#include const char test_llvm__bpf_test_relocation[] = "// SPDX-License-Identifier: GPL-2.0\n" "/*\n" " * bpf-script-test-relocation.c\n" " * Test BPF loader checking relocation\n" " */\n" "#ifndef LINUX_VERSION_CODE\n" "# error Need LINUX_VERSION_CODE\n" "# error Example: for 4.2 kernel, put 'clang-opt=\"-DLINUX_VERSION_CODE=0x40200\" into llvm section of ~/.perfconfig'\n" "#endif\n" "#define BPF_ANY 0\n" "#define BPF_MAP_TYPE_ARRAY 2\n" "#define BPF_FUNC_map_lookup_elem 1\n" "#define BPF_FUNC_map_update_elem 2\n" "\n" "static void *(*bpf_map_lookup_elem)(void *map, void *key) =\n" " (void *) BPF_FUNC_map_lookup_elem;\n" "static void *(*bpf_map_update_elem)(void *map, void *key, void *value, int flags) =\n" " (void *) BPF_FUNC_map_update_elem;\n" "\n" "struct bpf_map_def {\n" " unsigned int type;\n" " unsigned int key_size;\n" " unsigned int value_size;\n" " unsigned int max_entries;\n" "};\n" "\n" "#define SEC(NAME) __attribute__((section(NAME), used))\n" "struct bpf_map_def SEC(\"maps\") my_table = {\n" " .type = BPF_MAP_TYPE_ARRAY,\n" " .key_size = sizeof(int),\n" " .value_size = sizeof(int),\n" " .max_entries = 1,\n" "};\n" "\n" "int this_is_a_global_val;\n" "\n" "SEC(\"func=sys_write\")\n" "int bpf_func__sys_write(void *ctx)\n" "{\n" " int key = 0;\n" " int value = 0;\n" "\n" " /*\n" " * Incorrect relocation. Should not allow this program be\n" " * loaded into kernel.\n" " */\n" " bpf_map_update_elem(&this_is_a_global_val, &key, &value, 0);\n" " return 0;\n" "}\n" "char _license[] SEC(\"license\") = \"GPL\";\n" "int _version SEC(\"version\") = LINUX_VERSION_CODE;\n" ;