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1 #include <stdio.h>
2 #include <stddef.h>
3 #include <ucontext.h>
4 #include <asm/sigcontext.h>
5 
6 #define UC(N,X) \
7   printf ("#define LINUX_UC_" N "_OFF\t0x%X\n", offsetof (ucontext_t, X))
8 
9 #define SC(N,X) \
10   printf ("#define LINUX_SC_" N "_OFF\t0x%X\n", offsetof (struct sigcontext, X))
11 
12 int
main(void)13 main (void)
14 {
15   printf (
16 "/* Linux-specific definitions: */\n\n"
17 
18 "/* Define various structure offsets to simplify cross-compilation.  */\n\n"
19 
20 "/* Offsets for AArch64 Linux \"ucontext_t\":  */\n\n");
21 
22   UC ("FLAGS", uc_flags);
23   UC ("LINK", uc_link);
24   UC ("STACK", uc_stack);
25   UC ("MCONTEXT", uc_mcontext);
26   UC ("SIGMASK", uc_sigmask);
27 
28   printf ("\n/* Offsets for AArch64 Linux \"struct sigcontext\":  */\n\n");
29 
30   SC ("R0",  regs[0]);
31   SC ("R1",  regs[1]);
32   SC ("R2",  regs[2]);
33   SC ("R3",  regs[3]);
34   SC ("R4",  regs[4]);
35   SC ("R5",  regs[5]);
36   SC ("R6",  regs[6]);
37   SC ("R7",  regs[7]);
38   SC ("R8",  regs[8]);
39   SC ("R9",  regs[9]);
40   SC ("R10", regs[10]);
41   SC ("R11", regs[11]);
42   SC ("R12", regs[12]);
43   SC ("R13", regs[13]);
44   SC ("R14", regs[14]);
45   SC ("R15", regs[15]);
46   SC ("R16", regs[16]);
47   SC ("R17", regs[17]);
48   SC ("R18", regs[18]);
49   SC ("R19", regs[19]);
50   SC ("R20", regs[20]);
51   SC ("R21", regs[21]);
52   SC ("R22", regs[22]);
53   SC ("R23", regs[23]);
54   SC ("R24", regs[24]);
55   SC ("R25", regs[25]);
56   SC ("R26", regs[26]);
57   SC ("R27", regs[27]);
58   SC ("R28", regs[28]);
59   SC ("R29", regs[29]);
60   SC ("R30", regs[30]);
61   SC ("R31", regs[31]);
62 
63   SC ("PC", pc);
64   SC ("SP", sp);
65   SC ("Fault", fault_address);
66   SC ("state", pstate);
67   return 0;
68 }
69