1//===- llvm/BinaryFormat/ELF.cpp - The ELF format ---------------*- 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#include "llvm/BinaryFormat/ELF.h"
10#include "llvm/ADT/StringSwitch.h"
11
12using namespace llvm;
13using namespace ELF;
14
15/// Convert an architecture name into ELF's e_machine value.
16uint16_t ELF::convertArchNameToEMachine(StringRef Arch) {
17 std::string LowerArch = Arch.lower();
18 return StringSwitch<uint16_t>(LowerArch)
19 .Case(S: "none", Value: EM_NONE)
20 .Case(S: "m32", Value: EM_M32)
21 .Case(S: "sparc", Value: EM_SPARC)
22 .Case(S: "386", Value: EM_386)
23 .Case(S: "68k", Value: EM_68K)
24 .Case(S: "88k", Value: EM_88K)
25 .Case(S: "iamcu", Value: EM_IAMCU)
26 .Case(S: "860", Value: EM_860)
27 .Case(S: "mips", Value: EM_MIPS)
28 .Case(S: "s370", Value: EM_S370)
29 .Case(S: "mips_rs3_le", Value: EM_MIPS_RS3_LE)
30 .Case(S: "parisc", Value: EM_PARISC)
31 .Case(S: "vpp500", Value: EM_VPP500)
32 .Case(S: "sparc32plus", Value: EM_SPARC32PLUS)
33 .Case(S: "960", Value: EM_960)
34 .Case(S: "ppc", Value: EM_PPC)
35 .Case(S: "ppc64", Value: EM_PPC64)
36 .Case(S: "s390", Value: EM_S390)
37 .Case(S: "spu", Value: EM_SPU)
38 .Case(S: "v800", Value: EM_V800)
39 .Case(S: "fr20", Value: EM_FR20)
40 .Case(S: "rh32", Value: EM_RH32)
41 .Case(S: "rce", Value: EM_RCE)
42 .Case(S: "arm", Value: EM_ARM)
43 .Case(S: "alpha", Value: EM_ALPHA)
44 .Case(S: "sh", Value: EM_SH)
45 .Case(S: "sparcv9", Value: EM_SPARCV9)
46 .Case(S: "tricore", Value: EM_TRICORE)
47 .Case(S: "arc", Value: EM_ARC)
48 .Case(S: "h8_300", Value: EM_H8_300)
49 .Case(S: "h8_300h", Value: EM_H8_300H)
50 .Case(S: "h8s", Value: EM_H8S)
51 .Case(S: "h8_500", Value: EM_H8_500)
52 .Case(S: "ia_64", Value: EM_IA_64)
53 .Case(S: "mips_x", Value: EM_MIPS_X)
54 .Case(S: "coldfire", Value: EM_COLDFIRE)
55 .Case(S: "68hc12", Value: EM_68HC12)
56 .Case(S: "mma", Value: EM_MMA)
57 .Case(S: "pcp", Value: EM_PCP)
58 .Case(S: "ncpu", Value: EM_NCPU)
59 .Case(S: "ndr1", Value: EM_NDR1)
60 .Case(S: "starcore", Value: EM_STARCORE)
61 .Case(S: "me16", Value: EM_ME16)
62 .Case(S: "st100", Value: EM_ST100)
63 .Case(S: "tinyj", Value: EM_TINYJ)
64 .Case(S: "x86_64", Value: EM_X86_64)
65 .Case(S: "pdsp", Value: EM_PDSP)
66 .Case(S: "pdp10", Value: EM_PDP10)
67 .Case(S: "pdp11", Value: EM_PDP11)
68 .Case(S: "fx66", Value: EM_FX66)
69 .Case(S: "st9plus", Value: EM_ST9PLUS)
70 .Case(S: "st7", Value: EM_ST7)
71 .Case(S: "68hc16", Value: EM_68HC16)
72 .Case(S: "68hc11", Value: EM_68HC11)
73 .Case(S: "68hc08", Value: EM_68HC08)
74 .Case(S: "68hc05", Value: EM_68HC05)
