From: Thomas Gleixner Date: Tue, 23 Oct 2007 20:37:24 +0000 (+0200) Subject: x86: merge ptrace_32/64.h X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=8fc37f2c474b8ea61186fd77193324845432447b;p=openwrt%2Fstaging%2Fblogic.git x86: merge ptrace_32/64.h Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- diff --git a/include/asm-x86/Kbuild b/include/asm-x86/Kbuild index da5b07c20fc5..87176b6074be 100644 --- a/include/asm-x86/Kbuild +++ b/include/asm-x86/Kbuild @@ -24,8 +24,7 @@ unifdef-y += page_32.h unifdef-y += page_64.h unifdef-y += posix_types_32.h unifdef-y += posix_types_64.h -unifdef-y += ptrace_32.h -unifdef-y += ptrace_64.h +unifdef-y += ptrace.h unifdef-y += setup_32.h unifdef-y += setup_64.h unifdef-y += shmbuf_32.h diff --git a/include/asm-x86/ptrace.h b/include/asm-x86/ptrace.h index bc4d64a87689..213c97300cb3 100644 --- a/include/asm-x86/ptrace.h +++ b/include/asm-x86/ptrace.h @@ -1,13 +1,142 @@ +#ifndef _ASM_X86_PTRACE_H +#define _ASM_X86_PTRACE_H + +#include /* For __user */ +#include + +#ifndef __ASSEMBLY__ + +#ifdef __i386__ +/* this struct defines the way the registers are stored on the + stack during a system call. */ + +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; +}; + #ifdef __KERNEL__ -# ifdef CONFIG_X86_32 -# include "ptrace_32.h" -# else -# include "ptrace_64.h" -# endif -#else -# ifdef __i386__ -# include "ptrace_32.h" -# else -# include "ptrace_64.h" -# endif + +#include +#include + +struct task_struct; +extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, int error_code); + +/* + * 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) +{ + return (regs->xcs & SEGMENT_RPL_MASK) == USER_RPL; +} +static inline int user_mode_vm(struct pt_regs *regs) +{ + return ((regs->xcs & SEGMENT_RPL_MASK) | (regs->eflags & VM_MASK)) >= USER_RPL; +} +static inline int v8086_mode(struct pt_regs *regs) +{ + return (regs->eflags & VM_MASK); +} + +#define instruction_pointer(regs) ((regs)->eip) +#define frame_pointer(regs) ((regs)->ebp) +#define stack_pointer(regs) ((regs)->esp) +#define regs_return_value(regs) ((regs)->eax) + +extern unsigned long profile_pc(struct pt_regs *regs); +#endif /* __KERNEL__ */ + +#else /* __i386__ */ + +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 */ +}; + +#ifdef __KERNEL__ + +#define user_mode(regs) (!!((regs)->cs & 3)) +#define user_mode_vm(regs) user_mode(regs) +#define instruction_pointer(regs) ((regs)->rip) +#define frame_pointer(regs) ((regs)->rbp) +#define stack_pointer(regs) ((regs)->rsp) +#define regs_return_value(regs) ((regs)->rax) + +extern unsigned long profile_pc(struct pt_regs *regs); +void signal_fault(struct pt_regs *regs, void __user *frame, char *where); + +struct task_struct; + +extern unsigned long +convert_rip_to_linear(struct task_struct *child, struct pt_regs *regs); + +enum { + EF_CF = 0x00000001, + EF_PF = 0x00000004, + EF_AF = 0x00000010, + EF_ZF = 0x00000040, + EF_SF = 0x00000080, + EF_TF = 0x00000100, + EF_IE = 0x00000200, + EF_DF = 0x00000400, + EF_OF = 0x00000800, + EF_IOPL = 0x00003000, + EF_IOPL_RING0 = 0x00000000, + EF_IOPL_RING1 = 0x00001000, + EF_IOPL_RING2 = 0x00002000, + EF_NT = 0x00004000, /* nested task */ + EF_RF = 0x00010000, /* resume */ + EF_VM = 0x00020000, /* virtual mode */ + EF_AC = 0x00040000, /* alignment */ + EF_VIF = 0x00080000, /* virtual interrupt */ + EF_VIP = 0x00100000, /* virtual interrupt pending */ + EF_ID = 0x00200000, /* id */ +}; +#endif /* __KERNEL__ */ +#endif /* !