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| author | Etienne Pierre-doray <etiennep@chromium.org> | 2018-08-10 17:44:37 +0000 |
|---|---|---|
| committer | Copybara-Service <copybara-worker@google.com> | 2021-07-25 20:34:00 -0700 |
| commit | e57c4e6bb4c122686c16f40e0b9d50a2e683d42b (patch) | |
| tree | 2cf002c3499a23f698d92eb0ae2b51bfe9bc1606 /element_detection.cc | |
| parent | a88cad0485f1c73d63ba0a1bcfccc8a68bd300c6 (diff) | |
| download | zucchini-e57c4e6bb4c122686c16f40e0b9d50a2e683d42b.tar.gz | |
[Zucchini] Create elf disassembler.
Creates Disassembler that recognises and parses ELF format. For now, it only supports Intel architeture. Support for Arm will be added in follow-up CLs.
Change-Id: Ibdcf113b573f22844b6a1611c5ff6df46829b9b3
Reviewed-on: https://chromium-review.googlesource.com/1136841
Commit-Queue: Etienne Pierre-Doray <etiennep@chromium.org>
Reviewed-by: Greg Thompson <grt@chromium.org>
Reviewed-by: Samuel Huang <huangs@chromium.org>
Cr-Commit-Position: refs/heads/master@{#582233}
NOKEYCHECK=True
GitOrigin-RevId: 3c64e078fea9f23e44939c25ca02cf05b72b2c40
Diffstat (limited to 'element_detection.cc')
| -rw-r--r-- | element_detection.cc | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/element_detection.cc b/element_detection.cc index 6b31f61..fa5adf4 100644 --- a/element_detection.cc +++ b/element_detection.cc @@ -19,6 +19,10 @@ #include "components/zucchini/disassembler_win32.h" #endif // BUILDFLAG(ENABLE_WIN) +#if BUILDFLAG(ENABLE_ELF) +#include "components/zucchini/disassembler_elf.h" +#endif // BUILDFLAG(ENABLE_ELF) + #if BUILDFLAG(ENABLE_ZTF) #include "components/zucchini/disassembler_ztf.h" #endif // BUILDFLAG(ENABLE_ZTF) @@ -50,6 +54,20 @@ std::unique_ptr<Disassembler> MakeDisassemblerWithoutFallback( } #endif // BUILDFLAG(ENABLE_WIN) +#if BUILDFLAG(ENABLE_ELF) + if (DisassemblerElfX86::QuickDetect(image)) { + auto disasm = Disassembler::Make<DisassemblerElfX86>(image); + if (disasm && disasm->size() >= kMinProgramSize) + return disasm; + } + + if (DisassemblerElfX64::QuickDetect(image)) { + auto disasm = Disassembler::Make<DisassemblerElfX64>(image); + if (disasm && disasm->size() >= kMinProgramSize) + return disasm; + } +#endif // BUILDFLAG(ENABLE_ELF) + #if BUILDFLAG(ENABLE_DEX) if (DisassemblerDex::QuickDetect(image)) { auto disasm = Disassembler::Make<DisassemblerDex>(image); @@ -79,6 +97,12 @@ std::unique_ptr<Disassembler> MakeDisassemblerOfType(ConstBufferView image, case kExeTypeWin32X64: return Disassembler::Make<DisassemblerWin32X64>(image); #endif // BUILDFLAG(ENABLE_WIN) +#if BUILDFLAG(ENABLE_ELF) + case kExeTypeElfX86: + return Disassembler::Make<DisassemblerElfX86>(image); + case kExeTypeElfX64: + return Disassembler::Make<DisassemblerElfX64>(image); +#endif // BUILDFLAG(ENABLE_ELF) #if BUILDFLAG(ENABLE_DEX) case kExeTypeDex: return Disassembler::Make<DisassemblerDex>(image); |