contrib/riscv_update/README.md
How to update RISCV tables.
- Checkout LLVM. Patches are tested on commit
b81d715c
. git clone https://github.com/llvm/llvm-project.git
git checkout b81d715c
- Apply patches from the current directory.
- Run tablegen.
cd $LLVM
mkdir build
cd build
cmake -DCMAKE_CXX_FLAGS=-DCAPSTONE -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD="RISCV" ..
make RISCVCommonTableGen
- Copy
.inc
files. cp arch/RISCV/RISCVGenInsnNameMaps.inc \
arch/RISCV/RISCVGenInsnNameMaps.inc.old
for inc in $(cd arch/RISCV && ls *.inc); do
cp $LLVM/build/lib/Target/RISCV/$inc arch/RISCV/
done
- Fixup
RISCVGenInsnNameMaps.inc
. comm -1 -3 \
<(grep RISCV_INS_ <arch/RISCV/RISCVGenInsnNameMaps.inc.old \
| sort -u) \
<(grep RISCV_INS_ <arch/RISCV/RISCVGenInsnNameMaps.inc \
| sort -u) \
>arch/RISCV/RISCVGenInsnNameMaps.inc.new
cat arch/RISCV/RISCVGenInsnNameMaps.inc.old \
arch/RISCV/RISCVGenInsnNameMaps.inc.new \
>arch/RISCV/RISCVGenInsnNameMaps.inc
- Add new groups, insns, registers and formats.
include/capstone/RISCV.h
enum RISCV_insn
: comm -1 -3 \
<(perl -ne 'if (/(RISCV_INS_.+),/) { print "\t$1,\n" }' \
<include/capstone/RISCV.h | sort -u) \
<(perl -ne 'if (/(RISCV_INS_.+),/) { print "\t$1,\n" }' \
<arch/RISCV/RISCVMappingInsn.inc | sort -u)
enum RISCV_insn_group
: perl -ne 'if (/(\{.RISCV_GRP_.*?\}),/) { print "\t$1,\n"; }' < \
arch/RISCV/RISCVMappingInsn.inc | sort -u
arch/RISCV/RISCVDisassembler.c
arch/RISCV/RISCVInstPrinter.c
arch/RISCV/RISCVMCTargetDesc.c
arch/RISCV/RISCVMCTargetDesc.h
arch/RISCV/RISCVMapping.c
enum group_name_maps
: perl -ne 'if (/(RISCV_GRP_(.*?)),/) { print "\t{ $1, \"" . lc($2) . "\" },\n"; }' \
arch/RISCV/RISCVMappingInsn.inc | sort -u