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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370
| #include <stdio.h>
#include <windows.h>
#include <dbghelp.h>
#define ERR(str) \
do { \
LPTSTR msg; \
char *disp; \
size_t l; \
DWORD err; \
err = GetLastError(); \
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, \
NULL, err, 0, (LPTSTR)&msg, 0, NULL); \
l = strlen(msg) + strlen("(00000) ") + 1; \
disp = (char *)malloc(l * sizeof(char)); \
snprintf(disp, l, "(%5ld) %s", err, msg); \
fprintf(stderr, "%s %s", str, disp); \
LocalFree(msg); \
}while (0)
#define STACKWALK_MAX_NAMELEN 1024
typedef enum
{
SW_CALLSTACK_ENTRY_FIRST,
SW_CALLSTACK_ENTRY_NEXT,
SW_CALLSTACK_ENTRY_LAST
} Sw_Callstack_Entry;
typedef enum
{
SW_MODULE_TYPE_NONE,
SW_MODULE_TYPE_COFF,
SW_MODULE_TYPE_CODE_VIEW,
SW_MODULE_TYPE_PDB,
SW_MODULE_TYPE_EXPORTED,
SW_MODULE_TYPE_DEFERRED,
SW_MODULE_TYPE_SYM,
SW_MODULE_TYPE_DIA,
SW_MODULE_TYPE_VIRTUAL,
SW_MODULE_TYPE_DEFAULT
} Sw_Module_Type;
typedef struct _IMAGEHLP_MODULE64_V2 IMAGEHLP_MODULE64_V2;
struct _IMAGEHLP_MODULE64_V2
{
DWORD SizeOfStruct;
DWORD64 BaseOfImage;
DWORD ImageSize;
DWORD TimeDateStamp;
DWORD CheckSum;
DWORD NumSyms;
SYM_TYPE SymType;
CHAR ModuleName[32];
CHAR ImageName[256];
CHAR LoadedImageName[256];
};
typedef struct _Sw_Data Sw_Data;
typedef struct _Sw Sw;
struct _Sw_Data
{
char name[STACKWALK_MAX_NAMELEN];
char undecorated_name[STACKWALK_MAX_NAMELEN];
char undecorated_fullname[STACKWALK_MAX_NAMELEN];
DWORD64 offset_from_symbol;
DWORD offset_from_line;
DWORD line_nbr;
CHAR line_filename[STACKWALK_MAX_NAMELEN];
Sw_Module_Type module_type;
CHAR module_name[STACKWALK_MAX_NAMELEN];
DWORD64 base_of_image;
CHAR loaded_image_name[STACKWALK_MAX_NAMELEN];
};
struct _Sw
{
HANDLE proc; /* processus handle */
};
Sw *
sw_init(HANDLE proc)
{
char filename[MAX_PATH];
Sw *sw;
DWORD options;
sw = (Sw *)calloc(1, sizeof(Sw));
if (!sw)
return NULL;
if (!proc)
sw->proc = GetCurrentProcess();
if (!SymInitialize(sw->proc, NULL, TRUE))
goto free_sw;
options = SymGetOptions();
SymSetOptions(options | SYMOPT_LOAD_LINES | SYMOPT_FAIL_CRITICAL_ERRORS);
/* if (!GetModuleFileName(0, filename, sizeof(filename))) */
/* goto cleanup_dbghelp; */
return sw;
/* cleanup_dbghelp: */
free_sw:
free(sw);
return NULL;
}
BOOL __stdcall _sw_read_memory_cb(HANDLE hProcess,
DWORD64 qwBaseAddress,
PVOID lpBuffer,
DWORD nSize,
LPDWORD lpNumberOfBytesRead)
{
SIZE_T st;
BOOL ret;
/* FIXME: cast... */
ret = ReadProcessMemory(hProcess, (LPVOID)(DWORD)qwBaseAddress, lpBuffer, nSize, &st);
*lpNumberOfBytesRead = (DWORD)st;
