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add test which assert that import list for executable not changed silently
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‎tests/run-make/assert_imports_windows-msvc/Makefile

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# only-x86_64-pc-windows-msvc
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include ../tools.mk
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# assert that import list for simple executable not changed silently
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# FIXME: remove "File:" from diff by making path reproducible: now it's broken
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all:
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$(RUSTC) empty.rs
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"$(LLVM_BIN_DIR)"/llvm-readobj --coff-imports $(TMPDIR)/empty.exe > "$(TMPDIR)/actual.empty.txt"
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diff -u -I "File:" -I "ImportLookupTableRVA:" -I "ImportAddressTableRVA:" expected.empty.txt "$(TMPDIR)/actual.empty.txt"

‎tests/run-make/assert_imports_windows-msvc/empty.rs

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fn main() {}

‎tests/run-make/assert_imports_windows-msvc/expected.empty.txt

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File: empty.exe
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Format: COFF-x86-64
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Arch: x86_64
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AddressSize: 64bit
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Import {
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Name: KERNEL32.dll
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ImportLookupTableRVA: 0x207C0
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ImportAddressTableRVA: 0x19000
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Symbol: GetLastError (619)
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Symbol: AddVectoredExceptionHandler (19)
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Symbol: SetThreadStackGuarantee (1408)
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Symbol: WaitForSingleObject (1528)
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Symbol: QueryPerformanceCounter (1115)
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Symbol: AcquireSRWLockExclusive (0)
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Symbol: RtlCaptureContext (1247)
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Symbol: RtlVirtualUnwind (1262)
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Symbol: RtlLookupFunctionEntry (1255)
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Symbol: SetLastError (1357)
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Symbol: GetCurrentDirectoryW (539)
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Symbol: GetEnvironmentVariableW (580)
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Symbol: GetCurrentProcess (545)
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Symbol: GetStdHandle (737)
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Symbol: GetCurrentProcessId (546)
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Symbol: TryAcquireSRWLockExclusive (1477)
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Symbol: HeapFree (862)
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Symbol: HeapReAlloc (865)
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Symbol: AcquireSRWLockShared (1)
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Symbol: ReleaseSRWLockShared (1219)
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Symbol: ReleaseMutex (1216)
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Symbol: GetModuleHandleA (639)
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Symbol: GetProcAddress (700)
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Symbol: GetProcessHeap (707)
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Symbol: GetConsoleMode (518)
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Symbol: GetModuleHandleW (642)
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Symbol: MultiByteToWideChar (1023)
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Symbol: WriteConsoleW (1586)
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Symbol: GetCurrentThread (549)
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Symbol: GetSystemTimeAsFileTime (760)
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Symbol: WaitForSingleObjectEx (1529)
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Symbol: LoadLibraryA (977)
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Symbol: CreateMutexA (218)
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Symbol: ReleaseSRWLockExclusive (1218)
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Symbol: HeapAlloc (858)
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Symbol: CloseHandle (137)
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Symbol: SetUnhandledExceptionFilter (1421)
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Symbol: UnhandledExceptionFilter (1486)
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Symbol: IsDebuggerPresent (910)
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Symbol: InitializeSListHead (888)
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Symbol: GetCurrentThreadId (550)
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Symbol: IsProcessorFeaturePresent (917)
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}
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Import {
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Name: ntdll.dll
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ImportLookupTableRVA: 0x20A50
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ImportAddressTableRVA: 0x19290
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Symbol: RtlNtStatusToDosError (1294)
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Symbol: NtWriteFile (665)
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}
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Import {
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Name: VCRUNTIME140.dll
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ImportLookupTableRVA: 0x20918
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ImportAddressTableRVA: 0x19158
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Symbol: __current_exception_context (28)
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Symbol: __current_exception (27)
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Symbol: __C_specific_handler (8)
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Symbol: _CxxThrowException (1)
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Symbol: memcmp (59)
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Symbol: memmove (61)
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Symbol: memset (62)
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Symbol: memcpy (60)
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Symbol: __CxxFrameHandler3 (14)
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}
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Import {
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Name: api-ms-win-crt-runtime-l1-1-0.dll
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ImportLookupTableRVA: 0x209A0
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ImportAddressTableRVA: 0x191E0
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Symbol: _initterm_e (55)
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Symbol: exit (85)
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Symbol: _exit (35)
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Symbol: _initterm (54)
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Symbol: _get_initial_narrow_environment (40)
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Symbol: __p___argc (4)
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Symbol: __p___argv (5)
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Symbol: _cexit (22)
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Symbol: _c_exit (21)
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Symbol: _register_thread_local_exe_atexit_callback (61)
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Symbol: _configure_narrow_argv (24)
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Symbol: _set_app_type (66)
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Symbol: _initialize_narrow_environment (51)
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Symbol: _initialize_onexit_table (52)
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Symbol: _register_onexit_function (60)
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Symbol: _crt_atexit (30)
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Symbol: terminate (103)
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Symbol: _seh_filter_exe (64)
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}
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Import {
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Name: api-ms-win-crt-math-l1-1-0.dll
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ImportLookupTableRVA: 0x20990
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ImportAddressTableRVA: 0x191D0
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Symbol: __setusermatherr (9)
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}
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Import {
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Name: api-ms-win-crt-stdio-l1-1-0.dll
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ImportLookupTableRVA: 0x20A38
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ImportAddressTableRVA: 0x19278
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Symbol: _set_fmode (84)
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Symbol: __p__commode (1)
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}
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Import {
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Name: api-ms-win-crt-locale-l1-1-0.dll
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ImportLookupTableRVA: 0x20980
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ImportAddressTableRVA: 0x191C0
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Symbol: _configthreadlocale (8)
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}
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Import {
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Name: api-ms-win-crt-heap-l1-1-0.dll
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ImportLookupTableRVA: 0x20968
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ImportAddressTableRVA: 0x191A8
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Symbol: free (24)
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Symbol: _set_new_mode (22)
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}

