Soft Reminder
On 3/14/24 3:32 PM, Muhammad Usama Anjum wrote:
Conform the layout, informational and status messages to TAP. No functional change is intended other than the layout of output messages. Without using TAP messages, the passed/failed/skip test names cannot be found.
Signed-off-by: Muhammad Usama Anjum usama.anjum@collabora.com
tools/testing/selftests/x86/test_vsyscall.c | 506 +++++++++----------- 1 file changed, 238 insertions(+), 268 deletions(-)
diff --git a/tools/testing/selftests/x86/test_vsyscall.c b/tools/testing/selftests/x86/test_vsyscall.c index 47cab972807c4..d4c8e8d79d389 100644 --- a/tools/testing/selftests/x86/test_vsyscall.c +++ b/tools/testing/selftests/x86/test_vsyscall.c @@ -21,6 +21,13 @@ #include <sys/uio.h> #include "helpers.h" +#include "../kselftest.h"
+#ifdef __x86_64__ +#define TOTAL_TESTS 13 +#else +#define TOTAL_TESTS 8 +#endif #ifdef __x86_64__ # define VSYS(x) (x) @@ -39,18 +46,6 @@ /* max length of lines in /proc/self/maps - anything longer is skipped here */ #define MAPS_LINE_LEN 128 -static void sethandler(int sig, void (*handler)(int, siginfo_t *, void *),
int flags)
-{
- struct sigaction sa;
- memset(&sa, 0, sizeof(sa));
- sa.sa_sigaction = handler;
- sa.sa_flags = SA_SIGINFO | flags;
- sigemptyset(&sa.sa_mask);
- if (sigaction(sig, &sa, 0))
err(1, "sigaction");
-}
/* vsyscalls and vDSO */ bool vsyscall_map_r = false, vsyscall_map_x = false; @@ -75,83 +70,25 @@ static void init_vdso(void) if (!vdso) vdso = dlopen("linux-gate.so.1", RTLD_LAZY | RTLD_LOCAL | RTLD_NOLOAD); if (!vdso) {
printf("[WARN]\tfailed to find vDSO\n");
return; }ksft_print_msg("[WARN] failed to find vDSO\n");
vdso_gtod = (gtod_t)dlsym(vdso, "__vdso_gettimeofday"); if (!vdso_gtod)
printf("[WARN]\tfailed to find gettimeofday in vDSO\n");
ksft_print_msg("[WARN] failed to find gettimeofday in vDSO\n");
vdso_gettime = (vgettime_t)dlsym(vdso, "__vdso_clock_gettime"); if (!vdso_gettime)
printf("[WARN]\tfailed to find clock_gettime in vDSO\n");
ksft_print_msg("[WARN] failed to find clock_gettime in vDSO\n");
vdso_time = (time_func_t)dlsym(vdso, "__vdso_time"); if (!vdso_time)
printf("[WARN]\tfailed to find time in vDSO\n");
ksft_print_msg("[WARN] failed to find time in vDSO\n");
vdso_getcpu = (getcpu_t)dlsym(vdso, "__vdso_getcpu"); if (!vdso_getcpu)
printf("[WARN]\tfailed to find getcpu in vDSO\n");
-}
-static int init_vsys(void) -{ -#ifdef __x86_64__
- int nerrs = 0;
- FILE *maps;
- char line[MAPS_LINE_LEN];
- bool found = false;
- maps = fopen("/proc/self/maps", "r");
- if (!maps) {
printf("[WARN]\tCould not open /proc/self/maps -- assuming vsyscall is r-x\n");
vsyscall_map_r = true;
return 0;
- }
- while (fgets(line, MAPS_LINE_LEN, maps)) {
char r, x;
void *start, *end;
char name[MAPS_LINE_LEN];
/* sscanf() is safe here as strlen(name) >= strlen(line) */
if (sscanf(line, "%p-%p %c-%cp %*x %*x:%*x %*u %s",
&start, &end, &r, &x, name) != 5)
continue;
if (strcmp(name, "[vsyscall]"))
continue;
printf("\tvsyscall map: %s", line);
if (start != (void *)0xffffffffff600000 ||
end != (void *)0xffffffffff601000) {
