diff --git a/src/arch.h b/src/arch.h
index 9218f690..a06d5566 100644
--- a/src/arch.h
+++ b/src/arch.h
@@ -38,7 +38,7 @@ typedef unsigned char byte_t;
 #define OFFSETOF_STATX_UID 20
 #define OFFSETOF_STATX_GID 24
 
-#if !defined(ARCH_X86_64) && !defined(ARCH_ARM_EABI) && !defined(ARCH_X86) && !defined(ARCH_SH4)
+#if !defined(ARCH_X86_64) && !defined(ARCH_ARM_EABI) && !defined(ARCH_X86) && !defined(ARCH_SH4) && !defined(ARCH_LOONGARCH64)
 #    if defined(__x86_64__)
 #        define ARCH_X86_64 1
 #    elif defined(__ARM_EABI__)
@@ -51,6 +51,8 @@ typedef unsigned char byte_t;
 #        define ARCH_X86 1
 #    elif defined(__SH4__)
 #        define ARCH_SH4 1
+#    elif defined(__loongarch_lp64)
+#        define ARCH_LOONGARCH64 1
 #    else
 #        error "Unsupported architecture"
 #    endif
@@ -170,6 +172,24 @@ typedef unsigned char byte_t;
     #define OFFSETOF_STAT_GID_32 0
     #define NO_MISALIGNED_ACCESS 1
 
+#elif defined(ARCH_LOONGARCH64)
+
+    #define SYSNUMS_HEADER1 "syscall/sysnums-loongarch64.h"
+    #define SYSNUMS_ABI1    sysnums_loongarch64
+
+    #define SYSTRAP_SIZE 4
+
+    #define SECCOMP_ARCHS { { .value = AUDIT_ARCH_LOONGARCH64, .nb_abis = 1, .abis = { ABI_DEFAULT } } }
+
+    #define HOST_ELF_MACHINE {258, 0};
+    #define RED_ZONE_SIZE 0
+    #define OFFSETOF_STAT_UID_32 0
+    #define OFFSETOF_STAT_GID_32 0
+
+    #define LOADER_ADDRESS     0x2000000000
+    #define EXEC_PIC_ADDRESS   0x3000000000
+    #define INTERP_PIC_ADDRESS 0x3f00000000
+
 #else
 
