]>
git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blob - tools/testing/selftests/powerpc/ptrace/ptrace-gpr.c
2 * Ptrace test for GPR/FPR registers
4 * Copyright (C) 2015 Anshuman Khandual, IBM Corporation.
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
12 #include "ptrace-gpr.h"
15 /* Tracer and Tracee Shared Data */
25 unsigned long gpr_buf
[18];
28 cptr
= (int *)shmat(shm_id
, NULL
, 0);
31 ASM_LOAD_GPR_IMMED(gpr_1
)
32 ASM_LOAD_FPR_SINGLE_PRECISION(flt_1
)
34 : [gpr_1
]"i"(GPR_1
), [flt_1
] "b" (&a
)
35 : "memory", "r6", "r7", "r8", "r9", "r10",
36 "r11", "r12", "r13", "r14", "r15", "r16", "r17",
37 "r18", "r19", "r20", "r21", "r22", "r23", "r24",
38 "r25", "r26", "r27", "r28", "r29", "r30", "r31"
44 asm volatile("" : : : "memory");
48 store_fpr_single_precision(fpr_buf
);
50 if (validate_gpr(gpr_buf
, GPR_3
))
53 if (validate_fpr_float(fpr_buf
, c
))
59 int trace_gpr(pid_t child
)
61 unsigned long gpr
[18];
62 unsigned long fpr
[32];
64 FAIL_IF(start_trace(child
));
65 FAIL_IF(show_gpr(child
, gpr
));
66 FAIL_IF(validate_gpr(gpr
, GPR_1
));
67 FAIL_IF(show_fpr(child
, fpr
));
68 FAIL_IF(validate_fpr(fpr
, FPR_1_REP
));
69 FAIL_IF(write_gpr(child
, GPR_3
));
70 FAIL_IF(write_fpr(child
, FPR_3_REP
));
71 FAIL_IF(stop_trace(child
));
81 shm_id
= shmget(IPC_PRIVATE
, sizeof(int) * 2, 0777|IPC_CREAT
);
84 perror("fork() failed");
91 pptr
= (int *)shmat(shm_id
, NULL
, 0);
93 asm volatile("" : : : "memory");
99 shmctl(shm_id
, IPC_RMID
, NULL
);
107 shmctl(shm_id
, IPC_RMID
, NULL
);
109 printf("Child's exit status not captured\n");
113 return (WIFEXITED(status
) && WEXITSTATUS(status
)) ? TEST_FAIL
:
120 int main(int argc
, char *argv
[])
122 return test_harness(ptrace_gpr
, "ptrace_gpr");