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feat(nid): add nid_no_patch rule

This commit is contained in:
boykopovar 2026-09-06 13:49:24 +03:00
parent e9f03cbf07
commit 58aef08fe1
2 changed files with 10 additions and 3 deletions
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7
core/libs/nid/include/nid/NidPatcherUtils.hpp
View File

@ -13,9 +13,16 @@ namespace Internal {
constexpr char kNidPostfix[] = "_nid_postfix";
constexpr std::size_t kNidPostfixLen = sizeof(kNidPostfix) - 1u;
constexpr char kNidNoPatch[] = "_nid_no_patch";
constexpr std::size_t kNidNoPatchLen = sizeof(kNidNoPatch) - 1u;
constexpr char kNidDisambigMarker[] = "_nid_disambig";
constexpr std::size_t kNidDisambigMarkerLen = sizeof(kNidDisambigMarker) - 1u;
inline bool IsNidNoPatch(const std::string& name) {
return name.size() >= kNidNoPatchLen &&
name.compare(name.size() - kNidNoPatchLen, kNidNoPatchLen, kNidNoPatch) == 0;
}
inline std::string StripNidPostfix(const std::string& name) {
std::string result = name;
if (result.size() >= kNidPostfixLen &&

6
core/libs/nid/src/ElfNidPatcher.cpp
View File

@ -485,12 +485,12 @@ void ElfNidPatcher::PatchNids(std::vector<std::uint8_t>& elf, const std::string&
if (sym.st_name == 0u) continue;
const std::uint8_t binding = sym.st_info >> 4u;
const bool isPatchable = binding != kStbLocal && sym.st_shndx != kShnUndef;
const std::string symName = ReadCStr(origDynStr, sym.st_name);
if (symName.empty()) continue;
const std::uint8_t binding = sym.st_info >> 4u;
const bool isPatchable = binding != kStbLocal && sym.st_shndx != kShnUndef && !IsNidNoPatch(symName);
std::string newValue = symName;
if (isPatchable) {
const std::string stripped = StripNidPostfix(symName);