LLVM 17.0.0git
XCOFF.h
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1//===-- llvm/BinaryFormat/XCOFF.h - The XCOFF file 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// This file defines manifest constants for the XCOFF object file format.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_BINARYFORMAT_XCOFF_H
14#define LLVM_BINARYFORMAT_XCOFF_H
15
16#include <stddef.h>
17#include <stdint.h>
18
19namespace llvm {
20class StringRef;
21template <unsigned> class SmallString;
22template <typename T> class Expected;
23
24namespace XCOFF {
25
26// Constants used in the XCOFF definition.
27
28constexpr size_t FileNamePadSize = 6;
29constexpr size_t NameSize = 8;
30constexpr size_t FileHeaderSize32 = 20;
31constexpr size_t FileHeaderSize64 = 24;
32constexpr size_t AuxFileHeaderSize32 = 72;
33constexpr size_t AuxFileHeaderSize64 = 110;
34constexpr size_t AuxFileHeaderSizeShort = 28;
35constexpr size_t SectionHeaderSize32 = 40;
36constexpr size_t SectionHeaderSize64 = 72;
37constexpr size_t SymbolTableEntrySize = 18;
38constexpr size_t RelocationSerializationSize32 = 10;
39constexpr size_t RelocationSerializationSize64 = 14;
40constexpr size_t ExceptionSectionEntrySize32 = 6;
41constexpr size_t ExceptionSectionEntrySize64 = 10;
42constexpr uint16_t RelocOverflow = 65535;
43constexpr uint8_t AllocRegNo = 31;
44
45enum ReservedSectionNum : int16_t { N_DEBUG = -2, N_ABS = -1, N_UNDEF = 0 };
46
47enum MagicNumber : uint16_t { XCOFF32 = 0x01DF, XCOFF64 = 0x01F7 };
48
49// Masks for packing/unpacking the r_rsize field of relocations.
50
51// The msb is used to indicate if the bits being relocated are signed or
52// unsigned.
53static constexpr uint8_t XR_SIGN_INDICATOR_MASK = 0x80;
54// The 2nd msb is used to indicate that the binder has replaced/modified the
55// original instruction.
56static constexpr uint8_t XR_FIXUP_INDICATOR_MASK = 0x40;
57// The remaining bits specify the bit length of the relocatable reference
58// minus one.
59static constexpr uint8_t XR_BIASED_LENGTH_MASK = 0x3f;
60
61// This field only exists in the XCOFF64 definition.
63 SHR_SYMTAB = 0x8000, ///< At exec time, create shared symbol table for program
64 ///< (main program only).
65 FORK_POLICY = 0x4000, ///< Forktree policy specified (main program only).
66 FORK_COR = 0x2000 ///< If _AOUT_FORK_POLICY is set, specify copy-on-reference
67 ///< if this bit is set. Specify copy-on- write otherwise.
68 ///< If _AOUT_FORK_POLICY is 0, this bit is reserved for
69 ///< future use and should be set to 0.
70};
71
75};
76
78 F_RELFLG = 0x0001, ///< relocation info stripped from file
79 F_EXEC = 0x0002, ///< file is executable (i.e., it
80 ///< has a loader section)
81 F_LNNO = 0x0004, ///< line numbers stripped from file
82 F_LSYMS = 0x0008, ///< local symbols stripped from file
83 F_FDPR_PROF = 0x0010, ///< file was profiled with FDPR
84 F_FDPR_OPTI = 0x0020, ///< file was reordered with FDPR
85 F_DSA = 0x0040, ///< file uses Dynamic Segment Allocation (32-bit
86 ///< only)
87 F_DEP_1 = 0x0080, ///< Data Execution Protection bit 1
88 F_VARPG = 0x0100, ///< executable requests using variable size pages
89 F_LPTEXT = 0x0400, ///< executable requires large pages for text
90 F_LPDATA = 0x0800, ///< executable requires large pages for data
91 F_DYNLOAD = 0x1000, ///< file is dynamically loadable and
92 ///< executable (equivalent to F_EXEC on AIX)
93 F_SHROBJ = 0x2000, ///< file is a shared object
95 0x4000, ///< file can be loaded by the system loader, but it is
96 ///< ignored by the linker if it is a member of an archive.
97 F_DEP_2 = 0x8000 ///< Data Execution Protection bit 2
98};
99
100// x_smclas field of x_csect from system header: /usr/include/syms.h
101/// Storage Mapping Class definitions.
102enum StorageMappingClass : uint8_t {
103 // READ ONLY CLASSES
104 XMC_PR = 0, ///< Program Code
105 XMC_RO = 1, ///< Read Only Constant
106 XMC_DB = 2, ///< Debug Dictionary Table
107 XMC_GL = 6, ///< Global Linkage (Interfile Interface Code)
108 XMC_XO = 7, ///< Extended Operation (Pseudo Machine Instruction)
109 XMC_SV = 8, ///< Supervisor Call (32-bit process only)
110 XMC_SV64 = 17, ///< Supervisor Call for 64-bit process
111 XMC_SV3264 = 18, ///< Supervisor Call for both 32- and 64-bit processes
112 XMC_TI = 12, ///< Traceback Index csect
113 XMC_TB = 13, ///< Traceback Table csect
114
115 // READ WRITE CLASSES
116 XMC_RW = 5, ///< Read Write Data
117 XMC_TC0 = 15, ///< TOC Anchor for TOC Addressability
118 XMC_TC = 3, ///< General TOC item
119 XMC_TD = 16, ///< Scalar data item in the TOC
120 XMC_DS = 10, ///< Descriptor csect
121 XMC_UA = 4, ///< Unclassified - Treated as Read Write
122 XMC_BS = 9, ///< BSS class (uninitialized static internal)
123 XMC_UC = 11, ///< Un-named Fortran Common
124
125 XMC_TL = 20, ///< Initialized thread-local variable
126 XMC_UL = 21, ///< Uninitialized thread-local variable
127 XMC_TE = 22 ///< Symbol mapped at the end of TOC
129
130// Flags for defining the section type. Masks for use with the (signed, 32-bit)
131// s_flags field of the section header structure, selecting for values in the
132// lower 16 bits. Defined in the system header `scnhdr.h`.
