diff --git a/Makefile b/Makefile
index 162c2ba..54ebb43 100644
--- a/Makefile
+++ b/Makefile
@@ -64,7 +64,7 @@ CFILES=main.c tools.c global_data.c memory.c filesys.c help.c task.c \
 	kernel.c test.c gdb_interface.c configure.c net.c dev.c bpf.c \
 	printk.c \
 	alpha.c x86.c ppc.c ia64.c s390.c s390x.c s390dbf.c ppc64.c x86_64.c \
-	arm.c arm64.c mips.c mips64.c sparc64.c \
+	arm.c arm64.c mips.c mips64.c riscv64.c sparc64.c \
 	extensions.c remote.c va_server.c va_server_v1.c symbols.c cmdline.c \
 	lkcd_common.c lkcd_v1.c lkcd_v2_v3.c lkcd_v5.c lkcd_v7.c lkcd_v8.c\
 	lkcd_fix_mem.c s390_dump.c lkcd_x86_trace.c \
@@ -84,7 +84,7 @@ OBJECT_FILES=main.o tools.o global_data.o memory.o filesys.o help.o task.o \
 	build_data.o kernel.o test.o gdb_interface.o net.o dev.o bpf.o \
 	printk.o \
 	alpha.o x86.o ppc.o ia64.o s390.o s390x.o s390dbf.o ppc64.o x86_64.o \
-	arm.o arm64.o mips.o mips64.o sparc64.o \
+	arm.o arm64.o mips.o mips64.o riscv64.o sparc64.o \
 	extensions.o remote.o va_server.o va_server_v1.o symbols.o cmdline.o \
 	lkcd_common.o lkcd_v1.o lkcd_v2_v3.o lkcd_v5.o lkcd_v7.o lkcd_v8.o \
 	lkcd_fix_mem.o s390_dump.o netdump.o diskdump.o makedumpfile.o xendump.o \
@@ -438,6 +438,9 @@ mips.o: ${GENERIC_HFILES} ${REDHAT_HFILES} mips.c
 mips64.o: ${GENERIC_HFILES} ${REDHAT_HFILES} mips64.c
 	${CC} -c ${CRASH_CFLAGS} mips64.c ${WARNING_OPTIONS} ${WARNING_ERROR}
 
+riscv64.o: ${GENERIC_HFILES} ${REDHAT_HFILES} riscv64.c
+	${CC} -c ${CRASH_CFLAGS} riscv64.c ${WARNING_OPTIONS} ${WARNING_ERROR}
+
 sparc64.o: ${GENERIC_HFILES} ${REDHAT_HFILES} sparc64.c
 	${CC} -c ${CRASH_CFLAGS} sparc64.c ${WARNING_OPTIONS} ${WARNING_ERROR}
 
diff --git a/README b/README
index 5abbce1..5ac5b60 100644
--- a/README
+++ b/README
@@ -37,7 +37,7 @@
   These are the current prerequisites: 
 
   o  At this point, x86, ia64, x86_64, ppc64, ppc, arm, arm64, alpha, mips,
-     mips64, s390 and s390x-based kernels are supported.  Other architectures
+     mips64, riscv64, s390 and s390x-based kernels are supported.  Other architectures
      may be addressed in the future.
 
   o  One size fits all -- the utility can be run on any Linux kernel version
diff --git a/configure.c b/configure.c
index 5188851..0d216d1 100644
--- a/configure.c
+++ b/configure.c
@@ -107,6 +107,7 @@ void add_extra_lib(char *);
 #undef MIPS
 #undef SPARC64
 #undef MIPS64
+#undef RISCV64
 
 #define UNKNOWN 0
 #define X86     1
@@ -122,6 +123,7 @@ void add_extra_lib(char *);
 #define MIPS    11
 #define SPARC64 12
 #define MIPS64  13
+#define RISCV64 14
 
