1//===-- AArch64FixupKinds.h - AArch64 Specific Fixup Entries ----*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLVM_LIB_TARGET_AARCH64_MCTARGETDESC_AARCH64FIXUPKINDS_H
10#define LLVM_LIB_TARGET_AARCH64_MCTARGETDESC_AARCH64FIXUPKINDS_H
11
12#include "llvm/MC/MCFixup.h"
13
14namespace llvm {
15namespace AArch64 {
16
17enum Fixups {
18 // A 21-bit pc-relative immediate inserted into an ADR instruction.
19 fixup_aarch64_pcrel_adr_imm21 = FirstTargetFixupKind,
20
21 // A 21-bit pc-relative immediate inserted into an ADRP instruction.
22 fixup_aarch64_pcrel_adrp_imm21,
23
24 // 12-bit fixup for add/sub instructions. No alignment adjustment. All value
25 // bits are encoded.
26 fixup_aarch64_add_imm12,
27
28 // unsigned 12-bit fixups for load and store instructions.
29 fixup_aarch64_ldst_imm12_scale1,
30 fixup_aarch64_ldst_imm12_scale2,
31 fixup_aarch64_ldst_imm12_scale4,
32 fixup_aarch64_ldst_imm12_scale8,
33 fixup_aarch64_ldst_imm12_scale16,
34
35 // The high 19 bits of a 21-bit pc-relative immediate. Same encoding as
36 // fixup_aarch64_pcrel_adrhi, except this is used by pc-relative loads and
37 // generates relocations directly when necessary.
38 fixup_aarch64_ldr_pcrel_imm19,
39
40 // FIXME: comment
41 fixup_aarch64_movw,
42
43 // The high 9 bits of a 11-bit pc-relative immediate.
44 fixup_aarch64_pcrel_branch9,
45
46 // The high 14 bits of a 21-bit pc-relative immediate.
47 fixup_aarch64_pcrel_branch14,
48
49 // The high 16 bits of a 18-bit unsigned PC-relative immediate. Used by
50 // pointer authentication, only within a function, so no relocation can be
51 // generated.
52 fixup_aarch64_pcrel_branch16,
53
54 // The high 19 bits of a 21-bit pc-relative immediate. Same encoding as
55 // fixup_aarch64_pcrel_adrhi, except this is use by b.cc and generates
56 // relocations directly when necessary.
57 fixup_aarch64_pcrel_branch19,
58
59 // The high 26 bits of a 28-bit pc-relative immediate.
60 fixup_aarch64_pcrel_branch26,
61
62 // The high 26 bits of a 28-bit pc-relative immediate. Distinguished from
63 // branch26 only on ELF.
64 fixup_aarch64_pcrel_call26,
65
66 // Marker
67 LastTargetFixupKind,
68 NumTargetFixupKinds = LastTargetFixupKind - FirstTargetFixupKind
69};
70
71} // end namespace AArch64
72} // end namespace llvm
73
74#endif
75