133enum SectionTypeFlags : int32_t {
134 STYP_PAD = 0x0008,
135 STYP_DWARF = 0x0010,
136 STYP_TEXT = 0x0020,
137 STYP_DATA = 0x0040,
138 STYP_BSS = 0x0080,
139 STYP_EXCEPT = 0x0100,
140 STYP_INFO = 0x0200,
141 STYP_TDATA = 0x0400,
142 STYP_TBSS = 0x0800,
143 STYP_LOADER = 0x1000,
144 STYP_DEBUG = 0x2000,
145 STYP_TYPCHK = 0x4000,
146 STYP_OVRFLO = 0x8000
148
149/// Values for defining the section subtype of sections of type STYP_DWARF as
150/// they would appear in the (signed, 32-bit) s_flags field of the section
151/// header structure, contributing to the 16 most significant bits. Defined in
152/// the system header `scnhdr.h`.
154 SSUBTYP_DWINFO = 0x1'0000, ///< DWARF info section
155 SSUBTYP_DWLINE = 0x2'0000, ///< DWARF line section
156 SSUBTYP_DWPBNMS = 0x3'0000, ///< DWARF pubnames section
157 SSUBTYP_DWPBTYP = 0x4'0000, ///< DWARF pubtypes section
158 SSUBTYP_DWARNGE = 0x5'0000, ///< DWARF aranges section
159 SSUBTYP_DWABREV = 0x6'0000, ///< DWARF abbrev section
160 SSUBTYP_DWSTR = 0x7'0000, ///< DWARF str section
161 SSUBTYP_DWRNGES = 0x8'0000, ///< DWARF ranges section
162 SSUBTYP_DWLOC = 0x9'0000, ///< DWARF loc section
163 SSUBTYP_DWFRAME = 0xA'0000, ///< DWARF frame section
164 SSUBTYP_DWMAC = 0xB'0000 ///< DWARF macinfo section
166
167// STORAGE CLASSES, n_sclass field of syment.
168// The values come from `storclass.h` and `dbxstclass.h`.
169enum StorageClass : uint8_t {
170 // Storage classes used for symbolic debugging symbols.
171 C_FILE = 103, // File name
172 C_BINCL = 108, // Beginning of include file
173 C_EINCL = 109, // Ending of include file
174 C_GSYM = 128, // Global variable
175 C_STSYM = 133, // Statically allocated symbol
176 C_BCOMM = 135, // Beginning of common block
177 C_ECOMM = 137, // End of common block
178 C_ENTRY = 141, // Alternate entry
179 C_BSTAT = 143, // Beginning of static block
180 C_ESTAT = 144, // End of static block
181 C_GTLS = 145, // Global thread-local variable
182 C_STTLS = 146, // Static thread-local variable
183
184 // Storage classes used for DWARF symbols.
185 C_DWARF = 112, // DWARF section symbol
186
187 // Storage classes used for absolute symbols.
188 C_LSYM = 129, // Automatic variable allocated on stack
189 C_PSYM = 130, // Argument to subroutine allocated on stack
190 C_RSYM = 131, // Register variable
191 C_RPSYM = 132, // Argument to function or procedure stored in register
192 C_ECOML = 136, // Local member of common block
193 C_FUN = 142, // Function or procedure
194
195 // Storage classes used for undefined external symbols or
196 // symbols of general sections.
197 C_EXT = 2, // External symbol
198 C_WEAKEXT = 111, // Weak external symbol
199
200 // Storage classes used for symbols of general sections.
202 C_STAT = 3, // Static
203 C_BLOCK = 100, // ".bb" or ".eb"
204 C_FCN = 101, // ".bf" or ".ef"
205 C_HIDEXT = 107, // Un-named external symbol
206 C_INFO = 110, // Comment string in .info section
207 C_DECL = 140, // Declaration of object (type)
208
209 // Storage classes - Obsolete/Undocumented.
210 C_AUTO = 1, // Automatic variable
211 C_REG = 4, // Register variable
212 C_EXTDEF = 5, // External definition
213 C_LABEL = 6, // Label
214 C_ULABEL = 7, // Undefined label
215 C_MOS = 8, // Member of structure
216 C_ARG = 9, // Function argument
217 C_STRTAG = 10, // Structure tag
218 C_MOU = 11, // Member of union
219 C_UNTAG = 12, // Union tag
220 C_TPDEF = 13, // Type definition
221 C_USTATIC = 14, // Undefined static
222 C_ENTAG = 15, // Enumeration tag
223 C_MOE = 16, // Member of enumeration
224 C_REGPARM = 17, // Register parameter
225 C_FIELD = 18, // Bit field
226 C_EOS = 102, // End of structure
227 C_LINE = 104,
228 C_ALIAS = 105, // Duplicate tag
229 C_HIDDEN = 106, // Special storage class for external
230 C_EFCN = 255, // Physical end of function
231
232 // Storage classes - reserved
233 C_TCSYM = 134 // Reserved
235
236// Flags for defining the symbol type. Values to be encoded into the lower 3
237// bits of the (unsigned, 8-bit) x_smtyp field of csect auxiliary symbol table
238// entries. Defined in the system header `syms.h`.
