qemu/linux-user/riscv/target_syscall.h

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/*
* This struct defines the way the registers are stored on the
* stack during a system call.
*
* Reference: linux/arch/riscv/include/uapi/asm/ptrace.h
*/
struct target_pt_regs {
abi_long sepc;
abi_long ra;
abi_long sp;
abi_long gp;
abi_long tp;
abi_long t0;
abi_long t1;
abi_long t2;
abi_long s0;
abi_long s1;
abi_long a0;
abi_long a1;
abi_long a2;
abi_long a3;
abi_long a4;
abi_long a5;
abi_long a6;
abi_long a7;
abi_long s2;
abi_long s3;
abi_long s4;
abi_long s5;
abi_long s6;
abi_long s7;
abi_long s8;
abi_long s9;
abi_long s10;
abi_long s11;
abi_long t3;
abi_long t4;
abi_long t5;
abi_long t6;
};
#ifdef TARGET_RISCV32
#define UNAME_MACHINE "riscv32"
#else
#define UNAME_MACHINE "riscv64"
#endif
#define UNAME_MINIMUM_RELEASE "4.15.0"
#define TARGET_MINSIGSTKSZ 2048
#define TARGET_MLOCKALL_MCL_CURRENT 1
#define TARGET_MLOCKALL_MCL_FUTURE 2
/* clone(flags, newsp, ptidptr, tls, ctidptr) for RISC-V */
/* This comes from linux/kernel/fork.c, CONFIG_CLONE_BACKWARDS */
#define TARGET_CLONE_BACKWARDS