3 * @author Michael Beck, Sebastian Hack
12 #include "firm_config.h"
18 #define DBG(x) _LC_DBG(x)
19 #define DB(x) _LC_DB(x)
21 #include <libcore/lc_debug.h>
23 /* use the newer debug implementation in libcore */
24 typedef lc_dbg_module_t firm_dbg_module_t;
26 extern firm_dbg_module_t *firm_dbg_register(const char *name);
28 #define firm_dbg_set_mask(module, mask) lc_dbg_set_mask(module, mask)
29 #define firm_dbg_get_mask(module) lc_dbg_get_mask(module)
30 #define firm_dbg_set_file(module, file) lc_dbg_set_file(module, file)
32 #define LEVEL_DEFAULT LC_LEVEL_DEFAULT
33 #define LEVEL_1 LC_LEVEL_1
34 #define LEVEL_2 LC_LEVEL_2
35 #define LEVEL_3 LC_LEVEL_3
36 #define LEVEL_4 LC_LEVEL_4
37 #define LEVEL_5 LC_LEVEL_5
38 #define SET_LEVEL_0 LC_SET_LEVEL_0
39 #define SET_LEVEL_1 LC_SET_LEVEL_1
40 #define SET_LEVEL_2 LC_SET_LEVEL_2
41 #define SET_LEVEL_3 LC_SET_LEVEL_3
42 #define SET_LEVEL_4 LC_SET_LEVEL_4
43 #define SET_LEVEL_5 LC_SET_LEVEL_5
44 #define SET_LEVEL_ALL LC_SET_LEVEL_ALL
46 #else /* DEBUG_libfirm */
51 #define firm_dbg_set_mask(module, mask)
52 #define firm_dbg_get_mask(module)
53 #define firm_dbg_set_file(module, file)
55 #endif /* DEBUG_libfirm */
58 #else /* WITH_LIBCORE */
59 /* use the builtin debug implementation */
63 enum firm_dbg_level_t {
64 LEVEL_DEFAULT = 0, /**< Prints always. Use with DBG(). */
71 SET_LEVEL_0 = 0, /**< use with firm_dbg_set_mask(). */
77 SET_LEVEL_ALL = SET_LEVEL_5
80 typedef struct _firm_dbg_module_t firm_dbg_module_t;
82 /* Internal function to the debug module. */
83 void *_firm_dbg_make_msg(const firm_dbg_module_t *mod, unsigned mask, const char *fmt, ...);
85 /* Internal function to the debug module. */
86 void _firm_dbg_print_msg(const char *filename, int line, const char *func, void *data);
88 /* Internal function to the debug module. */
89 void _firm_dbg_print(const firm_dbg_module_t *mod, unsigned mask, const char *fmt, ...);
92 * Register a module to the firm debug facility.
93 * If the module has already been registered, no new module is allocated
94 * but the handle is returned. By default, all messages go to @c stderr
95 * and the debug mask is set to 0, i.e. the module is muted.
96 * @param name The name of the module to register.
97 * @return The module handle.
99 firm_dbg_module_t *firm_dbg_register(const char *name);
102 * Set the mask of a module.
103 * @param module The module.
104 * @param mask The new mask for the module.
106 void firm_dbg_set_mask(firm_dbg_module_t *module, unsigned mask);
109 * Get the mask of a module.
110 * @param module The module handle.
111 * @return The mask currently used by the module.
113 unsigned firm_dbg_get_mask(const firm_dbg_module_t *module);
116 * Set the output file of a module.
117 * @param module The module handle.
118 * @param file The new file to use by this handle.
120 void firm_dbg_set_file(firm_dbg_module_t *module, FILE *file);
122 #define _DBG_MAIN(func,args) \
123 _firm_dbg_print_msg(__FILE__, __LINE__, func, _firm_dbg_make_msg args)
125 /* If we have C99 use the __func__ variable for calling functions name. */
126 #if defined(__STD_VERSION__) && __STD_VERSION >= 199901L
127 #define _DBG(args) _DBG_MAIN(__func__, args)
130 /* Else, check for gcc and use the proprietary __FUNCTION__ macro. */
132 #define _DBG(args) _DBG_MAIN(__FUNCTION__, args)
135 /* Else go without the name of the calling function. */
136 #define _DBG(args) _DBG_MAIN("", args)
137 #endif /* __GNUC__ */
138 #endif /* __STD_VERSION__ ... */
140 #define _DB(args) _firm_dbg_print args
143 * Debug messages issued with this macro are always printed, even in
147 #define DBG_RETAIL(args) _DBG(args)
148 #define DB_RETAIL(args) _DB(args)
152 * Issue a debug message.
153 * @param args The arguments.
155 * The arguments is a list surrounded by parentheses. The items
157 * - The module handle as returned by firm_dbg_register().
158 * - The debug mask that you want associate with this message.
159 * - A format string for the message to pass to ir_printf().
160 * - Further optional arguments are passed to ir_printf().
162 * The mask is anded against the module's mask. If both have some bits
163 * in common, the message is issued. If the given mask is 0, the message
164 * is always dumped regardless of the module's mask. You can also use
165 * the mask in a level based manner, see firm_dbg_level_t.
167 * Here is an example:
169 * DBG((my_mod, MASK_ERR, "ir node %n is not green", node))
171 * DBG((my_mod, LEVEL_DEFAULT, "entity %e has type %t", ent, type))
174 #define DBG(args) _DBG(args)
175 #define DB(args) _DB(args)
180 #endif /* DEBUG_libfirm */
182 #endif /* WITH_LIBCORE */
184 /* some more macros to handle often used cases */
187 /** create a debug handle in debug mode */
188 #define FIRM_DBG_REGISTER(handle, name) handle = firm_dbg_register(name)
189 #define DEBUG_ONLY(code) code
190 #define RELEASE_ONLY(code)
194 /** create a debug handle in release mode */
195 #define FIRM_DBG_REGISTER(handle, name)
196 #define DEBUG_ONLY(code)
197 #define RELEASE_ONLY(code) code
199 #endif /* DEBUG_libfirm */
201 #endif /* _FIRM_DEBUG_H */