/* Support for printing Fortran values for GDB, the GNU debugger.
- Copyright (C) 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2003, 2005, 2006,
- 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+ Copyright (C) 1993-2014 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.
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"
-
-#if 0
-static int there_is_a_visible_common_named (char *);
-#endif
+#include "dictionary.h"
+#include "exceptions.h"
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 *);
tmp_type = type;
- while ((TYPE_CODE (tmp_type) == TYPE_CODE_ARRAY))
+ while (TYPE_CODE (tmp_type) == TYPE_CODE_ARRAY)
{
upper = f77_get_upperbound (tmp_type);
lower = f77_get_lowerbound (tmp_type);
static void
f77_print_array_1 (int nss, int ndimensions, struct type *type,
- const gdb_byte *valaddr, CORE_ADDR address,
+ 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,
{
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),
+ valaddr,
+ embedded_offset + i * F77_DIM_OFFSET (nss),
+ address,
stream, recurse, val, options, elts);
fprintf_filtered (stream, ") ");
}
i++, (*elts)++)
{
val_print (TYPE_TARGET_TYPE (type),
- valaddr + i * F77_DIM_OFFSET (ndimensions),
- 0,
- address + i * F77_DIM_OFFSET (ndimensions),
- stream, recurse, val, options, current_language);
+ valaddr,
+ embedded_offset + i * F77_DIM_OFFSET (ndimensions),
+ address, stream, recurse,
+ val, options, current_language);
if (i != (F77_DIM_SIZE (nss) - 1))
fprintf_filtered (stream, ", ");
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,
f77_create_arrayprint_offset_tbl (type, stream);
- f77_print_array_1 (1, ndimensions, type, valaddr, address, stream,
- recurse, val, options, &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
- OPTIONS. The data at VALADDR is in target byte order.
+/* Decorations for Fortran. */
+
+static const struct generic_val_print_decorations f_decorations =
+{
+ "(",
+ ",",
+ ")",
+ ".TRUE.",
+ ".FALSE.",
+ "VOID",
+};
- If the data are a string pointer, returns the number of string characters
- printed. */
+/* See val_print for a description of the various parameters of this
+ function; they are identical. */
-int
+void
f_val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset,
CORE_ADDR address, struct ui_file *stream, int recurse,
const struct value *original_value,
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
unsigned int i = 0; /* Number of characters printed. */
struct type *elttype;
- LONGEST val;
CORE_ADDR addr;
int index;
case TYPE_CODE_STRING:
f77_get_dynamic_length_of_aggregate (type);
LA_PRINT_STRING (stream, builtin_type (gdbarch)->builtin_char,
- valaddr, TYPE_LENGTH (type), NULL, 0, options);
+ valaddr + embedded_offset,
+ TYPE_LENGTH (type), NULL, 0, options);
break;
case TYPE_CODE_ARRAY:
- fprintf_filtered (stream, "(");
- f77_print_array (type, valaddr, address, stream,
- recurse, original_value, options);
- 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 (options->format && options->format != 's')
{
- print_scalar_formatted (valaddr, type, options, 0, stream);
+ val_print_scalar_formatted (type, valaddr, 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 (gdbarch, addr, stream, demangle);
- /* Return value is irrelevant except for string pointers. */
- return 0;
+ print_function_pointer_address (options, gdbarch, addr, stream);
+ return;
}
- if (options->addressprint && options->format != 's')
- fputs_filtered (paddress (gdbarch, addr), 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. */
&& TYPE_CODE (elttype) == TYPE_CODE_INT
&& (options->format == 0 || options->format == 's')
&& addr != 0)
- i = val_print_string (TYPE_TARGET_TYPE (type), NULL, addr, -1,
- stream, options);
-
- /* 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 (options->addressprint)
- {
- CORE_ADDR addr
- = extract_typed_address (valaddr + embedded_offset, type);
-
- fprintf_filtered (stream, "@");
- fputs_filtered (paddress (gdbarch, addr), stream);
- if (options->deref_ref)
- fputs_filtered (": ", stream);
- }
- /* De-reference the reference. */
- if (options->deref_ref)
- {
- if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
{
- struct value *deref_val =
- value_at
- (TYPE_TARGET_TYPE (type),
- unpack_pointer (type, valaddr + embedded_offset));
-
- common_val_print (deref_val, stream, recurse,
- options, current_language);
+ if (want_space)
+ fputs_filtered (" ", stream);
+ i = val_print_string (TYPE_TARGET_TYPE (type), NULL, addr, -1,
+ stream, options);
}
- else
- fputs_filtered ("???", stream);
- }
- break;
-
- case TYPE_CODE_FUNC:
- if (options->format)
- {
