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| author | H.J. Lu <hjl.tools@gmail.com> | 2016-02-18 03:13:19 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2016-02-18 03:13:51 -0800 |
| commit | bf89386a862ace008f0152bca8bddf996d3993c8 (patch) | |
| tree | d8e06697989cb979af0263ddaef268a4b79d5137 /bfd | |
| parent | 06ea285dcbfb67189e46bee7f4f7c9b4140fc681 (diff) | |
| download | gdb-bf89386a862ace008f0152bca8bddf996d3993c8.zip gdb-bf89386a862ace008f0152bca8bddf996d3993c8.tar.gz gdb-bf89386a862ace008f0152bca8bddf996d3993c8.tar.bz2 | |
Always create dynamic sections for -E/--dynamic-list
In embedded environments, including boot loaders, the non-PIC executable
needs to export its symbols to modules loaded in the future. We should
always create dynamic sections for -E/--dynamic-list.
bfd/
PR ld/19617
* elflink.c (elf_link_add_object_symbols): Always create dynamic
sections for -E/--dynamic-list.
ld/
PR ld/19617
* testsuite/ld-elf/pr19617.s: New file.
* testsuite/ld-elf/pr19617a.d: Likewise.
* testsuite/ld-elf/pr19617b.d: Likewise.
* testsuite/ld-elf/pr19617c.d: Likewise.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 6 | ||||
| -rw-r--r-- | bfd/elflink.c | 7 |
2 files changed, 11 insertions, 2 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index b5e5788..1c9e201 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +2016-02-18 H.J. Lu <hongjiu.lu@intel.com> + + PR ld/19617 + * elflink.c (elf_link_add_object_symbols): Always create dynamic + sections for -E/--dynamic-list. + 2016-02-17 H.J. Lu <hongjiu.lu@intel.com> * elf64-x86-64.c (elf_backend_omit_section_dynsym): New. Defined diff --git a/bfd/elflink.c b/bfd/elflink.c index ac03ce5..c7672ed 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -3598,11 +3598,14 @@ elf_link_add_object_symbols (bfd *abfd, struct bfd_link_info *info) /* If we are creating a shared library, create all the dynamic sections immediately. We need to attach them to something, so we attach them to this BFD, provided it is the right - format and is not from ld --just-symbols. FIXME: If there + format and is not from ld --just-symbols. Always create the + dynamic sections for -E/--dynamic-list. FIXME: If there are no input BFD's of the same format as the output, we can't make a shared library. */ if (!just_syms - && bfd_link_pic (info) + && (bfd_link_pic (info) + || info->export_dynamic + || info->dynamic) && is_elf_hash_table (htab) && info->output_bfd->xvec == abfd->xvec && !htab->dynamic_sections_created) |