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LoongArch: ld:Report an error when seeing an unrecognized relocation

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If we generate an object file using an assembler with the new
relocations added, and then linking those files with an older
linker, the link will still complete and the linked file will
be generated.
In this case we should report an error instead of continuing
the linking process.

(cherry picked from commit 5966e2eb3f)
This commit is contained in:
Lulu Cai 2024-03-21 15:16:05 +08:00 committed by liuzhensong
parent c3817e092d
commit 060bfd9081
1 changed files with 7 additions and 2 deletions
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9
bfd/elfnn-loongarch.c
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@ -2304,9 +2304,14 @@ loongarch_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
bfd_vma relocation, off, ie_off;
int i, j;
/* When an unrecognized relocation is encountered, which usually
occurs when using a newer assembler but an older linker, an error
should be reported instead of continuing to the next relocation. */
howto = loongarch_elf_rtype_to_howto (input_bfd, r_type);
if (howto == NULL || r_type == R_LARCH_GNU_VTINHERIT
|| r_type == R_LARCH_GNU_VTENTRY)
if (howto == NULL)
return _bfd_unrecognized_reloc (input_bfd, input_section, r_type);
if (r_type == R_LARCH_GNU_VTINHERIT || r_type == R_LARCH_GNU_VTENTRY)
continue;
/* This is a final link. */