On Dienstag, 25. Januar 2022 12:22:33 CET Karoly Balogh wrote: > Hi, > > On Tue, 25 Jan 2022, Thorsten Otto via fpc-devel wrote: > > Yes, a.out support (which is used on Atari) has been dropped in 2.31. > > But i've added it back in, and cross-binutils of 2.34 can be found at > > http://tho-otto.de/crossmint.php#binutils > > Won't really help. As you found out already, section smartlinking won't > work with a.out. It never worked in any version of binutils on any > platform. Actually I went the vasm/vlink route, because the AS/LD versions > I found online at the time I worked on the port, crashed hard on me on > EmuTOS/Hatari, and vasm/vlink just worked. Plus the vasm/vlink combo > supported section-based smartlinking. This is something actually I > requested from Frank Wille to be added to vlink, and he was nice enough to > add it for us. It's used on Amiga, Atari, and the Sinclair QL. Just for > reference without some kind of smartlinking, we'd end up having a 300K-ish > hello world... Instead of 25K-ish... So yeah. > > (We do support individual .o/.a based smartlinking too, that should work > for Atari as well, but you'll literally end up growing roots, it's so > slow, I promise. So it just wasn't practical...) > > > That does not mean that the section based linking will work. I'll have > > to check whether that can somehow be supported. > > I based on my experience with customized binutils, recommend against > fighting with this. I'd much rather just generate an ELF binary, where all > the shiny features are available and tested, then convert it with some > tool to a native binary for the target. Actually we have several platforms > which do this or something similar already. If I'm not mistaken, GCC for > Atari used to have some tool like this? Brownout, maybe? > > > Yes, but when i use gas, i think fpc won't generate the required section > > directives? > > This is intentional. FPC knows that GAS for Atari uses a.out (or used at > the time, when I wired this together), and avoids generation sections, > because they just didn't work (they didn't even compile back then). > > Anyway, all of this is 2017-18 wisdom, or so. I haven't looked into your > updated binutils yet, so feel free to correct me regarding it, if > something which hasn't been supported before now is. :) > > Cheers, > -- > Charlie
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