Chromium Code Reviews Chromium Code Reviews
Issue 2008253004:
Refactor rel32 searching process for x64 to make it more similar to x86. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master| OLD | NEW |
|---|---|
| (Empty) | |
| 1 # Test target validity: only accept target RVA in [1000, 3000). | |
| 2 | |
| 3 # Processor type | |
| 4 x64 | |
| 5 # .text start RVA and end RVA | |
| 6 1000 | |
| 7 3000 | |
| 8 # .reloc start RVA and end RVA | |
| 9 3800 | |
| 10 4000 | |
| 11 # End RVA | |
| 12 5000 | |
| 13 | |
| 14 # Assume ImageBase = 00400000. This does not affect the test. | |
| 15 Program: | |
| 16 00401000: 55 push ebp | |
| 17 00401001: 8B EC mov ebp,esp | |
| 18 00401003: E8 F8 EF FF FF call 00400000 # RVA start, outside .text | |
| 19 00401008: E8 F3 FF FF FF call 00401000 | |
| 20 0040100D: E8 ED FF FF FF call 00400FFF # 1 byte before .text | |
| 21 00401012: 90 nop # Padding so E8 & E9 ... | |
| 22 00401013: 90 nop | |
| 23 00401014: E9 E7 FF FF FF jmp 00401000 # ... don't appear here. | |
| 24 00401019: E9 E1 FF FF FF jmp 00400FFF # 1 byte before .text | |
| 25 0040101E: E8 DC 1F 00 00 call 00402FFF | |
| 26 00401023: E8 D8 1F 00 00 call 00403000 # 1 byte after .text | |
| 27 00401028: 0F 87 D1 1F 00 00 ja 00402FFF | |
| 28 0040102E: 0F 88 CC 1F 00 00 js 00403000 # 1 byte after .text | |
| 29 00401034: E8 C6 3F 00 00 call 00404FFF # In image, outside .text | |
| 30 00401039: E8 C2 3F 00 00 call 00405000 # Outside image | |
| 31 0040103E: E8 BE 3F 00 00 call 00405001 # Outside image | |
| 32 00401043: E8 88 88 88 88 call 88C898D0 # Far away | |
| 33 00401048: FF 15 B1 EF FF FF call [rip-0000104F] # 003FFFFF | |
| 34 # 1 byte before image | |
| 35 0040104E: FF 15 AC EF FF FF call [rip-00401054] # 00400000 | |
| 36 # In image | |
| 37 00401054: FF 15 A5 3F 00 00 call [rip+00003FA5] # 00404FFF | |
| 38 # 1 byte before end | |
| 39 0040105A: FF 15 A0 3F 00 00 call [rip+00003FA0] # 00405000 | |
| 40 # Outside image | |
| 41 00401060: FF 15 6A 88 C8 88 call [rip+60000000] # 60401066 | |
|
huangs
2016/06/03 15:59:05
Please also change the assembly bytes.
etiennep
2016/06/03 17:17:12
Done.
| |
| 42 # Far away | |
| 43 00401066: FF 25 93 EF FF FF jmp [rip+FFFFEF93] # 003FFFFF | |
| 44 # 1 byte before image | |
| 45 0040106C: FF 25 8E EF FF FF jmp [rip+FFFFEF8E] # 00400000 | |
| 46 # In image | |
| 47 00401072: FF 25 87 3F 00 00 jmp [rip+00003F87] # 00404FFF | |
| 48 # 1 byte before end | |
| 49 00401078: FF 25 82 3F 00 00 jmp [rip+00003F82] # 00405000 | |
| 50 # Outside image | |
| 51 0040107E: 8D 05 7B EF FF FF lea eax,[rip-00001085] # 003FFFFF | |
| 52 # 1 byte before image | |
| 53 00401084: 8D 05 76 EF FF FF lea eax,[rip-0000108A] # 00400000 | |
| 54 # In image | |
| 55 0040108A: 8D 05 6F 3F 00 00 lea eax,[rip+00003F6F] # 00404FFF | |
| 56 # 1 byte before end | |
| 57 00401090: 8D 05 6A 3F 00 00 lea eax,[rip+00003F6A] # 00405000 | |
| 58 # Outside image | |
| 59 00401096: 5D pop ebp | |
| 60 00401097: C3 ret | |
| 61 | |
| 62 Abs32: | |
| 63 | |
| 64 Expected: | |
| 65 1009 | |
| 66 1015 | |
| 67 101F | |
| 68 102A | |
| 69 1050 | |
| 70 1056 | |
| 71 106E | |
| 72 1074 # x64 rip ignores .text boundaries (target likely in .data section). | |
| 73 # 1086 Not yet detected. | |
| 74 # 108C Not yet detected. | |
| OLD | NEW |
