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gerrit-public.fairphone.software / toolchain / llvm-project / bb68610dc992a0699aa32a6334942b906045750d / . / llvm / lib / Target / PowerPC / MCTargetDesc / PPCELFObjectWriter.cpp
blob: a6fd3dd45fa885ed54f2f3c8fd5b3babe740dfd1 [file] [log] [blame]
Rafael Espindola38a400d2011-12-22 01:57:09 +0000[diff] [blame]1//===-- PPCELFObjectWriter.cpp - PPC ELF Writer ---------------------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
Rafael Espindola38a400d2011-12-22 01:57:09 +0000[diff] [blame]10#include "MCTargetDesc/PPCMCTargetDesc.h"
Chandler Carruthed0881b2012-12-03 16:50:05 +0000[diff] [blame]11#include "MCTargetDesc/PPCFixupKinds.h"
Rafael Espindola7fadc0e2014-03-20 02:12:01 +0000[diff] [blame]12#include "MCTargetDesc/PPCMCExpr.h"
Bill Schmidta4f89842012-12-14 20:28:38 +0000[diff] [blame]13#include "llvm/ADT/STLExtras.h"
Rafael Espindola38a400d2011-12-22 01:57:09 +0000[diff] [blame]14#include "llvm/MC/MCELFObjectWriter.h"
Adhemerval Zanellaf2aceda2012-10-25 12:27:42 +0000[diff] [blame]15#include "llvm/MC/MCExpr.h"
16#include "llvm/MC/MCValue.h"
Chandler Carruthed0881b2012-12-03 16:50:05 +0000[diff] [blame]17#include "llvm/Support/ErrorHandling.h"
Rafael Espindola38a400d2011-12-22 01:57:09 +0000[diff] [blame]18
19using namespace llvm;
20
21namespace {
22 class PPCELFObjectWriter : public MCELFObjectTargetWriter {
23 public:
24 PPCELFObjectWriter(bool Is64Bit, uint8_t OSABI);
25
26 virtual ~PPCELFObjectWriter();
27 protected:
Adhemerval Zanellaf2aceda2012-10-25 12:27:42 +0000[diff] [blame]28 virtual unsigned getRelocTypeInner(const MCValue &Target,
29 const MCFixup &Fixup,
30 bool IsPCRel) const;
Rafael Espindola9ab38012014-03-27 20:41:17 +0000[diff] [blame]31 unsigned GetRelocType(const MCValue &Target, const MCFixup &Fixup,
Rafael Espindolac03f44c2014-03-27 20:49:35 +0000[diff] [blame]32 bool IsPCRel) const override;
Ulrich Weigandbb686102014-07-20 23:06:03 +0000[diff] [blame^]33
34 bool needsRelocateWithSymbol(unsigned Type) const override;
Rafael Espindola38a400d2011-12-22 01:57:09 +0000[diff] [blame]35 };
36}
37
38PPCELFObjectWriter::PPCELFObjectWriter(bool Is64Bit, uint8_t OSABI)
39 : MCELFObjectTargetWriter(Is64Bit, OSABI,
40 Is64Bit ? ELF::EM_PPC64 : ELF::EM_PPC,
Rafael Espindola25009622011-12-22 18:38:06 +0000[diff] [blame]41 /*HasRelocationAddend*/ true) {}
Rafael Espindola38a400d2011-12-22 01:57:09 +0000[diff] [blame]42
43PPCELFObjectWriter::~PPCELFObjectWriter() {
44}
45
Rafael Espindola3d082fa2014-05-03 19:57:04 +0000[diff] [blame]46static MCSymbolRefExpr::VariantKind getAccessVariant(const MCValue &Target,
