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[RuntimeDyldELF] Handle GOTPCRELX/REX_GOTPCRELX.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267309 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Davide Italiano 2016-04-24 01:36:37 +00:00
parent e37fa30e4c
commit b50e1f0066
2 changed files with 13 additions and 1 deletions
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6
lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
View File

@ -1708,7 +1708,9 @@ relocation_iterator RuntimeDyldELF::processRelocationRef(
Value.Offset);
addRelocationForSection(RE, Value.SectionID);
}
} else if (RelType == ELF::R_X86_64_GOTPCREL) {
} else if (RelType == ELF::R_X86_64_GOTPCREL ||
RelType == ELF::R_X86_64_GOTPCRELX ||
RelType == ELF::R_X86_64_REX_GOTPCRELX) {
uint64_t GOTOffset = allocateGOTEntries(SectionID, 1);
resolveGOTOffsetRelocation(SectionID, Offset, GOTOffset + Addend);
@ -1869,6 +1871,8 @@ bool RuntimeDyldELF::relocationNeedsStub(const RelocationRef &R) const {
case ELF::R_X86_64_GOTPCREL:
case ELF::R_X86_64_GOTPCRELX:
case ELF::R_X86_64_REX_GOTPCRELX:
case ELF::R_X86_64_PC32:
case ELF::R_X86_64_PC64:
case ELF::R_X86_64_64:

8
test/ExecutionEngine/RuntimeDyld/X86/ELF-relaxed.s Normal file
View File

@ -0,0 +1,8 @@
# RUN: llvm-mc -triple=x86_64-pc-linux -relocation-model=pic -filetype=obj -o %T/file.o %p/Inputs/ELF_STT_FILE_GLOBAL.s
# RUN: llvm-mc -triple=x86_64-pc-linux -relax-relocations -relocation-model=pic -filetype=obj -o %T/relaxed.o %s
# RUN: llvm-rtdyld -triple=x86_64-pc-linux -verify %T/file.o %T/relaxed.o
# Test that RTDyldELF does not crash with 'unimplemented relocation'
_main:
movq foo.c@GOTPCREL(%rip), %rax