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authorNick Clifton <nickc@redhat.com>2022-03-01 09:51:59 +0000
committerNick Clifton <nickc@redhat.com>2022-03-01 09:51:59 +0000
commit81c9e0f6c48748f4b66fc3b13e12eb68735cf1f9 (patch)
tree89ce36891551616a96c358b5b5014466549e739c /bfd/elf32-arm.c
parent1dbf27133db434d1fb3e8e8bf9c3e402cc23a293 (diff)
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Prevent an assertion from being triggered when linking an ARM object file with incorrectly set build attributes.
PR 28848 PR 28859 * elf32-arm.c (elf32_arm_merge_eabi_attributes): If the first input bfd has a Tag_ABI_HardFP_use set to 3 but does not also have TAG_FP_arch set then reset the TAG_ABI_HardFP_use.
Diffstat (limited to 'bfd/elf32-arm.c')
-rw-r--r--bfd/elf32-arm.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index 86da60e..616efe6 100644
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -14523,6 +14523,14 @@ elf32_arm_merge_eabi_attributes (bfd *ibfd, struct bfd_link_info *info)
out_attr[Tag_MPextension_use_legacy].i = 0;
}
+ /* PR 28859 and 28848: Handle the case where the first input file,
+ eg crti.o, has a Tag_ABI_HardFP_use of 3 but no Tag_FP_arch set.
+ Using Tag_ABI_HardFP_use in this way is deprecated, so reset the
+ attribute to zero.
+ FIXME: Should we handle other non-zero values of Tag_ABI_HardFO_use ? */
+ if (out_attr[Tag_ABI_HardFP_use].i == 3 && out_attr[Tag_FP_arch].i == 0)
+ out_attr[Tag_ABI_HardFP_use].i = 0;
+
return result;
}