return *ptr;
}
-void cat_into_file(char *str, char *file)
+static void cat_into_file(char *str, char *file)
{
int fd = open(file, O_RDWR);
int ret;
#if CONTROL_TRACING > 0
static int warned_tracing;
-int tracing_root_ok(void)
+static int tracing_root_ok(void)
{
if (geteuid() != 0) {
if (!warned_tracing)
}
#endif
-void tracing_on(void)
+static void tracing_on(void)
{
#if CONTROL_TRACING > 0
#define TRACEDIR "/sys/kernel/tracing"
#endif
}
-void tracing_off(void)
+static void tracing_off(void)
{
#if CONTROL_TRACING > 0
if (!tracing_root_ok())
#else
__attribute__((__aligned__(PAGE_SIZE)))
#endif
-void lots_o_noops_around_write(int *write_to_me)
+static void lots_o_noops_around_write(int *write_to_me)
{
dprintf3("running %s()\n", __func__);
__page_o_noops();
dprintf3("%s() done\n", __func__);
}
-void dump_mem(void *dumpme, int len_bytes)
+static void dump_mem(void *dumpme, int len_bytes)
{
char *c = (void *)dumpme;
int i;
return 0;
}
-void pkey_disable_set(int pkey, int flags)
+static void pkey_disable_set(int pkey, int flags)
{
unsigned long syscall_flags = 0;
int ret;
pkey, flags);
}
-void pkey_disable_clear(int pkey, int flags)
+static void pkey_disable_clear(int pkey, int flags)
{
unsigned long syscall_flags = 0;
int ret;
pkey, read_pkey_reg());
}
-void pkey_write_allow(int pkey)
+__maybe_unused static void pkey_write_allow(int pkey)
{
pkey_disable_clear(pkey, PKEY_DISABLE_WRITE);
}
-void pkey_write_deny(int pkey)
+__maybe_unused static void pkey_write_deny(int pkey)
{
pkey_disable_set(pkey, PKEY_DISABLE_WRITE);
}
-void pkey_access_allow(int pkey)
+__maybe_unused static void pkey_access_allow(int pkey)
{
pkey_disable_clear(pkey, PKEY_DISABLE_ACCESS);
}
-void pkey_access_deny(int pkey)
+__maybe_unused static void pkey_access_deny(int pkey)
{
pkey_disable_set(pkey, PKEY_DISABLE_ACCESS);
}
return "UNKNOWN";
}
-int pkey_faults;
-int last_si_pkey = -1;
-void signal_handler(int signum, siginfo_t *si, void *vucontext)
+static int pkey_faults;
+static int last_si_pkey = -1;
+static void signal_handler(int signum, siginfo_t *si, void *vucontext)
{
ucontext_t *uctxt = vucontext;
int trapno;
dprint_in_signal = 0;
}
-void sig_chld(int x)
+static void sig_chld(int x)
{
dprint_in_signal = 1;
dprintf2("[%d] SIGCHLD: %d\n", getpid(), x);
dprint_in_signal = 0;
}
-void setup_sigsegv_handler(void)
+static void setup_sigsegv_handler(void)
{
int r, rs;
struct sigaction newact;
pkey_assert(r == 0);
}
-void setup_handlers(void)
+static void setup_handlers(void)
{
signal(SIGCHLD, &sig_chld);
setup_sigsegv_handler();
}
-pid_t fork_lazy_child(void)
+static pid_t fork_lazy_child(void)
{
pid_t forkret;
return ret;
}
-int alloc_pkey(void)
+static int alloc_pkey(void)
{
int ret;
unsigned long init_val = 0x0;
* not cleared. This ensures we get lots of random bit sets
* and clears on the vma and pte pkey bits.
