/* Support for printing Fortran values for GDB, the GNU debugger.
- Copyright 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2003, 2005 Free
- Software Foundation, Inc.
+ Copyright (C) 1993-2020 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 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
+ 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,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
-#include "gdb_string.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "expression.h"
#include "gdbcore.h"
#include "command.h"
#include "block.h"
+#include "dictionary.h"
+#include "cli/cli-style.h"
+#include "gdbarch.h"
-#if 0
-static int there_is_a_visible_common_named (char *);
-#endif
-
-extern void _initialize_f_valprint (void);
-static void info_common_command (char *, int);
-static void list_all_visible_commons (char *);
-static void f77_create_arrayprint_offset_tbl (struct type *,
- struct ui_file *);
static void f77_get_dynamic_length_of_aggregate (struct type *);
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])
+ for a given array. Array also holds the size of each subarray. */
-/* The following gives us the offset for row n where n is 1-based. */
-
-#define F77_DIM_OFFSET(n) (f77_array_offset_tbl[n][0])
-
-int
-f77_get_dynamic_lowerbound (struct type *type, int *lower_bound)
+LONGEST
+f77_get_lowerbound (struct type *type)
{
- CORE_ADDR current_frame_addr;
- CORE_ADDR ptr_to_lower_bound;
+ if (TYPE_ARRAY_LOWER_BOUND_IS_UNDEFINED (type))
+ error (_("Lower bound may not be '*' in F77"));
- switch (TYPE_ARRAY_LOWER_BOUND_TYPE (type))
- {
- case BOUND_BY_VALUE_ON_STACK:
- current_frame_addr = get_frame_base (deprecated_selected_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 = get_frame_base (deprecated_selected_frame);
- if (current_frame_addr > 0)
- {
- ptr_to_lower_bound =
- read_memory_typed_address (current_frame_addr +
- TYPE_ARRAY_LOWER_BOUND_VALUE (type),
- builtin_type_void_data_ptr);
- *lower_bound = read_memory_integer (ptr_to_lower_bound, 4);
- }
- 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;
+ return TYPE_ARRAY_LOWER_BOUND_VALUE (type);
}
-int
-f77_get_dynamic_upperbound (struct type *type, int *upper_bound)
+LONGEST
+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 = get_frame_base (deprecated_selected_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 = get_frame_base (deprecated_selected_frame);
- if (current_frame_addr > 0)
- {
- ptr_to_upper_bound =
- read_memory_typed_address (current_frame_addr +
- TYPE_ARRAY_UPPER_BOUND_VALUE (type),
- builtin_type_void_data_ptr);
- *upper_bound = read_memory_integer (ptr_to_upper_bound, 4);
- }
- else
- {
- *upper_bound = DEFAULT_UPPER_BOUND;
- return BOUND_FETCH_ERROR;
- }
- 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. */
- case BOUND_BY_REF_IN_REG:
- case BOUND_BY_VALUE_IN_REG:
- default:
- error (_("??? unhandled dynamic array bound type ???"));
- break;
+ 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. */
static void
f77_get_dynamic_length_of_aggregate (struct type *type)
{
int upper_bound = -1;
int lower_bound = 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
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"));
+ lower_bound = f77_get_lowerbound (type);
+ upper_bound = f77_get_upperbound (type);
- 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. */
+ /* Patch in a valid length value. */
TYPE_LENGTH (type) =
- (upper_bound - lower_bound + 1) * TYPE_LENGTH (check_typedef (TYPE_TARGET_TYPE (type)));
+ (upper_bound - lower_bound + 1)
+ * TYPE_LENGTH (check_typedef (TYPE_TARGET_TYPE (type)));
}
-/* Function that sets up the array offset,size table for the array
- type "type". */
-
-static void
-f77_create_arrayprint_offset_tbl (struct type *type, struct ui_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;
-
- tmp_type = TYPE_TARGET_TYPE (tmp_type);
- ndimen++;
- }
-
- /* 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 */
-
- ndimen--;
- eltlen = TYPE_LENGTH (tmp_type);
