Home
last modified time | relevance | path

Searched refs:ptr (Results 1 – 25 of 298) sorted by relevance

12345678910>>...12

/tools/testing/selftests/mm/
Dmseal_test.c65 static int sys_mprotect(void *ptr, size_t size, unsigned long prot) in sys_mprotect() argument
70 sret = syscall(__NR_mprotect, ptr, size, prot); in sys_mprotect()
74 static int sys_mprotect_pkey(void *ptr, size_t size, unsigned long orig_prot, in sys_mprotect_pkey() argument
80 sret = syscall(__NR_pkey_mprotect, ptr, size, orig_prot, pkey); in sys_mprotect_pkey()
84 static int sys_munmap(void *ptr, size_t size) in sys_munmap() argument
89 sret = syscall(__NR_munmap, ptr, size); in sys_munmap()
172 void *ptr; in setup_single_address() local
174 ptr = mmap(NULL, size, PROT_READ, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); in setup_single_address()
175 *ptrOut = ptr; in setup_single_address()
180 void *ptr; in setup_single_address_rw() local
[all …]
Dguard-regions.c141 static bool try_access_buf(char *ptr, bool write) in try_access_buf() argument
152 *ptr = 'x'; in try_access_buf()
154 FORCE_READ(ptr); in try_access_buf()
162 static bool try_read_buf(char *ptr) in try_read_buf() argument
164 return try_access_buf(ptr, false); in try_read_buf()
168 static bool try_write_buf(char *ptr) in try_write_buf() argument
170 return try_access_buf(ptr, true); in try_write_buf()
177 static bool try_read_write_buf(char *ptr) in try_read_write_buf() argument
179 return try_read_buf(ptr) && try_write_buf(ptr); in try_read_write_buf()
218 static void set_pattern(char *ptr, size_t num_pages, size_t page_size) in set_pattern() argument
[all …]
Dhmm-tests.c38 void *ptr; member
187 cmd.addr = (__u64)buffer->ptr; in hmm_dmirror_cmd()
188 cmd.ptr = (__u64)buffer->mirror; in hmm_dmirror_cmd()
210 if (buffer->ptr) in hmm_buffer_free()
211 munmap(buffer->ptr, buffer->size); in hmm_buffer_free()
298 int *ptr; in TEST_F() local
314 buffer->ptr = mmap(NULL, size, in TEST_F()
318 ASSERT_NE(buffer->ptr, MAP_FAILED); in TEST_F()
324 i = 2 * self->page_size / sizeof(*ptr); in TEST_F()
325 for (ptr = buffer->ptr; i < size / sizeof(*ptr); ++i) in TEST_F()
[all …]
Dmigration.c63 int migrate(uint64_t *ptr, int n1, int n2) in migrate() argument
80 ret = move_pages(0, 1, (void **) &ptr, &n2, &status, in migrate()
102 void *access_mem(void *ptr) in access_mem() argument
105 volatile uint64_t *x = ptr; in access_mem()
125 uint64_t *ptr; variable
131 ptr = mmap(NULL, TWOMEG, PROT_READ | PROT_WRITE,
133 ASSERT_NE(ptr, MAP_FAILED);
135 memset(ptr, 0xde, TWOMEG);
137 if (pthread_create(&self->threads[i], NULL, access_mem, ptr))
140 ASSERT_EQ(migrate(ptr, self->n1, self->n2), 0);
[all …]
Dseal_elf.c33 static inline int sys_mprotect(void *ptr, size_t size, unsigned long prot) in sys_mprotect() argument
38 sret = syscall(__NR_mprotect, ptr, size, prot); in sys_mprotect()
45 void *ptr; in seal_support() local
48 ptr = mmap(NULL, page_size, PROT_READ, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); in seal_support()
49 if (ptr == (void *) -1) in seal_support()
52 ret = sys_mseal(ptr, page_size); in seal_support()
70 unsigned long long ptr = (unsigned long long) somestr; in test_seal_elf() local
76 if (((unsigned long long)ptr % page_size) != 0) in test_seal_elf()
77 ptr = (unsigned long long)ptr & ~(page_size - 1); in test_seal_elf()
