diff options
| author | H.J. Lu <hjl.tools@gmail.com> | 2020-11-29 11:36:13 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2020-11-29 11:41:47 -0800 |
| commit | 4bccc875d2ba5cf8f8484ae2aa83d0f1b7115f74 (patch) | |
| tree | 53bdefbbbd3d68e7eb1feb8275edfc9e7562cea1 /gold/ChangeLog | |
| parent | 9f1212394fa283e2748a83be8bca240710e696ca (diff) | |
| download | gdb-4bccc875d2ba5cf8f8484ae2aa83d0f1b7115f74.zip gdb-4bccc875d2ba5cf8f8484ae2aa83d0f1b7115f74.tar.gz gdb-4bccc875d2ba5cf8f8484ae2aa83d0f1b7115f74.tar.bz2 | |
gold: Add endbr64 to IBT TLSDESC PLT entry
Gold generates:
c10: ff 35 da 23 00 00 push 0x23da(%rip) # 2ff0 <_GLOBAL_OFFSET_TABLE_+0x8>
c16: f2 ff 25 c3 23 00 00 bnd jmp *0x23c3(%rip) # 2fe0 <_DYNAMIC+0x260>
c1d: 0f 1f 00 nopl (%rax)
for IBT TLSDESC PLT entry which misses endbr64. Add endbr64 to generate:
c10: f3 0f 1e fa endbr64
c14: ff 35 d6 23 00 00 push 0x23d6(%rip) # 2ff0 <_GLOBAL_OFFSET_TABLE_+0x8>
c1a: ff 25 c0 23 00 00 jmp *0x23c0(%rip) # 2fe0 <_DYNAMIC+0x260>
PR ld/26972
* x86_64.cc (Output_data_plt_x86_64_ibt::tlsdesc_plt_entry): Add
endbr64.
(Output_data_plt_x86_64_ibt::do_fill_tlsdesc_entry): Adjusted.
Diffstat (limited to 'gold/ChangeLog')
| -rw-r--r-- | gold/ChangeLog | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gold/ChangeLog b/gold/ChangeLog index 53bb030..a03163e 100644 --- a/gold/ChangeLog +++ b/gold/ChangeLog @@ -1,5 +1,12 @@ 2020-11-29 H.J. Lu <hongjiu.lu@intel.com> + PR ld/26972 + * x86_64.cc (Output_data_plt_x86_64_ibt::tlsdesc_plt_entry): Add + endbr64. + (Output_data_plt_x86_64_ibt::do_fill_tlsdesc_entry): Adjusted. + +2020-11-29 H.J. Lu <hongjiu.lu@intel.com> + PR gold/26939 * x86_64.cc (Target_x86_64<size>::Scan::local): Check get_r_addend() == -4 for GOTPCRELX conversion. |