47 const MCFixup &Fixup) {
Rafael Espindola7fadc0e2014-03-20 02:12:01 +0000[diff] [blame]48 const MCExpr *Expr = Fixup.getValue();
49
50 if (Expr->getKind() != MCExpr::Target)
Rafael Espindola3d082fa2014-05-03 19:57:04 +0000[diff] [blame]51 return Target.getAccessVariant();
Rafael Espindola7fadc0e2014-03-20 02:12:01 +0000[diff] [blame]52
53 switch (cast<PPCMCExpr>(Expr)->getKind()) {
54 case PPCMCExpr::VK_PPC_None:
55 return MCSymbolRefExpr::VK_None;
56 case PPCMCExpr::VK_PPC_LO:
57 return MCSymbolRefExpr::VK_PPC_LO;
58 case PPCMCExpr::VK_PPC_HI:
59 return MCSymbolRefExpr::VK_PPC_HI;
60 case PPCMCExpr::VK_PPC_HA:
61 return MCSymbolRefExpr::VK_PPC_HA;
62 case PPCMCExpr::VK_PPC_HIGHERA:
63 return MCSymbolRefExpr::VK_PPC_HIGHERA;
64 case PPCMCExpr::VK_PPC_HIGHER:
65 return MCSymbolRefExpr::VK_PPC_HIGHER;
66 case PPCMCExpr::VK_PPC_HIGHEST:
67 return MCSymbolRefExpr::VK_PPC_HIGHEST;
68 case PPCMCExpr::VK_PPC_HIGHESTA:
69 return MCSymbolRefExpr::VK_PPC_HIGHESTA;
70 }
Alexey Samsonov94bc4222014-03-20 07:30:40 +0000[diff] [blame]71 llvm_unreachable("unknown PPCMCExpr kind");
Rafael Espindola7fadc0e2014-03-20 02:12:01 +0000[diff] [blame]72}
73
Adhemerval Zanellaf2aceda2012-10-25 12:27:42 +0000[diff] [blame]74unsigned PPCELFObjectWriter::getRelocTypeInner(const MCValue &Target,
75 const MCFixup &Fixup,
76 bool IsPCRel) const
77{
Rafael Espindola3d082fa2014-05-03 19:57:04 +0000[diff] [blame]78 MCSymbolRefExpr::VariantKind Modifier = getAccessVariant(Target, Fixup);
Adhemerval Zanellaf2aceda2012-10-25 12:27:42 +0000[diff] [blame]79
Rafael Espindola38a400d2011-12-22 01:57:09 +0000[diff] [blame]80 // determine the type of the relocation
81 unsigned Type;
82 if (IsPCRel) {
83 switch ((unsigned)Fixup.getKind()) {
84 default:
85 llvm_unreachable("Unimplemented");
86 case PPC::fixup_ppc_br24:
Ulrich Weigandb6a30d12013-06-24 11:03:33 +0000[diff] [blame]87 case PPC::fixup_ppc_br24abs:
Hal Finkel3ee2af72014-07-18 23:29:49 +0000[diff] [blame]88 switch (Modifier) {
89 default: llvm_unreachable("Unsupported Modifier");
90 case MCSymbolRefExpr::VK_None:
91 Type = ELF::R_PPC_REL24;
92 break;
93 case MCSymbolRefExpr::VK_PLT:
94 Type = ELF::R_PPC_PLTREL24;
95 break;
96 }
Rafael Espindola38a400d2011-12-22 01:57:09 +0000[diff] [blame]97 break;
Ulrich Weigand72a7dc02013-04-26 15:38:30 +0000[diff] [blame]98 case PPC::fixup_ppc_brcond14:
Ulrich Weigandb6a30d12013-06-24 11:03:33 +0000[diff] [blame]99 case PPC::fixup_ppc_brcond14abs:
Ulrich Weigand72a7dc02013-04-26 15:38:30 +0000[diff] [blame]100 Type = ELF::R_PPC_REL14;
101 break;
