/* Support for printing Fortran values for GDB, the GNU debugger.
- Copyright 1993, 1994 Free Software Foundation, Inc.
+
+ Copyright (C) 1993-2018 Free Software Foundation, Inc.
+
Contributed by Motorola. Adapted from the C definitions by Farooq Butt
(fmbutt@engage.sps.mot.com), additionally worked over by Stan Shebs.
-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 3 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, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "expression.h"
#include "value.h"
-#include "demangle.h"
#include "valprint.h"
#include "language.h"
-#include "f-lang.h"
+#include "f-lang.h"
#include "frame.h"
+#include "gdbcore.h"
+#include "command.h"
+#include "block.h"
+#include "dictionary.h"
-extern struct obstack dont_print_obstack;
-
-extern unsigned int print_max; /* No of array elements to print */
+static void f77_get_dynamic_length_of_aggregate (struct type *);
-int f77_array_offset_tbl[MAX_FORTRAN_DIMS+1][2];
+int f77_array_offset_tbl[MAX_FORTRAN_DIMS + 1][2];
/* Array which holds offsets to be applied to get a row's elements
- for a given array. Array also holds the size of each subarray. */
-
-/* The following macro gives us the size of the nth dimension, Where
- n is 1 based. */
-
-#define F77_DIM_SIZE(n) (f77_array_offset_tbl[n][1])
-
-/* The following gives us the offset for row n where n is 1-based. */
+ for a given array. Array also holds the size of each subarray. */
-#define F77_DIM_OFFSET(n) (f77_array_offset_tbl[n][0])
-
-int
-f77_get_dynamic_lowerbound (type, lower_bound)
- struct type *type;
- int *lower_bound;
+int
+f77_get_lowerbound (struct type *type)
{
- CORE_ADDR current_frame_addr;
- CORE_ADDR ptr_to_lower_bound;
-
- switch (TYPE_ARRAY_LOWER_BOUND_TYPE (type))
- {
- case BOUND_BY_VALUE_ON_STACK:
- current_frame_addr = selected_frame->frame;
- if (current_frame_addr > 0)
- {
- *lower_bound =
- read_memory_integer (current_frame_addr +
- TYPE_ARRAY_LOWER_BOUND_VALUE (type),4);
- }
- else
- {
- *lower_bound = DEFAULT_LOWER_BOUND;
- return BOUND_FETCH_ERROR;
- }
- break;
-
- case BOUND_SIMPLE:
- *lower_bound = TYPE_ARRAY_LOWER_BOUND_VALUE (type);
- break;
-
- case BOUND_CANNOT_BE_DETERMINED:
- error("Lower bound may not be '*' in F77");
- break;
-
- case BOUND_BY_REF_ON_STACK:
- current_frame_addr = selected_frame->frame;
- if (current_frame_addr > 0)
- {
- ptr_to_lower_bound =
- read_memory_integer (current_frame_addr +
- TYPE_ARRAY_LOWER_BOUND_VALUE (type),
- 4);
- *lower_bound = read_memory_integer(ptr_to_lower_bound);
- }
- else
- {
- *lower_bound = DEFAULT_LOWER_BOUND;
- return BOUND_FETCH_ERROR;
- }
- break;
-
- case BOUND_BY_REF_IN_REG:
- case BOUND_BY_VALUE_IN_REG:
- default:
- error ("??? unhandled dynamic array bound type ???");
- break;
- }
- return BOUND_FETCH_OK;
+ if (TYPE_ARRAY_LOWER_BOUND_IS_UNDEFINED (type))
+ error (_("Lower bound may not be '*' in F77"));
+
+ return TYPE_ARRAY_LOWER_BOUND_VALUE (type);
}
-int
-f77_get_dynamic_upperbound (type, upper_bound)
- struct type *type;
- int *upper_bound;
+int
+f77_get_upperbound (struct type *type)
{
- CORE_ADDR current_frame_addr = 0;
- CORE_ADDR ptr_to_upper_bound;
-
- switch (TYPE_ARRAY_UPPER_BOUND_TYPE (type))
+ if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type))
{
- case BOUND_BY_VALUE_ON_STACK:
- current_frame_addr = selected_frame->frame;
- if (current_frame_addr > 0)
- {
- *upper_bound =
- read_memory_integer (current_frame_addr +
- TYPE_ARRAY_UPPER_BOUND_VALUE (type),4);
- }
- else
- {
- *upper_bound = DEFAULT_UPPER_BOUND;
- return BOUND_FETCH_ERROR;
- }
- break;
-
- case BOUND_SIMPLE:
- *upper_bound = TYPE_ARRAY_UPPER_BOUND_VALUE (type);
- break;
-
- case BOUND_CANNOT_BE_DETERMINED:
- /* we have an assumed size array on our hands. Assume that
- upper_bound == lower_bound so that we show at least
- 1 element.If the user wants to see more elements, let
- him manually ask for 'em and we'll subscript the
- array and show him */
- f77_get_dynamic_lowerbound (type, &upper_bound);
- break;
-
- case BOUND_BY_REF_ON_STACK:
- current_frame_addr = selected_frame->frame;
- if (current_frame_addr > 0)
- {
- ptr_to_upper_bound =
- read_memory_integer (current_frame_addr +
- TYPE_ARRAY_UPPER_BOUND_VALUE (type),
- 4);
- *upper_bound = read_memory_integer(ptr_to_upper_bound);
- }
- else
- {
- *upper_bound = DEFAULT_UPPER_BOUND;
- return BOUND_FETCH_ERROR;
- }
- break;
-
- case BOUND_BY_REF_IN_REG:
- case BOUND_BY_VALUE_IN_REG:
- default:
- error ("??? unhandled dynamic array bound type ???");
- break;
+ /* We have an assumed size array on our hands. Assume that
+ upper_bound == lower_bound so that we show at least 1 element.