81 ret = sys_mprotect((void *)ptr, page_size, PROT_READ|PROT_WRITE); in test_seal_elf()
[all …]
Dprotection_keys.c173 u64 *ptr = (u64 *)(c + i); in dump_mem() local
174 dprintf1("dump[%03d][@%p]: %016llx\n", i, ptr, *ptr); in dump_mem()
463 int sys_mprotect_pkey(void *ptr, size_t size, unsigned long orig_prot, in sys_mprotect_pkey() argument
469 ptr, size, orig_prot, pkey); in sys_mprotect_pkey()
472 sret = syscall(__NR_pkey_mprotect, ptr, size, orig_prot, pkey); in sys_mprotect_pkey()
589 int mprotect_pkey(void *ptr, size_t size, unsigned long orig_prot, in mprotect_pkey() argument
597 ret = sys_mprotect_pkey(ptr, size, orig_prot, pkey); in mprotect_pkey()
599 ptr, size, orig_prot, pkey, ret); in mprotect_pkey()
615 ret = sys_mprotect_pkey(ptr, size, orig_prot, pkey); in mprotect_pkey()
617 ptr, size, orig_prot, pkey, ret); in mprotect_pkey()
[all …]
/tools/testing/selftests/bpf/progs/
Ddynptr_fail.c18 struct bpf_dynptr ptr; member
62 static int get_map_val_dynptr(struct bpf_dynptr *ptr) in get_map_val_dynptr() argument
72 bpf_dynptr_from_mem(map_val, sizeof(*map_val), 0, ptr); in get_map_val_dynptr()
84 struct bpf_dynptr ptr = {}; in ringbuf_missing_release1() local
86 bpf_ringbuf_reserve_dynptr(&ringbuf, val, 0, &ptr); in ringbuf_missing_release1()
119 struct bpf_dynptr ptr; in missing_release_callback_fn() local
121 bpf_ringbuf_reserve_dynptr(&ringbuf, val, 0, &ptr); in missing_release_callback_fn()
142 struct bpf_dynptr ptr; in ringbuf_release_uninit_dynptr() local
145 bpf_ringbuf_submit_dynptr(&ptr, 0); in ringbuf_release_uninit_dynptr()
155 struct bpf_dynptr ptr; in use_after_invalid() local
[all …]
Ddynptr_success.c41 struct bpf_dynptr ptr; in test_read_write() local
47 bpf_ringbuf_reserve_dynptr(&ringbuf, sizeof(write_data), 0, &ptr); in test_read_write()
50 err = bpf_dynptr_write(&ptr, 0, write_data, sizeof(write_data), 0); in test_read_write()
53 err = err ?: bpf_dynptr_read(read_data, sizeof(read_data), &ptr, 0, 0); in test_read_write()
63 bpf_ringbuf_discard_dynptr(&ptr, 0); in test_read_write()
71 struct bpf_dynptr ptr; in test_dynptr_data() local
88 bpf_dynptr_from_mem(map_val, map_val_size, 0, &ptr); in test_dynptr_data()
91 data = bpf_dynptr_data(&ptr, map_val_size + 1, 1); in test_dynptr_data()
98 data = bpf_dynptr_data(&ptr, 0, map_val_size + 1); in test_dynptr_data()
104 data = bpf_dynptr_data(&ptr, 0, sizeof(__u32)); in test_dynptr_data()
[all …]
Dtask_ls_recursion.c34 long *ptr; in BPF_PROG() local
39 ptr = bpf_task_storage_get(&map_a, task, 0, in BPF_PROG()
47 if (ptr) { in BPF_PROG()
50 *ptr += 1; in BPF_PROG()
62 ptr = bpf_task_storage_get(&map_b, task, 0, in BPF_PROG()
64 if (ptr) in BPF_PROG()
65 *ptr += 1; in BPF_PROG()
74 long *ptr; in BPF_PROG() local
80 ptr = bpf_task_storage_get(&map_a, task, 0, in BPF_PROG()
82 if (ptr && !*ptr) in BPF_PROG()
[all …]
Dcgrp_ls_recursion.c32 long *ptr; in __on_update() local
34 ptr = bpf_cgrp_storage_get(&map_a, cgrp, 0, BPF_LOCAL_STORAGE_GET_F_CREATE); in __on_update()
35 if (ptr) in __on_update()
36 *ptr += 1; in __on_update()
38 ptr = bpf_cgrp_storage_get(&map_b, cgrp, 0, BPF_LOCAL_STORAGE_GET_F_CREATE); in __on_update()
39 if (ptr) in __on_update()
40 *ptr += 1; in __on_update()
65 long *ptr; in __on_enter() local