Ulrich Weigand91add7d2013-06-21 14:44:37 +0000[diff] [blame]102 case PPC::fixup_ppc_half16:
103 switch (Modifier) {
104 default: llvm_unreachable("Unsupported Modifier");
105 case MCSymbolRefExpr::VK_None:
106 Type = ELF::R_PPC_REL16;
107 break;
108 case MCSymbolRefExpr::VK_PPC_LO:
109 Type = ELF::R_PPC_REL16_LO;
110 break;
111 case MCSymbolRefExpr::VK_PPC_HI:
112 Type = ELF::R_PPC_REL16_HI;
113 break;
114 case MCSymbolRefExpr::VK_PPC_HA:
115 Type = ELF::R_PPC_REL16_HA;
116 break;
117 }
118 break;
Adhemerval Zanella9b0b7812013-01-04 19:08:13 +0000[diff] [blame]119 case FK_Data_4:
Rafael Espindola38a400d2011-12-22 01:57:09 +0000[diff] [blame]120 case FK_PCRel_4:
121 Type = ELF::R_PPC_REL32;
122 break;
Adhemerval Zanella9b0b7812013-01-04 19:08:13 +0000[diff] [blame]123 case FK_Data_8:
124 case FK_PCRel_8:
125 Type = ELF::R_PPC64_REL64;
126 break;
Rafael Espindola38a400d2011-12-22 01:57:09 +0000[diff] [blame]127 }
128 } else {
129 switch ((unsigned)Fixup.getKind()) {
130 default: llvm_unreachable("invalid fixup kind!");
Ulrich Weigandb6a30d12013-06-24 11:03:33 +0000[diff] [blame]131 case PPC::fixup_ppc_br24abs:
Rafael Espindola38a400d2011-12-22 01:57:09 +0000[diff] [blame]132 Type = ELF::R_PPC_ADDR24;
133 break;
Ulrich Weigandb6a30d12013-06-24 11:03:33 +0000[diff] [blame]134 case PPC::fixup_ppc_brcond14abs:
Adhemerval Zanellaf2aceda2012-10-25 12:27:42 +0000[diff] [blame]135 Type = ELF::R_PPC_ADDR14; // XXX: or BRNTAKEN?_
Rafael Espindola38a400d2011-12-22 01:57:09 +0000[diff] [blame]136 break;
Ulrich Weigand6e23ac62013-05-17 12:37:21 +0000[diff] [blame]137 case PPC::fixup_ppc_half16:
Ulrich Weigand85578502012-11-13 19:24:36 +0000[diff] [blame]138 switch (Modifier) {
139 default: llvm_unreachable("Unsupported Modifier");
Ulrich Weigand85578502012-11-13 19:24:36 +0000[diff] [blame]140 case MCSymbolRefExpr::VK_None:
Ulrich Weigande4620532013-05-08 17:50:07 +0000[diff] [blame]141 Type = ELF::R_PPC_ADDR16;
142 break;
Ulrich Weigandd51c09f2013-06-21 14:42:20 +0000[diff] [blame]143 case MCSymbolRefExpr::VK_PPC_LO:
Ulrich Weigand85578502012-11-13 19:24:36 +0000[diff] [blame]144 Type = ELF::R_PPC_ADDR16_LO;
Ulrich Weigand9e90b3c2013-06-20 22:04:40 +0000[diff] [blame]145 break;
Ulrich Weigande67c5652013-06-21 14:42:49 +0000[diff] [blame]146 case MCSymbolRefExpr::VK_PPC_HI:
147 Type = ELF::R_PPC_ADDR16_HI;
148 break;
Ulrich Weigandd51c09f2013-06-21 14:42:20 +0000[diff] [blame]149 case MCSymbolRefExpr::VK_PPC_HA:
Ulrich Weigand9e90b3c2013-06-20 22:04:40 +0000[diff] [blame]150 Type = ELF::R_PPC_ADDR16_HA;
151 break;