+ If the user wants to see more elements, let him manually ask for 'em
+ and we'll subscript the array and show him. */
+
+ return f77_get_lowerbound (type);
}
- return BOUND_FETCH_OK;
+
+ return TYPE_ARRAY_UPPER_BOUND_VALUE (type);
}
-/* Obtain F77 adjustable array dimensions */
+/* Obtain F77 adjustable array dimensions. */
-void
-f77_get_dynamic_length_of_aggregate (type)
- struct type *type;
+static void
+f77_get_dynamic_length_of_aggregate (struct type *type)
{
int upper_bound = -1;
- int lower_bound = 1;
- unsigned int current_total = 1;
- int retcode;
-
- /* Recursively go all the way down into a possibly
- multi-dimensional F77 array
- and get the bounds. For simple arrays, this is pretty easy
- but when the bounds are dynamic, we must be very careful
+ int lower_bound = 1;
+
+ /* Recursively go all the way down into a possibly multi-dimensional
+ F77 array and get the bounds. For simple arrays, this is pretty
+ easy but when the bounds are dynamic, we must be very careful
to add up all the lengths correctly. Not doing this right
will lead to horrendous-looking arrays in parameter lists.
-
+
This function also works for strings which behave very
- similarly to arrays. */
-
- if (TYPE_CODE(TYPE_TARGET_TYPE (type)) == TYPE_CODE_ARRAY
- || TYPE_CODE(TYPE_TARGET_TYPE (type)) == TYPE_CODE_STRING)
+ similarly to arrays. */
+
+ if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_ARRAY
+ || TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_STRING)
f77_get_dynamic_length_of_aggregate (TYPE_TARGET_TYPE (type));
-
- /* Recursion ends here, start setting up lengths. */
- retcode = f77_get_dynamic_lowerbound (type, &lower_bound);
- if (retcode == BOUND_FETCH_ERROR)
- error ("Cannot obtain valid array lower bound");
-
- retcode = f77_get_dynamic_upperbound (type, &upper_bound);
- if (retcode == BOUND_FETCH_ERROR)
- error ("Cannot obtain valid array upper bound");
-
- /* Patch in a valid length value. */
-
- TYPE_LENGTH (type) =
- (upper_bound - lower_bound + 1) * TYPE_LENGTH (TYPE_TARGET_TYPE (type));
-}
-/* Print a FORTRAN COMPLEX value of type TYPE, pointed to in GDB by VALADDR,
- on STREAM. which_complex indicates precision, which may be regular,
- *16, or *32 */
+ /* Recursion ends here, start setting up lengths. */
+ lower_bound = f77_get_lowerbound (type);
+ upper_bound = f77_get_upperbound (type);
-void
-f77_print_cmplx (valaddr, type, stream, which_complex)
- char *valaddr;
- struct type *type;
- FILE *stream;
- int which_complex;
-{
- float *f1,*f2;
- double *d1, *d2;
- int i;
-
- switch (which_complex)
- {
- case TARGET_COMPLEX_BIT:
- f1 = (float *) valaddr;
- f2 = (float *) (valaddr + sizeof(float));
- fprintf_filtered (stream, "(%.7e,%.7e)", *f1, *f2);
- break;
-
- case TARGET_DOUBLE_COMPLEX_BIT:
- d1 = (double *) valaddr;
- d2 = (double *) (valaddr + sizeof(double));
- fprintf_filtered (stream, "(%.16e,%.16e)", *d1, *d2);
- break;
-#if 0
- case TARGET_EXT_COMPLEX_BIT:
- fprintf_filtered (stream, "<complex*32 format unavailable, "
- "printing raw data>\n");
-
- fprintf_filtered (stream, "( [ ");
-
- for (i = 0;i<4;i++)