printf("[FAIL]\taddress range is nonsense\n");
nerrs++;
}
printf("\tvsyscall permissions are %c-%c\n", r, x);
vsyscall_map_r = (r == 'r');
vsyscall_map_x = (x == 'x');
found = true;
break;
- }
- fclose(maps);
- if (!found) {
printf("\tno vsyscall map in /proc/self/maps\n");
vsyscall_map_r = false;
vsyscall_map_x = false;
- }
- return nerrs;
-#else
- return 0;
-#endif
ksft_print_msg("[WARN] failed to find getcpu in vDSO\n");
} /* syscalls */ @@ -176,98 +113,76 @@ static inline long sys_getcpu(unsigned * cpu, unsigned * node, return syscall(SYS_getcpu, cpu, node, cache); } -static jmp_buf jmpbuf; -static volatile unsigned long segv_err;
-static void sigsegv(int sig, siginfo_t *info, void *ctx_void) -{
- ucontext_t *ctx = (ucontext_t *)ctx_void;
- segv_err = ctx->uc_mcontext.gregs[REG_ERR];
- siglongjmp(jmpbuf, 1);
-}
static double tv_diff(const struct timeval *a, const struct timeval *b) { return (double)(a->tv_sec - b->tv_sec) + (double)((int)a->tv_usec - (int)b->tv_usec) * 1e-6; } -static int check_gtod(const struct timeval *tv_sys1,
const struct timeval *tv_sys2,
const struct timezone *tz_sys,
const char *which,
const struct timeval *tv_other,
const struct timezone *tz_other)
+static void check_gtod(const struct timeval *tv_sys1,
const struct timeval *tv_sys2,
const struct timezone *tz_sys,
const char *which,
const struct timeval *tv_other,
const struct timezone *tz_other)
{
- int nerrs = 0; double d1, d2;
- if (tz_other && (tz_sys->tz_minuteswest != tz_other->tz_minuteswest || tz_sys->tz_dsttime != tz_other->tz_dsttime)) {
printf("[FAIL] %s tz mismatch\n", which);
nerrs++;
- }
- if (tz_other && (tz_sys->tz_minuteswest != tz_other->tz_minuteswest ||
tz_sys->tz_dsttime != tz_other->tz_dsttime))
ksft_print_msg("%s tz mismatch\n", which);
d1 = tv_diff(tv_other, tv_sys1); d2 = tv_diff(tv_sys2, tv_other);
- printf("\t%s time offsets: %lf %lf\n", which, d1, d2);
- if (d1 < 0 || d2 < 0) {
printf("[FAIL]\t%s time was inconsistent with the syscall\n", which);
nerrs++;
- } else {
printf("[OK]\t%s gettimeofday()'s timeval was okay\n", which);
- }
- ksft_print_msg("%s time offsets: %lf %lf\n", which, d1, d2);
- return nerrs;
- ksft_test_result(!(d1 < 0 || d2 < 0), "%s gettimeofday()'s timeval\n", which);
} -static int test_gtod(void) +static void test_gtod(void) { struct timeval tv_sys1, tv_sys2, tv_vdso, tv_vsys; struct timezone tz_sys, tz_vdso, tz_vsys; long ret_vdso = -1; long ret_vsys = -1;
- int nerrs = 0;
- printf("[RUN]\ttest gettimeofday()\n");
- ksft_print_msg("test gettimeofday()\n");
if (sys_gtod(&tv_sys1, &tz_sys) != 0)
err(1, "syscall gettimeofday");
if (vdso_gtod) ret_vdso = vdso_gtod(&tv_vdso, &tz_vdso); if (vsyscall_map_x) ret_vsys = vgtod(&tv_vsys, &tz_vsys); if (sys_gtod(&tv_sys2, &tz_sys) != 0)ksft_exit_fail_msg("syscall gettimeofday: %s\n", strerror(errno));
err(1, "syscall gettimeofday");
ksft_exit_fail_msg("syscall gettimeofday: %s\n", strerror(errno));
if (vdso_gtod) {
if (ret_vdso == 0) {
nerrs += check_gtod(&tv_sys1, &tv_sys2, &tz_sys, "vDSO", &tv_vdso, &tz_vdso);
} else {
printf("[FAIL]\tvDSO gettimeofday() failed: %ld\n", ret_vdso);
