[llvm-commits] [gcc-plugin] r79627 - in /gcc-plugin/trunk: Makefile llvm-backend.cpp

[Duncan Sands]

Author: baldrick
Date: Fri Aug 21 08:08:13 2009
New Revision: 79627

URL: http://llvm.org/viewvc/llvm-project?rev=79627&view=rev
Log:
Export version and help information for the plugin.  This can be
accessed via "gcc --help -v -fplugin=./llvm.so".  Currently the
version number is the subversion revision, and there is no help.

Modified:
    gcc-plugin/trunk/Makefile
    gcc-plugin/trunk/llvm-backend.cpp

Modified: gcc-plugin/trunk/Makefile
URL: http://llvm.org/viewvc/llvm-project/gcc-plugin/trunk/Makefile?rev=79627&r1=79626&r2=79627&view=diff

==============================================================================
--- gcc-plugin/trunk/Makefile (original)
+++ gcc-plugin/trunk/Makefile Fri Aug 21 08:08:13 2009
@@ -2,6 +2,8 @@
 GCCOBJECT_DIR=/home/duncan/tmp/gcc.fsf.master-objects
 #GCCPLUGIN_DIR:=$(shell $(GCC) -print-file-name=plugin)
 
+REVISION:=$(shell svnversion -n .)
+
 TARGET_TRIPLE:=$(shell $(GCCOBJECT_DIR)/gcc/xgcc -v 2>&1 | grep "^Target:" | sed -e "s/^Target: *//")
 ARCH_DIR:=$(shell TARGET_TRIPLE=$(TARGET_TRIPLE) GCCSOURCE_DIR=$(GCCSOURCE_DIR) $(SHELL) ./get_arch_dir)
 
@@ -11,7 +13,8 @@
 PLUGIN_OBJECT_FILES=$(C_SOURCE_FILES:.c=.o) $(CPP_SOURCE_FILES:.cpp=.o)
 
 CFLAGS+=-Werror -fPIC -g -O2
-CFLAGS+=-DIN_GCC -DTARGET_NAME=\"$(TARGET_TRIPLE)\" -I$(ARCH_DIR)
+CFLAGS+=-DIN_GCC -DREVISION=\"$(REVISION)\" \
+	-DTARGET_NAME=\"$(TARGET_TRIPLE)\" -I$(ARCH_DIR)
 CFLAGS+=-I${GCCOBJECT_DIR}/gcc -I${GCCOBJECT_DIR}/gcc/include \
 	-I${GCCSOURCE_DIR}/gcc -I${GCCSOURCE_DIR}/include \
 	-I${GCCSOURCE_DIR}/libcpp/include -I${GCCSOURCE_DIR}/libdecnumber \

Modified: gcc-plugin/trunk/llvm-backend.cpp
URL: http://llvm.org/viewvc/llvm-project/gcc-plugin/trunk/llvm-backend.cpp?rev=79627&r1=79626&r2=79627&view=diff

==============================================================================
--- gcc-plugin/trunk/llvm-backend.cpp (original)
+++ gcc-plugin/trunk/llvm-backend.cpp Fri Aug 21 08:08:13 2009
@@ -1981,6 +1981,14 @@
     }
 };
 
+/// llvm_plugin_info - Information about this plugin.  Users can access this
+/// using "gcc --help -v".
+static struct plugin_info llvm_plugin_info = {
+  REVISION,	// version
+  // TODO provide something useful here
+  NULL		// help
+};
+
 /// plugin_init - The initialization routine called by GCC.  Defined in
 /// gcc-plugin.h.
 int plugin_init (struct plugin_name_args *plugin_info,
@@ -2022,6 +2030,9 @@
     }
   }
 
+  // Provide our version and help information.
+  register_callback (plugin_name, PLUGIN_INFO, NULL, &llvm_plugin_info);
+
   // Replace rtl expansion with gimple to LLVM conversion.
   pass_info.pass = &pass_emit_llvm.pass;
   pass_info.reference_pass_name = "expand";