Update plugin README files for Windows.

svn path=/trunk/yasm/; revision=2106

plugins/README

@@ -10,11 +10,13 @@ The plugins are written to be compiled against an *installed* yasm.
 Plugins may be loaded on the yasm command line using the -N command line
 option, e.g.:
   yasm -N ./libdbgmod.so
+  yasm -N Release/dbgmod.dll
   yasm -N /usr/local/lib/libx86mod
 (the .so will be automatically appended)
 If no directory path is specified, yasm will search in standard library
 locations (e.g. LD_LIBRARY_PATH, the rpath of the yasm executable, etc) to
-try to load the plugin.  Thus the last example could likely be written:
-  yasm -N libx86mod
+try to load the plugin.  Thus the last example (after installing the plugin)
+could likely be written:
+  yasm -N x86mod
 
 Plugins may override builtin modules like x86.

plugins/dbg/README

@@ -7,9 +7,15 @@ To build:
   cmake ..
   make
 
-Testing:
+Testing (on Windows):
+  yasm -N Release/dbgmod.dll -f dbg -
+     db 5
+     ^Z
+
+Testing (on Unix):
   yasm -N ./libdbgmod.so -f dbg -
      db 5
      ^D
-(result lines will have PLUGIN prefixed to the function calls; this
-demonstrates the plugin is being used rather than the builtin dbg module)
+
+Result lines will have PLUGIN prefixed to the function calls; this
+demonstrates the plugin is being used rather than the builtin dbg module.

plugins/x86/README

@@ -1,10 +1,19 @@
 This directory demonstrates how to build a yasm builtin module as a plugin.
 This can be useful for integrating custom changes without
 rebuilding/reinstalling yasm.
-It requires access to the yasm source.
 
-The yasm source directory must be defined to cmake, e.g.
+It requires access to the yasm source.  It defaults to assuming it is being
+built inside of the yasm source tree.
+
+To build:
   mkdir objdir
   cd objdir
-  cmake -DYASM_SOURCE_DIR=/home/foo/yasm ..
+  cmake ..
   make
+
+Testing (on Windows):
+  yasm -N Release/x86mod.dll -f x86 ...
+
+Testing (on Unix):
+  yasm -N ./libx86mod.so -f x86 ...
+