nerrs++;
}
if (ret_vdso == 0)
check_gtod(&tv_sys1, &tv_sys2, &tz_sys, "vDSO", &tv_vdso, &tz_vdso);
else
ksft_test_result_fail("vDSO gettimeofday() failed: %ld\n", ret_vdso);
- } else {
}ksft_test_result_skip("vdso_gtod isn't set\n");
if (vsyscall_map_x) {
if (ret_vsys == 0) {
nerrs += check_gtod(&tv_sys1, &tv_sys2, &tz_sys, "vsyscall", &tv_vsys, &tz_vsys);
} else {
printf("[FAIL]\tvsys gettimeofday() failed: %ld\n", ret_vsys);
nerrs++;
}
if (ret_vsys == 0)
check_gtod(&tv_sys1, &tv_sys2, &tz_sys, "vsyscall", &tv_vsys, &tz_vsys);
else
ksft_test_result_fail("vsys gettimeofday() failed: %ld\n", ret_vsys);
- } else {
}ksft_test_result_skip("vsyscall_map_x isn't set\n");
- return nerrs;
} -static int test_time(void) {
- int nerrs = 0;
- printf("[RUN]\ttest time()\n");
+static void test_time(void) +{ long t_sys1, t_sys2, t_vdso = 0, t_vsys = 0; long t2_sys1 = -1, t2_sys2 = -1, t2_vdso = -1, t2_vsys = -1;
- ksft_print_msg("test time()\n"); t_sys1 = sys_time(&t2_sys1); if (vdso_time) t_vdso = vdso_time(&t2_vdso);
@@ -275,56 +190,60 @@ static int test_time(void) { t_vsys = vtime(&t2_vsys); t_sys2 = sys_time(&t2_sys2); if (t_sys1 < 0 || t_sys1 != t2_sys1 || t_sys2 < 0 || t_sys2 != t2_sys2) {
printf("[FAIL]\tsyscall failed (ret1:%ld output1:%ld ret2:%ld output2:%ld)\n", t_sys1, t2_sys1, t_sys2, t2_sys2);
nerrs++;
return nerrs;
ksft_print_msg("syscall failed (ret1:%ld output1:%ld ret2:%ld output2:%ld)\n",
t_sys1, t2_sys1, t_sys2, t2_sys2);
ksft_test_result_skip("vdso_time\n");
ksft_test_result_skip("vdso_time\n");
}return;
if (vdso_time) {
if (t_vdso < 0 || t_vdso != t2_vdso) {
printf("[FAIL]\tvDSO failed (ret:%ld output:%ld)\n", t_vdso, t2_vdso);
nerrs++;
} else if (t_vdso < t_sys1 || t_vdso > t_sys2) {
printf("[FAIL]\tvDSO returned the wrong time (%ld %ld %ld)\n", t_sys1, t_vdso, t_sys2);
nerrs++;
} else {
printf("[OK]\tvDSO time() is okay\n");
}
if (t_vdso < 0 || t_vdso != t2_vdso)
ksft_test_result_fail("vDSO failed (ret:%ld output:%ld)\n",
t_vdso, t2_vdso);
else if (t_vdso < t_sys1 || t_vdso > t_sys2)
ksft_test_result_fail("vDSO returned the wrong time (%ld %ld %ld)\n",
t_sys1, t_vdso, t_sys2);
else
ksft_test_result_pass("vDSO time() is okay\n");
- } else {
}ksft_test_result_skip("vdso_time isn't set\n");
if (vsyscall_map_x) {
if (t_vsys < 0 || t_vsys != t2_vsys) {
printf("[FAIL]\tvsyscall failed (ret:%ld output:%ld)\n", t_vsys, t2_vsys);
nerrs++;
} else if (t_vsys < t_sys1 || t_vsys > t_sys2) {
printf("[FAIL]\tvsyscall returned the wrong time (%ld %ld %ld)\n", t_sys1, t_vsys, t_sys2);
nerrs++;
} else {
printf("[OK]\tvsyscall time() is okay\n");
}
if (t_vsys < 0 || t_vsys != t2_vsys)
ksft_test_result_fail("vsyscall failed (ret:%ld output:%ld)\n",
t_vsys, t2_vsys);
else if (t_vsys < t_sys1 || t_vsys > t_sys2)
ksft_test_result_fail("vsyscall returned the wrong time (%ld %ld %ld)\n",
t_sys1, t_vsys, t_sys2);
else
ksft_test_result_pass("vsyscall time() is okay\n");
- } else {
}ksft_test_result_skip("vsyscall_map_x isn't set\n");
- return nerrs;
} -static int test_getcpu(int cpu) +static void test_getcpu(int cpu) {
- int nerrs = 0;
