// Tests that global tags wrap around successfully after tag 0xff on aarch64 or // 0x3f on x86_64. // RUN: %clang_hwasan %s -o %t // RUN: %run %t 0 #include // Create >256 globals to ensure every tag is used. int x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15, x16, x17, x18, x19, x20, x21, x22, x23, x24, x25, x26, x27, x28, x29, x30, x31, x32, x33, x34, x35, x36, x37, x38, x39, x40, x41, x42, x43, x44, x45, x46, x47, x48, x49, x50, x51, x52, x53, x54, x55, x56, x57, x58, x59, x60, x61, x62, x63, x64, x65, x66, x67, x68, x69, x70, x71, x72, x73, x74, x75, x76, x77, x78, x79, x80, x81, x82, x83, x84, x85, x86, x87, x88, x89, x90, x91, x92, x93, x94, x95, x96, x97, x98, x99, x100, x101, x102, x103, x104, x105, x106, x107, x108, x109, x110, x111, x112, x113, x114, x115, x116, x117, x118, x119, x120, x121, x122, x123, x124, x125, x126, x127, x128, x129, x130, x131, x132, x133, x134, x135, x136, x137, x138, x139, x140, x141, x142, x143, x144, x145, x146, x147, x148, x149, x150, x151, x152, x153, x154, x155, x156, x157, x158, x159, x160, x161, x162, x163, x164, x165, x166, x167, x168, x169, x170, x171, x172, x173, x174, x175, x176, x177, x178, x179, x180, x181, x182, x183, x184, x185, x186, x187, x188, x189, x190, x191, x192, x193, x194, x195, x196, x197, x198, x199, x200, x201, x202, x203, x204, x205, x206, x207, x208, x209, x210, x211, x212, x213, x214, x215, x216, x217, x218, x219, x220, x221, x222, x223, x224, x225, x226, x227, x228, x229, x230, x231, x232, x233, x234, x235, x236, x237, x238, x239, x240, x241, x242, x243, x244, x245, x246, x247, x248, x249, x250, x251, x252, x253, x254, x255, x256; int main(int argc, char **argv) { int i = atoi(argv[1]); // Write to every global to make sure tags match even after wrapping around // to 0. (&x0)[i] = 1; (&x1)[i] = 1; (&x2)[i] = 1; (&x3)[i] = 1; (&x4)[i] = 1; (&x5)[i] = 1; (&x6)[i] = 1; (&x7)[i] = 1; (&x8)[i] = 1; (&x9)[i] = 1; (&x10)[i] = 1; (&x11)[i] = 1; (&x12)[i] = 1; (&x13)[i] = 1; (&x14)[i] = 1; (&x15)[i] = 1; (&x16)[i] = 1; (&x17)[i] = 1; (&x18)[i] = 1; (&x19)[i] = 1; (&x20)[i] = 1; (&x21)[i] = 1; (&x22)[i] = 1; (&x23)[i] = 1; (&x24)[i] = 1; (&x25)[i] = 1; (&x26)[i] = 1; (&x27)[i] = 1; (&x28)[i] = 1; (&x29)[i] = 1; (&x30)[i] = 1; (&x31)[i] = 1; (&x32)[i] = 1; (&x33)[i] = 1; (&x34)[i] = 1; (&x35)[i] = 1; (&x36)[i] = 1; (&x37)[i] = 1; (&x38)[i] = 1; (&x39)[i] = 1; (&x40)[i] = 1; (&x41)[i] = 1; (&x42)[i] = 1; (&x43)[i] = 1; (&x44)[i] = 1; (&x45)[i] = 1; (&x46)[i] = 1; (&x47)[i] = 1; (&x48)[i] = 1; (&x49)[i] = 1; (&x50)[i] = 1; (&x51)[i] = 1; (&x52)[i] = 1; (&x53)[i] = 1; (&x54)[i] = 1; (&x55)[i] = 1; (&x56)[i] = 1; (&x57)[i] = 1; (&x58)[i] = 1; (&x59)[i] = 1; (&x60)[i] = 1; (&x61)[i] = 1; (&x62)[i] = 1; (&x63)[i] = 1; (&x64)[i] = 1; (&x65)[i] = 1; (&x66)[i] = 1; (&x67)[i] = 1; (&x68)[i] = 1; (&x69)[i] = 1; (&x70)[i] = 1; (&x71)[i] = 1; (&x72)[i] = 1; (&x73)[i] = 1; (&x74)[i] = 