Mainly added some environment configurations, macro definitions,
specific architecture structures and some function declarations
supported by the RISCV64 architecture.
With this patch we can get crash command,
$ make target=RISCV64 -j16
Signed-off-by: Xianting Tian <xianting.tian@xxxxxxxxxxxxxxxxx>
---
Makefile | 7 ++-
README | 2 +-
configure.c | 33 ++++++++++-
defs.h | 136 +++++++++++++++++++++++++++++++++++++++++++-
diskdump.c | 24 +++++++-
help.c | 2 +-
lkcd_vmdump_v2_v3.h | 2 +-
netdump.c | 11 +++-
ramdump.c | 2 +
riscv64.c | 45 +++++++++++++++
symbols.c | 10 ++++
11 files changed, 264 insertions(+), 10 deletions(-)
create mode 100644 riscv64.c
diff --git a/Makefile b/Makefile
index e520b12..e2e1c4a 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..6a36b49 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 +161,7 @@ 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 GDB_TARGET_DEFAULT "GDB_CONF_FLAGS="
#define GDB_TARGET_ARM_ON_X86 "GDB_CONF_FLAGS=--target=arm-elf-linux"
@@ -404,6 +408,9 @@ 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 +464,12 @@ 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 +510,10 @@ 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 +677,9 @@ show_configuration(void)
case SPARC64:
printf("TARGET: SPARC64\n");
break;
+ case RISCV64:
+ printf("TARGET: RISCV64\n");
+ break;
}
if (strlen(target_data.program)) {
@@ -777,6 +797,10 @@ build_configure(struct supported_gdb_version *sp)
target = TARGET_SPARC64;
target_CFLAGS = TARGET_CFLAGS_SPARC64;
break;
+ case RISCV64:
+ target = TARGET_RISCV64;
+ target_CFLAGS = TARGET_CFLAGS_RISCV64;
+ break;
}
ldflags = get_extra_flags("LDFLAGS.extra", NULL);
@@ -1374,7 +1398,7 @@ make_spec_file(struct supported_gdb_version *sp)
printf("Vendor: Red Hat, Inc.\n");
printf("Packager: Dave Anderson <anderson@xxxxxxxxxx>\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 +1637,8 @@ 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 +1659,7 @@ 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 +1724,10 @@ 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 a6735d0..428e874 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)
@@ -3470,6 +3476,43 @@ struct arm64_stackframe {
#define _MAX_PHYSMEM_BITS 48
#endif /* MIPS64 */
+#ifdef RISCV64
+#define _64BIT_
+#define MACHINE_TYPE "RISCV64"
+
+#define PAGEBASE(X) (((ulong)(X)) & (ulong)machdep->pagemask)
+
+#define PTOV(X) ((unsigned long)(X)+(machdep->kvbase))
+#define VTOP(X) ((unsigned long)(X)-(machdep->kvbase))
+
+#define IS_VMALLOC_ADDR(X) (vt->vmalloc_start && (ulong)(X) >= vt->vmalloc_start)
+
+#define MODULES_VADDR (machdep->machspec->modules_vaddr)
+#define MODULES_END (machdep->machspec->modules_end)
+#define VMALLOC_START (machdep->machspec->vmalloc_start_addr)
+#define VMALLOC_END (machdep->machspec->vmalloc_end)
+
+/* 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
+#endif /* RISCV64 */
+
#ifdef X86
#define _32BIT_
#define MACHINE_TYPE "X86"
@@ -4518,6 +4561,10 @@ 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))
@@ -5112,6 +5159,9 @@ 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
@@ -5592,6 +5642,9 @@ 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[];
@@ -6653,6 +6706,87 @@ 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);
+
+#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[35];
+};
+
+struct riscv64_pt_regs {
+ ulong badvaddr;
+ ulong cause;
+ ulong epc;
+};
+
+struct riscv64_unwind_frame {
+ unsigned long pc;
+ unsigned long ra;
+ unsigned long sp;
+};
+
+#define KSYMS_START (0x1)
+
+struct machine_specific {
+ ulong phys_base;
+ ulong vmalloc_start_addr;
+ ulong modules_vaddr;
+ ulong modules_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 _page_sec;
+ ulong _page_share;
+ ulong _page_buf;
+ ulong _page_cache;
+ ulong _page_so;
+ ulong _page_special;
+ ulong _page_table;
+ ulong _page_prot_none;
+
+ 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..fb08ac2 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",
@@ -1526,6 +1531,12 @@ get_diskdump_regs_mips(struct bt_info *bt, ulong *eip, ulong *esp)
machdep->get_stack_frame(bt, eip, esp);
}
+static void
+get_diskdump_regs_riscv64(struct bt_info *bt, ulong *eip, ulong *esp)
+{
+ machdep->get_stack_frame(bt, eip, esp);
+}
+
static void
get_diskdump_regs_sparc64(struct bt_info *bt, ulong *eip, ulong *esp)
{
@@ -1605,6 +1616,10 @@ get_diskdump_regs(struct bt_info *bt, ulong *eip, ulong *esp)
get_diskdump_regs_sparc64(bt, eip, esp);
break;
+ case EM_RISCV:
+ get_diskdump_regs_riscv64(bt, eip, esp);
+ break;
+
default:
error(FATAL, "%s: unsupported machine type: %s\n",
DISKDUMP_VALID() ? "diskdump" : "compressed kdump",
@@ -1751,7 +1766,8 @@ 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"))
@@ -2548,6 +2564,9 @@ diskdump_display_regs(int cpu, FILE *ofp)
if (machine_type("MIPS64"))
mips64_display_regs_from_elf_notes(cpu, ofp);
+
+ if (machine_type("RISCV64"))
+ riscv64_display_regs_from_elf_notes(cpu, ofp);
}
void
@@ -2558,7 +2577,8 @@ 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 51a0fe3..e4c39ed 100644
--- a/help.c
+++ b/help.c
@@ -9481,7 +9481,7 @@ 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..45b9ddd 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))
@@ -2925,6 +2931,8 @@ display_regs_from_elf_notes(int cpu, FILE *ofp)
mips_display_regs_from_elf_notes(cpu, ofp);
} else if (machine_type("MIPS64")) {
mips64_display_regs_from_elf_notes(cpu, ofp);
+ } else if (machine_type("RISCV64")) {
+ riscv64_display_regs_from_elf_notes(cpu, ofp);
}
}
@@ -2935,7 +2943,8 @@ 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..a4cd5c8
--- /dev/null
+++ b/riscv64.c
@@ -0,0 +1,45 @@
+/* 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)
+{
+}
+
+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 ba5e274..0ba2b00 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))
--
2.17.1
--
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