- unsigned int cpu_sys, cpu_vdso, cpu_vsys, node_sys, node_vdso, node_vsys; long ret_sys, ret_vdso = -1, ret_vsys = -1;
- unsigned int node = 0;
- bool have_node = false;
- cpu_set_t cpuset;
- printf("[RUN]\tgetcpu() on CPU %d\n", cpu);
- ksft_print_msg("getcpu() on CPU %d\n", cpu);
- cpu_set_t cpuset; CPU_ZERO(&cpuset); CPU_SET(cpu, &cpuset); if (sched_setaffinity(0, sizeof(cpuset), &cpuset) != 0) {
printf("[SKIP]\tfailed to force CPU %d\n", cpu);
return nerrs;
ksft_print_msg("failed to force CPU %d\n", cpu);
ksft_test_result_skip("vdso_getcpu\n");
ksft_test_result_skip("vsyscall_map_x\n");
}return;
- unsigned cpu_sys, cpu_vdso, cpu_vsys, node_sys, node_vdso, node_vsys;
- unsigned node = 0;
- bool have_node = false; ret_sys = sys_getcpu(&cpu_sys, &node_sys, 0); if (vdso_getcpu) ret_vdso = vdso_getcpu(&cpu_vdso, &node_vdso, 0);
@@ -332,10 +251,9 @@ static int test_getcpu(int cpu) ret_vsys = vgetcpu(&cpu_vsys, &node_vsys, 0); if (ret_sys == 0) {
if (cpu_sys != cpu) {
printf("[FAIL]\tsyscall reported CPU %hu but should be %d\n", cpu_sys, cpu);
nerrs++;
}
if (cpu_sys != cpu)
ksft_print_msg("syscall reported CPU %hu but should be %d\n",
cpu_sys, cpu);
have_node = true; node = node_sys; @@ -343,63 +261,84 @@ static int test_getcpu(int cpu) if (vdso_getcpu) { if (ret_vdso) {
printf("[FAIL]\tvDSO getcpu() failed\n");
nerrs++;
} else { if (!have_node) { have_node = true; node = node_vdso; }ksft_test_result_fail("vDSO getcpu() failed\n");
if (cpu_vdso != cpu) {
printf("[FAIL]\tvDSO reported CPU %hu but should be %d\n", cpu_vdso, cpu);
nerrs++;
} else {
printf("[OK]\tvDSO reported correct CPU\n");
}
if (node_vdso != node) {
printf("[FAIL]\tvDSO reported node %hu but should be %hu\n", node_vdso, node);
nerrs++;
if (cpu_vdso != cpu || node_vdso != node) {
if (cpu_vdso != cpu)
ksft_print_msg("vDSO reported CPU %hu but should be %d\n",
cpu_vdso, cpu);
if (node_vdso != node)
ksft_print_msg("vDSO reported node %hu but should be %hu\n",
node_vdso, node);
ksft_test_result_fail("Wrong values\n"); } else {
printf("[OK]\tvDSO reported correct node\n");
}ksft_test_result_pass("vDSO reported correct CPU and node\n"); }
- } else {
}ksft_test_result_skip("vdso_getcpu isn't set\n");
if (vsyscall_map_x) { if (ret_vsys) {
printf("[FAIL]\tvsyscall getcpu() failed\n");
nerrs++;
} else { if (!have_node) { have_node = true; node = node_vsys; }ksft_test_result_fail("vsyscall getcpu() failed\n");
if (cpu_vsys != cpu) {
printf("[FAIL]\tvsyscall reported CPU %hu but should be %d\n", cpu_vsys, cpu);
nerrs++;
if (cpu_vsys != cpu || node_vsys != node) {
if (cpu_vsys != cpu)
ksft_print_msg("vsyscall reported CPU %hu but should be %d\n",
cpu_vsys, cpu);
if (node_vsys != node)
ksft_print_msg("vsyscall reported node %hu but should be %hu\n",
node_vsys, node);
ksft_test_result_fail("Wrong values\n"); } else {
printf("[OK]\tvsyscall reported correct CPU\n");
}
if (node_vsys != node) {
printf("[FAIL]\tvsyscall reported node %hu but should be %hu\n", node_vsys, node);
nerrs++;
} else {
printf("[OK]\tvsyscall reported correct node\n");
}ksft_test_result_pass("vsyscall reported correct CPU and node\n"); }