- fprintf_filtered (stream, "0x%x ",
- * ( (unsigned int *) valaddr+i));
-
- fprintf_filtered (stream, "],\n [ ");
-
- for (i=4;i<8;i++)
- fprintf_filtered (stream, "0x%x ",
- * ((unsigned int *) valaddr+i));
-
- fprintf_filtered (stream, "] )");
-
- break;
-#endif
- default:
- fprintf_filtered (stream, "<cannot handle complex of this type>");
- break;
- }
-}
-
-/* Function that sets up the array offset,size table for the array
- type "type". */
+ /* Patch in a valid length value. */
-void
-f77_create_arrayprint_offset_tbl (type, stream)
- struct type *type;
- FILE *stream;
-{
- struct type *tmp_type;
- int eltlen;
- int ndimen = 1;
- int upper, lower, retcode;
-
- tmp_type = type;
-
- while ((TYPE_CODE (tmp_type) == TYPE_CODE_ARRAY))
- {
- if (TYPE_ARRAY_UPPER_BOUND_TYPE (tmp_type) == BOUND_CANNOT_BE_DETERMINED)
- fprintf_filtered (stream, "<assumed size array> ");
-
- retcode = f77_get_dynamic_upperbound (tmp_type, &upper);
- if (retcode == BOUND_FETCH_ERROR)
- error ("Cannot obtain dynamic upper bound");
-
- retcode = f77_get_dynamic_lowerbound(tmp_type,&lower);
- if (retcode == BOUND_FETCH_ERROR)
- error("Cannot obtain dynamic lower bound");
-
- F77_DIM_SIZE (ndimen) = upper - lower + 1;
-
- if (ndimen == 1)
- F77_DIM_OFFSET (ndimen) = 1;
- else
- F77_DIM_OFFSET (ndimen) =
- F77_DIM_OFFSET (ndimen - 1) * F77_DIM_SIZE(ndimen - 1);
-
- tmp_type = TYPE_TARGET_TYPE (tmp_type);
- ndimen++;
- }
-
- eltlen = TYPE_LENGTH (tmp_type);
-
- /* Now we multiply eltlen by all the offsets, so that later we
- can print out array elements correctly. Up till now we
- know an offset to apply to get the item but we also
- have to know how much to add to get to the next item */
-
- tmp_type = type;
- ndimen = 1;
-
- while ((TYPE_CODE (tmp_type) == TYPE_CODE_ARRAY))
- {
- F77_DIM_OFFSET (ndimen) *= eltlen;
- ndimen++;
- tmp_type = TYPE_TARGET_TYPE (tmp_type);
- }
+ TYPE_LENGTH (type) =
+ (upper_bound - lower_bound + 1)
+ * TYPE_LENGTH (check_typedef (TYPE_TARGET_TYPE (type)));
}
/* Actual function which prints out F77 arrays, Valaddr == address in
the superior. Address == the address in the inferior. */
-void
-f77_print_array_1 (nss, ndimensions, type, valaddr, address,
- stream, format, deref_ref, recurse, pretty)
- int nss;
- int ndimensions;
- char *valaddr;
- struct type *type;
- CORE_ADDR address;
- FILE *stream;
- int format;
- int deref_ref;
- int recurse;
- enum val_prettyprint pretty;
+static void
+f77_print_array_1 (int nss, int ndimensions, struct type *type,
+ const gdb_byte *valaddr,
+ int embedded_offset, CORE_ADDR address,
+ struct ui_file *stream, int recurse,
+ const struct value *val,
+ const struct value_print_options *options,
+ int *elts)
{
+ struct type *range_type = TYPE_INDEX_TYPE (check_typedef (type));
+ CORE_ADDR addr = address + embedded_offset;
+ LONGEST lowerbound, upperbound;
int i;
-
+
+ get_discrete_bounds (range_type, &lowerbound, &upperbound);
+
if (nss != ndimensions)
{
- for (i = 0; i< F77_DIM_SIZE(nss); i++)
+ size_t dim_size = TYPE_LENGTH (TYPE_TARGET_TYPE (type));
+ size_t offs = 0;
+
+ for (i = lowerbound;
