1 #ifndef __SYSDEP_X86_PTRACE_H 2 #define __SYSDEP_X86_PTRACE_H 3 4 #include <generated/user_constants.h> 5 #include <sysdep/faultinfo.h> 6 7 #define MAX_REG_OFFSET (UM_FRAME_SIZE) 8 #define MAX_REG_NR ((MAX_REG_OFFSET) / sizeof(unsigned long)) 9 10 #define REGS_IP(r) ((r)[HOST_IP]) 11 #define REGS_SP(r) ((r)[HOST_SP]) 12 #define REGS_EFLAGS(r) ((r)[HOST_EFLAGS]) 13 #define REGS_AX(r) ((r)[HOST_AX]) 14 #define REGS_BX(r) ((r)[HOST_BX]) 15 #define REGS_CX(r) ((r)[HOST_CX]) 16 #define REGS_DX(r) ((r)[HOST_DX]) 17 #define REGS_SI(r) ((r)[HOST_SI]) 18 #define REGS_DI(r) ((r)[HOST_DI]) 19 #define REGS_BP(r) ((r)[HOST_BP]) 20 #define REGS_CS(r) ((r)[HOST_CS]) 21 #define REGS_SS(r) ((r)[HOST_SS]) 22 #define REGS_DS(r) ((r)[HOST_DS]) 23 #define REGS_ES(r) ((r)[HOST_ES]) 24 25 #define UPT_IP(r) REGS_IP((r)->gp) 26 #define UPT_SP(r) REGS_SP((r)->gp) 27 #define UPT_EFLAGS(r) REGS_EFLAGS((r)->gp) 28 #define UPT_AX(r) REGS_AX((r)->gp) 29 #define UPT_BX(r) REGS_BX((r)->gp) 30 #define UPT_CX(r) REGS_CX((r)->gp) 31 #define UPT_DX(r) REGS_DX((r)->gp) 32 #define UPT_SI(r) REGS_SI((r)->gp) 33 #define UPT_DI(r) REGS_DI((r)->gp) 34 #define UPT_BP(r) REGS_BP((r)->gp) 35 #define UPT_CS(r) REGS_CS((r)->gp) 36 #define UPT_SS(r) REGS_SS((r)->gp) 37 #define UPT_DS(r) REGS_DS((r)->gp) 38 #define UPT_ES(r) REGS_ES((r)->gp) 39 40 #ifdef __i386__ 41 #include "ptrace_32.h" 42 #else 43 #include "ptrace_64.h" 44 #endif 45 46 struct syscall_args { 47 unsigned long args[6]; 48 }; 49 50 #define SYSCALL_ARGS(r) ((struct syscall_args) \ 51 { .args = { UPT_SYSCALL_ARG1(r), \ 52 UPT_SYSCALL_ARG2(r), \ 53 UPT_SYSCALL_ARG3(r), \ 54 UPT_SYSCALL_ARG4(r), \ 55 UPT_SYSCALL_ARG5(r), \ 56 UPT_SYSCALL_ARG6(r) } } ) 57 58 struct uml_pt_regs { 59 unsigned long gp[MAX_REG_NR]; 60 unsigned long fp[MAX_FP_NR]; 61 struct faultinfo faultinfo; 62 long syscall; 63 int is_user; 64 }; 65 66 #define EMPTY_UML_PT_REGS { } 67 68 #define UPT_SYSCALL_NR(r) ((r)->syscall) 69 #define UPT_FAULTINFO(r) (&(r)->faultinfo) 70 #define UPT_IS_USER(r) ((r)->is_user) 71 72 extern int user_context(unsigned long sp); 73 74 #endif /* __SYSDEP_X86_PTRACE_H */ 75