaddr, i, 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_STRUCT:
+ chill_print_value_fields (type, valaddr, stream, format, recurse, pretty,
+ 0);
+ break;
+
+ case TYPE_CODE_REF:
+ if (addressprint)
+ {
+ fprintf_filtered (stream, "LOC(H'%lx)",
+ unpack_long (builtin_type_int, valaddr));
+ if (deref_ref)
+ fputs_filtered (": ", stream);
+ }
+ /* De-reference the reference. */
+ if (deref_ref)
+ {
+ if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_UNDEF)
+ {
+ value deref_val =
+ value_at
+ (TYPE_TARGET_TYPE (type),
+ unpack_pointer (lookup_pointer_type (builtin_type_void),
+ valaddr));
+ val_print (VALUE_TYPE (deref_val),
+ VALUE_CONTENTS (deref_val),
+ 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, 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:
+ case TYPE_CODE_RANGE:
+ default:
+ /* Let's derfer printing to the C printer, rather than
+ print an error message. FIXME! */
+ c_val_print (type, valaddr, address, stream, format,
+ deref_ref, recurse, pretty);
+ }
+ fflush (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;
+ 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);
+
+ 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 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,
+ stream, format, 0, recurse + 1, pretty);
+ }
+ else
+ {
+ chill_val_print (TYPE_FIELD_TYPE (type, i),
+ valaddr + TYPE_FIELD_BITPOS (type, i) / 8,
+ 0, stream, format, 0, recurse + 1, pretty);
+ }
+ }
+ if (pretty)
+ {
+ fprintf_filtered (stream, "\n");
+ print_spaces_filtered (2 * recurse, stream);
+ }
+ }
+ fprintf_filtered (stream, "]");
+}
+