[ 0:00] isalwayslockfree.pass.cpp:24:3: error: Feature test macro missing. [ 0:00] # error Feature test macro missing. [ 0:00] ^ [ 0:00] 1 error generated. [ 0:00] compiling /home/xrockai/src/divine/nightly/test/libcxx/atomic/isalwayslockfree.pass.cpp [ 0:00] In file included from /home/xrockai/src/divine/nightly/test/libcxx/atomic/isalwayslockfree.pass.cpp:18: [ 0:00] In file included from /dios/libcxx/include/atomic:550: [ 0:00] In file included from /dios/libcxx/include/cstddef:44: [ 0:00] In file included from /dios/include/stddef.h:10: [ 0:00] In file included from /dios/include/_PDCLIB/int.h:16: [ 0:00] /dios/include/_PDCLIB/cdefs.h:69:10: warning: Unsupported _ _cplusplus (__cplusplus) (too new) (supported: ISO/IEC 14882:1997, ISO/IEC 14882:2011). [ 0:00] #warning Unsupported _ _cplusplus (__cplusplus) (too new) (supported: ISO/IEC 14882:1997, ISO/IEC 14882:2011). [ 0:00] ^ [ 0:00] 1 warning generated. [ 0:01] compiling /dios/lib/config/seqklee.bc [ 0:01] setting up pass: functionmeta, options = [ 0:02] setting up pass: fuse-ctors, options = [ 0:02] KLEE: output directory is "/var/obj/divine-nightly/semidbg/test/__test_work_dir.2/_klee_out" [ 0:04] KLEE: Using Z3 solver backend [ 0:04] WARNING: this target does not support the llvm.stacksave intrinsic. [ 0:04] warning: Linking two modules of different target triples: klee_div_zero_check.bc' is 'x86_64-unknown-linux-gnu' whereas 'klee.bc' is 'x86_64-unknown-none-elf' [ 0:04] [ 0:04] KLEE: WARNING: undefined reference to function: __dios_tainted_init [ 0:06] KLEE: WARNING: undefined reference to function: klee_free [ 0:06] KLEE: WARNING: undefined reference to function: klee_malloc [ 0:06] i:1 [ 0:06] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8. [ 0:06] about to __boot:0 [ 0:06] about to run the scheduler:0 [ 0:06] KLEE: WARNING ONCE: calling external: __dios_tainted_init() at /dios/libc/sys/start.cpp:49 5 [ 0:06] KLEE: ERROR: /dios/libc/sys/start.cpp:87: failed external call: __dios_tainted_init [ 0:06] KLEE: NOTE: now ignoring this error at this location [ 0:06] KLEE: ERROR: EXITING ON ERROR: [ 0:07] Error: failed external call: __dios_tainted_init [ 0:07] File: /dios/libc/sys/start.cpp [ 0:07] Line: 87 [ 0:07] assembly.ll line: 35548 [ 0:07] Stack: [ 0:07] #000035548 in __dios_start (l=2, argc=1, argv=94377261478408, envp=94377261547528) at /dios/libc/sys/start.cpp:87 [ 0:07] #100011557 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:07] #200043796 in klee_boot (argc=2, argv=94377223641856) at /dios/arch/klee/boot.c:41 [ 0:07] [ 0:07] [ 0:07] 1 /* TAGS: c++ fin */ [ 0:07] 2 /* CC_OPTS: -std=c++2a */ [ 0:07] 3 /* VERIFY_OPTS: -o nofail:malloc */ [ 0:07] 4 //===----------------------------------------------------------------------===// [ 0:07] 5 // [ 0:07] 6 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. [ 0:07] 7 // See https://llvm.org/LICENSE.txt for license information. [ 0:07] 8 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception [ 0:07] 9 // [ 0:07] 10 //===----------------------------------------------------------------------===// [ 0:07] 11 // [ 0:07] 12 // UNSUPPORTED: libcpp-has-no-threads, c++98, c++03, c++11, c++14 [ 0:07] 13 [ 0:07] 14 // [ 0:07] 15 [ 0:07] 16 // static constexpr bool is_always_lock_free; [ 0:07] 17 [ 0:07] 18 #include [ 0:07] 19 #include [ 0:07] 20 [ 0:07] 21 #include "test_macros.h" [ 0:07] 22 [ 0:07] 23 #if !defined(__cpp_lib_atomic_is_always_lock_free) [ 0:07] 24 # error Feature test macro missing. [ 0:07] 25 #endif [ 0:07] 26 [ 0:07] 27 template void checkAlwaysLockFree() { [ 0:07] 28 if (std::atomic::is_always_lock_free) [ 0:07] 29 assert(std::atomic().is_lock_free()); [ 0:07] 30 } [ 0:07] 31 [ 0:07] 32 // FIXME: This separate test is needed to work around llvm.org/PR31864 [ 0:07] 33 // which causes ATOMIC_LLONG_LOCK_FREE to be defined as '1' in 32-bit builds [ 0:07] 34 // even though __atomic_always_lock_free returns true for the same type. [ 0:07] 35 constexpr bool NeedWorkaroundForPR31864 = [ 0:07] 36 #if defined(__clang__) [ 0:07] 37 (sizeof(void*) == 4); // Needed on 32 bit builds [ 0:07] 38 #else [ 0:07] 39 false; [ 0:07] 40 #endif [ 0:07] 41 [ 0:07] 42 template * = nullptr, [ 0:07] 44 class LLong = long long, [ 0:07] 45 class ULLong = unsigned long long> [ 0:07] 46 void checkLongLongTypes() { [ 0:07] 47 static_assert(std::atomic::is_always_lock_free == (2 == ATOMIC_LLONG_LOCK_FREE), ""); [ 0:07] 48 static_assert(std::atomic::is_always_lock_free == (2 == ATOMIC_LLONG_LOCK_FREE), ""); [ 0:07] 49 } [ 0:07] 50 [ 0:07] 51 // Used to make the calls to __atomic_always_lock_free dependent on a template [ 0:07] 52 // parameter. [ 0:07] 53 template constexpr size_t getSizeOf() { return sizeof(T); } [ 0:07] 54 [ 0:07] 55 template * = nullptr, [ 0:07] 57 class LLong = long long, [ 0:07] 58 class ULLong = unsigned long long> [ 0:07] 59 void checkLongLongTypes() { [ 0:07] 60 constexpr bool ExpectLockFree = __atomic_always_lock_free(getSizeOf(), 0); [ 0:07] 61 static_assert(std::atomic::is_always_lock_free == ExpectLockFree, ""); [ 0:07] 62 static_assert(std::atomic::is_always_lock_free == ExpectLockFree, ""); [ 0:07] 63 static_assert((0 != ATOMIC_LLONG_LOCK_FREE) == ExpectLockFree, ""); [ 0:07] 64 } [ 0:07] 65 [ 0:07] 66 void run() [ 0:07] 67 { [ 0:07] 68 // structs and unions can't be defined in the template invocation. [ 0:07] 69 // Work around this with a typedef. [ 0:07] 70 #define CHECK_ALWAYS_LOCK_FREE(T) \ [ 0:07] 71 do { \ [ 0:07] 72 typedef T type; \ [ 0:07] 73 checkAlwaysLockFree(); \ [ 0:07] 74 } while (0) [ 0:07] 75 [ 0:07] 76 CHECK_ALWAYS_LOCK_FREE(bool); [ 0:07] 77 CHECK_ALWAYS_LOCK_FREE(char); [ 0:07] 78 CHECK_ALWAYS_LOCK_FREE(signed char); [ 0:07] 79 CHECK_ALWAYS_LOCK_FREE(unsigned char); [ 0:07] 80 CHECK_ALWAYS_LOCK_FREE(char16_t); [ 0:07] 81 CHECK_ALWAYS_LOCK_FREE(char32_t); [ 0:07] 82 CHECK_ALWAYS_LOCK_FREE(wchar_t); [ 0:07] 83 CHECK_ALWAYS_LOCK_FREE(short); [ 0:07] 84 CHECK_ALWAYS_LOCK_FREE(unsigned short); [ 0:07] 85 CHECK_ALWAYS_LOCK_FREE(int); [ 0:07] 86 CHECK_ALWAYS_LOCK_FREE(unsigned int); [ 0:07] 87 CHECK_ALWAYS_LOCK_FREE(long); [ 0:07] 88 CHECK_ALWAYS_LOCK_FREE(unsigned long); [ 0:07] 89 CHECK_ALWAYS_LOCK_FREE(long long); [ 0:07] 90 CHECK_ALWAYS_LOCK_FREE(unsigned long long); [ 0:07] 91 CHECK_ALWAYS_LOCK_FREE(std::nullptr_t); [ 0:07] 92 CHECK_ALWAYS_LOCK_FREE(void*); [ 0:07] 93 CHECK_ALWAYS_LOCK_FREE(float); [ 0:07] 94 CHECK_ALWAYS_LOCK_FREE(double); [ 0:07] 95 CHECK_ALWAYS_LOCK_FREE(long double); [ 0:07] 96 #if __has_attribute(vector_size) && defined(_LIBCPP_VERSION) [ 0:07] 97 CHECK_ALWAYS_LOCK_FREE(int __attribute__((vector_size(1 * sizeof(int))))); [ 0:07] 98 CHECK_ALWAYS_LOCK_FREE(int __attribute__((vector_size(2 * sizeof(int))))); [ 0:07] 99 CHECK_ALWAYS_LOCK_FREE(int __attribute__((vector_size(4 * sizeof(int))))); [ 0:07] 100 CHECK_ALWAYS_LOCK_FREE(int __attribute__((vector_size(16 * sizeof(int))))); [ 0:07] 101 