-/* Print values for GNU debugger gdb.
- Copyright (C) 1986, 1988, 1989 Free Software Foundation, Inc.
+/* Print values for GDB, the GNU debugger.
+ Copyright 1986, 1988, 1989, 1991 Free Software Foundation, Inc.
This file is part of GDB.
-GDB is free software; you can redistribute it and/or modify
+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 1, or (at your option)
-any later version.
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
-GDB is distributed in the hope that it will be useful,
+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 GDB; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-#include <stdio.h>
-#include <string.h>
#include "defs.h"
-#include "param.h"
+#include <string.h>
#include "symtab.h"
+#include "gdbtypes.h"
#include "value.h"
#include "gdbcore.h"
#include "gdbcmd.h"
#include "target.h"
#include "obstack.h"
+#include "language.h"
+#include "demangle.h"
#include <errno.h>
-extern int sys_nerr;
-extern char *sys_errlist[];
-extern void print_scalar_formatted(); /* printcmd.c */
-extern void print_address_demangle(); /* printcmd.c */
-extern int demangle; /* whether to print C++ syms raw or source-form */
+/* Prototypes for local functions */
+
+static void
+print_hex_chars PARAMS ((FILE *, unsigned char *, unsigned int));
+
+static void
+show_print PARAMS ((char *, int));
+
+static void
+set_print PARAMS ((char *, int));
+
+static void
+set_radix PARAMS ((char *, int, struct cmd_list_element *));
+
+static void
+set_output_radix PARAMS ((char *, int, struct cmd_list_element *));
+
+static void
+value_print_array_elements PARAMS ((value, FILE *, int, enum val_prettyprint));
/* Maximum number of chars to print for a string pointer value
or vector contents, or UINT_MAX for no limit. */
-static unsigned int print_max;
-
-static void type_print_varspec_suffix ();
-static void type_print_varspec_prefix ();
-static void type_print_base ();
-static void type_print_method_args ();
+unsigned int print_max;
/* Default input and output radixes, and output format letter. */
unsigned output_radix = 10;
int output_format = 0;
+/* Print repeat counts if there are more than this many repetitions of an
+ element in an array. Referenced by the low level language dependent
+ print routines. */
-char **unsigned_type_table;
-char **signed_type_table;
-char **float_type_table;
+unsigned int repeat_count_threshold = 10;
+int prettyprint_structs; /* Controls pretty printing of structures */
+int prettyprint_arrays; /* Controls pretty printing of arrays. */
-/* Print repeat counts if there are more than this
- many repetitions of an element in an array. */
-#define REPEAT_COUNT_THRESHOLD 10
-\f
-/* Print the character string STRING, printing at most LENGTH characters.
- Printing stops early if the number hits print_max; repeat counts
- are printed as appropriate. Print ellipses at the end if we
- had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. */
-
-void
-print_string (stream, string, length, force_ellipses)
- FILE *stream;
- char *string;
- unsigned int length;
- int force_ellipses;
-{
- register unsigned int i;
- unsigned int things_printed = 0;
- int in_quotes = 0;
- int need_comma = 0;
- extern int inspect_it;
-
- if (length == 0)
- {
- fputs_filtered ("\"\"", stdout);
- return;
- }
+/* If nonzero, causes unions inside structures or other unions to be
+ printed. */
- for (i = 0; i < length && things_printed < print_max; ++i)
- {
- /* Position of the character we are examining
- to see whether it is repeated. */
- unsigned int rep1;
- /* Number of repetitions we have detected so far. */
- unsigned int reps;
+int unionprint; /* Controls printing of nested unions. */
- QUIT;
+/* If nonzero, causes machine addresses to be printed in certain contexts. */
- if (need_comma)
- {
- fputs_filtered (", ", stream);
- need_comma = 0;
- }
+int addressprint; /* Controls printing of machine addresses */
- rep1 = i + 1;
- reps = 1;
- while (rep1 < length && string[rep1] == string[i])
- {
- ++rep1;
- ++reps;
- }
-
- if (reps > REPEAT_COUNT_THRESHOLD)
- {
- if (in_quotes)
- {
- if (inspect_it)
- fputs_filtered ("\\\", ", stream);
- else
- fputs_filtered ("\", ", stream);
- in_quotes = 0;
- }
- fputs_filtered ("'", stream);
- printchar (string[i], stream, '\'');
- fprintf_filtered (stream, "' <repeats %u times>", reps);
- i = rep1 - 1;
- things_printed += REPEAT_COUNT_THRESHOLD;
- need_comma = 1;
- }
- else
- {
- if (!in_quotes)
- {
- if (inspect_it)
- fputs_filtered ("\\\"", stream);
- else
- fputs_filtered ("\"", stream);
- in_quotes = 1;
- }
- printchar (string[i], stream, '"');
- ++things_printed;
- }
- }
+\f
+/* 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.
- /* Terminate the quotes if necessary. */
- if (in_quotes)
- {
- if (inspect_it)
- fputs_filtered ("\\\"", stream);
- else
- fputs_filtered ("\"", stream);
- }
+ If the data are a string pointer, returns the number of
+ sting characters printed.
- if (force_ellipses || i < length)
- fputs_filtered ("...", stream);
-}
+ if DEREF_REF is nonzero, then dereference references,
+ otherwise just print them like pointers.
-/* Print a floating point value of type TYPE, pointed to in GDB by VALADDR,
- on STREAM. */
+ The PRETTY parameter controls prettyprinting. */
-void
-print_floating (valaddr, type, stream)
- char *valaddr;
+int
+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;
{
- double doub;
- int inv;
- unsigned len = TYPE_LENGTH (type);
+ if (pretty == Val_pretty_default)
+ {
+ pretty = prettyprint_structs ? Val_prettyprint : Val_no_prettyprint;
+ }
-#if defined (IEEE_FLOAT)
-
- /* Check for NaN's. Note that this code does not depend on us being
- on an IEEE conforming system. It only depends on the target
- machine using IEEE representation. This means (a)
- cross-debugging works right, and (2) IEEE_FLOAT can (and should)
- be defined for systems like the 68881, which uses IEEE
- representation, but is not IEEE conforming. */
-
- {
- long low, high;
- /* Is the sign bit 0? */
- int nonnegative;
- /* Is it is a NaN (i.e. the exponent is all ones and
- the fraction is nonzero)? */
- int is_nan;
-
- if (len == sizeof (float))
- {
- /* It's single precision. */
- bcopy (valaddr, &low, sizeof (low));
- /* target -> host. */
- SWAP_TARGET_AND_HOST (&low, sizeof (float));
- nonnegative = low >= 0;
- is_nan = ((((low >> 23) & 0xFF) == 0xFF)
- && 0 != (low & 0x7FFFFF));
- low &= 0x7fffff;
- high = 0;
- }
- else
- {
- /* It's double precision. Get the high and low words. */
-
-#if TARGET_BYTE_ORDER == BIG_ENDIAN
- bcopy (valaddr+4, &low, sizeof (low));
- bcopy (valaddr+0, &high, sizeof (high));
-#else
- bcopy (valaddr+0, &low, sizeof (low));
- bcopy (valaddr+4, &high, sizeof (high));
-#endif
- SWAP_TARGET_AND_HOST (&low, sizeof (low));
- SWAP_TARGET_AND_HOST (&high, sizeof (high));
- nonnegative = high >= 0;
- is_nan = (((high >> 20) & 0x7ff) == 0x7ff
- && ! ((((high & 0xfffff) == 0)) && (low == 0)));
- high &= 0xfffff;
- }
-
- if (is_nan)
- {
- /* The meaning of the sign and fraction is not defined by IEEE.
