Em Mon, Jan 30, 2023 at 10:37:56PM +0000, Alan Maguire escreveu:
> On 30/01/2023 20:23, Arnaldo Carvalho de Melo wrote:
> > Em Mon, Jan 30, 2023 at 05:10:51PM -0300, Arnaldo Carvalho de Melo escreveu:
> >> +++ b/dwarves.h
> >> @@ -262,6 +262,7 @@ struct cu {
> >> uint8_t has_addr_info:1;
> >> uint8_t uses_global_strings:1;
> >> uint8_t little_endian:1;
> >> + uint8_t nr_register_params;
> >> uint16_t language;
> >> unsigned long nr_inline_expansions;
> >> size_t size_inline_expansions;
> >
> Thanks for this, never thought of cross-builds to be honest!
> Tested just now on x86_64 and aarch64 at my end, just ran
> into one small thing on one system; turns out EM_RISCV isn't
> defined if using a very old elf.h; below works around this
> (dwarves otherwise builds fine on this system).
Ok, will add it and will test with containers for older distros too.
- Arnaldo
> diff --git a/dwarf_loader.c b/dwarf_loader.c
> index dba2d37..47a3bc2 100644
> --- a/dwarf_loader.c
> +++ b/dwarf_loader.c
> @@ -992,6 +992,11 @@ static struct class_member *class_member__new(Dwarf_Die *die, struct cu *c
> return member;
> }
>
> +/* for older elf.h */
> +#ifndef EM_RISCV
> +#define EM_RISCV 243
> +#endif
> +
> /* How many function parameters are passed via registers? Used below in
> * determining if an argument has been optimized out or if it is simply
> * an argument > cu__nr_register_params(). Making cu__nr_register_params()
--
- Arnaldo
