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| author | Vivek Das Mohapatra <vivek@collabora.com> | 2020-12-14 17:25:51 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2020-12-15 18:44:56 +1030 |
| commit | 6a0a0dd0cc43765d8e5e277aeaaf169a863f2315 (patch) | |
| tree | 776cc1a93737ca13d34c6f6c0c906134c7ddd46f /ld | |
| parent | ee0688c2339deba4bca7d57a96001183aa06a765 (diff) | |
| download | gdb-6a0a0dd0cc43765d8e5e277aeaaf169a863f2315.zip gdb-6a0a0dd0cc43765d8e5e277aeaaf169a863f2315.tar.gz gdb-6a0a0dd0cc43765d8e5e277aeaaf169a863f2315.tar.bz2 | |
Handle -z unique/-z nounique in ld
Add (or suppress) a DT_GNU_FLAGS_1 dynamic section
with a bit flag value of DF_GNU_1_UNIQUE.
bfd/
* elflink.c (bfd_elf_size_dynamic_sections): Call
_bfd_elf_add_dynamic_entry to add a DT_GNU_FLAGS_1 section.
include/
* bfdlink.h (struct bfd_link_info): New field gnu_flags_1.
ld/
* emultempl/elf.em (gld${EMULATION_NAME}_handle_option):
Parse -z unique / -z nounique options.
Diffstat (limited to 'ld')
| -rw-r--r-- | ld/ChangeLog | 5 | ||||
| -rw-r--r-- | ld/emultempl/elf.em | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog index b649e68..3db7fc6 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,8 @@ +2020-12-15 Vivek Das Mohapatra <vivek@collabora.com> + + * emultempl/elf.em (gld${EMULATION_NAME}_handle_option): + Parse -z unique / -z nounique options. + 2020-12-14 Howard Chu <hyc@symas.com> * libdep_plugin.c: New file: Processes archives that contain a diff --git a/ld/emultempl/elf.em b/ld/emultempl/elf.em index cfdf60e..aa40c78 100644 --- a/ld/emultempl/elf.em +++ b/ld/emultempl/elf.em @@ -809,6 +809,10 @@ fragment <<EOF link_info.flags |= (bfd_vma) DF_ORIGIN; link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN; } + else if (strcmp (optarg, "unique") == 0) + link_info.gnu_flags_1 |= (bfd_vma) DF_GNU_1_UNIQUE; + else if (strcmp (optarg, "nounique") == 0) + link_info.gnu_flags_1 &= ~(bfd_vma) DF_GNU_1_UNIQUE; else if (strcmp (optarg, "combreloc") == 0) link_info.combreloc = TRUE; else if (strcmp (optarg, "nocombreloc") == 0) |