src/libs/libunwind/aarch64/gen-offsets.c

   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
  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 }