22 Apr
2005
22 Apr
'05
6:22 a.m.
On 22 April 2005 01:20, John Meacham wrote:
ghc 6.4 x86_64 appears to be interpreting foreign import "&foo" as importing the value of foo rather than the address of foo.
I wrote a test case that demonstrates this problem here http://repetae.net/john/ghc-bug.tar.gz
correct output:
;./foo () 0x080774f0 0x080774f4 0xdeadbeef
incorrect output:
;./foo () 0x00000000deadbeef 0xffffffffdeadbeef zsh: segmentation fault (core dumped) ./foo
It's actually a bug in the via-C code generator, but you're seeing it on x86_64 because of the lack of a native code generator on that platform. I think I've fixed it now, after testing I'll merge into the 6.4 branch. Cheers, Simon