- But the user might know what they mean. For example, they
- (in an implementation-defined manner) distinguish between
- signaling and quiet NaN's. */
- if (high)
- fprintf_filtered (stream, "-NaN(0x%lx%.8lx)" + nonnegative,
- high, low);
- else
- fprintf_filtered (stream, "-NaN(0x%lx)" + nonnegative, low);
- return;
- }
- }
-#endif /* IEEE_FLOAT. */
+ QUIT;
- doub = unpack_double (type, valaddr, &inv);
- if (inv)
- fprintf_filtered (stream, "<invalid float value>");
- else
- fprintf_filtered (stream, len <= sizeof(float) ? "%.6g" : "%.17g", doub);
-}
+ /* Ensure that the type is complete and not just a stub. If the type is
+ only a stub and we can't find and substitute its complete type, then
+ print appropriate string and return. Typical types that my be stubs
+ are structs, unions, and C++ methods. */
-/* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */
-static void
-print_hex_chars (stream, valaddr, len)
- FILE *stream;
- unsigned char *valaddr;
- unsigned len;
-{
- unsigned char *p;
-
- fprintf_filtered (stream, "0x");
-#if TARGET_BYTE_ORDER == BIG_ENDIAN
- for (p = valaddr;
- p < valaddr + len;
- p++)
-#else /* Little endian. */
- for (p = valaddr + len - 1;
- p >= valaddr;
- p--)
-#endif
+ check_stub_type (type);
+ if (TYPE_FLAGS (type) & TYPE_FLAG_STUB)
{
- fprintf_filtered (stream, "%02x", *p);
+ fprintf_filtered (stream, "<incomplete type>");
+ fflush (stream);
+ return (0);
}
+
+ return (LA_VAL_PRINT (type, valaddr, address, stream, format, deref_ref,
+ recurse, pretty));
}
-\f
+
/* Print the value VAL in C-ish syntax on stream STREAM.
FORMAT is a format-letter, or 0 for print in natural format of data type.
If the object printed is a string pointer, returns
value_print (val, stream, format, pretty)
value val;
FILE *stream;
- char format;
+ int format;
enum val_prettyprint pretty;
{
- register unsigned int i, n, typelen;
+ register unsigned int n, typelen;
if (val == 0)
{
printf_filtered ("<value optimized out>");
return 0;
}
-
+
/* A "repeated" value really contains several values in a row.
They are made by the @ operator.
Print such values as if they were arrays. */
- else if (VALUE_REPEATED (val))
+ if (VALUE_REPEATED (val))
{
n = VALUE_REPETITIONS (val);
typelen = TYPE_LENGTH (VALUE_TYPE (val));
/* Print arrays of characters using string syntax. */
if (typelen == 1 && TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_INT
&& format == 0)
- print_string (stream, VALUE_CONTENTS (val), n, 0);
+ LA_PRINT_STRING (stream, VALUE_CONTENTS (val), n, 0);
else
{
- unsigned int things_printed = 0;
-
- for (i = 0; i < n && things_printed < print_max; i++)
- {
- /* 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;
-
- if (i != 0)
- fprintf_filtered (stream, ", ");
- wrap_here ("");
-
- rep1 = i + 1;
- reps = 1;
- while (rep1 < n
- && !bcmp (VALUE_CONTENTS (val) + typelen * i,
- VALUE_CONTENTS (val) + typelen * rep1, typelen))
- {
- ++reps;
- ++rep1;
- }
-
- if (reps > REPEAT_COUNT_THRESHOLD)
- {
- val_print (VALUE_TYPE (val),
- VALUE_CONTENTS (val) + typelen * i,
- VALUE_ADDRESS (val) + typelen * i,
- stream, format, 1, 0, pretty);
- fprintf (stream, " <repeats %u times>", reps);
- i = rep1 - 1;
- things_printed += REPEAT_COUNT_THRESHOLD;
- }
- else
- {
- val_print (VALUE_TYPE (val),
- VALUE_CONTENTS (val) + typelen * i,
- VALUE_ADDRESS (val) + typelen * i,
- stream, format, 1, 0, pretty);
- things_printed++;
- }
- }
- if (i < n)
- fprintf_filtered (stream, "...");
+ value_print_array_elements (val, stream, format, pretty);
}
fprintf_filtered (stream, "}");
- return n * typelen;
+ return (n * typelen);
}
else
{
+ struct type *type = VALUE_TYPE (val);
+
/* If it is a pointer, indicate what it points to.
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 (VALUE_TYPE (val)) == TYPE_CODE_PTR
- || TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_REF)
+ if (TYPE_CODE (type) == TYPE_CODE_PTR ||
+ TYPE_CODE (type) == TYPE_CODE_REF)
{
/* Hack: remove (char *) for char strings. Their
type is indicated by the quoted string anyway. */
- if (TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_PTR
- && TYPE_LENGTH (TYPE_TARGET_TYPE (VALUE_TYPE (val)))
- == sizeof(char)
- && TYPE_CODE (TYPE_TARGET_TYPE (VALUE_TYPE (val)))
- == TYPE_CODE_INT
- && !TYPE_UNSIGNED (TYPE_TARGET_TYPE (VALUE_TYPE (val))))
+ if (TYPE_CODE (type) == TYPE_CODE_PTR &&
+ TYPE_LENGTH (TYPE_TARGET_TYPE (type)) == sizeof(char) &&
+ TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_INT &&
+ !TYPE_UNSIGNED (TYPE_TARGET_TYPE (type)))
{
/* Print nothing */
}
else
{
fprintf_filtered (stream, "(");
- type_print (VALUE_TYPE (val), "", stream, -1);
+ type_print (type, "", stream, -1);
fprintf_filtered (stream, ") ");
}
}
- return val_print (VALUE_TYPE (val), VALUE_CONTENTS (val),
- VALUE_ADDRESS (val), stream, format, 1, 0, pretty);
- }
-}
-
-/* Return truth value for assertion that TYPE is of the type
- "pointer to virtual function". */
-static int
-is_vtbl_ptr_type(type)
- struct type *type;
-{
- char *typename = TYPE_NAME(type);
- static const char vtbl_ptr_name[] =
- { CPLUS_MARKER,'v','t','b','l','_','p','t','r','_','t','y','p','e' };
-
- return (typename != NULL && !strcmp(typename, vtbl_ptr_name));
-}
-
-/* Return truth value for the assertion that TYPE is of the type
- "pointer to virtual function table". */
-static int
-is_vtbl_member(type)
- struct type *type;
-{
- if (TYPE_CODE (type) == TYPE_CODE_PTR
- && TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_ARRAY
- && TYPE_CODE (TYPE_TARGET_TYPE (TYPE_TARGET_TYPE (type))) == TYPE_CODE_STRUCT)
- /* Virtual functions tables are full of pointers to virtual functions. */
- return is_vtbl_ptr_type (TYPE_TARGET_TYPE (TYPE_TARGET_TYPE (type)));
- return 0;
-}
-\f
-/* Define a mess of print controls. */
-
-int prettyprint; /* Controls pretty printing of structures */
-int vtblprint; /* Controls printing of vtbl's */
-int unionprint; /* Controls printing of nested unions. */
-int arrayprint; /* Controls pretty printing of arrays. */
-int addressprint; /* Controls pretty printing of addresses. */
-
-struct obstack dont_print_obstack;
-
-static void cplus_val_print ();
-
-/* Mutually recursive subroutines of cplus_val_print and val_print to print out
- a structure's fields: val_print_fields and cplus_val_print.
-
- TYPE, VALADDR, STREAM, RECURSE, and PRETTY have the
- same meanings as in cplus_val_print and val_print.
