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
arch_flush_thread(struct arch_thread * thread)24 static inline void arch_flush_thread(struct arch_thread *thread)
25 {
26 }
27
arch_copy_thread(struct arch_thread * from,struct arch_thread * to)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_sp() ({ void *sp; __asm__("movq %%rsp, %0" : "=r" (sp) : ); sp; })
35 #define current_bp() ({ unsigned long bp; __asm__("movq %%rbp, %0" : "=r" (bp) : ); bp; })
36
37 #endif
38