CHECK_ALWAYS_LOCK_FREE(int __attribute__((vector_size(32 * sizeof(int))))); [ 0:07] 102 CHECK_ALWAYS_LOCK_FREE(float __attribute__((vector_size(1 * sizeof(float))))); [ 0:07] 103 CHECK_ALWAYS_LOCK_FREE(float __attribute__((vector_size(2 * sizeof(float))))); [ 0:07] 104 CHECK_ALWAYS_LOCK_FREE(float __attribute__((vector_size(4 * sizeof(float))))); [ 0:07] 105 CHECK_ALWAYS_LOCK_FREE(float __attribute__((vector_size(16 * sizeof(float))))); [ 0:07] 106 CHECK_ALWAYS_LOCK_FREE(float __attribute__((vector_size(32 * sizeof(float))))); [ 0:07] 107 CHECK_ALWAYS_LOCK_FREE(double __attribute__((vector_size(1 * sizeof(double))))); [ 0:07] 108 CHECK_ALWAYS_LOCK_FREE(double __attribute__((vector_size(2 * sizeof(double))))); [ 0:07] 109 CHECK_ALWAYS_LOCK_FREE(double __attribute__((vector_size(4 * sizeof(double))))); [ 0:07] 110 CHECK_ALWAYS_LOCK_FREE(double __attribute__((vector_size(16 * sizeof(double))))); [ 0:07] 111 CHECK_ALWAYS_LOCK_FREE(double __attribute__((vector_size(32 * sizeof(double))))); [ 0:07] 112 #endif // __has_attribute(vector_size) && defined(_LIBCPP_VERSION) [ 0:07] 113 CHECK_ALWAYS_LOCK_FREE(struct Empty {}); [ 0:07] 114 CHECK_ALWAYS_LOCK_FREE(struct OneInt { int i; }); [ 0:07] 115 CHECK_ALWAYS_LOCK_FREE(struct IntArr2 { int i[2]; }); [ 0:07] 116 CHECK_ALWAYS_LOCK_FREE(struct LLIArr2 { long long int i[2]; }); [ 0:07] 117 CHECK_ALWAYS_LOCK_FREE(struct LLIArr4 { long long int i[4]; }); [ 0:07] 118 CHECK_ALWAYS_LOCK_FREE(struct LLIArr8 { long long int i[8]; }); [ 0:07] 119 CHECK_ALWAYS_LOCK_FREE(struct LLIArr16 { long long int i[16]; }); [ 0:07] 120 CHECK_ALWAYS_LOCK_FREE(struct Padding { char c; /* padding */ long long int i; }); [ 0:07] 121 CHECK_ALWAYS_LOCK_FREE(union IntFloat { int i; float f; }); [ 0:07] 122 [ 0:07] 123 // C macro and static constexpr must be consistent. [ 0:07] 124 static_assert(std::atomic::is_always_lock_free == (2 == ATOMIC_BOOL_LOCK_FREE), ""); [ 0:07] 125 static_assert(std::atomic::is_always_lock_free == (2 == ATOMIC_CHAR_LOCK_FREE), ""); [ 0:07] 126 static_assert(std::atomic::is_always_lock_free == (2 == ATOMIC_CHAR_LOCK_FREE), ""); [ 0:07] 127 static_assert(std::atomic::is_always_lock_free == (2 == ATOMIC_CHAR_LOCK_FREE), ""); [ 0:07] 128 static_assert(std::atomic::is_always_lock_free == (2 == ATOMIC_CHAR16_T_LOCK_FREE), ""); [ 0:07] 129 static_assert(std::atomic::is_always_lock_free == (2 == ATOMIC_CHAR32_T_LOCK_FREE), ""); [ 0:07] 130 static_assert(std::atomic::is_always_lock_free == (2 == ATOMIC_WCHAR_T_LOCK_FREE), ""); [ 0:07] 131 static_assert(std::atomic::is_always_lock_free == (2 == ATOMIC_SHORT_LOCK_FREE), ""); [ 0:07] 132 static_assert(std::atomic::is_always_lock_free == (2 == ATOMIC_SHORT_LOCK_FREE), ""); [ 0:07] 133 static_assert(std::atomic::is_always_lock_free == (2 == ATOMIC_INT_LOCK_FREE), ""); [ 0:07] 134 static_assert(std::atomic::is_always_lock_free == (2 == ATOMIC_INT_LOCK_FREE), ""); [ 0:07] 135 static_assert(std::atomic::is_always_lock_free == (2 == ATOMIC_LONG_LOCK_FREE), ""); [ 0:07] 136 static_assert(std::atomic::is_always_lock_free == (2 == ATOMIC_LONG_LOCK_FREE), ""); [ 0:07] 137 checkLongLongTypes(); [ 0:07] 138 static_assert(std::atomic::is_always_lock_free == (2 == ATOMIC_POINTER_LOCK_FREE), ""); [ 0:07] 139 static_assert(std::atomic::is_always_lock_free == (2 == ATOMIC_POINTER_LOCK_FREE), ""); [ 0:07] 140 } [ 0:07] 141 [ 0:07] 142 int main(int, char**) { run(); return 0; } [ 0:07] # no errors were expected but one was found anyway