-
- DONT_PRINT is an array of baseclass types that we
- should not print, or zero if called from top level. */
-static void
-val_print_fields (type, valaddr, stream, format, recurse, pretty, dont_print)
- struct type *type;
- char *valaddr;
- FILE *stream;
- char format;
- int recurse;
- enum val_prettyprint pretty;
- struct type **dont_print;
-{
- int i, len, n_baseclasses;
-
- fprintf_filtered (stream, "{");
- len = TYPE_NFIELDS (type);
- n_baseclasses = TYPE_N_BASECLASSES (type);
-
- /* Print out baseclasses such that we don't print
- duplicates of virtual baseclasses. */
- if (n_baseclasses > 0)
- cplus_val_print (type, valaddr, stream, format, recurse+1, pretty, dont_print);
-
- if (!len && n_baseclasses == 1)
- fprintf_filtered (stream, "<No data fields>");
- else
- {
- extern int inspect_it;
- int fields_seen = 0;
-
- for (i = n_baseclasses; i < len; i++)
- {
- /* Check if static field */
- if (TYPE_FIELD_STATIC (type, i))
- continue;
- if (fields_seen)
- fprintf_filtered (stream, ", ");
- else if (n_baseclasses > 0)
- {
- fprintf_filtered (stream, "\n");
- print_spaces_filtered (2 + 2 * recurse, stream);
- fputs_filtered ("members of ", stream);
- fputs_filtered (type_name_no_tag (type), stream);
- fputs_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));
- }
- if (inspect_it)
- {
- if (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_PTR)
- fputs_filtered ("\"( ptr \"", stream);
- else
- fputs_filtered ("\"( nodef \"", stream);
- fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
- fputs_filtered ("\" \"", stream);
- fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
- fputs_filtered ("\") \"", stream);
- }
- else
- {
- fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
- fputs_filtered (" = ", stream);
- }
- if (TYPE_FIELD_PACKED (type, i))
- {
- LONGEST val;
- char *valp = (char *) & val;
-
- val = unpack_field_as_long (type, valaddr, i);
-
- /* Since we have moved the bitfield into a long,
- if it is declared with a smaller type, we need to
- offset its address *in gdb* to match the type we
- are passing to val_print. */
-#if HOST_BYTE_ORDER == BIG_ENDIAN
- valp += sizeof val - TYPE_LENGTH (TYPE_FIELD_TYPE (type, i));
-#endif
- val_print (TYPE_FIELD_TYPE (type, i), valp, 0,
- stream, format, 0, recurse + 1, pretty);
- }
- else
- {
- 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);
- }
+ return (val_print (type, VALUE_CONTENTS (val),
+ VALUE_ADDRESS (val), stream, format, 1, 0, pretty));
}
- fprintf_filtered (stream, "}");
}
-/* Special val_print routine to avoid printing multiple copies of virtual
- baseclasses. */
-
-static void
-cplus_val_print (type, valaddr, stream, format, recurse, pretty, dont_print)
- struct type *type;
- char *valaddr;
- FILE *stream;
- char format;
- int recurse;
- enum val_prettyprint pretty;
- struct type **dont_print;
-{
- struct obstack tmp_obstack;
- struct type **last_dont_print
- = (struct type **)obstack_next_free (&dont_print_obstack);
- int i, n_baseclasses = TYPE_N_BASECLASSES (type);
-
- if (dont_print == 0)
- {
- /* If we're at top level, carve out a completely fresh
- chunk of the obstack and use that until this particular
- invocation returns. */
- tmp_obstack = dont_print_obstack;
- /* Bump up the high-water mark. Now alpha is omega. */
- obstack_finish (&dont_print_obstack);
- }
-
- for (i = 0; i < n_baseclasses; i++)
- {
- char *baddr;
-
- if (BASETYPE_VIA_VIRTUAL (type, i))
- {
- struct type **first_dont_print
- = (struct type **)obstack_base (&dont_print_obstack);
-
- int j = (struct type **)obstack_next_free (&dont_print_obstack)
- - first_dont_print;
-
- while (--j >= 0)
- if (TYPE_BASECLASS (type, i) == first_dont_print[j])
- goto flush_it;
-
- obstack_ptr_grow (&dont_print_obstack, TYPE_BASECLASS (type, i));
- }
-
- baddr = baseclass_addr (type, i, valaddr, 0);
- if (baddr == 0)
- error ("could not find virtual baseclass `%s'\n",
- type_name_no_tag (TYPE_BASECLASS (type, i)));
-
- fprintf_filtered (stream, "\n");
- if (pretty)
- print_spaces_filtered (2 + 2 * recurse, stream);
- fputs_filtered ("<", stream);
- fputs_filtered (type_name_no_tag (TYPE_BASECLASS (type, i)), stream);
- fputs_filtered ("> = ", stream);
- val_print_fields (TYPE_BASECLASS (type, i), baddr, stream, format,
- recurse, pretty,
- (struct type **)obstack_base (&dont_print_obstack));
- flush_it:
- ;
- }
+/* Called by various <lang>_val_print routines to print TYPE_CODE_INT's */
- if (dont_print == 0)
- {
- /* Free the space used to deal with the printing
- of this type from top level. */
- obstack_free (&dont_print_obstack, last_dont_print);
- /* Reset watermark so that we can continue protecting
- ourselves from whatever we were protecting ourselves. */
- dont_print_obstack = tmp_obstack;
- }
-}
-
-/* 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
- sting characters printed.
-
- if DEREF_REF is nonzero, then dereference references,
- otherwise just print them like pointers.
-
- The PRETTY parameter controls prettyprinting. */
-
-int
-val_print (type, valaddr, address, stream, format,
- deref_ref, recurse, pretty)
+void
+val_print_type_code_int (type, valaddr, stream)
struct type *type;
char *valaddr;
- CORE_ADDR address;
FILE *stream;
- char format;
- int deref_ref;
- int recurse;
- enum val_prettyprint pretty;
{
- register unsigned int i;
- unsigned len;
- struct type *elttype;
- unsigned eltlen;
- LONGEST val;
- unsigned char c;
-
- if (pretty == Val_pretty_default)
- {
- pretty = prettyprint ? Val_prettyprint : Val_no_prettyprint;
- }
-
- QUIT;
+ char *p;
+ /* Pointer to first (i.e. lowest address) nonzero character. */
+ char *first_addr;
+ unsigned int len;
- check_stub_type (type);
-
- if (TYPE_FLAGS (type) & TYPE_FLAG_STUB)
+ if (TYPE_LENGTH (type) > sizeof (LONGEST))
{
- fprintf_filtered (stream, "<unknown struct>");
- fflush (stream);
- return 0;
- }
-
- switch (TYPE_CODE (type))
- {
- case TYPE_CODE_ARRAY:
- if (TYPE_LENGTH (type) >= 0
- && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0)
+ if (TYPE_UNSIGNED (type))
{
- elttype = TYPE_TARGET_TYPE (type);
- eltlen = TYPE_LENGTH (elttype);
- len = TYPE_LENGTH (type) / eltlen;
- if (arrayprint)
- print_spaces_filtered (2 + 2 * recurse, stream);
- fprintf_filtered (stream, "{");
- /* For an array of chars, print with string syntax. */
- if (eltlen == 1 && TYPE_CODE (elttype) == TYPE_CODE_INT
- && (format == 0 || format == 's') )
- print_string (stream, valaddr, len, 0);
- else
- {
- unsigned int things_printed = 0;
-
- for (i = 0; i < len && things_printed < print_max; i++)
- {
- /* 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;
-
- if (i != 0)
- if (arrayprint)
- {
- 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
- && !bcmp (valaddr + i * eltlen,
- valaddr + rep1 * eltlen, eltlen))
- {
- ++reps;
- ++rep1;
- }
-
- if (reps > REPEAT_COUNT_THRESHOLD)
- {
- val_print (elttype, valaddr + i * eltlen,
- 0, stream, format, deref_ref,
- recurse + 1, pretty);
- fprintf_filtered (stream, " <repeats %u times>", reps);
- i = rep1 - 1;
- things_printed += REPEAT_COUNT_THRESHOLD;
- }
- else
- {
- val_print (elttype, valaddr + i * eltlen,
- 0, stream, format, deref_ref,
- recurse + 1, pretty);
- things_printed++;
- }
- }
- if (i < len)
- fprintf_filtered (stream, "...");
- }
- fprintf_filtered (stream, "}");
- break;
- }
- /* Array of unspecified length: treat like pointer to first elt. */
- valaddr = (char *) &address;
-
- case TYPE_CODE_PTR:
- if (format && format != 's')
- {
- print_scalar_formatted (valaddr, type, format, 0, stream);
- break;
- }
- if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_METHOD)
- {
- struct type *domain = TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type));
- struct fn_field *f;
- int j, len2;
- char *kind = "";
-
- val = unpack_long (builtin_type_int, valaddr);
- if (val < 128)
- {
- len = TYPE_NFN_FIELDS (domain);
- for (i = 0; i < len; i++)
- {
- f = TYPE_FN_FIELDLIST1 (domain, i);
- len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i);
-
- for (j = 0; j < len2; j++)
- {
- QUIT;
- if (TYPE_FN_FIELD_VOFFSET (f, j) == val)
- {
- kind = "virtual";
- goto common;
- }
- }
- }
- }
- else
+ /* First figure out whether the number in fact has zeros
+ in all its bytes more significant than least significant
+ sizeof (LONGEST) ones. */
+ len = TYPE_LENGTH (type);
+
+#if TARGET_BYTE_ORDER == BIG_ENDIAN
+ for (p = valaddr;
+ len > sizeof (LONGEST) && p < valaddr + TYPE_LENGTH (type);
+ p++)
+#else /* Little endian. */
+ first_addr = valaddr;
+ for (p = valaddr + TYPE_LENGTH (type);
+ len > sizeof (LONGEST) && p >= valaddr;
+ p--)
+#endif /* Little endian. */
{
- struct symbol *sym = find_pc_function ((CORE_ADDR) val);
- if (sym == 0)
- error ("invalid pointer to member function");
- len = TYPE_NFN_FIELDS (domain);
- for (i = 0; i < len; i++)
+ if (*p == 0)
{
- f = TYPE_FN_FIELDLIST1 (domain, i);
- len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i);
-
- for (j = 0; j < len2; j++)
- {
- QUIT;
- if (!strcmp (SYMBOL_NAME (sym), TYPE_FN_FIELD_PHYSNAME (f, j)))
- goto common;
- }
+ len--;
}
- }
- common:
- if (i < len)
- {
- fprintf_filtered (stream, "&");
- type_print_varspec_prefix (TYPE_FN_FIELD_TYPE (f, j), stream, 0, 0);
- fprintf (stream, kind);
- if (TYPE_FN_FIELD_PHYSNAME (f, j)[0] == '_'
- && TYPE_FN_FIELD_PHYSNAME (f, j)[1] == CPLUS_MARKER)
- type_print_method_args
- (TYPE_FN_FIELD_ARGS (f, j) + 1, "~",
- TYPE_FN_FIELDLIST_NAME (domain, i), 0, stream);
else
- type_print_method_args
- (TYPE_FN_FIELD_ARGS (f, j), "",
- TYPE_FN_FIELDLIST_NAME (domain, i), 0, stream);
- break;
- }
- fprintf_filtered (stream, "(");
- type_print (type, "", stream, -1);
- fprintf_filtered (stream, ") %d", (int) val >> 3);
- }
- else if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_MEMBER)
- {
- struct type *domain = TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type));
-
- /* VAL is a byte offset into the structure type DOMAIN.