 #define TARGET_X86    "TARGET=X86"
 #define TARGET_ALPHA  "TARGET=ALPHA"
@@ -136,6 +138,7 @@ void add_extra_lib(char *);
 #define TARGET_MIPS   "TARGET=MIPS"
 #define TARGET_MIPS64 "TARGET=MIPS64"
 #define TARGET_SPARC64 "TARGET=SPARC64"
+#define TARGET_RISCV64 "TARGET=RISCV64"
 
 #define TARGET_CFLAGS_X86    "TARGET_CFLAGS=-D_FILE_OFFSET_BITS=64"
 #define TARGET_CFLAGS_ALPHA  "TARGET_CFLAGS="
@@ -158,6 +161,8 @@ void add_extra_lib(char *);
 #define TARGET_CFLAGS_MIPS_ON_X86_64  "TARGET_CFLAGS=-m32 -D_FILE_OFFSET_BITS=64"
 #define TARGET_CFLAGS_MIPS64          "TARGET_CFLAGS="
 #define TARGET_CFLAGS_SPARC64         "TARGET_CFLAGS="
+#define TARGET_CFLAGS_RISCV64         "TARGET_CFLAGS="
+#define TARGET_CFLAGS_RISCV64_ON_X86_64	"TARGET_CFLAGS="
 
 #define GDB_TARGET_DEFAULT        "GDB_CONF_FLAGS="
 #define GDB_TARGET_ARM_ON_X86     "GDB_CONF_FLAGS=--target=arm-elf-linux"
@@ -168,6 +173,7 @@ void add_extra_lib(char *);
 #define GDB_TARGET_PPC64_ON_X86_64  "GDB_CONF_FLAGS=--target=powerpc64le-unknown-linux-gnu"
 #define GDB_TARGET_MIPS_ON_X86     "GDB_CONF_FLAGS=--target=mipsel-elf-linux"
 #define GDB_TARGET_MIPS_ON_X86_64  "GDB_CONF_FLAGS=--target=mipsel-elf-linux CFLAGS=-m32 CXXFLAGS=-m32"
+#define GDB_TARGET_RISCV64_ON_X86_64  "GDB_CONF_FLAGS=--target=riscv64-unknown-linux-gnu"
      
 /*
  *  The original plan was to allow the use of a particular version
@@ -404,6 +410,9 @@ get_current_configuration(struct supported_gdb_version *sp)
 #ifdef __sparc_v9__
 	target_data.target = SPARC64;
 #endif
+#ifdef __riscv64__
+	target_data.target = RISCV64;
+#endif
 
 	set_initial_target(sp);
 
@@ -457,6 +466,12 @@ get_current_configuration(struct supported_gdb_version *sp)
 			if ((target_data.initial_gdb_target != UNKNOWN) &&
 			    (target_data.host != target_data.initial_gdb_target))
 				arch_mismatch(sp);
+		} else if ((target_data.target == X86_64) &&
+			(name_to_target((char *)target_data.target_as_param) == RISCV64)) {
+			/*
+			 *  Build an RISCV64 crash binary on an X86_64 host.
+			 */
+			target_data.target = RISCV64;
 		} else {
 			fprintf(stderr,
 			    "\ntarget=%s is not supported on the %s host architecture\n\n",
@@ -497,6 +512,10 @@ get_current_configuration(struct supported_gdb_version *sp)
 		    (target_data.target != MIPS64))
 			arch_mismatch(sp);
 
