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Always use --eh-frame-hdr on FreeBSD, even for -static 

FreeBSD uses LLVM's libunwind on FreeBSD/arm64 today (and is expected to
use it more widely in the future), and it requires the EH frame segment
in static binaries.

This is the same as r203742 for NetBSD.

Differential Revision:	http://reviews.llvm.org/D19029

llvm-svn: 266123
This commit is contained in:
Ed Maste 2016-04-12 21:11:46 +00:00
parent d5c75eed44
commit 1bc232d342
2 changed files with 2 additions and 1 deletions
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2
clang/lib/Driver/Tools.cpp
View File

@ -8197,12 +8197,12 @@ void freebsd::Linker::ConstructJob(Compilation &C, const JobAction &JA,
if (IsPIE)
CmdArgs.push_back("-pie");
CmdArgs.push_back("--eh-frame-hdr");
if (Args.hasArg(options::OPT_static)) {
CmdArgs.push_back("-Bstatic");
} else {
if (Args.hasArg(options::OPT_rdynamic))
CmdArgs.push_back("-export-dynamic");
CmdArgs.push_back("--eh-frame-hdr");
if (Args.hasArg(options::OPT_shared)) {
CmdArgs.push_back("-Bshareable");
} else {

1
clang/test/Driver/freebsd.c
View File

@ -82,6 +82,7 @@
// RUN: %clang -no-canonical-prefixes -target x86_64-pc-freebsd8 -static %s \
// RUN: --sysroot=%S/Inputs/multiarch_freebsd64_tree -### 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-STATIC %s
// CHECK-STATIC: ld{{.*}}" "--eh-frame-hdr" "-Bstatic"
// CHECK-STATIC: crt1.o
// CHECK-STATIC: crtbeginT.o