4 * Miscellaneous utility functions.
6 * Copyright (c) 2005 Nathan Keynes.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
19 #define HAVE_EXECINFO_H 1
34 #include "dreamcast.h"
39 #include <android/log.h>
40 static int android_log_levels[] = {ANDROID_LOG_FATAL, ANDROID_LOG_ERROR, ANDROID_LOG_WARN, ANDROID_LOG_INFO, ANDROID_LOG_DEBUG, ANDROID_LOG_VERBOSE};
43 char *msg_levels[] = { "FATAL", "ERROR", "WARN", "INFO", "DEBUG", "TRACE" };
44 int global_msg_level = EMIT_WARN;
46 static void report_crash( int signo, siginfo_t *info, void *ptr )
50 fprintf( stderr, "--- Aborting with signal %d ---\n", signo );
52 // Get gdb to print a nice backtrace for us
54 snprintf( buf, 128, "echo bt | gdb --quiet --pid=%d", getpid() );
56 snprintf( buf, 128, "gdb -batch -f --quiet --pid=%d -ex bt", getpid() );
63 void install_crash_handler(void)
67 sa.sa_sigaction = report_crash;
68 sigemptyset(&sa.sa_mask);
69 sa.sa_flags = SA_RESETHAND|SA_SIGINFO;
70 sigaction( SIGSEGV, &sa, NULL );
71 sigaction( SIGILL, &sa, NULL );
72 sigaction( SIGBUS, &sa, NULL );
76 void fwrite_string( const char *s, FILE *f )
80 fwrite( &len, sizeof(len), 1, f );
83 fwrite( &len, sizeof(len), 1, f );
84 fwrite( s, len, 1, f );
88 int fread_string( char *s, int maxlen, FILE *f )
91 fread( &len, sizeof(len), 1, f );
93 fread( s, len > maxlen ? maxlen : len, 1, f );
98 int fwrite_gzip( void *p, size_t sz, size_t count, FILE *f )
100 uLongf size = sz*count;
101 uLongf csize = ((int)(size*1.001))+13;
102 unsigned char *tmp = g_malloc0( csize );
103 int status = compress( tmp, &csize, p, size );
104 assert( status == Z_OK );
105 uint32_t wsize = (uint32_t)csize;
106 fwrite( &wsize, sizeof(wsize), 1, f );
107 int written = fwrite( tmp, csize, 1, f );
110 /* Could be finer-grained, but this is enough to know it succeeded/failed */
118 int fread_gzip( void *p, size_t sz, size_t count, FILE *f )
120 uLongf size = sz*count;
124 fread( &csize, sizeof(csize), 1, f );
125 assert( csize <= (size*2) );
126 tmp = g_malloc0( csize );
127 fread( tmp, csize, 1, f );
128 int status = uncompress( p, &size, tmp, csize );
130 if( status == Z_OK ) {
133 fprintf( stderr, "Error reading compressed data\n" );
138 void fwrite_dump( unsigned char *data, unsigned int length, FILE *f )
141 for( i =0; i<length; i+=16 ) {
142 fprintf( f, "%08X:", i);
143 for( j=i; j<i+16; j++ ) {
147 fprintf( f, " %02X", (unsigned int)(data[j]) );
152 for( j=i; j<i+16 && j<length; j++ ) {
153 fprintf( f, "%c", isprint(data[j]) ? data[j] : '.' );
159 void fwrite_dump32( unsigned int *data, unsigned int length, FILE *f )
161 fwrite_dump32v( data, length, 8, f );
164 void fwrite_dump32v( unsigned int *data, unsigned int length, int wordsPerLine, FILE *f )
167 for( i =0; i<length>>2; i+=wordsPerLine ) {
168 fprintf( f, "%08X:", i);
169 for( j=i; j<i+wordsPerLine; j++ ) {
171 fprintf( f, " %08X", (unsigned int)(data[j]) );
179 gboolean write_png_to_stream( FILE *f, frame_buffer_t buffer )
183 png_structp png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
188 png_infop info_ptr = png_create_info_struct(png_ptr);
190 png_destroy_write_struct(&png_ptr, NULL);
194 if( setjmp(png_jmpbuf(png_ptr)) ) {
195 png_destroy_write_struct(&png_ptr, &info_ptr);
198 png_init_io( png_ptr, f );
199 switch( buffer->colour_format ) {
201 coltype = PNG_COLOR_TYPE_RGB;
203 case COLFMT_BGRA8888:
204 coltype = PNG_COLOR_TYPE_RGB_ALPHA;
207 coltype = PNG_COLOR_TYPE_RGB;
210 coltype = PNG_COLOR_TYPE_RGB;