239enum SymbolType : uint8_t {
240 XTY_ER = 0, ///< External reference.
241 XTY_SD = 1, ///< Csect definition for initialized storage.
242 XTY_LD = 2, ///< Label definition.
243 ///< Defines an entry point to an initialized csect.
244 XTY_CM = 3 ///< Common csect definition. For uninitialized storage.
246
247/// Values for visibility as they would appear when encoded in the high 4 bits
248/// of the 16-bit unsigned n_type field of symbol table entries. Valid for
249/// 32-bit XCOFF only when the vstamp in the auxiliary header is greater than 1.
253 SYM_V_HIDDEN = 0x2000,
255 SYM_V_EXPORTED = 0x4000
257
258constexpr uint16_t VISIBILITY_MASK = 0x7000;
259
260// Relocation types, defined in `/usr/include/reloc.h`.
261enum RelocationType : uint8_t {
262 R_POS = 0x00, ///< Positive relocation. Provides the address of the referenced
263 ///< symbol.
264 R_RL = 0x0c, ///< Positive indirect load relocation. Modifiable instruction.
265 R_RLA = 0x0d, ///< Positive load address relocation. Modifiable instruction.
266
267 R_NEG = 0x01, ///< Negative relocation. Provides the negative of the address
268 ///< of the referenced symbol.
269 R_REL = 0x02, ///< Relative to self relocation. Provides a displacement value
270 ///< between the address of the referenced symbol and the
271 ///< address being relocated.
272
273 R_TOC = 0x03, ///< Relative to the TOC relocation. Provides a displacement
274 ///< that is the difference between the address of the
275 ///< referenced symbol and the TOC anchor csect.
276 R_TRL = 0x12, ///< TOC relative indirect load relocation. Similar to R_TOC,
277 ///< but not modifiable instruction.
278
279 R_TRLA =
280 0x13, ///< Relative to the TOC or to the thread-local storage base
281 ///< relocation. Compilers are not permitted to generate this
282 ///< relocation type. It is the result of a reversible
283 ///< transformation by the linker of an R_TOC relation that turned a
284 ///< load instruction into an add-immediate instruction.
285
286 R_GL = 0x05, ///< Global linkage-external TOC address relocation. Provides the
287 ///< address of the external TOC associated with a defined
288 ///< external symbol.
289 R_TCL = 0x06, ///< Local object TOC address relocation. Provides the address
290 ///< of the local TOC entry of a defined external symbol.
291
292 R_REF = 0x0f, ///< A non-relocating relocation. Used to prevent the binder
293 ///< from garbage collecting a csect (such as code used for
294 ///< dynamic initialization of non-local statics) for which
295 ///< another csect has an implicit dependency.
296
297 R_BA = 0x08, ///< Branch absolute relocation. Provides the address of the
298 ///< referenced symbol. References a non-modifiable instruction.
299 R_BR = 0x0a, ///< Branch relative to self relocation. Provides the
300 ///< displacement that is the difference between the address of
301 ///< the referenced symbol and the address of the referenced
302 ///< branch instruction. References a non-modifiable instruction.
303 R_RBA = 0x18, ///< Branch absolute relocation. Similar to R_BA but
304 ///< references a modifiable instruction.
305 R_RBR = 0x1a, ///< Branch relative to self relocation. Similar to the R_BR
306 ///< relocation type, but references a modifiable instruction.
307
308 R_TLS = 0x20, ///< General-dynamic reference to TLS symbol.
309 R_TLS_IE = 0x21, ///< Initial-exec reference to TLS symbol.
310 R_TLS_LD = 0x22, ///< Local-dynamic reference to TLS symbol.
311 R_TLS_LE = 0x23, ///< Local-exec reference to TLS symbol.
312 R_TLSM = 0x24, ///< Module reference to TLS. Provides a handle for the module
313 ///< containing the referenced symbol.
314 R_TLSML = 0x25, ///< Module reference to the local TLS storage.
315
316 R_TOCU = 0x30, ///< Relative to TOC upper. Specifies the high-order 16 bits of
317 ///< a large code model TOC-relative relocation.
318 R_TOCL = 0x31 ///< Relative to TOC lower. Specifies the low-order 16 bits of a
319 ///< large code model TOC-relative relocation.
321
322enum CFileStringType : uint8_t {
323 XFT_FN = 0, ///< Specifies the source-file name.
324 XFT_CT = 1, ///< Specifies the compiler time stamp.
325 XFT_CV = 2, ///< Specifies the compiler version number.
326 XFT_CD = 128 ///< Specifies compiler-defined information.
328
329enum CFileLangId : uint8_t {
330 TB_C = 0, ///< C language.
331 TB_CPLUSPLUS = 9 ///< C++ language.
333
334enum CFileCpuId : uint8_t {
335 TCPU_PPC64 = 2, ///< PowerPC common architecture 64-bit mode.
336 TCPU_COM = 3, ///< POWER and PowerPC architecture common.
337 TCPU_970 = 19 ///< PPC970 - PowerPC 64-bit architecture.
339
340enum SymbolAuxType : uint8_t {
341 AUX_EXCEPT = 255, ///< Identifies an exception auxiliary entry.
342 AUX_FCN = 254, ///< Identifies a function auxiliary entry.
343 AUX_SYM = 253, ///< Identifies a symbol auxiliary entry.
344 AUX_FILE = 252, ///< Identifies a file auxiliary entry.
345 AUX_CSECT = 251, ///< Identifies a csect auxiliary entry.
346 AUX_SECT = 250 ///< Identifies a SECT auxiliary entry.
347}; // 64-bit XCOFF file only.
