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[mips64] Fix MIPS64 exception personality encoding

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Remove dynamic relocations of __gxx_personality_v0 from the .eh_frame.
The MIPS64 follow-up of the MIPS32 fix (rL209907).

Patch by Vladimir Stefanovic.

Differential Revision: http://reviews.llvm.org/D6141


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221408 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Petar Jovanovic 2014-11-05 22:42:31 +00:00
parent 3f1d66fe93
commit 5940390ece
2 changed files with 12 additions and 5 deletions
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2
lib/MC/MCObjectFileInfo.cpp
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@ -338,6 +338,8 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) {
break;
case Triple::mips:
case Triple::mipsel:
case Triple::mips64:
case Triple::mips64el:
// MIPS uses indirect pointer to refer personality functions, so that the
// eh_frame section can be read-only. DW.ref.personality will be generated
// for relocation.

15
test/CodeGen/Mips/ehframe-indirect.ll
View File

@ -1,5 +1,7 @@
; RUN: llc -mtriple=mipsel-linux-gnu < %s | FileCheck %s
; RUN: llc -mtriple=mipsel-linux-android < %s | FileCheck %s
; RUN: llc -mtriple=mipsel-linux-gnu < %s | FileCheck -check-prefix=CHECK32 %s
; RUN: llc -mtriple=mipsel-linux-android < %s | FileCheck -check-prefix=CHECK32 %s
; RUN: llc -mtriple=mips64el-linux-gnu < %s | FileCheck -check-prefix=CHECK64 %s
; RUN: llc -mtriple=mips64el-linux-android < %s | FileCheck -check-prefix=CHECK64 %s
define i32 @main() {
; CHECK: .cfi_startproc
@ -27,8 +29,11 @@ declare void @foo()
; CHECK: .hidden DW.ref.__gxx_personality_v0
; CHECK: .weak DW.ref.__gxx_personality_v0
; CHECK: .section .data.DW.ref.__gxx_personality_v0,"aGw",@progbits,DW.ref.__gxx_personality_v0,comdat
; CHECK: .align 2
; CHECK32: .align 2
; CHECK64: .align 3
; CHECK: .type DW.ref.__gxx_personality_v0,@object
; CHECK: .size DW.ref.__gxx_personality_v0, 4
; CHECK32: .size DW.ref.__gxx_personality_v0, 4
; CHECK64: .size DW.ref.__gxx_personality_v0, 8
; CHECK: DW.ref.__gxx_personality_v0:
; CHECK: .4byte __gxx_personality_v0
; CHECK32: .4byte __gxx_personality_v0
; CHECK64: .8byte __gxx_personality_v0