‎tests/run-make/assert_imports_x86_64-unknown-linux-gnu/Makefile

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# only-x86_64-unknown-linux-gnu
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include ../tools.mk
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# assert that import list for simple executable not changed silently
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# FIXME: remove "file format elf64-x86-64" from diff by making path reproducible: now it's broken
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# "diff -b" space/tab number unstable, ignore it
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all:
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$(RUSTC) empty.rs
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"$(LLVM_BIN_DIR)"/llvm-objdump --dynamic-syms $(TMPDIR)/empty > "$(TMPDIR)/actual.empty.txt"
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diff -u -b -I "file format elf64-x86-64" expected.empty.txt "$(TMPDIR)/actual.empty.txt"

‎tests/run-make/assert_imports_x86_64-unknown-linux-gnu/empty.rs

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fn main() {}

‎tests/run-make/assert_imports_x86_64-unknown-linux-gnu/expected.empty.txt

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empty: file format elf64-x86-64
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DYNAMIC SYMBOL TABLE:
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) getenv
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) dl_iterate_phdr
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) free
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.34) __libc_start_main
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) abort
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0000000000000000 DF *UND* 0000000000000000 (GCC_3.3) _Unwind_Backtrace
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) __errno_location
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0000000000000000 w D *UND* 0000000000000000 _ITM_deregisterTMCloneTable
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) writev
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.32) pthread_getattr_np
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) sigaction
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0000000000000000 w DF *UND* 0000000000000000 (GLIBC_2.18) __cxa_thread_atexit_impl
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.3.4) __xpg_strerror_r
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.34) pthread_getspecific
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) readlink
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) fcntl
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0000000000000000 DF *UND* 0000000000000000 (GCC_3.0) _Unwind_GetRegionStart
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) write
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0000000000000000 DF *UND* 0000000000000000 (GCC_3.0) _Unwind_GetTextRelBase
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0000000000000000 DF *UND* 0000000000000000 (GCC_3.0) _Unwind_RaiseException
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) strlen
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.33) stat64
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.34) pthread_key_create
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) memset
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) getcwd
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0000000000000000 DF *UND* 0000000000000000 (GCC_4.2.0) _Unwind_GetIPInfo
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) close
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0000000000000000 DF *UND* 0000000000000000 (GCC_3.0) _Unwind_GetLanguageSpecificData
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.34) pthread_key_delete
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) read
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.3) __tls_get_addr
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) calloc
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) signal
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) syscall
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.34) pthread_attr_getstack
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0000000000000000 w D *UND* 0000000000000000 __gmon_start__
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.3) realpath
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.14) memcpy
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0000000000000000 DF *UND* 0000000000000000 (GCC_3.0) _Unwind_GetIP
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) mmap64
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) malloc
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) bcmp
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) realloc
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) munmap
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0000000000000000 w DF *UND* 0000000000000000 (GLIBC_2.28) statx
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0000000000000000 DF *UND* 0000000000000000 (GCC_3.0) _Unwind_GetDataRelBase
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) poll
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0000000000000000 DF *UND* 0000000000000000 (GCC_3.0) _Unwind_SetGR
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) open64
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) memmove
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) pthread_self
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) mprotect
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) sysconf
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) pthread_attr_destroy
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) lseek64
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.33) fstat64
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) posix_memalign
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0000000000000000 w D *UND* 0000000000000000 _ITM_registerTMCloneTable
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0000000000000000 DF *UND* 0000000000000000 (GCC_3.0) _Unwind_DeleteException
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.2.5) sigaltstack
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0000000000000000 DF *UND* 0000000000000000 (GCC_3.0) _Unwind_Resume
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0000000000000000 DF *UND* 0000000000000000 (GLIBC_2.34) pthread_setspecific
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0000000000000000 DF *UND* 0000000000000000 (GCC_3.0) _Unwind_SetIP
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0000000000000000 w DF *UND* 0000000000000000 (GLIBC_2.2.5) __cxa_finalize

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