348
352 unsigned FloatingParmsNum);
354 unsigned FixedParmsNum,
355 unsigned FloatingParmsNum,
356 unsigned VectorParmsNum);
358 unsigned ParmsNum);
359
361 enum LanguageID : uint8_t {
378 };
379 // Byte 1
380 static constexpr uint32_t VersionMask = 0xFF00'0000;
381 static constexpr uint8_t VersionShift = 24;
382
383 // Byte 2
384 static constexpr uint32_t LanguageIdMask = 0x00FF'0000;
385 static constexpr uint8_t LanguageIdShift = 16;
386
387 // Byte 3
388 static constexpr uint32_t IsGlobaLinkageMask = 0x0000'8000;
389 static constexpr uint32_t IsOutOfLineEpilogOrPrologueMask = 0x0000'4000;
390 static constexpr uint32_t HasTraceBackTableOffsetMask = 0x0000'2000;
391 static constexpr uint32_t IsInternalProcedureMask = 0x0000'1000;
392 static constexpr uint32_t HasControlledStorageMask = 0x0000'0800;
393 static constexpr uint32_t IsTOClessMask = 0x0000'0400;
394 static constexpr uint32_t IsFloatingPointPresentMask = 0x0000'0200;
396 0x0000'0100;
397
398 // Byte 4
399 static constexpr uint32_t IsInterruptHandlerMask = 0x0000'0080;
400 static constexpr uint32_t IsFunctionNamePresentMask = 0x0000'0040;
401 static constexpr uint32_t IsAllocaUsedMask = 0x0000'0020;
402 static constexpr uint32_t OnConditionDirectiveMask = 0x0000'001C;
403 static constexpr uint32_t IsCRSavedMask = 0x0000'0002;
404 static constexpr uint32_t IsLRSavedMask = 0x0000'0001;
405 static constexpr uint8_t OnConditionDirectiveShift = 2;
406
407 // Byte 5
408 static constexpr uint32_t IsBackChainStoredMask = 0x8000'0000;
409 static constexpr uint32_t IsFixupMask = 0x4000'0000;
410 static constexpr uint32_t FPRSavedMask = 0x3F00'0000;
411 static constexpr uint32_t FPRSavedShift = 24;
412
413 // Byte 6
414 static constexpr uint32_t HasExtensionTableMask = 0x0080'0000;
415 static constexpr uint32_t HasVectorInfoMask = 0x0040'0000;
416 static constexpr uint32_t GPRSavedMask = 0x003F'0000;
417 static constexpr uint32_t GPRSavedShift = 16;
418
419 // Byte 7
420 static constexpr uint32_t NumberOfFixedParmsMask = 0x0000'FF00;
421 static constexpr uint8_t NumberOfFixedParmsShift = 8;
422
423 // Byte 8
424 static constexpr uint32_t NumberOfFloatingPointParmsMask = 0x0000'00FE;
425 static constexpr uint32_t HasParmsOnStackMask = 0x0000'0001;
426 static constexpr uint8_t NumberOfFloatingPointParmsShift = 1;
427
428 // Masks to select leftmost bits for decoding parameter type information.
429 // Bit to use when vector info is not presented.
430 static constexpr uint32_t ParmTypeIsFloatingBit = 0x8000'0000;
431 static constexpr uint32_t ParmTypeFloatingIsDoubleBit = 0x4000'0000;
432 // Bits to use when vector info is presented.
433 static constexpr uint32_t ParmTypeIsFixedBits = 0x0000'0000;
434 static constexpr uint32_t ParmTypeIsVectorBits = 0x4000'0000;
435 static constexpr uint32_t ParmTypeIsFloatingBits = 0x8000'0000;
436 static constexpr uint32_t ParmTypeIsDoubleBits = 0xC000'0000;
437 static constexpr uint32_t ParmTypeMask = 0xC000'0000;
438
439 // Vector extension
440 static constexpr uint16_t NumberOfVRSavedMask = 0xFC00;
441 static constexpr uint16_t IsVRSavedOnStackMask = 0x0200;
442 static constexpr uint16_t HasVarArgsMask = 0x0100;
443 static constexpr uint8_t NumberOfVRSavedShift = 10;
444
445 static constexpr uint16_t NumberOfVectorParmsMask = 0x00FE;
446 static constexpr uint16_t HasVMXInstructionMask = 0x0001;
447 static constexpr uint8_t NumberOfVectorParmsShift = 1;
448
449 static constexpr uint32_t ParmTypeIsVectorCharBit = 0x0000'0000;
450 static constexpr uint32_t ParmTypeIsVectorShortBit = 0x4000'0000;
451 static constexpr uint32_t ParmTypeIsVectorIntBit = 0x8000'0000;
452 static constexpr uint32_t ParmTypeIsVectorFloatBit = 0xC000'0000;
453
454 static constexpr uint8_t WidthOfParamType = 2;
455};
456
457// Extended Traceback table flags.
458enum ExtendedTBTableFlag : uint8_t {
459 TB_OS1 = 0x80, ///< Reserved for OS use.
460 TB_RESERVED = 0x40, ///< Reserved for compiler.
461 TB_SSP_CANARY = 0x20, ///< stack smasher canary present on stack.
462 TB_OS2 = 0x10, ///< Reserved for OS use.
463 TB_EH_INFO = 0x08, ///< Exception handling info present.
464 TB_LONGTBTABLE2 = 0x01 ///< Additional tbtable extension exists.
466
469
472 : MappingClass(SMC), Type(ST) {}
475};
476
477} // end namespace XCOFF
478} // end namespace llvm
479
480#endif
Tagged union holding either a T or a Error.
