On Mon, Sep 23, 2024 at 4:39 PM Jan Beulich <jbeul...@suse.com> wrote: > > While for our present .data.read_mostly it may be deemed tolerable that > the name is truncated to .data.re, for the planned .init.trampoline an > abbreviation to .init.tr would end up pretty meaningless. Engage the > long section names extension that GNU ld has had support for already in > 2.22 (which we consider the baseline release for xen.efi building). > > Signed-off-by: Jan Beulich <jbeul...@suse.com> > --- > Interestingly builds with debug info actually use long section names by > default, at least with recent ld. Or I'm unaware of where we control > that behavior. > > --- a/xen/arch/x86/arch.mk > +++ b/xen/arch/x86/arch.mk > @@ -91,7 +91,7 @@ XEN_BUILD_EFI := $(call if-success,$(CC) > -c $(srctree)/$(efi-check).c -o > $(efi-check).o,y) > > # Check if the linker supports PE. > -EFI_LDFLAGS := $(patsubst -m%,-mi386pep,$(LDFLAGS)) --subsystem=10 > +EFI_LDFLAGS := $(patsubst -m%,-mi386pep,$(LDFLAGS)) --subsystem=10 > --enable-long-section-names > LD_PE_check_cmd = $(call ld-option,$(EFI_LDFLAGS) --image-base=0x100000000 > -o $(efi-check).efi $(efi-check).o) > XEN_BUILD_PE := $(LD_PE_check_cmd) >
Reviewed-by: Frediano Ziglio <frediano.zig...@cloud.com> Frediano