Ulrich Weigande9126f52013-06-21 14:43:42 +0000[diff] [blame]152 case MCSymbolRefExpr::VK_PPC_HIGHER:
153 Type = ELF::R_PPC64_ADDR16_HIGHER;
154 break;
155 case MCSymbolRefExpr::VK_PPC_HIGHERA:
156 Type = ELF::R_PPC64_ADDR16_HIGHERA;
157 break;
158 case MCSymbolRefExpr::VK_PPC_HIGHEST:
159 Type = ELF::R_PPC64_ADDR16_HIGHEST;
160 break;
161 case MCSymbolRefExpr::VK_PPC_HIGHESTA:
162 Type = ELF::R_PPC64_ADDR16_HIGHESTA;
163 break;
Ulrich Weigand93372b42013-06-25 16:49:50 +0000[diff] [blame]164 case MCSymbolRefExpr::VK_GOT:
165 Type = ELF::R_PPC_GOT16;
166 break;
167 case MCSymbolRefExpr::VK_PPC_GOT_LO:
168 Type = ELF::R_PPC_GOT16_LO;
169 break;
170 case MCSymbolRefExpr::VK_PPC_GOT_HI:
171 Type = ELF::R_PPC_GOT16_HI;
172 break;
173 case MCSymbolRefExpr::VK_PPC_GOT_HA:
174 Type = ELF::R_PPC_GOT16_HA;
175 break;
Ulrich Weigandd51c09f2013-06-21 14:42:20 +0000[diff] [blame]176 case MCSymbolRefExpr::VK_PPC_TOC:
Ulrich Weigand3e186012013-03-26 10:56:47 +0000[diff] [blame]177 Type = ELF::R_PPC64_TOC16;
178 break;
Ulrich Weigandd51c09f2013-06-21 14:42:20 +0000[diff] [blame]179 case MCSymbolRefExpr::VK_PPC_TOC_LO:
Bill Schmidt34627e32012-11-27 17:35:46 +0000[diff] [blame]180 Type = ELF::R_PPC64_TOC16_LO;
181 break;
Ulrich Weigand72ddbd62013-06-21 14:43:10 +0000[diff] [blame]182 case MCSymbolRefExpr::VK_PPC_TOC_HI:
183 Type = ELF::R_PPC64_TOC16_HI;
184 break;
Ulrich Weigandd51c09f2013-06-21 14:42:20 +0000[diff] [blame]185 case MCSymbolRefExpr::VK_PPC_TOC_HA:
Ulrich Weigand9e90b3c2013-06-20 22:04:40 +0000[diff] [blame]186 Type = ELF::R_PPC64_TOC16_HA;
187 break;
Ulrich Weigand876a0d02013-06-21 14:44:15 +0000[diff] [blame]188 case MCSymbolRefExpr::VK_PPC_TPREL:
189 Type = ELF::R_PPC_TPREL16;
190 break;
Ulrich Weigandd51c09f2013-06-21 14:42:20 +0000[diff] [blame]191 case MCSymbolRefExpr::VK_PPC_TPREL_LO:
Ulrich Weigand9e90b3c2013-06-20 22:04:40 +0000[diff] [blame]192 Type = ELF::R_PPC_TPREL16_LO;
193 break;
Ulrich Weigand876a0d02013-06-21 14:44:15 +0000[diff] [blame]194 case MCSymbolRefExpr::VK_PPC_TPREL_HI:
195 Type = ELF::R_PPC_TPREL16_HI;
196 break;
Ulrich Weigandd51c09f2013-06-21 14:42:20 +0000[diff] [blame]197 case MCSymbolRefExpr::VK_PPC_TPREL_HA:
Ulrich Weigand9e90b3c2013-06-20 22:04:40 +0000[diff] [blame]198 Type = ELF::R_PPC_TPREL16_HA;
199 break;
Ulrich Weigand876a0d02013-06-21 14:44:15 +0000[diff] [blame]200 case MCSymbolRefExpr::VK_PPC_TPREL_HIGHER:
201 Type = ELF::R_PPC64_TPREL16_HIGHER;
202 break;
203 case MCSymbolRefExpr::VK_PPC_TPREL_HIGHERA:
204 Type = ELF::R_PPC64_TPREL16_HIGHERA;
205 break;
206 case MCSymbolRefExpr::VK_PPC_TPREL_HIGHEST:
207 Type = ELF::R_PPC64_TPREL16_HIGHEST;
