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[mips] Set Personality and LSDA encoding for FreeBSD

Browse Source 
Reviewers: seanbruno, sdardis

Subscribers: tberghammer, danalbert, srhines, dsanders, sdardis, llvm-commits, seanbruno

Differential Revision: https://reviews.llvm.org/D23113

llvm-svn: 277732
This commit is contained in:
Daniel Sanders 2016-08-04 15:36:03 +00:00
parent 3cb5010af3
commit dc7d5b28b3
2 changed files with 34 additions and 7 deletions
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8
lib/MC/MCObjectFileInfo.cpp
View File

@ -395,6 +395,14 @@ void MCObjectFileInfo::initELFMCObjectFileInfo(const Triple &T) {
dwarf::DW_EH_PE_sdata4;
// We don't support PC-relative LSDA references in GAS so we use the default
// DW_EH_PE_absptr for those.
// FreeBSD must be explicit about the data size and using pcrel since it's
// assembler/linker won't do the automatic conversion that the Linux tools
// do.
if (T.isOSFreeBSD()) {
PersonalityEncoding |= dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
}
break;
case Triple::ppc64:
case Triple::ppc64le:

33
test/CodeGen/Mips/ehframe-indirect.ll
View File

@ -1,15 +1,34 @@
; RUN: llc -mtriple=mipsel-linux-gnu < %s -asm-verbose -relocation-model=pic | FileCheck -check-prefixes=ALL,O32 %s
; RUN: llc -mtriple=mipsel-linux-android < %s -asm-verbose -relocation-model=pic | FileCheck -check-prefixes=ALL,O32 %s
; RUN: llc -mtriple=mips64el-linux-gnu -target-abi=n32 < %s -asm-verbose -relocation-model=pic | FileCheck -check-prefixes=ALL,N32 %s
; RUN: llc -mtriple=mips64el-linux-android -target-abi=n32 < %s -asm-verbose -relocation-model=pic | FileCheck -check-prefixes=ALL,N32 %s
; RUN: llc -mtriple=mips64el-linux-gnu < %s -asm-verbose -relocation-model=pic | FileCheck -check-prefixes=ALL,N64 %s
; RUN: llc -mtriple=mips64el-linux-android < %s -asm-verbose -relocation-model=pic | FileCheck -check-prefixes=ALL,N64 %s
; RUN: llc -mtriple=mipsel-linux-gnu < %s -asm-verbose -relocation-model=pic | \
; RUN: FileCheck -check-prefixes=ALL,LINUX,LINUX-O32,O32 %s
; RUN: llc -mtriple=mipsel-linux-android < %s -asm-verbose -relocation-model=pic | \
; RUN: FileCheck -check-prefixes=ALL,LINUX,LINUX-O32,O32 %s
; RUN: llc -mtriple=mips64el-linux-gnu -target-abi=n32 < %s -asm-verbose -relocation-model=pic | \
; RUN: FileCheck -check-prefixes=ALL,LINUX,LINUX-N32,N32 %s
; RUN: llc -mtriple=mips64el-linux-android -target-abi=n32 < %s -asm-verbose -relocation-model=pic | \
; RUN: FileCheck -check-prefixes=ALL,LINUX,LINUX-N32,N32 %s
; RUN: llc -mtriple=mips64el-linux-gnu < %s -asm-verbose -relocation-model=pic | \
; RUN: FileCheck -check-prefixes=ALL,LINUX,LINUX-N64,N64 %s
; RUN: llc -mtriple=mips64el-linux-android < %s -asm-verbose -relocation-model=pic | \
; RUN: FileCheck -check-prefixes=ALL,LINUX,LINUX-N64,N64 %s
; RUN: llc -mtriple=mips64el-linux-gnu < %s -asm-verbose -relocation-model=pic | \
; RUN: FileCheck -check-prefixes=ALL,LINUX,LINUX-N64,N64 %s
; RUN: llc -mtriple=mips64-unknown-freebsd11.0 < %s -asm-verbose -relocation-model=pic | \
; RUN: FileCheck -check-prefixes=ALL,FREEBSD,FREEBSD-N64,N64 %s
@_ZTISt9exception = external constant i8*
define i32 @main() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
; ALL: .cfi_startproc
; ALL: .cfi_personality 128, DW.ref.__gxx_personality_v0
; Linux must rely on the assembler/linker converting the encodings.
; LINUX: .cfi_personality 128, DW.ref.__gxx_personality_v0
; LINUX-O32: .cfi_lsda 0, $exception0
; LINUX-NEW: .cfi_lsda 0, .Lexception0
; FreeBSD can (and must) be more direct about the encodings it wants.
; FREEBSD: .cfi_personality 155, DW.ref.__gxx_personality_v0
; FREEBSD-O32: .cfi_lsda 27, $exception0
; FREEBSD-NEW: .cfi_lsda 27, .Lexception0
entry:
invoke void @foo() to label %cont unwind label %lpad