Definition: Error.h:470
SmallString - A SmallString is just a SmallVector with methods and accessors that make it work better...
Definition: SmallString.h:26
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:50
The instances of the Type class are immutable: once they are created, they are never changed.
Definition: Type.h:45
LLVM Value Representation.
Definition: Value.h:74
DwarfSectionSubtypeFlags
Values for defining the section subtype of sections of type STYP_DWARF as they would appear in the (s...
Definition: XCOFF.h:153
@ SSUBTYP_DWARNGE
DWARF aranges section.
Definition: XCOFF.h:158
@ SSUBTYP_DWFRAME
DWARF frame section.
Definition: XCOFF.h:163
@ SSUBTYP_DWABREV
DWARF abbrev section.
Definition: XCOFF.h:159
@ SSUBTYP_DWINFO
DWARF info section.
Definition: XCOFF.h:154
@ SSUBTYP_DWRNGES
DWARF ranges section.
Definition: XCOFF.h:161
@ SSUBTYP_DWLOC
DWARF loc section.
Definition: XCOFF.h:162
@ SSUBTYP_DWMAC
DWARF macinfo section.
Definition: XCOFF.h:164
@ SSUBTYP_DWPBNMS
DWARF pubnames section.
Definition: XCOFF.h:156
@ SSUBTYP_DWPBTYP
DWARF pubtypes section.
Definition: XCOFF.h:157
@ SSUBTYP_DWLINE
DWARF line section.
Definition: XCOFF.h:155
@ SSUBTYP_DWSTR
DWARF str section.
Definition: XCOFF.h:160
AuxHeaderFlags64
Definition: XCOFF.h:62
@ FORK_POLICY
Forktree policy specified (main program only).
Definition: XCOFF.h:65
@ SHR_SYMTAB
At exec time, create shared symbol table for program (main program only).
Definition: XCOFF.h:63
@ FORK_COR
If _AOUT_FORK_POLICY is set, specify copy-on-reference if this bit is set.
Definition: XCOFF.h:66
static constexpr uint8_t XR_BIASED_LENGTH_MASK
Definition: XCOFF.h:59
constexpr size_t RelocationSerializationSize32
Definition: XCOFF.h:38
SmallString< 32 > getExtendedTBTableFlagString(uint8_t Flag)
Definition: XCOFF.cpp:162
@ F_DSA
file uses Dynamic Segment Allocation (32-bit only)
Definition: XCOFF.h:85
@ F_SHROBJ
file is a shared object
Definition: XCOFF.h:93
@ F_DEP_2
Data Execution Protection bit 2.
Definition: XCOFF.h:97
@ F_LNNO
line numbers stripped from file
Definition: XCOFF.h:81
@ F_DYNLOAD
file is dynamically loadable and executable (equivalent to F_EXEC on AIX)
Definition: XCOFF.h:91
@ F_LPDATA
executable requires large pages for data
Definition: XCOFF.h:90
@ F_LPTEXT
executable requires large pages for text
Definition: XCOFF.h:89
@ F_LOADONLY
file can be loaded by the system loader, but it is ignored by the linker if it is a member of an arch...
Definition: XCOFF.h:94
@ F_RELFLG
relocation info stripped from file
Definition: XCOFF.h:78
@ F_DEP_1
Data Execution Protection bit 1.
Definition: XCOFF.h:87
@ F_LSYMS
local symbols stripped from file
Definition: XCOFF.h:82
@ F_FDPR_PROF
file was profiled with FDPR
Definition: XCOFF.h:83
@ F_FDPR_OPTI
file was reordered with FDPR
Definition: XCOFF.h:84
@ F_EXEC
file is executable (i.e., it has a loader section)
Definition: XCOFF.h:79
@ F_VARPG
executable requests using variable size pages
Definition: XCOFF.h:88
constexpr size_t ExceptionSectionEntrySize64
Definition: XCOFF.h:41
static constexpr uint8_t XR_FIXUP_INDICATOR_MASK
Definition: XCOFF.h:56
constexpr uint16_t VISIBILITY_MASK
Definition: XCOFF.h:258
Expected< SmallString< 32 > > parseParmsTypeWithVecInfo(uint32_t Value, unsigned FixedParmsNum, unsigned FloatingParmsNum, unsigned VectorParmsNum)
Definition: XCOFF.cpp:188
static constexpr uint8_t XR_SIGN_INDICATOR_MASK
Definition: XCOFF.h:53
StringRef getRelocationTypeString(XCOFF::RelocationType Type)
Definition: XCOFF.cpp:53
Expected< SmallString< 32 > > parseParmsType(uint32_t Value, unsigned FixedParmsNum, unsigned FloatingParmsNum)
Definition: XCOFF.cpp:110
constexpr size_t RelocationSerializationSize64
Definition: XCOFF.h:39
constexpr size_t ExceptionSectionEntrySize32
Definition: XCOFF.h:40
constexpr size_t FileHeaderSize64
Definition: XCOFF.h:31
StringRef getMappingClassString(XCOFF::StorageMappingClass SMC)
Definition: XCOFF.cpp:20
constexpr size_t AuxFileHeaderSize64
Definition: XCOFF.h:33
constexpr size_t SectionHeaderSize64
Definition: XCOFF.h:36
Expected< SmallString< 32 > > parseVectorParmsType(uint32_t Value, unsigned ParmsNum)
Definition: XCOFF.cpp:240
SymbolAuxType
Definition: XCOFF.h:340
@ AUX_SECT
Identifies a SECT auxiliary entry.
