#include "observer.h"
#include "vec.h"
-#ifndef ADA_RETAIN_DOTS
-#define ADA_RETAIN_DOTS 0
-#endif
-
/* Define whether or not the C operator '/' truncates towards zero for
differently signed operands (truncation direction is undefined in C).
Copied from valarith.c. */
static int is_name_suffix (const char *);
-static int is_digits_suffix (const char *str);
-
static int wild_match (const char *, int, const char *);
static struct value *ada_coerce_ref (struct value *);
static LONGEST pos_atr (struct value *);
-static struct value *value_pos_atr (struct value *);
+static struct value *value_pos_atr (struct type *, struct value *);
static struct value *value_val_atr (struct type *, struct value *);
static void
ada_print_array_index (struct value *index_value, struct ui_file *stream,
- int format, enum val_prettyprint pretty)
+ const struct value_print_options *options)
{
- LA_VALUE_PRINT (index_value, stream, format, pretty);
+ LA_VALUE_PRINT (index_value, stream, options);
fprintf_filtered (stream, " => ");
}
return (len1 >= len2 && strcmp (str + len1 - len2, suffix) == 0);
}
-/* Create a value of type TYPE whose contents come from VALADDR, if it
- is non-null, and whose memory address (in the inferior) is
- ADDRESS. */
-
-struct value *
-value_from_contents_and_address (struct type *type,
- const gdb_byte *valaddr,
- CORE_ADDR address)
-{
- struct value *v = allocate_value (type);
- if (valaddr == NULL)
- set_value_lazy (v, 1);
- else
- memcpy (value_contents_raw (v), valaddr, TYPE_LENGTH (type));
- VALUE_ADDRESS (v) = address;
- if (address != 0)
- VALUE_LVAL (v) = lval_memory;
- return v;
-}
-
/* The contents of value VAL, treated as a value of type TYPE. The
result is an lval in memory if VAL is. */
check_size (type);
result = allocate_value (type);
- VALUE_LVAL (result) = VALUE_LVAL (val);
+ set_value_component_location (result, val);
set_value_bitsize (result, value_bitsize (val));
set_value_bitpos (result, value_bitpos (val));
- VALUE_ADDRESS (result) = VALUE_ADDRESS (val) + value_offset (val);
+ VALUE_ADDRESS (result) += value_offset (val);
if (value_lazy (val)
|| TYPE_LENGTH (type) > TYPE_LENGTH (value_type (val)))
set_value_lazy (result, 1);
k = 0;
for (p = decoded; *p != '\0'; p += 1)
{
- if (!ADA_RETAIN_DOTS && *p == '.')
+ if (*p == '.')
{
encoding_buffer[k] = encoding_buffer[k + 1] = '_';
k += 2;
if (i < len0)
goto Suppress;
}
- else if (!ADA_RETAIN_DOTS
- && i < len0 - 2 && encoded[i] == '_' && encoded[i + 1] == '_')
+ else if (i < len0 - 2 && encoded[i] == '_' && encoded[i + 1] == '_')
{
/* Replace '__' by '.'. */
decoded[j] = '.';
ada_coerce_to_simple_array_type (struct type *type)
{
struct value *mark = value_mark ();
- struct value *dummy = value_from_longest (builtin_type_long, 0);
+ struct value *dummy = value_from_longest (builtin_type_int32, 0);
struct type *result;
deprecated_set_value_type (dummy, type);
result = ada_type_of_array (dummy, 0);
new_type = alloc_type (TYPE_OBJFILE (type));
new_elt_type = packed_array_type (ada_check_typedef (TYPE_TARGET_TYPE (type)),
elt_bits);
- create_array_type (new_type, new_elt_type, TYPE_FIELD_TYPE (type, 0));
+ create_array_type (new_type, new_elt_type, TYPE_INDEX_TYPE (type));
TYPE_FIELD_BITSIZE (new_type, 0) = *elt_bits;
TYPE_NAME (new_type) = ada_type_name (type);
- if (get_discrete_bounds (TYPE_FIELD_TYPE (type, 0),
+ if (get_discrete_bounds (TYPE_INDEX_TYPE (type),
&low_bound, &high_bound) < 0)
low_bound = high_bound = 0;
if (high_bound < low_bound)
lowerbound = upperbound = 0;
}
- idx = value_as_long (value_pos_atr (ind[i]));
+ idx = pos_atr (ind[i]);
if (idx < lowerbound || idx > upperbound)
lim_warning (_("packed array index %ld out of bounds"), (long) idx);