208 break;
209 case MCSymbolRefExpr::VK_PPC_TPREL_HIGHESTA:
210 Type = ELF::R_PPC64_TPREL16_HIGHESTA;
211 break;
212 case MCSymbolRefExpr::VK_PPC_DTPREL:
213 Type = ELF::R_PPC64_DTPREL16;
214 break;
Ulrich Weigandd51c09f2013-06-21 14:42:20 +0000[diff] [blame]215 case MCSymbolRefExpr::VK_PPC_DTPREL_LO:
Ulrich Weigand9e90b3c2013-06-20 22:04:40 +0000[diff] [blame]216 Type = ELF::R_PPC64_DTPREL16_LO;
217 break;
Ulrich Weigand876a0d02013-06-21 14:44:15 +0000[diff] [blame]218 case MCSymbolRefExpr::VK_PPC_DTPREL_HI:
219 Type = ELF::R_PPC64_DTPREL16_HI;
220 break;
Ulrich Weigandd51c09f2013-06-21 14:42:20 +0000[diff] [blame]221 case MCSymbolRefExpr::VK_PPC_DTPREL_HA:
Ulrich Weigand9e90b3c2013-06-20 22:04:40 +0000[diff] [blame]222 Type = ELF::R_PPC64_DTPREL16_HA;
223 break;
Ulrich Weigand876a0d02013-06-21 14:44:15 +0000[diff] [blame]224 case MCSymbolRefExpr::VK_PPC_DTPREL_HIGHER:
225 Type = ELF::R_PPC64_DTPREL16_HIGHER;
226 break;
227 case MCSymbolRefExpr::VK_PPC_DTPREL_HIGHERA:
228 Type = ELF::R_PPC64_DTPREL16_HIGHERA;
229 break;
230 case MCSymbolRefExpr::VK_PPC_DTPREL_HIGHEST:
231 Type = ELF::R_PPC64_DTPREL16_HIGHEST;
232 break;
233 case MCSymbolRefExpr::VK_PPC_DTPREL_HIGHESTA:
234 Type = ELF::R_PPC64_DTPREL16_HIGHESTA;
235 break;
236 case MCSymbolRefExpr::VK_PPC_GOT_TLSGD:
237 Type = ELF::R_PPC64_GOT_TLSGD16;
238 break;
Ulrich Weigandd51c09f2013-06-21 14:42:20 +0000[diff] [blame]239 case MCSymbolRefExpr::VK_PPC_GOT_TLSGD_LO:
Bill Schmidtc56f1d32012-12-11 20:30:11 +0000[diff] [blame]240 Type = ELF::R_PPC64_GOT_TLSGD16_LO;
241 break;
Ulrich Weigand876a0d02013-06-21 14:44:15 +0000[diff] [blame]242 case MCSymbolRefExpr::VK_PPC_GOT_TLSGD_HI:
243 Type = ELF::R_PPC64_GOT_TLSGD16_HI;
244 break;
Ulrich Weigandd51c09f2013-06-21 14:42:20 +0000[diff] [blame]245 case MCSymbolRefExpr::VK_PPC_GOT_TLSGD_HA:
Ulrich Weigand9e90b3c2013-06-20 22:04:40 +0000[diff] [blame]246 Type = ELF::R_PPC64_GOT_TLSGD16_HA;
247 break;
Ulrich Weigand876a0d02013-06-21 14:44:15 +0000[diff] [blame]248 case MCSymbolRefExpr::VK_PPC_GOT_TLSLD:
249 Type = ELF::R_PPC64_GOT_TLSLD16;
250 break;
Ulrich Weigandd51c09f2013-06-21 14:42:20 +0000[diff] [blame]251 case MCSymbolRefExpr::VK_PPC_GOT_TLSLD_LO:
Bill Schmidt24b8dd62012-12-12 19:29:35 +0000[diff] [blame]252 Type = ELF::R_PPC64_GOT_TLSLD16_LO;
253 break;
Ulrich Weigand876a0d02013-06-21 14:44:15 +0000[diff] [blame]254 case MCSymbolRefExpr::VK_PPC_GOT_TLSLD_HI:
255 Type = ELF::R_PPC64_GOT_TLSLD16_HI;
256 break;
Ulrich Weigandd51c09f2013-06-21 14:42:20 +0000[diff] [blame]257 case MCSymbolRefExpr::VK_PPC_GOT_TLSLD_HA:
