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/**********************************************************************
debug.c -
$Author$
created at: 04/08/25 02:31:54 JST
Copyright (C) 2004-2007 Koichi Sasada
**********************************************************************/
#include "ruby/config.h"
#include <stdio.h>
#include "eval_intern.h"
#include "id.h"
#include "internal/signal.h"
#include "internal/util.h"
#include "ruby/encoding.h"
#include "ruby/io.h"
#include "ruby/ruby.h"
#include "ruby/util.h"
#include "symbol.h"
#include "vm_core.h"
#include "vm_debug.h"
/* This is the only place struct RIMemo is actually used */
struct RIMemo {
VALUE flags;
VALUE v0;
VALUE v1;
VALUE v2;
VALUE v3;
};
/* for gdb */
const union {
enum ruby_special_consts special_consts;
enum ruby_value_type value_type;
enum ruby_tag_type tag_type;
enum node_type node_type;
enum ruby_method_ids method_ids;
enum ruby_id_types id_types;
enum ruby_fl_type fl_types;
enum ruby_encoding_consts encoding_consts;
enum ruby_coderange_type enc_coderange_types;
enum ruby_econv_flag_type econv_flag_types;
enum ruby_robject_flags robject_flags;
enum ruby_rmodule_flags rmodule_flags;
enum ruby_rstring_flags rstring_flags;
enum ruby_rarray_flags rarray_flags;
enum {
RUBY_FMODE_READABLE = FMODE_READABLE,
RUBY_FMODE_WRITABLE = FMODE_WRITABLE,
RUBY_FMODE_READWRITE = FMODE_READWRITE,
RUBY_FMODE_BINMODE = FMODE_BINMODE,
RUBY_FMODE_SYNC = FMODE_SYNC,
RUBY_FMODE_TTY = FMODE_TTY,
RUBY_FMODE_DUPLEX = FMODE_DUPLEX,
RUBY_FMODE_APPEND = FMODE_APPEND,
RUBY_FMODE_CREATE = FMODE_CREATE,
RUBY_FMODE_NOREVLOOKUP = 0x00000100,
RUBY_FMODE_TRUNC = FMODE_TRUNC,
RUBY_FMODE_TEXTMODE = FMODE_TEXTMODE,
RUBY_FMODE_PREP = 0x00010000,
RUBY_FMODE_SETENC_BY_BOM = FMODE_SETENC_BY_BOM,
RUBY_FMODE_UNIX = 0x00200000,
RUBY_FMODE_INET = 0x00400000,
RUBY_FMODE_INET6 = 0x00800000,
RUBY_NODE_TYPESHIFT = NODE_TYPESHIFT,
RUBY_NODE_TYPEMASK = NODE_TYPEMASK,
RUBY_NODE_LSHIFT = NODE_LSHIFT,
RUBY_NODE_FL_NEWLINE = NODE_FL_NEWLINE
} various;
union {
enum imemo_type types;
enum {RUBY_IMEMO_MASK = IMEMO_MASK} mask;
struct RIMemo *ptr;
} imemo;
struct RSymbol *symbol_ptr;
enum vm_call_flag_bits vm_call_flags;
} ruby_dummy_gdb_enums;
const SIGNED_VALUE RUBY_NODE_LMASK = NODE_LMASK;
int
ruby_debug_print_indent(int level, int debug_level, int indent_level)
{
if (level < debug_level) {
fprintf(stderr, "%*s", indent_level, "");
fflush(stderr);
return TRUE;
}
return FALSE;
}
void
ruby_debug_printf(const char *format, ...)