return ret;
}
/* FIXME: Context is passed when managing exception stuff */
void
sw_print(Sw *sw, HANDLE thread, const CONTEXT *context)
{
CONTEXT ctx;
Sw_Data sw_data;
STACKFRAME64 s;
IMAGEHLP_LINE64 line;
IMAGEHLP_MODULE64 module;
IMAGEHLP_SYMBOL64 *sym;
void *data;
DWORD arch;
int frame_num;
if (!sw)
return;
/* Set the context */
if (!context)
{
if (!thread || (thread == GetCurrentThread()))
{
memset(&ctx, 0, sizeof(CONTEXT));
ctx.ContextFlags = CONTEXT_FULL;
RtlCaptureContext(&ctx);
}
else
{
SuspendThread(thread);
memset(&ctx, 0, sizeof(CONTEXT));
ctx.ContextFlags = CONTEXT_FULL;
if (!GetThreadContext(thread, &ctx))
{
ResumeThread(thread);
return;
}
}
}
else
ctx = *context;
/* Init the first stack frame */
memset(&s, 0, sizeof(s));
#ifdef _M_IX86
/* normally, call ImageNtHeader() and use machine info from PE header */
arch = IMAGE_FILE_MACHINE_I386;
s.AddrPC.Offset = ctx.Eip;
s.AddrPC.Mode = AddrModeFlat;
s.AddrFrame.Offset = ctx.Ebp;
s.AddrFrame.Mode = AddrModeFlat;
s.AddrStack.Offset = ctx.Esp;
s.AddrStack.Mode = AddrModeFlat;
#elif _M_X64
arch = IMAGE_FILE_MACHINE_AMD64;
s.AddrPC.Offset = ctx.Rip;
s.AddrPC.Mode = AddrModeFlat;
s.AddrFrame.Offset = ctx.Rsp;
s.AddrFrame.Mode = AddrModeFlat;
s.AddrStack.Offset = ctx.Rsp;
s.AddrStack.Mode = AddrModeFlat;
#elif _M_IA64
arch = IMAGE_FILE_MACHINE_IA64;
s.AddrPC.Offset = ctx.StIIP;
s.AddrPC.Mode = AddrModeFlat;
s.AddrFrame.Offset = ctx.IntSp;
s.AddrFrame.Mode = AddrModeFlat;
s.AddrBStore.Offset = ctx.RsBSP;
s.AddrBStore.Mode = AddrModeFlat;
s.AddrStack.Offset = ctx.IntSp;
s.AddrStack.Mode = AddrModeFlat;
#else
# error "Platform not supported!"
#endif
sym = (IMAGEHLP_SYMBOL64 *)calloc(1, sizeof(IMAGEHLP_SYMBOL64) + STACKWALK_MAX_NAMELEN);
if (!sym)
goto resume_thread;
sym->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL64);
sym->MaxNameLength = STACKWALK_MAX_NAMELEN;
memset(&line, 0, sizeof(line));
line.SizeOfStruct = sizeof(line);
memset(&module, 0, sizeof(module));
module.SizeOfStruct = sizeof(module);
for (frame_num = 0; ; frame_num++)
{
/* Sw_Callstack_Entry e; */
printf(" -- %d\n", frame_num);
if (!StackWalk64(arch, sw->proc, thread, &s, &ctx,
_sw_read_memory_cb,
SymFunctionTableAccess64,
SymGetModuleBase64,
NULL))
{
printf("StackWalk64() failed\n");
break;
}
sw_data.name[0] = '\0';
sw_data.undecorated_name[0] = '\0';
sw_data.undecorated_fullname[0] = '\0';
sw_data.offset_from_symbol = 0;
sw_data.offset_from_line = 0;
sw_data.line_nbr = 0;
sw_data.line_filename[0] = '\0';
sw_data.module_type = SW_MODULE_TYPE_NONE;
sw_data.module_name[0] = '\0';
