1//===- PPC.cpp ------------------------------------------------------------===//
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#include "OutputSections.h"
10#include "Symbols.h"
11#include "SyntheticSections.h"
12#include "Target.h"
13#include "Thunks.h"
14
15using namespace llvm;
16using namespace llvm::support::endian;
17using namespace llvm::ELF;
18using namespace lld;
19using namespace lld::elf;
20
21// Undefine the macro predefined by GCC powerpc32.
22#undef PPC
23
24namespace {
25class PPC final : public TargetInfo {
26public:
27 PPC(Ctx &);
28 RelExpr getRelExpr(RelType type, const Symbol &s,
29 const uint8_t *loc) const override;
30 RelType getDynRel(RelType type) const override;
31 int64_t getImplicitAddend(const uint8_t *buf, RelType type) const override;
32 void writeGotHeader(uint8_t *buf) const override;
33 void writePltHeader(uint8_t *buf) const override {
34 llvm_unreachable("should call writePPC32GlinkSection() instead");
35 }
36 void writePlt(uint8_t *buf, const Symbol &sym,
37 uint64_t pltEntryAddr) const override {
38 llvm_unreachable("should call writePPC32GlinkSection() instead");
39 }
40 void writeIplt(uint8_t *buf, const Symbol &sym,
41 uint64_t pltEntryAddr) const override;
42 void writeGotPlt(uint8_t *buf, const Symbol &s) const override;
43 bool needsThunk(RelExpr expr, RelType relocType, const InputFile *file,
44 uint64_t branchAddr, const Symbol &s,
45 int64_t a) const override;
46 uint32_t getThunkSectionSpacing() const override;
47 bool inBranchRange(RelType type, uint64_t src, uint64_t dst) const override;
48 void relocate(uint8_t *loc, const Relocation &rel,
49 uint64_t val) const override;
50 RelExpr adjustTlsExpr(RelType type, RelExpr expr) const override;
51 int getTlsGdRelaxSkip(RelType type) const override;
52 void relocateAlloc(InputSectionBase &sec, uint8_t *buf) const override;
53
54private:
55 void relaxTlsGdToIe(uint8_t *loc, const Relocation &rel, uint64_t val) const;
56 void relaxTlsGdToLe(uint8_t *loc, const Relocation &rel, uint64_t val) const;
57 void relaxTlsLdToLe(uint8_t *loc, const Relocation &rel, uint64_t val) const;
58 void relaxTlsIeToLe(uint8_t *loc, const Relocation &rel, uint64_t val) const;
59};
60} // namespace
61
62static uint16_t lo(uint32_t v) { return v; }
63static uint16_t ha(uint32_t v) { return (v + 0x8000) >> 16; }
64
65static uint32_t readFromHalf16(Ctx &ctx, const uint8_t *loc) {
66 return read32(ctx, p: ctx.arg.isLE ? loc : loc - 2);
67}
68
69static void writeFromHalf16(Ctx &ctx, uint8_t *loc, uint32_t insn) {
70 write32(ctx, p: ctx.arg.isLE ? loc : loc - 2, v: insn);
71}
72
73void elf::writePPC32GlinkSection(Ctx &ctx, uint8_t *buf, size_t numEntries) {
74 // Create canonical PLT entries for non-PIE code. Compilers don't generate
75 // non-GOT-non-PLT relocations referencing external functions for -fpie/-fPIE.
76 uint32_t glink = ctx.in.plt->getVA(); // VA of .glink
77 if (!ctx.arg.isPic) {
78 for (const Symbol *sym :
79 cast<PPC32GlinkSection>(Val&: *ctx.in.plt).canonical_plts) {
80 writePPC32PltCallStub(ctx, buf, gotPltVA: sym->getGotPltVA(ctx), file: nullptr, addend: 0);
81 buf += 16;
82 glink += 16;
83 }
84 }
85
86 // On PPC Secure PLT ABI, bl foo@plt jumps to a call stub, which loads an
87 // absolute address from a specific .plt slot (usually called .got.plt on
88 // other targets) and jumps there.
89 //
90 // a) With immediate binding (BIND_NOW), the .plt entry is resolved at load
91 // time. The .glink section is not used.
92 // b) With lazy binding, the .plt entry points to a `b PLTresolve`
93 // instruction in .glink, filled in by PPC::writeGotPlt().