+		if ((target_data.initial_gdb_target == RISCV64) &&
+		    (target_data.target != RISCV64))
+			arch_mismatch(sp);
+
 		if ((target_data.initial_gdb_target == X86) &&
 		    (target_data.target != X86)) {
 			if (target_data.target == X86_64) 
@@ -660,6 +679,9 @@ show_configuration(void)
 	case SPARC64:
 		printf("TARGET: SPARC64\n");
 		break;
+	case RISCV64:
+		printf("TARGET: RISCV64\n");
+		break;
 	}
 
 	if (strlen(target_data.program)) {
@@ -777,6 +799,14 @@ build_configure(struct supported_gdb_version *sp)
 		target = TARGET_SPARC64;
 		target_CFLAGS = TARGET_CFLAGS_SPARC64;
 		break;
+	case RISCV64:
+		target = TARGET_RISCV64;
+		if (target_data.host == X86_64) {
+			target_CFLAGS = TARGET_CFLAGS_RISCV64_ON_X86_64;
+			gdb_conf_flags = GDB_TARGET_RISCV64_ON_X86_64;
+		} else
+			target_CFLAGS = TARGET_CFLAGS_RISCV64;
+		break;
 	}
 
 	ldflags = get_extra_flags("LDFLAGS.extra", NULL);
@@ -1374,7 +1404,7 @@ make_spec_file(struct supported_gdb_version *sp)
 	printf("Vendor: Red Hat, Inc.\n");
 	printf("Packager: Dave Anderson <anderson@redhat.com>\n");
 	printf("ExclusiveOS: Linux\n");
-	printf("ExclusiveArch: %%{ix86} alpha ia64 ppc ppc64 ppc64pseries ppc64iseries x86_64 s390 s390x arm aarch64 ppc64le mips mipsel mips64el sparc64\n");
+	printf("ExclusiveArch: %%{ix86} alpha ia64 ppc ppc64 ppc64pseries ppc64iseries x86_64 s390 s390x arm aarch64 ppc64le mips mipsel mips64el sparc64 riscv64\n");
 	printf("Buildroot: %%{_tmppath}/%%{name}-root\n");
 	printf("BuildRequires: ncurses-devel zlib-devel bison\n");
 	printf("Requires: binutils\n");
@@ -1613,6 +1643,8 @@ set_initial_target(struct supported_gdb_version *sp)
 		target_data.initial_gdb_target = MIPS;
 	else if (strncmp(buf, "SPARC64", strlen("SPARC64")) == 0)
 		target_data.initial_gdb_target = SPARC64;
+	else if (strncmp(buf, "RISCV64", strlen("RISCV64")) == 0)
+		target_data.initial_gdb_target = RISCV64;
 }
 
 char *
@@ -1633,6 +1665,7 @@ target_to_name(int target)
 	case MIPS:   return("MIPS");
 	case MIPS64: return("MIPS64");
 	case SPARC64: return("SPARC64");
+	case RISCV64: return("RISCV64");
 	}
 
 	return "UNKNOWN";
@@ -1697,6 +1730,10 @@ name_to_target(char *name)
 		return MIPS64;
 	else if (strncmp(name, "sparc64", strlen("sparc64")) == 0)
 		return SPARC64;
+	else if (strncmp(name, "RISCV64", strlen("RISCV64")) == 0)
+		return RISCV64;
+	else if (strncmp(name, "riscv64", strlen("riscv64")) == 0)
+		return RISCV64;
 
 	return UNKNOWN;
 }
diff --git a/defs.h b/defs.h
index 9b1b69a..42ffba3 100644
--- a/defs.h
+++ b/defs.h
@@ -76,7 +76,7 @@
 #if !defined(X86) && !defined(X86_64) && !defined(ALPHA) && !defined(PPC) && \
     !defined(IA64) && !defined(PPC64) && !defined(S390) && !defined(S390X) && \
     !defined(ARM) && !defined(ARM64) && !defined(MIPS) && !defined(MIPS64) && \
-    !defined(SPARC64)
+    !defined(RISCV64) && !defined(SPARC64)
 #ifdef __alpha__
 #define ALPHA
 #endif
@@ -118,6 +118,9 @@
 #ifdef __sparc_v9__
 #define SPARC64
 #endif
+#ifdef __riscv64__
+#define RISCV64
+#endif
 #endif
 