Definition: XCOFF.h:346
@ AUX_FILE
Identifies a file auxiliary entry.
Definition: XCOFF.h:344
@ AUX_EXCEPT
Identifies an exception auxiliary entry.
Definition: XCOFF.h:341
@ AUX_FCN
Identifies a function auxiliary entry.
Definition: XCOFF.h:342
@ AUX_SYM
Identifies a symbol auxiliary entry.
Definition: XCOFF.h:343
@ AUX_CSECT
Identifies a csect auxiliary entry.
Definition: XCOFF.h:345
RelocationType
Definition: XCOFF.h:261
@ R_RBR
Branch relative to self relocation.
Definition: XCOFF.h:305
@ R_TOC
Relative to the TOC relocation.
Definition: XCOFF.h:273
@ R_RLA
Positive load address relocation. Modifiable instruction.
Definition: XCOFF.h:265
@ R_TLSML
Module reference to the local TLS storage.
Definition: XCOFF.h:314
@ R_TRL
TOC relative indirect load relocation.
Definition: XCOFF.h:276
@ R_BR
Branch relative to self relocation.
Definition: XCOFF.h:299
@ R_POS
Positive relocation.
Definition: XCOFF.h:262
@ R_RBA
Branch absolute relocation.
Definition: XCOFF.h:303
@ R_BA
Branch absolute relocation.
Definition: XCOFF.h:297
@ R_REL
Relative to self relocation.
Definition: XCOFF.h:269
@ R_NEG
Negative relocation.
Definition: XCOFF.h:267
@ R_TLS_IE
Initial-exec reference to TLS symbol.
Definition: XCOFF.h:309
@ R_TLSM
Module reference to TLS.
Definition: XCOFF.h:312
@ R_GL
Global linkage-external TOC address relocation.
Definition: XCOFF.h:286
@ R_REF
A non-relocating relocation.
Definition: XCOFF.h:292
@ R_RL
Positive indirect load relocation. Modifiable instruction.
Definition: XCOFF.h:264
@ R_TRLA
Relative to the TOC or to the thread-local storage base relocation.
Definition: XCOFF.h:279
@ R_TCL
Local object TOC address relocation.
Definition: XCOFF.h:289
@ R_TOCL
Relative to TOC lower.
Definition: XCOFF.h:318
@ R_TOCU
Relative to TOC upper.
Definition: XCOFF.h:316
@ R_TLS_LD
Local-dynamic reference to TLS symbol.
Definition: XCOFF.h:310
@ R_TLS
General-dynamic reference to TLS symbol.
Definition: XCOFF.h:308
@ R_TLS_LE
Local-exec reference to TLS symbol.
Definition: XCOFF.h:311
ExtendedTBTableFlag
Definition: XCOFF.h:458
@ TB_EH_INFO
Exception handling info present.
Definition: XCOFF.h:463
@ TB_OS1
Reserved for OS use.
Definition: XCOFF.h:459
@ TB_SSP_CANARY
stack smasher canary present on stack.
Definition: XCOFF.h:461
@ TB_LONGTBTABLE2
Additional tbtable extension exists.
Definition: XCOFF.h:464
@ TB_OS2
Reserved for OS use.
Definition: XCOFF.h:462
@ TB_RESERVED
Reserved for compiler.
Definition: XCOFF.h:460
@ TB_C
C language.
Definition: XCOFF.h:330
@ TB_CPLUSPLUS
C++ language.
Definition: XCOFF.h:331
VisibilityType
Values for visibility as they would appear when encoded in the high 4 bits of the 16-bit unsigned n_t...
Definition: XCOFF.h:250
@ SYM_V_PROTECTED
Definition: XCOFF.h:254
@ SYM_V_HIDDEN
Definition: XCOFF.h:253
@ SYM_V_EXPORTED
Definition: XCOFF.h:255
@ SYM_V_INTERNAL
Definition: XCOFF.h:252
@ SYM_V_UNSPECIFIED
Definition: XCOFF.h:251
@ TCPU_PPC64
PowerPC common architecture 64-bit mode.
Definition: XCOFF.h:335
@ TCPU_COM
POWER and PowerPC architecture common.
Definition: XCOFF.h:336
@ TCPU_970
PPC970 - PowerPC 64-bit architecture.
Definition: XCOFF.h:337
constexpr size_t NameSize
Definition: XCOFF.h:29
constexpr uint16_t RelocOverflow
Definition: XCOFF.h:42
constexpr size_t AuxFileHeaderSizeShort
Definition: XCOFF.h:34
constexpr size_t AuxFileHeaderSize32
Definition: XCOFF.h:32
ReservedSectionNum
Definition: XCOFF.h:45
@ N_DEBUG
Definition: XCOFF.h:45
@ N_UNDEF
Definition: XCOFF.h:45
@ N_ABS
Definition: XCOFF.h:45
CFileStringType
Definition: XCOFF.h:322
@ XFT_FN
Specifies the source-file name.
Definition: XCOFF.h:323
@ XFT_CD
Specifies compiler-defined information.
Definition: XCOFF.h:326
@ XFT_CV
Specifies the compiler version number.
Definition: XCOFF.h:325
@ XFT_CT
Specifies the compiler time stamp.
