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 41