|  | #include <generated/user_constants.h> | 
|  |  | 
|  | #define PT_OFFSET(r) ((r) * sizeof(long)) | 
|  |  | 
|  | #define PT_SYSCALL_NR(regs) ((regs)[HOST_ORIG_AX]) | 
|  | #define PT_SYSCALL_NR_OFFSET PT_OFFSET(HOST_ORIG_AX) | 
|  |  | 
|  | #define PT_SYSCALL_RET_OFFSET PT_OFFSET(HOST_AX) | 
|  |  | 
|  | #define REGS_IP_INDEX HOST_IP | 
|  | #define REGS_SP_INDEX HOST_SP | 
|  |  | 
|  | #ifdef __i386__ | 
|  | #define FP_SIZE ((HOST_FPX_SIZE > HOST_FP_SIZE) ? HOST_FPX_SIZE : HOST_FP_SIZE) | 
|  | #else | 
|  | #define FP_SIZE HOST_FP_SIZE | 
|  |  | 
|  | /* | 
|  | * x86_64 FC3 doesn't define this in /usr/include/linux/ptrace.h even though | 
|  | * it's defined in the kernel's include/linux/ptrace.h. Additionally, use the | 
|  | * 2.4 name and value for 2.4 host compatibility. | 
|  | */ | 
|  | #ifndef PTRACE_OLDSETOPTIONS | 
|  | #define PTRACE_OLDSETOPTIONS 21 | 
|  | #endif | 
|  |  | 
|  | #endif |