67 ptr = bpf_cgrp_storage_get(&map_a, cgrp, 0, BPF_LOCAL_STORAGE_GET_F_CREATE); in __on_enter()
68 if (ptr) in __on_enter()
[all …]
Dcgrp_ls_tp_btf.c38 long *ptr; in __on_enter() local
42 ptr = bpf_cgrp_storage_get(&map_a, cgrp, 0, in __on_enter()
44 if (!ptr) in __on_enter()
53 ptr = bpf_cgrp_storage_get(&map_a, cgrp, 0, 0); in __on_enter()
54 if (ptr) in __on_enter()
58 ptr = bpf_cgrp_storage_get(&map_a, cgrp, 0, in __on_enter()
60 if (!ptr) in __on_enter()
63 *ptr = MAGIC_VALUE + enter_cnt; in __on_enter()
92 long *ptr; in __on_exit() local
94 ptr = bpf_cgrp_storage_get(&map_a, cgrp, 0, in __on_exit()
[all …]
Dtask_local_storage.c28 long *ptr; in BPF_PROG() local
34 ptr = bpf_task_storage_get(&enter_id, task, 0, in BPF_PROG()
36 if (!ptr) in BPF_PROG()
40 *ptr = MAGIC_VALUE + enter_cnt; in BPF_PROG()
49 long *ptr; in BPF_PROG() local
55 ptr = bpf_task_storage_get(&enter_id, task, 0, in BPF_PROG()
57 if (!ptr) in BPF_PROG()
61 if (*ptr != MAGIC_VALUE + exit_cnt) in BPF_PROG()
/tools/testing/selftests/arm64/mte/
Dcheck_tags_inclusion.c22 static int verify_mte_pointer_validity(char *ptr, int mode) in verify_mte_pointer_validity() argument
24 mte_initialize_current_context(mode, (uintptr_t)ptr, BUFFER_SIZE); in verify_mte_pointer_validity()
26 memset(ptr, '1', BUFFER_SIZE); in verify_mte_pointer_validity()
30 ptr, ptr + BUFFER_SIZE, mode); in verify_mte_pointer_validity()
34 if (!MT_FETCH_TAG((uintptr_t)ptr)) in verify_mte_pointer_validity()
36 mte_initialize_current_context(mode, (uintptr_t)ptr, BUFFER_SIZE + 1); in verify_mte_pointer_validity()
38 ptr[BUFFER_SIZE] = '2'; in verify_mte_pointer_validity()
42 ptr, mode); in verify_mte_pointer_validity()
51 char *ptr; in check_single_included_tags() local
54 ptr = mte_allocate_memory(BUFFER_SIZE + MT_GRANULE_SIZE, mem_type, 0, false); in check_single_included_tags()
[all …]
Dmte_common_util.h52 void mte_free_memory(void *ptr, size_t size, int mem_type, bool tags);
53 void mte_free_memory_tag_range(void *ptr, size_t size, int mem_type,
55 void *mte_insert_tags(void *ptr, size_t size);
56 void mte_clear_tags(void *ptr, size_t size);
60 void mte_initialize_current_context(int mode, uintptr_t ptr, ssize_t range);
66 void *mte_insert_random_tag(void *ptr);
67 void *mte_insert_new_tag(void *ptr);
68 void *mte_get_tag_address(void *ptr);
69 void mte_set_tag_address_range(void *ptr, int range);
70 void mte_clear_tag_address_range(void *ptr, int range);
[all …]
Dcheck_mmap_options.c33 static int check_mte_memory(char *ptr, int size, int mode, int tag_check) in check_mte_memory() argument
35 mte_initialize_current_context(mode, (uintptr_t)ptr, size); in check_mte_memory()
36 memset(ptr, '1', size); in check_mte_memory()
41 mte_initialize_current_context(mode, (uintptr_t)ptr, -UNDERFLOW); in check_mte_memory()
42 memset(ptr - UNDERFLOW, '2', UNDERFLOW); in check_mte_memory()
49 mte_initialize_current_context(mode, (uintptr_t)ptr, size + OVERFLOW); in check_mte_memory()
50 memset(ptr + size, '3', OVERFLOW); in check_mte_memory()
62 char *ptr, *map_ptr; in check_anonymous_memory_mapping() local
73 ptr = map_ptr + UNDERFLOW; in check_anonymous_memory_mapping()
74 mte_initialize_current_context(mode, (uintptr_t)ptr, sizes[run]); in check_anonymous_memory_mapping()
[all …]
Dcheck_buffer_fill.c30 char *ptr; in check_buffer_by_byte() local