212 png_set_IHDR(png_ptr, info_ptr, buffer->width, buffer->height,
213 8, coltype, PNG_INTERLACE_NONE,
214 PNG_COMPRESSION_TYPE_DEFAULT,
215 PNG_FILTER_TYPE_DEFAULT );
216 png_write_info(png_ptr, info_ptr);
217 if( buffer->colour_format == COLFMT_BGR0888 ) {
218 png_set_filler(png_ptr, 0, PNG_FILLER_AFTER);
220 png_set_bgr(png_ptr);
221 if( buffer->inverted ) {
222 p = (png_bytep)(buffer->data + (buffer->height*buffer->rowstride) - buffer->rowstride);
223 for(i=0; i<buffer->height; i++ ) {
224 png_write_row(png_ptr, p);
225 p-=buffer->rowstride;
228 p = (png_bytep)buffer->data;
229 for(i=0; i<buffer->height; i++ ) {
230 png_write_row(png_ptr, p);
231 p+=buffer->rowstride;
234 png_write_end(png_ptr, info_ptr);
235 png_destroy_write_struct(&png_ptr, &info_ptr);
239 frame_buffer_t read_png_from_stream( FILE *f )
243 png_structp png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING,
249 png_infop info_ptr = png_create_info_struct(png_ptr);
251 png_destroy_read_struct(&png_ptr, NULL, NULL);
255 png_infop end_info = png_create_info_struct(png_ptr);
257 png_destroy_read_struct(&png_ptr, &info_ptr, NULL );
261 if( setjmp(png_jmpbuf(png_ptr)) ) {
262 png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
266 png_init_io(png_ptr, f);
267 png_read_info(png_ptr, info_ptr);
269 png_uint_32 width, height;
270 int bit_depth, color_type, interlace_type,
271 compression_type, filter_method;
272 png_get_IHDR(png_ptr, info_ptr, &width, &height,
273 &bit_depth, &color_type, &interlace_type,
274 &compression_type, &filter_method);
275 assert( interlace_type == PNG_INTERLACE_NONE );
276 int rowbytes = png_get_rowbytes(png_ptr, info_ptr);
277 int channels = png_get_channels(png_ptr, info_ptr);
278 frame_buffer_t buffer = g_malloc( sizeof(struct frame_buffer) + rowbytes*height );
279 buffer->data = (unsigned char *)(buffer+1);
280 buffer->width = width;
281 buffer->height = height;
282 buffer->rowstride = rowbytes;
283 buffer->address = -1;
284 buffer->size = rowbytes*height;
285 buffer->inverted = FALSE;
286 if( channels == 4 ) {
287 buffer->colour_format = COLFMT_BGRA8888;
288 } else if( channels == 3 ) {
289 buffer->colour_format = COLFMT_RGB888;
292 p = (png_bytep)buffer->data;
293 for( i=0; i<height; i++ ) {
294 png_read_row(png_ptr, p, NULL );
298 png_read_end(png_ptr, end_info);
299 png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
303 int get_log_level_from_string( const gchar *str )
305 switch( tolower(str[0]) ) {
306 case 'd': return EMIT_DEBUG;
307 case 'e': return EMIT_ERR;
308 case 'f': return EMIT_FATAL;
309 case 'i': return EMIT_INFO;
310 case 't': return EMIT_TRACE;
311 case 'w': return EMIT_WARN;
316 gboolean set_global_log_level( const gchar *str )
318 int l = get_log_level_from_string(str);
322 global_msg_level = l;
327 void log_message( void *ptr, int level, const gchar *source, const char *msg, ... )
330 time_t tm = time(NULL);
333 if( level > global_msg_level ) {
338 gchar *text = g_strdup_vprintf( msg, ap );
341 if( level <= EMIT_ERR ) {
342 if( gui_error_dialog( text ) ) {
344 // If we're running, halt on error to avoid potentially flooding
345 // the user with error messages.
346 if( dreamcast_is_running() ) {
353 strftime( buf, sizeof(buf), "%H:%M:%S", localtime(&tm) );
355 __android_log_print(android_log_levels[level], "lxdream", "%s %08X %s\n", buf, sh4r.pc, text );
357 fprintf( stderr, "%s %08X %-5s %s\n", buf, sh4r.pc, msg_levels[level], text );
.