bits = TYPE_FIELD_BITSIZE (elt_type, 0);
if (obj != NULL)
{
- VALUE_LVAL (v) = VALUE_LVAL (obj);
- if (VALUE_LVAL (obj) == lval_internalvar)
- VALUE_LVAL (v) = lval_internalvar_component;
- VALUE_ADDRESS (v) = VALUE_ADDRESS (obj) + value_offset (obj) + offset;
+ set_value_component_location (v, obj);
+ VALUE_ADDRESS (v) += value_offset (obj) + offset;
set_value_bitpos (v, bit_offset + value_bitpos (obj));
set_value_bitsize (v, bit_size);
if (value_bitpos (v) >= HOST_CHAR_BIT)
{
if (TYPE_CODE (elt_type) != TYPE_CODE_ARRAY)
error (_("too many subscripts (%d expected)"), k);
- elt = value_subscript (elt, value_pos_atr (ind[k]));
+ elt = value_subscript (elt, value_pos_atr (builtin_type_int32, ind[k]));
}
return elt;
}
arr = value_cast (lookup_pointer_type (TYPE_TARGET_TYPE (type)),
value_copy (arr));
get_discrete_bounds (TYPE_INDEX_TYPE (type), &lwb, &upb);
- idx = value_pos_atr (ind[k]);
+ idx = value_pos_atr (builtin_type_int32, ind[k]);
if (lwb != 0)
- idx = value_sub (idx, value_from_longest (builtin_type_int, lwb));
- arr = value_add (arr, idx);
+ idx = value_binop (idx, value_from_longest (value_type (idx), lwb),
+ BINOP_SUB);
+
+ arr = value_ptradd (arr, idx);
type = TYPE_TARGET_TYPE (type);
}
}
/* Given that ARRAY_PTR is a pointer or reference to an array of type TYPE (the
- actual type of ARRAY_PTR is ignored), returns a reference to
- the Ada slice of HIGH-LOW+1 elements starting at index LOW. The lower
- bound of this array is LOW, as per Ada rules. */
+ actual type of ARRAY_PTR is ignored), returns the Ada slice of HIGH-LOW+1
+ elements starting at index LOW. The lower bound of this array is LOW, as
+ per Ada rules. */
static struct value *
-ada_value_slice_ptr (struct value *array_ptr, struct type *type,
- int low, int high)
+ada_value_slice_from_ptr (struct value *array_ptr, struct type *type,
+ int low, int high)
{
CORE_ADDR base = value_as_address (array_ptr)
+ ((low - TYPE_LOW_BOUND (TYPE_INDEX_TYPE (type)))
low, high);
struct type *slice_type =
create_array_type (NULL, TYPE_TARGET_TYPE (type), index_type);
- return value_from_pointer (lookup_reference_type (slice_type), base);
+ return value_at_lazy (slice_type, base);
}
for (i = 1; i < n; i += 1)
type = TYPE_TARGET_TYPE (type);
- result_type = TYPE_TARGET_TYPE (TYPE_FIELD_TYPE (type, 0));
+ result_type = TYPE_TARGET_TYPE (TYPE_INDEX_TYPE (type));
/* FIXME: The stabs type r(0,0);bound;bound in an array type
has a target type of TYPE_CODE_UNDEF. We compensate here, but
perhaps stabsread.c would make more sense. */
if (result_type == NULL || TYPE_CODE (result_type) == TYPE_CODE_UNDEF)
- result_type = builtin_type_int;
+ result_type = builtin_type_int32;
return result_type;
}
ada_array_bound_from_type (struct type * arr_type, int n, int which,
struct type ** typep)
{
- struct type *type;
- struct type *index_type_desc;
+ struct type *type, *index_type_desc, *index_type;
+ LONGEST retval;
+
+ gdb_assert (which == 0 || which == 1);
if (ada_is_packed_array_type (arr_type))
arr_type = decode_packed_array_type (arr_type);
if (arr_type == NULL || !ada_is_simple_array_type (arr_type))
{
if (typep != NULL)
- *typep = builtin_type_int;
+ *typep = builtin_type_int32;
return (LONGEST) - which;
}
type = arr_type;
index_type_desc = ada_find_parallel_type (type, "___XA");
- if (index_type_desc == NULL)
+ if (index_type_desc != NULL)
+ index_type = to_fixed_range_type (TYPE_FIELD_NAME (index_type_desc, n - 1),
+ NULL, TYPE_OBJFILE (arr_type));
+ else
{
- struct type *index_type;
-
while (n > 1)
{
type = TYPE_TARGET_TYPE (type);
}
index_type = TYPE_INDEX_TYPE (type);
- if (typep != NULL)
- *typep = index_type;
-
- /* The index type is either a range type or an enumerated type.