+ (i < upperbound + 1 && (*elts) < options->print_max);
+ i++)
{
+ struct value *subarray = value_from_contents_and_address
+ (TYPE_TARGET_TYPE (type), value_contents_for_printing_const (val)
+ + offs, addr + offs);
+
fprintf_filtered (stream, "( ");
- f77_print_array_1 (nss + 1, ndimensions, TYPE_TARGET_TYPE (type),
- valaddr + i * F77_DIM_OFFSET (nss),
- address + i * F77_DIM_OFFSET (nss),
- stream, format, deref_ref, recurse, pretty, i);
+ f77_print_array_1 (nss + 1, ndimensions, value_type (subarray),
+ value_contents_for_printing (subarray),
+ value_embedded_offset (subarray),
+ value_address (subarray),
+ stream, recurse, subarray, options, elts);
+ offs += dim_size;
fprintf_filtered (stream, ") ");
}
+ if (*elts >= options->print_max && i < upperbound)
+ fprintf_filtered (stream, "...");
}
else
{
- for (i = 0; (i < F77_DIM_SIZE (nss) && i < print_max); i++)
+ for (i = lowerbound; i < upperbound + 1 && (*elts) < options->print_max;
+ i++, (*elts)++)
{
- val_print (TYPE_TARGET_TYPE (type),
- valaddr + i * F77_DIM_OFFSET (ndimensions),
- address + i * F77_DIM_OFFSET (ndimensions),
- stream, format, deref_ref, recurse, pretty);
-
- if (i != (F77_DIM_SIZE (nss) - 1))
- fprintf_filtered (stream, ", ");
-
- if (i == print_max - 1)
+ struct value *elt = value_subscript ((struct value *)val, i);
+
+ val_print (value_type (elt),
+ value_embedded_offset (elt),
+ value_address (elt), stream, recurse,
+ elt, options, current_language);
+
+ if (i != upperbound)
+ fprintf_filtered (stream, ", ");
+
+ if ((*elts == options->print_max - 1)
+ && (i != upperbound))
fprintf_filtered (stream, "...");
}
}
}
/* This function gets called to print an F77 array, we set up some
- stuff and then immediately call f77_print_array_1() */
-
-void
-f77_print_array (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;
+ stuff and then immediately call f77_print_array_1(). */
+
+static void
+f77_print_array (struct type *type, const gdb_byte *valaddr,
+ int embedded_offset,
+ CORE_ADDR address, struct ui_file *stream,
+ int recurse,
+ const struct value *val,
+ const struct value_print_options *options)
{
- int array_size_array[MAX_FORTRAN_DIMS+1];
- int ndimensions;
-
- ndimensions = calc_f77_array_dims (type);
-
+ int ndimensions;
+ int elts = 0;
+
+ ndimensions = calc_f77_array_dims (type);
+
if (ndimensions > MAX_FORTRAN_DIMS || ndimensions < 0)
- error ("Type node corrupt! F77 arrays cannot have %d subscripts (%d Max)",
+ error (_("\
+Type node corrupt! F77 arrays cannot have %d subscripts (%d Max)"),
ndimensions, MAX_FORTRAN_DIMS);
-
- /* Since F77 arrays are stored column-major, we set up an
- offset table to get at the various row's elements. The
- offset table contains entries for both offset and subarray size. */
-
- f77_create_arrayprint_offset_tbl (type, stream);
-
- f77_print_array_1 (1, ndimensions, type, valaddr, address, stream, format,
- deref_ref, recurse, pretty);
-}
+ f77_print_array_1 (1, ndimensions, type, valaddr, embedded_offset,
+ address, stream, recurse, val, options, &elts);
+}
\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.