75 .Case(S: "svx", Value: EM_SVX)
76 .Case(S: "st19", Value: EM_ST19)
77 .Case(S: "vax", Value: EM_VAX)
78 .Case(S: "cris", Value: EM_CRIS)
79 .Case(S: "javelin", Value: EM_JAVELIN)
80 .Case(S: "firepath", Value: EM_FIREPATH)
81 .Case(S: "zsp", Value: EM_ZSP)
82 .Case(S: "mmix", Value: EM_MMIX)
83 .Case(S: "huany", Value: EM_HUANY)
84 .Case(S: "prism", Value: EM_PRISM)
85 .Case(S: "avr", Value: EM_AVR)
86 .Case(S: "fr30", Value: EM_FR30)
87 .Case(S: "d10v", Value: EM_D10V)
88 .Case(S: "d30v", Value: EM_D30V)
89 .Case(S: "v850", Value: EM_V850)
90 .Case(S: "m32r", Value: EM_M32R)
91 .Case(S: "mn10300", Value: EM_MN10300)
92 .Case(S: "mn10200", Value: EM_MN10200)
93 .Case(S: "pj", Value: EM_PJ)
94 .Case(S: "openrisc", Value: EM_OPENRISC)
95 .Case(S: "arc_compact", Value: EM_ARC_COMPACT)
96 .Case(S: "xtensa", Value: EM_XTENSA)
97 .Case(S: "videocore", Value: EM_VIDEOCORE)
98 .Case(S: "tmm_gpp", Value: EM_TMM_GPP)
99 .Case(S: "ns32k", Value: EM_NS32K)
100 .Case(S: "tpc", Value: EM_TPC)
101 .Case(S: "snp1k", Value: EM_SNP1K)
102 .Case(S: "st200", Value: EM_ST200)
103 .Case(S: "ip2k", Value: EM_IP2K)
104 .Case(S: "max", Value: EM_MAX)
105 .Case(S: "cr", Value: EM_CR)
106 .Case(S: "f2mc16", Value: EM_F2MC16)
107 .Case(S: "msp430", Value: EM_MSP430)
108 .Case(S: "blackfin", Value: EM_BLACKFIN)
109 .Case(S: "se_c33", Value: EM_SE_C33)
110 .Case(S: "sep", Value: EM_SEP)
111 .Case(S: "arca", Value: EM_ARCA)
112 .Case(S: "unicore", Value: EM_UNICORE)
113 .Case(S: "excess", Value: EM_EXCESS)
114 .Case(S: "dxp", Value: EM_DXP)
115 .Case(S: "altera_nios2", Value: EM_ALTERA_NIOS2)
116 .Case(S: "crx", Value: EM_CRX)
117 .Case(S: "xgate", Value: EM_XGATE)
118 .Case(S: "c166", Value: EM_C166)
119 .Case(S: "m16c", Value: EM_M16C)
120 .Case(S: "dspic30f", Value: EM_DSPIC30F)
121 .Case(S: "ce", Value: EM_CE)
122 .Case(S: "m32c", Value: EM_M32C)
123 .Case(S: "tsk3000", Value: EM_TSK3000)
124 .Case(S: "rs08", Value: EM_RS08)
125 .Case(S: "sharc", Value: EM_SHARC)
126 .Case(S: "ecog2", Value: EM_ECOG2)
127 .Case(S: "score7", Value: EM_SCORE7)
128 .Case(S: "dsp24", Value: EM_DSP24)
129 .Case(S: "videocore3", Value: EM_VIDEOCORE3)
130 .Case(S: "latticemico32", Value: EM_LATTICEMICO32)
131 .Case(S: "se_c17", Value: EM_SE_C17)
132 .Case(S: "ti_c6000", Value: EM_TI_C6000)
133 .Case(S: "ti_c2000", Value: EM_TI_C2000)
134 .Case(S: "ti_c5500", Value: EM_TI_C5500)
135 .Case(S: "mmdsp_plus", Value: EM_MMDSP_PLUS)
136 .Case(S: "cypress_m8c", Value: EM_CYPRESS_M8C)
137 .Case(S: "r32c", Value: EM_R32C)
138 .Case(S: "trimedia", Value: EM_TRIMEDIA)
