2 * Ptrace test for GPR/FPR registers in TM Suspend context
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 */
24 __attribute__((used)) void wait_parent(void)
28 asm volatile("" : : : "memory");
33 unsigned long gpr_buf[18];
34 unsigned long result, texasr;
37 cptr = (int *)shmat(shm_id, NULL, 0);
42 ASM_LOAD_GPR_IMMED(gpr_1)
43 ASM_LOAD_FPR_SINGLE_PRECISION(flt_1)
49 ASM_LOAD_GPR_IMMED(gpr_2)
51 ASM_LOAD_GPR_IMMED(gpr_4)
52 ASM_LOAD_FPR_SINGLE_PRECISION(flt_4)
61 /* Transaction abort handler */
65 "mfspr %[texasr], %[sprn_texasr];"
68 : [res] "=r" (result), [texasr] "=r" (texasr)
69 : [gpr_1]"i"(GPR_1), [gpr_2]"i"(GPR_2), [gpr_4]"i"(GPR_4),
70 [sprn_texasr] "i" (SPRN_TEXASR), [flt_1] "b" (&a),
72 : "memory", "r5", "r6", "r7",
73 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
74 "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
75 "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31"
84 store_fpr_single_precision(fpr_buf);
86 if (validate_gpr(gpr_buf, GPR_3))
89 if (validate_fpr_float(fpr_buf, c))
97 int trace_tm_spd_gpr(pid_t child)
99 unsigned long gpr[18];
100 unsigned long fpr[32];
102 FAIL_IF(start_trace(child));
103 FAIL_IF(show_gpr(child, gpr));
104 FAIL_IF(validate_gpr(gpr, GPR_4));
105 FAIL_IF(show_fpr(child, fpr));
106 FAIL_IF(validate_fpr(fpr, FPR_4_REP));
107 FAIL_IF(show_ckpt_fpr(child, fpr));
108 FAIL_IF(validate_fpr(fpr, FPR_1_REP));
109 FAIL_IF(show_ckpt_gpr(child, gpr));
110 FAIL_IF(validate_gpr(gpr, GPR_1));
111 FAIL_IF(write_ckpt_gpr(child, GPR_3));
112 FAIL_IF(write_ckpt_fpr(child, FPR_3_REP));
116 FAIL_IF(stop_trace(child));
120 int ptrace_tm_spd_gpr(void)
125 SKIP_IF(!have_htm());
126 shm_id = shmget(IPC_PRIVATE, sizeof(int) * 3, 0777|IPC_CREAT);
129 perror("fork() failed");
137 pptr = (int *)shmat(shm_id, NULL, 0);
142 asm volatile("" : : : "memory");
143 ret = trace_tm_spd_gpr(pid);
147 shmctl(shm_id, IPC_RMID, NULL);
154 shmctl(shm_id, IPC_RMID, NULL);
156 printf("Child's exit status not captured\n");
160 return (WIFEXITED(status) && WEXITSTATUS(status)) ? TEST_FAIL :
166 int main(int argc, char *argv[])
168 return test_harness(ptrace_tm_spd_gpr, "ptrace_tm_spd_gpr");