94
95 // Write N `b PLTresolve` first.
96 for (size_t i = 0; i != numEntries; ++i)
97 write32(ctx, p: buf + 4 * i, v: 0x48000000 | 4 * (numEntries - i));
98 buf += 4 * numEntries;
99
100 // Then write PLTresolve(), which has two forms: PIC and non-PIC. PLTresolve()
101 // computes the PLT index (by computing the distance from the landing b to
102 // itself) and calls _dl_runtime_resolve() (in glibc).
103 uint32_t got = ctx.in.got->getVA();
104 const uint8_t *end = buf + 64;
105 if (ctx.arg.isPic) {
106 uint32_t afterBcl = 4 * ctx.in.plt->getNumEntries() + 12;
107 uint32_t gotBcl = got + 4 - (glink + afterBcl);
108 write32(ctx, p: buf + 0,
109 v: 0x3d6b0000 | ha(v: afterBcl)); // addis r11,r11,1f-glink@ha
110 write32(ctx, p: buf + 4, v: 0x7c0802a6); // mflr r0
111 write32(ctx, p: buf + 8, v: 0x429f0005); // bcl 20,30,.+4
112 write32(ctx, p: buf + 12,
113 v: 0x396b0000 | lo(v: afterBcl)); // 1: addi r11,r11,1b-glink@l
114 write32(ctx, p: buf + 16, v: 0x7d8802a6); // mflr r12
115 write32(ctx, p: buf + 20, v: 0x7c0803a6); // mtlr r0
116 write32(ctx, p: buf + 24, v: 0x7d6c5850); // sub r11,r11,r12
117 write32(ctx, p: buf + 28, v: 0x3d8c0000 | ha(v: gotBcl)); // addis 12,12,GOT+4-1b@ha
118 if (ha(v: gotBcl) == ha(v: gotBcl + 4)) {
119 write32(ctx, p: buf + 32,
120 v: 0x800c0000 | lo(v: gotBcl)); // lwz r0,r12,GOT+4-1b@l(r12)
121 write32(ctx, p: buf + 36,
122 v: 0x818c0000 | lo(v: gotBcl + 4)); // lwz r12,r12,GOT+8-1b@l(r12)
123 } else {
124 write32(ctx, p: buf + 32,
125 v: 0x840c0000 | lo(v: gotBcl)); // lwzu r0,r12,GOT+4-1b@l(r12)
126 write32(ctx, p: buf + 36, v: 0x818c0000 | 4); // lwz r12,r12,4(r12)
127 }
128 write32(ctx, p: buf + 40, v: 0x7c0903a6); // mtctr 0
129 write32(ctx, p: buf + 44, v: 0x7c0b5a14); // add r0,11,11
130 write32(ctx, p: buf + 48, v: 0x7d605a14); // add r11,0,11
131 write32(ctx, p: buf + 52, v: 0x4e800420); // bctr
132 buf += 56;
133 } else {
134 write32(ctx, p: buf + 0, v: 0x3d800000 | ha(v: got + 4)); // lis r12,GOT+4@ha
135 write32(ctx, p: buf + 4, v: 0x3d6b0000 | ha(v: -glink)); // addis r11,r11,-glink@ha
136 if (ha(v: got + 4) == ha(v: got + 8))
137 write32(ctx, p: buf + 8, v: 0x800c0000 | lo(v: got + 4)); // lwz r0,GOT+4@l(r12)
138 else
139 write32(ctx, p: buf + 8, v: 0x840c0000 | lo(v: got + 4)); // lwzu r0,GOT+4@l(r12)
140 write32(ctx, p: buf + 12, v: 0x396b0000 | lo(v: -glink)); // addi r11,r11,-glink@l
141 write32(ctx, p: buf + 16, v: 0x7c0903a6); // mtctr r0
142 write32(ctx, p: buf + 20, v: 0x7c0b5a14); // add r0,r11,r11
143 if (ha(v: got + 4) == ha(v: got + 8))
144 write32(ctx, p: buf + 24, v: 0x818c0000 | lo(v: got + 8)); // lwz r12,GOT+8@l(r12)
145 else
146 write32(ctx, p: buf + 24, v: 0x818c0000 | 4); // lwz r12,4(r12)
147 write32(ctx, p: buf + 28, v: 0x7d605a14); // add r11,r0,r11
148 write32(ctx, p: buf + 32, v: 0x4e800420); // bctr
149 buf += 36;
150 }
151
152 // Pad with nop. They should not be executed.
