1 #ifndef DEBUG_H 2 #define DEBUG_H 3 /* Debug - debug stuff 4 ** 5 ** Initial version by Axel Dörfler, axeld@pinc-software.de 6 ** This file may be used under the terms of the OpenBeOS License. 7 */ 8 9 10 #include <KernelExport.h> 11 12 #ifdef DEBUG 13 # include <string.h> 14 #endif 15 16 #ifdef USER 17 # include <stdio.h> 18 # define __out printf 19 #else 20 # include <null.h> 21 # define __out dprintf 22 #endif 23 24 // Which debugger should be used when? 25 // The DEBUGGER() macro actually has no effect if DEBUG is not defined, 26 // use the DIE() macro if you really want to die. 27 #ifdef DEBUG 28 # ifdef USER 29 # define DEBUGGER(x) debugger x 30 # else 31 # define DEBUGGER(x) kernel_debugger x 32 # endif 33 #else 34 # define DEBUGGER(x) ; 35 #endif 36 37 #ifdef USER 38 # define DIE(x) debugger x 39 #else 40 # define DIE(x) kernel_debugger x 41 #endif 42 43 // Short overview over the debug output macros: 44 // PRINT() 45 // is for general messages that very unlikely should appear in a release build 46 // FATAL() 47 // this is for fatal messages, when something has really gone wrong 48 // INFORM() 49 // general information, as disk size, etc. 50 // REPORT_ERROR(status_t) 51 // prints out error information 52 // RETURN_ERROR(status_t) 53 // calls REPORT_ERROR() and return the value 54 // D() 55 // the statements in D() are only included if DEBUG is defined 56 57 #ifdef DEBUG 58 #define PRINT(x) { __out("bfs: "); __out x; } 59 #define REPORT_ERROR(status) \ 60 __out("bfs: %s:%d: %s\n", __FUNCTION__, __LINE__, strerror(status)); 61 #define RETURN_ERROR(err) { status_t _status = err; if (_status < B_OK) REPORT_ERROR(_status); return _status;} 62 #define FATAL(x) { __out("bfs: "); __out x; } 63 #define INFORM(x) { __out("bfs: "); __out x; } 64 // #define FUNCTION() __out("bfs: %s()\n",__FUNCTION__); 65 #define FUNCTION_START(x) { __out("bfs: %s() ",__FUNCTION__); __out x; } 66 #define FUNCTION() ; 67 // #define FUNCTION_START(x) ; 68 #define D(x) {x;}; 69 #define ASSERT(x) { if (!(x)) DEBUGGER(("bfs: assert failed: " #x "\n")); } 70 #else 71 #define PRINT(x) ; 72 #define REPORT_ERROR(status) ; 73 #define RETURN_ERROR(status) return status; 74 #define FATAL(x) { __out("bfs: "); __out x; } 75 #define INFORM(x) { __out("bfs: "); __out x; } 76 #define FUNCTION() ; 77 #define FUNCTION_START(x) ; 78 #define D(x) ; 79 #define ASSERT(x) ; 80 #endif 81 82 #ifdef DEBUG 83 struct block_run; 84 struct bplustree_header; 85 struct bplustree_node; 86 struct data_stream; 87 struct bfs_inode; 88 struct disk_super_block; 89 class Volume; 90 91 // some structure dump functions 92 extern void dump_block_run(const char *prefix, block_run &run); 93 extern void dump_super_block(disk_super_block *superBlock); 94 extern void dump_data_stream(data_stream *stream); 95 extern void dump_inode(bfs_inode *inode); 96 extern void dump_bplustree_header(bplustree_header *header); 97 extern void dump_bplustree_node(bplustree_node *node,bplustree_header *header = NULL,Volume *volume = NULL); 98 extern void dump_block(const char *buffer, int size); 99 #endif 100 101 #endif /* DEBUG_H */ 102