diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/include/asm/ptrace.h')
| -rw-r--r-- | ANDROID_3.4.5/arch/x86/include/asm/ptrace.h | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/ANDROID_3.4.5/arch/x86/include/asm/ptrace.h b/ANDROID_3.4.5/arch/x86/include/asm/ptrace.h deleted file mode 100644 index dcfde529..00000000 --- a/ANDROID_3.4.5/arch/x86/include/asm/ptrace.h +++ /dev/null @@ -1,306 +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/segment.h> -#include <asm/page_types.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 xgs; - 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; - unsigned long 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 up to 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 up to 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__ - -#include <linux/init.h> -#ifdef CONFIG_PARAVIRT -#include <asm/paravirt_types.h> -#endif - -struct cpuinfo_x86; -struct task_struct; - -extern unsigned long profile_pc(struct pt_regs *regs); -#define profile_pc profile_pc - -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); - -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 -} - -#ifdef CONFIG_X86_64 -static inline bool user_64bit_mode(struct pt_regs *regs) -{ -#ifndef CONFIG_PARAVIRT - /* - * On non-paravirt systems, this is the only long mode CPL 3 - * selector. We do not allow long mode selectors in the LDT. - */ - return regs->cs == __USER_CS; -#else - /* Headers are too twisted for this to go in paravirt.h. */ - return regs->cs == __USER_CS || regs->cs == pv_info.extra_user_64bit_cs; -#endif -} -#endif - -/* - * X86_32 CPUs don't save ss and esp if the CPU is already in kernel mode - * when it traps. The previous stack will be directly underneath the saved - * registers, and 'sp/ss' won't even have been saved. Thus the '®s->sp'. - * - * This is valid only for kernel mode traps. - */ -static inline unsigned long kernel_stack_pointer(struct pt_regs *regs) -{ -#ifdef CONFIG_X86_32 - return (unsigned long)(®s->sp); -#else - return regs->sp; -#endif -} - -#define GET_IP(regs) ((regs)->ip) -#define GET_FP(regs) ((regs)->bp) -#define GET_USP(regs) ((regs)->sp) - -#include <asm-generic/ptrace.h> - -/* Query offset/name of register from its name/offset */ -extern int regs_query_register_offset(const char *name); -extern const char *regs_query_register_name(unsigned int offset); -#define MAX_REG_OFFSET (offsetof(struct pt_regs, ss)) - -/** - * regs_get_register() - get register value from its offset - * @regs: pt_regs from which register value is gotten. - * @offset: offset number of the register. - * - * regs_get_register returns the value of a register. The @offset is the - * offset of the register in struct pt_regs address which specified by @regs. - * If @offset is bigger than MAX_REG_OFFSET, this returns 0. - */ -static inline unsigned long regs_get_register(struct pt_regs *regs, - unsigned int offset) -{ - if (unlikely(offset > MAX_REG_OFFSET)) - return 0; - return *(unsigned long *)((unsigned long)regs + offset); -} - -/** - * regs_within_kernel_stack() - check the address in the stack - * @regs: pt_regs which contains kernel stack pointer. - * @addr: address which is checked. - * - * regs_within_kernel_stack() checks @addr is within the kernel stack page(s). - * If @addr is within the kernel stack, it returns true. If not, returns false. - */ -static inline int regs_within_kernel_stack(struct pt_regs *regs, - unsigned long addr) -{ - return ((addr & ~(THREAD_SIZE - 1)) == - (kernel_stack_pointer(regs) & ~(THREAD_SIZE - 1))); -} - -/** - * regs_get_kernel_stack_nth() - get Nth entry of the stack - * @regs: pt_regs which contains kernel stack pointer. - * @n: stack entry number. - * - * regs_get_kernel_stack_nth() returns @n th entry of the kernel stack which - * is specified by @regs. If the @n th entry is NOT in the kernel stack, - * this returns 0. - */ -static inline unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, - unsigned int n) -{ - unsigned long *addr = (unsigned long *)kernel_stack_pointer(regs); - addr += n; - if (regs_within_kernel_stack(regs, (unsigned long)addr)) - return *addr; - else - return 0; -} - -#define arch_has_single_step() (1) -#ifdef CONFIG_X86_DEBUGCTLMSR -#define arch_has_block_step() (1) -#else -#define arch_has_block_step() (boot_cpu_data.x86 >= 6) -#endif - -#define ARCH_HAS_USER_SINGLE_STEP_INFO - -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); - -#endif /* __KERNEL__ */ - -#endif /* !__ASSEMBLY__ */ - -#endif /* _ASM_X86_PTRACE_H */ |