Definition: XCOFF.h:324
constexpr size_t FileHeaderSize32
Definition: XCOFF.h:30
StorageClass
Definition: XCOFF.h:169
@ C_BCOMM
Definition: XCOFF.h:176
@ C_GTLS
Definition: XCOFF.h:181
@ C_LINE
Definition: XCOFF.h:227
@ C_DECL
Definition: XCOFF.h:207
@ C_PSYM
Definition: XCOFF.h:189
@ C_RPSYM
Definition: XCOFF.h:191
@ C_STRTAG
Definition: XCOFF.h:217
@ C_FIELD
Definition: XCOFF.h:225
@ C_GSYM
Definition: XCOFF.h:174
@ C_BINCL
Definition: XCOFF.h:172
@ C_UNTAG
Definition: XCOFF.h:219
@ C_AUTO
Definition: XCOFF.h:210
@ C_RSYM
Definition: XCOFF.h:190
@ C_EXTDEF
Definition: XCOFF.h:212
@ C_LABEL
Definition: XCOFF.h:213
@ C_BLOCK
Definition: XCOFF.h:203
@ C_STAT
Definition: XCOFF.h:202
@ C_INFO
Definition: XCOFF.h:206
@ C_ENTRY
Definition: XCOFF.h:178
@ C_STTLS
Definition: XCOFF.h:182
@ C_WEAKEXT
Definition: XCOFF.h:198
@ C_ENTAG
Definition: XCOFF.h:222
@ C_EINCL
Definition: XCOFF.h:173
@ C_LSYM
Definition: XCOFF.h:188
@ C_ALIAS
Definition: XCOFF.h:228
@ C_EFCN
Definition: XCOFF.h:230
@ C_ULABEL
Definition: XCOFF.h:214
@ C_FILE
Definition: XCOFF.h:171
@ C_NULL
Definition: XCOFF.h:201
@ C_STSYM
Definition: XCOFF.h:175
@ C_ECOML
Definition: XCOFF.h:192
@ C_DWARF
Definition: XCOFF.h:185
@ C_HIDDEN
Definition: XCOFF.h:229
@ C_REGPARM
Definition: XCOFF.h:224
@ C_TPDEF
Definition: XCOFF.h:220
@ C_USTATIC
Definition: XCOFF.h:221
@ C_HIDEXT
Definition: XCOFF.h:205
@ C_TCSYM
Definition: XCOFF.h:233
@ C_ECOMM
Definition: XCOFF.h:177
@ C_BSTAT
Definition: XCOFF.h:179
@ C_ESTAT
Definition: XCOFF.h:180
StorageMappingClass
Storage Mapping Class definitions.
Definition: XCOFF.h:102
@ XMC_TE
Symbol mapped at the end of TOC.
Definition: XCOFF.h:127
@ XMC_TB
Traceback Table csect.
Definition: XCOFF.h:113
@ XMC_TC0
TOC Anchor for TOC Addressability.
Definition: XCOFF.h:117
@ XMC_SV3264
Supervisor Call for both 32- and 64-bit processes.
Definition: XCOFF.h:111
@ XMC_GL
Global Linkage (Interfile Interface Code)
Definition: XCOFF.h:107
@ XMC_DS
Descriptor csect.
Definition: XCOFF.h:120
@ XMC_SV64
Supervisor Call for 64-bit process.
Definition: XCOFF.h:110
@ XMC_RW
Read Write Data.
Definition: XCOFF.h:116
@ XMC_TL
Initialized thread-local variable.
Definition: XCOFF.h:125
@ XMC_RO
Read Only Constant.
Definition: XCOFF.h:105
@ XMC_DB
Debug Dictionary Table.
Definition: XCOFF.h:106
@ XMC_UA
Unclassified - Treated as Read Write.
Definition: XCOFF.h:121
@ XMC_SV
Supervisor Call (32-bit process only)
Definition: XCOFF.h:109
@ XMC_TD
Scalar data item in the TOC.
Definition: XCOFF.h:119
@ XMC_UC
Un-named Fortran Common.
Definition: XCOFF.h:123
@ XMC_UL
Uninitialized thread-local variable.
Definition: XCOFF.h:126
@ XMC_TI
Traceback Index csect.
Definition: XCOFF.h:112
@ XMC_PR
Program Code.
Definition: XCOFF.h:104
@ XMC_XO
Extended Operation (Pseudo Machine Instruction)
Definition: XCOFF.h:108
@ XMC_BS
BSS class (uninitialized static internal)
Definition: XCOFF.h:122
@ XMC_TC
General TOC item.
Definition: XCOFF.h:118
constexpr size_t SectionHeaderSize32
Definition: XCOFF.h:35
XCOFFInterpret
Definition: XCOFF.h:72
@ NEW_XCOFF_INTERPRET
Definition: XCOFF.h:74
@ OLD_XCOFF_INTERPRET
Definition: XCOFF.h:73
constexpr size_t SymbolTableEntrySize
Definition: XCOFF.h:37
constexpr size_t FileNamePadSize
Definition: XCOFF.h:28
StringRef getNameForTracebackTableLanguageId(TracebackTable::LanguageID LangId)
Definition: XCOFF.cpp:87
constexpr uint8_t AllocRegNo
Definition: XCOFF.h:43
@ XTY_CM
Common csect definition. For uninitialized storage.
Definition: XCOFF.h:244
@ XTY_SD
Csect definition for initialized storage.
Definition: XCOFF.h:241
@ XTY_LD
Label definition.
Definition: XCOFF.h:242
@ XTY_ER
External reference.