sw_data.base_of_image = 0;
sw_data.loaded_image_name[0] = '\0';
if (s.AddrPC.Offset == s.AddrReturn.Offset)
{
printf("StackWalk64-Endless-Callstack!");
break;
}
if (s.AddrPC.Offset != 0)
{
/* Name */
if (SymGetSymFromAddr64(sw->proc, s.AddrPC.Offset,
&(sw_data.offset_from_symbol), sym))
{
memcpy(sw_data.name, sym->Name, strlen(sym->Name) + 1);
UnDecorateSymbolName(sym->Name, sw_data.undecorated_name,
STACKWALK_MAX_NAMELEN, UNDNAME_NAME_ONLY);
UnDecorateSymbolName(sym->Name, sw_data.undecorated_fullname,
STACKWALK_MAX_NAMELEN, UNDNAME_COMPLETE);
}
else
{
ERR("SymGetSymFromAddr64() failed");
}
/* Line */
if (SymGetLineFromAddr64(sw->proc, s.AddrPC.Offset, &(sw_data.offset_from_line), &line))
{
sw_data.line_nbr = line.LineNumber;
memcpy(sw_data.line_filename, line.FileName, strlen(line.FileName) + 1);
}
else
{
ERR("SymGetLineFromAddr64() failed");
}
/* Module */
/* intermediate varaible to avoid overflow (bug in v6.3.5.1) */
data = malloc(4096);
if (data)
{
memcpy(data, &module, sizeof(module));
if (SymGetModuleInfo64(sw->proc, s.AddrPC.Offset, (IMAGEHLP_MODULE64 *)data))
{
memcpy(&module, data, sizeof(IMAGEHLP_MODULE64));
switch (module.SymType)
{
case SymNone:
sw_data.module_type = SW_MODULE_TYPE_NONE;
break;
case SymCoff:
sw_data.module_type = SW_MODULE_TYPE_COFF;
break;
case SymCv:
sw_data.module_type = SW_MODULE_TYPE_CODE_VIEW;
break;
case SymPdb:
sw_data.module_type = SW_MODULE_TYPE_PDB;
break;
case SymExport:
sw_data.module_type = SW_MODULE_TYPE_EXPORTED;
break;
case SymDeferred:
sw_data.module_type = SW_MODULE_TYPE_DEFERRED;
break;
case SymSym:
sw_data.module_type = SW_MODULE_TYPE_SYM;
break;
case SymDia:
sw_data.module_type = SW_MODULE_TYPE_DIA;
break;
case SymVirtual:
sw_data.module_type = SW_MODULE_TYPE_VIRTUAL;
break;
default:
sw_data.module_type = SW_MODULE_TYPE_DEFAULT;
break;
}
memcpy(sw_data.module_name, module.ModuleName, strlen(module.ModuleName) + 1);
sw_data.base_of_image = module.BaseOfImage;
memcpy(sw_data.loaded_image_name, module.LoadedImageName, strlen(module.LoadedImageName) + 1);
}
else
{
ERR("SymGetModuleInfo64 failed");
}
free(data);
}
else
{
printf("not enough memory...\n");
}
}
/* e = SW_CALLSTACK_ENTRY_NEXT; */
/* if (frame_num == 0) */
/* e = SW_CALLSTACK_ENTRY_FIRST; */
/* callstack_entry(e, cse); */
if (s.AddrReturn.Offset == 0)
{
/* callstack_entry(SW_CALLSTACK_ENTRY_LAST, cse); */
break;
}
}
return;
resume_thread:
printf("error\n");
if (!context)
ResumeThread(thread);
}
void fct(Sw *sw)
{
sw_print(sw, NULL, NULL);
}
int main()
{
Sw *sw;
sw = sw_init(NULL);
fct(sw);
return 0;
} |
Partager