- For the range type, we have some macros that allow us to
- extract the value of the low and high bounds. But they
- do now work for enumerated types. The expressions used
- below work for both range and enum types. */
- return
- (LONGEST) (which == 0
- ? TYPE_FIELD_BITPOS (index_type, 0)
- : TYPE_FIELD_BITPOS (index_type,
- TYPE_NFIELDS (index_type) - 1));
}
- else
+
+ switch (TYPE_CODE (index_type))
{
- struct type *index_type =
- to_fixed_range_type (TYPE_FIELD_NAME (index_type_desc, n - 1),
- NULL, TYPE_OBJFILE (arr_type));
+ case TYPE_CODE_RANGE:
+ retval = which == 0 ? TYPE_LOW_BOUND (index_type)
+ : TYPE_HIGH_BOUND (index_type);
+ break;
+ case TYPE_CODE_ENUM:
+ retval = which == 0 ? TYPE_FIELD_BITPOS (index_type, 0)
+ : TYPE_FIELD_BITPOS (index_type,
+ TYPE_NFIELDS (index_type) - 1);
+ break;
+ default:
+ internal_error (__FILE__, __LINE__, _("invalid type code of index type"));
+ }
- if (typep != NULL)
- *typep = index_type;
+ if (typep != NULL)
+ *typep = index_type;
- return
- (LONGEST) (which == 0
- ? TYPE_LOW_BOUND (index_type)
- : TYPE_HIGH_BOUND (index_type));
- }
+ return retval;
}
/* Given that arr is an array value, returns the lower bound of the
i = 0;
while (i < nsyms)
{
- if (SYMBOL_LINKAGE_NAME (syms[i].sym) != NULL
+ int remove = 0;
+
+ /* If two symbols have the same name and one of them is a stub type,
+ the get rid of the stub. */
+
+ if (TYPE_STUB (SYMBOL_TYPE (syms[i].sym))
+ && SYMBOL_LINKAGE_NAME (syms[i].sym) != NULL)
+ {
+ for (j = 0; j < nsyms; j++)
+ {
+ if (j != i
+ && !TYPE_STUB (SYMBOL_TYPE (syms[j].sym))
+ && SYMBOL_LINKAGE_NAME (syms[j].sym) != NULL
+ && strcmp (SYMBOL_LINKAGE_NAME (syms[i].sym),
+ SYMBOL_LINKAGE_NAME (syms[j].sym)) == 0)
+ remove = 1;
+ }
+ }
+
+ /* Two symbols with the same name, same class and same address
+ should be identical. */
+
+ else if (SYMBOL_LINKAGE_NAME (syms[i].sym) != NULL
&& SYMBOL_CLASS (syms[i].sym) == LOC_STATIC
&& is_nondebugging_type (SYMBOL_TYPE (syms[i].sym)))
{
&& SYMBOL_CLASS (syms[i].sym) == SYMBOL_CLASS (syms[j].sym)
&& SYMBOL_VALUE_ADDRESS (syms[i].sym)
== SYMBOL_VALUE_ADDRESS (syms[j].sym))
- {
- int k;
- for (k = i + 1; k < nsyms; k += 1)
- syms[k - 1] = syms[k];
- nsyms -= 1;
- goto NextSymbol;
- }
+ remove = 1;
}
}
+
+ if (remove)
+ {
+ for (j = i + 1; j < nsyms; j += 1)
+ syms[j - 1] = syms[j];
+ nsyms -= 1;
+ }
+
i += 1;
- NextSymbol:
- ;
}
return nsyms;
}
return nsyms;
}
+/* Add to OBSTACKP all symbols from BLOCK (and its super-blocks)
+ whose name and domain match NAME and DOMAIN respectively.
+ If no match was found, then extend the search to "enclosing"
+ routines (in other words, if we're inside a nested function,
+ search the symbols defined inside the enclosing functions).
+
+ Note: This function assumes that OBSTACKP has 0 (zero) element in it. */
+
+static void
+ada_add_local_symbols (struct obstack *obstackp, const char *name,
+ struct block *block, domain_enum domain,
+ int wild_match)
+{
+ int block_depth = 0;
+
+ while (block != NULL)
+ {
+ block_depth += 1;
+ ada_add_block_symbols (obstackp, block, name, domain, NULL, wild_match);
+
+ /* If we found a non-function match, assume that's the one. */
+ if (is_nonfunction (defns_collected (obstackp, 0),
+ num_defns_collected (obstackp)))
+ return;
+
+ block = BLOCK_SUPERBLOCK (block);
+ }
+
+ /* If no luck so far, try to find NAME as a local symbol in some lexically
+ enclosing subprogram. */
+ if (num_defns_collected (obstackp) == 0 && block_depth > 2)
+ add_symbols_from_enclosing_procs (obstackp, name, domain, wild_match);
+}
+
+/* Add to OBSTACKP all non-local symbols whose name and domain match
+ NAME and DOMAIN respectively. The search is performed on GLOBAL_BLOCK
+ symbols if GLOBAL is non-zero, or on STATIC_BLOCK symbols otherwise. */
+
+static void
+ada_add_non_local_symbols (struct obstack *obstackp, const char *name,
+ domain_enum domain, int global,
+ int wild_match)
+{
+ struct objfile *objfile;
+ struct partial_symtab *ps;
+
+ ALL_PSYMTABS (objfile, ps)
+ {
+ QUIT;
+ if (ps->readin
+ || ada_lookup_partial_symbol (ps, name, global, domain, wild_match))
+ {
+ struct symtab *s = PSYMTAB_TO_SYMTAB (ps);
+ const int block_kind = global ? GLOBAL_BLOCK : STATIC_BLOCK;
+
+ if (s == NULL || !s->primary)
+ continue;
+ ada_add_block_symbols (obstackp,
+ BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), block_kind),
+ name, domain, objfile, wild_match);
+ }
+ }
+}
+
/* Find symbols in DOMAIN matching NAME0, in BLOCK0 and enclosing
scope and in global scopes, returning the number of matches. Sets
*RESULTS to point to a vector of (SYM,BLOCK) tuples,
struct ada_symbol_info **results)
{
struct symbol *sym;
- struct symtab *s;
- struct partial_symtab *ps;
- struct blockvector *bv;
- struct objfile *objfile;
struct block *block;
const char *name;
- struct minimal_symbol *msymbol;
int wild_match;
int cacheIfUnique;
- int block_depth;
int ndefns;
obstack_free (&symbol_list_obstack, NULL);
block = (struct block *) block0; /* FIXME: No cast ought to be