 #ifdef X86
@@ -159,6 +162,9 @@
 #ifdef SPARC64
 #define NR_CPUS  (4096)
 #endif
+#ifdef RISCV64
+#define NR_CPUS  (256)
+#endif
 
 #define NR_DEVICE_DUMPS (64)
 
@@ -3484,6 +3490,63 @@ struct arm64_stackframe {
 #define _MAX_PHYSMEM_BITS       48
 #endif  /* MIPS64 */
 
+#ifdef RISCV64
+#define _64BIT_
+#define MACHINE_TYPE		"RISCV64"
+
+/*
+ * Direct memory mapping
+ */
+#define PTOV(X)										\
+	(((unsigned long)(X)+(machdep->kvbase)) - machdep->machspec->phys_base)
+#define VTOP(X)	({									\
+	ulong _X = X;									\
+	(THIS_KERNEL_VERSION >= 0x50D00 &&						\
+		(_X) >= machdep->machspec->kernel_link_addr) ?				\
+		(((unsigned long)(_X)-(machdep->machspec->kernel_link_addr)) +		\
+		 machdep->machspec->phys_base):						\
+		(((unsigned long)(_X)-(machdep->kvbase)) +				\
+		 machdep->machspec->phys_base);						\
+	})
+#define PAGEBASE(X)		(((ulong)(X)) & (ulong)machdep->pagemask)
+
+/*
+ * Stack size order
+ */
+#define THREAD_SIZE_ORDER       2
+
+#define PAGE_OFFSET		(machdep->machspec->page_offset)
+#define VMALLOC_START		(machdep->machspec->vmalloc_start_addr)
+#define VMALLOC_END		(machdep->machspec->vmalloc_end)
+#define VMEMMAP_VADDR		(machdep->machspec->vmemmap_vaddr)
+#define VMEMMAP_END		(machdep->machspec->vmemmap_end)
+#define MODULES_VADDR		(machdep->machspec->modules_vaddr)
+#define MODULES_END		(machdep->machspec->modules_end)
+#define IS_VMALLOC_ADDR(X)	riscv64_IS_VMALLOC_ADDR((ulong)(X))
+
+/* from arch/riscv/include/asm/pgtable.h */
+#define __SWP_TYPE_SHIFT        6
+#define __SWP_TYPE_BITS         5
+#define __SWP_TYPE_MASK         ((1UL << __SWP_TYPE_BITS) - 1)
+#define __SWP_OFFSET_SHIFT      (__SWP_TYPE_BITS + __SWP_TYPE_SHIFT)
+
+#define MAX_SWAPFILES_CHECK()   BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > __SWP_TYPE_BITS)
+
+#define SWP_TYPE(entry)		(((entry) >> __SWP_TYPE_SHIFT) & __SWP_TYPE_MASK)
+#define SWP_OFFSET(entry)	((entry) >> __SWP_OFFSET_SHIFT)
+#define __swp_type(entry)       SWP_TYPE(entry)
+#define __swp_offset(entry)     SWP_OFFSET(entry)
+
+#define TIF_SIGPENDING          (THIS_KERNEL_VERSION >= LINUX(2,6,23) ? 1 : 2)
+
+/* from arch/riscv/include/asm/sparsemem.h */
+#define _SECTION_SIZE_BITS      27
+#define _MAX_PHYSMEM_BITS       56 /* 56-bit physical address supported */
+#define PHYS_MASK_SHIFT		_MAX_PHYSMEM_BITS
+#define PHYS_MASK		(((1UL) << PHYS_MASK_SHIFT) - 1)
+
+#endif  /* RISCV64 */
+
 #ifdef X86
 #define _32BIT_
 #define MACHINE_TYPE       "X86"
@@ -4532,6 +4595,10 @@ struct machine_specific {
 #define MAX_HEXADDR_STRLEN (16)
 #define UVADDR_PRLEN      (16)
 #endif
+#ifdef RISCV64
+#define MAX_HEXADDR_STRLEN (16)
+#define UVADDR_PRLEN       (16)
+#endif
 