153 for (; buf < end; buf += 4)
154 write32(ctx, p: buf, v: 0x60000000);
155}
156
157PPC::PPC(Ctx &ctx) : TargetInfo(ctx) {
158 copyRel = R_PPC_COPY;
159 gotRel = R_PPC_GLOB_DAT;
160 pltRel = R_PPC_JMP_SLOT;
161 relativeRel = R_PPC_RELATIVE;
162 iRelativeRel = R_PPC_IRELATIVE;
163 symbolicRel = R_PPC_ADDR32;
164 gotHeaderEntriesNum = 3;
165 gotPltHeaderEntriesNum = 0;
166 pltHeaderSize = 0;
167 pltEntrySize = 4;
168 ipltEntrySize = 16;
169
170 needsThunks = true;
171
172 tlsModuleIndexRel = R_PPC_DTPMOD32;
173 tlsOffsetRel = R_PPC_DTPREL32;
174 tlsGotRel = R_PPC_TPREL32;
175
176 defaultMaxPageSize = 65536;
177 defaultImageBase = 0x10000000;
178
179 write32(ctx, p: trapInstr.data(), v: 0x7fe00008);
180}
181
182void PPC::writeIplt(uint8_t *buf, const Symbol &sym,
183 uint64_t /*pltEntryAddr*/) const {
184 // In -pie or -shared mode, assume r30 points to .got2+0x8000, and use a
185 // .got2.plt_pic32. thunk.
186 writePPC32PltCallStub(ctx, buf, gotPltVA: sym.getGotPltVA(ctx), file: sym.file, addend: 0x8000);
187}
188
189void PPC::writeGotHeader(uint8_t *buf) const {
190 // _GLOBAL_OFFSET_TABLE_[0] = _DYNAMIC
191 // glibc stores _dl_runtime_resolve in _GLOBAL_OFFSET_TABLE_[1],
192 // link_map in _GLOBAL_OFFSET_TABLE_[2].
193 write32(ctx, p: buf, v: ctx.mainPart->dynamic->getVA());
194}
195
196void PPC::writeGotPlt(uint8_t *buf, const Symbol &s) const {
197 // Address of the symbol resolver stub in .glink .
198 write32(ctx, p: buf,
199 v: ctx.in.plt->getVA() + ctx.in.plt->headerSize + 4 * s.getPltIdx(ctx));
200}
201
202bool PPC::needsThunk(RelExpr expr, RelType type, const InputFile *file,
203 uint64_t branchAddr, const Symbol &s, int64_t a) const {
204 if (type != R_PPC_LOCAL24PC && type != R_PPC_REL24 && type != R_PPC_PLTREL24)
205 return false;
206 if (s.isInPlt(ctx))
207 return true;
208 if (s.isUndefWeak())
209 return false;
210 return !PPC::inBranchRange(type, src: branchAddr, dst: s.getVA(ctx, addend: a));
211}
212
213uint32_t PPC::getThunkSectionSpacing() const { return 0x2000000; }
214
215bool PPC::inBranchRange(RelType type, uint64_t src, uint64_t dst) const {
216 uint64_t offset = dst - src;
217 if (type == R_PPC_LOCAL24PC || type == R_PPC_REL24 || type == R_PPC_PLTREL24)
218 return isInt<26>(x: offset);
219 llvm_unreachable("unsupported relocation type used in branch");
220}
221
222RelExpr PPC::getRelExpr(RelType type, const Symbol &s,
223 const uint8_t *loc) const {
224 switch (type) {
225 case R_PPC_NONE:
226 return R_NONE;
227 case R_PPC_ADDR16_HA:
228 case R_PPC_ADDR16_HI:
229 case R_PPC_ADDR16_LO:
230 case R_PPC_ADDR24:
231 case R_PPC_ADDR32:
232 return R_ABS;
233 case R_PPC_DTPREL16:
234 case R_PPC_DTPREL16_HA:
235 case R_PPC_DTPREL16_HI:
236 case R_PPC_DTPREL16_LO:
237 case R_PPC_DTPREL32:
238 return R_DTPREL;
239 case R_PPC_REL14:
240 case R_PPC_REL32:
241 case R_PPC_REL16_LO:
242 case R_PPC_REL16_HI:
243 case R_PPC_REL16_HA:
244 return R_PC;
245 case R_PPC_GOT16:
246 return R_GOT_OFF;
247 case R_PPC_LOCAL24PC:
248 case R_PPC_REL24:
249 return R_PLT_PC;
250 case R_PPC_PLTREL24:
251 return RE_PPC32_PLTREL;
252 case R_PPC_GOT_TLSGD16:
253 return R_TLSGD_GOT;
254 case R_PPC_GOT_TLSLD16:
255 return R_TLSLD_GOT;
256 case R_PPC_GOT_TPREL16:
257 return R_GOT_OFF;
258 case R_PPC_TLS:
259 return R_TLSIE_HINT;
260 case R_PPC_TLSGD:
261 return R_TLSDESC_CALL;
262 case R_PPC_TLSLD:
263 return R_TLSLD_HINT;
264 case R_PPC_TPREL16:
265 case R_PPC_TPREL16_HA:
266 case R_PPC_TPREL16_LO:
267 case R_PPC_TPREL16_HI:
268 return R_TPREL;
269 default:
270 Err(ctx) << getErrorLoc(ctx, loc) << "unknown relocation (" << type.v
271 << ") against symbol " << &s;
272 return R_NONE;
273 }
274}
275
276RelType PPC::getDynRel(RelType type) const {
277 if (type == R_PPC_ADDR32)
278 return type;
279 return R_PPC_NONE;
280}
281
282int64_t PPC::getImplicitAddend(const uint8_t *buf, RelType type) const {
283 switch (type) {
284 case R_PPC_NONE:
285 case R_PPC_GLOB_DAT:
286 case R_PPC_JMP_SLOT:
287 return 0;
288 case R_PPC_ADDR32:
289 case R_PPC_REL32:
290 case R_PPC_RELATIVE:
291 case R_PPC_IRELATIVE:
292 case R_PPC_DTPMOD32:
293 case R_PPC_DTPREL32:
294 case R_PPC_TPREL32:
295 return SignExtend64<32>(x: read32(ctx, p: buf));
296 default:
297 InternalErr(ctx, buf) << "cannot read addend for relocation " << type;
298 return 0;
299 }
300}
301
302static std::pair<RelType, uint64_t> fromDTPREL(RelType type, uint64_t val) {
303 uint64_t dtpBiasedVal = val - 0x8000;
304 switch (type) {
305 case R_PPC_DTPREL16:
306 return {R_PPC64_ADDR16, dtpBiasedVal};
307 case R_PPC_DTPREL16_HA:
308 return {R_PPC_ADDR16_HA, dtpBiasedVal};
309 case R_PPC_DTPREL16_HI:
310 return {R_PPC_ADDR16_HI, dtpBiasedVal};
311 case R_PPC_DTPREL16_LO:
312 return {R_PPC_ADDR16_LO, dtpBiasedVal};
313 case R_PPC_DTPREL32:
314 return {R_PPC_ADDR32, dtpBiasedVal};
315 default:
316 return {type, val};
317 }
318}
319
320void PPC::relocate(uint8_t *loc, const Relocation &rel, uint64_t val) const {
321 RelType newType;
322 std::tie(args&: newType, args&: val) = fromDTPREL(type: rel.type, val);
323 switch (newType) {
324 case R_PPC_ADDR16:
325 checkIntUInt(ctx, loc, v: val, n: 16, rel);
326 write16(ctx, p: loc, v: val);
327 break;
328 case R_PPC_GOT16:
329 case R_PPC_GOT_TLSGD16:
330 case R_PPC_GOT_TLSLD16:
331 case R_PPC_GOT_TPREL16:
332 case R_PPC_TPREL16:
333 checkInt(ctx, loc, v: val, n: 16, rel);
334 write16(ctx, p: loc, v: val);
335 break;
336 case R_PPC_ADDR16_HA:
337 case R_PPC_DTPREL16_HA:
338 case R_PPC_GOT_TLSGD16_HA:
339 case R_PPC_GOT_TLSLD16_HA:
340 case R_PPC_GOT_TPREL16_HA:
341 case R_PPC_REL16_HA:
342 case R_PPC_TPREL16_HA:
343 write16(ctx, p: loc, v: ha(v: val));
344 break;
345 case R_PPC_ADDR16_HI:
346 case R_PPC_DTPREL16_HI:
347 case R_PPC_GOT_TLSGD16_HI:
348 case R_PPC_GOT_TLSLD16_HI:
349 case R_PPC_GOT_TPREL16_HI:
350 case R_PPC_REL16_HI:
351 case R_PPC_TPREL16_HI:
352 write16(ctx, p: loc, v: val >> 16);
353 break;
354 case R_PPC_ADDR16_LO:
355 case R_PPC_DTPREL16_LO:
356 case R_PPC_GOT_TLSGD16_LO:
357 case R_PPC_GOT_TLSLD16_LO:
358 case R_PPC_GOT_TPREL16_LO:
359 case R_PPC_REL16_LO:
360 case R_PPC_TPREL16_LO:
361 write16(ctx, p: loc, v: val);
362 break;
363 case R_PPC_ADDR32:
364 case R_PPC_REL32:
365 write32(ctx, p: loc, v: val);
366 break;
367 case R_PPC_REL14: {
368 uint32_t mask = 0x0000FFFC;
369 checkInt(ctx, loc, v: val, n: 16, rel);
370 checkAlignment(ctx, loc, v: val, n: 4, rel);
371 write32(ctx, p: loc, v: (read32(ctx, p: loc) & ~mask) | (val & mask));
372 break;
373 }
374 case R_PPC_ADDR24:
375 case R_PPC_REL24:
376 case R_PPC_LOCAL24PC:
377 case R_PPC_PLTREL24: {
378 uint32_t mask = 0x03FFFFFC;
379 checkInt(ctx, loc, v: val, n: 26, rel);
380 checkAlignment(ctx, loc, v: val, n: 4, rel);
381 write32(ctx, p: loc, v: (read32(ctx, p: loc) & ~mask) | (val & mask));
382 break;
383 }
384 default:
385 llvm_unreachable("unknown relocation");
386 }
387}
388
389RelExpr PPC::adjustTlsExpr(RelType type, RelExpr expr) const {
390 if (expr == R_RELAX_TLS_GD_TO_IE)
391 return R_RELAX_TLS_GD_TO_IE_GOT_OFF;
392 if (expr == R_RELAX_TLS_LD_TO_LE)
393 return R_RELAX_TLS_LD_TO_LE_ABS;
394 return expr;
395}
396
397int PPC::getTlsGdRelaxSkip(RelType type) const {
398 // A __tls_get_addr call instruction is marked with 2 relocations:
399 //
400 // R_PPC_TLSGD / R_PPC_TLSLD: marker relocation
401 // R_PPC_REL24: __tls_get_addr
402 //
403 // After the relaxation we no longer call __tls_get_addr and should skip both
404 // relocations to not create a false dependence on __tls_get_addr being
405 // defined.
406 if (type == R_PPC_TLSGD || type == R_PPC_TLSLD)
407 return 2;
408 return 1;
409}
410
411void PPC::relaxTlsGdToIe(uint8_t *loc, const Relocation &rel,
412 uint64_t val) const {
413 switch (rel.type) {
414 case R_PPC_GOT_TLSGD16: {
415 // addi rT, rA, x@got@tlsgd --> lwz rT, x@got@tprel(rA)
416 uint32_t insn = readFromHalf16(ctx, loc);
417 writeFromHalf16(ctx, loc, insn: 0x80000000 | (insn & 0x03ff0000));
418 relocateNoSym(loc, type: R_PPC_GOT_TPREL16, val);
419 break;
420 }
421 case R_PPC_TLSGD:
422 // bl __tls_get_addr(x@tldgd) --> add r3, r3, r2
423 write32(ctx, p: loc, v: 0x7c631214);
424 break;
425 default:
426 llvm_unreachable("unsupported relocation for TLS GD to IE relaxation");
427 }
428}
429
430void PPC::relaxTlsGdToLe(uint8_t *loc, const Relocation &rel,
431 uint64_t val) const {
432 switch (rel.type) {
433 case R_PPC_GOT_TLSGD16:
434 // addi r3, r31, x@got@tlsgd --> addis r3, r2, x@tprel@ha
435 writeFromHalf16(ctx, loc, insn: 0x3c620000 | ha(v: val));
436 break;
437 case R_PPC_TLSGD:
438 // bl __tls_get_addr(x@tldgd) --> add r3, r3, x@tprel@l
439 write32(ctx, p: loc, v: 0x38630000 | lo(v: val));
440 break;
441 default:
442 llvm_unreachable("unsupported relocation for TLS GD to LE relaxation");
443 }
444}
445
446void PPC::relaxTlsLdToLe(uint8_t *loc, const Relocation &rel,
447 uint64_t val) const {
448 switch (rel.type) {
449 case R_PPC_GOT_TLSLD16:
450 // addi r3, rA, x@got@tlsgd --> addis r3, r2, 0
451 writeFromHalf16(ctx, loc, insn: 0x3c620000);
452 break;
453 case R_PPC_TLSLD:
454 // r3+x@dtprel computes r3+x-0x8000, while we want it to compute r3+x@tprel
455 // = r3+x-0x7000, so add 4096 to r3.