needed, but adding const will
have a cascade effect. */
+
+ /* Special case: If the user specifies a symbol name inside package
+ Standard, do a non-wild matching of the symbol name without
+ the "standard__" prefix. This was primarily introduced in order
+ to allow the user to specifically access the standard exceptions
+ using, for instance, Standard.Constraint_Error when Constraint_Error
+ is ambiguous (due to the user defining its own Constraint_Error
+ entity inside its program). */
if (strncmp (name0, "standard__", sizeof ("standard__") - 1) == 0)
{
wild_match = 0;
name = name0 + sizeof ("standard__") - 1;
}
- block_depth = 0;
- while (block != NULL)
- {
- block_depth += 1;
- ada_add_block_symbols (&symbol_list_obstack, block, name,
- namespace, NULL, wild_match);
-
- /* If we found a non-function match, assume that's the one. */
- if (is_nonfunction (defns_collected (&symbol_list_obstack, 0),
- num_defns_collected (&symbol_list_obstack)))
- goto done;
-
- block = BLOCK_SUPERBLOCK (block);
- }
-
- /* If no luck so far, try to find NAME as a local symbol in some lexically
- enclosing subprogram. */
- if (num_defns_collected (&symbol_list_obstack) == 0 && block_depth > 2)
- add_symbols_from_enclosing_procs (&symbol_list_obstack,
- name, namespace, wild_match);
-
- /* If we found ANY matches among non-global symbols, we're done. */
+ /* Check the non-global symbols. If we have ANY match, then we're done. */
+ ada_add_local_symbols (&symbol_list_obstack, name, block, namespace,
+ wild_match);
if (num_defns_collected (&symbol_list_obstack) > 0)
goto done;
+ /* No non-global symbols found. Check our cache to see if we have
+ already performed this search before. If we have, then return
+ the same result. */
+
cacheIfUnique = 1;
if (lookup_cached_symbol (name0, namespace, &sym, &block))
{
goto done;
}
- /* Now add symbols from all global blocks: symbol tables, minimal symbol
- tables, and psymtab's. */
-
- ALL_PRIMARY_SYMTABS (objfile, s)
- {
- QUIT;
- bv = BLOCKVECTOR (s);
- block = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
- ada_add_block_symbols (&symbol_list_obstack, block, name, namespace,
- objfile, wild_match);
- }
-
- if (namespace == VAR_DOMAIN)
- {
- ALL_MSYMBOLS (objfile, msymbol)
- {
- if (ada_match_name (SYMBOL_LINKAGE_NAME (msymbol), name, wild_match))
- {
- switch (MSYMBOL_TYPE (msymbol))
- {
- case mst_solib_trampoline:
- break;
- default:
- s = find_pc_symtab (SYMBOL_VALUE_ADDRESS (msymbol));
- if (s != NULL)
- {
- int ndefns0 = num_defns_collected (&symbol_list_obstack);
- char *raw_name = SYMBOL_LINKAGE_NAME (msymbol);
- char *name1;
- const char *suffix;
- QUIT;
- suffix = strrchr (raw_name, '.');
- if (suffix == NULL)
- suffix = strrchr (raw_name, '$');
- if (suffix != NULL && is_digits_suffix (suffix + 1))
- {
- name1 = alloca (suffix - raw_name + 1);
- strncpy (name1, raw_name, suffix - raw_name);
- name1[suffix - raw_name] = '\0';
- }
- else
- name1 = raw_name;
-
- bv = BLOCKVECTOR (s);
- block = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
- ada_add_block_symbols (&symbol_list_obstack, block,
- name1, namespace, objfile, 0);
-
- if (num_defns_collected (&symbol_list_obstack) == ndefns0)
- {
- block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
- ada_add_block_symbols (&symbol_list_obstack, block,
- name1, namespace, objfile, 0);
- }
- }
- }
- }
- }
- }
-
- ALL_PSYMTABS (objfile, ps)
- {
- QUIT;
- if (!ps->readin
- && ada_lookup_partial_symbol (ps, name, 1, namespace, wild_match))
- {
- s = PSYMTAB_TO_SYMTAB (ps);
- if (!s->primary)
- continue;
- bv = BLOCKVECTOR (s);
- block = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
- ada_add_block_symbols (&symbol_list_obstack, block, name,
- namespace, objfile, wild_match);
- }
- }
+ /* Search symbols from all global blocks. */
+
+ ada_add_non_local_symbols (&symbol_list_obstack, name, namespace, 1,
+ wild_match);
/* Now add symbols from all per-file blocks if we've gotten no hits
- (Not strictly correct, but perhaps better than an error).
- Do the symtabs first, then check the psymtabs. */
+ (not strictly correct, but perhaps better than an error). */
if (num_defns_collected (&symbol_list_obstack) == 0)
- {
-
- ALL_PRIMARY_SYMTABS (objfile, s)
- {
- QUIT;
- bv = BLOCKVECTOR (s);
- block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
- ada_add_block_symbols (&symbol_list_obstack, block, name, namespace,
- objfile, wild_match);
- }
-
- ALL_PSYMTABS (objfile, ps)
- {
- QUIT;
- if (!ps->readin
- && ada_lookup_partial_symbol (ps, name, 0, namespace, wild_match))
- {
- s = PSYMTAB_TO_SYMTAB (ps);
- bv = BLOCKVECTOR (s);
- if (!s->primary)
- continue;
- block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
- ada_add_block_symbols (&symbol_list_obstack, block, name,
- namespace, objfile, wild_match);
- }
- }
- }
+ ada_add_non_local_symbols (&symbol_list_obstack, name, namespace, 0,
+ wild_match);
done:
ndefns = num_defns_collected (&symbol_list_obstack);
return 0;
}
-/* Return nonzero if the given string contains only digits.
