On 28 September 2012 12:14, Johannes Pfau <nos...@example.com> wrote: > Am Fri, 28 Sep 2012 02:04:11 +0200 > schrieb "Rob T" <r...@ucora.com>: > >> >> So if I read this right, I can build phobos/druntime with -fPIC >> from the source code and it will work OK? If so, then why was >> this not done with the latest distrubution package, or is this >> only possible after a certain version number? >> >> --rt > > It shouldn't compile on x86 (32bit) with -fPIC because there's some > incompatible asm code in druntime and phobos. If dmd doesn't warn in > these cases, this code will fail as soon as it's called. > > GDC used to warn about these errors, but as we dropped the D inline > assembler that code doesn't affect us anymore and there are no more > warnings. > > The fix for this issue is simple: Do not modify the EBX register, or at > least save & restore it. >
In GDC D1 phobos, one hack around it was to use db to manually write out the bytecode instruction (thus bypassing GCC 'ebx' clobbered checks). Which was a fiendish workaround to say the least. :~) -- Iain Buclaw *(p < e ? p++ : p) = (c & 0x0f) + '0';
