mirror of
https://github.com/apple/swift.git
synced 2026-03-04 18:24:35 +01:00
af322cf942
We don't need the ELF-specific function any more, so get rid of it. Also fix a typo. rdar://168454023
355 lines
8.3 KiB
C
355 lines
8.3 KiB
C
//===--- codeview.h - Definitions of CodeView structures for Swift --------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2025 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// Definitions of CodeView structures for import into Swift code
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_PDB_H_
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#define SWIFT_PDB_H_
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#include <stdbool.h>
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#include <stdint.h>
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#include <string.h>
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// -- Multi-stream file definitions --------------------------------------------
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#define PDB_PAGE_SIZE 0x1000
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#define PDB_MIN_PAGE_SIZE 0x400
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// For a v2 MSF
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#define PDB_MAX_STREAMS 0x1000
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#define PDB_MAX_PAGES 0xffff
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// For a v7 MSF
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#define PDB_BIG_MAX_STREAMS 0x10000
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#define PDB_BIG_MAX_PAGES 0x100000
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typedef unsigned short ushort;
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typedef uint16_t PN16;
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typedef uint16_t SPN16;
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typedef uint32_t PN32;
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typedef uint32_t SPN32;
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typedef PN16 PN;
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typedef SPN16 SPN;
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typedef PN32 UPN;
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typedef SPN32 USPN;
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typedef uint16_t SN;
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typedef uint32_t UNSN;
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#define SN_NIL 0xffff
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#define UNSN_NIL 0xffffffff
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typedef uint8_t BYTE;
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typedef BYTE *PB;
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typedef void *PV;
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typedef uint32_t CB;
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typedef struct {
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CB cb;
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int32_t mpspnpn;
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} SI_PERSIST;
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typedef struct {
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char szMagic[0x2c];
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CB cbPg; // Size of a page in bytes
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PN pnFpm; // Page number of free page map
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PN pnMac; // Number of pages in file
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SI_PERSIST siSt; // Stream table stream
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// Followed by
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// PN mpspnpn[...];
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} MSF_HDR;
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typedef struct {
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char szMagic[0x1e];
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CB cbPg; // Size of a page in bytes
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UPN pnFpm; // Page number of free page map
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UPN pnMac; // Number of pages in file
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SI_PERSIST siSt; // Stream table stream
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// Followed by
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// PN32 mpspnpnSt[...];
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} BIGMSF_HDR;
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static const char kPdbHdrMagic[] =
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"Microsoft C/C++ program database 2.00\r\n\x1a\x4a\x47";
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static const char kPdbBigHdrMagic[] =
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"Microsoft C/C++ MSF 7.00\r\n\x1a\x44\x53";
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static inline bool pdb_is_v2(const char *magic) {
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return memcmp(magic, kPdbHdrMagic, sizeof(kPdbHdrMagic)) == 0;
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}
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static inline bool pdb_is_v7(const char *magic) {
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return memcmp(magic, kPdbBigHdrMagic, sizeof(kPdbBigHdrMagic)) == 0;
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}
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// -- PE definitions -----------------------------------------------------------
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typedef struct {
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uint8_t Name[8];
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uint32_t VirtualSize;
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uint32_t VirtualAddress;
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uint32_t SizeOfRawData;
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uint32_t PointerToRawData;
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uint32_t PointerToRelocations;
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uint32_t PointerToLinenumbers;
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uint16_t NumberOfRelocations;
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uint16_t NumberOfLinenumbers;
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uint32_t Characteristics;
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} PDB_IMAGE_SECTION_HEADER;
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// -- CodeView definitions -----------------------------------------------------
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enum {
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S_PUB32 = 0x110e,
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S_LPROC32 = 0x110f,
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S_GPROC32 = 0x1110,
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S_LPROC32_ID = 0x1146,
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S_GPROC32_ID = 0x1147,
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};
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#pragma pack(push, 1)
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typedef struct {
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// uint16_t reclen;
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// uint16_t rectyp;
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uint32_t flags;
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uint32_t off;
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uint16_t seg;
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} PDB_CV_PUBSYM32;
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typedef struct {
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// uint16_t reclen;
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// uint16_t rectyp;
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uint32_t pParent;
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uint32_t pEnd;
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uint32_t pNext;
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uint32_t len;
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uint32_t DbgStart;
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uint32_t DbgEnd;
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uint32_t typind;
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uint32_t off;
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uint16_t seg;
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uint8_t flags;
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} PDB_CV_PROCSYM32;
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#pragma pack(pop)
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enum {
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CV_SIGNATURE_C13 = 4
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};
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enum {
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DEBUG_S_LINES = 0xf2, // Holds line number information
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DEBUG_S_FILECHKSMS = 0xf4 // Holds file checksums
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};
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enum {
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CV_LINES_HAVE_COLUMNS = 0x0001
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};
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typedef struct {
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uint32_t offCon;
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uint16_t segCon;
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uint16_t flags;
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uint32_t cbCon;
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} PDB_CV_LINE_HEADER;
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typedef struct {
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uint32_t offFile; // Offset into file checksum table
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uint32_t nLines;
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uint32_t cbBlock;
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// Followed by
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// PDB_CV_LINE lines[nLines];
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// PDB_CV_COLUMNE columns[nColumns];
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} PDB_CV_LINE_BLOCK_HEADER;
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typedef struct {
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uint32_t offset;
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uint32_t lineInfo;
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} PDB_CV_LINE;
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static inline uint32_t pdb_line_start(uint32_t lineInfo) {
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return lineInfo & 0x00ffffff;
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}
