Vendor import of lld release_80 branch r364487:
https://llvm.org/svn/llvm-project/lld/branches/release_80@364487
This commit is contained in:
parent
444e471239
commit
d94942eacd
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/vendor/lld/dist-release_80/; revision=349785 svn path=/vendor/lld/lld-release_801-r366581/; revision=350174; tag=vendor/lld/lld-release_801-r366581
@ -757,7 +757,10 @@ bool PPC64::needsThunk(RelExpr Expr, RelType Type, const InputFile *File,
|
||||
|
||||
// If the offset exceeds the range of the branch type then it will need
|
||||
// a range-extending thunk.
|
||||
return !inBranchRange(Type, BranchAddr, S.getVA());
|
||||
// See the comment in getRelocTargetVA() about R_PPC64_CALL.
|
||||
return !inBranchRange(Type, BranchAddr,
|
||||
S.getVA() +
|
||||
getPPC64GlobalEntryToLocalEntryOffset(S.StOther));
|
||||
}
|
||||
|
||||
uint32_t PPC64::getThunkSectionSpacing() const {
|
||||
|
30
test/ELF/ppc64-long-branch-localentry-offset.s
Normal file
30
test/ELF/ppc64-long-branch-localentry-offset.s
Normal file
@ -0,0 +1,30 @@
|
||||
# REQUIRES: ppc
|
||||
|
||||
# RUN: llvm-mc -filetype=obj -triple=ppc64le %s -o %t.o
|
||||
# RUN: ld.lld %t.o -o %t
|
||||
# RUN: llvm-nm %t | FileCheck %s
|
||||
|
||||
# CHECK-DAG: 0000000010010000 t __long_branch_callee
|
||||
# CHECK-DAG: 0000000010010010 T _start
|
||||
# CHECK-DAG: 0000000012010008 T callee
|
||||
|
||||
# The bl instruction jumps to the local entry. The distance requires a long branch stub:
|
||||
# localentry(callee) - _start = 0x12010008+8 - 0x10010010 = 0x2000000
|
||||
|
||||
# We used to compute globalentry(callee) - _start and caused a "R_PPC64_REL24
|
||||
# out of range" error because we didn't create the stub.
|
||||
|
||||
.globl _start
|
||||
_start:
|
||||
bl callee
|
||||
|
||||
.space 0x1fffff4
|
||||
|
||||
.globl callee
|
||||
callee:
|
||||
.Lgep0:
|
||||
addis 2, 12, .TOC.-.Lgep0@ha
|
||||
addi 2, 2, .TOC.-.Lgep0@l
|
||||
.Llep0:
|
||||
.localentry callee, .Llep0-.Lgep0
|
||||
blr
|
Loading…
Reference in New Issue
Block a user