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kernel/linux-imx6_3.14.28/arch/x86/um/user-offsets.c 2.43 KB
6b13f685e   김민수   BSP 최초 추가
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  #include <stdio.h>
  #include <stddef.h>
  #include <signal.h>
  #include <sys/poll.h>
  #include <sys/mman.h>
  #include <sys/user.h>
  #define __FRAME_OFFSETS
  #include <asm/ptrace.h>
  #include <asm/types.h>
  
  #ifdef __i386__
  #define __SYSCALL_I386(nr, sym, compat) [nr] = 1,
  static char syscalls[] = {
  #include <asm/syscalls_32.h>
  };
  #else
  #define __SYSCALL_64(nr, sym, compat) [nr] = 1,
  #define __SYSCALL_COMMON(nr, sym, compat) [nr] = 1,
  #define __SYSCALL_X32(nr, sym, compat) /* Not supported */
  static char syscalls[] = {
  #include <asm/syscalls_64.h>
  };
  #endif
  
  #define DEFINE(sym, val) \
  	asm volatile("
  ->" #sym " %0 " #val : : "i" (val))
  
  #define DEFINE_LONGS(sym, val) \
  	asm volatile("
  ->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long)))
  
  void foo(void)
  {
  #ifdef __i386__
  	DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_fpregs_struct));
  	DEFINE_LONGS(HOST_FPX_SIZE, sizeof(struct user_fpxregs_struct));
  
  	DEFINE(HOST_IP, EIP);
  	DEFINE(HOST_SP, UESP);
  	DEFINE(HOST_EFLAGS, EFL);
  	DEFINE(HOST_AX, EAX);
  	DEFINE(HOST_BX, EBX);
  	DEFINE(HOST_CX, ECX);
  	DEFINE(HOST_DX, EDX);
  	DEFINE(HOST_SI, ESI);
  	DEFINE(HOST_DI, EDI);
  	DEFINE(HOST_BP, EBP);
  	DEFINE(HOST_CS, CS);
  	DEFINE(HOST_SS, SS);
  	DEFINE(HOST_DS, DS);
  	DEFINE(HOST_FS, FS);
  	DEFINE(HOST_ES, ES);
  	DEFINE(HOST_GS, GS);
  	DEFINE(HOST_ORIG_AX, ORIG_EAX);
  #else
  	DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long));
  	DEFINE_LONGS(HOST_BX, RBX);
  	DEFINE_LONGS(HOST_CX, RCX);
  	DEFINE_LONGS(HOST_DI, RDI);
  	DEFINE_LONGS(HOST_SI, RSI);
  	DEFINE_LONGS(HOST_DX, RDX);
  	DEFINE_LONGS(HOST_BP, RBP);
  	DEFINE_LONGS(HOST_AX, RAX);
  	DEFINE_LONGS(HOST_R8, R8);
  	DEFINE_LONGS(HOST_R9, R9);
  	DEFINE_LONGS(HOST_R10, R10);
  	DEFINE_LONGS(HOST_R11, R11);
  	DEFINE_LONGS(HOST_R12, R12);
  	DEFINE_LONGS(HOST_R13, R13);
  	DEFINE_LONGS(HOST_R14, R14);
  	DEFINE_LONGS(HOST_R15, R15);
  	DEFINE_LONGS(HOST_ORIG_AX, ORIG_RAX);
  	DEFINE_LONGS(HOST_CS, CS);
  	DEFINE_LONGS(HOST_SS, SS);
  	DEFINE_LONGS(HOST_EFLAGS, EFLAGS);
  #if 0
  	DEFINE_LONGS(HOST_FS, FS);
  	DEFINE_LONGS(HOST_GS, GS);
  	DEFINE_LONGS(HOST_DS, DS);
  	DEFINE_LONGS(HOST_ES, ES);
  #endif
  
  	DEFINE_LONGS(HOST_IP, RIP);
  	DEFINE_LONGS(HOST_SP, RSP);
  #endif
  
  	DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
  	DEFINE(UM_POLLIN, POLLIN);
  	DEFINE(UM_POLLPRI, POLLPRI);
  	DEFINE(UM_POLLOUT, POLLOUT);
  
  	DEFINE(UM_PROT_READ, PROT_READ);
  	DEFINE(UM_PROT_WRITE, PROT_WRITE);
  	DEFINE(UM_PROT_EXEC, PROT_EXEC);
  
  	DEFINE(__NR_syscall_max, sizeof(syscalls) - 1);
  	DEFINE(NR_syscalls, sizeof(syscalls));
  }