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/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
/*
* Copyright (C) 2012 Regents of the University of California
*/
#ifndef _UAPI_ASM_RISCV_PTRACE_H
#define _UAPI_ASM_RISCV_PTRACE_H
#ifndef __ASSEMBLY__
#include <linux/types.h>
#define PTRACE_GETFDPIC 33
#define PTRACE_GETFDPIC_EXEC 0
#define PTRACE_GETFDPIC_INTERP 1
/*
* User-mode register state for core dumps, ptrace, sigcontext
*
* This decouples struct pt_regs from the userspace ABI.
* struct user_regs_struct must form a prefix of struct pt_regs.
*/
struct user_regs_struct {
unsigned long pc;
unsigned long ra;
unsigned long sp;
unsigned long gp;
unsigned long tp;
unsigned long t0;
unsigned long t1;
unsigned long t2;
unsigned long s0;
unsigned long s1;
unsigned long a0;
unsigned long a1;
unsigned long a2;
unsigned long a3;
unsigned long a4;
unsigned long a5;
unsigned long a6;
unsigned long a7;
unsigned long s2;
unsigned long s3;
unsigned long s4;
unsigned long s5;
unsigned long s6;
unsigned long s7;
unsigned long s8;
unsigned long s9;
unsigned long s10;
unsigned long s11;
unsigned long t3;
unsigned long t4;
unsigned long t5;
unsigned long t6;
};
struct __riscv_f_ext_state {
__u32 f[32];
__u32 fcsr;
};
struct __riscv_d_ext_state {
__u64 f[32];
__u32 fcsr;
};
struct __riscv_q_ext_state {
__u64 f[64] __attribute__((aligned(16)));
__u32 fcsr;
/*
* Reserved for expansion of sigcontext structure. Currently zeroed
* upon signal, and must be zero upon sigreturn.
*/
__u32 reserved[3];
};
struct __riscv_ctx_hdr {
__u32 magic;
__u32 size;
};
struct __riscv_extra_ext_header {
__u32 __padding[129] __attribute__((aligned(16)));
/*
* Reserved for expansion of sigcontext structure. Currently zeroed
* upon signal, and must be zero upon sigreturn.
*/
__u32 reserved;
struct __riscv_ctx_hdr hdr;
};
union __riscv_fp_state {
struct __riscv_f_ext_state f;
struct __riscv_d_ext_state d;
struct __riscv_q_ext_state q;
};
struct __riscv_v_ext_state {
unsigned long vstart;
unsigned long vl;
unsigned long vtype;
unsigned long vcsr;
unsigned long vlenb;
void *datap;
/*
* In signal handler, datap will be set a correct user stack offset
* and vector registers will be copied to the address of datap
* pointer.
*
* In ptrace syscall, datap will be set to zero and the vector
* registers will be copied to the address right after this
* structure.
*/
};
/*
* According to spec: The number of bits in a single vector register,
* VLEN >= ELEN, which must be a power of 2, and must be no greater than
* 2^16 = 65536bits = 8192bytes
*/
#define RISCV_MAX_VLENB (8192)
#endif /* __ASSEMBLY__ */
#endif /* _UAPI_ASM_RISCV_PTRACE_H */
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