+++ /dev/null
-#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 CONFIG_X86_PTRACE_BTS
-/* a branch trace record entry
- *
- * In order to unify the interface between various processor versions,
- * we use the below data structure for all processors.
- */
-enum bts_qualifier {
- BTS_INVALID = 0,
- BTS_BRANCH,
- BTS_TASK_ARRIVES,
- BTS_TASK_DEPARTS
-};
-
-struct bts_struct {
- __u64 qualifier;
- union {
- /* BTS_BRANCH */
- struct {
- __u64 from_ip;
- __u64 to_ip;
- } lbr;
- /* BTS_TASK_ARRIVES or
- BTS_TASK_DEPARTS */
- __u64 jiffies;
- } variant;
-};
-#endif /* CONFIG_X86_PTRACE_BTS */
-
-#ifdef __KERNEL__
-
-#include <linux/init.h>
-
-struct cpuinfo_x86;
-struct task_struct;
-
-#ifdef CONFIG_X86_PTRACE_BTS
-extern void __cpuinit ptrace_bts_init_intel(struct cpuinfo_x86 *);
-extern void ptrace_bts_take_timestamp(struct task_struct *, enum bts_qualifier);
-#else
-#define ptrace_bts_init_intel(config) do {} while (0)
-#endif /* CONFIG_X86_PTRACE_BTS */
-
-extern unsigned long profile_pc(struct pt_regs *regs);
-
-extern unsigned long
-convert_ip_to_linear(struct task_struct *child, struct pt_regs *regs);
-extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs,
- int error_code, int si_code);
-void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
-
-extern long syscall_trace_enter(struct pt_regs *);
-extern void syscall_trace_leave(struct pt_regs *);
-
-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;
-}
-
-static inline unsigned long user_stack_pointer(struct pt_regs *regs)
-{
- return regs->sp;
-}
-
-/*
- * 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 /* ASM_X86__PTRACE_H */
git.samba.org / sfrench / cifs-2.6.git / blobdiff