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[asan] Add more x86 prologue decodings to handle x64 VC 2017 CRT 

Fixes atoi and strtol interception.

llvm-svn: 316482
This commit is contained in:
Reid Kleckner 2017-10-24 18:22:07 +00:00
parent ee68d8e41f
commit 80db37ec25
1 changed files with 3 additions and 0 deletions
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3
compiler-rt/lib/interception/interception_win.cc
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@ -553,7 +553,10 @@ static size_t GetInstructionSize(uptr address, size_t* rel_offset = nullptr) {
case 0x246c8948: // 48 89 6C 24 XX : mov QWORD ptr [rsp + XX], rbp
case 0x245c8948: // 48 89 5c 24 XX : mov QWORD PTR [rsp + XX], rbx
case 0x24748948: // 48 89 74 24 XX : mov QWORD PTR [rsp + XX], rsi
case 0x244C8948: // 48 89 4C 24 XX : mov QWORD PTR [rsp + XX], rcx
return 5;
case 0x24648348: // 48 83 64 24 XX : and QWORD PTR [rsp + XX], YY
return 6;
}
#else