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| author | Jiong Wang <jiong.wang@arm.com> | 2016-03-07 15:40:50 +0000 |
|---|---|---|
| committer | Jiong Wang <jiong.wang@arm.com> | 2016-03-07 15:40:50 +0000 |
| commit | 18f822a08fd5cb8fed8b0b318e7945545c255081 (patch) | |
| tree | 8a6ee313b3871291eaf8a34d79bd94ae75deac68 /bfd/elfnn-aarch64.c | |
| parent | f86f586366275bbb5ae77520eb990769f05a3030 (diff) | |
| download | gdb-18f822a08fd5cb8fed8b0b318e7945545c255081.zip gdb-18f822a08fd5cb8fed8b0b318e7945545c255081.tar.gz gdb-18f822a08fd5cb8fed8b0b318e7945545c255081.tar.bz2 | |
[AArch64] Create .got section if _GLOBAL_OFFSET_TABLE_ referenced
2016-03-07 Jiong Wang <jiong.wang@arm.com>
bfd/
* elfnn-aarch64.c (elfNN_aarch64_check_relocs): Always create .got section
if the symbol "_GLOBAL_OFFSET_TABLE_" referenced.
ld/
* testsuite/ld-aarch64/implicit_got_section_1.s: New test source file.
* testsuite/ld-aarch64/implicit_got_section_1.d: New test expected result.
* testsuite/ld-aarch64/aarch64-elf.exp: Run new test.
Diffstat (limited to 'bfd/elfnn-aarch64.c')
| -rw-r--r-- | bfd/elfnn-aarch64.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c index 599b5f8..d14b734 100644 --- a/bfd/elfnn-aarch64.c +++ b/bfd/elfnn-aarch64.c @@ -7080,6 +7080,22 @@ elfNN_aarch64_check_relocs (bfd *abfd, struct bfd_link_info *info, if (h != NULL) { + /* If a relocation refers to _GLOBAL_OFFSET_TABLE_, create the .got. + This shows up in particular in an R_AARCH64_PREL64 in large model + when calculating the pc-relative address to .got section which is + used to initialize the gp register. */ + if (h->root.root.string + && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) + { + if (htab->root.dynobj == NULL) + htab->root.dynobj = abfd; + + if (! aarch64_elf_create_got_section (htab->root.dynobj, info)) + return FALSE; + + BFD_ASSERT (h == htab->root.hgot); + } + /* Create the ifunc sections for static executables. If we never see an indirect function symbol nor we are building a static executable, those sections will be empty and |