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] "r" (&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");