-
- 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
-f_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;
+/* Decorations for Fortran. */
+
+static const struct generic_val_print_decorations f_decorations =
{
- register unsigned int i = 0; /* Number of characters printed */
- unsigned len;
+ "(",
+ ",",
+ ")",
+ ".TRUE.",
+ ".FALSE.",
+ "VOID",
+ "{",
+ "}"
+};
+
+/* See val_print for a description of the various parameters of this
+ function; they are identical. */
+
+void
+f_val_print (struct type *type, int embedded_offset,
+ CORE_ADDR address, struct ui_file *stream, int recurse,
+ struct value *original_value,
+ const struct value_print_options *options)
+{
+ struct gdbarch *gdbarch = get_type_arch (type);
+ int printed_field = 0; /* Number of fields printed. */
struct type *elttype;
- unsigned eltlen;
- LONGEST val;
- struct internalvar *ivar;
- char *localstr;
- unsigned char c;
CORE_ADDR addr;
-
+ int index;
+ const gdb_byte *valaddr =value_contents_for_printing (original_value);
+
+ type = check_typedef (type);
switch (TYPE_CODE (type))
{
- case TYPE_CODE_LITERAL_STRING:
- /* It is trivial to print out F77 strings allocated in the
- superior process. The address field is actually a
- pointer to the bytes of the literal. For an internalvar,
- valaddr points to a ptr. which points to
- VALUE_LITERAL_DATA(value->internalvar->value)
- and for straight literals (i.e. of the form 'hello world'),
- valaddr points a ptr to VALUE_LITERAL_DATA(value). */
-
- /* First deref. valaddr */
-
- addr = * (CORE_ADDR *) valaddr;
-
- if (addr)
- {
- len = TYPE_LENGTH (type);
- localstr = alloca (len + 1);
- strncpy (localstr, addr, len);
- localstr[len] = '\0';
- fprintf_filtered (stream, "'%s'", localstr);
- }
- else
- fprintf_filtered (stream, "Unable to print literal F77 string");
- break;
-
- /* Strings are a little bit funny. They can be viewed as
- monolithic arrays that are dealt with as atomic data
- items. As such they are the only atomic data items whose
- contents are not located in the superior process. Instead
- instead of having the actual data, they contain pointers
- to addresses in the inferior where data is located. Thus
- instead of using valaddr, we use address. */
-
- case TYPE_CODE_STRING:
+ case TYPE_CODE_STRING:
f77_get_dynamic_length_of_aggregate (type);
- val_print_string (address, TYPE_LENGTH (type), stream);
+ LA_PRINT_STRING (stream, builtin_type (gdbarch)->builtin_char,
+ valaddr + embedded_offset,
+ TYPE_LENGTH (type), NULL, 0, options);
break;
-
+
case TYPE_CODE_ARRAY:
- fprintf_filtered (stream, "(");
- f77_print_array (type, valaddr, address, stream, format,
- deref_ref, recurse, pretty);
- fprintf_filtered (stream, ")");
+ if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_CHAR)
+ {
+ fprintf_filtered (stream, "(");
+ f77_print_array (type, valaddr, embedded_offset,
+ address, stream, recurse, original_value, options);
+ fprintf_filtered (stream, ")");
+ }
+ else
+ {
+ struct type *ch_type = TYPE_TARGET_TYPE (type);
+
+ f77_get_dynamic_length_of_aggregate (type);
+ LA_PRINT_STRING (stream, ch_type,
+ valaddr + embedded_offset,
+ TYPE_LENGTH (type) / TYPE_LENGTH (ch_type),
+ NULL, 0, options);
+ }
break;
-#if 0
- /* Array of unspecified length: treat like pointer to first elt. */
- valaddr = (char *) &address;
- /* FALL THROUGH */
-#endif
+
case TYPE_CODE_PTR:
- if (format && format != 's')
+ if (options->format && options->format != 's')
{
- print_scalar_formatted (valaddr, type, format, 0, stream);
+ val_print_scalar_formatted (type, embedded_offset,
+ original_value, options, 0, stream);
break;
}
else
{
- addr = unpack_pointer (type, valaddr);
- elttype = TYPE_TARGET_TYPE (type);
-
+ int want_space = 0;
+
+ addr = unpack_pointer (type, valaddr + embedded_offset);
+ elttype = check_typedef (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;
+ print_function_pointer_address (options, gdbarch, addr, stream);
+ return;
}
-
- if (addressprint && format != 's')
- fprintf_filtered (stream, "0x%x", addr);
-
+
+ if (options->symbol_print)
+ want_space = print_address_demangle (options, gdbarch, addr,
+ stream, demangle);
+ else if (options->addressprint && options->format != 's')
+ {
+ fputs_filtered (paddress (gdbarch, addr), stream);
+ want_space = 1;
+ }
+
/* 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_INT
- && (format == 0 || format == 's')
+ && (options->format == 0 || options->format == 's')
&& addr != 0)
- 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));
+ {
+ if (want_space)
+ fputs_filtered (" ", stream);
+ val_print_string (TYPE_TARGET_TYPE (type), NULL, addr, -1,
+ stream, options);
+ }
+ return;
}
break;
-
- case TYPE_CODE_FUNC:
- if (format)
+
+ case TYPE_CODE_INT:
+ if (options->format || options->output_format)
{
- print_scalar_formatted (valaddr, type, format, 0, stream);
- break;
+ struct value_print_options opts = *options;
+
+ opts.format = (options->format ? options->format
+ : options->output_format);
+ val_print_scalar_formatted (type, embedded_offset,
+ original_value, &opts, 0, stream);
}
- /* FIXME, we should consider, at least for ANSI C language, eliminating
- the distinction made between FUNCs and POINTERs to FUNCs. */
- fprintf_filtered (stream, "{");
- type_print (type, "", stream, -1);
- fprintf_filtered (stream, "} ");
- /* Try to print what function it points to, and its address. */
- print_address_demangle (address, stream, demangle);
- 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);
- /* C and C++ has no single byte int type, char is used instead.
