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59 lines
2.1 KiB
59 lines
2.1 KiB
3 years ago
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# How to update SystemZ tables.
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* Checkout LLVM. Patches are tested on commit `c13d5969^`, because
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`c13d5969` changed the decode table format.
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* Apply patches from the current directory.
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* Run tablegen.
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```
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cd $LLVM
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mkdir build
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cd build
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cmake -DCMAKE_CXX_FLAGS=-DCAPSTONE ..
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make SystemZCommonTableGen -j$(getconf _NPROCESSORS_ONLN)
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```
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* Copy `.inc` files.
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```
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cp arch/SystemZ/SystemZGenInsnNameMaps.inc \
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arch/SystemZ/SystemZGenInsnNameMaps.inc.old
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for inc in $(cd arch/SystemZ && ls *.inc); do
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cp $LLVM/build/lib/Target/SystemZ/$inc arch/SystemZ/
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done
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```
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* Fixup `SystemZGenInsnNameMaps.inc`.
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```
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comm -1 -3 \
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<(grep SYSZ_INS_ <arch/SystemZ/SystemZGenInsnNameMaps.inc.old \
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| sort -u) \
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<(grep SYSZ_INS_ <arch/SystemZ/SystemZGenInsnNameMaps.inc \
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| sort -u) \
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>arch/SystemZ/SystemZGenInsnNameMaps.inc.new
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cat arch/SystemZ/SystemZGenInsnNameMaps.inc.old \
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arch/SystemZ/SystemZGenInsnNameMaps.inc.new \
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>arch/SystemZ/SystemZGenInsnNameMaps.inc
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```
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* Add new groups, insns, registers and formats.
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* `include/capstone/systemz.h`
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* `enum sysz_insn`:
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```
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comm -1 -3 \
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<(perl -ne 'if (/(SYSZ_INS_.+),/) { print "\t$1,\n" }' \
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<include/capstone/systemz.h | sort -u) \
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<(perl -ne 'if (/(SYSZ_INS_.+),/) { print "\t$1,\n" }' \
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<arch/SystemZ/SystemZMappingInsn.inc | sort -u)
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```
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* `enum sysz_insn_group`:
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```
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perl -ne 'if (/(SYSZ_GRP_.*?),/) { print "\t$1,\n"; }' < \
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arch/SystemZ/SystemZMappingInsn.inc | sort -u
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```
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* `arch/SystemZ/SystemZDisassembler.c`
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* `arch/SystemZ/SystemZInstPrinter.c`
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* `arch/SystemZ/SystemZMCTargetDesc.c`
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* `arch/SystemZ/SystemZMCTargetDesc.h`
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* `arch/SystemZ/SystemZMapping.c`
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* `enum group_name_maps`:
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```
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perl -ne 'if (/(SYSZ_GRP_(.*?)),/) { print "\t{ $1, \"" . lc($2) . "\" },\n"; }' \
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arch/SystemZ/SystemZMappingInsn.inc | sort -u
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```
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