 #define BADADDR  ((ulong)(-1))
 #define BADVAL   ((ulong)(-1))
@@ -5126,6 +5193,9 @@ void dump_build_data(void);
 #ifdef MIPS64
 #define machdep_init(X) mips64_init(X)
 #endif
+#ifdef RISCV64
+#define machdep_init(X) riscv64_init(X)
+#endif
 #ifdef SPARC64
 #define machdep_init(X) sparc64_init(X)
 #endif
@@ -5606,6 +5676,9 @@ void display_help_screen(char *);
 #ifdef SPARC64
 #define dump_machdep_table(X) sparc64_dump_machdep_table(X)
 #endif
+#ifdef RISCV64
+#define dump_machdep_table(X) riscv64_dump_machdep_table(X)
+#endif
 extern char *help_pointer[];
 extern char *help_alias[];
 extern char *help_ascii[];
@@ -6682,6 +6755,86 @@ struct machine_specific {
 
 #endif /* MIPS64 */
 
+/*
+ * riscv64.c
+ */
+void riscv64_display_regs_from_elf_notes(int, FILE *);
+
+#ifdef RISCV64
+void riscv64_init(int);
+void riscv64_dump_machdep_table(ulong);
+int riscv64_IS_VMALLOC_ADDR(ulong);
+
+#define display_idt_table() \
+	error(FATAL, "-d option is not applicable to RISCV64 architecture\n")
+
+/* from arch/riscv/include/asm/ptrace.h */
+struct riscv64_register {
+	ulong regs[36];
+};
+
+struct riscv64_pt_regs {
+	ulong badvaddr;
+	ulong cause;
+	ulong epc;
+};
+
+struct riscv64_unwind_frame {
+	ulong fp;
+	ulong sp;
+	ulong pc;
+};
+
+#define KSYMS_START	(0x1)
+
+struct machine_specific {
+	ulong phys_base;
+	ulong page_offset;
+	ulong vmalloc_start_addr;
+	ulong vmalloc_end;
+	ulong vmemmap_vaddr;
+	ulong vmemmap_end;
+	ulong modules_vaddr;
+	ulong modules_end;
+	ulong kernel_link_addr;
+	ulong address_space_end;
+
+	ulong _page_present;
+	ulong _page_read;
+	ulong _page_write;
+	ulong _page_exec;
+	ulong _page_user;
+	ulong _page_global;
+	ulong _page_accessed;
+	ulong _page_dirty;
+	ulong _page_soft;
+
+	ulong _pfn_shift;
+
+	struct riscv64_register *crash_task_regs;
+};
+/* from arch/riscv/include/asm/pgtable-bits.h */
+#define 	_PAGE_PRESENT	(machdep->machspec->_page_present)
+#define 	_PAGE_READ	(machdep->machspec->_page_read)
+#define 	_PAGE_WRITE	(machdep->machspec->_page_write)
+#define 	_PAGE_EXEC	(machdep->machspec->_page_exec)
+#define 	_PAGE_USER	(machdep->machspec->_page_user)
+#define 	_PAGE_GLOBAL	(machdep->machspec->_page_global)
+#define 	_PAGE_ACCESSED	(machdep->machspec->_page_accessed)
+#define 	_PAGE_DIRTY	(machdep->machspec->_page_dirty)
+#define 	_PAGE_SOFT	(machdep->machspec->_page_soft)
+#define 	_PAGE_SEC	(machdep->machspec->_page_sec)
+#define 	_PAGE_SHARE	(machdep->machspec->_page_share)
+#define 	_PAGE_BUF	(machdep->machspec->_page_buf)
+#define 	_PAGE_CACHE	(machdep->machspec->_page_cache)
+#define 	_PAGE_SO	(machdep->machspec->_page_so)
+#define 	_PAGE_SPECIAL	_PAGE_SOFT
+#define		_PAGE_TABLE	_PAGE_PRESENT
+#define 	_PAGE_PROT_NONE	_PAGE_READ
+#define 	_PAGE_PFN_SHIFT	10
+
+#endif /* RISCV64 */
+
 /*
  * sparc64.c
  */
diff --git a/diskdump.c b/diskdump.c
index 2c1f9be..28503bc 100644
--- a/diskdump.c
+++ b/diskdump.c
@@ -622,6 +622,9 @@ restart:
 	else if (STRNEQ(header->utsname.machine, "aarch64") &&
 	    machine_type_mismatch(file, "ARM64", NULL, 0))
 		goto err;
+	else if (STRNEQ(header->utsname.machine, "riscv64") &&
+	    machine_type_mismatch(file, "RISCV64", NULL, 0))
+		goto err;
 
