diff options
Diffstat (limited to 'bfd/elf32-ppc.c')
| -rw-r--r-- | bfd/elf32-ppc.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c index 1d9cabd..83a9274 100644 --- a/bfd/elf32-ppc.c +++ b/bfd/elf32-ppc.c @@ -3964,6 +3964,33 @@ ppc_elf_merge_obj_attributes (bfd *ibfd, bfd *obfd) ibfd, obfd, in_abi, out_abi); } + /* Check for conflicting Tag_GNU_Power_ABI_Struct_Return attributes + and merge non-conflicting ones. */ + in_attr = &in_attrs[Tag_GNU_Power_ABI_Struct_Return]; + out_attr = &out_attrs[Tag_GNU_Power_ABI_Struct_Return]; + if (in_attr->i != out_attr->i) + { + out_attr->type = 1; + if (out_attr->i == 0) + out_attr->i = in_attr->i; + else if (in_attr->i == 0) + ; + else if (out_attr->i == 1 && in_attr->i == 2) + _bfd_error_handler + (_("Warning: %B uses r3/r4 for small structure returns, %B uses memory"), obfd, ibfd); + else if (out_attr->i == 2 && in_attr->i == 1) + _bfd_error_handler + (_("Warning: %B uses r3/r4 for small structure returns, %B uses memory"), ibfd, obfd); + else if (in_attr->i > 2) + _bfd_error_handler + (_("Warning: %B uses unknown small structure return convention %d"), ibfd, + in_attr->i); + else + _bfd_error_handler + (_("Warning: %B uses unknown small structure return convention %d"), obfd, + out_attr->i); + } + /* Merge Tag_compatibility attributes and any common GNU ones. */ _bfd_elf_merge_object_attributes (ibfd, obfd); |