diff options
Diffstat (limited to 'include/asm-x86/ptrace.h')
| -rw-r--r-- | include/asm-x86/ptrace.h | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/include/asm-x86/ptrace.h b/include/asm-x86/ptrace.h deleted file mode 100644 index 8a71db803da6..000000000000 --- a/include/asm-x86/ptrace.h +++ /dev/null @@ -1,242 +0,0 @@ -#ifndef _ASM_X86_PTRACE_H -#define _ASM_X86_PTRACE_H - -#include <linux/compiler.h> /* For __user */ -#include <asm/ptrace-abi.h> -#include <asm/processor-flags.h> - -#ifdef __KERNEL__ -#include <asm/ds.h> /* the DS BTS struct is used for ptrace too */ -#include <asm/segment.h> -#endif - -#ifndef __ASSEMBLY__ - -#ifdef __i386__ -/* this struct defines the way the registers are stored on the - stack during a system call. */ - -#ifndef __KERNEL__ - -struct pt_regs { - long ebx; - long ecx; - long edx; - long esi; - long edi; - long ebp; - long eax; - int xds; - int xes; - int xfs; - /* int gs; */ - long orig_eax; - long eip; - int xcs; - long eflags; - long esp; - int xss; -}; - -#else /* __KERNEL__ */ - -struct pt_regs { - unsigned long bx; - unsigned long cx; - unsigned long dx; - unsigned long si; - unsigned long di; - unsigned long bp; - unsigned long ax; - unsigned long ds; - unsigned long es; - unsigned long fs; - /* int gs; */ - unsigned long orig_ax; - unsigned long ip; - unsigned long cs; - unsigned long flags; - unsigned long sp; - unsigned long ss; -}; - -#endif /* __KERNEL__ */ - -#else /* __i386__ */ - -#ifndef __KERNEL__ - -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 */ -}; - -#else /* __KERNEL__ */ - -struct pt_regs { - unsigned long r15; - unsigned long r14; - unsigned long r13; - unsigned long r12; - unsigned long bp; - unsigned long bx; -/* arguments: non interrupts/non tracing syscalls only save upto here*/ - unsigned long r11; - unsigned long r10; - unsigned long r9; - unsigned long r8; - unsigned long ax; - unsigned long cx; - unsigned long dx; - unsigned long si; - unsigned long di; - unsigned long orig_ax; -/* end of arguments */ -/* cpu exception frame or undefined */ - unsigned long ip; - unsigned long cs; - unsigned long flags; - unsigned long sp; - unsigned long ss; -/* top of stack page */ -}; - -#endif /* __KERNEL__ */ -#endif /* !__i386__ */ - -#ifdef __KERNEL__ - -/* the DS BTS struct is used for ptrace as well */ -#include <asm/ds.h> - -struct task_struct; - -extern void ptrace_bts_take_timestamp(struct task_struct *, enum bts_qualifier); - -extern unsigned long profile_pc(struct pt_regs *regs); - -extern unsigned long -convert_ip_to_linear(struct task_struct *child, struct pt_regs *regs); - -#ifdef CONFIG_X86_32 -extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, - int error_code); -#else -void signal_fault(struct pt_regs *regs, void __user *frame, char *where); -#endif - -static inline unsigned long regs_return_value(struct pt_regs *regs) -{ - return regs->ax; -} - -/* - * user_mode_vm(regs) determines whether a register set came from user mode. - * This is true if V8086 mode was enabled OR if the register set was from - * protected mode with RPL-3 CS value. This tricky test checks that with - * one comparison. Many places in the kernel can bypass this full check - * if they have already ruled out V8086 mode, so user_mode(regs) can be used. - */ -static inline int user_mode(struct pt_regs *regs) -{ -#ifdef CONFIG_X86_32 - return (regs->cs & SEGMENT_RPL_MASK) == USER_RPL; -#else - return !!(regs->cs & 3); -#endif -} - -static inline int user_mode_vm(struct pt_regs *regs) -{ -#ifdef CONFIG_X86_32 - return ((regs->cs & SEGMENT_RPL_MASK) | (regs->flags & X86_VM_MASK)) >= - USER_RPL; -#else - return user_mode(regs); -#endif -} - -static inline int v8086_mode(struct pt_regs *regs) -{ -#ifdef CONFIG_X86_32 - return (regs->flags & X86_VM_MASK); -#else - return 0; /* No V86 mode support in long mode */ -#endif -} - -/* - * X86_32 CPUs don't save ss and esp if the CPU is already in kernel mode - * when it traps. So regs will be the current sp. - * - * This is valid only for kernel mode traps. - */ -static inline unsigned long kernel_trap_sp(struct pt_regs *regs) -{ -#ifdef CONFIG_X86_32 - return (unsigned long)regs; -#else - return regs->sp; -#endif -} - -static inline unsigned long instruction_pointer(struct pt_regs *regs) -{ - return regs->ip; -} - -static inline unsigned long frame_pointer(struct pt_regs *regs) -{ - return regs->bp; -} - -/* - * These are defined as per linux/ptrace.h, which see. - */ -#define arch_has_single_step() (1) -extern void user_enable_single_step(struct task_struct *); -extern void user_disable_single_step(struct task_struct *); - -extern void user_enable_block_step(struct task_struct *); -#ifdef CONFIG_X86_DEBUGCTLMSR -#define arch_has_block_step() (1) -#else -#define arch_has_block_step() (boot_cpu_data.x86 >= 6) -#endif - -struct user_desc; -extern int do_get_thread_area(struct task_struct *p, int idx, - struct user_desc __user *info); -extern int do_set_thread_area(struct task_struct *p, int idx, - struct user_desc __user *info, int can_allocate); - -#define __ARCH_WANT_COMPAT_SYS_PTRACE - -#endif /* __KERNEL__ */ - -#endif /* !__ASSEMBLY__ */ - -#endif |