From 4bccc875d2ba5cf8f8484ae2aa83d0f1b7115f74 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Sun, 29 Nov 2020 11:36:13 -0800 Subject: 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. --- gold/ChangeLog | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'gold/ChangeLog') 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 + 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 + PR gold/26939 * x86_64.cc (Target_x86_64::Scan::local): Check get_r_addend() == -4 for GOTPCRELX conversion. -- cgit v1.1