- The empty string also matches. */
-
-static int
-is_digits_suffix (const char *str)
-{
- while (isdigit (str[0]))
- str++;
- return (str[0] == '\0');
-}
-
/* Return non-zero if the string starting at NAME and ending before
NAME_END contains no capital letters. */
valp = value_cast (info_type, args->tag);
if (valp == NULL)
return 0;
- val = value_ind (value_add (valp, value_from_longest (builtin_type_int, -1)));
+ val = value_ind (value_ptradd (valp,
+ value_from_longest (builtin_type_int8, -1)));
if (val == NULL)
return 0;
val = ada_value_struct_elt (val, "expanded_name", 1);
struct type *type =
ada_lookup_struct_elt_type (outer_type, name, 1, 1, NULL);
if (type == NULL)
- return builtin_type_int;
+ return builtin_type_int32;
else
return type;
}
/* Given ARG, a value of type (pointer or reference to a)*
structure/union, extract the component named NAME from the ultimate
target structure/union and return it as a value with its
- appropriate type. If ARG is a pointer or reference and the field
- is not packed, returns a reference to the field, otherwise the
- value of the field (an lvalue if ARG is an lvalue).
+ appropriate type.
The routine searches for NAME among all members of the structure itself
and (recursively) among all members of any wrapper members
field_type);
}
else
- v = value_from_pointer (lookup_reference_type (field_type),
- address + byte_offset);
+ v = value_at_lazy (field_type, address + byte_offset);
}
}
for (j = TYPE_NFIELDS (field_type) - 1; j >= 0; j -= 1)
{
+ /* FIXME pnh 2008/01/26: We check for a field that is
+ NOT wrapped in a struct, since the compiler sometimes
+ generates these for unchecked variant types. Revisit
+ if the compiler changes this practice. */
+ char *v_field_name = TYPE_FIELD_NAME (field_type, j);
disp = 0;
- t = ada_lookup_struct_elt_type (TYPE_FIELD_TYPE (field_type, j),
- name, 0, 1, &disp);
+ if (v_field_name != NULL
+ && field_name_match (v_field_name, name))
+ t = ada_check_typedef (TYPE_FIELD_TYPE (field_type, j));
+ else
+ t = ada_lookup_struct_elt_type (TYPE_FIELD_TYPE (field_type, j),
+ name, 0, 1, &disp);
+
if (t != NULL)
{
if (dispp != NULL)
return NULL;
}
+/* Assuming that VAR_TYPE is the type of a variant part of a record (a union),
+ within a value of type OUTER_TYPE, return true iff VAR_TYPE
+ represents an unchecked union (that is, the variant part of a
+ record that is named in an Unchecked_Union pragma). */
+
+static int
+is_unchecked_variant (struct type *var_type, struct type *outer_type)
+{
+ char *discrim_name = ada_variant_discrim_name (var_type);
+ return (ada_lookup_struct_elt_type (outer_type, discrim_name, 0, 1, NULL)
+ == NULL);
+}
+
+
/* Assuming that VAR_TYPE is the type of a variant part of a record (a union),
within a value of type OUTER_TYPE that is stored in GDB at
OUTER_VALADDR, determine which variant clause (field number in VAR_TYPE,
TYPE_CODE (type) = TYPE_CODE_STRUCT;
TYPE_NFIELDS (type) = 0;
TYPE_FIELDS (type) = NULL;
+ INIT_CPLUS_SPECIFIC (type);
TYPE_NAME (type) = "<empty>";
TYPE_TAG_NAME (type) = NULL;
TYPE_LENGTH (type) = 0;
}
/* We handle the variant part, if any, at the end because of certain
- odd cases in which it is re-ordered so as NOT the last field of
+ odd cases in which it is re-ordered so as NOT to be the last field of
the record. This can happen in the presence of representation
clauses. */
if (variant_field >= 0)
union type. Any necessary discriminants' values should be in DVAL,
a record value. That is, this routine selects the appropriate
branch of the union at ADDR according to the discriminant value
- indicated in the union's type name. */
+ indicated in the union's type name. Returns VAR_TYPE0 itself if
+ it represents a variant subject to a pragma Unchecked_Union. */
static struct type *
to_fixed_variant_branch_type (struct type *var_type0, const gdb_byte *valaddr,
if (templ_type != NULL)
var_type = templ_type;
+ if (is_unchecked_variant (var_type, value_type (dval)))
+ return var_type0;
which =
ada_which_variant_applies (var_type,
value_type (dval), value_contents (dval));
if (real_type != NULL)
return to_fixed_record_type (real_type, valaddr, address, NULL);
}
+
+ /* Check to see if there is a parallel ___XVZ variable.
+ If there is, then it provides the actual size of our type. */
+ else if (ada_type_name (fixed_record_type) != NULL)
+ {
+ char *name = ada_type_name (fixed_record_type);
+ char *xvz_name = alloca (strlen (name) + 7 /* "___XVZ\0" */);
+ int xvz_found = 0;
+ LONGEST size;
+
+ sprintf (xvz_name, "%s___XVZ", name);
+ size = get_int_var_value (xvz_name, &xvz_found);
+ if (xvz_found && TYPE_LENGTH (fixed_record_type) != size)
+ {
+ fixed_record_type = copy_type (fixed_record_type);
+ TYPE_LENGTH (fixed_record_type) = size;
+
+ /* The FIXED_RECORD_TYPE may have be a stub. We have
+ observed this when the debugging info is STABS, and
+ apparently it is something that is hard to fix.