1; (&x75)[i] = 1; (&x76)[i] = 1; (&x77)[i] = 1; (&x78)[i] = 1; (&x79)[i] = 1; (&x80)[i] = 1; (&x81)[i] = 1; (&x82)[i] = 1; (&x83)[i] = 1; (&x84)[i] = 1; (&x85)[i] = 1; (&x86)[i] = 1; (&x87)[i] = 1; (&x88)[i] = 1; (&x89)[i] = 1; (&x90)[i] = 1; (&x91)[i] = 1; (&x92)[i] = 1; (&x93)[i] = 1; (&x94)[i] = 1; (&x95)[i] = 1; (&x96)[i] = 1; (&x97)[i] = 1; (&x98)[i] = 1; (&x99)[i] = 1; (&x100)[i] = 1; (&x101)[i] = 1; (&x102)[i] = 1; (&x103)[i] = 1; (&x104)[i] = 1; (&x105)[i] = 1; (&x106)[i] = 1; (&x107)[i] = 1; (&x108)[i] = 1; (&x109)[i] = 1; (&x110)[i] = 1; (&x111)[i] = 1; (&x112)[i] = 1; (&x113)[i] = 1; (&x114)[i] = 1; (&x115)[i] = 1; (&x116)[i] = 1; (&x117)[i] = 1; (&x118)[i] = 1; (&x119)[i] = 1; (&x120)[i] = 1; (&x121)[i] = 1; (&x122)[i] = 1; (&x123)[i] = 1; (&x124)[i] = 1; (&x125)[i] = 1; (&x126)[i] = 1; (&x127)[i] = 1; (&x128)[i] = 1; (&x129)[i] = 1; (&x130)[i] = 1; (&x131)[i] = 1; (&x132)[i] = 1; (&x133)[i] = 1; (&x134)[i] = 1; (&x135)[i] = 1; (&x136)[i] = 1; (&x137)[i] = 1; (&x138)[i] = 1; (&x139)[i] = 1; (&x140)[i] = 1; (&x141)[i] = 1; (&x142)[i] = 1; (&x143)[i] = 1; (&x144)[i] = 1; (&x145)[i] = 1; (&x146)[i] = 1; (&x147)[i] = 1; (&x148)[i] = 1; (&x149)[i] = 1; (&x150)[i] = 1; (&x151)[i] = 1; (&x152)[i] = 1; (&x153)[i] = 1; (&x154)[i] = 1; (&x155)[i] = 1; (&x156)[i] = 1; (&x157)[i] = 1; (&x158)[i] = 1; (&x159)[i] = 1; (&x160)[i] = 1; (&x161)[i] = 1; (&x162)[i] = 1; (&x163)[i] = 1; (&x164)[i] = 1; (&x165)[i] = 1; (&x166)[i] = 1; (&x167)[i] = 1; (&x168)[i] = 1; (&x169)[i] = 1; (&x170)[i] = 1; (&x171)[i] = 1; (&x172)[i] = 1; (&x173)[i] = 1; (&x174)[i] = 1; (&x175)[i] = 1; (&x176)[i] = 1; (&x177)[i] = 1; (&x178)[i] = 1; (&x179)[i] = 1; (&x180)[i] = 1; (&x181)[i] = 1; (&x182)[i] = 1; (&x183)[i] = 1; (&x184)[i] = 1; (&x185)[i] = 1; (&x186)[i] = 1; (&x187)[i] = 1; (&x188)[i] = 1; (&x189)[i] = 1; (&x190)[i] = 1; (&x191)[i] = 1; (&x192)[i] = 1; (&x193)[i] = 1; (&x194)[i] = 1; (&x195)[i] = 1; (&x196)[i] = 1; (&x197)[i] = 1; (&x198)[i] = 1; (&x199)[i] = 1; (&x200)[i] = 1; (&x201)[i] = 1; (&x202)[i] = 1; (&x203)[i] = 1; (&x204)[i] = 1; (&x205)[i] = 1; (&x206)[i] = 1; (&x207)[i] = 1; (&x208)[i] = 1; (&x209)[i] = 1; (&x210)[i] = 1; (&x211)[i] = 1; (&x212)[i] = 1; (&x213)[i] = 1; (&x214)[i] = 1; (&x215)[i] = 1; (&x216)[i] = 1; (&x217)[i] = 1; (&x218)[i] = 1; (&x219)[i] = 1; (&x220)[i] = 1; (&x221)[i] = 1; (&x222)[i] = 1; (&x223)[i] = 1; (&x224)[i] = 1; (&x225)[i] = 1; (&x226)[i] = 1; (&x227)[i] = 1; (&x228)[i] = 1; (&x229)[i] = 1; (&x230)[i] = 1; (&x231)[i] = 1; (&x232)[i] = 1; (&x233)[i] = 1; (&x234)[i] = 1; (&x235)[i] = 1; (&x236)[i] = 1; (&x237)[i] = 1; (&x238)[i] = 1; (&x239)[i] = 1; (&x240)[i] = 1; (&x241)[i] = 1; (&x242)[i] = 1; (&x243)[i] = 1; (&x244)[i] = 1; (&x245)[i] = 1; (&x246)[i] = 1; (&x247)[i] = 1; (&x248)[i] = 1; (&x249)[i] = 1; (&x250)[i] = 1; (&x251)[i] = 1; (&x252)[i] = 1; (&x253)[i] = 1; (&x254)[i] = 1; (&x255)[i] = 1; (&x256)[i] = 1; return 0; }