/* Scheme/Guile language support routines for GDB, the GNU debugger.
Copyright (C) 1995, 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2007,
- 2008 Free Software Foundation, Inc.
+ 2008, 2009, 2010 Free Software Foundation, Inc.
This file is part of GDB.
#include "gdb_string.h"
#include "gdbcore.h"
#include "infcall.h"
+#include "objfiles.h"
extern void _initialize_scheme_language (void);
static struct value *evaluate_subexp_scm (struct type *, struct expression *,
int *, enum noside);
-static struct value *scm_lookup_name (char *);
+static struct value *scm_lookup_name (struct gdbarch *, char *);
static int in_eval_c (void);
-struct type *builtin_type_scm;
-
void
-scm_printchar (int c, struct ui_file *stream)
+scm_printchar (int c, struct type *type, struct ui_file *stream)
{
fprintf_filtered (stream, "#\\%c", c);
}
static void
-scm_printstr (struct ui_file *stream, const gdb_byte *string,
- unsigned int length, int width, int force_ellipses)
+scm_printstr (struct ui_file *stream, struct type *type, const gdb_byte *string,
+ unsigned int length, int force_ellipses,
+ const struct value_print_options *options)
{
fprintf_filtered (stream, "\"%s\"", string);
}
of the 0'th one. */
LONGEST
-scm_get_field (LONGEST svalue, int index)
+scm_get_field (LONGEST svalue, int index, int size,
+ enum bfd_endian byte_order)
{
gdb_byte buffer[20];
- read_memory (SCM2PTR (svalue) + index * TYPE_LENGTH (builtin_type_scm),
- buffer, TYPE_LENGTH (builtin_type_scm));
- return extract_signed_integer (buffer, TYPE_LENGTH (builtin_type_scm));
+ read_memory (SCM2PTR (svalue) + index * size, buffer, size);
+ return extract_signed_integer (buffer, size, byte_order);
}
/* Unpack a value of type TYPE in buffer VALADDR as an integer
{
if (is_scmvalue_type (type))
{
- LONGEST svalue = extract_signed_integer (valaddr, TYPE_LENGTH (type));
+ enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type));
+ LONGEST svalue
+ = extract_signed_integer (valaddr, TYPE_LENGTH (type), byte_order);
+
if (context == TYPE_CODE_BOOL)
{
if (svalue == SCM_BOOL_F)
function), then try lookup_symbol for compiled variables. */
static struct value *
-scm_lookup_name (char *str)
+scm_lookup_name (struct gdbarch *gdbarch, char *str)
{
struct value *args[3];
int len = strlen (str);
struct value *func;
struct value *val;
struct symbol *sym;
+
+ func = find_function_in_inferior ("scm_lookup_cstr", NULL);
+
args[0] = value_allocate_space_in_inferior (len);
- args[1] = value_from_longest (builtin_type_int, len);
+ args[1] = value_from_longest (builtin_type (gdbarch)->builtin_int, len);
write_memory (value_as_long (args[0]), (gdb_byte *) str, len);
if (in_eval_c ()
args[2] = value_of_variable (sym, expression_context_block);
else
/* FIXME in this case, we should try lookup_symbol first */
- args[2] = value_from_longest (builtin_type_scm, SCM_EOL);
+ args[2] = value_from_longest (builtin_scm_type (gdbarch)->builtin_scm,
+ SCM_EOL);
- func = find_function_in_inferior ("scm_lookup_cstr");
val = call_function_by_hand (func, 3, args);
if (!value_logical_not (val))
return value_ind (val);
write_memory (iaddr, (gdb_byte *) str, len);
/* FIXME - should find and pass env */
write_memory (iaddr + len, (gdb_byte *) "", 1);
- func = find_function_in_inferior ("scm_evstr");
+ func = find_function_in_inferior ("scm_evstr", NULL);
return call_function_by_hand (func, 1, &addr);
}
if (noside == EVAL_SKIP)
goto nosideret;
str = &exp->elts[pc + 2].string;
- return scm_lookup_name (str);
+ return scm_lookup_name (exp->gdbarch, str);
case OP_STRING:
pc = (*pos)++;
len = longest_to_int (exp->elts[pc + 1].longconst);
}
return evaluate_subexp_standard (expect_type, exp, pos, noside);
nosideret:
- return value_from_longest (builtin_type_long, (LONGEST) 1);
+ return value_from_longest (builtin_type (exp->gdbarch)->builtin_int, 1);
}
const struct exp_descriptor exp_descriptor_scm =
type_check_off,
case_sensitive_off,
array_row_major,
+ macro_expansion_no,
&exp_descriptor_scm,
scm_parse,
c_error,
scm_printstr, /* Function to print string constant */
NULL, /* Function to print a single character */
c_print_type, /* Print a type using appropriate syntax */
+ default_print_typedef, /* Print a typedef using appropriate syntax */
scm_val_print, /* Print a value using appropriate syntax */
scm_value_print, /* Print a top-level value */
NULL, /* Language specific skip_trampoline */
c_language_arch_info,
default_print_array_index,
default_pass_by_reference,
+ default_get_string,
LANG_MAGIC
};
+static void *
+build_scm_types (struct gdbarch *gdbarch)
+{
+ struct builtin_scm_type *builtin_scm_type
+ = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_scm_type);
+
+ builtin_scm_type->builtin_scm
+ = arch_integer_type (gdbarch, gdbarch_long_bit (gdbarch), 0, "SCM");
+
+ return builtin_scm_type;
+}
+
+static struct gdbarch_data *scm_type_data;
+
+const struct builtin_scm_type *
+builtin_scm_type (struct gdbarch *gdbarch)
+{
+ return gdbarch_data (gdbarch, scm_type_data);
+}
+
void
_initialize_scheme_language (void)
{
+ scm_type_data = gdbarch_data_register_post_init (build_scm_types);
+
add_language (&scm_language_defn);
- builtin_type_scm =
- init_type (TYPE_CODE_INT,
- gdbarch_long_bit (current_gdbarch) / TARGET_CHAR_BIT,
- 0, "SCM", (struct objfile *) NULL);
}
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