- Find the name of the field for that offset and
- print it. */
- int extra = 0;
- int bits = 0;
- len = TYPE_NFIELDS (domain);
- /* @@ Make VAL into bit offset */
- val = unpack_long (builtin_type_int, valaddr) << 3;
- for (i = TYPE_N_BASECLASSES (domain); i < len; i++)
- {
- int bitpos = TYPE_FIELD_BITPOS (domain, i);
- QUIT;
- if (val == bitpos)
- break;
- if (val < bitpos && i != 0)
{
- /* Somehow pointing into a field. */
- i -= 1;
- extra = (val - TYPE_FIELD_BITPOS (domain, i));
- if (extra & 0x3)
- bits = 1;
- else
- extra >>= 3;
break;
}
}
- if (i < len)
- {
- fprintf_filtered (stream, "&");
- type_print_base (domain, stream, 0, 0);
- fprintf_filtered (stream, "::");
- fputs_filtered (TYPE_FIELD_NAME (domain, i), stream);
- if (extra)
- fprintf_filtered (stream, " + %d bytes", extra);
- if (bits)
- fprintf_filtered (stream, " (offset in bits)");
- break;
- }
- fprintf_filtered (stream, "%d", val >> 3);
- }
- else
- {
- CORE_ADDR addr = (CORE_ADDR) unpack_long (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, "0x%x", addr);
-
- /* For a pointer to char or unsigned char,
- also print the string pointed to, unless pointer is null. */
- i = 0; /* Number of characters printed. */
- if (TYPE_LENGTH (elttype) == 1
- && TYPE_CODE (elttype) == TYPE_CODE_INT
- && (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)
- {
- int first_addr_err = 0;
- int errcode = 0;
-
- /* Get first character. */
- errcode = target_read_memory (addr, (char *)&c, 1);
- if (errcode != 0)
- {
- /* First address out of bounds. */
- first_addr_err = 1;
- }
- else
- {
- /* A real string. */
- char *string = (char *) alloca (print_max);
-
- /* If the loop ends by us hitting print_max characters,
- we need to have elipses at the end. */
- int force_ellipses = 1;
-
- /* This loop always fetches print_max characters, even
- though print_string might want to print more or fewer
- (with repeated characters). This is so that
- we don't spend forever fetching if we print
- a long string consisting of the same character
- repeated. Also so we can do it all in one memory
- operation, which is faster. However, this will be
- slower if print_max is set high, e.g. if you set
- print_max to 1000, not only will it take a long
- time to fetch short strings, but if you are near
- the end of the address space, it might not work.
- FIXME. */
- QUIT;
- errcode = target_read_memory (addr, string, print_max);
- if (errcode != 0)
- force_ellipses = 0;
- else
- for (i = 0; i < print_max; i++)
- if (string[i] == '\0')
- {
- force_ellipses = 0;
- break;
- }
- QUIT;
-
- if (addressprint)
- fputs_filtered (" ", stream);
- print_string (stream, string, i, force_ellipses);
- }
-
- if (errcode != 0)
- {
- if (errcode == EIO)
- {
- fprintf_filtered (stream,
- (" <Address 0x%x out of bounds>"
- + first_addr_err),
- addr + i);
- }
- else
- {
- if (errcode >= sys_nerr || errcode < 0)
- error ("Error reading memory address 0x%x: unknown error (%d).",
- addr + i, errcode);
- else
- error ("Error reading memory address 0x%x: %s.",
- addr + i, sys_errlist[errcode]);
- }
- }
-
- fflush (stream);
- }
- else /* print vtbl's nicely */
- if (is_vtbl_member(type))
- {
- CORE_ADDR vt_address = (CORE_ADDR) unpack_long (type, valaddr);
-
- int vt_index = find_pc_misc_function (vt_address);
- if (vt_index >= 0
- && vt_address == misc_function_vector[vt_index].address)
- {
- fputs_filtered (" <", stream);
- fputs_demangled (misc_function_vector[vt_index].name,
- stream, 1);
- fputs_filtered (">", stream);
- }
- if (vtblprint)
- {
- value val;
-
- val = value_at (TYPE_TARGET_TYPE (type), vt_address);
- val_print (VALUE_TYPE (val), VALUE_CONTENTS (val),
- VALUE_ADDRESS (val), stream, format,
- deref_ref, recurse + 1, pretty);
- if (pretty)
- {
- fprintf_filtered (stream, "\n");
- print_spaces_filtered (2 + 2 * recurse, 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_MEMBER:
- error ("not implemented: member type in val_print");
- break;
-
- case TYPE_CODE_REF:
- if (addressprint)
- {
- fprintf_filtered (stream, "@0x%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 val = value_at (TYPE_TARGET_TYPE (type),
- (CORE_ADDR) unpack_long (builtin_type_int,
- valaddr));
- val_print (VALUE_TYPE (val), VALUE_CONTENTS (val),
- VALUE_ADDRESS (val), stream, format,
- deref_ref, recurse + 1, pretty);
- }
- else
- fputs_filtered ("???", stream);
- }
- break;
-
- case TYPE_CODE_UNION:
- if (recurse && !unionprint)
- {
- fprintf_filtered (stream, "{...}");
- break;
- }
- /* Fall through. */
- case TYPE_CODE_STRUCT:
- if (vtblprint && is_vtbl_ptr_type(type))
- {
- /* Print the unmangled name if desired. */
- print_address_demangle(*((int *) (valaddr + /* FIXME bytesex */
- TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8)),
- stream, demangle);
- break;
- }
- val_print_fields (type, valaddr, stream, format, recurse, pretty, 0);
- break;
-
- case TYPE_CODE_ENUM:
- if (format)
- {
- print_scalar_formatted (valaddr, type, format, 0, stream);
- break;
- }
- len = TYPE_NFIELDS (type);
- val = unpack_long (builtin_type_int, valaddr);
- for (i = 0; i < len; i++)
- {
- QUIT;
- if (val == TYPE_FIELD_BITPOS (type, i))
- break;
- }
- if (i < len)
- fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
- else
- fprintf_filtered (stream, "%d", (int) val);
- break;
-
- case TYPE_CODE_FUNC:
- if (format)
- {
- print_scalar_formatted (valaddr, type, format, 0, stream);
- break;
- }
- fprintf_filtered (stream, "{");
- type_print (type, "", stream, -1);
- fprintf_filtered (stream, "} ");
- if (addressprint)
- fprintf_filtered (stream, "0x%x", address);
- break;
-
- case TYPE_CODE_INT:
- if (format || output_format)
- {
- print_scalar_formatted (valaddr, type,
- format? format: output_format,
- 0, stream);
- break;
- }
- if (TYPE_LENGTH (type) > sizeof (LONGEST))
- {
- if (TYPE_UNSIGNED (type))
- {
- /* First figure out whether the number in fact has zeros
- in all its bytes more significant than least significant
- sizeof (LONGEST) ones. */
- char *p;
- /* Pointer to first (i.e. lowest address) nonzero character. */
- char *first_addr;
- unsigned len = TYPE_LENGTH (type);
-
-#if TARGET_BYTE_ORDER == BIG_ENDIAN