Definition: XCOFF.h:240
MagicNumber
Definition: XCOFF.h:47
@ XCOFF32
Definition: XCOFF.h:47
@ XCOFF64
Definition: XCOFF.h:47
SectionTypeFlags
Definition: XCOFF.h:133
@ STYP_TYPCHK
Definition: XCOFF.h:145
@ STYP_LOADER
Definition: XCOFF.h:143
@ STYP_DWARF
Definition: XCOFF.h:135
@ STYP_DATA
Definition: XCOFF.h:137
@ STYP_INFO
Definition: XCOFF.h:140
@ STYP_TDATA
Definition: XCOFF.h:141
@ STYP_TEXT
Definition: XCOFF.h:136
@ STYP_DEBUG
Definition: XCOFF.h:144
@ STYP_PAD
Definition: XCOFF.h:134
@ STYP_EXCEPT
Definition: XCOFF.h:139
@ STYP_OVRFLO
Definition: XCOFF.h:146
@ STYP_BSS
Definition: XCOFF.h:138
@ STYP_TBSS
Definition: XCOFF.h:142
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
StorageMappingClass MappingClass
Definition: XCOFF.h:473
CsectProperties(StorageMappingClass SMC, SymbolType ST)
Definition: XCOFF.h:471
static constexpr uint32_t VersionMask
Definition: XCOFF.h:380
static constexpr uint32_t FPRSavedMask
Definition: XCOFF.h:410
static constexpr uint16_t NumberOfVRSavedMask
Definition: XCOFF.h:440
static constexpr uint8_t NumberOfFloatingPointParmsShift
Definition: XCOFF.h:426
static constexpr uint32_t NumberOfFixedParmsMask
Definition: XCOFF.h:420
static constexpr uint16_t HasVMXInstructionMask
Definition: XCOFF.h:446
static constexpr uint32_t IsLRSavedMask
Definition: XCOFF.h:404
static constexpr uint16_t HasVarArgsMask
Definition: XCOFF.h:442
static constexpr uint32_t IsTOClessMask
Definition: XCOFF.h:393
static constexpr uint32_t IsAllocaUsedMask
Definition: XCOFF.h:401
static constexpr uint8_t WidthOfParamType
Definition: XCOFF.h:454
static constexpr uint16_t IsVRSavedOnStackMask
Definition: XCOFF.h:441
static constexpr uint32_t ParmTypeFloatingIsDoubleBit
Definition: XCOFF.h:431
static constexpr uint16_t NumberOfVectorParmsMask
Definition: XCOFF.h:445
static constexpr uint32_t ParmTypeIsFloatingBit
Definition: XCOFF.h:430
static constexpr uint32_t IsFloatingPointPresentMask
Definition: XCOFF.h:394
static constexpr uint32_t FPRSavedShift
Definition: XCOFF.h:411
static constexpr uint32_t ParmTypeIsVectorShortBit
Definition: XCOFF.h:450
static constexpr uint32_t IsOutOfLineEpilogOrPrologueMask
Definition: XCOFF.h:389
static constexpr uint32_t NumberOfFloatingPointParmsMask
Definition: XCOFF.h:424
static constexpr uint32_t HasControlledStorageMask
Definition: XCOFF.h:392
static constexpr uint32_t ParmTypeMask
Definition: XCOFF.h:437
static constexpr uint32_t HasExtensionTableMask
Definition: XCOFF.h:414
static constexpr uint32_t IsInternalProcedureMask
Definition: XCOFF.h:391
static constexpr uint32_t ParmTypeIsDoubleBits
Definition: XCOFF.h:436
static constexpr uint8_t VersionShift
Definition: XCOFF.h:381
static constexpr uint32_t HasTraceBackTableOffsetMask
Definition: XCOFF.h:390
static constexpr uint32_t IsCRSavedMask
Definition: XCOFF.h:403
static constexpr uint8_t NumberOfFixedParmsShift
Definition: XCOFF.h:421
static constexpr uint32_t GPRSavedMask
Definition: XCOFF.h:416
static constexpr uint32_t ParmTypeIsVectorIntBit
Definition: XCOFF.h:451
static constexpr uint8_t NumberOfVectorParmsShift
Definition: XCOFF.h:447
static constexpr uint32_t IsFixupMask
Definition: XCOFF.h:409
static constexpr uint32_t IsGlobaLinkageMask
Definition: XCOFF.h:388
static constexpr uint32_t HasParmsOnStackMask
Definition: XCOFF.h:425
static constexpr uint32_t ParmTypeIsFixedBits
Definition: XCOFF.h:433
static constexpr uint32_t OnConditionDirectiveMask
Definition: XCOFF.h:402
static constexpr uint32_t ParmTypeIsVectorBits
Definition: XCOFF.h:434
static constexpr uint32_t IsFunctionNamePresentMask
Definition: XCOFF.h:400
static constexpr uint32_t IsBackChainStoredMask
Definition: XCOFF.h:408
static constexpr uint32_t ParmTypeIsVectorCharBit
Definition: XCOFF.h:449
static constexpr uint32_t IsInterruptHandlerMask
Definition: XCOFF.h:399
static constexpr uint32_t LanguageIdMask
Definition: XCOFF.h:384
static constexpr uint8_t LanguageIdShift
Definition: XCOFF.h:385
static constexpr uint32_t ParmTypeIsVectorFloatBit
Definition: XCOFF.h:452
static constexpr uint8_t OnConditionDirectiveShift
Definition: XCOFF.h:405
static constexpr uint32_t HasVectorInfoMask
Definition: XCOFF.h:415
static constexpr uint32_t ParmTypeIsFloatingBits
Definition: XCOFF.h:435
static constexpr uint8_t NumberOfVRSavedShift
Definition: XCOFF.h:443
static constexpr uint32_t IsFloatingPointOperationLogOrAbortEnabledMask
Definition: XCOFF.h:395
static constexpr uint32_t GPRSavedShift
Definition: XCOFF.h:417