139 .Case(S: "hexagon", Value: EM_HEXAGON)
140 .Case(S: "8051", Value: EM_8051)
141 .Case(S: "stxp7x", Value: EM_STXP7X)
142 .Case(S: "nds32", Value: EM_NDS32)
143 .Case(S: "ecog1", Value: EM_ECOG1)
144 .Case(S: "ecog1x", Value: EM_ECOG1X)
145 .Case(S: "maxq30", Value: EM_MAXQ30)
146 .Case(S: "ximo16", Value: EM_XIMO16)
147 .Case(S: "manik", Value: EM_MANIK)
148 .Case(S: "craynv2", Value: EM_CRAYNV2)
149 .Case(S: "rx", Value: EM_RX)
150 .Case(S: "metag", Value: EM_METAG)
151 .Case(S: "mcst_elbrus", Value: EM_MCST_ELBRUS)
152 .Case(S: "ecog16", Value: EM_ECOG16)
153 .Case(S: "cr16", Value: EM_CR16)
154 .Case(S: "etpu", Value: EM_ETPU)
155 .Case(S: "sle9x", Value: EM_SLE9X)
156 .Case(S: "l10m", Value: EM_L10M)
157 .Case(S: "k10m", Value: EM_K10M)
158 .Case(S: "aarch64", Value: EM_AARCH64)
159 .Case(S: "avr32", Value: EM_AVR32)
160 .Case(S: "stm8", Value: EM_STM8)
161 .Case(S: "tile64", Value: EM_TILE64)
162 .Case(S: "tilepro", Value: EM_TILEPRO)
163 .Case(S: "cuda", Value: EM_CUDA)
164 .Case(S: "tilegx", Value: EM_TILEGX)
165 .Case(S: "cloudshield", Value: EM_CLOUDSHIELD)
166 .Case(S: "corea_1st", Value: EM_COREA_1ST)
167 .Case(S: "corea_2nd", Value: EM_COREA_2ND)
168 .Case(S: "arc_compact2", Value: EM_ARC_COMPACT2)
169 .Case(S: "open8", Value: EM_OPEN8)
170 .Case(S: "rl78", Value: EM_RL78)
171 .Case(S: "videocore5", Value: EM_VIDEOCORE5)
172 .Case(S: "78kor", Value: EM_78KOR)
173 .Case(S: "56800ex", Value: EM_56800EX)
174 .Case(S: "ba1", Value: EM_BA1)
175 .Case(S: "ba2", Value: EM_BA2)
176 .Case(S: "xcore", Value: EM_XCORE)
177 .Case(S: "mchp_pic", Value: EM_MCHP_PIC)
178 .Case(S: "intel205", Value: EM_INTEL205)
179 .Case(S: "intel206", Value: EM_INTEL206)
180 .Case(S: "intel207", Value: EM_INTEL207)
181 .Case(S: "intel208", Value: EM_INTEL208)
182 .Case(S: "intel209", Value: EM_INTEL209)
183 .Case(S: "km32", Value: EM_KM32)
184 .Case(S: "kmx32", Value: EM_KMX32)
185 .Case(S: "kmx16", Value: EM_KMX16)
186 .Case(S: "kmx8", Value: EM_KMX8)
187 .Case(S: "kvarc", Value: EM_KVARC)
188 .Case(S: "cdp", Value: EM_CDP)
189 .Case(S: "coge", Value: EM_COGE)
190 .Case(S: "cool", Value: EM_COOL)
191 .Case(S: "norc", Value: EM_NORC)
192 .Case(S: "csr_kalimba", Value: EM_CSR_KALIMBA)
193 .Case(S: "amdgpu", Value: EM_AMDGPU)
194 .Case(S: "riscv", Value: EM_RISCV)
195 .Case(S: "lanai", Value: EM_LANAI)
196 .Case(S: "bpf", Value: EM_BPF)
197 .Case(S: "ve", Value: EM_VE)
198 .Case(S: "csky", Value: EM_CSKY)
199 .Case(S: "loongarch", Value: EM_LOONGARCH)
200 .Default(Value: EM_NONE);
201}
202
203/// Convert an ELF's e_machine value into an architecture name.
