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Test "Scalable Vector Extension (SVE) support." on arm64

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Change-Id: I3abaca932985a06b06887b962e769f2eac96c738
This commit is contained in:
Shiratori, Takehiro
2019-02-20 20:57:26 +09:00
committed by Masamichi Takagi
parent 6810506c3d
commit 7da5fede8b
57 changed files with 6921 additions and 0 deletions
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86
test/sve/src/037.c Normal file
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/* 037.c COPYRIGHT FUJITSU LIMITED 2017-2019 */
/* Confirmation of execve() operation when VL is set
* in INHERIT->ONEXEC order.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "common.h"
extern char **environ;
TEST_FUNC(TEST_NUMBER, vl, unused2, tp_argc, tp_argv)
{
char *self = (char *)tp_argv[0];
char arg0[FILENAME_MAX] = "";
char arg1[8] = "";
char arg2[8] = "";
char arg3[8] = "";
char *execve_args[5];
int rest = 0, ret = -1;
unsigned int exp_vl = 0;
unsigned int dfl_vl = 0;
/* First time */
if (tp_argc == 2) {
unsigned int set_vl_1 = 0;
unsigned int set_vl_2 = 0;
print_test_overview(tp_num);
/* INHERIT setting */
set_vl_1 = gen_set_vl(vl);
if (set_and_compare_vl(set_vl_1 | PR_SVE_VL_INHERIT)) {
printf("prctl: error.\n");
goto out;
}
/* ONEXEC setting */
set_vl_2 = gen_set_vl(set_vl_1);
if (set_and_compare_vl(set_vl_2 | PR_SVE_SET_VL_ONEXEC)) {
printf("prctl: error.\n");
goto out;
}
rest = 2;
dfl_vl = vl;
/* After the execve() */
} else {
rest = atoi(tp_argv[2]);
dfl_vl = atoi(tp_argv[3]);
rest--;
exp_vl = (rest == 1 ? gen_set_vl(gen_set_vl(dfl_vl)) : dfl_vl);
if (get_and_compare_vl(exp_vl)) {
printf("prctl: error.\n");
goto out;
}
}
if (rest != 0) {
memcpy(arg0, self, strlen(self) + 1);
memcpy(arg1, tp_argv[1], strlen(tp_argv[1]) + 1);
sprintf(arg2, "%d", rest);
sprintf(arg3, "%d", dfl_vl);
execve_args[0] = arg0;
execve_args[1] = arg1;
execve_args[2] = arg2;
execve_args[3] = arg3;
execve_args[4] = NULL;
ret = execve(self, execve_args, environ);
if (ret == -1) {
perror("execve()");
goto out;
}
}
ret = 0;
out:
if (ret != 0) {
printf("RESULT: NG.\n");
} else {
printf("RESULT: OK.\n");
}
return ret;
}