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Diffstat (limited to 'bfd/elflink.c')
-rw-r--r--bfd/elflink.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/bfd/elflink.c b/bfd/elflink.c
index 1b447bb..f0ca33f 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -8547,7 +8547,8 @@ static bfd_boolean
elf_link_adjust_relocs (bfd *abfd,
asection *sec,
struct bfd_elf_section_reloc_data *reldata,
- bfd_boolean sort)
+ bfd_boolean sort,
+ struct bfd_link_info *info)
{
unsigned int i;
const struct elf_backend_data *bed = get_elf_backend_data (abfd);
@@ -8595,6 +8596,20 @@ elf_link_adjust_relocs (bfd *abfd,
if (*rel_hash == NULL)
continue;
+ if ((*rel_hash)->indx == -2
+ && info->gc_sections
+ && ! info->gc_keep_exported)
+ {
+ /* PR 21524: Let the user know if a symbol was removed by garbage collection. */
+ _bfd_error_handler (_("%B:%A: error: relocation references symbol %s which was removed by garbage collection."),
+ abfd, sec,
+ (*rel_hash)->root.root.string);
+ _bfd_error_handler (_("%B:%A: error: try relinking with --gc-keep-exported enabled."),
+ abfd, sec,
+ (*rel_hash)->root.root.string);
+ bfd_set_error (bfd_error_invalid_operation);
+ return FALSE;
+ }
BFD_ASSERT ((*rel_hash)->indx >= 0);
(*swap_in) (abfd, erela, irela);
@@ -10701,7 +10716,6 @@ elf_link_input_bfd (struct elf_final_link_info *flinfo, bfd *input_bfd)
used by a reloc. */
BFD_ASSERT (rh->indx < 0);
rh->indx = -2;
-
*rel_hash = rh;
continue;
@@ -12168,15 +12182,16 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info)
{
struct bfd_elf_section_data *esdo = elf_section_data (o);
bfd_boolean sort;
+
if ((o->flags & SEC_RELOC) == 0)
continue;
sort = bed->sort_relocs_p == NULL || (*bed->sort_relocs_p) (o);
if (esdo->rel.hdr != NULL
- && !elf_link_adjust_relocs (abfd, o, &esdo->rel, sort))
+ && !elf_link_adjust_relocs (abfd, o, &esdo->rel, sort, info))
return FALSE;
if (esdo->rela.hdr != NULL
- && !elf_link_adjust_relocs (abfd, o, &esdo->rela, sort))
+ && !elf_link_adjust_relocs (abfd, o, &esdo->rela, sort, info))
return FALSE;
/* Set the reloc_count field to 0 to prevent write_relocs from