On Wed, 2009-05-20 at 07:47 -0700, Ian Lance Taylor wrote: > Brian McGrew <brian@xxxxxxxxxxxxx> writes: > > > Is there any way of using a 32-bit library in a 64-bit build environment??? > > Our entire software build is 64-bit but I need to use a vendors library that > > is only 32-bit and never will be 64-bit. Any such way of accomplishing this > > task? > > No. If an x86 processor is running in 64-bit mode, then it can not > execute code compiled in 32-bit mode. The two modes are not compatible. > > The closest you can come is to write a 32-bit wrapper program around the > library, run it in a separate process, and use some sort of RPC to > communicate with it. > > Ian Wouldn't this depend on whether it is statically linked or dynamic? I could certainly use 32-bit mode calling conventions in my 64-bit code and call a function that uses only 32-bit instructions. (I'm probably revealing my ignorance of libraries here.) Bob
