diff -ur memleax-1.1.1/configure memleax-1.1.1/configure
--- memleax-1.1.1/configure	2023-06-30 16:52:49.401032162 +0800
+++ memleax-1.1.1/configure	2023-06-30 16:56:52.793616961 +0800
@@ -63,9 +63,13 @@
 	machine="loongarch64"
 	CFLAGS="$CFLAGS -DMLX_LOONGARCH64"
 	;;
+'riscv64')
+	machine="riscv"
+	CFLAGS="$CFLAGS -DMLX_RISCV64"
+	;;
 *)
 	echo "Error: unsupported machine: `uname -m`."
-	echo "Only x86, x86_64, arm, loongarch and aarch64 are supported."
+	echo "Only x86, x86_64, arm, loongarch, riscv and aarch64 are supported."
 	exit 2
 	;;
 esac
@@ -159,7 +163,7 @@
 
 cat << EOF > Makefile
 CFLAGS = $CFLAGS -g -O2 -Wall
-LDLIBS = $LDLIBS
+LDLIBS = $LDLIBS -llzma
 LDFLAGS = $LDFLAGS
 PREFIX = $prefix
 DESTDIR =
diff -ur memleax-1.1.1/machines.h memleax-1.1.1/machines.h
--- memleax-1.1.1/machines.h	2023-06-30 16:52:49.401032162 +0800
+++ memleax-1.1.1/machines.h	2023-06-30 16:30:58.889630806 +0800
@@ -177,6 +177,35 @@
 {
 	return ptrace_get_data(pid, address) == 0xd4200000;
 }
+#elif defined(MLX_RISCV64)
+static inline uintptr_t call_return_address(pid_t pid, registers_info_t *regs)
+{
+	return regs->ra;
+}
+static inline uintptr_t call_return_value(registers_info_t *regs)
+{
+	return regs->a0;
+}
+static inline uintptr_t call_arg1(pid_t pid, registers_info_t *regs)
+{
+	return regs->a0;
+}
+static inline uintptr_t call_arg2(pid_t pid, registers_info_t *regs)
+{
+	return regs->a1;
+}
+static inline uintptr_t pc_unwind(pid_t pid, registers_info_t *regs)
+{
+	return regs->pc;
+}
+static inline void set_breakpoint(pid_t pid, uintptr_t address, uintptr_t code)
+{
+	ptrace_set_data(pid, address,  0x00100073);
+}
+static inline int is_breakpoint(pid_t pid, uintptr_t address)
+{
+	return ptrace_get_data(pid, address) ==  0x00100073;
+}
 #endif
 
 #endif
diff -ur memleax-1.1.1/ptrace_utils.h memleax-1.1.1/ptrace_utils.h
--- memleax-1.1.1/ptrace_utils.h	2018-01-04 06:05:08.000000000 +0800
+++ memleax-1.1.1/ptrace_utils.h	2023-06-30 16:31:47.693773352 +0800
@@ -16,7 +16,7 @@
 
 #include <elf.h>
 #include <sys/uio.h>
-
+#include <asm/ptrace.h>
   #ifdef MLX_ARMv7
 typedef struct user_regs registers_info_t;
   #else