src/libs/libunwind/arm/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 ARM 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   UC ("REGSPACE", uc_regspace);
  28
  29   printf ("\n/* Offsets for ARM Linux \"struct sigcontext\":  */\n\n");
  30
  31   SC ("TRAPNO", trap_no);
  32   SC ("ERRORCODE", error_code);
  33   SC ("OLDMASK", oldmask);
  34   SC ("R0", arm_r0);
  35   SC ("R1", arm_r1);
  36   SC ("R2", arm_r2);
  37   SC ("R3", arm_r3);
  38   SC ("R4", arm_r4);
  39   SC ("R5", arm_r5);
  40   SC ("R6", arm_r6);
  41   SC ("R7", arm_r7);
  42   SC ("R8", arm_r8);
  43   SC ("R9", arm_r9);
  44   SC ("R10", arm_r10);
  45   SC ("FP", arm_fp);
  46   SC ("IP", arm_ip);
  47   SC ("SP", arm_sp);
  48   SC ("LR", arm_lr);
  49   SC ("PC", arm_pc);
  50   SC ("CPSR", arm_cpsr);
  51   SC ("FAULTADDR", fault_address);
  52
  53   return 0;
  54 }