     #error "Unsupported architecture"
diff --git a/src/loader/assembly-loongarch64.h b/src/loader/assembly-loongarch64.h
new file mode 100644
index 00000000..51dad1ed
--- /dev/null
+++ b/src/loader/assembly-loongarch64.h
@@ -0,0 +1,101 @@
+/* -*- c-set-style: "K&R"; c-basic-offset: 8 -*-
+ *
+ * This file is part of PRoot.
+ *
+ * Copyright (C) 2015 STMicroelectronics
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA.
+ */
+
+/* According to the LoongArch ABI, all registers have undefined values at
+ * program startup except:
+ *
+ * - the instruction pointer (pc)
+ * - the stack pointer (sp)
+ * - the rtld_fini pointer (a0)
+ */
+#define BRANCH(stack_pointer, destination) do {			\
+	asm volatile (						\
+		"# Restore initial stack pointer.	\n\t"	\
+		"move $sp, %0				\n\t"	\
+		"					\n\t"	\
+		"# Clear rtld_fini.		\n\t"	\
+		"move $a0, $zero			\n\t"	\
+		"					\n\t"	\
+		"# Start the program.			\n\t"	\
+		"jr %1				\n"		\
+		: /* no output */				\
+		: "r" (stack_pointer), "r" (destination)	\
+		: "memory", "$sp", "$a0");			\
+	__builtin_unreachable();				\
+	} while (0)
+
+#define PREPARE_ARGS_1(arg1_)				\
+	register word_t arg1 asm("$a0") = arg1_;		\
+
+#define PREPARE_ARGS_3(arg1_, arg2_, arg3_)		\
+	PREPARE_ARGS_1(arg1_)				\
+	register word_t arg2 asm("$a1") = arg2_;		\
+	register word_t arg3 asm("$a2") = arg3_;		\
+
+#define PREPARE_ARGS_4(arg1_, arg2_, arg3_, arg4_)	\
+	PREPARE_ARGS_3(arg1_, arg2_, arg3_)		\
+	register word_t arg4 asm("$a3") = arg4_;		\
+
+#define PREPARE_ARGS_6(arg1_, arg2_, arg3_, arg4_, arg5_, arg6_)	\
+	PREPARE_ARGS_4(arg1_, arg2_, arg3_, arg4_)			\
+	register word_t arg5 asm("$a4") = arg5_;				\
+	register word_t arg6 asm("$a5") = arg6_;
+
+#define OUTPUT_CONTRAINTS_1			\
+	"r" (arg1)
+
+#define OUTPUT_CONTRAINTS_3			\
+	OUTPUT_CONTRAINTS_1,			\
+	"r" (arg2), "r" (arg3)
+
+#define OUTPUT_CONTRAINTS_4			\
+	OUTPUT_CONTRAINTS_3,			\
+	"r" (arg4)
+
+#define OUTPUT_CONTRAINTS_6				\
+	OUTPUT_CONTRAINTS_4,				\
+	"r" (arg5), "r" (arg6)
+
+#define SYSCALL_CLOBBERLIST				\
+		"memory", "$t0", "$t1", "$t2", "$t3", "$t4", "$t5", "$t6", "$t7", "$t8"
+
+#define SYSCALL(number_, nb_args, args...)				\
+	({								\
+		register word_t number asm("$a7") = number_;		\
+		register word_t result asm("$a0");			\
+		PREPARE_ARGS_##nb_args(args)				\
+			asm volatile (					\
+				"syscall 0				\n\t"	\
+				: "+r" (result)				\
+				: "r" (number),				\
+				OUTPUT_CONTRAINTS_##nb_args		\
+				: SYSCALL_CLOBBERLIST);			\
+			result;						\
+	})
+
+#define OPENAT	56
+#define CLOSE	57
+#define MMAP	222
+#define EXECVE	221
+#define EXIT	93
+#define PRCTL   167
+#define MPROTECT 226
diff --git a/src/loader/loader.c b/src/loader/loader.c
index 79e15f56..a8c51be3 100644
--- a/src/loader/loader.c
+++ b/src/loader/loader.c
@@ -43,6 +43,8 @@
 #    include "loader/assembly-x86.h"
 #elif defined(ARCH_ARM64)
 #    include "loader/assembly-arm64.h"
+#elif defined(ARCH_LOONGARCH64)
+#    include "loader/assembly-loongarch64.h"
 #else
 #    error "Unsupported architecture"
 #endif
diff --git a/src/ptrace/ptrace.c b/src/ptrace/ptrace.c
index 8085b311..9ef4ff31 100644
--- a/src/ptrace/ptrace.c
+++ b/src/ptrace/ptrace.c
@@ -58,6 +58,10 @@
 #define user_fpregs_struct user_fpsimd_struct
 #endif
 
