linux-user/riscv/target_syscall.h

   1 /*
   2  * This struct defines the way the registers are stored on the
   3  *  stack during a system call.
   4  *
   5  * Reference: linux/arch/riscv/include/uapi/asm/ptrace.h
   6  */
   7
   8 #ifndef LINUX_USER_RISCV_TARGET_SYSCALL_H
   9 #define LINUX_USER_RISCV_TARGET_SYSCALL_H
  10
  11 struct target_pt_regs {
  12     abi_long sepc;
  13     abi_long ra;
  14     abi_long sp;
  15     abi_long gp;
  16     abi_long tp;
  17     abi_long t0;
  18     abi_long t1;
  19     abi_long t2;
  20     abi_long s0;
  21     abi_long s1;
  22     abi_long a0;
  23     abi_long a1;
  24     abi_long a2;
  25     abi_long a3;
  26     abi_long a4;
  27     abi_long a5;
  28     abi_long a6;
  29     abi_long a7;
  30     abi_long s2;
  31     abi_long s3;
  32     abi_long s4;
  33     abi_long s5;
  34     abi_long s6;
  35     abi_long s7;
  36     abi_long s8;
  37     abi_long s9;
  38     abi_long s10;
  39     abi_long s11;
  40     abi_long t3;
  41     abi_long t4;
  42     abi_long t5;
  43     abi_long t6;
  44 };
  45
  46 #ifdef TARGET_RISCV32
  47 #define UNAME_MACHINE "riscv32"
  48 #else
  49 #define UNAME_MACHINE "riscv64"
  50 #endif
  51 #define UNAME_MINIMUM_RELEASE "4.15.0"
  52
  53 #define TARGET_MINSIGSTKSZ 2048
  54 #define TARGET_MCL_CURRENT 1
  55 #define TARGET_MCL_FUTURE  2
  56 #define TARGET_MCL_ONFAULT 4
  57
  58 /* clone(flags, newsp, ptidptr, tls, ctidptr) for RISC-V */
  59 /* This comes from linux/kernel/fork.c, CONFIG_CLONE_BACKWARDS */
  60 #define TARGET_CLONE_BACKWARDS
  61
  62 #endif