[Lightning] Re: failure with GNU lightning on Mac OS X 10.6.2

[Ludovic Courtès]

Hi,

Todd Rovito <address@hidden> writes:

> This GDB was configured as "x86_64-apple-darwin"...Reading symbols for

[...]

> Program received signal EXC_BAD_ACCESS, Could not access memory.
> Reason: KERN_PROTECTION_FAILURE at address: 0x0000000100001100
> 0x0000000100001100 in codeBuffer ()

Could it be that Darwin clears the execution bit on data segments?

You could try allocating ‘codeBuffer’ like this:

  codeBuffer = mmap (NULL, 1024, PROT_EXEC | PROT_READ | PROT_WRITE,
                     MAP_PRIVATE | MAP_ANONYMOUS, -1, -1);

Hope this helps,
Ludo’.