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-rw-r--r--gdb/ada-lang.c122
1 files changed, 80 insertions, 42 deletions
diff --git a/gdb/ada-lang.c b/gdb/ada-lang.c
index ad5ec1c..2520b8e 100644
--- a/gdb/ada-lang.c
+++ b/gdb/ada-lang.c
@@ -623,30 +623,51 @@ ada_translate_error_message (const char *string)
return string;
}
+/* Note: would have used MAX_OF_TYPE and MIN_OF_TYPE macros from
+ gdbtypes.h, but some of the necessary definitions in that file
+ seem to have gone missing. */
+
+/* Maximum value of a SIZE-byte signed integer type. */
static LONGEST
-MAX_OF_SIZE (int size)
+max_of_size (int size)
{
LONGEST top_bit = (LONGEST) 1 << (size * 8 - 2);
return top_bit | (top_bit - 1);
}
+/* Minimum value of a SIZE-byte signed integer type. */
static LONGEST
-MIN_OF_SIZE (int size)
+min_of_size (int size)
{
- return -MAX_OF_SIZE (size) - 1;
+ return -max_of_size (size) - 1;
}
+/* Maximum value of a SIZE-byte unsigned integer type. */
static ULONGEST
-UMAX_OF_SIZE (int size)
+umax_of_size (int size)
{
ULONGEST top_bit = (ULONGEST) 1 << (size * 8 - 1);
return top_bit | (top_bit - 1);
}
-static ULONGEST
-UMIN_OF_SIZE (int size)
+/* Maximum value of integral type T, as a signed quantity. */
+static LONGEST
+max_of_type (struct type *t)
{
- return 0;
+ if (TYPE_UNSIGNED (t))
+ return (LONGEST) umax_of_size (TYPE_LENGTH (t));
+ else
+ return max_of_size (TYPE_LENGTH (t));
+}
+
+/* Minimum value of integral type T, as a signed quantity. */
+static LONGEST
+min_of_type (struct type *t)
+{
+ if (TYPE_UNSIGNED (t))
+ return 0;
+ else
+ return min_of_size (TYPE_LENGTH (t));
}
/* The largest value in the domain of TYPE, a discrete type, as an integer. */
@@ -664,7 +685,7 @@ discrete_type_high_bound (struct type *type)
TYPE_FIELD_BITPOS (type,
TYPE_NFIELDS (type) - 1));
case TYPE_CODE_INT:
- return value_from_longest (type, MAX_OF_TYPE (type));
+ return value_from_longest (type, max_of_type (type));
default:
error ("Unexpected type in discrete_type_high_bound.");
}
@@ -682,7 +703,7 @@ discrete_type_low_bound (struct type *type)
case TYPE_CODE_ENUM:
return value_from_longest (type, TYPE_FIELD_BITPOS (type, 0));
case TYPE_CODE_INT:
- return value_from_longest (type, MIN_OF_TYPE (type));
+ return value_from_longest (type, min_of_type (type));
default:
error ("Unexpected type in discrete_type_low_bound.");
}
@@ -3444,8 +3465,8 @@ possible_user_operator_p (enum exp_opcode op, struct value *args[])
|| TYPE_CODE (TYPE_TARGET_TYPE (type0)) != TYPE_CODE_ARRAY))
|| (TYPE_CODE (type1) != TYPE_CODE_ARRAY
&& (TYPE_CODE (type1) != TYPE_CODE_PTR
- || (TYPE_CODE (TYPE_TARGET_TYPE (type1)) !=
- TYPE_CODE_ARRAY))));
+ || (TYPE_CODE (TYPE_TARGET_TYPE (type1))
+ != TYPE_CODE_ARRAY))));
case BINOP_EXP:
return (!(numeric_type_p (type0) && integer_type_p (type1)));
@@ -3535,24 +3556,36 @@ ada_simple_renamed_entity (struct symbol *sym)
static struct value *
ensure_lval (struct value *val, CORE_ADDR *sp)
{
- CORE_ADDR old_sp = *sp;
-
- if (VALUE_LVAL (val))
- return val;
-
- if (DEPRECATED_STACK_ALIGN_P ())
- *sp = push_bytes (*sp, VALUE_CONTENTS_RAW (val),
- DEPRECATED_STACK_ALIGN
- (TYPE_LENGTH (check_typedef (VALUE_TYPE (val)))));
- else
- *sp = push_bytes (*sp, VALUE_CONTENTS_RAW (val),
- TYPE_LENGTH (check_typedef (VALUE_TYPE (val))));
+ if (! VALUE_LVAL (val))
+ {
+ int len = TYPE_LENGTH (check_typedef (VALUE_TYPE (val)));
+
+ /* The following is taken from the structure-return code in
