diff options
Diffstat (limited to 'bfd/elfxx-x86.c')
| -rw-r--r-- | bfd/elfxx-x86.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/bfd/elfxx-x86.c b/bfd/elfxx-x86.c index 05f5c6a..40aac66 100644 --- a/bfd/elfxx-x86.c +++ b/bfd/elfxx-x86.c @@ -1275,6 +1275,14 @@ _bfd_x86_elf_size_dynamic_sections (bfd *output_bfd, if ((s->flags & SEC_HAS_CONTENTS) == 0) continue; + /* NB: Initially, the iplt section has minimal alignment to + avoid moving dot of the following section backwards when + it is empty. Update its section alignment now since it + is non-empty. */ + if (s == htab->elf.iplt) + bfd_set_section_alignment (s->owner, s, + htab->plt.iplt_alignment); + /* Allocate memory for the section contents. We use bfd_zalloc here in case unused entries are not reclaimed before the section's contents are written out. This should not happen, @@ -2907,15 +2915,23 @@ error_alignment: } } - if (normal_target) + /* The .iplt section is used for IFUNC symbols in static + executables. */ + sec = htab->elf.iplt; + if (sec != NULL) { - /* The .iplt section is used for IFUNC symbols in static - executables. */ - sec = htab->elf.iplt; - if (sec != NULL - && !bfd_set_section_alignment (sec->owner, sec, - plt_alignment)) + /* NB: Delay setting its alignment until we know it is non-empty. + Otherwise an empty iplt section may change vma and lma of the + following sections, which triggers moving dot of the following + section backwards, resulting in a warning and section lma not + being set properly. It later leads to a "File truncated" + error. */ + if (!bfd_set_section_alignment (sec->owner, sec, 0)) goto error_alignment; + + htab->plt.iplt_alignment = (normal_target + ? plt_alignment + : bed->plt_alignment); } return pbfd; |