38 ptr = (char *)mte_allocate_memory(sizes[i], mem_type, 0, true); in check_buffer_by_byte()
39 if (check_allocated_memory(ptr, sizes[i], mem_type, true) != KSFT_PASS) in check_buffer_by_byte()
41 mte_initialize_current_context(mode, (uintptr_t)ptr, sizes[i]); in check_buffer_by_byte()
44 ptr[j] = '1'; in check_buffer_by_byte()
49 if (ptr[j] != '1') in check_buffer_by_byte()
52 mte_free_memory((void *)ptr, sizes[i], mem_type, true); in check_buffer_by_byte()
66 char *ptr; in check_buffer_underflow_by_byte() local
74 ptr = (char *)mte_allocate_memory_tag_range(sizes[i], mem_type, 0, in check_buffer_underflow_by_byte()
76 if (check_allocated_memory_range(ptr, sizes[i], mem_type, in check_buffer_underflow_by_byte()
[all …]
Dcheck_child_memory.c29 static int check_child_tag_inheritance(char *ptr, int size, int mode) in check_child_tag_inheritance() argument
34 parent_tag = MT_FETCH_TAG((uintptr_t)ptr); in check_child_tag_inheritance()
42 mte_initialize_current_context(mode, (uintptr_t)ptr, size); in check_child_tag_inheritance()
44 memset(ptr, '1', size); in check_child_tag_inheritance()
51 child_tag = MT_FETCH_TAG((uintptr_t)(mte_get_tag_address(ptr + i))); in check_child_tag_inheritance()
58 mte_initialize_current_context(mode, (uintptr_t)ptr, -UNDERFLOW); in check_child_tag_inheritance()
59 memset(ptr - UNDERFLOW, '2', UNDERFLOW); in check_child_tag_inheritance()
65 mte_initialize_current_context(mode, (uintptr_t)ptr, size + OVERFLOW); in check_child_tag_inheritance()
66 memset(ptr + size, '3', OVERFLOW); in check_child_tag_inheritance()
86 char *ptr; in check_child_memory_mapping() local
[all …]
Dmte_common_util.c97 void *mte_insert_tags(void *ptr, size_t size) in mte_insert_tags() argument
102 if (!ptr || (unsigned long)(ptr) & MT_ALIGN_GRANULE) { in mte_insert_tags()
103 ksft_print_msg("FAIL: Addr=%lx: invalid\n", ptr); in mte_insert_tags()
107 tag_ptr = mte_insert_random_tag(ptr); in mte_insert_tags()
112 void mte_clear_tags(void *ptr, size_t size) in mte_clear_tags() argument
114 if (!ptr || (unsigned long)(ptr) & MT_ALIGN_GRANULE) { in mte_clear_tags()
115 ksft_print_msg("FAIL: Addr=%lx: invalid\n", ptr); in mte_clear_tags()
119 ptr = (void *)MT_CLEAR_TAG((unsigned long)ptr); in mte_clear_tags()
120 mte_clear_tag_address_range(ptr, size); in mte_clear_tags()
127 void *ptr; in __mte_allocate_memory_range() local
[all …]
/tools/testing/selftests/arm64/pauth/
Dhelper.c6 size_t keyia_sign(size_t ptr) in keyia_sign() argument
8 asm volatile("paciza %0" : "+r" (ptr)); in keyia_sign()
9 return ptr; in keyia_sign()
12 size_t keyib_sign(size_t ptr) in keyib_sign() argument
14 asm volatile("pacizb %0" : "+r" (ptr)); in keyib_sign()
15 return ptr; in keyib_sign()
18 size_t keyda_sign(size_t ptr) in keyda_sign() argument
20 asm volatile("pacdza %0" : "+r" (ptr)); in keyda_sign()
21 return ptr; in keyda_sign()
24 size_t keydb_sign(size_t ptr) in keydb_sign() argument
[all …]
/tools/include/linux/
Derr.h40 static inline long __must_check PTR_ERR(__force const void *ptr) in PTR_ERR() argument
42 return (long) ptr; in PTR_ERR()
45 static inline bool __must_check IS_ERR(__force const void *ptr) in IS_ERR() argument
47 return IS_ERR_VALUE((unsigned long)ptr); in IS_ERR()
50 static inline bool __must_check IS_ERR_OR_NULL(__force const void *ptr) in IS_ERR_OR_NULL() argument
