linux/arch/x86/um/asm/processor_64.h
Richard Weinberger 9d1ee8ce92 um: Rewrite show_stack()
Currently on UML stack traces are not very reliable and both
x86 and x86_64 have their on implementations.
This patch unifies both and adds support to outline unreliable
functions calls.

Signed-off-by: Richard Weinberger <richard@nod.at>
2013-11-17 11:27:25 +01:00

41 lines
954 B
C

/*
* Copyright 2003 PathScale, Inc.
*
* Licensed under the GPL
*/
#ifndef __UM_PROCESSOR_X86_64_H
#define __UM_PROCESSOR_X86_64_H
struct arch_thread {
unsigned long debugregs[8];
int debugregs_seq;
unsigned long fs;
struct faultinfo faultinfo;
};
#define INIT_ARCH_THREAD { .debugregs = { [ 0 ... 7 ] = 0 }, \
.debugregs_seq = 0, \
.fs = 0, \
.faultinfo = { 0, 0, 0 } }
#define STACKSLOTS_PER_LINE 4
static inline void arch_flush_thread(struct arch_thread *thread)
{
}
static inline void arch_copy_thread(struct arch_thread *from,
struct arch_thread *to)
{
to->fs = from->fs;
}
#define current_text_addr() \
({ void *pc; __asm__("movq $1f,%0\n1:":"=g" (pc)); pc; })
#define current_sp() ({ void *sp; __asm__("movq %%rsp, %0" : "=r" (sp) : ); sp; })
#define current_bp() ({ unsigned long bp; __asm__("movq %%rbp, %0" : "=r" (bp) : ); bp; })
#endif