[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] x86/boot: fix build with certain older gcc versions
On 15/12/16 14:04, Jan Beulich wrote: > Despite all attempts so far (ending in commit fecf584294 ["Config.mk: > fix comment for debug option"] adjusting the respective comment), > Config.mk's debug= setting still affects the hypervisor build: CFLAGS > gets -g added there. > > xen/arch/x86/boot/build32.mk includes that file, and hence inherits the > setting too. Some gcc versions take -g to create an .eh_frame section > despite -fno-asynchronous-unwind-tables (which instead one would expect > to produce .debug_frame). > > In turn, commit 93c0c0287a ("x86/boot: create *.lnk files with linker > script") was - in my understanding - supposed to make sure .text is > first, but apparently it did also not really achieve that effect: Both > reloc.lnk and reloc.bin in the case here ended up with .eh_frame first, > which obviously rendered the whole final binary unusable. > > Explicitly suppress generation of any kind of debug info when building > reloc.o. > > Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx> Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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