output.c revision f3db07a81593f9a19d9fb576cd02b5572b8fd823
1#include "config.h" 2 3#include <stdio.h> 4#include <stdlib.h> 5#include <stdarg.h> 6#include <string.h> 7#include <time.h> 8#include <sys/time.h> 9#include <unistd.h> 10 11#include "common.h" 12#include "proc.h" 13#include "library.h" 14 15/* TODO FIXME XXX: include in common.h: */ 16extern struct timeval current_time_spent; 17 18Dict *dict_opt_c = NULL; 19 20static Process *current_proc = 0; 21static int current_depth = 0; 22static int current_column = 0; 23 24static void 25output_indent(Process *proc) { 26 current_column += 27 fprintf(options.output, "%*s", options.indent * proc->callstack_depth, ""); 28} 29 30static void 31begin_of_line(enum tof type, Process *proc) { 32 current_column = 0; 33 if (!proc) { 34 return; 35 } 36 if ((options.output != stderr) && (opt_p || options.follow)) { 37 current_column += fprintf(options.output, "%u ", proc->pid); 38 } else if (options.follow) { 39 current_column += fprintf(options.output, "[pid %u] ", proc->pid); 40 } 41 if (opt_r) { 42 struct timeval tv; 43 struct timezone tz; 44 static struct timeval old_tv = { 0, 0 }; 45 struct timeval diff; 46 47 gettimeofday(&tv, &tz); 48 49 if (old_tv.tv_sec == 0 && old_tv.tv_usec == 0) { 50 old_tv.tv_sec = tv.tv_sec; 51 old_tv.tv_usec = tv.tv_usec; 52 } 53 diff.tv_sec = tv.tv_sec - old_tv.tv_sec; 54 if (tv.tv_usec >= old_tv.tv_usec) { 55 diff.tv_usec = tv.tv_usec - old_tv.tv_usec; 56 } else { 57 diff.tv_sec--; 58 diff.tv_usec = 1000000 + tv.tv_usec - old_tv.tv_usec; 59 } 60 old_tv.tv_sec = tv.tv_sec; 61 old_tv.tv_usec = tv.tv_usec; 62 current_column += fprintf(options.output, "%3lu.%06d ", 63 diff.tv_sec, (int)diff.tv_usec); 64 } 65 if (opt_t) { 66 struct timeval tv; 67 struct timezone tz; 68 69 gettimeofday(&tv, &tz); 70 if (opt_t > 2) { 71 current_column += fprintf(options.output, "%lu.%06d ", 72 tv.tv_sec, (int)tv.tv_usec); 73 } else if (opt_t > 1) { 74 struct tm *tmp = localtime(&tv.tv_sec); 75 current_column += 76 fprintf(options.output, "%02d:%02d:%02d.%06d ", 77 tmp->tm_hour, tmp->tm_min, tmp->tm_sec, 78 (int)tv.tv_usec); 79 } else { 80 struct tm *tmp = localtime(&tv.tv_sec); 81 current_column += fprintf(options.output, "%02d:%02d:%02d ", 82 tmp->tm_hour, tmp->tm_min, 83 tmp->tm_sec); 84 } 85 } 86 if (opt_i) { 87 if (type == LT_TOF_FUNCTION || type == LT_TOF_FUNCTIONR) { 88 current_column += fprintf(options.output, "[%p] ", 89 proc->return_addr); 90 } else { 91 current_column += fprintf(options.output, "[%p] ", 92 proc->instruction_pointer); 93 } 94 } 95 if (options.indent > 0 && type != LT_TOF_NONE) { 96 output_indent(proc); 97 } 98} 99 100static Function * 101name2func(char const *name) { 102 Function *tmp; 103 const char *str1, *str2; 104 105 tmp = list_of_functions; 106 while (tmp) { 107#ifdef USE_DEMANGLE 108 str1 = options.demangle ? my_demangle(tmp->name) : tmp->name; 109 str2 = options.demangle ? my_demangle(name) : name; 110#else 111 str1 = tmp->name; 112 str2 = name; 113#endif 114 if (!strcmp(str1, str2)) { 115 116 return tmp; 117 } 118 tmp = tmp->next; 119 } 120 return NULL; 121} 122 123void 124output_line(Process *proc, char *fmt, ...) { 125 va_list args; 126 127 if (options.summary) { 128 return; 129 } 130 if (current_proc) { 131 if (current_proc->callstack[current_depth].return_addr) { 132 fprintf(options.output, " <unfinished ...>\n"); 133 } else { 134 fprintf(options.output, " <no return ...>\n"); 135 } 136 } 137 current_proc = 0; 138 if (!fmt) { 139 return; 140 } 141 begin_of_line(LT_TOF_NONE, proc); 142 143 va_start(args, fmt); 144 vfprintf(options.output, fmt, args); 145 fprintf(options.output, "\n"); 146 va_end(args); 147 current_column = 0; 148} 149 150static void 151tabto(int col) { 152 if (current_column < col) { 153 fprintf(options.output, "%*s", col - current_column, ""); 154 } 155} 156 157void 158output_left(enum tof type, struct Process *proc, 159 struct library_symbol *libsym) 160{ 161 const char *function_name = libsym->name; 162 Function *func; 163 static arg_type_info *arg_unknown = NULL; 164 if (arg_unknown == NULL) 165 arg_unknown = lookup_prototype(ARGTYPE_UNKNOWN); 166 167 if (options.summary) { 168 return; 169 } 170 if (current_proc) { 171 fprintf(options.output, " <unfinished ...