mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-03 07:26:45 +07:00
b3f827cb0f
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>
78 lines
1.9 KiB
C
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
|