On 02/02/24 at 11:01am, Coiby Xu wrote: > Hi, > > FYI, before this patch, Michel already sent "[PATCH] Fix building on x86_64 > with binutils 2.41" to address the same issue. Currently I almost know > nothing about > assembly but Michel's patch seems to be more complete because two more > files are touched.
Thanks for telling, I didn't notice that one. I didn't know these either, leave them to Sergei and Michel to decide what is the appropriate solution. > > On Wed, Jan 31, 2024 at 07:04:57PM +0800, Baoquan He wrote: > > On 01/31/24 at 10:05am, Sergei Trofimovich wrote: > > > `binutils-2.42` introduced stricter checks on what `.arch` can be used > > > in 64-bit mode and started failing the build as: > > > > > > $ as-2.42 --64 -o entry32-16-debug.o entry32-16-debug.s > > > purgatory/arch/i386/entry32-16-debug.S: Assembler messages: > > > purgatory/arch/i386/entry32-16-debug.S:28: Error: 64bit mode not > > > supported on `i386'. > > > > > > The change moves `.code32` before `.arch 386` as suggested in > > > https://sourceware.org/PR31319 > > > > I am not familiar with the gas behaviour, the fix sounds good from > > discussion in above link. > > > > Reviewed-by: Baoquan He <[email protected]> > > > > > > > > Signed-off-by: Sergei Trofimovich <[email protected]> > > > --- > > > purgatory/arch/i386/entry32-16-debug.S | 2 +- > > > purgatory/arch/i386/entry32-16.S | 2 +- > > > 2 files changed, 2 insertions(+), 2 deletions(-) > > > > > > diff --git a/purgatory/arch/i386/entry32-16-debug.S > > > b/purgatory/arch/i386/entry32-16-debug.S > > > index 5167944..297d6f5 100644 > > > --- a/purgatory/arch/i386/entry32-16-debug.S > > > +++ b/purgatory/arch/i386/entry32-16-debug.S > > > @@ -25,10 +25,10 @@ > > > .globl entry16_debug_pre32 > > > .globl entry16_debug_first32 > > > .globl entry16_debug_old_first32 > > > + .code32 > > > .arch i386 > > > .balign 16 > > > entry16_debug: > > > - .code32 > > > /* Compute where I am running at (assumes esp valid) */ > > > call 1f > > > 1: popl %ebx > > > diff --git a/purgatory/arch/i386/entry32-16.S > > > b/purgatory/arch/i386/entry32-16.S > > > index c051aab..7a84565 100644 > > > --- a/purgatory/arch/i386/entry32-16.S > > > +++ b/purgatory/arch/i386/entry32-16.S > > > @@ -20,10 +20,10 @@ > > > #undef i386 > > > .text > > > .globl entry16, entry16_regs > > > + .code32 > > > .arch i386 > > > .balign 16 > > > entry16: > > > - .code32 > > > /* Compute where I am running at (assumes esp valid) */ > > > call 1f > > > 1: popl %ebx > > > -- > > > 2.43.0 > > > > > > > -- > Best regards, > Coiby > _______________________________________________ kexec mailing list [email protected] http://lists.infradead.org/mailman/listinfo/kexec