__i386__ */ +#endif /* !__ASSEMBLY__ */ + #endif diff --git a/include/asm-x86/ptrace_32.h b/include/asm-x86/ptrace_32.h deleted file mode 100644 index 78d063dabe0a..000000000000 --- a/include/asm-x86/ptrace_32.h +++ /dev/null @@ -1,65 +0,0 @@ -#ifndef _I386_PTRACE_H -#define _I386_PTRACE_H - -#include - -/* this struct defines the way the registers are stored on the - stack during a system call. */ - -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; -}; - -#ifdef __KERNEL__ - -#include -#include - -struct task_struct; -extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, int error_code); - -/* - * 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) -{ - return (regs->xcs & SEGMENT_RPL_MASK) == USER_RPL; -} -static inline int user_mode_vm(struct pt_regs *regs) -{ - return ((regs->xcs & SEGMENT_RPL_MASK) | (regs->eflags & VM_MASK)) >= USER_RPL; -} -static inline int v8086_mode(struct pt_regs *regs) -{ - return (regs->eflags & VM_MASK); -} - -#define instruction_pointer(regs) ((regs)->eip) -#define frame_pointer(regs) ((regs)->ebp) -#define stack_pointer(regs) ((regs)->esp) -#define regs_return_value(regs) ((regs)->eax) - -extern unsigned long profile_pc(struct pt_regs *regs); -#endif /* __KERNEL__ */ - -#endif diff --git a/include/asm-x86/ptrace_64.h b/include/asm-x86/ptrace_64.h deleted file mode 100644 index 7bfe61e1b705..000000000000 --- a/include/asm-x86/ptrace_64.h +++ /dev/null @@ -1,80 +0,0 @@ -#ifndef _X86_64_PTRACE_H -#define _X86_64_PTRACE_H - -#include /* For __user */ -#include - -#ifndef __ASSEMBLY__ - -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 */ -}; - -#endif - -#if defined(__KERNEL__) && !defined(__ASSEMBLY__) -#define user_mode(regs) (!!((regs)->cs & 3)) -#define user_mode_vm(regs) user_mode(regs) -#define instruction_pointer(regs) ((regs)->rip) -#define frame_pointer(regs) ((regs)->rbp) -#define stack_pointer(regs) ((regs)->rsp) -#define regs_return_value(regs) ((regs)->rax) - -extern unsigned long profile_pc(struct pt_regs *regs); -void signal_fault(struct pt_regs *regs, void __user *frame, char *where); - -struct task_struct; - -extern unsigned long -convert_rip_to_linear(struct task_struct *child, struct pt_regs *regs); - -enum { - EF_CF = 0x00000001, - EF_PF = 0x00000004, - EF_AF = 0x00000010, - EF_ZF = 0x00000040, - EF_SF = 0x00000080, - EF_TF = 0x00000100, - EF_IE = 0x00000200, - EF_DF = 0x00000400, - EF_OF = 0x00000800, - EF_IOPL = 0x00003000, - EF_IOPL_RING0 = 0x00000000, - EF_IOPL_RING1 = 0x00001000, - EF_IOPL_RING2 = 0x00002000, - EF_NT = 0x00004000, /* nested task */ - EF_RF = 0x00010000, /* resume */ - EF_VM = 0x00020000, /* virtual mode */ - EF_AC = 0x00040000, /* alignment */ - EF_VIF = 0x00080000, /* virtual interrupt */ - EF_VIP = 0x00100000, /* virtual interrupt pending */ - EF_ID = 0x00200000, /* id */ -}; - -#endif - -#endif