- for (p = valaddr;
- len > sizeof (LONGEST)
- && p < valaddr + TYPE_LENGTH (type);
- p++)
-#else /* Little endian. */
- first_addr = valaddr;
- for (p = valaddr + TYPE_LENGTH (type);
- len > sizeof (LONGEST) && p >= valaddr;
- p--)
-#endif /* Little endian. */
- {
- if (*p == 0)
- len--;
- else
- break;
- }
#if TARGET_BYTE_ORDER == BIG_ENDIAN
- first_addr = p;
+ first_addr = p;
#endif
-
- if (len <= sizeof (LONGEST))
- {
- /* We can print it in decimal. */
- fprintf_filtered
- (stream,
+ if (len <= sizeof (LONGEST))
+ {
+ /* We can print it in decimal. */
+ fprintf_filtered
+ (stream,
#if defined (LONG_LONG)
- "%llu",
+ "%llu",
#else
- "%lu",
+ "%lu",
#endif
- unpack_long (BUILTIN_TYPE_LONGEST, first_addr));
- }
- else
- {
- /* It is big, so print it in hex. */
- print_hex_chars (stream, (unsigned char *)first_addr, len);
- }
+ unpack_long (BUILTIN_TYPE_LONGEST, first_addr));
}
else
{
- /* Signed. One could assume two's complement (a reasonable
- assumption, I think) and do better than this. */
- print_hex_chars (stream, (unsigned char *)valaddr,
- TYPE_LENGTH (type));
+ /* It is big, so print it in hex. */
+ print_hex_chars (stream, (unsigned char *) first_addr, len);
}
- break;
- }
-#ifdef PRINT_TYPELESS_INTEGER
- PRINT_TYPELESS_INTEGER (stream, type, unpack_long (type, valaddr));
-#else
-#ifndef LONG_LONG
- fprintf_filtered (stream,
- TYPE_UNSIGNED (type) ? "%u" : "%d",
- unpack_long (type, valaddr));
-#else
- fprintf_filtered (stream,
- TYPE_UNSIGNED (type) ? "%llu" : "%lld",
- unpack_long (type, valaddr));
-#endif
-#endif
-
- if (TYPE_LENGTH (type) == 1)
- {
- fprintf_filtered (stream, " '");
- printchar ((unsigned char) unpack_long (type, valaddr),
- stream, '\'');
- fprintf_filtered (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_VOID:
- fprintf_filtered (stream, "void");
- 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, "<unknown struct>");
- break;
-
- case TYPE_CODE_ERROR:
- fprintf_filtered (stream, "?");
- break;
-
- default:
- error ("Invalid type code in symbol table.");
- }
- fflush (stream);
- return 0;
-}
-\f
-/* Print a description of a type TYPE
- in the form of a declaration of a variable named VARSTRING.
- (VARSTRING is demangled if necessary.)
- Output goes to STREAM (via stdio).
- If SHOW is positive, we show the contents of the outermost level
- of structure even if there is a type name that could be used instead.
- If SHOW is negative, we never show the details of elements' types. */
-
-void
-type_print (type, varstring, stream, show)
- struct type *type;
- char *varstring;
- FILE *stream;
- int show;
-{
- type_print_1 (type, varstring, stream, show, 0);
-}
-
-/* LEVEL is the depth to indent lines by. */
-
-void
-type_print_1 (type, varstring, stream, show, level)
- struct type *type;
- char *varstring;
- FILE *stream;
- int show;
- int level;
-{
- register enum type_code code;
- type_print_base (type, stream, show, level);
- code = TYPE_CODE (type);
- if ((varstring && *varstring)
- ||
- /* Need a space if going to print stars or brackets;
- but not if we will print just a type name. */
- ((show > 0 || TYPE_NAME (type) == 0)
- &&
- (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC
- || code == TYPE_CODE_METHOD
- || code == TYPE_CODE_ARRAY
- || code == TYPE_CODE_MEMBER
- || code == TYPE_CODE_REF)))
- fprintf_filtered (stream, " ");
- type_print_varspec_prefix (type, stream, show, 0);
- fputs_demangled (varstring, stream, -1); /* Print demangled name
- without arguments */
- type_print_varspec_suffix (type, stream, show, 0);
-}
-
-/* Print the method arguments ARGS to the file STREAM. */
-static void
-type_print_method_args (args, prefix, varstring, staticp, stream)
- struct type **args;
- char *prefix, *varstring;
- int staticp;
- FILE *stream;
-{
- int i;
-
- fputs_filtered (" ", stream);
- fputs_demangled (prefix, stream, 1);
- fputs_demangled (varstring, stream, 1);
- fputs_filtered (" (", stream);
- if (args && args[!staticp] && args[!staticp]->code != TYPE_CODE_VOID)
- {
- i = !staticp; /* skip the class variable */
- while (1)
- {
- type_print (args[i++], "", stream, 0);
- if (!args[i])
- {
- fprintf_filtered (stream, " ...");
- break;
- }
- else if (args[i]->code != TYPE_CODE_VOID)
- {
- fprintf_filtered (stream, ", ");
- }
- else break;
- }
- }
- fprintf_filtered (stream, ")");
-}
-
-/* If TYPE is a derived type, then print out derivation
- information. Print out all layers of the type heirarchy
- until we encounter one with multiple inheritance.
- At that point, print out that ply, and return. */
-static void
-type_print_derivation_info (stream, type)
- FILE *stream;
- struct type *type;
-{
- char *name;
- int i, n_baseclasses = TYPE_N_BASECLASSES (type);
- struct type *basetype = 0;
-
- while (type && n_baseclasses > 0)
- {
- /* Not actually sure about this one -- Bryan. */
- check_stub_type (type);
-
- fprintf_filtered (stream, ": ");
- for (i = 0; ;)
- {
- basetype = TYPE_BASECLASS (type, i);
- if (name = type_name_no_tag (basetype))
- {
- fprintf_filtered (stream, "%s%s ",
- BASETYPE_VIA_PUBLIC(type, i) ? "public" : "private",
- BASETYPE_VIA_VIRTUAL(type, i) ? " virtual" : "");
- fputs_filtered (name, stream);
- }
- i++;
- if (i >= n_baseclasses)
- break;
- fprintf_filtered (stream, ", ");
+ {
+ /* Signed. One could assume two's complement (a reasonable
+ assumption, I think) and do better than this. */
+ print_hex_chars (stream, (unsigned char *) valaddr,
+ TYPE_LENGTH (type));
}
-
- fprintf_filtered (stream, " ");
- if (n_baseclasses != 1)
- break;
- n_baseclasses = TYPE_N_BASECLASSES (basetype);
- type = basetype;
}
-}
-
-/* Print any asterisks or open-parentheses needed before the
- variable name (to describe its type).
+ else
+ {
+#ifdef PRINT_TYPELESS_INTEGER
+ PRINT_TYPELESS_INTEGER (stream, type, unpack_long (type, valaddr));
+#else
+ fprintf_filtered (stream, TYPE_UNSIGNED (type) ?
+#if defined (LONG_LONG)
+ "%llu" : "%lld",
+#else
+ "%u" : "%d",
+#endif
+ unpack_long (type, valaddr));
+#endif
+ }
+}
- On outermost call, pass 0 for PASSED_A_PTR.
- On outermost call, SHOW > 0 means should ignore
- any typename for TYPE and show its details.