>\n"); 172 current_column = 0; 173 } 174 current_proc = proc; 175 current_depth = proc->callstack_depth; 176 begin_of_line(type, proc); 177#ifdef USE_DEMANGLE 178 current_column += 179 fprintf(options.output, "%s->%s(", libsym->lib->name, 180 (options.demangle 181 ? my_demangle(function_name) : function_name)); 182#else 183 current_column += fprintf(options.output, "%s->%s(", 184 libsym->lib->name, function_name); 185#endif 186 187 func = name2func(function_name); 188 if (!func) { 189 int i; 190 for (i = 0; i < 4; i++) { 191 current_column += 192 display_arg(type, proc, i, arg_unknown); 193 current_column += fprintf(options.output, ", "); 194 } 195 current_column += display_arg(type, proc, 4, arg_unknown); 196 return; 197 } else { 198 int i; 199 for (i = 0; i < func->num_params - func->params_right - 1; i++) { 200 current_column += 201 display_arg(type, proc, i, func->arg_info[i]); 202 current_column += fprintf(options.output, ", "); 203 } 204 if (func->num_params > func->params_right) { 205 current_column += 206 display_arg(type, proc, i, func->arg_info[i]); 207 if (func->params_right) { 208 current_column += fprintf(options.output, ", "); 209 } 210 } 211 if (func->params_right 212 || func->return_info->type == ARGTYPE_STRING_N 213 || func->return_info->type == ARGTYPE_ARRAY) { 214 save_register_args(type, proc); 215 } 216 } 217} 218 219void 220output_right(enum tof type, struct Process *proc, struct library_symbol *libsym) 221{ 222 const char *function_name = libsym->name; 223 Function *func = name2func(function_name); 224 static arg_type_info *arg_unknown = NULL; 225 if (arg_unknown == NULL) 226 arg_unknown = lookup_prototype(ARGTYPE_UNKNOWN); 227 228 if (options.summary) { 229 struct opt_c_struct *st; 230 if (!dict_opt_c) { 231 dict_opt_c = 232 dict_init(dict_key2hash_string, 233 dict_key_cmp_string); 234 } 235 st = dict_find_entry(dict_opt_c, function_name); 236 if (!st) { 237 char *na; 238 st = malloc(sizeof(struct opt_c_struct)); 239 na = strdup(function_name); 240 if (!st || !na) { 241 perror("malloc()"); 242 exit(1); 243 } 244 st->count = 0; 245 st->tv.tv_sec = st->tv.tv_usec = 0; 246 dict_enter(dict_opt_c, na, st); 247 } 248 if (st->tv.tv_usec + current_time_spent.tv_usec > 1000000) { 249 st->tv.tv_usec += current_time_spent.tv_usec - 1000000; 250 st->tv.tv_sec++; 251 } else { 252 st->tv.tv_usec += current_time_spent.tv_usec; 253 } 254 st->count++; 255 st->tv.tv_sec += current_time_spent.tv_sec; 256 257// fprintf(options.output, "%s <%lu.%06d>\n", function_name, 258// current_time_spent.tv_sec, (int)current_time_spent.tv_usec); 259 return; 260 } 261 if (current_proc && (current_proc != proc || 262 current_depth != proc->callstack_depth)) { 263 fprintf(options.output, " <unfinished ...>\n"); 264 current_proc = 0; 265 } 266 if (current_proc != proc) { 267 begin_of_line(type, proc); 268#ifdef USE_DEMANGLE 269 current_column += 270 fprintf(options.output, "<... %s resumed> ", 271 options.demangle ? my_demangle(function_name) : function_name); 272#else 273 current_column += 274 fprintf(options.output, "<... %s resumed> ", function_name); 275#endif 276 } 277 278 if (!func) { 279 current_column += fprintf(options.output, ") "); 280 tabto(options.align - 1); 281 fprintf(options.output, "= "); 282 display_arg(type, proc, -1, arg_unknown); 283 } else { 284 int i; 285 for (i = func->num_params - func->params_right; 286 i < func->num_params - 1; i++) { 287 current_column += 288 display_arg(type, proc, i, func->arg_info[i]); 289 current_column += fprintf(options.output, ", "); 290 } 291 if (func->params_right) { 292 current_column += 293 display_arg(type, proc, i, func->arg_info[i]); 294 } 295 current_column += fprintf(options.output, ") "); 296 tabto(options.align - 1); 297 fprintf(options.output, "= "); 298 if (func->return_info->type == ARGTYPE_VOID) { 299 fprintf(options.output, "<void>"); 300 } else { 301 display_arg(type, proc, -1, func->return_info); 302 } 303 } 304 if (opt_T) { 305 fprintf(options.output, " <%lu.%06d>", 306 current_time_spent.tv_sec, 307 (int)current_time_spent.tv_usec); 308 } 309 fprintf(options.output, "\n"); 310 311#if defined(HAVE_LIBUNWIND) 312 if (options.bt_depth > 0) { 313 unw_cursor_t cursor; 314 unw_word_t ip, sp; 315 int unwind_depth = options.bt_depth; 316 char fn_name[100]; 317 318 unw_init_remote(&cursor, proc->unwind_as, proc->unwind_priv); 319 while (unwind_depth) { 320 unw_get_reg(&cursor, UNW_REG_IP, &ip); 321 unw_get_reg(&cursor, UNW_REG_SP, &sp); 322 unw_get_proc_name(&cursor, fn_name, 100, NULL); 323 fprintf(options.output, "\t\t\t%s (ip = 0x%lx)\n", fn_name, (long) ip); 324 if (unw_step(&cursor) <= 0) 325 break; 326 unwind_depth--; 327 } 328 fprintf(options.output, "\n"); 329 } 330#endif /* defined(HAVE_LIBUNWIND) */ 331 332 current_proc = 0; 333 current_column = 0; 334} 335