/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __UM_X86_PTRACE_H #define __UM_X86_PTRACE_H #include <linux/compiler.h> #ifndef CONFIG_X86_32 #define __FRAME_OFFSETS /* Needed to get the R* macros */ #endif #include <asm/ptrace-generic.h> #define user_mode(r) UPT_IS_USER(&(r)->regs) #define PT_REGS_AX(r) UPT_AX(&(r)->regs) #define PT_REGS_BX(r) UPT_BX(&(r)->regs) #define PT_REGS_CX(r) UPT_CX(&(r)->regs) #define PT_REGS_DX(r) UPT_DX(&(r)->regs) #define PT_REGS_SI(r) UPT_SI(&(r)->regs) #define PT_REGS_DI(r) UPT_DI(&(r)->regs) #define PT_REGS_BP(r) UPT_BP(&(r)->regs) #define PT_REGS_EFLAGS(r) UPT_EFLAGS(&(r)->regs) #define PT_REGS_CS(r) UPT_CS(&(r)->regs) #define PT_REGS_SS(r) UPT_SS(&(r)->regs) #define PT_REGS_DS(r) UPT_DS(&(r)->regs) #define PT_REGS_ES(r) UPT_ES(&(r)->regs) #define PT_REGS_ORIG_SYSCALL(r) PT_REGS_AX(r) #define PT_REGS_SYSCALL_RET(r) PT_REGS_AX(r) #define PT_FIX_EXEC_STACK(sp) do ; while(0) #define profile_pc(regs) PT_REGS_IP(regs) #define UPT_RESTART_SYSCALL(r) (UPT_IP(r) -= 2) #define PT_REGS_SET_SYSCALL_RETURN(r, res) (PT_REGS_AX(r) = (res)) static inline long regs_return_value(struct pt_regs *regs) { return PT_REGS_AX(regs); } /* * Forward declaration to avoid including sysdep/tls.h, which causes a * circular include, and compilation failures. */ struct user_desc; #ifdef CONFIG_X86_32 extern int ptrace_get_thread_area(struct task_struct *child, int idx, struct user_desc __user *user_desc); extern int ptrace_set_thread_area(struct task_struct *child, int idx, struct user_desc __user *user_desc); #else #define PT_REGS_R8(r) UPT_R8(&(r)->regs) #define PT_REGS_R9(r) UPT_R9(&(r)->regs) #define PT_REGS_R10(r) UPT_R10(&(r)->regs) #define PT_REGS_R11(r) UPT_R11(&(r)->regs) #define PT_REGS_R12(r) UPT_R12(&(r)->regs) #define PT_REGS_R13(r) UPT_R13(&(r)->regs) #define PT_REGS_R14(r) UPT_R14(&(r)->regs) #define PT_REGS_R15(r) UPT_R15(&(r)->regs) #include <asm/errno.h> static inline int ptrace_get_thread_area(struct task_struct *child, int idx, struct user_desc __user *user_desc) { return -ENOSYS; } static inline int ptrace_set_thread_area(struct task_struct *child, int idx, struct user_desc __user *user_desc) { return -ENOSYS; } extern long arch_prctl(struct task_struct *task, int option, unsigned long __user *addr); #endif #define user_stack_pointer(regs) PT_REGS_SP(regs) #endif /* __UM_X86_PTRACE_H */