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static inline uint32_t pdb_line_delta(uint32_t lineInfo) {
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return (lineInfo >> 24) & 0x7f;
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}
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static inline bool pdb_line_is_statement(uint32_t lineInfo) {
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return !!(lineInfo & 0x80000000);
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}
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typedef struct {
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uint16_t offColumnStart;
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uint16_t offColumnEnd;
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} PDB_CV_COLUMN;
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enum {
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CHKSUM_TYPE_NONE = 0,
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CHKSUM_TYPE_MD5 = 1,
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CHKSUM_TYPE_SHA1 = 2,
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CHKSUM_TYPE_SHA256 = 3
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};
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// -- PDB format definitions ---------------------------------------------------
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typedef uint32_t IMPV;
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typedef uint32_t SIG;
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typedef uint32_t AGE;
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typedef uint32_t NI;
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typedef uint16_t IMOD;
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typedef uint16_t ISECT;
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typedef uint16_t IFILE;
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typedef int32_t OFF;
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typedef uint8_t SIG70[16];
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typedef int32_t ICH;
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typedef struct {
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IMPV impv; // Implementation version number
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SIG sig; // Unique signature
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AGE age; // Sequence number (an update count)
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} PDB_STREAM;
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typedef struct {
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uint32_t ulHdr;
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uint32_t ulVer;
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} PDB_NMT_VHDR;
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typedef struct {
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SN snGSSyms; // Number of global symbols
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SN snPSSyms; // Number of public symbols
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SN snSymRecs; // Number of symbol records
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CB cbGpModi; // Size of the module index substream
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CB cbSC; // Size of session contribution substream
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CB cbSecMap; // Size of section map substream
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CB cbFileInfo; // Size of file info substream
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} PDB_DBI_HDR;
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typedef struct {
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uint32_t verSignature; // 0xffffffff
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uint32_t verHdr; // Version number
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AGE age; // Sequence number
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SN snGSSyms; // Number of global symbols
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uint16_t usVerAll; // Version of PDB DLL that built this file?
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SN snPSSyms; // Number of public symbols
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uint16_t usVerPdbDllBuild; // Version of PDB DLL that built this file?
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SN snSymRecs; // Number of symbol records
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uint16_t usVerPdbDllRBld; // Version of PDB DLL that rebuilt this file?
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CB cbGpModi; // Size of the module info substream
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CB cbSC; // Size of session contribution substream
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CB cbSecMap; // Size of segment map substream
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CB cbFileInfo; // Size of file info substream
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CB cbTSMap; // Size of the type server map substream
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uint32_t iMFC; // ?
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CB cbDbgHdr; // Size of optional DbgHdr substream
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CB cbECInfo; // Size of EC(?) substream
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uint16_t flags; // Miscellaneous flags
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uint16_t wMachine; // Machine type
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uint32_t rgulReserved[1]; // Reserved for future expansion
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} PDB_NEW_DBI_HDR;
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typedef struct {
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ISECT isect;
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OFF off;
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CB cb;
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IMOD imod;
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} SC20;
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typedef struct {
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ISECT isect;
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OFF off;
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CB cb;
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uint32_t dwCharacteristics;
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IMOD imod;
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} SC40;
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typedef struct {
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ISECT isect;
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OFF off;
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CB cb;
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uint32_t dwCharacteristics;
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IMOD imod;
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uint32_t dwDataCrc;
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uint32_t dwRelocCrc;
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} SC;
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typedef struct {
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ISECT isect;
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OFF off;
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CB cb;
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uint32_t dwCharacteristics;
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IMOD imod;
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uint32_t dwDataCrc;
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uint32_t dwRelocCrc;
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uint32_t isectCoff;
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} SC2;
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typedef struct {
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uint32_t pmod;
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SC40 sc;
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uint16_t flags;
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SN sn;
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CB cbSyms;
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CB cbLines;
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CB cbFpo;
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IFILE ifileMac;
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uint32_t mpifileichFile;
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// Followed by
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// char szModule[];
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// char szObjFile[];
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} MODI50;
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typedef struct {
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uint32_t pmod;
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SC sc;
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uint16_t flags;
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SN sn;
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CB cbSyms;
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CB cbLines;
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CB cbC13Lines;
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IFILE ifileMac;
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uint32_t mpifileichFile;
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struct ECInfo {
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NI niSrcFile;
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NI niPdbFile;
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} ecInfo;
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// Followed by
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// char szModule[];
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// char szObjFile[];
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} MODI60;
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typedef struct {
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uint16_t cSeg;
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uint16_t cSegLog;
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} PDB_OMF_SEGMAP;
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typedef struct {
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uint16_t flags;
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uint16_t ovl;
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uint16_t group;
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uint16_t frame;
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uint16_t iSegName;
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uint16_t iClassName;
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OFF offset;
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CB cbSeg;
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} PDB_OMF_SEGMAP_DESC;
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#endif /* SWIFT_PDB_H_ */
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