summaryrefslogtreecommitdiff
path: root/src/gallium/auxiliary/util/p_debug.c
blob: c51e9e6a692b253e5c65eb4963987589778d094c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
/**************************************************************************
 * 
 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
 * All Rights Reserved.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 **************************************************************************/


#include <stdarg.h>

#ifdef WIN32
#include <windows.h>
#include <winddi.h>
#else
#include <stdio.h>
#include <stdlib.h>
#endif

#include "pipe/p_compiler.h" 
#include "pipe/p_util.h" 
#include "pipe/p_debug.h" 


#ifdef WIN32
static INLINE void 
rpl_EngDebugPrint(const char *format, ...)
{
   va_list ap;
   va_start(ap, format);
   EngDebugPrint("", (PCHAR)format, ap);
   va_end(ap);
}

int rpl_vsnprintf(char *, size_t, const char *, va_list);
int rpl_snprintf(char *str, size_t size, const char *format, ...);
#define vsnprintf rpl_vsnprintf
#define snprintf rpl_snprintf
#endif


void debug_vprintf(const char *format, va_list ap)
{
#ifdef WIN32
#ifndef WINCE
   /* EngDebugPrint does not handle float point arguments, so we need to use
    * our own vsnprintf implementation */
   char buf[512 + 1];
   rpl_vsnprintf(buf, sizeof(buf), format, ap);
   rpl_EngDebugPrint("%s", buf);
#else
   /* TODO: Implement debug print for WINCE */
#endif
#else
   vfprintf(stderr, format, ap);
#endif
}


void debug_printf(const char *format, ...)
{
   va_list ap;
   va_start(ap, format);
   debug_vprintf(format, ap);
   va_end(ap);
}


void debug_print_blob( const char *name,
                       const void *blob,
                       unsigned size )
{
   const unsigned *ublob = (const unsigned *)blob;
   unsigned i;

   debug_printf("%s (%d dwords%s)\n", name, size/4,
                size%4 ? "... plus a few bytes" : "");

   for (i = 0; i < size/4; i++) {
      debug_printf("%d:\t%08x\n", i, ublob[i]);
   }
}


/* TODO: implement a debug_abort that calls EngBugCheckEx on WIN32 */


static INLINE void debug_break(void) 
{
#if (defined(__i386__) || defined(__386__)) && defined(__GNUC__)
   __asm("int3");
#elif (defined(__i386__) || defined(__386__)) && defined(__MSC__)
   _asm {int 3};
#elif defined(WIN32) && !defined(WINCE)
   EngDebugBreak();
#else
   abort();
#endif
}

#if defined(WIN32)
ULONG_PTR debug_config_file = 0;
void *mapped_config_file = 0;

enum {
	eAssertAbortEn = 0x1,
};

/* Check for aborts enabled. */
static unsigned abort_en()
{
   if (!mapped_config_file)
   {
      /* Open an 8 byte file for configuration data. */
      mapped_config_file = EngMapFile(L"\\??\\c:\\gaDebug.cfg", 8, &debug_config_file);
   }

   /* A value of "0" (ascii) in the configuration file will clear the
    * first 8 bits in the test byte. 
    *
    * A value of "1" (ascii) in the configuration file will set the
    * first bit in the test byte. 
    *
    * A value of "2" (ascii) in the configuration file will set the
    * second bit in the test byte. 
    *
    * Currently the only interesting values are 0 and 1, which clear
    * and set abort-on-assert behaviour respectively.
    */
   return ((((char *)mapped_config_file)[0]) - 0x30) & eAssertAbortEn;
}
#else /* WIN32 */
static unsigned abort_en()
{
   return !GETENV("GALLIUM_ABORT_ON_ASSERT");
}
#endif

void debug_assert_fail(const char *expr, const char *file, unsigned line) 
{
   debug_printf("%s:%i: Assertion `%s' failed.\n", file, line, expr);
   if (abort_en())
   {
      debug_break();
   } else
   {
      debug_printf("continuing...\n");
   }
}


#define DEBUG_MASK_TABLE_SIZE 256


/**
 * Mask hash table.
 * 
 * For now we just take the lower bits of the key, and do no attempt to solve
 * collisions. Use a proper hash table when we have dozens of drivers. 
 */
static uint32_t debug_mask_table[DEBUG_MASK_TABLE_SIZE];


void debug_mask_set(uint32_t uuid, uint32_t mask) 
{
   unsigned hash = uuid & (DEBUG_MASK_TABLE_SIZE - 1);
   debug_mask_table[hash] = mask;
}


uint32_t debug_mask_get(uint32_t uuid)
{
   unsigned hash = uuid & (DEBUG_MASK_TABLE_SIZE - 1);
   return debug_mask_table[hash];
}


void debug_mask_vprintf(uint32_t uuid, uint32_t what, const char *format, va_list ap)
{
   uint32_t mask = debug_mask_get(uuid);
   if(mask & what)
      debug_vprintf(format, ap);
}


const char *
debug_dump_enum(const struct debug_named_value *names, 
                unsigned long value)
{
   static char rest[256];
   
   while(names->name) {
      if(names->value == value)
	 return names->name;
      ++names;
   }

   snprintf(rest, sizeof(rest), "0x%08x", value);
   return rest;
}


const char *
debug_dump_flags(const struct debug_named_value *names, 
                 unsigned long value)
{
   static char output[4096];
   static char rest[256];
   int first = 1;

   output[0] = '\0';

   while(names->name) {
      if((names->value & value) == names->value) {
	 if (!first)
	    strncat(output, "|", sizeof(output));
	 else
	    first = 0;
	 strncat(output, names->name, sizeof(output));
	 value &= ~names->value;
      }
      ++names;
   }
   
   if (value) {
      if (!first)
	 strncat(output, "|", sizeof(output));
      else
	 first = 0;
      
      snprintf(rest, sizeof(rest), "0x%08x", value);
      strncat(output, rest, sizeof(output));
   }
   
   if(first)
      return "0";
   
   return output;
}