Ulrich Weigand9e90b3c2013-06-20 22:04:40 +0000[diff] [blame]258 Type = ELF::R_PPC64_GOT_TLSLD16_HA;
259 break;
Ulrich Weigandb2044312013-07-05 13:49:46 +0000[diff] [blame]260 case MCSymbolRefExpr::VK_PPC_GOT_TPREL:
261 /* We don't have R_PPC64_GOT_TPREL16, but since GOT offsets
262 are always 4-aligned, we can use R_PPC64_GOT_TPREL16_DS. */
263 Type = ELF::R_PPC64_GOT_TPREL16_DS;
264 break;
265 case MCSymbolRefExpr::VK_PPC_GOT_TPREL_LO:
266 /* We don't have R_PPC64_GOT_TPREL16_LO, but since GOT offsets
267 are always 4-aligned, we can use R_PPC64_GOT_TPREL16_LO_DS. */
268 Type = ELF::R_PPC64_GOT_TPREL16_LO_DS;
269 break;
Ulrich Weigand876a0d02013-06-21 14:44:15 +0000[diff] [blame]270 case MCSymbolRefExpr::VK_PPC_GOT_TPREL_HI:
271 Type = ELF::R_PPC64_GOT_TPREL16_HI;
272 break;
Ulrich Weigandb2044312013-07-05 13:49:46 +0000[diff] [blame]273 case MCSymbolRefExpr::VK_PPC_GOT_DTPREL:
274 /* We don't have R_PPC64_GOT_DTPREL16, but since GOT offsets
275 are always 4-aligned, we can use R_PPC64_GOT_DTPREL16_DS. */
276 Type = ELF::R_PPC64_GOT_DTPREL16_DS;
277 break;
278 case MCSymbolRefExpr::VK_PPC_GOT_DTPREL_LO:
279 /* We don't have R_PPC64_GOT_DTPREL16_LO, but since GOT offsets
280 are always 4-aligned, we can use R_PPC64_GOT_DTPREL16_LO_DS. */
281 Type = ELF::R_PPC64_GOT_DTPREL16_LO_DS;
282 break;
Ulrich Weigandd51c09f2013-06-21 14:42:20 +0000[diff] [blame]283 case MCSymbolRefExpr::VK_PPC_GOT_TPREL_HA:
Ulrich Weigand9e90b3c2013-06-20 22:04:40 +0000[diff] [blame]284 Type = ELF::R_PPC64_GOT_TPREL16_HA;
285 break;
Ulrich Weigand876a0d02013-06-21 14:44:15 +0000[diff] [blame]286 case MCSymbolRefExpr::VK_PPC_GOT_DTPREL_HI:
287 Type = ELF::R_PPC64_GOT_DTPREL16_HI;
288 break;
289 case MCSymbolRefExpr::VK_PPC_GOT_DTPREL_HA:
290 Type = ELF::R_PPC64_GOT_DTPREL16_HA;
291 break;
Ulrich Weigand85578502012-11-13 19:24:36 +0000[diff] [blame]292 }
Rafael Espindola38a400d2011-12-22 01:57:09 +0000[diff] [blame]293 break;
Ulrich Weigand6e23ac62013-05-17 12:37:21 +0000[diff] [blame]294 case PPC::fixup_ppc_half16ds:
Bill Schmidt3822ef22013-02-21 00:05:29 +0000[diff] [blame]295 switch (Modifier) {
296 default: llvm_unreachable("Unsupported Modifier");
Bill Schmidt3822ef22013-02-21 00:05:29 +0000[diff] [blame]297 case MCSymbolRefExpr::VK_None:
Ulrich Weigand3e186012013-03-26 10:56:47 +0000[diff] [blame]298 Type = ELF::R_PPC64_ADDR16_DS;
Bill Schmidt3822ef22013-02-21 00:05:29 +0000[diff] [blame]299 break;
Ulrich Weigandd51c09f2013-06-21 14:42:20 +0000[diff] [blame]300 case MCSymbolRefExpr::VK_PPC_LO:
Ulrich Weigande4620532013-05-08 17:50:07 +0000[diff] [blame]301 Type = ELF::R_PPC64_ADDR16_LO_DS;