- print_scalar_formatted (valaddr, type, options, 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 (gdbarch, address, stream, demangle);
break;
case TYPE_CODE_INT:
opts.format = (options->format ? options->format
: options->output_format);
- print_scalar_formatted (valaddr, type, &opts, 0, stream);
+ val_print_scalar_formatted (type, valaddr, embedded_offset,
+ original_value, &opts, 0, stream);
}
else
{
- val_print_type_code_int (type, valaddr, stream);
+ val_print_type_code_int (type, valaddr + embedded_offset, 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),
- type, stream);
- }
- }
- break;
-
- case TYPE_CODE_FLAGS:
- if (options->format)
- print_scalar_formatted (valaddr, type, options, 0, stream);
- else
- val_print_type_code_flags (type, valaddr, stream);
- break;
-
- case TYPE_CODE_FLT:
- if (options->format)
- print_scalar_formatted (valaddr, type, options, 0, stream);
- else
- print_floating (valaddr, type, stream);
- break;
-
- case TYPE_CODE_VOID:
- fprintf_filtered (stream, "VOID");
- break;
+ LONGEST c;
- case TYPE_CODE_ERROR:
- fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (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:
- if (options->format || options->output_format)
- {
- struct value_print_options opts = *options;
-
- opts.format = (options->format ? options->format
- : options->output_format);
- print_scalar_formatted (valaddr, type, &opts, 0, stream);
- }
- else
- {
- val = extract_unsigned_integer (valaddr,
- TYPE_LENGTH (type), byte_order);
- 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;
- val_print (type, valaddr, 0, address, stream, recurse,
- original_value, options, current_language);
- /* Restore the type code so later uses work as intended. */
- TYPE_CODE (type) = TYPE_CODE_BOOL;
+ fputs_filtered (" ", stream);
+ c = unpack_long (type, valaddr + embedded_offset);
+ LA_PRINT_CHAR ((unsigned char) c, type, stream);
}
}
break;
- case TYPE_CODE_COMPLEX:
- type = TYPE_TARGET_TYPE (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_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_STRUCT:
case TYPE_CODE_UNION:
/* Starting from the Fortran 90 standard, Fortran supports derived
{
int offset = TYPE_FIELD_BITPOS (type, index) / 8;
- val_print (TYPE_FIELD_TYPE (type, index), valaddr + offset,
- embedded_offset, address, stream, recurse + 1,
+ val_print (TYPE_FIELD_TYPE (type, index), valaddr,
+ embedded_offset + offset,
+ address, stream, recurse + 1,
original_value, options, current_language);
if (index != TYPE_NFIELDS (type) - 1)
fputs_filtered (", ", stream);
fprintf_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:
+ 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, valaddr, 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;
+ const char *name;
+ 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;
+ volatile struct gdb_exception except;
+
+ printf_filtered ("%s = ",
+ SYMBOL_PRINT_NAME (common->contents[index]));
+
+ TRY_CATCH (except, RETURN_MASK_ERROR)
+ {
+ val = value_of_variable (common->contents[index], block);
+ value_print (val, gdb_stdout, &opts);
+ }
+
+ if (except.reason < 0)
+ printf_filtered ("<error reading variable: %s>", except.message);
+ putchar_filtered ('\n');
+ }
+ }
}
/* This function is used to print out the values in a given COMMON
static void
info_common_command (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
/* The following is generally ripped off from stack.c's routine
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 = SYMBOL_LINKAGE_NAME (msymbol);
- else
- funname = SYMBOL_LINKAGE_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 = SYMBOL_LINKAGE_NAME (msymbol);
- else /* Got no 'funname', code below will fail. */
- error (_("No function found for frame."));
- }
-
- /* 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)
- {
- print_variable_and_value (NULL, entry->symbol, fi, gdb_stdout, 0);
- 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 = 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)
+ 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_LINKAGE_NAME (msymbol);
+ if (comname)
+ printf_filtered (_("No common block '%s'.\n"), comname);
else
- funname = SYMBOL_LINKAGE_NAME (func);
+ printf_filtered (_("No common blocks.\n"));
}
- else
- {
- struct minimal_symbol *msymbol =
- lookup_minimal_symbol_by_pc (fi->pc);
-
- if (msymbol != NULL)
- funname = SYMBOL_LINKAGE_NAME (msymbol);
- }
-
- the_common = find_common_for_function (comname, funname);
-
- return (the_common ? 1 : 0);
}
-#endif
void
_initialize_f_valprint (void)
projects / deliverable / binutils-gdb.git / blobdiff