arch/x86/um/asm/processor_64.h

   1 /*
   2  * Copyright 2003 PathScale, Inc.
   3  *
   4  * Licensed under the GPL
   5  */
   6
   7 #ifndef __UM_PROCESSOR_X86_64_H
   8 #define __UM_PROCESSOR_X86_64_H
   9
  10 struct arch_thread {
  11         unsigned long debugregs[8];
  12         int debugregs_seq;
  13         unsigned long fs;
  14         struct faultinfo faultinfo;
  15 };
  16
  17 #define INIT_ARCH_THREAD { .debugregs           = { [ 0 ... 7 ] = 0 }, \
  18                            .debugregs_seq       = 0, \
  19                            .fs                  = 0, \
  20                            .faultinfo           = { 0, 0, 0 } }
  21
  22 #define STACKSLOTS_PER_LINE 4
  23
  24 static inline void arch_flush_thread(struct arch_thread *thread)
  25 {
  26 }
  27
  28 static inline void arch_copy_thread(struct arch_thread *from,
  29                                     struct arch_thread *to)
  30 {
  31         to->fs = from->fs;
  32 }
  33
  34 #define current_text_addr() \
  35         ({ void *pc; __asm__("movq $1f,%0\n1:":"=g" (pc)); pc; })
  36
  37 #define current_sp() ({ void *sp; __asm__("movq %%rsp, %0" : "=r" (sp) : ); sp; })
  38 #define current_bp() ({ unsigned long bp; __asm__("movq %%rbp, %0" : "=r" (bp) : ); bp; })
  39
  40 #endif