+ call_function_by_hand. FIXME: Therefore, some refactoring seems
+ indicated. */
+ if (INNER_THAN (1, 2))
+ {
+ /* Stack grows downward. Align SP and VALUE_ADDRESS (val) after
+ reserving sufficient space. */
+ *sp -= len;
+ if (gdbarch_frame_align_p (current_gdbarch))
+ *sp = gdbarch_frame_align (current_gdbarch, *sp);
+ VALUE_ADDRESS (val) = *sp;
+ }
+ else
+ {
+ /* Stack grows upward. Align the frame, allocate space, and
+ then again, re-align the frame. */
+ if (gdbarch_frame_align_p (current_gdbarch))
+ *sp = gdbarch_frame_align (current_gdbarch, *sp);
+ VALUE_ADDRESS (val) = *sp;
+ *sp += len;
+ if (gdbarch_frame_align_p (current_gdbarch))
+ *sp = gdbarch_frame_align (current_gdbarch, *sp);
+ }
- VALUE_LVAL (val) = lval_memory;
- if (INNER_THAN (1, 2))
- VALUE_ADDRESS (val) = *sp;
- else
- VALUE_ADDRESS (val) = old_sp;
+ write_memory (VALUE_ADDRESS (val), VALUE_CONTENTS_RAW (val), len);
+ }
return val;
}
@@ -5620,7 +5653,9 @@ ada_finish_decode_line_1 (char **spec, struct symtab *file_table,
val.section = SYMBOL_BFD_SECTION (msymbol);
if (funfirstline)
{
- val.pc += DEPRECATED_FUNCTION_START_OFFSET;
+ val.pc = gdbarch_convert_from_func_ptr_addr (current_gdbarch,
+ val.pc,
+ &current_target);
SKIP_PROLOGUE (val.pc);
}
selected.sals = (struct symtab_and_line *)
@@ -6735,8 +6770,8 @@ ada_is_variant_part (struct type *type, int field_num)
struct type *field_type = TYPE_FIELD_TYPE (type, field_num);
return (TYPE_CODE (field_type) == TYPE_CODE_UNION
|| (is_dynamic_field (type, field_num)
- && TYPE_CODE (TYPE_TARGET_TYPE (field_type)) ==
- TYPE_CODE_UNION));
+ && (TYPE_CODE (TYPE_TARGET_TYPE (field_type))
+ == TYPE_CODE_UNION)));
}
/* Assuming that VAR_TYPE is a variant wrapper (type of the variant part)
@@ -8464,7 +8499,8 @@ ada_enum_name (const char *name)
but stop searching when we hit an overloading suffix, which is
of the form "__" followed by digits. */
- if ((tmp = strrchr (name, '.')) != NULL)
+ tmp = strrchr (name, '.');
+ if (tmp != NULL)
name = tmp + 1;
else
{
@@ -8500,8 +8536,10 @@ ada_enum_name (const char *name)
}
else
{
- if ((tmp = strstr (name, "__")) != NULL
- || (tmp = strstr (name, "$")) != NULL)
+ tmp = strstr (name, "__");
+ if (tmp == NULL)
+ tmp = strstr (name, "$");
+ if (tmp != NULL)
{
GROW_VECT (result, result_len, tmp - name + 1);
strncpy (result, name, tmp - name);
@@ -10169,7 +10207,7 @@ const struct language_defn ada_language_defn = {
};
static void
-build_ada_types (void)
+build_ada_types (struct gdbarch *current_gdbarch)
{
builtin_type_ada_int =
init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
@@ -10213,17 +10251,17 @@ void
_initialize_ada_language (void)
{
- build_ada_types ();
- deprecated_register_gdbarch_swap (NULL, 0, build_ada_types);
+ build_ada_types (current_gdbarch);
+ gdbarch_data_register_post_init (build_ada_types);
add_language (&ada_language_defn);
varsize_limit = 65536;
#ifdef GNAT_GDB
- add_show_from_set
- (add_set_cmd ("varsize-limit", class_support, var_uinteger,
- (char *) &varsize_limit,
- "Set maximum bytes in dynamic-sized object.",
- &setlist), &showlist);
+ add_setshow_uinteger_cmd ("varsize-limit", class_support,
+ &varsize_limit, "\
+Set the maximum number of bytes allowed in a dynamic-sized object.", "\
+Show the maximum number of bytes allowed in a dynamic-sized object.",
+ NULL, NULL, &setlist, &showlist);
obstack_init (&cache_space);
#endif /* GNAT_GDB */
generated by cgit v1.1 at 2024-12-13 23:53:29 +0000