Update Ghidra HEAD to commit 9abfa3da8 (#259)

* Bump Ghidra HEAD commit 9abfa3da8

Changed files:

```
M	Ghidra/Features/Decompiler/src/decompile/cpp/Makefile
M	Ghidra/Features/Decompiler/src/decompile/cpp/address.cc
M	Ghidra/Features/Decompiler/src/decompile/cpp/address.hh
M	Ghidra/Features/Decompiler/src/decompile/cpp/block.cc
M	Ghidra/Features/Decompiler/src/decompile/cpp/block.hh
M	Ghidra/Features/Decompiler/src/decompile/cpp/fspec.cc
M	Ghidra/Features/Decompiler/src/decompile/cpp/funcdata.hh
M	Ghidra/Features/Decompiler/src/decompile/cpp/funcdata_varnode.cc
M	Ghidra/Features/Decompiler/src/decompile/cpp/jumptable.cc
M	Ghidra/Features/Decompiler/src/decompile/cpp/jumptable.hh
M	Ghidra/Features/Decompiler/src/decompile/cpp/modelrules.hh
A	Ghidra/Features/Decompiler/src/decompile/cpp/multiprecision.cc
A	Ghidra/Features/Decompiler/src/decompile/cpp/multiprecision.hh
M	Ghidra/Features/Decompiler/src/decompile/cpp/ruleaction.cc
M	Ghidra/Features/Decompiler/src/decompile/cpp/ruleaction.hh
M	Ghidra/Features/Decompiler/src/decompile/cpp/slgh_compile.cc
M	Ghidra/Features/Decompiler/src/decompile/cpp/varnode.cc
M	Ghidra/Features/Decompiler/src/decompile/cpp/varnode.hh
A	Ghidra/Features/Decompiler/src/decompile/datatests/divopt.xml
A	Ghidra/Features/Decompiler/src/decompile/datatests/ifswitch.xml
M	Ghidra/Processors/AARCH64/data/languages/AARCH64_win.cspec
M	Ghidra/Processors/AARCH64/data/languages/AARCH64ldst.sinc
M	Ghidra/Processors/PowerPC/certification.manifest
M	Ghidra/Processors/PowerPC/data/languages/ppc_32_be.cspec
M	Ghidra/Processors/PowerPC/data/languages/ppc_32_e500_be.cspec
M	Ghidra/Processors/PowerPC/data/languages/ppc_32_e500_le.cspec
M	Ghidra/Processors/PowerPC/data/languages/ppc_32_e500mc_be.cspec
M	Ghidra/Processors/PowerPC/data/languages/ppc_32_e500mc_le.cspec
M	Ghidra/Processors/PowerPC/data/languages/ppc_32_le.cspec
M	Ghidra/Processors/PowerPC/data/languages/ppc_64_32.cspec
M	Ghidra/Processors/PowerPC/data/patterns/PPC_BE_patterns.xml
A	Ghidra/Processors/PowerPC/data/patterns/PPC_LE_patterns.xml
M	Ghidra/Processors/PowerPC/data/patterns/patternconstraints.xml
```

* Add new files

---------

Co-authored-by: Eric Kilmer <[email protected]>

CMakeLists.txt

@@ -143,6 +143,7 @@ set(public_include_header_list
 if(sleigh_RELEASE_IS_HEAD)
   list(APPEND public_include_header_list
     "${library_root}/compression.hh"
+    "${library_root}/multiprecision.hh"
     "${library_root}/slaformat.hh"
   )
 endif()

src/setup-ghidra-source.cmake

@@ -48,7 +48,7 @@ if("${sleigh_RELEASE_TYPE}" STREQUAL "HEAD")
   # TODO: CMake only likes numeric characters in the version string....
   set(ghidra_head_version "11.1")
   set(ghidra_version "${ghidra_head_version}")
-  set(ghidra_head_git_tag "6c60bd031386c967d4e21efa4dc14bc4d84613b2")
+  set(ghidra_head_git_tag "9abfa3da860a2f7b3361e209dc47451d659b0f6f")
   set(ghidra_git_tag "${ghidra_head_git_tag}")
   set(ghidra_shallow FALSE)
   set(ghidra_patches
@@ -166,10 +166,11 @@ set(sleigh_deccore_source_list
   "${library_root}/modelrules.cc"
   "${library_root}/signature.cc"
 )
-# if("${sleigh_RELEASE_TYPE}" STREQUAL "HEAD")
-#   list(APPEND sleigh_deccore_source_list
-#   )
-# endif()
+if("${sleigh_RELEASE_TYPE}" STREQUAL "HEAD")
+  list(APPEND sleigh_deccore_source_list
+    "${library_root}/multiprecision.cc"
+  )
+endif()
 
 set(sleigh_extra_source_list
   "${library_root}/callgraph.cc"