{
va_list ap;
va_start(ap, format);
vfprintf(stderr, format, ap);
va_end(ap);
}
#include "gc.h"
VALUE
ruby_debug_print_value(int level, int debug_level, const char *header, VALUE obj)
{
if (level < debug_level) {
char buff[0x100];
rb_raw_obj_info(buff, 0x100, obj);
fprintf(stderr, "DBG> %s: %s\n", header, buff);
fflush(stderr);
}
return obj;
}
void
ruby_debug_print_v(VALUE v)
{
ruby_debug_print_value(0, 1, "", v);
}
ID
ruby_debug_print_id(int level, int debug_level, const char *header, ID id)
{
if (level < debug_level) {
fprintf(stderr, "DBG> %s: %s\n", header, rb_id2name(id));
fflush(stderr);
}
return id;
}
NODE *
ruby_debug_print_node(int level, int debug_level, const char *header, const NODE *node)
{
if (level < debug_level) {
fprintf(stderr, "DBG> %s: %s (%u)\n", header,
ruby_node_name(nd_type(node)), nd_line(node));
}
return (NODE *)node;
}
void
ruby_debug_breakpoint(void)
{
/* */
}
#if defined _WIN32
# if RUBY_MSVCRT_VERSION >= 80
extern int ruby_w32_rtc_error;
# endif
#endif
#if defined _WIN32 || defined __CYGWIN__
#include <windows.h>
UINT ruby_w32_codepage[2];
#endif
extern int ruby_rgengc_debug;
extern int ruby_on_ci;
int
ruby_env_debug_option(const char *str, int len, void *arg)
{
int ov;
size_t retlen;
unsigned long n;
#define SET_WHEN(name, var, val) do { \
if (len == sizeof(name) - 1 && \
strncmp(str, (name), len) == 0) { \
(var) = (val); \
return 1; \
} \
} while (0)
#define NAME_MATCH_VALUE(name) \
((size_t)len >= sizeof(name)-1 && \
strncmp(str, (name), sizeof(name)-1) == 0 && \
((len == sizeof(name)-1 && !(len = 0)) || \
(str[sizeof(name)-1] == '=' && \
(str += sizeof(name), len -= sizeof(name), 1))))
#define SET_UINT(val) do { \
n = ruby_scan_digits(str, len, 10, &retlen, &ov); \
if (!ov && retlen) { \
val = (unsigned int)n; \
} \
str += retlen; \
len -= retlen; \
} while (0)
#define SET_UINT_LIST(name, vals, num) do { \
int i; \
for (i = 0; i < (num); ++i) { \
SET_UINT((vals)[i]); \
if (!len || *str != ':') break; \
++str; \
--len; \
} \
if (len > 0) { \
fprintf(stderr, "ignored "name" option: `%.*s'\n", len, str); \
} \
} while (0)
#define SET_WHEN_UINT(name, vals, num, req) \
if (NAME_MATCH_VALUE(name)) SET_UINT_LIST(name, vals, num);
SET_WHEN("gc_stress", *ruby_initial_gc_stress_ptr, Qtrue);
SET_WHEN("core", ruby_enable_coredump, 1);
SET_WHEN("ci", ruby_on_ci, 1);
if (NAME_MATCH_VALUE("rgengc")) {
if (!len) ruby_rgengc_debug = 1;
else SET_UINT_LIST("rgengc", &ruby_rgengc_debug, 1);
return 1;
}
#if defined _WIN32
# if RUBY_MSVCRT_VERSION >= 80
SET_WHEN("rtc_error", ruby_w32_rtc_error, 1);
# endif
#endif
#if defined _WIN32 || defined __CYGWIN__
if (NAME_MATCH_VALUE("codepage")) {
if (!len) fprintf(stderr, "missing codepage argument");
else SET_UINT_LIST("codepage", ruby_w32_codepage, numberof(ruby_w32_codepage));
return 1;
}
#endif
return 0;
}
static void
set_debug_option(const char *str, int len, void *arg)
{
if (!ruby_env_debug_option(str, len, arg)) {
fprintf(stderr, "unexpected debug option: %.*s\n", len, str);
}
}
void
ruby_set_debug_option(const char *str)
{
ruby_each_words(str, set_debug_option, 0);
}
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