[Buildroot] [PATCH 2/9] package/binutils: add upstream backported patches to support -mcmodel=large gcc option

[Romain Naour]

Hi Giulio, All,

Le 03/05/2021 à 13:13, Giulio Benetti a écrit :
> Add upstream backported patches that allows using -mcmodel=large gcc option
> that in order allows fixing build failure due to binutils bug 21464:
> https://sourceware.org/bugzilla/show_bug.cgi?id=21464
> 
> Signed-off-by: Giulio Benetti <giulio.benetti at benettiengineering.com>
> ---
>  ...elocation-R_OR1K_GOT_AHI16-for-gotha.patch | 256 +++++++++
>  ...K_GOT16-overflow-failures-in-presenc.patch |  61 +++
>  ...ge-plt_relocs-when-generating-plt-en.patch | 500 ++++++++++++++++++
>  ...elocation-R_OR1K_GOT_AHI16-for-gotha.patch | 256 +++++++++
>  ...K_GOT16-overflow-failures-in-presenc.patch |  61 +++
>  ...ge-plt_relocs-when-generating-plt-en.patch | 500 ++++++++++++++++++
>  ...elocation-R_OR1K_GOT_AHI16-for-gotha.patch | 256 +++++++++
>  ...K_GOT16-overflow-failures-in-presenc.patch |  61 +++
>  ...ge-plt_relocs-when-generating-plt-en.patch | 500 ++++++++++++++++++
>  ...elocation-R_OR1K_GOT_AHI16-for-gotha.patch | 256 +++++++++
>  ...K_GOT16-overflow-failures-in-presenc.patch |  61 +++
>  ...ge-plt_relocs-when-generating-plt-en.patch | 500 ++++++++++++++++++
>  12 files changed, 3268 insertions(+)
>  create mode 100644 package/binutils/2.32/0011-or1k-Implement-relocation-R_OR1K_GOT_AHI16-for-gotha.patch
>  create mode 100644 package/binutils/2.32/0012-or1k-Avoid-R_OR1K_GOT16-overflow-failures-in-presenc.patch
>  create mode 100644 package/binutils/2.32/0013-or1k-Support-large-plt_relocs-when-generating-plt-en.patch
>  create mode 100644 package/binutils/2.34/0004-or1k-Implement-relocation-R_OR1K_GOT_AHI16-for-gotha.patch
>  create mode 100644 package/binutils/2.34/0005-or1k-Avoid-R_OR1K_GOT16-overflow-failures-in-presenc.patch
>  create mode 100644 package/binutils/2.34/0006-or1k-Support-large-plt_relocs-when-generating-plt-en.patch
>  create mode 100644 package/binutils/2.35.2/0004-or1k-Implement-relocation-R_OR1K_GOT_AHI16-for-gotha.patch
>  create mode 100644 package/binutils/2.35.2/0005-or1k-Avoid-R_OR1K_GOT16-overflow-failures-in-presenc.patch
>  create mode 100644 package/binutils/2.35.2/0006-or1k-Support-large-plt_relocs-when-generating-plt-en.patch
>  create mode 100644 package/binutils/2.36.1/0004-or1k-Implement-relocation-R_OR1K_GOT_AHI16-for-gotha.patch
>  create mode 100644 package/binutils/2.36.1/0005-or1k-Avoid-R_OR1K_GOT16-overflow-failures-in-presenc.patch
>  create mode 100644 package/binutils/2.36.1/0006-or1k-Support-large-plt_relocs-when-generating-plt-en.patch
> 

> +   unsigned nodelay = elf_elfheader (output_bfd)->e_flags & EF_OR1K_NODELAY;
> +-  unsigned insn4;
> ++  unsigned output_insns[PLT_MAX_INSN_COUNT];
> ++
> ++  /* Copy instructions into the output buffer.  */
> ++  for (size_t i = 0; i < insn_count; i++)
> ++    output_insns[i] = insns[i];
> + 

This syntax break with good old compilers :)

elf32-or1k.c:2251:3: error: 'for' loop initial declarations are only allowed in
C99 or C11 mode
   for (size_t i = 0; i < insn_count; i++)
   ^

See:
https://gitlab.com/bootlin/toolchains-builder/-/jobs/1325646298

Best regards,
Romain