cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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ptrace.h (754B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _ASMAXP_PTRACE_H
      3#define _ASMAXP_PTRACE_H
      4
      5#include <uapi/asm/ptrace.h>
      6
      7
      8#define arch_has_single_step()		(1)
      9#define user_mode(regs) (((regs)->ps & 8) != 0)
     10#define instruction_pointer(regs) ((regs)->pc)
     11#define profile_pc(regs) instruction_pointer(regs)
     12#define current_user_stack_pointer() rdusp()
     13
     14#define task_pt_regs(task) \
     15  ((struct pt_regs *) (task_stack_page(task) + 2*PAGE_SIZE) - 1)
     16
     17#define current_pt_regs() \
     18  ((struct pt_regs *) ((char *)current_thread_info() + 2*PAGE_SIZE) - 1)
     19#define signal_pt_regs current_pt_regs
     20
     21#define force_successful_syscall_return() (current_pt_regs()->r0 = 0)
     22
     23static inline unsigned long regs_return_value(struct pt_regs *regs)
     24{
     25	return regs->r0;
     26}
     27
     28#endif