- SHOW is always zero on recursive calls. */
+/* Print a floating point value of type TYPE, pointed to in GDB by VALADDR,
+ on STREAM. */
-static void
-type_print_varspec_prefix (type, stream, show, passed_a_ptr)
+void
+print_floating (valaddr, type, stream)
+ char *valaddr;
struct type *type;
FILE *stream;
- int show;
- int passed_a_ptr;
{
- if (type == 0)
- return;
-
- if (TYPE_NAME (type) && show <= 0)
- return;
-
- QUIT;
+ double doub;
+ int inv;
+ unsigned len = TYPE_LENGTH (type);
+
+#if defined (IEEE_FLOAT)
- switch (TYPE_CODE (type))
- {
- case TYPE_CODE_PTR:
- type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1);
- fprintf_filtered (stream, "*");
- break;
+ /* Check for NaN's. Note that this code does not depend on us being
+ on an IEEE conforming system. It only depends on the target
+ machine using IEEE representation. This means (a)
+ cross-debugging works right, and (2) IEEE_FLOAT can (and should)
+ be defined for systems like the 68881, which uses IEEE
+ representation, but is not IEEE conforming. */
- case TYPE_CODE_MEMBER:
- if (passed_a_ptr)
- fprintf_filtered (stream, "(");
- type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0,
- 0);
- fprintf_filtered (stream, " ");
- type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0,
- passed_a_ptr);
- fprintf_filtered (stream, "::");
- break;
+ {
+ long low, high;
+ /* Is the sign bit 0? */
+ int nonnegative;
+ /* Is it is a NaN (i.e. the exponent is all ones and
+ the fraction is nonzero)? */
+ int is_nan;
- case TYPE_CODE_METHOD:
- if (passed_a_ptr)
- fprintf (stream, "(");
- type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0,
- 0);
- fprintf_filtered (stream, " ");
- type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0,
- passed_a_ptr);
- fprintf_filtered (stream, "::");
- break;
+ if (len == sizeof (float))
+ {
+ /* It's single precision. */
+ memcpy ((char *) &low, valaddr, sizeof (low));
+ /* target -> host. */
+ SWAP_TARGET_AND_HOST (&low, sizeof (float));
+ nonnegative = low >= 0;
+ is_nan = ((((low >> 23) & 0xFF) == 0xFF)
+ && 0 != (low & 0x7FFFFF));
+ low &= 0x7fffff;
+ high = 0;
+ }
+ else
+ {
+ /* It's double precision. Get the high and low words. */
- case TYPE_CODE_REF:
- type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1);
- fprintf_filtered (stream, "&");
- break;
+#if TARGET_BYTE_ORDER == BIG_ENDIAN
+ memcpy (&low, valaddr+4, sizeof (low));
+ memcpy (&high, valaddr+0, sizeof (high));
+#else
+ memcpy (&low, valaddr+0, sizeof (low));
+ memcpy (&high, valaddr+4, sizeof (high));
+#endif
+ SWAP_TARGET_AND_HOST (&low, sizeof (low));
+ SWAP_TARGET_AND_HOST (&high, sizeof (high));
+ nonnegative = high >= 0;
+ is_nan = (((high >> 20) & 0x7ff) == 0x7ff
+ && ! ((((high & 0xfffff) == 0)) && (low == 0)));
+ high &= 0xfffff;
+ }
- case TYPE_CODE_FUNC:
- type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0,
- 0);
- if (passed_a_ptr)
- fprintf_filtered (stream, "(");
- break;
+ if (is_nan)
+ {
+ /* The meaning of the sign and fraction is not defined by IEEE.
+ But the user might know what they mean. For example, they
+ (in an implementation-defined manner) distinguish between
+ signaling and quiet NaN's. */
+ if (high)
+ fprintf_filtered (stream, "-NaN(0x%lx%.8lx)" + nonnegative,
+ high, low);
+ else
+ fprintf_filtered (stream, "-NaN(0x%lx)" + nonnegative, low);
+ return;
+ }
+ }
+#endif /* IEEE_FLOAT. */
- case TYPE_CODE_ARRAY:
- type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0,
- 0);
- if (passed_a_ptr)
- fprintf_filtered (stream, "(");
-
- case TYPE_CODE_UNDEF:
- case TYPE_CODE_STRUCT:
- case TYPE_CODE_UNION:
- case TYPE_CODE_ENUM:
- case TYPE_CODE_INT:
- case TYPE_CODE_FLT:
- case TYPE_CODE_VOID:
- case TYPE_CODE_ERROR:
- /* These types need no prefix. They are listed here so that
- gcc -Wall will reveal any types that haven't been handled. */
- break;
- }
+ doub = unpack_double (type, valaddr, &inv);
+ if (inv)
+ fprintf_filtered (stream, "<invalid float value>");
+ else
+ fprintf_filtered (stream, len <= sizeof(float) ? "%.9g" : "%.17g", doub);
}
-/* Print any array sizes, function arguments or close parentheses
- needed after the variable name (to describe its type).
- Args work like type_print_varspec_prefix. */
+/* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */
static void
-type_print_varspec_suffix (type, stream, show, passed_a_ptr)
- struct type *type;
+print_hex_chars (stream, valaddr, len)
FILE *stream;
- int show;
- int passed_a_ptr;
+ unsigned char *valaddr;
+ unsigned len;
{
- if (type == 0)
- return;
-
- if (TYPE_NAME (type) && show <= 0)
- return;
-
- QUIT;
-
- switch (TYPE_CODE (type))
+ unsigned char *p;
+
+ fprintf_filtered (stream, "0x");
+#if TARGET_BYTE_ORDER == BIG_ENDIAN
+ for (p = valaddr;
+ p < valaddr + len;
+ p++)
+#else /* Little endian. */
+ for (p = valaddr + len - 1;
+ p >= valaddr;
+ p--)
+#endif
{
- case TYPE_CODE_ARRAY:
- if (passed_a_ptr)
- fprintf_filtered (stream, ")");
-
- fprintf_filtered (stream, "[");
- if (TYPE_LENGTH (type) >= 0
- && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0)
- fprintf_filtered (stream, "%d",
- (TYPE_LENGTH (type)
- / TYPE_LENGTH (TYPE_TARGET_TYPE (type))));
- fprintf_filtered (stream, "]");
-
- type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0,
- 0);
- break;
-
- case TYPE_CODE_MEMBER:
- if (passed_a_ptr)
- fprintf_filtered (stream, ")");
- type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0);
- break;
-
- case TYPE_CODE_METHOD:
- if (passed_a_ptr)
- fprintf_filtered (stream, ")");
- type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0);
- if (passed_a_ptr)
- {
- int i;
- struct type **args = TYPE_ARG_TYPES (type);
-
- fprintf_filtered (stream, "(");
- if (args[1] == 0)
- fprintf_filtered (stream, "...");
- else for (i = 1; args[i] != 0 && args[i]->code != TYPE_CODE_VOID; i++)
- {
- type_print_1 (args[i], "", stream, -1, 0);
- if (args[i+1] == 0)
- fprintf_filtered (stream, "...");
- else if (args[i+1]->code != TYPE_CODE_VOID)
- fprintf_filtered (stream, ",");
- }
- fprintf_filtered (stream, ")");
- }
- break;
-
- case TYPE_CODE_PTR:
- case TYPE_CODE_REF:
- type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1);
- break;
-
- case TYPE_CODE_FUNC:
- type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0,
- passed_a_ptr);
- if (passed_a_ptr)
- fprintf_filtered (stream, ")");
- fprintf_filtered (stream, "()");
- break;
-
- case TYPE_CODE_UNDEF:
- case TYPE_CODE_STRUCT:
- case TYPE_CODE_UNION:
- case TYPE_CODE_ENUM:
- case TYPE_CODE_INT:
- case TYPE_CODE_FLT:
- case TYPE_CODE_VOID:
- case TYPE_CODE_ERROR:
- /* These types do not need a suffix. They are listed so that
- gcc -Wall will report types that may not have been considered. */
- break;
+ fprintf_filtered (stream, "%02x", *p);
}
}
-/* Print the name of the type (or the ultimate pointer target,
- function value or array element), or the description of a
- structure or union.
-
- SHOW nonzero means don't print this type as just its name;
- show its real definition even if it has a name.
- SHOW zero means print just typename or struct tag if there is one
- SHOW negative means abbreviate structure elements.
- SHOW is decremented for printing of structure elements.
+/* Called by various <lang>_val_print routines to print elements of an
+ array in the form "<elem1>, <elem2>, <elem3>, ...".
- LEVEL is the depth to indent by.
- We increase it for some recursive calls. */
+ (FIXME?) Assumes array element separator is a comma, which is correct
+ for all languages currently handled.
+ (FIXME?) Some languages have a notation for repeated array elements,
+ perhaps we should try to use that notation when appropriate.
