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0dd44327b0
There is currently only limited support for the "absolute" variants of branch instructions. This patch adds support for the absolute variants of all branches that are currently otherwise supported. This requires adding new fixup types so that the correct variant of relocation type can be selected by the object writer. While the compiler will continue to usually choose the relative branch variants, this will allow the asm parser to fully support the absolute branches, with either immediate (numerical) or symbolic target addresses. No change in code generation intended. llvm-svn: 184721
59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
//===-- PPCFixupKinds.h - PPC Specific Fixup Entries ------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_PPC_PPCFIXUPKINDS_H
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#define LLVM_PPC_PPCFIXUPKINDS_H
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#include "llvm/MC/MCFixup.h"
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#undef PPC
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namespace llvm {
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namespace PPC {
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enum Fixups {
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// fixup_ppc_br24 - 24-bit PC relative relocation for direct branches like 'b'
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// and 'bl'.
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fixup_ppc_br24 = FirstTargetFixupKind,
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/// fixup_ppc_brcond14 - 14-bit PC relative relocation for conditional
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/// branches.
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fixup_ppc_brcond14,
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/// fixup_ppc_br24abs - 24-bit absolute relocation for direct branches
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/// like 'ba' and 'bla'.
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fixup_ppc_br24abs,
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/// fixup_ppc_brcond14abs - 14-bit absolute relocation for conditional
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/// branches.
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fixup_ppc_brcond14abs,
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/// fixup_ppc_half16 - A 16-bit fixup corresponding to lo16(_foo)
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/// or ha16(_foo) for instrs like 'li' or 'addis'.
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fixup_ppc_half16,
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/// fixup_ppc_half16ds - A 14-bit fixup corresponding to lo16(_foo) with
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/// implied 2 zero bits for instrs like 'std'.
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fixup_ppc_half16ds,
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/// fixup_ppc_tlsreg - Insert thread-pointer register number.
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fixup_ppc_tlsreg,
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/// fixup_ppc_nofixup - Not a true fixup, but ties a symbol to a call
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/// to __tls_get_addr for the TLS general and local dynamic models.
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fixup_ppc_nofixup,
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// Marker
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LastTargetFixupKind,
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NumTargetFixupKinds = LastTargetFixupKind - FirstTargetFixupKind
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};
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}
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}
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#endif
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