1 #include <stdio.h> 2 #include <stddef.h> 3 #include <signal.h> 4 #include <sys/poll.h> 5 #include <sys/mman.h> 6 #include <sys/user.h> 7 #define __FRAME_OFFSETS 8 #include <linux/ptrace.h> 9 #include <asm/types.h> 10 11 #ifdef __i386__ 12 #define __SYSCALL_I386(nr, sym, qual) [nr] = 1, 13 static char syscalls[] = { 14 #include <asm/syscalls_32.h> 15 }; 16 #else 17 #define __SYSCALL_64(nr, sym, qual) [nr] = 1, 18 static char syscalls[] = { 19 #include <asm/syscalls_64.h> 20 }; 21 #endif 22 23 #define DEFINE(sym, val) \ 24 asm volatile("\n->" #sym " %0 " #val : : "i" (val)) 25 26 #define DEFINE_LONGS(sym, val) \ 27 asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long))) 28 29 void foo(void) 30 { 31 #ifdef __i386__ 32 DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_fpregs_struct)); 33 DEFINE_LONGS(HOST_FPX_SIZE, sizeof(struct user_fpxregs_struct)); 34 35 DEFINE(HOST_IP, EIP); 36 DEFINE(HOST_SP, UESP); 37 DEFINE(HOST_EFLAGS, EFL); 38 DEFINE(HOST_AX, EAX); 39 DEFINE(HOST_BX, EBX); 40 DEFINE(HOST_CX, ECX); 41 DEFINE(HOST_DX, EDX); 42 DEFINE(HOST_SI, ESI); 43 DEFINE(HOST_DI, EDI); 44 DEFINE(HOST_BP, EBP); 45 DEFINE(HOST_CS, CS); 46 DEFINE(HOST_SS, SS); 47 DEFINE(HOST_DS, DS); 48 DEFINE(HOST_FS, FS); 49 DEFINE(HOST_ES, ES); 50 DEFINE(HOST_GS, GS); 51 DEFINE(HOST_ORIG_AX, ORIG_EAX); 52 #else 53 #ifdef FP_XSTATE_MAGIC1 54 DEFINE_LONGS(HOST_FP_SIZE, 2696); 55 #else 56 DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long)); 57 #endif 58 DEFINE_LONGS(HOST_BX, RBX); 59 DEFINE_LONGS(HOST_CX, RCX); 60 DEFINE_LONGS(HOST_DI, RDI); 61 DEFINE_LONGS(HOST_SI, RSI); 62 DEFINE_LONGS(HOST_DX, RDX); 63 DEFINE_LONGS(HOST_BP, RBP); 64 DEFINE_LONGS(HOST_AX, RAX); 65 DEFINE_LONGS(HOST_R8, R8); 66 DEFINE_LONGS(HOST_R9, R9); 67 DEFINE_LONGS(HOST_R10, R10); 68 DEFINE_LONGS(HOST_R11, R11); 69 DEFINE_LONGS(HOST_R12, R12); 70 DEFINE_LONGS(HOST_R13, R13); 71 DEFINE_LONGS(HOST_R14, R14); 72 DEFINE_LONGS(HOST_R15, R15); 73 DEFINE_LONGS(HOST_ORIG_AX, ORIG_RAX); 74 DEFINE_LONGS(HOST_CS, CS); 75 DEFINE_LONGS(HOST_SS, SS); 76 DEFINE_LONGS(HOST_EFLAGS, EFLAGS); 77 #if 0 78 DEFINE_LONGS(HOST_FS, FS); 79 DEFINE_LONGS(HOST_GS, GS); 80 DEFINE_LONGS(HOST_DS, DS); 81 DEFINE_LONGS(HOST_ES, ES); 82 #endif 83 84 DEFINE_LONGS(HOST_IP, RIP); 85 DEFINE_LONGS(HOST_SP, RSP); 86 #endif 87 88 DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct)); 89 DEFINE(UM_POLLIN, POLLIN); 90 DEFINE(UM_POLLPRI, POLLPRI); 91 DEFINE(UM_POLLOUT, POLLOUT); 92 93 DEFINE(UM_PROT_READ, PROT_READ); 94 DEFINE(UM_PROT_WRITE, PROT_WRITE); 95 DEFINE(UM_PROT_EXEC, PROT_EXEC); 96 97 DEFINE(__NR_syscall_max, sizeof(syscalls) - 1); 98 DEFINE(NR_syscalls, sizeof(syscalls)); 99 } 100