On Sun, 6 Dec 2009, Andreas F?rber wrote: > > Am 06.12.2009 um 06:13 schrieb malc: > > > On Sun, 6 Dec 2009, Andreas Faerber wrote: > > > > > Darwin/ppc64 does not use function descriptors, > > > adapt prologue and tcg_out_call accordingly. > > > GPR2 is available for general use, so let's use it. > > > > > > http://developer.apple.com/mac/library/documentation/DeveloperTools/Conceptual/LowLevelABI/110-64-bit_PowerPC_Function_Calling_Conventions/64bitPowerPC.html > > > > > > Signed-off-by: Andreas Faerber <andreas.faer...@web.de> > > > Cc: malc <av1...@comtv.ru> > > > --- > > > tcg/ppc64/tcg-target.c | 30 ++++++++++++++++++++++++++++++ > > > 1 files changed, 30 insertions(+), 0 deletions(-) > > > > > > diff --git a/tcg/ppc64/tcg-target.c b/tcg/ppc64/tcg-target.c > > > index a612e10..bf9b7d9 100644 > > > --- a/tcg/ppc64/tcg-target.c > > > +++ b/tcg/ppc64/tcg-target.c > > > > @@ -859,10 +882,12 @@ void tcg_target_qemu_prologue (TCGContext *s) > > > ; > > > frame_size = (frame_size + 15) & ~15; > > > > > > +#ifndef __APPLE__ > > > /* First emit adhoc function descriptor */ > > > addr = (uint64_t) s->code_ptr + 24; > > > tcg_out32 (s, addr >> 32); tcg_out32 (s, addr); /* entry point */ > > > s->code_ptr += 16; /* skip TOC and environment pointer */ > > > +#endif > > > > > > /* Prologue */ > > > tcg_out32 (s, MFSPR | RT (0) | LR); > > > > The frame format is different to that of PPC-elf64abi, shouldn't really > > make a difference here, then again i don't have access to PPC64 Mac OSX, > > so can't really verify that. > > I checked that the linkage area is 48, too, the LR offset is 16, too. > The parameter area was depicted as 64 < 128. > So I guess we're good there. > > > Otherwise looks good.. Should i commit it with R13 fixed? > > About the callee-save stuff I was less certain. Feel free to make > modifications (e.g., moving tcg_out_call up?) or have me resubmit.
Sorry, i don't get this part, i was just thinking of removing R13 from the list. Moving tcg_out_call? -- mailto:av1...@comtv.ru
