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 (2551B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef __UM_X86_PTRACE_H
      3#define __UM_X86_PTRACE_H
      4
      5#include <linux/compiler.h>
      6#ifndef CONFIG_X86_32
      7#define __FRAME_OFFSETS /* Needed to get the R* macros */
      8#endif
      9#include <asm/ptrace-generic.h>
     10
     11#define user_mode(r) UPT_IS_USER(&(r)->regs)
     12
     13#define PT_REGS_AX(r) UPT_AX(&(r)->regs)
     14#define PT_REGS_BX(r) UPT_BX(&(r)->regs)
     15#define PT_REGS_CX(r) UPT_CX(&(r)->regs)
     16#define PT_REGS_DX(r) UPT_DX(&(r)->regs)
     17
     18#define PT_REGS_SI(r) UPT_SI(&(r)->regs)
     19#define PT_REGS_DI(r) UPT_DI(&(r)->regs)
     20#define PT_REGS_BP(r) UPT_BP(&(r)->regs)
     21#define PT_REGS_EFLAGS(r) UPT_EFLAGS(&(r)->regs)
     22
     23#define PT_REGS_CS(r) UPT_CS(&(r)->regs)
     24#define PT_REGS_SS(r) UPT_SS(&(r)->regs)
     25#define PT_REGS_DS(r) UPT_DS(&(r)->regs)
     26#define PT_REGS_ES(r) UPT_ES(&(r)->regs)
     27
     28#define PT_REGS_ORIG_SYSCALL(r) PT_REGS_AX(r)
     29#define PT_REGS_SYSCALL_RET(r) PT_REGS_AX(r)
     30
     31#define PT_FIX_EXEC_STACK(sp) do ; while(0)
     32
     33#define profile_pc(regs) PT_REGS_IP(regs)
     34
     35#define UPT_RESTART_SYSCALL(r) (UPT_IP(r) -= 2)
     36#define PT_REGS_SET_SYSCALL_RETURN(r, res) (PT_REGS_AX(r) = (res))
     37
     38static inline long regs_return_value(struct pt_regs *regs)
     39{
     40	return PT_REGS_AX(regs);
     41}
     42
     43/*
     44 * Forward declaration to avoid including sysdep/tls.h, which causes a
     45 * circular include, and compilation failures.
     46 */
     47struct user_desc;
     48
     49#ifdef CONFIG_X86_32
     50
     51extern int ptrace_get_thread_area(struct task_struct *child, int idx,
     52                                  struct user_desc __user *user_desc);
     53
     54extern int ptrace_set_thread_area(struct task_struct *child, int idx,
     55                                  struct user_desc __user *user_desc);
     56
     57#else
     58
     59#define PT_REGS_R8(r) UPT_R8(&(r)->regs)
     60#define PT_REGS_R9(r) UPT_R9(&(r)->regs)
     61#define PT_REGS_R10(r) UPT_R10(&(r)->regs)
     62#define PT_REGS_R11(r) UPT_R11(&(r)->regs)
     63#define PT_REGS_R12(r) UPT_R12(&(r)->regs)
     64#define PT_REGS_R13(r) UPT_R13(&(r)->regs)
     65#define PT_REGS_R14(r) UPT_R14(&(r)->regs)
     66#define PT_REGS_R15(r) UPT_R15(&(r)->regs)
     67
     68#include <asm/errno.h>
     69
     70static inline int ptrace_get_thread_area(struct task_struct *child, int idx,
     71                                         struct user_desc __user *user_desc)
     72{
     73        return -ENOSYS;
     74}
     75
     76static inline int ptrace_set_thread_area(struct task_struct *child, int idx,
     77                                         struct user_desc __user *user_desc)
     78{
     79        return -ENOSYS;
     80}
     81
     82extern long arch_prctl(struct task_struct *task, int option,
     83		       unsigned long __user *addr);
     84
     85#endif
     86#define user_stack_pointer(regs) PT_REGS_SP(regs)
     87#endif /* __UM_X86_PTRACE_H */