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v2.39
include/coff/internal.h
713 строк
26 KB
Ziyao
Import source from binutils
18 сен 2022, 18:55
18 сен 2022, 18:55
3605144
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/* Internal format of COFF object file data structures, for GNU BFD. This file is part of BFD, the Binary File Descriptor library. Copyright (C) 1999-2022 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef GNU_COFF_INTERNAL_H #define GNU_COFF_INTERNAL_H 1 /* First, make "signed char" work, even on old compilers. */ #ifndef signed #ifndef __STDC__ #define signed /**/ #endif #endif /********************** FILE HEADER **********************/ /* extra stuff in a PE header. */ struct internal_extra_pe_filehdr { /* DOS header data follows for PE stuff */ unsigned short e_magic; /* Magic number, 0x5a4d */ unsigned short e_cblp; /* Bytes on last page of file, 0x90 */ unsigned short e_cp; /* Pages in file, 0x3 */ unsigned short e_crlc; /* Relocations, 0x0 */ unsigned short e_cparhdr; /* Size of header in paragraphs, 0x4 */ unsigned short e_minalloc; /* Minimum extra paragraphs needed, 0x0 */ unsigned short e_maxalloc; /* Maximum extra paragraphs needed, 0xFFFF */ unsigned short e_ss; /* Initial (relative) SS value, 0x0 */ unsigned short e_sp; /* Initial SP value, 0xb8 */ unsigned short e_csum; /* Checksum, 0x0 */ unsigned short e_ip; /* Initial IP value, 0x0 */ unsigned short e_cs; /* Initial (relative) CS value, 0x0 */ unsigned short e_lfarlc; /* File address of relocation table, 0x40 */ unsigned short e_ovno; /* Overlay number, 0x0 */ unsigned short e_res[4]; /* Reserved words, all 0x0 */ unsigned short e_oemid; /* OEM identifier (for e_oeminfo), 0x0 */ unsigned short e_oeminfo; /* OEM information; e_oemid specific, 0x0 */ unsigned short e_res2[10]; /* Reserved words, all 0x0 */ bfd_vma e_lfanew; /* File address of new exe header, 0x80 */ unsigned int dos_message[16]; /* Text which always follows DOS header. */ bfd_vma nt_signature; /* required NT signature, 0x4550 */ }; struct internal_filehdr { struct internal_extra_pe_filehdr pe; /* Standard coff internal info. */ unsigned short f_magic; /* magic number */ unsigned int f_nscns; /* number of sections */ long f_timdat; /* time & date stamp */ bfd_vma f_symptr; /* file pointer to symtab */ long f_nsyms; /* number of symtab entries */ unsigned short f_opthdr; /* sizeof(optional hdr) */ unsigned short f_flags; /* flags */ unsigned short f_target_id; /* (TI COFF specific) */ }; /* Bits for f_flags: F_RELFLG relocation info stripped from file F_EXEC file is executable (no unresolved external references) F_LNNO line numbers stripped from file F_LSYMS local symbols stripped from file F_AR16WR file is 16-bit little-endian F_AR32WR file is 32-bit little-endian F_AR32W file is 32-bit big-endian F_DYNLOAD rs/6000 aix: dynamically loadable w/imports & exports F_SHROBJ rs/6000 aix: file is a shared object F_DLL PE format DLL */ #define F_RELFLG (0x0001) #define F_EXEC (0x0002) #define F_LNNO (0x0004) #define F_LSYMS (0x0008) #define F_AR16WR (0x0080) #define F_AR32WR (0x0100) #define F_AR32W (0x0200) #define F_DYNLOAD (0x1000) #define F_SHROBJ (0x2000) #define F_DLL (0x2000) /* Extra structure which is used in the optional header. */ typedef struct _IMAGE_DATA_DIRECTORY { bfd_vma VirtualAddress; long Size; } IMAGE_DATA_DIRECTORY; #define PE_EXPORT_TABLE 0 #define PE_IMPORT_TABLE 1 #define PE_RESOURCE_TABLE 2 #define PE_EXCEPTION_TABLE 3 #define PE_CERTIFICATE_TABLE 4 #define PE_BASE_RELOCATION_TABLE 5 #define PE_DEBUG_DATA 6 #define PE_ARCHITECTURE 7 #define PE_GLOBAL_PTR 8 #define PE_TLS_TABLE 9 #define PE_LOAD_CONFIG_TABLE 10 #define PE_BOUND_IMPORT_TABLE 11 #define PE_IMPORT_ADDRESS_TABLE 12 #define PE_DELAY_IMPORT_DESCRIPTOR 13 #define PE_CLR_RUNTIME_HEADER 14 /* DataDirectory[15] is currently reserved, so no define. */ #define IMAGE_NUMBEROF_DIRECTORY_ENTRIES 16 /* Extra structure used in debug directory. */ struct internal_IMAGE_DEBUG_DIRECTORY { unsigned long Characteristics; unsigned long TimeDateStamp; unsigned short MajorVersion; unsigned short MinorVersion; unsigned long Type; unsigned long SizeOfData; unsigned long AddressOfRawData; unsigned long PointerToRawData; }; #define PE_IMAGE_DEBUG_TYPE_UNKNOWN 0 #define PE_IMAGE_DEBUG_TYPE_COFF 1 #define PE_IMAGE_DEBUG_TYPE_CODEVIEW 2 #define PE_IMAGE_DEBUG_TYPE_FPO 3 #define PE_IMAGE_DEBUG_TYPE_MISC 4 #define PE_IMAGE_DEBUG_TYPE_EXCEPTION 5 #define PE_IMAGE_DEBUG_TYPE_FIXUP 6 #define PE_IMAGE_DEBUG_TYPE_OMAP_TO_SRC 