From f87ea4dd9ac9816131ee52ee6393c7b4012f2e68 Mon Sep 17 00:00:00 2001
From: Daniel Dunbar <daniel@zuster.org>
Date: Wed, 25 Nov 2009 04:46:58 +0000
Subject: [PATCH] Add the rest of the build system logic for optional target
 disassemblers

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89841 91177308-0d34-0410-b5e6-96231b3b80d8
---
 Makefile                            |  6 ++++--
 Makefile.rules                      |  5 +++++
 cmake/modules/LLVMConfig.cmake      |  6 +++++-
 include/llvm/Target/TargetSelect.h  | 14 ++++++++++++++
 tools/llvm-config/llvm-config.in.in |  4 ++++
 5 files changed, 32 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index 31c1b6961a3..1ef89e4ede0 100644
--- a/Makefile
+++ b/Makefile
@@ -155,9 +155,11 @@ install-libs: install
 FilesToConfig := \
   include/llvm/Config/config.h \
   include/llvm/Config/Targets.def \
-	include/llvm/Config/AsmPrinters.def \
+  include/llvm/Config/AsmPrinters.def \
+  include/llvm/Config/AsmParsers.def \
+  include/llvm/Config/Disassemblers.def \
   include/llvm/System/DataTypes.h \
-	tools/llvmc/plugins/Base/Base.td
+  tools/llvmc/plugins/Base/Base.td
 FilesToConfigPATH  := $(addprefix $(LLVM_OBJ_ROOT)/,$(FilesToConfig))
 
 all-local:: $(FilesToConfigPATH)
diff --git a/Makefile.rules b/Makefile.rules
index d9b210841e6..49ecb1e2d86 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -1565,6 +1565,11 @@ $(ObjDir)/%GenDAGISel.inc.tmp : %.td $(ObjDir)/.dir
 	$(Echo) "Building $(<F) DAG instruction selector implementation with tblgen"
 	$(Verb) $(TableGen) -gen-dag-isel -o $(call SYSPATH, $@) $<
 
+$(TARGET:%=$(ObjDir)/%GenDisassemblerTables.inc.tmp): \
+$(ObjDir)/%GenDisassemblerTables.inc.tmp : %.td $(ObjDir)/.dir
+	$(Echo) "Building $(<F) disassembly tables with tblgen"
+	$(Verb) $(TableGen) -gen-disassembler -o $(call SYSPATH, $@) $<
+
 $(TARGET:%=$(ObjDir)/%GenFastISel.inc.tmp): \
 $(ObjDir)/%GenFastISel.inc.tmp : %.td $(ObjDir)/.dir
 	$(Echo) "Building $(<F) \"fast\" instruction selector implementation with tblgen"
diff --git a/cmake/modules/LLVMConfig.cmake b/cmake/modules/LLVMConfig.cmake
index a7536748a37..0744b50d648 100755
--- a/cmake/modules/LLVMConfig.cmake
+++ b/cmake/modules/LLVMConfig.cmake
@@ -32,7 +32,7 @@ endfunction(explicit_llvm_config)
 function(explicit_map_components_to_libraries out_libs)
   set( link_components ${ARGN} )
   foreach(c ${link_components})
-    # add codegen, asmprinter, asmparser
+    # add codegen, asmprinter, asmparser, disassembler
     list(FIND LLVM_TARGETS_TO_BUILD ${c} idx)
     if( NOT idx LESS 0 )
       list(FIND llvm_libs "LLVM${c}CodeGen" idx)
@@ -58,6 +58,10 @@ function(explicit_map_components_to_libraries out_libs)
       if( NOT asmidx LESS 0 )
         list(APPEND expanded_components "LLVM${c}Info")
       endif()
+      list(FIND llvm_libs "LLVM${c}Disassembler" asmidx)
+      if( NOT asmidx LESS 0 )
+        list(APPEND expanded_components "LLVM${c}Disassembler")
+      endif()
     elseif( c STREQUAL "native" )
       list(APPEND expanded_components "LLVM${LLVM_NATIVE_ARCH}CodeGen")
     elseif( c STREQUAL "nativecodegen" )
diff --git a/include/llvm/Target/TargetSelect.h b/include/llvm/Target/TargetSelect.h
index e79f651e5da..951e7fa86b5 100644
--- a/include/llvm/Target/TargetSelect.h
+++ b/include/llvm/Target/TargetSelect.h
@@ -33,6 +33,10 @@ extern "C" {
   // Declare all of the available assembly parser initialization functions.
 #define LLVM_ASM_PARSER(TargetName) void LLVMInitialize##TargetName##AsmParser();
 #include "llvm/Config/AsmParsers.def"
+
+  // Declare all of the available disassembler initialization functions.
+#define LLVM_DISASSEMBLER(TargetName) void LLVMInitialize##TargetName##Disassembler();
+#include "llvm/Config/Disassemblers.def"
 }
 
 namespace llvm {
@@ -79,6 +83,16 @@ namespace llvm {
 #include "llvm/Config/AsmParsers.def"
   }
   
+  /// InitializeAllDisassemblers - The main program should call this function if
+  /// it wants all disassemblers that LLVM is configured to support, to make
+  /// them available via the TargetRegistry.
+  ///
+  /// It is legal for a client to make multiple calls to this function.
+  inline void InitializeAllDisassemblers() {
+#define LLVM_DISASSEMBLER(TargetName) LLVMInitialize##TargetName##Disassembler();
+#include "llvm/Config/Disassemblers.def"
+  }
+  
   /// InitializeNativeTarget - The main program should call this function to
   /// initialize the native target corresponding to the host.  This is useful 
   /// for JIT applications to ensure that the target gets linked in correctly.
diff --git a/tools/llvm-config/llvm-config.in.in b/tools/llvm-config/llvm-config.in.in
index 7f93f168dfd..d0edda0ef55 100644
--- a/tools/llvm-config/llvm-config.in.in
+++ b/tools/llvm-config/llvm-config.in.in
@@ -333,6 +333,10 @@ sub build_name_map {
         if (defined $NAME_MAP{$target.'asmparser'}) {
             push @{$NAME_MAP{$target}},$target.'asmparser'
         }
+
+        if (defined $NAME_MAP{$target.'disassembler'}) {
+            push @{$NAME_MAP{$target}},$target.'disassembler'
+        }
     }
 
     # Add virtual entries.
-- 
2.34.1