This source file includes following definitions.
- signal_usr1
- tm_signal_context_chk_gpr
- main
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20 #include <stdlib.h>
21 #include <stdio.h>
22 #include <signal.h>
23 #include <unistd.h>
24
25 #include <altivec.h>
26
27 #include "utils.h"
28 #include "tm.h"
29
30 #define MAX_ATTEMPT 500000
31
32 #define NV_GPR_REGS 18
33 #define R14 14
34
35 long tm_signal_self_context_load(pid_t pid, long *gprs, double *fps, vector int *vms, vector int *vss);
36
37 static sig_atomic_t fail, broken;
38
39
40 static long gprs[] = {
41
42
43 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18,
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45
46 -1,-2,-3,-4,-5,-6,-7,-8,-9,-10,-11,-12,-13,-14,-15,-16,-17,-18
47 };
48
49 static void signal_usr1(int signum, siginfo_t *info, void *uc)
50 {
51 int i;
52 ucontext_t *ucp = uc;
53 ucontext_t *tm_ucp = ucp->uc_link;
54
55
56 for (i = 0; i < NV_GPR_REGS; i++) {
57 fail = (ucp->uc_mcontext.gp_regs[R14 + i] != gprs[i]);
58 if (fail) {
59 broken = 1;
60 printf("GPR%d (1st context) == %lu instead of %lu (expected)\n",
61 R14 + i, ucp->uc_mcontext.gp_regs[R14 + i], gprs[i]);
62 }
63 }
64
65
66 for (i = 0; i < NV_GPR_REGS; i++) {
67 fail = (tm_ucp->uc_mcontext.gp_regs[R14 + i] != gprs[NV_GPR_REGS + i]);
68 if (fail) {
69 broken = 1;
70 printf("GPR%d (2nd context) == %lu instead of %lu (expected)\n",
71 R14 + i, tm_ucp->uc_mcontext.gp_regs[R14 + i], gprs[NV_GPR_REGS + i]);
72 }
73 }
74 }
75
76 static int tm_signal_context_chk_gpr()
77 {
78 struct sigaction act;
79 int i;
80 long rc;
81 pid_t pid = getpid();
82
83 SKIP_IF(!have_htm());
84
85 act.sa_sigaction = signal_usr1;
86 sigemptyset(&act.sa_mask);
87 act.sa_flags = SA_SIGINFO;
88 if (sigaction(SIGUSR1, &act, NULL) < 0) {
89 perror("sigaction sigusr1");
90 exit(1);
91 }
92
93 i = 0;
94 while (i < MAX_ATTEMPT && !broken) {
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101 rc = tm_signal_self_context_load(pid, gprs, NULL, NULL, NULL);
102 FAIL_IF(rc != pid);
103 i++;
104 }
105
106 return broken;
107 }
108
109 int main(void)
110 {
111 return test_harness(tm_signal_context_chk_gpr, "tm_signal_context_chk_gpr");
112 }