- F77_DIM_OFFSET (ndimen) = eltlen;
- while (--ndimen > 0)
- {
- eltlen *= F77_DIM_SIZE (ndimen + 1);
- F77_DIM_OFFSET (ndimen) = eltlen;
- }
-}
-
-
-
/* Actual function which prints out F77 arrays, Valaddr == address in
the superior. Address == the address in the inferior. */
static void
f77_print_array_1 (int nss, int ndimensions, struct type *type,
- const bfd_byte *valaddr, CORE_ADDR address,
- struct ui_file *stream, int format,
- int deref_ref, int recurse, enum val_prettyprint pretty,
+ 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) && (*elts) < print_max); i++)
+ struct gdbarch *gdbarch = get_type_arch (type);
+ size_t dim_size = type_length_units (TYPE_TARGET_TYPE (type));
+ int unit_size = gdbarch_addressable_memory_unit_size (gdbarch);
+ size_t byte_stride = TYPE_ARRAY_BIT_STRIDE (type) / (unit_size * 8);
+ if (byte_stride == 0)
+ byte_stride = dim_size;
+ 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, elts);
+ 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 += byte_stride;
fprintf_filtered (stream, ") ");
}
- if (*elts >= print_max && i < F77_DIM_SIZE (nss))
+ if (*elts >= options->print_max && i < upperbound)
fprintf_filtered (stream, "...");
}
else
{
- for (i = 0; i < F77_DIM_SIZE (nss) && (*elts) < print_max;
+ for (i = lowerbound; i < upperbound + 1 && (*elts) < options->print_max;
i++, (*elts)++)
{
- val_print (TYPE_TARGET_TYPE (type),
- valaddr + i * F77_DIM_OFFSET (ndimensions),
- 0,
- address + i * F77_DIM_OFFSET (ndimensions),
- stream, format, deref_ref, recurse, pretty);
+ 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 != (F77_DIM_SIZE (nss) - 1))
+ if (i != upperbound)
fprintf_filtered (stream, ", ");
- if ((*elts == print_max - 1) && (i != (F77_DIM_SIZE (nss) - 1)))
+ 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() */
+ stuff and then immediately call f77_print_array_1(). */
static void
-f77_print_array (struct type *type, const bfd_byte *valaddr,
+f77_print_array (struct type *type, const gdb_byte *valaddr,
+ int embedded_offset,
CORE_ADDR address, struct ui_file *stream,
- int format, int deref_ref, int recurse,
- enum val_prettyprint pretty)
+ int recurse,
+ const struct value *val,
+ const struct value_print_options *options)
{
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, &elts);
+ 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.
+/* Decorations for Fortran. */
- If DEREF_REF is nonzero, then dereference references, otherwise just print
- them like pointers.
-
- The PRETTY parameter controls prettyprinting. */
+static const struct generic_val_print_decorations f_decorations =
+{
+ "(",
+ ",",
+ ")",
+ ".TRUE.",
+ ".FALSE.",
+ "void",
+ "{",
+ "}"
+};
+
+/* See val_print for a description of the various parameters of this
+ function; they are identical. */
-int
-f_val_print (struct type *type, const bfd_byte *valaddr, int embedded_offset,
- CORE_ADDR address, struct ui_file *stream, int format,
- int deref_ref, int recurse, enum val_prettyprint pretty)
+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)
{
- unsigned int i = 0; /* Number of characters printed */
+ struct gdbarch *gdbarch = get_type_arch (type);
+ int printed_field = 0; /* Number of fields printed. */
struct type *elttype;
- LONGEST val;
CORE_ADDR addr;
+ int index;
+ const gdb_byte *valaddr =value_contents_for_printing (original_value);
- CHECK_TYPEDEF (type);
+ type = check_typedef (type);
switch (TYPE_CODE (type))
{
case TYPE_CODE_STRING:
f77_get_dynamic_length_of_aggregate (type);
- LA_PRINT_STRING (stream, valaddr, TYPE_LENGTH (type), 1, 0);
+ 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;
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);
+ 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')
- deprecated_print_address_numeric (addr, 1, stream);
+ 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, -1, TYPE_LENGTH (elttype), stream);
-
- /* Return number of characters printed, including the terminating
- '\0' if we reached the end. val_print_string takes care including