+#if defined(ARCH_LOONGARCH64)
+#define user_fpregs_struct user_fp_struct
+#endif
+
 static const char *stringify_ptrace(PTRACE_REQUEST_TYPE request)
 {
 #define CASE_STR(a) case a: return #a; break;
diff --git a/src/syscall/sysnums-loongarch64.h b/src/syscall/sysnums-loongarch64.h
new file mode 100644
index 00000000..ebb338be
--- /dev/null
+++ b/src/syscall/sysnums-loongarch64.h
@@ -0,0 +1,268 @@
+#include "syscall/sysnum.h"
+
+static const Sysnum sysnums_loongarch64[] = {
+	[ 0 ] = PR_io_setup,
+	[ 1 ] = PR_io_destroy,
+	[ 2 ] = PR_io_submit,
+	[ 3 ] = PR_io_cancel,
+	[ 4 ] = PR_io_getevents,
+	[ 5 ] = PR_setxattr,
+	[ 6 ] = PR_lsetxattr,
+	[ 7 ] = PR_fsetxattr,
+	[ 8 ] = PR_getxattr,
+	[ 9 ] = PR_lgetxattr,
+	[ 10 ] = PR_fgetxattr,
+	[ 11 ] = PR_listxattr,
+	[ 12 ] = PR_llistxattr,
+	[ 13 ] = PR_flistxattr,
+	[ 14 ] = PR_removexattr,
+	[ 15 ] = PR_lremovexattr,
+	[ 16 ] = PR_fremovexattr,
+	[ 17 ] = PR_getcwd,
+	[ 18 ] = PR_lookup_dcookie,
+	[ 19 ] = PR_eventfd2,
+	[ 20 ] = PR_epoll_create1,
+	[ 21 ] = PR_epoll_ctl,
+	[ 22 ] = PR_epoll_pwait,
+	[ 23 ] = PR_dup,
+	[ 24 ] = PR_dup3,
+	[ 25 ] = PR_fcntl,
+	[ 26 ] = PR_inotify_init1,
+	[ 27 ] = PR_inotify_add_watch,
+	[ 28 ] = PR_inotify_rm_watch,
+	[ 29 ] = PR_ioctl,
+	[ 30 ] = PR_ioprio_set,
+	[ 31 ] = PR_ioprio_get,
+	[ 32 ] = PR_flock,
+	[ 33 ] = PR_mknodat,
+	[ 34 ] = PR_mkdirat,
+	[ 35 ] = PR_unlinkat,
+	[ 36 ] = PR_symlinkat,
+	[ 37 ] = PR_linkat,
+	[ 38 ] = PR_renameat,
+	[ 39 ] = PR_umount2,
+	[ 40 ] = PR_mount,
+	[ 41 ] = PR_pivot_root,
+	[ 42 ] = PR_nfsservctl,
+	[ 43 ] = PR_statfs,
+	[ 44 ] = PR_fstatfs,
+	[ 45 ] = PR_truncate,
+	[ 46 ] = PR_ftruncate,
+	[ 47 ] = PR_fallocate,
+	[ 48 ] = PR_faccessat,
+	[ 49 ] = PR_chdir,
+	[ 50 ] = PR_fchdir,
+	[ 51 ] = PR_chroot,
+	[ 52 ] = PR_fchmod,
+	[ 53 ] = PR_fchmodat,
+	[ 54 ] = PR_fchownat,
+	[ 55 ] = PR_fchown,
+	[ 56 ] = PR_openat,
+	[ 57 ] = PR_close,
+	[ 58 ] = PR_vhangup,
+	[ 59 ] = PR_pipe2,
+	[ 60 ] = PR_quotactl,
+	[ 61 ] = PR_getdents64,
+	[ 62 ] = PR_lseek,
+	[ 63 ] = PR_read,
+	[ 64 ] = PR_write,
+	[ 65 ] = PR_readv,
+	[ 66 ] = PR_writev,
+	[ 67 ] = PR_pread64,
+	[ 68 ] = PR_pwrite64,
+	[ 69 ] = PR_preadv,
+	[ 70 ] = PR_pwritev,
+	[ 71 ] = PR_sendfile,
+	[ 72 ] = PR_pselect6,
+	[ 73 ] = PR_ppoll,
+	[ 74 ] = PR_signalfd4,
+	[ 75 ] = PR_vmsplice,
+	[ 76 ] = PR_splice,
+	[ 77 ] = PR_tee,
+	[ 78 ] = PR_readlinkat,
+	[ 79 ] = PR_fstatat64,
+	[ 80 ] = PR_fstat,
+	[ 81 ] = PR_sync,
+	[ 82 ] = PR_fsync,