 	if (header->block_size != block_size) {
 		block_size = header->block_size;
@@ -780,6 +783,8 @@ restart:
 		dd->machine_type = EM_AARCH64;
 	else if (machine_type("SPARC64"))
 		dd->machine_type = EM_SPARCV9;
+	else if (machine_type("RISCV64"))
+		dd->machine_type = EM_RISCV;
 	else {
 		error(INFO, "%s: unsupported machine type: %s\n", 
 			DISKDUMP_VALID() ? "diskdump" : "compressed kdump",
@@ -1751,7 +1756,8 @@ dump_note_offsets(FILE *fp)
 			qemu = FALSE;
 			if (machine_type("X86_64") || machine_type("S390X") ||
 			    machine_type("ARM64") || machine_type("PPC64") ||
-			    machine_type("SPARC64") || machine_type("MIPS64")) {
+			    machine_type("SPARC64") || machine_type("MIPS64") ||
+			    machine_type("RISCV64")) {
 				note64 = (void *)dd->notes_buf + tot;
 				len = sizeof(Elf64_Nhdr);
 				if (STRNEQ((char *)note64 + len, "QEMU"))
@@ -2558,7 +2564,8 @@ dump_registers_for_compressed_kdump(void)
 	if (!KDUMP_CMPRS_VALID() || (dd->header->header_version < 4) ||
 	    !(machine_type("X86") || machine_type("X86_64") ||
 	      machine_type("ARM64") || machine_type("PPC64") ||
-	      machine_type("MIPS") || machine_type("MIPS64")))
+	      machine_type("MIPS") || machine_type("MIPS64") ||
+	      machine_type("RISCV64")))
 		error(FATAL, "-r option not supported for this dumpfile\n");
 
 	if (machine_type("ARM64") && (kt->cpus != dd->num_prstatus_notes))
diff --git a/help.c b/help.c
index 99214c1..253c71b 100644
--- a/help.c
+++ b/help.c
@@ -9512,7 +9512,7 @@ char *README[] = {
 "  These are the current prerequisites: ",
 "",
 "  o  At this point, x86, ia64, x86_64, ppc64, ppc, arm, arm64, alpha, mips,",
-"     mips64, s390 and s390x-based kernels are supported.  Other architectures",
+"     mips64, riscv64, s390 and s390x-based kernels are supported.  Other architectures",
 "     may be addressed in the future.",
 "",
 "  o  One size fits all -- the utility can be run on any Linux kernel version",
diff --git a/lkcd_vmdump_v2_v3.h b/lkcd_vmdump_v2_v3.h
index 984c2c2..7fa70b9 100644
--- a/lkcd_vmdump_v2_v3.h
+++ b/lkcd_vmdump_v2_v3.h
@@ -37,7 +37,7 @@
 
 #if defined(ARM) || defined(X86) || defined(PPC) || defined(S390) || \
 	defined(S390X) || defined(ARM64) || defined(MIPS) || \
-	defined(MIPS64) || defined(SPARC64)
+	defined(MIPS64) || defined(SPARC64) || defined(RISCV64)
 
