android_kernel_xiaomi_sm8350/include/asm-x86_64/ptrace.h
Ananth N Mavinakayanahalli b3f827cb0f [PATCH] Add regs_return_value() helper
Add the regs_return_value() macro to extract the return value in an
architecture agnostic manner, given the pt_regs.

Other architecture maintainers may want to add similar helpers.

Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-02 07:57:16 -07:00

78 lines
1.9 KiB
C

#ifndef _X86_64_PTRACE_H
#define _X86_64_PTRACE_H
#include <asm/ptrace-abi.h>
#ifndef __ASSEMBLY__
struct pt_regs {
unsigned long r15;
unsigned long r14;
unsigned long r13;
unsigned long r12;
unsigned long rbp;
unsigned long rbx;
/* arguments: non interrupts/non tracing syscalls only save upto here*/
unsigned long r11;
unsigned long r10;
unsigned long r9;
unsigned long r8;
unsigned long rax;
unsigned long rcx;
unsigned long rdx;
unsigned long rsi;
unsigned long rdi;
unsigned long orig_rax;
/* end of arguments */
/* cpu exception frame or undefined */
unsigned long rip;
unsigned long cs;
unsigned long eflags;
unsigned long rsp;
unsigned long ss;
/* top of stack page */
};
#endif
#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
#define user_mode(regs) (!!((regs)->cs & 3))
#define user_mode_vm(regs) user_mode(regs)
#define instruction_pointer(regs) ((regs)->rip)
#define regs_return_value(regs) ((regs)->rax)
extern unsigned long profile_pc(struct pt_regs *regs);
void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
struct task_struct;
extern unsigned long
convert_rip_to_linear(struct task_struct *child, struct pt_regs *regs);
enum {
EF_CF = 0x00000001,
EF_PF = 0x00000004,
EF_AF = 0x00000010,
EF_ZF = 0x00000040,
EF_SF = 0x00000080,
EF_TF = 0x00000100,
EF_IE = 0x00000200,
EF_DF = 0x00000400,
EF_OF = 0x00000800,
EF_IOPL = 0x00003000,
EF_IOPL_RING0 = 0x00000000,
EF_IOPL_RING1 = 0x00001000,
EF_IOPL_RING2 = 0x00002000,
EF_NT = 0x00004000, /* nested task */
EF_RF = 0x00010000, /* resume */
EF_VM = 0x00020000, /* virtual mode */
EF_AC = 0x00040000, /* alignment */
EF_VIF = 0x00080000, /* virtual interrupt */
EF_VIP = 0x00100000, /* virtual interrupt pending */
EF_ID = 0x00200000, /* id */
};
#endif
#endif