Re: Question on BIGGEST_ALIGNMENT in GCC on NetBSD/m68k
On Mon, 2025-06-16 at 12:07 +0200, Geert Uytterhoeven wrote:
> > I think you need to change the ABI type in the ELF header:
> > https://fr.wikipedia.org/wiki/Executable_and_Linkable_Format
>
> Interesting....
>
> Does any system actually use ABI (byte 7) = 3 (Linux)?
> All of amd64/arm/arm64/ia64/i386/m68k/microblaze/mips(el)/powerpc/risvc/s390/sh/sparc
> seem to use 0 (SYSV).
>
> #define ELFOSABI_NONE 0
> #define ELFOSABI_LINUX 3
Strictly speaking, a value of 0x00 indicates SysV ABI [1].
But maybe we could use 0x03 for Linux/m68k with 4 bytes alignment.
Adrian
> [1] https://en.wikipedia.org/wiki/Executable_and_Linkable_Format#ELF_header
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.''`. John Paul Adrian Glaubitz
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