/* * Check decoding of socketcall syscall. * * Copyright (c) 2016-2018 Dmitry V. Levin * Copyright (c) 2016-2019 The strace developers. * All rights reserved. * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "tests.h" #include "scno.h" #if defined __NR_socketcall && !defined __ARM_EABI__ # include # include # include # include "xlat.h" # include "xlat/socketcalls.h" static const char * xlookup_uint(const struct xlat *xlat, const unsigned int val) { for (size_t i = 0; i < xlat->size; i++) if (xlat->data[i].val == val) return xlat->data[i].str; return NULL; } static const int sc_min = 1, sc_max = 20; static void *efault; static void test_socketcall(const int i, const void *const addr) { const unsigned long call = (unsigned long) 0xfacefeed00000000ULL | (unsigned int) i; long rc = syscall(__NR_socketcall, call, addr); if (i < sc_min || i > sc_max) { printf("socketcall(%d, %p) = %ld %s (%m)\n", (int) call, addr, rc, errno2name()); } else if (addr == efault) { const char *const str = xlookup_uint(socketcalls, i); assert(str); printf("socketcall(%s, %p) = %ld %s (%m)\n", str, addr, rc, errno2name()); } } int main(void) { assert(0 == socketcalls->data[0].val); assert((unsigned) sc_max == socketcalls->data[socketcalls->size - 1].val); const unsigned long *const args = tail_alloc(sizeof(*args) * 6); efault = tail_alloc(1) + 1; int i; for (i = sc_min - 3; i <= sc_max + 3; ++i) { test_socketcall(i, efault); test_socketcall(i, args); } puts("+++ exited with 0 +++"); return 0; } #else SKIP_MAIN_UNDEFINED("__NR_socketcall && !__ARM_EABI__") #endif