5  * Tests for GCS mode locking.  These tests rely on both having GCS
7  * test in a fork()ed process which will have it's own mode.
41 /* No mode bits are rejected for locking */
56 	unsigned long mode;  in FIXTURE_VARIANT()  local
61 	.mode = PR_SHADOW_STACK_ENABLE,  in FIXTURE_VARIANT_ADD()
66 	.mode = PR_SHADOW_STACK_ENABLE | PR_SHADOW_STACK_WRITE,  in FIXTURE_VARIANT_ADD()
71 	.mode = PR_SHADOW_STACK_ENABLE | PR_SHADOW_STACK_PUSH,  in FIXTURE_VARIANT_ADD()
76 	.mode = PR_SHADOW_STACK_ENABLE | PR_SHADOW_STACK_WRITE |  in FIXTURE_VARIANT_ADD()
88 /* We can set the mode at all */
94 			  variant->mode);  in TEST_F()
103 	unsigned long mode;  in TEST_F()  local
107 			  variant->mode);  in TEST_F()
110 	ret = prctl(PR_GET_SHADOW_STACK_STATUS, &mode, 0, 0, 0);  in TEST_F()
112 	ASSERT_EQ(mode, variant->mode);  in TEST_F()
114 	ret = prctl(PR_LOCK_SHADOW_STACK_STATUS, variant->mode, 0, 0, 0);  in TEST_F()
126 	unsigned long mode;  in TEST_F()  local
129 	ret = prctl(PR_LOCK_SHADOW_STACK_STATUS, variant->mode, 0, 0, 0);  in TEST_F()
133 			  variant->mode);  in TEST_F()
136 	ret = prctl(PR_GET_SHADOW_STACK_STATUS, &mode, 0, 0, 0);  in TEST_F()
138 	ASSERT_EQ(mode, 0);  in TEST_F()
146 	unsigned long mode;  in TEST_F()  local
150 			  variant->mode);  in TEST_F()
153 	ret = prctl(PR_GET_SHADOW_STACK_STATUS, &mode, 0, 0, 0);  in TEST_F()
155 	ASSERT_EQ(mode, variant->mode);  in TEST_F()
157 	ret = prctl(PR_LOCK_SHADOW_STACK_STATUS, variant->mode, 0, 0, 0);  in TEST_F()
164 	ret = prctl(PR_GET_SHADOW_STACK_STATUS, &mode, 0, 0, 0);  in TEST_F()
166 	ASSERT_EQ(mode, PR_SHADOW_STACK_ALL_MODES);  in TEST_F()
170 			  variant->mode);  in TEST_F()
173 	ret = prctl(PR_GET_SHADOW_STACK_STATUS, &mode, 0, 0, 0);  in TEST_F()
175 	ASSERT_EQ(mode, variant->mode);  in TEST_F()
182 	unsigned long mode;  in main()  local
188 	ret = prctl(PR_GET_SHADOW_STACK_STATUS, &mode, 0, 0, 0);  in main()
194 	if (mode & PR_SHADOW_STACK_ENABLE) {  in main()