204StringRef ELF::convertEMachineToArchName(uint16_t EMachine) {
205 switch (EMachine) {
206 case EM_NONE:
207 return "None";
208 case EM_M32:
209 return "m32";
210 case EM_SPARC:
211 return "sparc";
212 case EM_386:
213 return "386";
214 case EM_68K:
215 return "68k";
216 case EM_88K:
217 return "88k";
218 case EM_IAMCU:
219 return "iamcu";
220 case EM_860:
221 return "860";
222 case EM_MIPS:
223 return "mips";
224 case EM_S370:
225 return "s370";
226 case EM_MIPS_RS3_LE:
227 return "mips_rs3_le";
228 case EM_PARISC:
229 return "parisc";
230 case EM_VPP500:
231 return "vpp500";
232 case EM_SPARC32PLUS:
233 return "sparc32plus";
234 case EM_960:
235 return "960";
236 case EM_PPC:
237 return "ppc";
238 case EM_PPC64:
239 return "ppc64";
240 case EM_S390:
241 return "s390";
242 case EM_SPU:
243 return "spu";
244 case EM_V800:
245 return "v800";
246 case EM_FR20:
247 return "fr20";
248 case EM_RH32:
249 return "rh32";
250 case EM_RCE:
251 return "rce";
252 case EM_ARM:
253 return "arm";
254 case EM_ALPHA:
255 return "alpha";
256 case EM_SH:
257 return "sh";
258 case EM_SPARCV9:
259 return "sparcv9";
260 case EM_TRICORE:
261 return "tricore";
262 case EM_ARC:
263 return "arc";
264 case EM_H8_300:
265 return "h8_300";
266 case EM_H8_300H:
267 return "h8_300h";
268 case EM_H8S:
269 return "h8s";
270 case EM_H8_500:
271 return "h8_500";
272 case EM_IA_64:
273 return "ia_64";
274 case EM_MIPS_X:
275 return "mips_x";
276 case EM_COLDFIRE:
277 return "coldfire";
278 case EM_68HC12:
279 return "68hc12";
280 case EM_MMA:
281 return "mma";
282 case EM_PCP:
283 return "pcp";
284 case EM_NCPU:
285 return "ncpu";
286 case EM_NDR1:
287 return "ndr1";
288 case EM_STARCORE:
289 return "starcore";
290 case EM_ME16:
291 return "me16";
292 case EM_ST100:
293 return "st100";
294 case EM_TINYJ:
295 return "tinyj";
296 case EM_X86_64:
297 return "x86_64";
298 case EM_PDSP:
299 return "pdsp";
300 case EM_PDP10:
301 return "pdp10";
302 case EM_PDP11:
303 return "pdp11";
304 case EM_FX66:
305 return "fx66";
306 case EM_ST9PLUS:
307 return "st9plus";
308 case EM_ST7:
309 return "st7";
310 case EM_68HC16:
311 return "68hc16";
312 case EM_68HC11:
313 return "68hc11";
314 case EM_68HC08:
315 return "68hc08";
316 case EM_68HC05:
317 return "68hc05";
318 case EM_SVX:
319 return "svx";
320 case EM_ST19:
321 return "st19";
322 case EM_VAX:
323 return "vax";
324 case EM_CRIS:
325 return "cris";
326 case EM_JAVELIN:
327 return "javelin";
328 case EM_FIREPATH:
329 return "firepath";
330 case EM_ZSP:
331 return "zsp";
332 case EM_MMIX:
333 return "mmix";
334 case EM_HUANY:
335 return "huany";
336 case EM_PRISM:
337 return "prism";
338 case EM_AVR:
339 return "avr";
340 case EM_FR30:
341 return "fr30";
342 case EM_D10V:
343 return "d10v";
344 case EM_D30V:
345 return "d30v";
346 case EM_V850:
347 return "v850";
348 case EM_M32R:
349 return "m32r";
350 case EM_MN10300:
351 return "mn10300";
352 case EM_MN10200:
353 return "mn10200";
354 case EM_PJ:
355 return "pj";
356 case EM_OPENRISC:
357 return "openrisc";
358 case EM_ARC_COMPACT:
359 return "arc_compact";
360 case EM_XTENSA:
361 return "xtensa";
362 case EM_VIDEOCORE:
363 return "videocore";
364 case EM_TMM_GPP:
365 return "tmm_gpp";
366 case EM_NS32K:
367 return "ns32k";
368 case EM_TPC:
369 return "tpc";
370 case EM_SNP1K:
371 return "snp1k";
372 case EM_ST200:
373 return "st200";
374 case EM_IP2K:
375 return "ip2k";
376 case EM_MAX:
377 return "max";
378 case EM_CR:
379 return "cr";
380 case EM_F2MC16:
381 return "f2mc16";
382 case EM_MSP430:
383 return "msp430";
384 case EM_BLACKFIN:
385 return "blackfin";
386 case EM_SE_C33:
387 return "se_c33";
388 case EM_SEP:
389 return "sep";
390 case EM_ARCA:
391 return "arca";
392 case EM_UNICORE:
393 return "unicore";
394 case EM_EXCESS:
395 return "excess";
396 case EM_DXP:
397 return "dxp";
398 case EM_ALTERA_NIOS2:
399 return "altera_nios2";
400 case EM_CRX:
401 return "crx";
402 case EM_XGATE:
403 return "xgate";
404 case EM_C166:
405 return "c166";
406 case EM_M16C:
407 return "m16c";
408 case EM_DSPIC30F:
409 return "dspic30f";
410 case EM_CE:
411 return "ce";
412 case EM_M32C:
413 return "m32c";
414 case EM_TSK3000:
415 return "tsk3000";
416 case EM_RS08:
417 return "rs08";
418 case EM_SHARC:
419 return "sharc";
420 case EM_ECOG2:
421 return "ecog2";
422 case EM_SCORE7:
423 return "score7";
424 case EM_DSP24:
425 return "dsp24";
426 case EM_VIDEOCORE3:
427 return "videocore3";
428 case EM_LATTICEMICO32:
429 return "latticemico32";
430 case EM_SE_C17:
431 return "se_c17";
432 case EM_TI_C6000:
433 return "ti_c6000";
434 case EM_TI_C2000:
435 return "ti_c2000";
436 case EM_TI_C5500:
437 return "ti_c5500";
438 case EM_MMDSP_PLUS:
439 return "mmdsp_plus";
440 case EM_CYPRESS_M8C:
441 return "cypress_m8c";
442 case EM_R32C:
443 return "r32c";
444 case EM_TRIMEDIA:
445 return "trimedia";
446 case EM_HEXAGON:
447 return "hexagon";
448 case EM_8051:
449 return "8051";
450 case EM_STXP7X:
451 return "stxp7x";
452 case EM_NDS32:
453 return "nds32";
454 case EM_ECOG1:
455 return "ecog1";
456 case EM_MAXQ30:
457 return "maxq30";
458 case EM_XIMO16:
459 return "ximo16";
460 case EM_MANIK:
461 return "manik";
462 case EM_CRAYNV2:
463 return "craynv2";
464 case EM_RX:
465 return "rx";
466 case EM_METAG:
467 return "metag";
468 case EM_MCST_ELBRUS:
469 return "mcst_elbrus";
470 case EM_ECOG16:
471 return "ecog16";
472 case EM_CR16:
473 return "cr16";
474 case EM_ETPU:
475 return "etpu";
476 case EM_SLE9X:
477 return "sle9x";
478 case EM_L10M:
479 return "l10m";
480 case EM_K10M:
481 return "k10m";
482 case EM_AARCH64:
483 return "AArch64";
484 case EM_AVR32:
485 return "avr32";
486 case EM_STM8:
487 return "stm8";
488 case EM_TILE64:
489 return "tile64";
490 case EM_TILEPRO:
491 return "tilepro";
492 case EM_CUDA:
493 return "cuda";
494 case EM_TILEGX:
495 return "tilegx";
496 case EM_CLOUDSHIELD:
497 return "cloudshield";
498 case EM_COREA_1ST:
499 return "corea_1st";
500 case EM_COREA_2ND:
501 return "corea_2nd";
502 case EM_ARC_COMPACT2:
503 return "arc_compact2";
504 case EM_OPEN8:
505 return "open8";
506 case EM_RL78:
507 return "rl78";
508 case EM_VIDEOCORE5:
509 return "videocore5";
510 case EM_78KOR:
511 return "78kor";
512 case EM_56800EX:
513 return "56800ex";
514 case EM_BA1:
515 return "ba1";
516 case EM_BA2:
517 return "ba2";
518 case EM_XCORE:
519 return "xcore";
520 case EM_MCHP_PIC:
521 return "mchp_pic";
522 case EM_INTEL205:
523 return "intel205";
524 case EM_INTEL206:
525 return "intel206";
526 case EM_INTEL207:
527 return "intel207";
528 case EM_INTEL208:
529 return "intel208";
530 case EM_INTEL209:
531 return "intel209";
532 case EM_KM32:
533 return "km32";
534 case EM_KMX32:
535 return "kmx32";
536 case EM_KMX16:
537 return "kmx16";
538 case EM_KMX8:
539 return "kmx8";
540 case EM_KVARC:
541 return "kvarc";
542 case EM_CDP:
543 return "cdp";
544 case EM_COGE:
545 return "coge";
546 case EM_COOL:
547 return "cool";
548 case EM_NORC:
549 return "norc";
550 case EM_CSR_KALIMBA:
551 return "csr_kalimba";
552 case EM_AMDGPU:
553 return "amdgpu";
554 case EM_RISCV:
555 return "riscv";
556 case EM_LANAI:
557 return "lanai";
558 case EM_BPF:
559 return "bpf";
560 case EM_VE:
561 return "ve";
562 case EM_CSKY:
563 return "csky";
564 case EM_LOONGARCH:
565 return "loongarch";
566 default:
567 return "None";
568 }
569}
570
571uint8_t ELF::convertOSToOSAbi(StringRef OS) {
572 std::string LowerOS = OS.lower();
573 return StringSwitch<uint16_t>(LowerOS)
574 .StartsWith(S: "hpux", Value: ELFOSABI_HPUX)
575 .StartsWith(S: "netbsd", Value: ELFOSABI_NETBSD)
576 .StartsWith(S: "linux", Value: ELFOSABI_LINUX)
577 .StartsWith(S: "hurd", Value: ELFOSABI_HURD)
578 .StartsWith(S: "solaris", Value: ELFOSABI_SOLARIS)
579 .StartsWith(S: "aix", Value: ELFOSABI_AIX)
580 .StartsWith(S: "irix", Value: ELFOSABI_IRIX)
581 .StartsWith(S: "freebsd", Value: ELFOSABI_FREEBSD)
582 .StartsWith(S: "tru64", Value: ELFOSABI_TRU64)
583 .StartsWith(S: "modesto", Value: ELFOSABI_MODESTO)
584 .StartsWith(S: "openbsd", Value: ELFOSABI_OPENBSD)
585 .StartsWith(S: "openvms", Value: ELFOSABI_OPENVMS)
586 .StartsWith(S: "nsk", Value: ELFOSABI_NSK)
587 .StartsWith(S: "aros", Value: ELFOSABI_AROS)
588 .StartsWith(S: "fenixos", Value: ELFOSABI_FENIXOS)
589 .StartsWith(S: "cloudabi", Value: ELFOSABI_CLOUDABI)
590 .StartsWith(S: "cuda", Value: ELFOSABI_CUDA)
591 .StartsWith(S: "amdhsa", Value: ELFOSABI_AMDGPU_HSA)
592 .StartsWith(S: "amdpal", Value: ELFOSABI_AMDGPU_PAL)
593 .StartsWith(S: "mesa3d", Value: ELFOSABI_AMDGPU_MESA3D)
594 .StartsWith(S: "arm", Value: ELFOSABI_ARM)
595 .StartsWith(S: "standalone", Value: ELFOSABI_STANDALONE)
596 .StartsWith(S: "none", Value: ELFOSABI_NONE)
597 .Default(Value: ELFOSABI_NONE);
598}
599
600StringRef ELF::convertOSAbiToOS(uint8_t OSAbi) {
601 switch (OSAbi) {
602 case ELFOSABI_HPUX:
603 return "hpux";
604 case ELFOSABI_NETBSD:
605 return "netbsd";
606 case ELFOSABI_LINUX:
607 return "linux";
608 case ELFOSABI_HURD:
609 return "hurd";
610 case ELFOSABI_SOLARIS:
611 return "solaris";
612 case ELFOSABI_AIX:
613 return "aix";
614 case ELFOSABI_IRIX:
615 return "irix";
616 case ELFOSABI_FREEBSD:
617 return "freebsd";
618 case ELFOSABI_TRU64:
619 return "tru64";
620 case ELFOSABI_MODESTO:
621 return "modesto";
622 case ELFOSABI_OPENBSD:
623 return "openbsd";
624 case ELFOSABI_OPENVMS:
625 return "openvms";
626 case ELFOSABI_NSK:
627 return "nsk";
628 case ELFOSABI_AROS:
629 return "aros";
630 case ELFOSABI_FENIXOS:
631 return "fenixos";
632 case ELFOSABI_CLOUDABI:
633 return "cloudabi";
634 case ELFOSABI_CUDA:
635 return "cuda";
636 case ELFOSABI_AMDGPU_HSA:
637 return "amdhsa";
638 case ELFOSABI_AMDGPU_PAL:
639 return "amdpal";
640 case ELFOSABI_AMDGPU_MESA3D:
641 return "mesa3d";
642 case ELFOSABI_ARM:
643 return "arm";
644 case ELFOSABI_STANDALONE:
645 return "standalone";
646 default:
647 return "none";
648 }
649}
650

source code of llvm/lib/BinaryFormat/ELF.cpp