- Since we don't know whether the value is really intended to
- be used as an integer or a character, print the character
- equivalent as well. */
- if (TYPE_LENGTH (type) == 1)
+ val_print_scalar_formatted (type, embedded_offset,
+ original_value, options, 0, stream);
+ break;
+
+ case TYPE_CODE_STRUCT:
+ case TYPE_CODE_UNION:
+ /* Starting from the Fortran 90 standard, Fortran supports derived
+ types. */
+ fprintf_filtered (stream, "( ");
+ for (index = 0; index < TYPE_NFIELDS (type); index++)
+ {
+ struct value *field = value_field
+ ((struct value *)original_value, index);
+
+ struct type *field_type = check_typedef (TYPE_FIELD_TYPE (type, index));
+
+
+ if (TYPE_CODE (field_type) != TYPE_CODE_FUNC)
{
- fputs_filtered (" ", stream);
- LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr),
- stream);
+ const char *field_name;
+
+ if (printed_field > 0)
+ fputs_filtered (", ", stream);
+
+ field_name = TYPE_FIELD_NAME (type, index);
+ if (field_name != NULL)
+ {
+ fputs_filtered (field_name, stream);
+ fputs_filtered (" = ", stream);
+ }
+
+ val_print (value_type (field),
+ value_embedded_offset (field),
+ value_address (field), stream, recurse + 1,
+ field, options, current_language);
+
+ ++printed_field;
}
- }
- break;
-
+ }
+ fprintf_filtered (stream, " )");
+ break;
+
+ case TYPE_CODE_REF:
+ case TYPE_CODE_FUNC:
+ case TYPE_CODE_FLAGS:
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_ERROR:
- fprintf_filtered (stream, "<error type>");
- break;
-
case TYPE_CODE_RANGE:
- /* FIXME, we should not ever have to print one of these yet. */
- fprintf_filtered (stream, "<range type>");
- break;
-
- case TYPE_CODE_BOOL:
- format = format ? format : output_format;
- if (format)
- print_scalar_formatted (valaddr, type, format, 0, stream);
- else
- {
- val = 0;
- switch (TYPE_LENGTH(type))
- {
- case 1:
- val = unpack_long (builtin_type_f_logical_s1, valaddr);
- break ;
-
- case 2:
- val = unpack_long (builtin_type_f_logical_s2, valaddr);
- break ;
-
- case 4:
- val = unpack_long (builtin_type_f_logical, valaddr);
- break ;
-
- default:
- error ("Logicals of length %d bytes not supported",
- TYPE_LENGTH (type));
-
- }
-
- if (val == 0)
- fprintf_filtered (stream, ".FALSE.");
- else
- if (val == 1)
- fprintf_filtered (stream, ".TRUE.");
- else
- /* Not a legitimate logical type, print as an integer. */
- {
- /* Bash the type code temporarily. */
- TYPE_CODE (type) = TYPE_CODE_INT;
- f_val_print (type, valaddr, address, stream, format,
- deref_ref, recurse, pretty);
- /* Restore the type code so later uses work as intended. */
- TYPE_CODE (type) = TYPE_CODE_BOOL;
- }
- }
- break;
-
- case TYPE_CODE_LITERAL_COMPLEX:
- /* We know that the literal complex is stored in the superior
- process not the inferior and that it is 16 bytes long.