- the terminating '\0' if necessary. */
- return i;
- }
- break;
-
- case TYPE_CODE_REF:
- elttype = check_typedef (TYPE_TARGET_TYPE (type));
- if (addressprint)
- {
- CORE_ADDR addr
- = extract_typed_address (valaddr + embedded_offset, type);
- fprintf_filtered (stream, "@");
- deprecated_print_address_numeric (addr, 1, stream);
- if (deref_ref)
- fputs_filtered (": ", stream);
- }
- /* De-reference the reference. */
- if (deref_ref)
- {
- if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
{
- struct value *deref_val =
- value_at
- (TYPE_TARGET_TYPE (type),
- unpack_pointer (lookup_pointer_type (builtin_type_void),
- valaddr + embedded_offset));
- val_print (value_type (deref_val),
- value_contents (deref_val),
- 0,
- VALUE_ADDRESS (deref_val),
- stream,
- format,
- deref_ref,
- recurse,
- pretty);
+ if (want_space)
+ fputs_filtered (" ", stream);
+ val_print_string (TYPE_TARGET_TYPE (type), NULL, addr, -1,
+ stream, options);
}
- else
- fputs_filtered ("???", stream);
- }
- break;
-
- case TYPE_CODE_FUNC:
- if (format)
- {
- print_scalar_formatted (valaddr, type, format, 0, stream);
- break;
+ return;
}
- /* 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
+ if (options->format || options->output_format)
{
- 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)
- {
- fputs_filtered (" ", stream);
- LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr),
- stream);
- }
- }
- break;
+ struct value_print_options opts = *options;
- case TYPE_CODE_FLT:
- if (format)
- print_scalar_formatted (valaddr, type, format, 0, stream);
+ opts.format = (options->format ? options->format
+ : options->output_format);
+ val_print_scalar_formatted (type, embedded_offset,
+ original_value, &opts, 0, stream);
+ }
else
- print_floating (valaddr, type, stream);
+ val_print_scalar_formatted (type, embedded_offset,
+ original_value, options, 0, stream);
break;
- case TYPE_CODE_VOID:
- fprintf_filtered (stream, "VOID");
- 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);
- case TYPE_CODE_ERROR:
- fprintf_filtered (stream, "<error type>");
- break;
+ struct type *field_type = check_typedef (TYPE_FIELD_TYPE (type, index));
- 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))
+ if (TYPE_CODE (field_type) != TYPE_CODE_FUNC)
{
- case 1:
- val = unpack_long (builtin_type_f_logical_s1, valaddr);
- break;
+ const char *field_name;
- case 2:
- val = unpack_long (builtin_type_f_logical_s2, valaddr);
- break;
+ if (printed_field > 0)
+ fputs_filtered (", ", stream);
- case 4:
- val = unpack_long (builtin_type_f_logical, valaddr);
- break;
+ field_name = TYPE_FIELD_NAME (type, index);
+ if (field_name != NULL)
+ {
+ fputs_filtered (field_name, stream);
+ fputs_filtered (" = ", stream);
+ }
- default:
- error (_("Logicals of length %d bytes not supported"),
- TYPE_LENGTH (type));
+ val_print (value_type (field),
+ value_embedded_offset (field),
+ value_address (field), stream, recurse + 1,
+ field, options, current_language);
+ ++printed_field;
}
+ }
+ fprintf_filtered (stream, " )");
+ break;
- 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, 0, 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_COMPLEX:
- switch (TYPE_LENGTH (type))
- {
- case 8:
- type = builtin_type_f_real;
- break;
- case 16:
- type = builtin_type_f_real_s8;
- break;
- case 32:
- type = builtin_type_f_real_s16;
- break;
- default:
- error (_("Cannot print out complex*%d variables"), TYPE_LENGTH (type));
- }
- fputs_filtered ("(", stream);
- print_floating (valaddr, type, stream);
- fputs_filtered (",", stream);
- print_floating (valaddr + TYPE_LENGTH (type), type, stream);
- fputs_filtered (")", stream);
- break;
-
+ case TYPE_CODE_REF:
+ case TYPE_CODE_FUNC:
+ case TYPE_CODE_FLAGS:
+ case TYPE_CODE_FLT:
+ case TYPE_CODE_VOID:
+ case TYPE_CODE_ERROR:
+ case TYPE_CODE_RANGE:
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;
}
- gdb_flush (stream);
- return 0;
}
static void
-list_all_visible_commons (char *funname)
