57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/* 022.c COPYRIGHT FUJITSU LIMITED 2017-2019 */
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/* Use execve() VL check if setting INHERIT flags.
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* (execve target is #1 testcase)
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "common.h"
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extern char **environ;
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TEST_FUNC(TEST_NUMBER, vl, vq, unused1, tp_argv)
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{
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char *self = (char *)tp_argv[0];
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struct fpsimd_sve_state(vq) rd_buf;
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struct fpsimd_sve_state(vq) wr_buf;
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unsigned int fpscr[2] = { 0, 0 };
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char *const execve_args[] = {
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"", "1", NULL
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};
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int ret = -1;
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print_test_overview(tp_num);
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memset(&rd_buf, 0, sizeof(rd_buf));
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memset(&wr_buf, 0, sizeof(wr_buf));
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gen_test_sve(&wr_buf, vq);
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write_sve(&wr_buf, vq, fpscr);
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read_sve(&rd_buf, vq, fpscr);
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if (sve_compare(&wr_buf, &rd_buf, vq)) {
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printf("Dirty SVE-register before executing execve(), NG.\n");
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goto out;
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}
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printf("Dirty SVE-register before executing execve(), OK.\n");
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if (set_and_compare_vl(gen_set_vl(vl) | PR_SVE_VL_INHERIT)) {
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printf("prctl: error.\n");
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goto out;
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}
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printf("=== look at the contents of the register "
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"since run execve. ===\n");
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ret = execve(self, execve_args, environ);
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if (ret == -1) {
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perror("execve()");
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} else {
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ret = -1;
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printf("Why return execve() ???\n");
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}
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out:
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printf("RESULT: NG.\n");
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return ret;
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}
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