- Just like the case above with a literal array, the
- bytes for the the literal complex number are stored
- at the address pointed to by valaddr */
-
- if (TYPE_LENGTH(type) == 32)
- error("Cannot currently print out complex*32 literals");
-
- /* First deref. valaddr */
-
- addr = * (CORE_ADDR *) valaddr;
-
- if (addr)
- {
- fprintf_filtered (stream, "(");
-
- if (TYPE_LENGTH(type) == 16)
- {
- fprintf_filtered (stream, "%.16f", * (double *) addr);
- fprintf_filtered (stream, ", %.16f", * (double *)
- (addr + sizeof(double)));
- }
- else
- {
- fprintf_filtered (stream, "%.8f", * (float *) addr);
- fprintf_filtered (stream, ", %.8f", * (float *)
- (addr + sizeof(float)));
- }
- fprintf_filtered (stream, ") ");
- }
- else
- fprintf_filtered (stream, "Unable to print literal F77 array");
- break;
-
- case TYPE_CODE_COMPLEX:
- switch (TYPE_LENGTH (type))
- {
- case 8:
- f77_print_cmplx (valaddr, type, stream, TARGET_COMPLEX_BIT);
- break;
-
- case 16:
- f77_print_cmplx(valaddr, type, stream, TARGET_DOUBLE_COMPLEX_BIT);
- break;
-#if 0
- case 32:
- f77_print_cmplx(valaddr, type, stream, TARGET_EXT_COMPLEX_BIT);
- break;
-#endif
- default:
- error ("Cannot print out complex*%d variables", TYPE_LENGTH(type));
- }
- 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_COMPLEX:
+ case TYPE_CODE_BOOL:
+ case TYPE_CODE_CHAR:
default:
- error ("Invalid F77 type code %d in symbol table.", TYPE_CODE (type));
+ generic_val_print (type, embedded_offset, address,
+ stream, recurse, original_value, options,
+ &f_decorations);
+ break;
}
- fflush (stream);
- return 0;
+ gdb_flush (stream);
}
-void
-list_all_visible_commons (funname)
- char *funname;
+static void
+info_common_command_for_block (const struct block *block, const char *comname,
+ int *any_printed)
{
- SAVED_F77_COMMON_PTR tmp;
-
- tmp = head_common_list;
-
- printf_filtered ("All COMMON blocks visible at this level:\n\n");
-
- while (tmp != NULL)
- {
- if (STREQ(tmp->owning_function,funname))
- printf_filtered ("%s\n", tmp->name);
-
- tmp = tmp->next;
- }
+ struct block_iterator iter;
+ struct symbol *sym;
+ struct value_print_options opts;
+
+ get_user_print_options (&opts);
+
+ ALL_BLOCK_SYMBOLS (block, iter, sym)
+ if (SYMBOL_DOMAIN (sym) == COMMON_BLOCK_DOMAIN)
+ {
+ const struct common_block *common = SYMBOL_VALUE_COMMON_BLOCK (sym);
+ size_t index;
+
+ gdb_assert (SYMBOL_CLASS (sym) == LOC_COMMON_BLOCK);
+
+ if (comname && (!SYMBOL_LINKAGE_NAME (sym)
+ || strcmp (comname, SYMBOL_LINKAGE_NAME (sym)) != 0))
+ continue;
+
+ if (*any_printed)
+ putchar_filtered ('\n');
+ else
+ *any_printed = 1;
+ if (SYMBOL_PRINT_NAME (sym))
+ printf_filtered (_("Contents of F77 COMMON block '%s':\n"),
+ SYMBOL_PRINT_NAME (sym));
+ else
+ printf_filtered (_("Contents of blank COMMON block:\n"));
+
+ for (index = 0; index < common->n_entries; index++)
+ {
+ struct value *val = NULL;
+
+ printf_filtered ("%s = ",
+ SYMBOL_PRINT_NAME (common->contents[index]));
+
+ TRY
+ {
+ val = value_of_variable (common->contents[index], block);
+ value_print (val, gdb_stdout, &opts);
+ }
+
+ CATCH (except, RETURN_MASK_ERROR)
+ {
+ printf_filtered ("<error reading variable: %s>", except.message);
+ }
+ END_CATCH
+
+ putchar_filtered ('\n');
+ }
+ }
}
/* This function is used to print out the values in a given COMMON
- block. It will always use the most local common block of the
- given name */
+ block. It will always use the most local common block of the
+ given name. */
-static void
-info_common_command (comname, from_tty)
- char *comname;
- int from_tty;
+static void
+info_common_command (const char *comname, int from_tty)
{
- SAVED_F77_COMMON_PTR the_common;
- COMMON_ENTRY_PTR entry;
struct frame_info *fi;
- register char *funname = 0;
- struct symbol *func;
- char *cmd;
-
+ const struct block *block;
+ int values_printed = 0;
+
/* We have been told to display the contents of F77 COMMON
block supposedly visible in this function. Let us
first make sure that it is visible and if so, let
- us display its contents */
-
- fi = selected_frame;
-
- if (fi == NULL)
- error ("No frame selected");
-
+ us display its contents. */
+
+ fi = get_selected_frame (_("No frame selected"));
+
/* The following is generally ripped off from stack.c's routine
- print_frame_info() */
-
- func = find_pc_function (fi->pc);
- if (func)
- {
- /* In certain pathological cases, the symtabs give the wrong
- function (when we are in the first function in a file which
- is compiled without debugging symbols, the previous function
- is compiled with debugging symbols, and the "foo.o" symbol
- that is supposed to tell us where the file with debugging symbols
- ends has been truncated by ar because it is longer than 15
- characters).
