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Update README to explain how to run both 32bit and 64bit Mach-O binaries

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Shinichiro Hamaji 2011-06-16 23:49:53 +09:00
parent 4e07ab7de4
commit d6f41e36e1
1 changed files with 18 additions and 1 deletions
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19
README
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@ -33,7 +33,8 @@ To remove the entries, run the following command:
* How to try 32bit support
% make clean all BITS=32
% make clean
% make all BITS=32
If you see permission errors like
@ -46,6 +47,22 @@ addresses less than 0x10000.
Or, running ld-mac as a super user would also work.
* How to run both 64bit Mach-O and 32bit Mach-O binaries
% make both
% ./binfmt_misc.sh start `pwd`/ld-mac.sh
% /usr/i686-apple-darwin10/usr/bin/gcc -arch i386 mach/hello.c -o hello32
% /usr/i686-apple-darwin10/usr/bin/gcc -arch x86_64 mach/hello.c -o hello64
% /usr/i686-apple-darwin10/usr/bin/gcc -arch i386 -arch x86_64 mach/hello.c -o hello
% ./hello32
Hello, 32bit world!
% ./hello64
Hello, 64bit world!
% ./hello
Hello, 64bit world!
% LD_MAC_BITS=32 ./hello
Hello, 32bit world!
* Which programs should work
OK