*/
-int alloc_random_pkey(void)
+static int alloc_random_pkey(void)
{
int max_nr_pkey_allocs;
int ret;
};
struct pkey_malloc_record *pkey_malloc_records;
struct pkey_malloc_record *pkey_last_malloc_record;
-long nr_pkey_malloc_records;
+static long nr_pkey_malloc_records;
void record_pkey_malloc(void *ptr, long size, int prot)
{
long i;
nr_pkey_malloc_records++;
}
-void free_pkey_malloc(void *ptr)
+static void free_pkey_malloc(void *ptr)
{
long i;
int ret;
pkey_assert(false);
}
-
-void *malloc_pkey_with_mprotect(long size, int prot, u16 pkey)
+static void *malloc_pkey_with_mprotect(long size, int prot, u16 pkey)
{
void *ptr;
int ret;
return ptr;
}
-void *malloc_pkey_anon_huge(long size, int prot, u16 pkey)
+static void *malloc_pkey_anon_huge(long size, int prot, u16 pkey)
{
int ret;
void *ptr;
return ptr;
}
-int hugetlb_setup_ok;
+static int hugetlb_setup_ok;
#define SYSFS_FMT_NR_HUGE_PAGES "/sys/kernel/mm/hugepages/hugepages-%ldkB/nr_hugepages"
#define GET_NR_HUGE_PAGES 10
-void setup_hugetlbfs(void)
+static void setup_hugetlbfs(void)
{
int err;
int fd;
hugetlb_setup_ok = 1;
}
-void *malloc_pkey_hugetlb(long size, int prot, u16 pkey)
+static void *malloc_pkey_hugetlb(long size, int prot, u16 pkey)
{
void *ptr;
int flags = MAP_ANONYMOUS|MAP_PRIVATE|MAP_HUGETLB;
return ptr;
}
-void *(*pkey_malloc[])(long size, int prot, u16 pkey) = {
+static void *(*pkey_malloc[])(long size, int prot, u16 pkey) = {
malloc_pkey_with_mprotect,
malloc_pkey_with_mprotect_subpage,
malloc_pkey_hugetlb
};
-void *malloc_pkey(long size, int prot, u16 pkey)
+static void *malloc_pkey(long size, int prot, u16 pkey)
{
void *ret;
static int malloc_type;
return ret;
}
-int last_pkey_faults;
+static int last_pkey_faults;
#define UNKNOWN_PKEY -2
void expected_pkey_fault(int pkey)
{
pkey_assert(last_pkey_faults == pkey_faults); \
} while (0)
-int test_fds[10] = { -1 };
-int nr_test_fds;
-void __save_test_fd(int fd)
+static int test_fds[10] = { -1 };
+static int nr_test_fds;
+static void __save_test_fd(int fd)
{
pkey_assert(fd >= 0);
pkey_assert(nr_test_fds < ARRAY_SIZE(test_fds));
nr_test_fds++;
}
-int get_test_read_fd(void)
+static int get_test_read_fd(void)
{
int test_fd = open("/etc/passwd", O_RDONLY);
__save_test_fd(test_fd);
return test_fd;
}
-void close_test_fds(void)
+static void close_test_fds(void)
{
int i;
nr_test_fds = 0;
}
-void test_pkey_alloc_free_attach_pkey0(int *ptr, u16 pkey)
+static void test_pkey_alloc_free_attach_pkey0(int *ptr, u16 pkey)
{
int i, err;
int max_nr_pkey_allocs;
pkey_assert(!err);
}
-void test_read_of_write_disabled_region(int *ptr, u16 pkey)
+static void test_read_of_write_disabled_region(int *ptr, u16 pkey)
{
int ptr_contents;
dprintf1("*ptr: %d\n", ptr_contents);
dprintf1("\n");
}
-void test_read_of_access_disabled_region(int *ptr, u16 pkey)
+static void test_read_of_access_disabled_region(int *ptr, u16 pkey)
{
int ptr_contents;
expected_pkey_fault(pkey);
}
-void test_read_of_access_disabled_region_with_page_already_mapped(int *ptr,
+static void test_read_of_access_disabled_region_with_page_already_mapped(int *ptr,
u16 pkey)
{
int ptr_contents;
expected_pkey_fault(pkey);
}
-void test_write_of_write_disabled_region_with_page_already_mapped(int *ptr,
+static void test_write_of_write_disabled_region_with_page_already_mapped(int *ptr,
u16 pkey)
{
*ptr = __LINE__;
expected_pkey_fault(pkey);
}
-void test_write_of_write_disabled_region(int *ptr, u16 pkey)
+static void test_write_of_write_disabled_region(int *ptr, u16 pkey)
{
dprintf1("disabling write access to PKEY[%02d], doing write\n", pkey);
pkey_write_deny(pkey);
*ptr = __LINE__;
expected_pkey_fault(pkey);
}
-void test_write_of_access_disabled_region(int *ptr, u16 pkey)
+static void test_write_of_access_disabled_region(int *ptr, u16 pkey)
{
dprintf1("disabling access to PKEY[%02d], doing write\n", pkey);
pkey_access_deny(pkey);
expected_pkey_fault(pkey);
}
-void test_write_of_access_disabled_region_with_page_already_mapped(int *ptr,
+static void test_write_of_access_disabled_region_with_page_already_mapped(int *ptr,
