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| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2023-04-25 04:10:22 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2023-04-25 04:10:22 +0000 |
| commit | a58a77924dc8efd15764126514e29d1ff5138528 (patch) | |
| tree | 5920d88f95ad9f8e8f2f5f1cb5c353f2263532b5 | |
| parent | 5ef0eb0e8930de9dca8549bdeb03480e57ca3320 (diff) | |
Add missing endbr64 instructions as required. Verified as neccessary with
a fully IBT userland operational..
| -rw-r--r-- | lib/csu/amd64/md_init.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/csu/amd64/md_init.h b/lib/csu/amd64/md_init.h index 329c2d35950..948e7c928bb 100644 --- a/lib/csu/amd64/md_init.h +++ b/lib/csu/amd64/md_init.h @@ -1,4 +1,4 @@ -/* $OpenBSD: md_init.h,v 1.9 2023/04/25 04:06:06 deraadt Exp $ */ +/* $OpenBSD: md_init.h,v 1.10 2023/04/25 04:10:21 deraadt Exp $ */ /*- * Copyright (c) 2001 Ross Harvey @@ -45,6 +45,7 @@ " .type " #entry_pt ",@function \n" \ " .align 16 \n" \ #entry_pt": \n" \ + " endbr64 \n" \ " subq $8,%rsp \n" \ " .previous") @@ -65,6 +66,7 @@ " .globl _start \n" \ "_start: \n" \ "__start: \n" \ + " endbr64 \n" \ " movq %rdx,%rcx \n" \ " movq (%rsp),%rdi \n" \ " leaq 16(%rsp,%rdi,8),%rdx \n" \ @@ -83,6 +85,7 @@ " .type __start,@function \n" \ "_start: \n" \ "__start: \n" \ + " endbr64 \n" \ " movq %rsp, %r12 \n" \ " subq $8, %rsp \n" \ " andq $~15, %rsp \n" \ @@ -108,6 +111,7 @@ " .type _dl_exit,@function \n" \ " .align 8 \n" \ "_dl_exit: \n" \ + " endbr64 \n" \ " movl $ " STR(SYS_exit) ", %eax \n" \ " syscall \n" \ " int3 \n" \ |