[llvm] [llvm-objdump] Add support for the PT_OPENBSD_NOBTCFI segment type. (PR #67127)
Frederic Cambus via llvm-commits
llvm-commits at lists.llvm.org
Fri Sep 22 05:40:50 PDT 2023
https://github.com/fcambus created https://github.com/llvm/llvm-project/pull/67127
Reference: https://github.com/openbsd/src/blob/master/sys/sys/exec_elf.h
>From 1e9e46aa6238feb274b0efa41e707a079793e698 Mon Sep 17 00:00:00 2001
From: Frederic Cambus <fred at statdns.com>
Date: Fri, 22 Sep 2023 14:31:58 +0200
Subject: [PATCH] [llvm-objdump] Add support for the PT_OPENBSD_NOBTCFI segment
type.
Reference: https://github.com/openbsd/src/blob/master/sys/sys/exec_elf.h
---
llvm/test/tools/llvm-objdump/openbsd-headers.test | 3 +++
llvm/tools/llvm-objdump/ELFDump.cpp | 3 +++
2 files changed, 6 insertions(+)
diff --git a/llvm/test/tools/llvm-objdump/openbsd-headers.test b/llvm/test/tools/llvm-objdump/openbsd-headers.test
index 3ac902c1aaffedb..f547854feeeedfe 100644
--- a/llvm/test/tools/llvm-objdump/openbsd-headers.test
+++ b/llvm/test/tools/llvm-objdump/openbsd-headers.test
@@ -9,6 +9,8 @@
# CHECK-NEXT: filesz 0x0000000000000000 memsz 0x0000000000000000 flags ---
# CHECK-NEXT: OPENBSD_WXNEEDED off 0x0000000000000000 vaddr 0x0000000000000000 paddr 0x0000000000000000 align 2**0
# CHECK-NEXT: filesz 0x0000000000000000 memsz 0x0000000000000000 flags ---
+# CHECK-NEXT: OPENBSD_NOBTCFI off 0x0000000000000000 vaddr 0x0000000000000000 paddr 0x0000000000000000 align 2**0
+# CHECK-NEXT: filesz 0x0000000000000000 memsz 0x0000000000000000 flags ---
# CHECK-NEXT: OPENBSD_BOOTDATA off 0x0000000000000000 vaddr 0x0000000000000000 paddr 0x0000000000000000 align 2**0
# CHECK-NEXT: filesz 0x0000000000000000 memsz 0x0000000000000000 flags ---
@@ -22,4 +24,5 @@ ProgramHeaders:
- Type: 0x65a3dbe5 ## PT_OPENBSD_MUTABLE
- Type: 0x65a3dbe6 ## PT_OPENBSD_RANDOMIZE
- Type: 0x65a3dbe7 ## PT_OPENBSD_WXNEEDED
+ - Type: 0x65a3dbe8 ## PT_OPENBSD_NOBTCFI
- Type: 0x65a41be6 ## PT_OPENBSD_BOOTDATA
diff --git a/llvm/tools/llvm-objdump/ELFDump.cpp b/llvm/tools/llvm-objdump/ELFDump.cpp
index 0920bb3cde50a4a..299a7e3cf3fa523 100644
--- a/llvm/tools/llvm-objdump/ELFDump.cpp
+++ b/llvm/tools/llvm-objdump/ELFDump.cpp
@@ -283,6 +283,9 @@ template <class ELFT> void ELFDumper<ELFT>::printProgramHeaders() {
case ELF::PT_OPENBSD_MUTABLE:
outs() << "OPENBSD_MUTABLE ";
break;
+ case ELF::PT_OPENBSD_NOBTCFI:
+ outs() << "OPENBSD_NOBTCFI ";
+ break;
case ELF::PT_OPENBSD_RANDOMIZE:
outs() << "OPENBSD_RANDOMIZE ";
break;
More information about the llvm-commits
mailing list