 /*
  * Kernel header file for Linux crash dumps.
diff --git a/netdump.c b/netdump.c
index ff273b4..4ec12a0 100644
--- a/netdump.c
+++ b/netdump.c
@@ -300,6 +300,12 @@ is_netdump(char *file, ulong source_query)
 				goto bailout;
 			break;
 
+		case EM_RISCV:
+			if (machine_type_mismatch(file, "RISCV64", NULL,
+			    source_query))
+				goto bailout;
+			break;
+
 		default:
 			if (machine_type_mismatch(file, "(unknown)", NULL,
 			    source_query))
@@ -2935,7 +2941,8 @@ dump_registers_for_elf_dumpfiles(void)
 
         if (!(machine_type("X86") || machine_type("X86_64") || 
 	    machine_type("ARM64") || machine_type("PPC64") ||
-	    machine_type("MIPS") || machine_type("MIPS64")))
+	    machine_type("MIPS") || machine_type("MIPS64") ||
+	    machine_type("RISCV64")))
                 error(FATAL, "-r option not supported for this dumpfile\n");
 
 	if (NETDUMP_DUMPFILE()) {
diff --git a/ramdump.c b/ramdump.c
index a206fcb..d2bd7ff 100644
--- a/ramdump.c
+++ b/ramdump.c
@@ -188,6 +188,8 @@ char *ramdump_to_elf(void)
 		e_machine = EM_MIPS;
 	else if (machine_type("X86_64"))
 		e_machine = EM_X86_64;
+	else if (machine_type("RISCV64"))
+		e_machine = EM_RISCV;
 	else
 		error(FATAL, "ramdump: unsupported machine type: %s\n", 
 			MACHINE_TYPE);
diff --git a/riscv64.c b/riscv64.c
new file mode 100644
index 0000000..c7df857
--- /dev/null
+++ b/riscv64.c
@@ -0,0 +1,56 @@
+/* riscv64.c - core analysis suite
+ *
+ * Copyright (C) 2022 Alibaba Group Holding Limited.
+ *
+ * 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.
+ */
+#ifdef RISCV64
+
+#include <elf.h>
+#include "defs.h"
+
+void
+riscv64_dump_machdep_table(ulong arg)
+{
+}
+
+/*
+ *  Include both vmalloc'd and module address space as VMALLOC space.
+ */
+int
+riscv64_IS_VMALLOC_ADDR(ulong vaddr)
+{
+	return ((vaddr >= VMALLOC_START && vaddr <= VMALLOC_END) ||
+		(vaddr >= VMEMMAP_VADDR && vaddr <= VMEMMAP_END) ||
+		(vaddr >= MODULES_VADDR && vaddr <= MODULES_END));
+}
+
+void
+riscv64_init(int when)
+{
+}
+
+void
+riscv64_display_regs_from_elf_notes(int cpu, FILE *ofp)
+{
+}
+
+#else /* !RISCV64 */
+
+#include "defs.h"
+
+void
+riscv64_display_regs_from_elf_notes(int cpu, FILE *ofp)
+{
+	return;
+}
+
+#endif /* !RISCV64 */
diff --git a/symbols.c b/symbols.c
index bee1faf..ea9e83e 100644
--- a/symbols.c
+++ b/symbols.c
@@ -3743,6 +3743,11 @@ is_kernel(char *file)
 				goto bailout;
 			break;
 
+		case EM_RISCV:
+			if (machine_type_mismatch(file, "RISCV64", NULL, 0))
+				goto bailout;
+			break;
+
 		default:
 			if (machine_type_mismatch(file, "(unknown)", NULL, 0))
 				goto bailout;
@@ -4002,6 +4007,11 @@ is_shared_object(char *file)
 			if (machine_type("MIPS64"))
 				return TRUE;
 			break;
+
+		case EM_RISCV:
+			if (machine_type("RISCV64"))
+				return TRUE;
+			break;
 		}
 
 		if (CRASHDEBUG(1))
