diff options
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 5 | ||||
| -rw-r--r-- | bfd/elf32-m68k.c | 62 |
2 files changed, 67 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 2d9f1ec..7b6375a 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,8 @@ +2020-06-26 Pat Bernardi <bernardi@adacore.com> + + * elf32-m68k.c (m68k_elf_merge_obj_attributes): New function. + (elf32_m68k_merge_private_bfd_data): Merge GNU attributes. + 2020-06-26 Alan Modra <amodra@gmail.com> * elfxx-riscv.c (struct priv_spec_t, priv_specs), diff --git a/bfd/elf32-m68k.c b/bfd/elf32-m68k.c index 39c5e1c..7ccdaab 100644 --- a/bfd/elf32-m68k.c +++ b/bfd/elf32-m68k.c @@ -1122,6 +1122,65 @@ elf32_m68k_set_private_flags (bfd *abfd, flagword flags) return TRUE; } +/* Merge object attributes from IBFD into OBFD. Warn if + there are conflicting attributes. */ +static bfd_boolean +m68k_elf_merge_obj_attributes (bfd *ibfd, struct bfd_link_info *info) +{ + bfd *obfd = info->output_bfd; + obj_attribute *in_attr, *in_attrs; + obj_attribute *out_attr, *out_attrs; + bfd_boolean ret = TRUE; + + in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU]; + out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU]; + + in_attr = &in_attrs[Tag_GNU_M68K_ABI_FP]; + out_attr = &out_attrs[Tag_GNU_M68K_ABI_FP]; + + if (in_attr->i != out_attr->i) + { + int in_fp = in_attr->i & 3; + int out_fp = out_attr->i & 3; + static bfd *last_fp; + + if (in_fp == 0) + ; + else if (out_fp == 0) + { + out_attr->type = ATTR_TYPE_FLAG_INT_VAL; + out_attr->i ^= in_fp; + last_fp = ibfd; + } + else if (out_fp == 1 && in_fp == 2) + { + _bfd_error_handler + /* xgettext:c-format */ + (_("%pB uses hard float, %pB uses soft float"), + last_fp, ibfd); + ret = FALSE; + } + else if (out_fp == 2 && in_fp == 1) + { + _bfd_error_handler + /* xgettext:c-format */ + (_("%pB uses hard float, %pB uses soft float"), + ibfd, last_fp); + ret = FALSE; + } + } + + if (!ret) + { + out_attr->type = ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_ERROR; + bfd_set_error (bfd_error_bad_value); + return FALSE; + } + + /* Merge Tag_compatibility attributes and any common GNU ones. */ + return _bfd_elf_merge_object_attributes (ibfd, info); +} + /* Merge backend specific data from an object file to the output object file when linking. */ static bfd_boolean @@ -1149,6 +1208,9 @@ elf32_m68k_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info) bfd_set_arch_mach (obfd, bfd_arch_m68k, arch_info->mach); + if (!m68k_elf_merge_obj_attributes (ibfd, info)) + return FALSE; + in_flags = elf_elfheader (ibfd)->e_flags; if (!elf_flags_init (obfd)) { |