456 // bl __tls_get_addr(x@tlsld) --> addi r3, r3, 4096
457 write32(ctx, p: loc, v: 0x38631000);
458 break;
459 case R_PPC_DTPREL16:
460 case R_PPC_DTPREL16_HA:
461 case R_PPC_DTPREL16_HI:
462 case R_PPC_DTPREL16_LO:
463 relocate(loc, rel, val);
464 break;
465 default:
466 llvm_unreachable("unsupported relocation for TLS LD to LE relaxation");
467 }
468}
469
470void PPC::relaxTlsIeToLe(uint8_t *loc, const Relocation &rel,
471 uint64_t val) const {
472 switch (rel.type) {
473 case R_PPC_GOT_TPREL16: {
474 // lwz rT, x@got@tprel(rA) --> addis rT, r2, x@tprel@ha
475 uint32_t rt = readFromHalf16(ctx, loc) & 0x03e00000;
476 writeFromHalf16(ctx, loc, insn: 0x3c020000 | rt | ha(v: val));
477 break;
478 }
479 case R_PPC_TLS: {
480 uint32_t insn = read32(ctx, p: loc);
481 if (insn >> 26 != 31)
482 ErrAlways(ctx) << "unrecognized instruction for IE to LE R_PPC_TLS";
483 // addi rT, rT, x@tls --> addi rT, rT, x@tprel@l
484 unsigned secondaryOp = (read32(ctx, p: loc) & 0x000007fe) >> 1;
485 uint32_t dFormOp = getPPCDFormOp(secondaryOp);
486 if (dFormOp == 0) { // Expecting a DS-Form instruction.
487 dFormOp = getPPCDSFormOp(secondaryOp);
488 if (dFormOp == 0)
489 ErrAlways(ctx) << "unrecognized instruction for IE to LE R_PPC_TLS";
490 }
491 write32(ctx, p: loc, v: (dFormOp | (insn & 0x03ff0000) | lo(v: val)));
492 break;
493 }
494 default:
495 llvm_unreachable("unsupported relocation for TLS IE to LE relaxation");
496 }
497}
498
499void PPC::relocateAlloc(InputSectionBase &sec, uint8_t *buf) const {
500 uint64_t secAddr = sec.getOutputSection()->addr;
501 if (auto *s = dyn_cast<InputSection>(Val: &sec))
502 secAddr += s->outSecOff;
503 for (const Relocation &rel : sec.relocs()) {
504 uint8_t *loc = buf + rel.offset;
505 const uint64_t val =
506 SignExtend64(X: sec.getRelocTargetVA(ctx, r: rel, p: secAddr + rel.offset), B: 32);
507 switch (rel.expr) {
508 case R_RELAX_TLS_GD_TO_IE_GOT_OFF:
509 relaxTlsGdToIe(loc, rel, val);
510 break;
511 case R_RELAX_TLS_GD_TO_LE:
512 relaxTlsGdToLe(loc, rel, val);
513 break;
514 case R_RELAX_TLS_LD_TO_LE_ABS:
515 relaxTlsLdToLe(loc, rel, val);
516 break;
517 case R_RELAX_TLS_IE_TO_LE:
518 relaxTlsIeToLe(loc, rel, val);
519 break;
520 default:
521 relocate(loc, rel, val);
522 break;
523 }
524 }
525}
526
527void elf::setPPCTargetInfo(Ctx &ctx) { ctx.target.reset(p: new PPC(ctx)); }
528