+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 (strcmp (tmp->owning_function, funname) == 0)
- 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 && (!sym->linkage_name ()
+ || strcmp (comname, sym->linkage_name ()) != 0))
+ continue;
+
+ if (*any_printed)
+ putchar_filtered ('\n');
+ else
+ *any_printed = 1;
+ if (sym->print_name ())
+ printf_filtered (_("Contents of F77 COMMON block '%s':\n"),
+ sym->print_name ());
+ else
+ printf_filtered (_("Contents of blank COMMON block:\n"));
+
+ for (index = 0; index < common->n_entries; index++)
+ {
+ struct value *val = NULL;
+
+ printf_filtered ("%s = ",
+ common->contents[index]->print_name ());
+
+ try
+ {
+ val = value_of_variable (common->contents[index], block);
+ value_print (val, gdb_stdout, &opts);
+ }
+
+ catch (const gdb_exception_error &except)
+ {
+ fprintf_styled (gdb_stdout, metadata_style.style (),
+ "<error reading variable: %s>",
+ except.what ());
+ }
+
+ 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 (char *comname, int from_tty)
+info_common_command (const char *comname, int from_tty)
{
- SAVED_F77_COMMON_PTR the_common;
- COMMON_ENTRY_PTR entry;
struct frame_info *fi;
- char *funname = 0;
- struct symbol *func;
+ 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 */
+ us display its contents. */
- fi = deprecated_selected_frame;
-
- if (fi == NULL)
- error (_("No frame selected"));
+ fi = get_selected_frame (_("No frame selected"));
/* The following is generally ripped off from stack.c's routine
- print_frame_info() */
+ print_frame_info(). */
- func = find_pc_function (get_frame_pc (fi));
- 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 (get_frame_pc (fi));
-
- if (msymbol != NULL
- && (SYMBOL_VALUE_ADDRESS (msymbol)
- > BLOCK_START (SYMBOL_BLOCK_VALUE (func))))
- funname = DEPRECATED_SYMBOL_NAME (msymbol);
- else
- funname = DEPRECATED_SYMBOL_NAME (func);
- }
- else
+ block = get_frame_block (fi, 0);
+ if (block == NULL)
{
- struct minimal_symbol *msymbol =
- lookup_minimal_symbol_by_pc (get_frame_pc (fi));
-
- if (msymbol != NULL)
- funname = DEPRECATED_SYMBOL_NAME (msymbol);
- }
-
- /* If comname is NULL, we assume the user wishes to see the
- which COMMON blocks are visible here and then return */
-
- if (comname == 0)
- {
- list_all_visible_commons (funname);
+ printf_filtered (_("No symbol table info available.\n"));
return;
}
- the_common = find_common_for_function (comname, funname);
-
- if (the_common)
+ while (block)
{
- if (strcmp (comname, BLANK_COMMON_NAME_LOCAL) == 0)
- 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 = ", DEPRECATED_SYMBOL_NAME (entry->symbol));
- print_variable_value (entry->symbol, fi, gdb_stdout);
- printf_filtered ("\n");
- entry = entry->next;
- }
+ 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);
}
- 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'. */
-
-#if 0
-static int
-there_is_a_visible_common_named (char *comname)
-{
- SAVED_F77_COMMON_PTR the_common;
- struct frame_info *fi;
- char *funname = 0;
- struct symbol *func;
- if (comname == NULL)
- error (_("Cannot deal with NULL common name!"));
-
- fi = deprecated_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 = DEPRECATED_SYMBOL_NAME (msymbol);
+ if (comname)
+ printf_filtered (_("No common block '%s'.\n"), comname);
else
- funname = DEPRECATED_SYMBOL_NAME (func);
+ printf_filtered (_("No common blocks.\n"));
}
- else
- {
- struct minimal_symbol *msymbol =
- lookup_minimal_symbol_by_pc (fi->pc);
-
- if (msymbol != NULL)
- funname = DEPRECATED_SYMBOL_NAME (msymbol);
- }
-
- the_common = find_common_for_function (comname, funname);
-
- return (the_common ? 1 : 0);
}
-#endif
void
_initialize_f_valprint (void)
{
add_info ("common", info_common_command,
- "Print out the values contained in a Fortran COMMON block.");
- if (xdb_commands)
- add_com ("lc", class_info, info_common_command,
- "Print out the values contained in a Fortran COMMON block.");
+ _("Print out the values contained in a Fortran COMMON block."));
}
projects / deliverable / binutils-gdb.git / blobdiff