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 struct target_pt_regs {
9     abi_long sepc;
10     abi_long ra;
11     abi_long sp;
12     abi_long gp;
13     abi_long tp;
14     abi_long t0;
15     abi_long t1;
16     abi_long t2;
17     abi_long s0;
18     abi_long s1;
19     abi_long a0;
20     abi_long a1;
21     abi_long a2;
22     abi_long a3;
23     abi_long a4;
24     abi_long a5;
25     abi_long a6;
26     abi_long a7;
27     abi_long s2;
28     abi_long s3;
29     abi_long s4;
30     abi_long s5;
31     abi_long s6;
32     abi_long s7;
33     abi_long s8;
34     abi_long s9;
35     abi_long s10;
36     abi_long s11;
37     abi_long t3;
38     abi_long t4;
39     abi_long t5;
40     abi_long t6;
41 };
42 
43 #ifdef TARGET_RISCV32
44 #define UNAME_MACHINE "riscv32"
45 #else
46 #define UNAME_MACHINE "riscv64"
47 #endif
48 #define UNAME_MINIMUM_RELEASE "4.15.0"
49 
50 #define TARGET_MINSIGSTKSZ 2048
51 #define TARGET_MLOCKALL_MCL_CURRENT 1
52 #define TARGET_MLOCKALL_MCL_FUTURE  2
53 
54 /* clone(flags, newsp, ptidptr, tls, ctidptr) for RISC-V */
55 /* This comes from linux/kernel/fork.c, CONFIG_CLONE_BACKWARDS */
56 #define TARGET_CLONE_BACKWARDS
57