302 break;
Ulrich Weigand93372b42013-06-25 16:49:50 +0000[diff] [blame]303 case MCSymbolRefExpr::VK_GOT:
304 Type = ELF::R_PPC64_GOT16_DS;
305 break;
306 case MCSymbolRefExpr::VK_PPC_GOT_LO:
307 Type = ELF::R_PPC64_GOT16_LO_DS;
308 break;
Ulrich Weigandd51c09f2013-06-21 14:42:20 +0000[diff] [blame]309 case MCSymbolRefExpr::VK_PPC_TOC:
Bill Schmidt34627e32012-11-27 17:35:46 +0000[diff] [blame]310 Type = ELF::R_PPC64_TOC16_DS;
311 break;
Ulrich Weigandd51c09f2013-06-21 14:42:20 +0000[diff] [blame]312 case MCSymbolRefExpr::VK_PPC_TOC_LO:
Bill Schmidt34627e32012-11-27 17:35:46 +0000[diff] [blame]313 Type = ELF::R_PPC64_TOC16_LO_DS;
314 break;
Ulrich Weigand876a0d02013-06-21 14:44:15 +0000[diff] [blame]315 case MCSymbolRefExpr::VK_PPC_TPREL:
316 Type = ELF::R_PPC64_TPREL16_DS;
317 break;
318 case MCSymbolRefExpr::VK_PPC_TPREL_LO:
319 Type = ELF::R_PPC64_TPREL16_LO_DS;
320 break;
321 case MCSymbolRefExpr::VK_PPC_DTPREL:
322 Type = ELF::R_PPC64_DTPREL16_DS;
323 break;
324 case MCSymbolRefExpr::VK_PPC_DTPREL_LO:
325 Type = ELF::R_PPC64_DTPREL16_LO_DS;
326 break;
327 case MCSymbolRefExpr::VK_PPC_GOT_TPREL:
328 Type = ELF::R_PPC64_GOT_TPREL16_DS;
329 break;
Ulrich Weigandd51c09f2013-06-21 14:42:20 +0000[diff] [blame]330 case MCSymbolRefExpr::VK_PPC_GOT_TPREL_LO:
Bill Schmidt9f0b4ec2012-12-14 17:02:38 +0000[diff] [blame]331 Type = ELF::R_PPC64_GOT_TPREL16_LO_DS;
Bill Schmidtca4a0c92012-12-04 16:18:08 +0000[diff] [blame]332 break;
Ulrich Weigand876a0d02013-06-21 14:44:15 +0000[diff] [blame]333 case MCSymbolRefExpr::VK_PPC_GOT_DTPREL:
334 Type = ELF::R_PPC64_GOT_DTPREL16_DS;
335 break;
336 case MCSymbolRefExpr::VK_PPC_GOT_DTPREL_LO:
337 Type = ELF::R_PPC64_GOT_DTPREL16_LO_DS;
338 break;
Bill Schmidt34627e32012-11-27 17:35:46 +0000[diff] [blame]339 }
Adhemerval Zanellaf2aceda2012-10-25 12:27:42 +0000[diff] [blame]340 break;
Bill Schmidt24b8dd62012-12-12 19:29:35 +0000[diff] [blame]341 case PPC::fixup_ppc_nofixup:
342 switch (Modifier) {
343 default: llvm_unreachable("Unsupported Modifier");
Ulrich Weigand52cf8e42013-07-09 16:41:09 +0000[diff] [blame]344 case MCSymbolRefExpr::VK_PPC_TLSGD:
Bill Schmidt24b8dd62012-12-12 19:29:35 +0000[diff] [blame]345 Type = ELF::R_PPC64_TLSGD;
346 break;
Ulrich Weigand52cf8e42013-07-09 16:41:09 +0000[diff] [blame]347 case MCSymbolRefExpr::VK_PPC_TLSLD:
Bill Schmidt24b8dd62012-12-12 19:29:35 +0000[diff] [blame]348 Type = ELF::R_PPC64_TLSLD;
349 break;
Ulrich Weigand5b427592013-07-05 12:22:36 +0000[diff] [blame]350 case MCSymbolRefExpr::VK_PPC_TLS:
351 Type = ELF::R_PPC64_TLS;
352 break;