+ */
-static void
-type_print_base (type, stream, show, level)
+void
+val_print_array_elements (type, valaddr, address, stream, format, deref_ref,
+ recurse, pretty, i)
struct type *type;
+ char *valaddr;
+ CORE_ADDR address;
FILE *stream;
- int show;
- int level;
+ int format;
+ int deref_ref;
+ int recurse;
+ enum val_prettyprint pretty;
+ unsigned int i;
{
- char *name;
- register int i;
- register int len;
- register int lastval;
-
- QUIT;
-
- if (type == 0)
- {
- fprintf_filtered (stream, "type unknown");
- return;
- }
-
- if (TYPE_NAME (type) && show <= 0)
- {
- fputs_filtered (TYPE_NAME (type), stream);
- return;
- }
-
- switch (TYPE_CODE (type))
+ unsigned int things_printed = 0;
+ unsigned len;
+ struct type *elttype;
+ 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;
+
+ elttype = TYPE_TARGET_TYPE (type);
+ eltlen = TYPE_LENGTH (elttype);
+ len = TYPE_LENGTH (type) / eltlen;
+
+ for (; i < len && things_printed < print_max; i++)
{
- case TYPE_CODE_ARRAY:
- case TYPE_CODE_PTR:
- case TYPE_CODE_MEMBER:
- case TYPE_CODE_REF:
- case TYPE_CODE_FUNC:
- case TYPE_CODE_METHOD:
- type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
- break;
-
- case TYPE_CODE_STRUCT:
- fprintf_filtered (stream, "struct ");
- goto struct_union;
-
- case TYPE_CODE_UNION:
- fprintf_filtered (stream, "union ");
- struct_union:
- if (name = type_name_no_tag (type))
- {
- fputs_filtered (name, stream);
- fputs_filtered (" ", stream);
- }
- if (show < 0)
- fprintf_filtered (stream, "{...}");
- else
+ if (i != 0)
{
- check_stub_type (type);
-
- type_print_derivation_info (stream, type);
-
- fprintf_filtered (stream, "{");
- len = TYPE_NFIELDS (type);
- if (len)
- fprintf_filtered (stream, "\n");
- else
- {
- if (TYPE_FLAGS (type) & TYPE_FLAG_STUB)
- fprintf_filtered (stream, "<incomplete type>\n");
- else
- fprintf_filtered (stream, "<no data fields>\n");
- }
-
- /* If there is a base class for this type,
- do not print the field that it occupies. */
- for (i = TYPE_N_BASECLASSES (type); i < len; i++)
+ if (prettyprint_arrays)
{
- QUIT;
- /* Don't print out virtual function table. */
- if ((TYPE_FIELD_NAME (type, i))[5] == CPLUS_MARKER &&
- !strncmp (TYPE_FIELD_NAME (type, i), "_vptr", 5))
- continue;
-
- print_spaces_filtered (level + 4, stream);
- if (TYPE_FIELD_STATIC (type, i))
- {
- fprintf_filtered (stream, "static ");
- }
- type_print_1 (TYPE_FIELD_TYPE (type, i),
- TYPE_FIELD_NAME (type, i),
- stream, show - 1, level + 4);
- if (!TYPE_FIELD_STATIC (type, i)
- && TYPE_FIELD_PACKED (type, i))
- {
- /* It is a bitfield. This code does not attempt
- to look at the bitpos and reconstruct filler,
- unnamed fields. This would lead to misleading
- results if the compiler does not put out fields
- for such things (I don't know what it does). */
- fprintf_filtered (stream, " : %d",
- TYPE_FIELD_BITSIZE (type, i));
- }
- fprintf_filtered (stream, ";\n");
+ fprintf_filtered (stream, ",\n");
+ print_spaces_filtered (2 + 2 * recurse, stream);
}
-
- /* C++: print out the methods */
- len = TYPE_NFN_FIELDS (type);
- if (len) fprintf_filtered (stream, "\n");
- for (i = 0; i < len; i++)
+ else
{
- struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i);
- int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i);
-
- for (j = 0; j < len2; j++)
- {
- QUIT;
- print_spaces_filtered (level + 4, stream);
- if (TYPE_FN_FIELD_VIRTUAL_P (f, j))
- fprintf_filtered (stream, "virtual ");
- else if (TYPE_FN_FIELD_STATIC_P (f, j))
- fprintf_filtered (stream, "static ");
- type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)), "", stream, 0);
- if (TYPE_FLAGS (TYPE_FN_FIELD_TYPE (f, j)) & TYPE_FLAG_STUB)
- {
- /* Build something we can demangle. */
- char *strchr (), *gdb_mangle_typename ();
- char *inner_name = gdb_mangle_typename (type);
- char *mangled_name
- = (char *)xmalloc (strlen (TYPE_FN_FIELDLIST_NAME (type, i))
- + strlen (inner_name)
- + strlen (TYPE_FN_FIELD_PHYSNAME (f, j))
- + 1);
- char *demangled_name, *cplus_demangle ();
- strcpy (mangled_name, TYPE_FN_FIELDLIST_NAME (type, i));
- strcat (mangled_name, inner_name);
- strcat (mangled_name, TYPE_FN_FIELD_PHYSNAME (f, j));
- demangled_name = cplus_demangle (mangled_name, 1);
- if (demangled_name == 0)
- fprintf_filtered (stream, " <badly mangled name %s>",
- mangled_name);
- else
- {
- fprintf_filtered (stream, " %s",
- strchr (demangled_name, ':') + 2);
- free (demangled_name);
- }
- free (mangled_name);
- }
- else if (TYPE_FN_FIELD_PHYSNAME (f, j)[0] == '_'
- && TYPE_FN_FIELD_PHYSNAME (f, j)[1] == CPLUS_MARKER)
- type_print_method_args
- (TYPE_FN_FIELD_ARGS (f, j) + 1, "~",
- TYPE_FN_FIELDLIST_NAME (type, i), 0, stream);
- else
- type_print_method_args
- (TYPE_FN_FIELD_ARGS (f, j), "",
- TYPE_FN_FIELDLIST_NAME (type, i),
- TYPE_FN_FIELD_STATIC_P (f, j), stream);
-
- fprintf_filtered (stream, ";\n");
- }
+ fprintf_filtered (stream, ", ");
}
-
- print_spaces_filtered (level, stream);
- fprintf_filtered (stream, "}");
}
- break;
-
- case TYPE_CODE_ENUM:
- fprintf_filtered (stream, "enum ");
- if (name = type_name_no_tag (type))
+ 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;
+ }
+
+ if (reps > repeat_count_threshold)
{
- fputs_filtered (name, stream);
- fputs_filtered (" ", stream);
+ val_print (elttype, valaddr + i * eltlen, 0, stream, format,
+ deref_ref, recurse + 1, pretty);
+ fprintf_filtered (stream, " <repeats %u times>", reps);
+ i = rep1 - 1;
+ things_printed += repeat_count_threshold;
}
- if (show < 0)
- fprintf_filtered (stream, "{...}");
else
{
- fprintf_filtered (stream, "{");
- len = TYPE_NFIELDS (type);
- lastval = 0;
- for (i = 0; i < len; i++)
- {
- QUIT;
- if (i) fprintf_filtered (stream, ", ");
- fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
- if (lastval != TYPE_FIELD_BITPOS (type, i))
- {
- fprintf_filtered (stream, " = %d", TYPE_FIELD_BITPOS (type, i));
- lastval = TYPE_FIELD_BITPOS (type, i);
- }
- lastval++;
- }
- fprintf_filtered (stream, "}");
+ val_print (elttype, valaddr + i * eltlen, 0, stream, format,
+ deref_ref, recurse + 1, pretty);
+ things_printed++;
}
- break;
+ }
+ if (i < len)
+ {
+ fprintf_filtered (stream, "...");
+ }
+}
- case TYPE_CODE_INT:
- if (TYPE_LENGTH (type) > sizeof (LONGEST))
+static void
+value_print_array_elements (val, stream, format, pretty)
+ value val;
+ FILE *stream;
+ int format;
+ enum val_prettyprint pretty;
+{
+ unsigned int things_printed = 0;
+ register unsigned int i, n, typelen;
+ /* Position of the array elem we are examining to see if it is repeated. */
+ unsigned int rep1;
+ /* Number of repetitions we have detected so far. */
+ unsigned int reps;
+
+ n = VALUE_REPETITIONS (val);
+ typelen = TYPE_LENGTH (VALUE_TYPE (val));
+ for (i = 0; i < n && things_printed < print_max; i++)
+ {
+ if (i != 0)
+ {
+ fprintf_filtered (stream, ", ");
+ }
+ wrap_here ("");
+
+ rep1 = i + 1;
+ reps = 1;
+ while (rep1 < n && !memcmp (VALUE_CONTENTS (val) + typelen * i,
+ VALUE_CONTENTS (val) + typelen * rep1,
+ typelen))
+ {
+ ++reps;
+ ++rep1;
+ }
+
+ if (reps > repeat_count_threshold)
{
- fprintf_filtered (stream, "<%d bit integer>",
- TYPE_LENGTH (type) * TARGET_CHAR_BIT);
+ val_print (VALUE_TYPE (val), VALUE_CONTENTS (val) + typelen * i,
+ VALUE_ADDRESS (val) + typelen * i, stream, format, 1,
+ 0, pretty);
+ fprintf (stream, " <repeats %u times>", reps);
+ i = rep1 - 1;
+ things_printed += repeat_count_threshold;
}
else
{
- if (TYPE_UNSIGNED (type))
- name = unsigned_type_table[TYPE_LENGTH (type)];
- else
- name = signed_type_table[TYPE_LENGTH (type)];
+ val_print (VALUE_TYPE (val), VALUE_CONTENTS (val) + typelen * i,
+ VALUE_ADDRESS (val) + typelen * i, stream, format, 1,
+ 0, pretty);
+ things_printed++;
}
- fputs_filtered (name, stream);
- break;
-
- case TYPE_CODE_FLT:
- name = float_type_table[TYPE_LENGTH (type)];
- fputs_filtered (name, stream);
- break;
-
- case TYPE_CODE_VOID:
- fprintf_filtered (stream, "void");
- break;
-
- case 0:
- fprintf_filtered (stream, "struct unknown");
- break;
-
- case TYPE_CODE_ERROR:
- fprintf_filtered (stream, "<unknown type>");
- break;
-
- default:
- error ("Invalid type code in symbol table.");
+ }
+ if (i < n)
+ {
+ fprintf_filtered (stream, "...");
}
}
+
\f
+#if 0
/* Validate an input or output radix setting, and make sure the user
knows what they really did here. Radix setting is confusing, e.g.
