From e1f6dc59cefea03e5430e8d080195c58c595db7a Mon Sep 17 00:00:00 2001 From: Oliver Stannard Date: Mon, 19 Sep 2016 09:21:45 +0000 Subject: [PATCH] [Thumb] Set correct initial mapping symbol for big-endian thumb The initial mapping symbol state is set from the triple, but we only checked for the little-endian thumb triple, so could end up with an ARM mapping symbol for big-endian thumb. Differential Revision: https://reviews.llvm.org/D24553 llvm-svn: 281894 --- llvm/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp | 3 ++- llvm/test/MC/ARM/mapping-initial.s | 9 +++++++++ 2 files changed, 11 insertions(+), 1 deletion(-) create mode 100644 llvm/test/MC/ARM/mapping-initial.s diff --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp b/llvm/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp index afb089a..9e24d1e 100644 --- a/llvm/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp +++ b/llvm/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp @@ -204,7 +204,8 @@ static MCStreamer *createELFStreamer(const Triple &T, MCContext &Ctx, MCAsmBackend &MAB, raw_pwrite_stream &OS, MCCodeEmitter *Emitter, bool RelaxAll) { return createARMELFStreamer(Ctx, MAB, OS, Emitter, false, - T.getArch() == Triple::thumb); + (T.getArch() == Triple::thumb || + T.getArch() == Triple::thumbeb)); } static MCStreamer *createARMMachOStreamer(MCContext &Ctx, MCAsmBackend &MAB, diff --git a/llvm/test/MC/ARM/mapping-initial.s b/llvm/test/MC/ARM/mapping-initial.s new file mode 100644 index 0000000..d4197a6 --- /dev/null +++ b/llvm/test/MC/ARM/mapping-initial.s @@ -0,0 +1,9 @@ +@ RUN: llvm-mc -triple=armv7a-none-eabi -filetype=obj < %s | llvm-objdump -t - | FileCheck %s --check-prefix=ARM +@ RUN: llvm-mc -triple=armebv7a-none-eabi -filetype=obj < %s | llvm-objdump -t - | FileCheck %s --check-prefix=ARM +@ RUN: llvm-mc -triple=thumbv7a-none-eabi -filetype=obj < %s | llvm-objdump -t - | FileCheck %s --check-prefix=THUMB +@ RUN: llvm-mc -triple=thumbebv7a-none-eabi -filetype=obj < %s | llvm-objdump -t - | FileCheck %s --check-prefix=THUMB + + add r0, r0, r0 + +@ ARM: 00000000 .text 00000000 $a +@ THUMB: 00000000 .text 00000000 $t -- 2.7.4