diff options
Diffstat (limited to 'debug.c')
| -rw-r--r-- | debug.c | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/debug.c b/debug.c new file mode 100644 index 0000000000..a54be27152 --- /dev/null +++ b/debug.c @@ -0,0 +1,229 @@ +/********************************************************************** + + debug.c - + + $Author$ + created at: 04/08/25 02:31:54 JST + + Copyright (C) 2004-2007 Koichi Sasada + +**********************************************************************/ + +#include "ruby/ruby.h" +#include "ruby/encoding.h" +#include "ruby/io.h" +#include "ruby/util.h" +#include "vm_debug.h" +#include "eval_intern.h" +#include "vm_core.h" +#include "symbol.h" +#include "id.h" + +/* 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); +} |