| tracechild.cc (8229:78bf55f23338) | tracechild.cc (11321:02e930db812d) |
|---|---|
| 1/* 2 * Copyright (c) 2007 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 257 unchanged lines hidden (view full) --- 266 cargv = ptrace(PTRACE_PEEKDATA, pid, sp, 0); 267 sprintf(obuf, "0x%016lx: argv[%d] = 0x%016lx\n", 268 sp, argCount++, cargv); 269 if (cargv) 270 if (highestInfo < cargv) 271 highestInfo = cargv; 272 os << obuf; 273 sp += 8; | 1/* 2 * Copyright (c) 2007 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 257 unchanged lines hidden (view full) --- 266 cargv = ptrace(PTRACE_PEEKDATA, pid, sp, 0); 267 sprintf(obuf, "0x%016lx: argv[%d] = 0x%016lx\n", 268 sp, argCount++, cargv); 269 if (cargv) 270 if (highestInfo < cargv) 271 highestInfo = cargv; 272 os << obuf; 273 sp += 8; |
| 274 } while(cargv); | 274 } while (cargv); |
| 275 276 //Output the envp pointers 277 int envCount = 0; 278 uint64_t cenvp; 279 do { 280 cenvp = ptrace(PTRACE_PEEKDATA, pid, sp, 0); 281 sprintf(obuf, "0x%016lx: envp[%d] = 0x%016lx\n", 282 sp, envCount++, cenvp); 283 os << obuf; 284 sp += 8; | 275 276 //Output the envp pointers 277 int envCount = 0; 278 uint64_t cenvp; 279 do { 280 cenvp = ptrace(PTRACE_PEEKDATA, pid, sp, 0); 281 sprintf(obuf, "0x%016lx: envp[%d] = 0x%016lx\n", 282 sp, envCount++, cenvp); 283 os << obuf; 284 sp += 8; |
| 285 } while(cenvp); | 285 } while (cenvp); |
| 286 uint64_t auxType, auxVal; 287 do { 288 auxType = ptrace(PTRACE_PEEKDATA, pid, sp, 0); 289 sp += 8; 290 auxVal = ptrace(PTRACE_PEEKDATA, pid, sp, 0); 291 sp += 8; 292 sprintf(obuf, "0x%016lx: Auxiliary vector = {0x%016lx, 0x%016lx}\n", 293 sp - 16, auxType, auxVal); 294 os << obuf; | 286 uint64_t auxType, auxVal; 287 do { 288 auxType = ptrace(PTRACE_PEEKDATA, pid, sp, 0); 289 sp += 8; 290 auxVal = ptrace(PTRACE_PEEKDATA, pid, sp, 0); 291 sp += 8; 292 sprintf(obuf, "0x%016lx: Auxiliary vector = {0x%016lx, 0x%016lx}\n", 293 sp - 16, auxType, auxVal); 294 os << obuf; |
| 295 } while(auxType != 0 || auxVal != 0); | 295 } while (auxType != 0 || auxVal != 0); |
| 296 //Print out the argument strings, environment strings, and file name. 297 string current; 298 uint64_t buf; 299 uint64_t currentStart = sp; 300 bool clearedInitialPadding = false; 301 do { 302 buf = ptrace(PTRACE_PEEKDATA, pid, sp, 0); 303 char * cbuf = (char *)&buf; --- 20 unchanged lines hidden (view full) --- 324 uint64_t rip = getPC(); 325 bool foundOpcode = false; 326 bool twoByteOpcode = false; 327 for (;;) { 328 uint64_t buf = ptrace(PTRACE_PEEKDATA, pid, rip, 0); 329 for (int i = 0; i < sizeof(uint64_t); i++) { 330 unsigned char byte = buf & 0xFF; 331 if (!foundOpcode) { | 296 //Print out the argument strings, environment strings, and file name. 297 string current; 298 uint64_t buf; 299 uint64_t currentStart = sp; 300 bool clearedInitialPadding = false; 301 do { 302 buf = ptrace(PTRACE_PEEKDATA, pid, sp, 0); 303 char * cbuf = (char *)&buf; --- 20 unchanged lines hidden (view full) --- 324 uint64_t rip = getPC(); 325 bool foundOpcode = false; 326 bool twoByteOpcode = false; 327 for (;;) { 328 uint64_t buf = ptrace(PTRACE_PEEKDATA, pid, rip, 0); 329 for (int i = 0; i < sizeof(uint64_t); i++) { 330 unsigned char byte = buf & 0xFF; 331 if (!foundOpcode) { |
| 332 if(!(byte == 0x66 || //operand override | 332 if (!(byte == 0x66 || //operand override |
| 333 byte == 0x67 || //address override 334 byte == 0x2E || //cs 335 byte == 0x3E || //ds 336 byte == 0x26 || //es 337 byte == 0x64 || //fs 338 byte == 0x65 || //gs 339 byte == 0x36 || //ss 340 byte == 0xF0 || //lock --- 49 unchanged lines hidden (view full) --- 390 //Put things back to the way they started 391 ptrace(PTRACE_POKEDATA, pid, ripAfterSyscall, buf); 392 } else { 393 //Get all the way past repe and repne string instructions in one shot. 394 uint64_t newPC, origPC = getPC(); 395 do { 396 ptraceSingleStep(); 397 newPC = getPC(); | 333 byte == 0x67 || //address override 334 byte == 0x2E || //cs 335 byte == 0x3E || //ds 336 byte == 0x26 || //es 337 byte == 0x64 || //fs 338 byte == 0x65 || //gs 339 byte == 0x36 || //ss 340 byte == 0xF0 || //lock --- 49 unchanged lines hidden (view full) --- 390 //Put things back to the way they started 391 ptrace(PTRACE_POKEDATA, pid, ripAfterSyscall, buf); 392 } else { 393 //Get all the way past repe and repne string instructions in one shot. 394 uint64_t newPC, origPC = getPC(); 395 do { 396 ptraceSingleStep(); 397 newPC = getPC(); |
| 398 } while(newPC == origPC); | 398 } while (newPC == origPC); |
| 399 } 400} 401 402TraceChild * genTraceChild() 403{ 404 return new AMD64TraceChild; 405} | 399 } 400} 401 402TraceChild * genTraceChild() 403{ 404 return new AMD64TraceChild; 405} |