[MPlayer-dev-eng] [PATCH] Windows DLL support for OS X/Intel
Valtteri Vuorikoski
vuori at sci.fi
Mon Jul 24 16:04:40 CEST 2006
Diego Biurrun <diego at biurrun.de> writes:
> The OpenBSD hunk looks wrong/unrelated.
If you mean the stubs.s/loader_objfix.sh changes, it depends. As far
as I can see, my cpp-ified stubs.s and loader_objfix.sh result in
exactly the same thing, but without needing objcopy installed (the
required functionality is the same for Darwin and OpenBSD, that is,
adding _ to symbol names).
The loader_objfix.sh method can be preserved for OpenBSD, but that
would be sort of redundant.
> Skip the WRAPPER_OBJ variable and just add
>
> # QTX emulation is not supported in Darwin yet
> ifneq ($(TARGET_OS),Darwin)
> LIB_OBJECTS+=wrapper.o
> endif
I'll fix that.
> Other than that I think an updated patch will have a good chance of
> getting committed.
I'll clean up the mmap stuff that was discussed earlier first. It
might also be good to have a warning to the effect of "set
DYLD_BIND_AT_LAUNCH if you don't want to crash" if DYLD_BIND_AT_LAUNCH
isn't set, since all the workarounds I've managed to think for the
dyld issue of have been rather evil.
> You mean the stuff in FFmpeg? Several hacks have been proposed, but
> none have been accepted so far...
Yes. I have only seen the #ifdef'ified version. Do you think
converting the current gas macros into cpp macros would be acceptable?
For example:
#define FDCT_ROW_SSE2_H2(p1,p2) \
"movq " #p1 "(%0), %%xmm2 \n\t"\
"movq " #p1 "+8(%0), %%xmm0 \n\t"\
"movdqa " #p1 "+32(%1), %%xmm3 \n\t"\
"movdqa " #p2 "+48(%1), %%xmm7 \n\t"
asm volatile(FDCT_ROW_SSE2_H2(4242,666) :: "r" (in), [...etc])
-v
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