-
- So look in the minimal symbol tables as well, and if it comes
- up with a larger address for the function use that instead.
- I don't think this can ever cause any problems; there shouldn't
- be any minimal symbols in the middle of a function.
- FIXME: (Not necessarily true. What about text labels) */
-
- struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (fi->pc);
-
- if (msymbol != NULL
- && (SYMBOL_VALUE_ADDRESS (msymbol)
- > BLOCK_START (SYMBOL_BLOCK_VALUE (func))))
- funname = SYMBOL_NAME (msymbol);
- else
- funname = SYMBOL_NAME (func);
- }
- else
+ print_frame_info(). */
+
+ block = get_frame_block (fi, 0);
+ if (block == NULL)
{
- register struct minimal_symbol *msymbol =
- lookup_minimal_symbol_by_pc (fi->pc);
-
- if (msymbol != NULL)
- funname = SYMBOL_NAME (msymbol);
+ printf_filtered (_("No symbol table info available.\n"));
+ return;
}
-
- /* If comnname is NULL, we assume the user wishes to see the
- which COMMON blocks are visible here and then return */
-
- if (strlen (comname) == 0)
+
+ while (block)
{
- list_all_visible_commons (funname);
- return;
+ info_common_command_for_block (block, comname, &values_printed);
+ /* After handling the function's top-level block, stop. Don't
+ continue to its superblock, the block of per-file symbols. */
+ if (BLOCK_FUNCTION (block))
+ break;
+ block = BLOCK_SUPERBLOCK (block);
}
-
- the_common = find_common_for_function (comname,funname);
-
- if (the_common)
- {
- if (STREQ(comname,BLANK_COMMON_NAME_LOCAL))
- printf_filtered ("Contents of blank COMMON block:\n");
- else
- printf_filtered ("Contents of F77 COMMON block '%s':\n",comname);
-
- printf_filtered ("\n");
- entry = the_common->entries;
-
- while (entry != NULL)
- {
- printf_filtered ("%s = ",SYMBOL_NAME(entry->symbol));
- print_variable_value (entry->symbol,fi,stdout);
- printf_filtered ("\n");
- entry = entry->next;
- }
- }
- else
- printf_filtered ("Cannot locate the common block %s in function '%s'\n",
- comname, funname);
-}
-
-/* This function is used to determine whether there is a
- F77 common block visible at the current scope called 'comname'. */
-int
-there_is_a_visible_common_named (comname)
- char *comname;
-{
- SAVED_F77_COMMON_PTR the_common;
- COMMON_ENTRY_PTR entry;
- struct frame_info *fi;
- register char *funname = 0;
- struct symbol *func;
-
- if (comname == NULL)
- error ("Cannot deal with NULL common name!");
-
- fi = selected_frame;
-
- if (fi == NULL)
- error ("No frame selected");
-
- /* The following is generally ripped off from stack.c's routine
- print_frame_info() */
-
- func = find_pc_function (fi->pc);
- if (func)
+ if (!values_printed)
{
- /* In certain pathological cases, the symtabs give the wrong
- function (when we are in the first function in a file which
- is compiled without debugging symbols, the previous function
- is compiled with debugging symbols, and the "foo.o" symbol
- that is supposed to tell us where the file with debugging symbols
- ends has been truncated by ar because it is longer than 15
- characters).
-
- So look in the minimal symbol tables as well, and if it comes
- up with a larger address for the function use that instead.
- I don't think this can ever cause any problems; there shouldn't
- be any minimal symbols in the middle of a function.
- FIXME: (Not necessarily true. What about text labels) */
-
- struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (fi->pc);
-
- if (msymbol != NULL
- && (SYMBOL_VALUE_ADDRESS (msymbol)
- > BLOCK_START (SYMBOL_BLOCK_VALUE (func))))
- funname = SYMBOL_NAME (msymbol);
+ if (comname)
+ printf_filtered (_("No common block '%s'.\n"), comname);
else
- funname = SYMBOL_NAME (func);
- }
- else
- {
- register struct minimal_symbol *msymbol =
- lookup_minimal_symbol_by_pc (fi->pc);
-
- if (msymbol != NULL)
- funname = SYMBOL_NAME (msymbol);
+ printf_filtered (_("No common blocks.\n"));
}
-
- the_common = find_common_for_function (comname, funname);
-
- return (the_common ? 1 : 0);
}
void
-_initialize_f_valprint ()
+_initialize_f_valprint (void)
{
add_info ("common", info_common_command,
- "Print out the values contained in a Fortran COMMON block.");
+ _("Print out the values contained in a Fortran COMMON block."));
}