diff options
Diffstat (limited to 'bfd/bfd-in2.h')
| -rw-r--r-- | bfd/bfd-in2.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h index 5c8338e..0771773 100644 --- a/bfd/bfd-in2.h +++ b/bfd/bfd-in2.h @@ -1605,8 +1605,21 @@ struct reloc_howto_struct /* The textual name of the relocation type. */ char *name; - /* When performing a partial link, some formats must modify the - relocations rather than the data - this flag signals this.*/ + /* Some formats record a relocation addend in the section contents + rather than with the relocation. For ELF formats this is the + distinction between USE_REL and USE_RELA (though the code checks + for USE_REL == 1/0). The value of this field is TRUE if the + addend is recorded with the section contents; when performing a + partial link (ld -r) the section contents (the data) will be + modified. The value of this field is FALSE if addends are + recorded with the relocation (in arelent.addend); when performing + a partial link the relocation will be modified. + All relocations for all ELF USE_RELA targets should set this field + to FALSE (values of TRUE should be looked on with suspicion). + However, the converse is not true: not all relocations of all ELF + USE_REL targets set this field to TRUE. Why this is so is peculiar + to each particular target. For relocs that aren't used in partial + links (e.g. GOT stuff) it doesn't matter what this is set to. */ boolean partial_inplace; /* The src_mask selects which parts of the read in data |