setting the input radix to "10" never changes it! */
+/* ARGSUSED */
static void
set_input_radix (args, from_tty, c)
char *args;
printf_filtered ("Input radix set to decimal %d, hex %x, octal %o\n",
radix, radix, radix);
}
+#endif
+/* ARGSUSED */
static void
set_output_radix (args, from_tty, c)
char *args;
set_output_radix (arg, 0, c);
}
\f
+/*ARGSUSED*/
+static void
+set_print (arg, from_tty)
+ char *arg;
+ int from_tty;
+{
+ printf (
+"\"set print\" must be followed by the name of a print subcommand.\n");
+ help_list (setprintlist, "set print ", -1, stdout);
+}
+
+/*ARGSUSED*/
+static void
+show_print (args, from_tty)
+ char *args;
+ int from_tty;
+{
+ cmd_show_list (showprintlist, from_tty, "");
+}
+\f
void
_initialize_valprint ()
{
struct cmd_list_element *c;
+ add_prefix_cmd ("print", no_class, set_print,
+ "Generic command for setting how things print.",
+ &setprintlist, "set print ", 0, &setlist);
+ add_alias_cmd ("p", "print", no_class, 1, &setlist);
+ add_alias_cmd ("pr", "print", no_class, 1, &setlist); /* prefer set print
+ to set prompt */
+ add_prefix_cmd ("print", no_class, show_print,
+ "Generic command for showing print settings.",
+ &showprintlist, "show print ", 0, &showlist);
+ add_alias_cmd ("p", "print", no_class, 1, &showlist);
+ add_alias_cmd ("pr", "print", no_class, 1, &showlist);
+
add_show_from_set
- (add_set_cmd ("array-max", class_vars, var_uinteger, (char *)&print_max,
+ (add_set_cmd ("elements", no_class, var_uinteger, (char *)&print_max,
"Set limit on string chars or array elements to print.\n\
-\"set array-max 0\" causes there to be no limit.",
- &setlist),
- &showlist);
+\"set print elements 0\" causes there to be no limit.",
+ &setprintlist),
+ &showprintlist);
add_show_from_set
- (add_set_cmd ("prettyprint", class_support, var_boolean, (char *)&prettyprint,
- "Set prettyprinting of structures.",
- &setlist),
- &showlist);
+ (add_set_cmd ("repeats", no_class, var_uinteger,
+ (char *)&repeat_count_threshold,
+ "Set threshold for repeated print elements.\n\
+\"set print repeats 0\" causes all elements to be individually printed.",
+ &setprintlist),
+ &showprintlist);
- add_alias_cmd ("pp", "prettyprint", class_support, 1, &setlist);
+ add_show_from_set
+ (add_set_cmd ("pretty", class_support, var_boolean,
+ (char *)&prettyprint_structs,
+ "Set prettyprinting of structures.",
+ &setprintlist),
+ &showprintlist);
add_show_from_set
- (add_set_cmd ("unionprint", class_support, var_boolean, (char *)&unionprint,
+ (add_set_cmd ("union", class_support, var_boolean, (char *)&unionprint,
"Set printing of unions interior to structures.",
- &setlist),
- &showlist);
+ &setprintlist),
+ &showprintlist);
add_show_from_set
- (add_set_cmd ("vtblprint", class_support, var_boolean, (char *)&vtblprint,
- "Set printing of C++ virtual function tables.",
- &setlist),
- &showlist);
-
- add_show_from_set
- (add_set_cmd ("arrayprint", class_support, var_boolean, (char *)&arrayprint,
+ (add_set_cmd ("array", class_support, var_boolean,
+ (char *)&prettyprint_arrays,
"Set prettyprinting of arrays.",
- &setlist),
- &showlist);
+ &setprintlist),
+ &showprintlist);
add_show_from_set
- (add_set_cmd ("addressprint", class_support, var_boolean, (char *)&addressprint,
+ (add_set_cmd ("address", class_support, var_boolean, (char *)&addressprint,
"Set printing of addresses.",
- &setlist),
- &showlist);
+ &setprintlist),
+ &showprintlist);
#if 0
/* The "show radix" cmd isn't good enough to show two separate values.
"Set default input and output number radix.",
&setlist);
add_show_from_set (c, &showlist);
- c->function = set_radix;
+ c->function.sfunc = set_radix;
/* Give people the defaults which they are used to. */
- prettyprint = 0;
+ prettyprint_structs = 0;
+ prettyprint_arrays = 0;
unionprint = 1;
- vtblprint = 0;
- arrayprint = 0;
addressprint = 1;
-
print_max = 200;
-
- unsigned_type_table
- = (char **) xmalloc ((1 + sizeof (unsigned LONGEST)) * sizeof (char *));
- bzero (unsigned_type_table, (1 + sizeof (unsigned LONGEST)));
- unsigned_type_table[sizeof (unsigned char)] = "unsigned char";
- unsigned_type_table[sizeof (unsigned short)] = "unsigned short";
- unsigned_type_table[sizeof (unsigned long)] = "unsigned long";
- unsigned_type_table[sizeof (unsigned int)] = "unsigned int";
-#ifdef LONG_LONG
- unsigned_type_table[sizeof (unsigned long long)] = "unsigned long long";
-#endif
-
- signed_type_table
- = (char **) xmalloc ((1 + sizeof (LONGEST)) * sizeof (char *));
- bzero (signed_type_table, (1 + sizeof (LONGEST)));
- signed_type_table[sizeof (char)] = "char";
- signed_type_table[sizeof (short)] = "short";
- signed_type_table[sizeof (long)] = "long";
- signed_type_table[sizeof (int)] = "int";
-#ifdef LONG_LONG
- signed_type_table[sizeof (long long)] = "long long";
-#endif
-
- float_type_table
- = (char **) xmalloc ((1 + sizeof (double)) * sizeof (char *));
- bzero (float_type_table, (1 + sizeof (double)));
- float_type_table[sizeof (float)] = "float";
- float_type_table[sizeof (double)] = "double";
- obstack_begin (&dont_print_obstack, 32 * sizeof (struct type *));
}
projects / binutils-gdb.git / blobdiff