+	[ 83 ] = PR_fdatasync,
+	[ 84 ] = PR_sync_file_range,
+	[ 85 ] = PR_timerfd_create,
+	[ 86 ] = PR_timerfd_settime,
+	[ 87 ] = PR_timerfd_gettime,
+	[ 88 ] = PR_utimensat,
+	[ 89 ] = PR_acct,
+	[ 90 ] = PR_capget,
+	[ 91 ] = PR_capset,
+	[ 92 ] = PR_personality,
+	[ 93 ] = PR_exit,
+	[ 94 ] = PR_exit_group,
+	[ 95 ] = PR_waitid,
+	[ 96 ] = PR_set_tid_address,
+	[ 97 ] = PR_unshare,
+	[ 98 ] = PR_futex,
+	[ 99 ] = PR_set_robust_list,
+	[ 100 ] = PR_get_robust_list,
+	[ 101 ] = PR_nanosleep,
+	[ 102 ] = PR_getitimer,
+	[ 103 ] = PR_setitimer,
+	[ 104 ] = PR_kexec_load,
+	[ 105 ] = PR_init_module,
+	[ 106 ] = PR_delete_module,
+	[ 107 ] = PR_timer_create,
+	[ 108 ] = PR_timer_gettime,
+	[ 109 ] = PR_timer_getoverrun,
+	[ 110 ] = PR_timer_settime,
+	[ 111 ] = PR_timer_delete,
+	[ 112 ] = PR_clock_settime,
+	[ 113 ] = PR_clock_gettime,
+	[ 114 ] = PR_clock_getres,
+	[ 115 ] = PR_clock_nanosleep,
+	[ 116 ] = PR_syslog,
+	[ 117 ] = PR_ptrace,
+	[ 118 ] = PR_sched_setparam,
+	[ 119 ] = PR_sched_setscheduler,
+	[ 120 ] = PR_sched_getscheduler,
+	[ 121 ] = PR_sched_getparam,
+	[ 122 ] = PR_sched_setaffinity,
+	[ 123 ] = PR_sched_getaffinity,
+	[ 124 ] = PR_sched_yield,
+	[ 125 ] = PR_sched_get_priority_max,
+	[ 126 ] = PR_sched_get_priority_min,
+	[ 127 ] = PR_sched_rr_get_interval,
+	[ 128 ] = PR_restart_syscall,
+	[ 129 ] = PR_kill,
+	[ 130 ] = PR_tkill,
+	[ 131 ] = PR_tgkill,
+	[ 132 ] = PR_sigaltstack,
+	[ 133 ] = PR_rt_sigsuspend,
+	[ 134 ] = PR_rt_sigaction,
+	[ 135 ] = PR_rt_sigprocmask,
+	[ 136 ] = PR_rt_sigpending,
+	[ 137 ] = PR_rt_sigtimedwait,
+	[ 138 ] = PR_rt_sigqueueinfo,
+	[ 139 ] = PR_rt_sigreturn,
+	[ 140 ] = PR_setpriority,
+	[ 141 ] = PR_getpriority,
+	[ 142 ] = PR_reboot,
+	[ 143 ] = PR_setregid,
+	[ 144 ] = PR_setgid,
+	[ 145 ] = PR_setreuid,
+	[ 146 ] = PR_setuid,
+	[ 147 ] = PR_setresuid,
+	[ 148 ] = PR_getresuid,
+	[ 149 ] = PR_setresgid,
+	[ 150 ] = PR_getresgid,
+	[ 151 ] = PR_setfsuid,
+	[ 152 ] = PR_setfsgid,
+	[ 153 ] = PR_times,
+	[ 154 ] = PR_setpgid,
+	[ 155 ] = PR_getpgid,
+	[ 156 ] = PR_getsid,
+	[ 157 ] = PR_setsid,
+	[ 158 ] = PR_getgroups,
+	[ 159 ] = PR_setgroups,
+	[ 160 ] = PR_uname,
+	[ 161 ] = PR_sethostname,
+	[ 162 ] = PR_setdomainname,
+	[ 163 ] = PR_getrlimit,
+	[ 164 ] = PR_setrlimit,
+	[ 165 ] = PR_getrusage,
+	[ 166 ] = PR_umask,
+	[ 167 ] = PR_prctl,
+	[ 168 ] = PR_getcpu,
+	[ 169 ] = PR_gettimeofday,
+	[ 170 ] = PR_settimeofday,
+	[ 171 ] = PR_adjtimex,
+	[ 172 ] = PR_getpid,
+	[ 173 ] = PR_getppid,
