diff -Nru gdbmgr/autoload/gdbmgr.vim gdbmgr-fix//autoload/gdbmgr.vim
--- gdbmgr/autoload/gdbmgr.vim	2010-11-24 01:16:17.000000000 +0800
+++ gdbmgr-fix//autoload/gdbmgr.vim	2011-08-16 13:54:40.259742496 +0800
@@ -3322,9 +3322,9 @@
   " save user's options and maps
   call s:GdbMgrOptionSave()
   if a:0 > 0
-   let curfile= expand(a:1)
+   let curfile= getcwd()."/".expand(a:1)
   else
-   let curfile= expand("%")
+   let curfile= expand("%:p")
   endif
 
   " examine the command line arguments, if any
@@ -3333,10 +3333,10 @@
   "                          :DI pgmname core...  :DI winctrl pgmname core...
   if curfile != '--attaching--'
 "   call Decho("initialization: is curfile<".curfile."> executable? ------------------")
-   if executable(substitute(curfile,'\.[^.]\+$','','')) && !isdirectory(curfile)
+   if executable(substitute(curfile,'\.[^./]\+$','','')) && !isdirectory(curfile)
     " if current file, less its suffix, is executable, assume that the "curfile" is the program to be debugged
 "    call Decho("case: curfile<".curfile."> is executable")
-    let gdbcmd= substitute(curfile,'\.[^.]\+$','','')
+    let gdbcmd= substitute(curfile,'\.[^./]\+$','','')
 "    call Decho("curfile<".curfile."> is executable, assuming its the pgm to be debugged")
    else
 "    call Decho("case: curfile<".curfile."> is not executable")