Matthew, hello. On 2010 Oct 22, at 14:45, Matthew Flatt wrote:
> `raco exe' doesn't use the system linker (in the sense of `ld') at all. > It clones an existing binary and then adds an extra load command by > manipulating the Mach-O format directly. Flags added by `++exf', > meanwhile, are flags to the embedded `racket' or `gracket' in the > executable. Ah, I see -- this makes things clear. > I'm not sure how you'd add a section to an already-linked executable. > Maybe `libtool' can do that. It's possible that you could adapt the > code in "collects/compiler/private/mach-o.rkt" to add a section, but > I'm not sure how difficult it is to add a section as opposed to a load > command. > > It may be easiest to change the linker command in the Makefile when > building racket or gracket to add the `-sectcreate' flag. Then, when > `raco exe' clones the binary, your extra section would be there. Hmm: these are sounding quite heavyweight, unless there is indeed a way of manipulating the resulting executable, as you suggest. If I do manage to do this, I'll report back here. Thanks for the pointers. Best wishes, Norman -- Norman Gray : http://nxg.me.uk _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
