On Mon, 2025-06-16 at 10:32 +0200, Laurent Vivier wrote: > Because most of the structures are correctly aligned by default, but > some of them not. You must run glibc test suite and LTP to be sure there > is no regression.
Good suggestion, thanks! > In QEMU, alignment is defined here: > > include/user/abitypes.h > > for m68k the values to change are: > > #ifdef TARGET_M68K > #define ABI_INT_ALIGNMENT 2 > #define ABI_LONG_ALIGNMENT 2 > #define ABI_LLONG_ALIGNMENT 2 > #endif Thanks, this is very valuable input! > And there will be a problem with binfmt_misc because we can't rely on > the ELF signature to know which qemu-user to run, the one with 2byte > alignment or the one with 4byte alignment? What about the ELF note [1] that David Brownlee suggested? Can these be used? Adrian > [1] https://www.netbsd.org/docs/kernel/elf-notes.html -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer `. `' Physicist `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