u16 pkey)
{
*ptr = __LINE__;
expected_pkey_fault(pkey);
}
-void test_kernel_write_of_access_disabled_region(int *ptr, u16 pkey)
+static void test_kernel_write_of_access_disabled_region(int *ptr, u16 pkey)
{
int ret;
int test_fd = get_test_read_fd();
dprintf1("read ret: %d\n", ret);
pkey_assert(ret);
}
-void test_kernel_write_of_write_disabled_region(int *ptr, u16 pkey)
+
+static void test_kernel_write_of_write_disabled_region(int *ptr, u16 pkey)
{
int ret;
int test_fd = get_test_read_fd();
pkey_assert(ret);
}
-void test_kernel_gup_of_access_disabled_region(int *ptr, u16 pkey)
+static void test_kernel_gup_of_access_disabled_region(int *ptr, u16 pkey)
{
int pipe_ret, vmsplice_ret;
struct iovec iov;
close(pipe_fds[1]);
}
-void test_kernel_gup_write_to_write_disabled_region(int *ptr, u16 pkey)
+static void test_kernel_gup_write_to_write_disabled_region(int *ptr, u16 pkey)
{
int ignored = 0xdada;
int futex_ret;
}
/* Assumes that all pkeys other than 'pkey' are unallocated */
-void test_pkey_syscalls_on_non_allocated_pkey(int *ptr, u16 pkey)
+static void test_pkey_syscalls_on_non_allocated_pkey(int *ptr, u16 pkey)
{
int err;
int i;
}
/* Assumes that all pkeys other than 'pkey' are unallocated */
-void test_pkey_syscalls_bad_args(int *ptr, u16 pkey)
+static void test_pkey_syscalls_bad_args(int *ptr, u16 pkey)
{
int err;
int bad_pkey = NR_PKEYS+99;
pkey_assert(err);
}
-void become_child(void)
+static void become_child(void)
{
pid_t forkret;
}
/* Assumes that all pkeys other than 'pkey' are unallocated */
-void test_pkey_alloc_exhaust(int *ptr, u16 pkey)
+static void test_pkey_alloc_exhaust(int *ptr, u16 pkey)
{
int err;
int allocated_pkeys[NR_PKEYS] = {0};
}
}
-void arch_force_pkey_reg_init(void)
+static void arch_force_pkey_reg_init(void)
{
#if defined(__i386__) || defined(__x86_64__) /* arch */
u64 *buf;
* a long-running test that continually checks the pkey
* register.
*/
-void test_pkey_init_state(int *ptr, u16 pkey)
+static void test_pkey_init_state(int *ptr, u16 pkey)
{
int err;
int allocated_pkeys[NR_PKEYS] = {0};
* have to call pkey_alloc() to use it first. Make sure that it
* is usable.
*/
-void test_mprotect_with_pkey_0(int *ptr, u16 pkey)
+static void test_mprotect_with_pkey_0(int *ptr, u16 pkey)
{
long size;
int prot;
mprotect_pkey(ptr, size, prot, pkey);
}
-void test_ptrace_of_child(int *ptr, u16 pkey)
+static void test_ptrace_of_child(int *ptr, u16 pkey)
{
__attribute__((__unused__)) int peek_result;
pid_t child_pid;
free(plain_ptr_unaligned);
}
-void *get_pointer_to_instructions(void)
+static void *get_pointer_to_instructions(void)
{
void *p1;
return p1;
}
-void test_executing_on_unreadable_memory(int *ptr, u16 pkey)
+static void test_executing_on_unreadable_memory(int *ptr, u16 pkey)
{
void *p1;
int scratch;
pkey_assert(!ret);
}
-void test_implicit_mprotect_exec_only_memory(int *ptr, u16 pkey)
+static void test_implicit_mprotect_exec_only_memory(int *ptr, u16 pkey)
{
void *p1;
int scratch;
}
#if defined(__i386__) || defined(__x86_64__)
-void test_ptrace_modifies_pkru(int *ptr, u16 pkey)
+static void test_ptrace_modifies_pkru(int *ptr, u16 pkey)
{
u32 new_pkru;
pid_t child;
#endif
#if defined(__aarch64__)
-void test_ptrace_modifies_pkru(int *ptr, u16 pkey)
+static void test_ptrace_modifies_pkru(int *ptr, u16 pkey)
{
pid_t child;
int status, ret;
}
#endif
-void test_mprotect_pkey_on_unsupported_cpu(int *ptr, u16 pkey)
+static void test_mprotect_pkey_on_unsupported_cpu(int *ptr, u16 pkey)
{
int size = PAGE_SIZE;
int sret;
pkey_assert(sret < 0);
}
-void (*pkey_tests[])(int *ptr, u16 pkey) = {
+static void (*pkey_tests[])(int *ptr, u16 pkey) = {
test_read_of_write_disabled_region,
test_read_of_access_disabled_region,
test_read_of_access_disabled_region_with_page_already_mapped,
#endif
};
-void run_tests_once(void)
+static void run_tests_once(void)
{
int *ptr;
int prot = PROT_READ|PROT_WRITE;
iteration_nr++;
}
-void pkey_setup_shadow(void)
+static void pkey_setup_shadow(void)
{
shadow_pkey_reg = __read_pkey_reg();
}
projects / thirdparty / linux.git / commitdiff
