diff options
Diffstat (limited to 'bfd/elfxx-mips.c')
| -rw-r--r-- | bfd/elfxx-mips.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/bfd/elfxx-mips.c b/bfd/elfxx-mips.c index dafd607..d368d41 100644 --- a/bfd/elfxx-mips.c +++ b/bfd/elfxx-mips.c @@ -10960,6 +10960,112 @@ mips_32bit_flags_p (flagword flags) } +/* Merge object attributes from IBFD into OBFD. Raise an error if + there are conflicting attributes. */ +static bfd_boolean +mips_elf_merge_obj_attributes (bfd *ibfd, bfd *obfd) +{ + obj_attribute *in_attr; + obj_attribute *out_attr; + + if (!elf_known_obj_attributes_proc (obfd)[0].i) + { + /* This is the first object. Copy the attributes. */ + _bfd_elf_copy_obj_attributes (ibfd, obfd); + + /* Use the Tag_null value to indicate the attributes have been + initialized. */ + elf_known_obj_attributes_proc (obfd)[0].i = 1; + + return TRUE; + } + + /* Check for conflicting Tag_GNU_MIPS_ABI_FP attributes and merge + non-conflicting ones. */ + in_attr = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU]; + out_attr = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU]; + if (in_attr[Tag_GNU_MIPS_ABI_FP].i != out_attr[Tag_GNU_MIPS_ABI_FP].i) + { + out_attr[Tag_GNU_MIPS_ABI_FP].type = 1; + if (out_attr[Tag_GNU_MIPS_ABI_FP].i == 0) + out_attr[Tag_GNU_MIPS_ABI_FP].i = in_attr[Tag_GNU_MIPS_ABI_FP].i; + else if (in_attr[Tag_GNU_MIPS_ABI_FP].i == 0) + ; + else if (in_attr[Tag_GNU_MIPS_ABI_FP].i > 3) + _bfd_error_handler + (_("Warning: %B uses unknown floating point ABI %d"), ibfd, + in_attr[Tag_GNU_MIPS_ABI_FP].i); + else if (out_attr[Tag_GNU_MIPS_ABI_FP].i > 3) + _bfd_error_handler + (_("Warning: %B uses unknown floating point ABI %d"), obfd, + out_attr[Tag_GNU_MIPS_ABI_FP].i); + else + switch (out_attr[Tag_GNU_MIPS_ABI_FP].i) + { + case 1: + switch (in_attr[Tag_GNU_MIPS_ABI_FP].i) + { + case 2: + _bfd_error_handler + (_("Warning: %B uses -msingle-float, %B uses -mdouble-float"), + obfd, ibfd); + + case 3: + _bfd_error_handler + (_("Warning: %B uses hard float, %B uses soft float"), + obfd, ibfd); + break; + + default: + abort (); + } + break; + + case 2: + switch (in_attr[Tag_GNU_MIPS_ABI_FP].i) + { + case 1: + _bfd_error_handler + (_("Warning: %B uses -msingle-float, %B uses -mdouble-float"), + ibfd, obfd); + + case 3: + _bfd_error_handler + (_("Warning: %B uses hard float, %B uses soft float"), + obfd, ibfd); + break; + + default: + abort (); + } + break; + + case 3: + switch (in_attr[Tag_GNU_MIPS_ABI_FP].i) + { + case 1: + case 2: + _bfd_error_handler + (_("Warning: %B uses hard float, %B uses soft float"), + ibfd, obfd); + break; + + default: + abort (); + } + break; + + default: + abort (); + } + } + + /* Merge Tag_compatibility attributes and any common GNU ones. */ + _bfd_elf_merge_object_attributes (ibfd, obfd); + + return TRUE; +} + /* Merge backend specific data from an object file to the output object file when linking. */ @@ -10993,6 +11099,9 @@ _bfd_mips_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd) return FALSE; } + if (!mips_elf_merge_obj_attributes (ibfd, obfd)) + return FALSE; + new_flags = elf_elfheader (ibfd)->e_flags; elf_elfheader (obfd)->e_flags |= new_flags & EF_MIPS_NOREORDER; old_flags = elf_elfheader (obfd)->e_flags; |