+	[ 174 ] = PR_getuid,
+	[ 175 ] = PR_geteuid,
+	[ 176 ] = PR_getgid,
+	[ 177 ] = PR_getegid,
+	[ 178 ] = PR_gettid,
+	[ 179 ] = PR_sysinfo,
+	[ 180 ] = PR_mq_open,
+	[ 181 ] = PR_mq_unlink,
+	[ 182 ] = PR_mq_timedsend,
+	[ 183 ] = PR_mq_timedreceive,
+	[ 184 ] = PR_mq_notify,
+	[ 185 ] = PR_mq_getsetattr,
+	[ 186 ] = PR_msgget,
+	[ 187 ] = PR_msgctl,
+	[ 188 ] = PR_msgrcv,
+	[ 189 ] = PR_msgsnd,
+	[ 190 ] = PR_semget,
+	[ 191 ] = PR_semctl,
+	[ 192 ] = PR_semtimedop,
+	[ 193 ] = PR_semop,
+	[ 194 ] = PR_shmget,
+	[ 195 ] = PR_shmctl,
+	[ 196 ] = PR_shmat,
+	[ 197 ] = PR_shmdt,
+	[ 198 ] = PR_socket,
+	[ 199 ] = PR_socketpair,
+	[ 200 ] = PR_bind,
+	[ 201 ] = PR_listen,
+	[ 202 ] = PR_accept,
+	[ 203 ] = PR_connect,
+	[ 204 ] = PR_getsockname,
+	[ 205 ] = PR_getpeername,
+	[ 206 ] = PR_sendto,
+	[ 207 ] = PR_recvfrom,
+	[ 208 ] = PR_setsockopt,
+	[ 209 ] = PR_getsockopt,
+	[ 210 ] = PR_shutdown,
+	[ 211 ] = PR_sendmsg,
+	[ 212 ] = PR_recvmsg,
+	[ 213 ] = PR_readahead,
+	[ 214 ] = PR_brk,
+	[ 215 ] = PR_munmap,
+	[ 216 ] = PR_mremap,
+	[ 217 ] = PR_add_key,
+	[ 218 ] = PR_request_key,
+	[ 219 ] = PR_keyctl,
+	[ 220 ] = PR_clone,
+	[ 221 ] = PR_execve,
+	[ 222 ] = PR_mmap,
+	[ 223 ] = PR_fadvise64,
+	[ 224 ] = PR_swapon,
+	[ 225 ] = PR_swapoff,
+	[ 226 ] = PR_mprotect,
+	[ 227 ] = PR_msync,
+	[ 228 ] = PR_mlock,
+	[ 229 ] = PR_munlock,
+	[ 230 ] = PR_mlockall,
+	[ 231 ] = PR_munlockall,
+	[ 232 ] = PR_mincore,
+	[ 233 ] = PR_madvise,
+	[ 234 ] = PR_remap_file_pages,
+	[ 235 ] = PR_mbind,
+	[ 236 ] = PR_get_mempolicy,
+	[ 237 ] = PR_set_mempolicy,
+	[ 238 ] = PR_migrate_pages,
+	[ 239 ] = PR_move_pages,
+	[ 240 ] = PR_rt_tgsigqueueinfo,
+	[ 241 ] = PR_perf_event_open,
+	[ 242 ] = PR_accept4,
+	[ 243 ] = PR_recvmmsg,
+	[ 244 ] = PR_arch_specific_syscall,
+	[ 260 ] = PR_wait4,
+	[ 261 ] = PR_prlimit64,
+	[ 262 ] = PR_fanotify_init,
+	[ 263 ] = PR_fanotify_mark,
+	[ 264 ] = PR_name_to_handle_at,
+	[ 265 ] = PR_open_by_handle_at,
+	[ 266 ] = PR_clock_adjtime,
+	[ 267 ] = PR_syncfs,
+	[ 268 ] = PR_setns,
+	[ 269 ] = PR_sendmmsg,
+	[ 270 ] = PR_process_vm_readv,
+	[ 271 ] = PR_process_vm_writev,
+	[ 272 ] = PR_kcmp,
+	[ 273 ] = PR_finit_module,
+	[ 274 ] = PR_sched_setattr,
+	[ 275 ] = PR_sched_getattr,
+	[ 276 ] = PR_renameat2,
+	[ 291 ] = PR_statx,
+    [ 435 ] = PR_clone3,
+};
diff --git a/src/tracee/reg.c b/src/tracee/reg.c
index a0c1784e..625aec46 100644
--- a/src/tracee/reg.c
+++ b/src/tracee/reg.c
@@ -34,7 +34,7 @@
 
