Re: [Crash-utility][PATCH 1/8] Add RISCV64 framework code support

[Heinrich Schuchardt <heinrich.schuchardt@canonical.com>]

On 7/21/22 10:17, HAGIO KAZUHITO(萩尾 一仁) wrote:
> On 2022/07/18 11:53, Xianting Tian wrote:
>> This patch mainly added some environment configurations, macro definitions,
>> specific architecture structures and some function declarations supported
>> by the RISCV64 architecture.
>>
>> We can use the build command to get the simplest version crash tool:
>> 	make target=RISCV64 -j2
>>
>> Signed-off-by: Xianting Tian <xianting.tian@linux.alibaba.com>
>> ---
>>    Makefile            |   7 +-
>>    README              |   2 +-
>>    configure.c         |  39 ++++++++++-
>>    defs.h              | 155 +++++++++++++++++++++++++++++++++++++++++++-
>>    diskdump.c          |  11 +++-
>>    help.c              |   2 +-
>>    lkcd_vmdump_v2_v3.h |   2 +-
>>    netdump.c           |   9 ++-
>>    ramdump.c           |   2 +
>>    riscv64.c           |  56 ++++++++++++++++
>>    symbols.c           |  10 +++
>>    11 files changed, 285 insertions(+), 10 deletions(-)
>>    create mode 100644 riscv64.c
>>
>> 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
> 
> For README, please append a description of x86_64 binary for riscv64
> dumpfiles here:
> ---
>     o  On an x86_64 host, an x86_64 binary that can be used to analyze
>        ppc64le dumpfiles may be built by typing "make target=PPC64".

Shouldn't debugging of a riscv64 crash binary also be possible on riscv64?

Best regards

Heinrich


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