tools/perf/util/libunwind/x86_32.c

   1 /*
   2  * This file setups defines to compile arch specific binary from the
   3  * generic one.
   4  *
   5  * The function 'LIBUNWIND__ARCH_REG_ID' name is set according to arch
   6  * name and the defination of this function is included directly from
   7  * 'arch/x86/util/unwind-libunwind.c', to make sure that this function
   8  * is defined no matter what arch the host is.
   9  *
  10  * Finally, the arch specific unwind methods are exported which will
  11  * be assigned to each x86 thread.
  12  */
  13
  14 #define REMOTE_UNWIND_LIBUNWIND
  15 #define LIBUNWIND__ARCH_REG_ID(regnum) libunwind__x86_reg_id(regnum)
  16
  17 #include "unwind.h"
  18 #include "debug.h"
  19 #include "libunwind-x86.h"
  20 #include <../../../../arch/x86/include/uapi/asm/perf_regs.h>
  21
  22 /* HAVE_ARCH_X86_64_SUPPORT is used in'arch/x86/util/unwind-libunwind.c'
  23  * for x86_32, we undef it to compile code for x86_32 only.
  24  */
  25 #undef HAVE_ARCH_X86_64_SUPPORT
  26 #include "../../arch/x86/util/unwind-libunwind.c"
  27
  28 /* Explicitly define NO_LIBUNWIND_DEBUG_FRAME, because non-ARM has no
  29  * dwarf_find_debug_frame() function.
  30  */
  31 #ifndef NO_LIBUNWIND_DEBUG_FRAME
  32 #define NO_LIBUNWIND_DEBUG_FRAME
  33 #endif
  34 #include "util/unwind-libunwind-local.c"
  35
  36 struct unwind_libunwind_ops *
  37 x86_32_unwind_libunwind_ops = &_unwind_libunwind_ops;