52 return unlikely(!ptr) || IS_ERR_VALUE((unsigned long)ptr); in IS_ERR_OR_NULL()
55 static inline int __must_check PTR_ERR_OR_ZERO(__force const void *ptr) in PTR_ERR_OR_ZERO() argument
57 if (IS_ERR(ptr)) in PTR_ERR_OR_ZERO()
58 return PTR_ERR(ptr); in PTR_ERR_OR_ZERO()
70 static inline void * __must_check ERR_CAST(__force const void *ptr) in ERR_CAST() argument
[all …]
/tools/testing/selftests/arm64/tags/
Dtags_test.c12 #define SET_TAG(ptr, tag) (((uint64_t)(ptr) & ~SHIFT_TAG(0xff)) | \ argument
19 struct utsname *ptr; in main() local
26 ptr = (struct utsname *)malloc(sizeof(*ptr)); in main()
27 if (!ptr) in main()
32 ptr = (struct utsname *)SET_TAG(ptr, tag); in main()
33 ksft_test_result(!uname(ptr), "Syscall successful with tagged address\n"); in main()
34 free(ptr); in main()
/tools/include/linux/unaligned/
Dpacked_struct.h13 const struct __una_u16 *ptr = (const struct __una_u16 *)p; in __get_unaligned_cpu16() local
14 return ptr->x; in __get_unaligned_cpu16()
19 const struct __una_u32 *ptr = (const struct __una_u32 *)p; in __get_unaligned_cpu32() local
20 return ptr->x; in __get_unaligned_cpu32()
25 const struct __una_u64 *ptr = (const struct __una_u64 *)p; in __get_unaligned_cpu64() local
26 return ptr->x; in __get_unaligned_cpu64()
31 struct __una_u16 *ptr = (struct __una_u16 *)p; in __put_unaligned_cpu16() local
32 ptr->x = val; in __put_unaligned_cpu16()
37 struct __una_u32 *ptr = (struct __una_u32 *)p; in __put_unaligned_cpu32() local
38 ptr->x = val; in __put_unaligned_cpu32()
[all …]
/tools/arch/x86/include/asm/
Dcmpxchg.h35 #define __raw_cmpxchg(ptr, old, new, size, lock) \ argument
37 __typeof__(*(ptr)) __ret; \
38 __typeof__(*(ptr)) __old = (old); \
39 __typeof__(*(ptr)) __new = (new); \
43 volatile u8 *__ptr = (volatile u8 *)(ptr); \
52 volatile u16 *__ptr = (volatile u16 *)(ptr); \
61 volatile u32 *__ptr = (volatile u32 *)(ptr); \
70 volatile u64 *__ptr = (volatile u64 *)(ptr); \
83 #define __cmpxchg(ptr, old, new, size) \ argument
84 __raw_cmpxchg((ptr), (old), (new), (size), LOCK_PREFIX)
[all …]
/tools/testing/selftests/bpf/
Dbpf_arena_common.h14 #define arena_container_of(ptr, type, member) \ argument
16 void __arena *__mptr = (void __arena *)(ptr); \
38 #define cast_kern(ptr) /* nop for bpf prog. emitted by LLVM */ argument
39 #define cast_user(ptr) /* nop for bpf prog. emitted by LLVM */ argument
43 #define cast_kern(ptr) bpf_addr_space_cast(ptr, 0, 1) argument
44 #define cast_user(ptr) bpf_addr_space_cast(ptr, 1, 0) argument
49 void bpf_arena_free_pages(void *map, void __arena *ptr, __u32 page_cnt) __ksym __weak;
55 #define cast_kern(ptr) /* nop for user space */ argument
56 #define cast_user(ptr) /* nop for user space */ argument
68 static inline void bpf_arena_free_pages(void *map, void __arena *ptr, __u32 page_cnt) in bpf_arena_free_pages() argument
/tools/virtio/linux/
Derr.h13 static inline long __must_check PTR_ERR(const void *ptr) in PTR_ERR() argument
15 return (long) ptr; in PTR_ERR()
18 static inline long __must_check IS_ERR(const void *ptr) in IS_ERR() argument
20 return IS_ERR_VALUE((unsigned long)ptr); in IS_ERR()
23 static inline long __must_check IS_ERR_OR_NULL(const void *ptr) in IS_ERR_OR_NULL() argument
25 return !ptr || IS_ERR_VALUE((unsigned long)ptr); in IS_ERR_OR_NULL()

12345678910>>...12