Bill Schmidt24b8dd62012-12-12 19:29:35 +0000[diff] [blame]353 }
Bill Schmidtc56f1d32012-12-11 20:30:11 +0000[diff] [blame]354 break;
Adhemerval Zanellaf2aceda2012-10-25 12:27:42 +0000[diff] [blame]355 case FK_Data_8:
356 switch (Modifier) {
357 default: llvm_unreachable("Unsupported Modifier");
Ulrich Weigand68e2e1b2013-06-20 22:39:42 +0000[diff] [blame]358 case MCSymbolRefExpr::VK_PPC_TOCBASE:
Adhemerval Zanellaf2aceda2012-10-25 12:27:42 +0000[diff] [blame]359 Type = ELF::R_PPC64_TOC;
360 break;
361 case MCSymbolRefExpr::VK_None:
362 Type = ELF::R_PPC64_ADDR64;
363 break;
Ulrich Weigandf11efe72013-07-01 23:33:29 +0000[diff] [blame]364 case MCSymbolRefExpr::VK_PPC_DTPMOD:
365 Type = ELF::R_PPC64_DTPMOD64;
366 break;
367 case MCSymbolRefExpr::VK_PPC_TPREL:
368 Type = ELF::R_PPC64_TPREL64;
369 break;
370 case MCSymbolRefExpr::VK_PPC_DTPREL:
371 Type = ELF::R_PPC64_DTPREL64;
372 break;
Adhemerval Zanellaf2aceda2012-10-25 12:27:42 +0000[diff] [blame]373 }
374 break;
Rafael Espindola38a400d2011-12-22 01:57:09 +0000[diff] [blame]375 case FK_Data_4:
376 Type = ELF::R_PPC_ADDR32;
377 break;
378 case FK_Data_2:
379 Type = ELF::R_PPC_ADDR16;
380 break;
381 }
382 }
383 return Type;
384}
385
Adhemerval Zanellaf2aceda2012-10-25 12:27:42 +0000[diff] [blame]386unsigned PPCELFObjectWriter::GetRelocType(const MCValue &Target,
387 const MCFixup &Fixup,
Rafael Espindolac03f44c2014-03-27 20:49:35 +0000[diff] [blame]388 bool IsPCRel) const {
Adhemerval Zanellaf2aceda2012-10-25 12:27:42 +0000[diff] [blame]389 return getRelocTypeInner(Target, Fixup, IsPCRel);
390}
391
Ulrich Weigandbb686102014-07-20 23:06:03 +0000[diff] [blame^]392bool PPCELFObjectWriter::needsRelocateWithSymbol(unsigned Type) const {
393 switch (Type) {
394 default:
395 return false;
396
397 case ELF::R_PPC_REL24:
398 // FIXME: We only need to keep the target symbol of the relocation
399 // if the symbol uses a local entry point. Unfortunately, we do not
400 // have access to the symbol here ...
401 return true;
402 }
403}
404
Rafael Espindola38a400d2011-12-22 01:57:09 +0000[diff] [blame]405MCObjectWriter *llvm::createPPCELFObjectWriter(raw_ostream &OS,
406 bool Is64Bit,
Ulrich Weigandcae3a172014-03-24 18:16:09 +0000[diff] [blame]407 bool IsLittleEndian,
Rafael Espindola38a400d2011-12-22 01:57:09 +0000[diff] [blame]408 uint8_t OSABI) {
409 MCELFObjectTargetWriter *MOTW = new PPCELFObjectWriter(Is64Bit, OSABI);
Ulrich Weigandcae3a172014-03-24 18:16:09 +0000[diff] [blame]410 return createELFObjectWriter(MOTW, OS, IsLittleEndian);
Rafael Espindola38a400d2011-12-22 01:57:09 +0000[diff] [blame]411}