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[libc] Fix vdso VER_FLG_BASE redefinition in overlay mod. #108628

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merged 1 commit into from
Sep 13, 2024
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[libc] Fix vdso VER_FLG_BASE redefinition in overlay mod. #108628

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2 changes: 2 additions & 0 deletions libc/src/__support/OSUtil/linux/vdso.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -57,7 +57,9 @@ struct Verdef {
// https://refspecs.linuxfoundation.org/LSB_1.3.0/gLSB/gLSB/symversion.html#SYMVERTBL
cpp::string_view find_version(Verdef *verdef, ElfW(Half) * versym,
const char *strtab, size_t idx) {
#ifndef VER_FLG_BASE
constexpr ElfW(Half) VER_FLG_BASE = 0x1;
#endif
if (!versym)
return "";
ElfW(Half) identifier = versym[idx] & 0x7FFF;
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