/* Support for printing Fortran values for GDB, the GNU debugger.
- Copyright (C) 1993-1996, 1998-2000, 2003, 2005-2012 Free Software
- Foundation, Inc.
+ Copyright (C) 1993-2013 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.
#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 "gdb_assert.h"
+#include "exceptions.h"
extern void _initialize_f_valprint (void);
static void info_common_command (char *, int);
-static void list_all_visible_commons (const 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
-list_all_visible_commons (const char *funname)
+info_common_command_for_block (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)
+ {
+ 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;
- const char *funname = 0;
- struct symbol *func;
+ 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
- {
- 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)
+ block = get_frame_block (fi, 0);
+ if (block == NULL)
{
- 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);
- }
- else
- {
- struct minimal_symbol *msymbol =
- lookup_minimal_symbol_by_pc (fi->pc);
-
- if (msymbol != NULL)
- funname = SYMBOL_LINKAGE_NAME (msymbol);
+ printf_filtered (_("No common blocks.\n"));
}
-
- 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