+
+ In practice, we don't need the actual type definition
+ at all, because the presence of the XVZ variable allows us
+ to assume that there must be a XVS type as well, which we
+ should be able to use later, when we need the actual type
+ definition.
+
+ In the meantime, pretend that the "fixed" type we are
+ returning is NOT a stub, because this can cause trouble
+ when using this type to create new types targeting it.
+ Indeed, the associated creation routines often check
+ whether the target type is a stub and will try to replace
+ it, thus using a type with the wrong size. This, in turn,
+ might cause the new type to have the wrong size too.
+ Consider the case of an array, for instance, where the size
+ of the array is computed from the number of elements in
+ our array multiplied by the size of its element. */
+ TYPE_STUB (fixed_record_type) = 0;
+ }
+ }
return fixed_record_type;
}
case TYPE_CODE_ARRAY:
}
static struct value *
-value_pos_atr (struct value *arg)
+value_pos_atr (struct type *type, struct value *arg)
{
- return value_from_longest (builtin_type_int, pos_atr (arg));
+ return value_from_longest (type, pos_atr (arg));
}
/* Evaluate the TYPE'VAL attribute applied to ARG. */
value_as_long (arg)));
else
{
- DOUBLEST argd =
- value_as_double (value_cast (builtin_type_double, value_copy (arg)));
+ DOUBLEST argd = value_as_double (arg);
val = ada_float_to_fixed (type, argd);
}
}
static struct value *
-cast_from_fixed_to_double (struct value *arg)
+cast_from_fixed (struct type *type, struct value *arg)
{
DOUBLEST val = ada_fixed_to_float (value_type (arg),
value_as_long (arg));
- return value_from_double (builtin_type_double, val);
+ return value_from_double (type, val);
}
/* Coerce VAL as necessary for assignment to an lval of type TYPE, and
struct value *elt;
if (TYPE_CODE (value_type (lhs)) == TYPE_CODE_ARRAY)
{
- struct value *index_val = value_from_longest (builtin_type_int, index);
+ struct value *index_val = value_from_longest (builtin_type_int32, index);
elt = unwrap_value (ada_value_subscript (lhs, 1, &index_val));
}
else
return (cast_to_fixed (type, arg2));
if (ada_is_fixed_point_type (value_type (arg2)))
- return value_cast (type, cast_from_fixed_to_double (arg2));
+ return cast_from_fixed (type, arg2);
return value_cast (type, arg2);
}
type = value_type (arg1);
while (TYPE_CODE (type) == TYPE_CODE_REF)
type = TYPE_TARGET_TYPE (type);
- return value_cast (type, value_add (arg1, arg2));
+ binop_promote (exp->language_defn, exp->gdbarch, &arg1, &arg2);
+ return value_cast (type, value_binop (arg1, arg2, BINOP_ADD));
case BINOP_SUB:
arg1 = evaluate_subexp_with_coercion (exp, pos, noside);
type = value_type (arg1);
while (TYPE_CODE (type) == TYPE_CODE_REF)
type = TYPE_TARGET_TYPE (type);
- return value_cast (type, value_sub (arg1, arg2));
+ binop_promote (exp->language_defn, exp->gdbarch, &arg1, &arg2);
+ return value_cast (type, value_binop (arg1, arg2, BINOP_SUB));
case BINOP_MUL:
case BINOP_DIV:
return value_zero (value_type (arg1), not_lval);
else
{
+ type = builtin_type (exp->gdbarch)->builtin_double;
if (ada_is_fixed_point_type (value_type (arg1)))
- arg1 = cast_from_fixed_to_double (arg1);
+ arg1 = cast_from_fixed (type, arg1);
if (ada_is_fixed_point_type (value_type (arg2)))
- arg2 = cast_from_fixed_to_double (arg2);
+ arg2 = cast_from_fixed (type, arg2);
+ binop_promote (exp->language_defn, exp->gdbarch, &arg1, &arg2);
return ada_value_binop (arg1, arg2, op);
}
&& (op == BINOP_DIV || op == BINOP_REM || op == BINOP_MOD))
return value_zero (value_type (arg1), not_lval);
else
- return ada_value_binop (arg1, arg2, op);
+ {
+ binop_promote (exp->language_defn, exp->gdbarch, &arg1, &arg2);
+ return ada_value_binop (arg1, arg2, op);
+ }
case BINOP_EQUAL:
case BINOP_NOTEQUAL:
if (noside == EVAL_AVOID_SIDE_EFFECTS)
tem = 0;
else
- tem = ada_value_equal (arg1, arg2);
+ {
+ binop_promote (exp->language_defn, exp->gdbarch, &arg1, &arg2);
+ tem = ada_value_equal (arg1, arg2);
+ }
if (op == BINOP_NOTEQUAL)
tem = !tem;
type = language_bool_type (exp->language_defn, exp->gdbarch);
else if (ada_is_fixed_point_type (value_type (arg1)))
return value_cast (value_type (arg1), value_neg (arg1));
else
- return value_neg (arg1);
+ {
+ unop_promote (exp->language_defn, exp->gdbarch, &arg1);
+ return value_neg (arg1);
+ }
case BINOP_LOGICAL_AND:
case BINOP_LOGICAL_OR:
struct type *arr_type0 =
to_fixed_array_type (TYPE_TARGET_TYPE (value_type (array)),
NULL, 1);
- return ada_value_slice_ptr (array, arr_type0,
- longest_to_int (low_bound),