- } else {
}ksft_test_result_skip("vsyscall_map_x isn't set\n");
+}
+#ifdef __x86_64__
+static jmp_buf jmpbuf; +static volatile unsigned long segv_err;
+static void sethandler(int sig, void (*handler)(int, siginfo_t *, void *),
int flags)
+{
- struct sigaction sa;
- return nerrs;
- memset(&sa, 0, sizeof(sa));
- sa.sa_sigaction = handler;
- sa.sa_flags = SA_SIGINFO | flags;
- sigemptyset(&sa.sa_mask);
- if (sigaction(sig, &sa, 0))
ksft_exit_fail_msg("sigaction failed\n");
} -static int test_vsys_r(void) +static void sigsegv(int sig, siginfo_t *info, void *ctx_void) { -#ifdef __x86_64__
- printf("[RUN]\tChecking read access to the vsyscall page\n");
- ucontext_t *ctx = (ucontext_t *)ctx_void;
- segv_err = ctx->uc_mcontext.gregs[REG_ERR];
- siglongjmp(jmpbuf, 1);
+}
+static void test_vsys_r(void) +{
- ksft_print_msg("Checking read access to the vsyscall page\n"); bool can_read; if (sigsetjmp(jmpbuf, 1) == 0) { *(volatile int *)0xffffffffff600000;
@@ -408,32 +347,25 @@ static int test_vsys_r(void) can_read = false; }
- if (can_read && !vsyscall_map_r) {
printf("[FAIL]\tWe have read access, but we shouldn't\n");
return 1;
- } else if (!can_read && vsyscall_map_r) {
printf("[FAIL]\tWe don't have read access, but we should\n");
return 1;
- } else if (can_read) {
printf("[OK]\tWe have read access\n");
- } else {
printf("[OK]\tWe do not have read access: #PF(0x%lx)\n",
segv_err);
- }
-#endif
- return 0;
- if (can_read && !vsyscall_map_r)
ksft_test_result_fail("We have read access, but we shouldn't\n");
- else if (!can_read && vsyscall_map_r)
ksft_test_result_fail("We don't have read access, but we should\n");
- else if (can_read)
ksft_test_result_pass("We have read access\n");
- else
ksft_test_result_pass("We do not have read access: #PF(0x%lx)\n", segv_err);
} -static int test_vsys_x(void) +static void test_vsys_x(void) { -#ifdef __x86_64__ if (vsyscall_map_x) { /* We already tested this adequately. */
return 0;
ksft_test_result_pass("vsyscall_map_x is true\n");
}return;
- printf("[RUN]\tMake sure that vsyscalls really page fault\n");
- ksft_print_msg("Make sure that vsyscalls really page fault\n");
bool can_exec; if (sigsetjmp(jmpbuf, 1) == 0) { @@ -443,20 +375,14 @@ static int test_vsys_x(void) can_exec = false; }
- if (can_exec) {
printf("[FAIL]\tExecuting the vsyscall did not page fault\n");
return 1;
- } else if (segv_err & (1 << 4)) { /* INSTR */
printf("[OK]\tExecuting the vsyscall page failed: #PF(0x%lx)\n",
segv_err);
- } else {
printf("[FAIL]\tExecution failed with the wrong error: #PF(0x%lx)\n",
segv_err);
return 1;
- }
-#endif
- return 0;
- if (can_exec)
ksft_test_result_fail("Executing the vsyscall did not page fault\n");
- else if (segv_err & (1 << 4)) /* INSTR */
ksft_test_result_pass("Executing the vsyscall page failed: #PF(0x%lx)\n",
segv_err);
- else
ksft_test_result_fail("Execution failed with the wrong error: #PF(0x%lx)\n",
segv_err);
} /* @@ -470,14 +396,13 @@ static int test_vsys_x(void)
- fact that ptrace() ever worked was a nice courtesy of old kernels,
- but the code to support it is fairly gross.