 #include "arch.h"
 
-#if defined(ARCH_ARM64)
+#if defined(ARCH_ARM64) || defined(ARCH_LOONGARCH64)
 #include <linux/elf.h>  /* NT_PRSTATUS */
 #endif
 
@@ -165,6 +165,25 @@
 	[RTLD_FINI]     = USER_REGS_OFFSET(r4),
     };
 
+#elif defined(ARCH_LOONGARCH64)
+
+	#undef  USER_REGS_OFFSET
+	#define USER_REGS_OFFSET(reg_name) offsetof(struct user_regs_struct, reg_name)
+
+	static off_t reg_offset[] = {
+	[SYSARG_NUM]    = USER_REGS_OFFSET(regs[11]),
+	[SYSARG_1]      = USER_REGS_OFFSET(orig_a0),
+	[SYSARG_2]      = USER_REGS_OFFSET(regs[5]),
+	[SYSARG_3]      = USER_REGS_OFFSET(regs[6]),
+	[SYSARG_4]      = USER_REGS_OFFSET(regs[7]),
+	[SYSARG_5]      = USER_REGS_OFFSET(regs[8]),
+	[SYSARG_6]      = USER_REGS_OFFSET(regs[9]),
+	[SYSARG_RESULT] = USER_REGS_OFFSET(regs[4]),
+	[STACK_POINTER] = USER_REGS_OFFSET(regs[3]),
+	[INSTR_POINTER] = USER_REGS_OFFSET(csr_era),
+	[USERARG_1]     = USER_REGS_OFFSET(regs[4]),
+	};
+
 #else
 
     #error "Unsupported architecture"
@@ -246,7 +265,7 @@ int fetch_regs(Tracee *tracee)
 {
 	int status;
 
-#if defined(ARCH_ARM64)
+#if defined(ARCH_ARM64) || defined(ARCH_LOONGARCH64)
 	struct iovec regs;
 
 	regs.iov_base = &tracee->_regs[CURRENT];
@@ -319,6 +338,12 @@ int push_regs(Tracee *tracee)
 		regs.iov_len  = sizeof(tracee->_regs[CURRENT]);
 
 		status = ptrace(PTRACE_SETREGSET, tracee->pid, NT_PRSTATUS, &regs);
+#elif defined(ARCH_LOONGARCH64)
+	struct iovec regs;
+	regs.iov_base = &tracee->_regs[CURRENT];
+	regs.iov_len  = sizeof(tracee->_regs[CURRENT]);
+
+	status = ptrace(PTRACE_SETREGSET, tracee->pid, NT_PRSTATUS, &regs);
 #else
 #    if defined(ARCH_ARM_EABI)
 		/* On ARM, a special ptrace request is required to
diff --git a/test/ptrace-2.c b/test/ptrace-2.c
index 9d1339d4..afc45cff 100644
--- a/test/ptrace-2.c
+++ b/test/ptrace-2.c
@@ -50,6 +50,8 @@
 #        define ARCH_X86 1
 #    elif defined(__SH4__)
 #        define ARCH_SH4 1
+#    elif defined(__loongarch_lp64)
+#        define ARCH_LOONGARCH64 1
 #    else
 #        error "Unsupported architecture"
 #    endif
@@ -177,6 +179,25 @@ typedef enum {
 	[INSTR_POINTER] = USER_REGS_OFFSET(pc),
     };
 
+#elif defined(ARCH_LOONGARCH64)
+
+       #undef  USER_REGS_OFFSET
+       #define USER_REGS_OFFSET(reg_name) offsetof(struct user_regs_struct, reg_name)
+
+       static off_t reg_offset[] = {
+       [SYSARG_NUM]    = USER_REGS_OFFSET(regs[11]),
+       [SYSARG_1]      = USER_REGS_OFFSET(orig_a0),
+       [SYSARG_2]      = USER_REGS_OFFSET(regs[5]),
+       [SYSARG_3]      = USER_REGS_OFFSET(regs[6]),
+       [SYSARG_4]      = USER_REGS_OFFSET(regs[7]),
+       [SYSARG_5]      = USER_REGS_OFFSET(regs[8]),
+       [SYSARG_6]      = USER_REGS_OFFSET(regs[9]),
+       [SYSARG_RESULT] = USER_REGS_OFFSET(regs[4]),
+       [STACK_POINTER] = USER_REGS_OFFSET(regs[3]),
+       [INSTR_POINTER] = USER_REGS_OFFSET(csr_era),
+       [USERARG_1]     = USER_REGS_OFFSET(regs[4]),
+       };
+
 #else
 
     #error "Unsupported architecture"