- longest_to_int (high_bound));
+ return ada_value_slice_from_ptr (array, arr_type0,
+ longest_to_int (low_bound),
+ longest_to_int (high_bound));
}
}
else if (noside == EVAL_AVOID_SIDE_EFFECTS)
case TYPE_CODE_RANGE:
arg2 = value_from_longest (type, TYPE_LOW_BOUND (type));
arg3 = value_from_longest (type, TYPE_HIGH_BOUND (type));
+ binop_promote (exp->language_defn, exp->gdbarch, &arg1, &arg2);
+ binop_promote (exp->language_defn, exp->gdbarch, &arg1, &arg3);
type = language_bool_type (exp->language_defn, exp->gdbarch);
return
value_from_longest (type,
arg3 = ada_array_bound (arg2, tem, 1);
arg2 = ada_array_bound (arg2, tem, 0);
+ binop_promote (exp->language_defn, exp->gdbarch, &arg1, &arg2);
+ binop_promote (exp->language_defn, exp->gdbarch, &arg1, &arg3);
type = language_bool_type (exp->language_defn, exp->gdbarch);
return
value_from_longest (type,
if (noside == EVAL_SKIP)
goto nosideret;
+ binop_promote (exp->language_defn, exp->gdbarch, &arg1, &arg2);
+ binop_promote (exp->language_defn, exp->gdbarch, &arg1, &arg3);
type = language_bool_type (exp->language_defn, exp->gdbarch);
return
value_from_longest (type,
else if (noside == EVAL_AVOID_SIDE_EFFECTS)
return value_zero (value_type (arg1), not_lval);
else
- return value_binop (arg1, arg2,
- op == OP_ATR_MIN ? BINOP_MIN : BINOP_MAX);
+ {
+ binop_promote (exp->language_defn, exp->gdbarch, &arg1, &arg2);
+ return value_binop (arg1, arg2,
+ op == OP_ATR_MIN ? BINOP_MIN : BINOP_MAX);
+ }
case OP_ATR_MODULUS:
{
arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside);
if (noside == EVAL_SKIP)
goto nosideret;
- else if (noside == EVAL_AVOID_SIDE_EFFECTS)
- return value_zero (builtin_type_int, not_lval);
+ type = builtin_type (exp->gdbarch)->builtin_int;
+ if (noside == EVAL_AVOID_SIDE_EFFECTS)
+ return value_zero (type, not_lval);
else
- return value_pos_atr (arg1);
+ return value_pos_atr (type, arg1);
case OP_ATR_SIZE:
arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside);
+ type = value_type (arg1);
+
+ /* If the argument is a reference, then dereference its type, since
+ the user is really asking for the size of the actual object,
+ not the size of the pointer. */
+ if (TYPE_CODE (type) == TYPE_CODE_REF)
+ type = TYPE_TARGET_TYPE (type);
+
if (noside == EVAL_SKIP)
goto nosideret;
else if (noside == EVAL_AVOID_SIDE_EFFECTS)
return value_zero (builtin_type_int32, not_lval);
else
return value_from_longest (builtin_type_int32,
- TARGET_CHAR_BIT
- * TYPE_LENGTH (value_type (arg1)));
+ TARGET_CHAR_BIT * TYPE_LENGTH (type));
case OP_ATR_VAL:
evaluate_subexp (NULL_TYPE, exp, pos, EVAL_SKIP);
else if (noside == EVAL_AVOID_SIDE_EFFECTS)
return value_zero (value_type (arg1), not_lval);
else
- return value_binop (arg1, arg2, op);
+ {
+ /* For integer exponentiation operations,
+ only promote the first argument. */
+ if (is_integral_type (value_type (arg2)))
+ unop_promote (exp->language_defn, exp->gdbarch, &arg1);
+ else
+ binop_promote (exp->language_defn, exp->gdbarch, &arg1, &arg2);
+
+ return value_binop (arg1, arg2, op);
+ }
case UNOP_PLUS:
arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside);
arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside);
if (noside == EVAL_SKIP)
goto nosideret;
+ unop_promote (exp->language_defn, exp->gdbarch, &arg1);
if (value_less (arg1, value_zero (value_type (arg1), not_lval)))
return value_neg (arg1);
else
return arg1;
case UNOP_IND:
- if (expect_type && TYPE_CODE (expect_type) == TYPE_CODE_PTR)
- expect_type = TYPE_TARGET_TYPE (ada_check_typedef (expect_type));
- arg1 = evaluate_subexp (expect_type, exp, pos, noside);
+ arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside);
if (noside == EVAL_SKIP)
goto nosideret;
type = ada_check_typedef (value_type (arg1));
return value_zero (type, lval_memory);
}
else if (TYPE_CODE (type) == TYPE_CODE_INT)
- /* GDB allows dereferencing an int. */
- return value_zero (builtin_type_int, lval_memory);
+ {
+ /* GDB allows dereferencing an int. */
+ if (expect_type == NULL)
+ return value_zero (builtin_type (exp->gdbarch)->builtin_int,
+ lval_memory);
+ else
+ {
+ expect_type =
+ to_static_fixed_type (ada_aligned_type (expect_type));
+ return value_zero (expect_type, lval_memory);
+ }
+ }
else
error (_("Attempt to take contents of a non-pointer value."));
}
arg1 = ada_coerce_ref (arg1); /* FIXME: What is this for?? */
type = ada_check_typedef (value_type (arg1));
+ if (TYPE_CODE (type) == TYPE_CODE_INT)
+ /* GDB allows dereferencing an int. If we were given
+ the expect_type, then use that as the target type.