*/ -static int test_process_vm_readv(void) +static void test_process_vm_readv(void) { -#ifdef __x86_64__ char buf[4096]; struct iovec local, remote; int ret;
- printf("[RUN]\tprocess_vm_readv() from vsyscall page\n");
- ksft_print_msg("process_vm_readv() from vsyscall page\n");
local.iov_base = buf; local.iov_len = 4096; @@ -489,27 +414,71 @@ static int test_process_vm_readv(void) * We expect process_vm_readv() to work if and only if the * vsyscall page is readable. */
printf("[%s]\tprocess_vm_readv() failed (ret = %d, errno = %d)\n", vsyscall_map_r ? "FAIL" : "OK", ret, errno);
return vsyscall_map_r ? 1 : 0;
ksft_test_result(!vsyscall_map_r,
"process_vm_readv() failed (ret = %d, errno = %d)\n", ret, errno);
}return;
- if (vsyscall_map_r) {
if (!memcmp(buf, remote.iov_base, sizeof(buf))) {
printf("[OK]\tIt worked and read correct data\n");
} else {
printf("[FAIL]\tIt worked but returned incorrect data\n");
return 1;
- if (vsyscall_map_r)
ksft_test_result(!memcmp(buf, remote.iov_base, sizeof(buf)), "Read data\n");
- else
ksft_test_result_fail("process_rm_readv() succeeded, but it should have failed in this configuration\n");
+}
+static void init_vsys(void) +{
- int nerrs = 0;
- FILE *maps;
- char line[MAPS_LINE_LEN];
- bool found = false;
- maps = fopen("/proc/self/maps", "r");
- if (!maps) {
ksft_test_result_skip("Could not open /proc/self/maps -- assuming vsyscall is r-x\n");
vsyscall_map_r = true;
return;
- }
- while (fgets(line, MAPS_LINE_LEN, maps)) {
char r, x;
void *start, *end;
char name[MAPS_LINE_LEN];
/* sscanf() is safe here as strlen(name) >= strlen(line) */
if (sscanf(line, "%p-%p %c-%cp %*x %*x:%*x %*u %s",
&start, &end, &r, &x, name) != 5)
continue;
if (strcmp(name, "[vsyscall]"))
continue;
ksft_print_msg("vsyscall map: %s", line);
if (start != (void *)0xffffffffff600000 ||
end != (void *)0xffffffffff601000) {
ksft_print_msg("address range is nonsense\n");
}nerrs++;
- } else {
printf("[FAIL]\tprocess_rm_readv() succeeded, but it should have failed in this configuration\n");
return 1;
ksft_print_msg("vsyscall permissions are %c-%c\n", r, x);
vsyscall_map_r = (r == 'r');
vsyscall_map_x = (x == 'x');
found = true;
}break;
-#endif
- return 0;
- fclose(maps);
- if (!found) {
ksft_print_msg("no vsyscall map in /proc/self/maps\n");
vsyscall_map_r = false;
vsyscall_map_x = false;
- }
- ksft_test_result(!nerrs, "vsyscall map\n");
} -#ifdef __x86_64__ static volatile sig_atomic_t num_vsyscall_traps; static void sigtrap(int sig, siginfo_t *info, void *ctx_void) @@ -521,15 +490,17 @@ static void sigtrap(int sig, siginfo_t *info, void *ctx_void) num_vsyscall_traps++; } -static int test_emulation(void) +static void test_emulation(void) { time_t tmp; bool is_native;
- if (!vsyscall_map_x)
return 0;
- if (!vsyscall_map_x) {
ksft_test_result_skip("vsyscall_map_x isn't set\n");
return;
- }
- printf("[RUN]\tchecking that vsyscalls are emulated\n");
- ksft_print_msg("checking that vsyscalls are emulated\n"); sethandler(SIGTRAP, sigtrap, 0); set_eflags(get_eflags() | X86_EFLAGS_TF); vtime(&tmp);
@@ -545,36 +516,35 @@ static int test_emulation(void) */ is_native = (num_vsyscall_traps > 1);
- printf("[%s]\tvsyscalls are %s (%d instructions in vsyscall page)\n",
(is_native ? "FAIL" : "OK"),
(is_native ? "native" : "emulated"),
(int)num_vsyscall_traps);
- return is_native;
- ksft_test_result(!is_native, "vsyscalls are %s (%d instructions in vsyscall page)\n",
(is_native ? "native" : "emulated"), (int)num_vsyscall_traps);
} #endif int main(int argc, char **argv) {
- int nerrs = 0;
- int total_tests = TOTAL_TESTS;
- init_vdso();
- nerrs += init_vsys();
- ksft_print_header();
- ksft_set_plan(total_tests);
- nerrs += test_gtod();
- nerrs += test_time();
- nerrs += test_getcpu(0);
- nerrs += test_getcpu(1);
- sethandler(SIGSEGV, sigsegv, 0);
- nerrs += test_vsys_r();
- nerrs += test_vsys_x();
- init_vdso();
+#ifdef __x86_64__
- init_vsys();
+#endif
- nerrs += test_process_vm_readv();
- test_gtod();
- test_time();
- test_getcpu(0);
- test_getcpu(1);
#ifdef __x86_64__
- nerrs += test_emulation();
- sethandler(SIGSEGV, sigsegv, 0);
- test_vsys_r();
- test_vsys_x();
- test_process_vm_readv();
- test_emulation();
#endif
- return nerrs ? 1 : 0;
- ksft_finished();
}