+ Otherwise, assume that the target type is an int. */
+ {
+ if (expect_type != NULL)
+ return ada_value_ind (value_cast (lookup_pointer_type (expect_type),
+ arg1));
+ else
+ return value_at_lazy (builtin_type (exp->gdbarch)->builtin_int,
+ (CORE_ADDR) value_as_address (arg1));
+ }
+
if (ada_is_array_descriptor_type (type))
/* GDB allows dereferencing GNAT array descriptors. */
return ada_coerce_to_simple_array (arg1);
}
nosideret:
- return value_from_longest (builtin_type_long, (LONGEST) 1);
+ return value_from_longest (builtin_type_int8, (LONGEST) 1);
}
\f
char *subtype_info;
if (raw_type == NULL)
- base_type = builtin_type_int;
+ base_type = builtin_type_int32;
else if (TYPE_CODE (raw_type) == TYPE_CODE_RANGE)
base_type = TYPE_TARGET_TYPE (raw_type);
else
ULONGEST
ada_modulus (struct type * type)
{
- return (ULONGEST) TYPE_HIGH_BOUND (type) + 1;
+ return (ULONGEST) (unsigned int) TYPE_HIGH_BOUND (type) + 1;
}
\f
ex_catch_assert
};
+/* Ada's standard exceptions. */
+
+static char *standard_exc[] = {
+ "constraint_error",
+ "program_error",
+ "storage_error",
+ "tasking_error"
+};
+
typedef CORE_ADDR (ada_unhandled_exception_name_addr_ftype) (void);
/* A structure that describes how to support exception catchpoints
/* Find the first frame that contains debugging information and that is not
part of the Ada run-time, starting from FI and moving upward. */
-static void
+void
ada_find_printable_frame (struct frame_info *fi)
{
for (; fi != NULL; fi = get_prev_frame (fi))
print_one_exception (enum exception_catchpoint_kind ex,
struct breakpoint *b, CORE_ADDR *last_addr)
{
- if (addressprint)
+ struct value_print_options opts;
+
+ get_user_print_options (&opts);
+ if (opts.addressprint)
{
annotate_field (4);
ui_out_field_core_addr (uiout, "addr", b->loc->address);
static struct breakpoint_ops catch_exception_breakpoint_ops =
{
+ NULL, /* insert */
+ NULL, /* remove */
+ NULL, /* breakpoint_hit */
print_it_catch_exception,
print_one_catch_exception,
print_mention_catch_exception
}
static struct breakpoint_ops catch_exception_unhandled_breakpoint_ops = {
+ NULL, /* insert */
+ NULL, /* remove */
+ NULL, /* breakpoint_hit */
print_it_catch_exception_unhandled,
print_one_catch_exception_unhandled,
print_mention_catch_exception_unhandled
}
static struct breakpoint_ops catch_assert_breakpoint_ops = {
+ NULL, /* insert */
+ NULL, /* remove */
+ NULL, /* breakpoint_hit */
print_it_catch_assert,
print_one_catch_assert,
print_mention_catch_assert
static char *
ada_exception_catchpoint_cond_string (const char *exp_string)
{
+ int i;
+
+ /* The standard exceptions are a special case. They are defined in
+ runtime units that have been compiled without debugging info; if
+ EXP_STRING is the not-fully-qualified name of a standard
+ exception (e.g. "constraint_error") then, during the evaluation
+ of the condition expression, the symbol lookup on this name would
+ *not* return this standard exception. The catchpoint condition
+ may then be set only on user-defined exceptions which have the
+ same not-fully-qualified name (e.g. my_package.constraint_error).
+
+ To avoid this unexcepted behavior, these standard exceptions are
+ systematically prefixed by "standard". This means that "catch
+ exception constraint_error" is rewritten into "catch exception
+ standard.constraint_error".
+
+ If an exception named contraint_error is defined in another package of
+ the inferior program, then the only way to specify this exception as a
+ breakpoint condition is to use its fully-qualified named:
+ e.g. my_package.constraint_error. */
+
+ for (i = 0; i < sizeof (standard_exc) / sizeof (char *); i++)
+ {
+ if (strcmp (standard_exc [i], exp_string) == 0)
+ {
+ return xstrprintf ("long_integer (e) = long_integer (&standard.%s)",
+ exp_string);
+ }
+ }
return xstrprintf ("long_integer (e) = long_integer (&%s)", exp_string);
}
case_sensitive_on, /* Yes, Ada is case-insensitive, but
that's not quite what this means. */
array_row_major,
+ macro_expansion_no,
&ada_exp_descriptor,
parse,
ada_error,
ada_printstr, /* Function to print string constant */
emit_char, /* Function to print single char (not used) */
ada_print_type, /* Print a type using appropriate syntax */
+ default_print_typedef, /* Print a typedef using appropriate syntax */
ada_val_print, /* Print a value using appropriate syntax */
ada_value_print, /* Print a top-level value */
NULL, /* Language specific skip_trampoline */
projects / deliverable / binutils-gdb.git / blobdiff