7 #define PE_IMAGE_DEBUG_TYPE_OMAP_FROM_SRC 8 #define PE_IMAGE_DEBUG_TYPE_BORLAND 9 #define PE_IMAGE_DEBUG_TYPE_RESERVED10 10 #define PE_IMAGE_DEBUG_TYPE_CLSID 11 #define PE_IMAGE_DEBUG_TYPE_VC_FEATURE 12 #define PE_IMAGE_DEBUG_TYPE_POGO 13 #define PE_IMAGE_DEBUG_TYPE_ILTCG 14 #define PE_IMAGE_DEBUG_TYPE_MPX 15 #define PE_IMAGE_DEBUG_TYPE_REPRO 16 /* Extra structure for a codeview debug record */ #define CV_INFO_SIGNATURE_LENGTH 16 typedef struct _CODEVIEW_INFO { unsigned long CVSignature; char Signature[CV_INFO_SIGNATURE_LENGTH]; unsigned int SignatureLength; unsigned long Age; /* char PdbFileName[]; */ } CODEVIEW_INFO; /* Default image base for NT. */ #define NT_EXE_IMAGE_BASE 0x400000 #define NT_DLL_IMAGE_BASE 0x10000000 /* Default image base for BeOS. */ #define BEOS_EXE_IMAGE_BASE 0x80000000 #define BEOS_DLL_IMAGE_BASE 0x10000000 /* Extra stuff in a PE aouthdr */ #define PE_DEF_SECTION_ALIGNMENT 0x1000 #ifndef PE_DEF_FILE_ALIGNMENT # define PE_DEF_FILE_ALIGNMENT 0x200 #endif struct internal_extra_pe_aouthdr { /* FIXME: The following entries are in AOUTHDR. But they aren't available internally in bfd. We add them here so that objdump can dump them. */ /* The state of the image file. */ short Magic; /* Linker major version number. */ char MajorLinkerVersion; /* Linker minor version number. */ char MinorLinkerVersion; /* Total size of all code sections. */ bfd_vma SizeOfCode; /* Total size of all initialized data sections. */ bfd_vma SizeOfInitializedData; /* Total size of all uninitialized data sections. */ bfd_vma SizeOfUninitializedData; /* Address of entry point relative to image base. */ bfd_vma AddressOfEntryPoint; /* Address of the first code section relative to image base. */ bfd_vma BaseOfCode; /* Address of the first data section relative to image base. */ bfd_vma BaseOfData; /* PE stuff */ bfd_vma ImageBase; /* Address of specific location in memory that file is located, NT default 0x10000. */ uint32_t SectionAlignment; /* Section alignment default 0x1000. */ uint32_t FileAlignment; /* File alignment default 0x200. */ short MajorOperatingSystemVersion; /* Minimum version of the operating. */ short MinorOperatingSystemVersion; /* System req'd for exe, default 1. */ short MajorImageVersion; /* User defineable field to store version of */ short MinorImageVersion; /* exe or dll being created, default to 0. */ short MajorSubsystemVersion; /* Minimum subsystem version required to */ short MinorSubsystemVersion; /* run exe; default to 3.1. */ uint32_t Reserved1; /* Seems to be 0. */ uint32_t SizeOfImage; /* Size of memory to allocate for prog. */ uint32_t SizeOfHeaders; /* Size of PE header and section table. */ uint32_t CheckSum; /* Set to 0. */ short Subsystem; /* Type of subsystem exe uses for user interface, possible values: 1 - NATIVE Doesn't require a subsystem 2 - WINDOWS_GUI runs in Windows GUI subsystem 3 - WINDOWS_CUI runs in Windows char sub. (console app) 5 - OS2_CUI runs in OS/2 character subsystem 7 - POSIX_CUI runs in Posix character subsystem. */ unsigned short DllCharacteristics; /* flags for DLL init. */ bfd_vma SizeOfStackReserve; /* Amount of memory to reserve. */ bfd_vma SizeOfStackCommit; /* Amount of memory initially committed for initial thread's stack, default 0x1000. */ bfd_vma SizeOfHeapReserve; /* Amount of virtual memory to reserve and */ bfd_vma SizeOfHeapCommit; /* commit, don't know what to defaut it to. */ uint32_t LoaderFlags; /* Can probably set to 0. */ uint32_t NumberOfRvaAndSizes; /* Number of entries in next entry, 16. */ IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES]; }; /********************** AOUT "OPTIONAL HEADER" **********************/ struct internal_aouthdr { short magic; /* type of file */ short vstamp; /* version stamp */ bfd_vma tsize; /* text size in bytes, padded to FW bdry*/ bfd_vma dsize; /* initialized data " " */ bfd_vma bsize; /* uninitialized data " " */ bfd_vma entry; /* entry pt. */ bfd_vma text_start; /* base of text used for this file */ bfd_vma data_start; /* base of data used for this file */ /* RS/6000 stuff */ bfd_vma o_toc; /* address of TOC */ short o_snentry; /* section number for entry point */ short o_sntext; /* section number for text */ short o_sndata; /* section number for data */ short o_sntoc; /* section number for toc */ short o_snloader; /* section number for loader section */ short o_snbss; /* section number for bss */ short o_algntext; /* max alignment for text */ short o_algndata; /* max alignment for data */ short o_modtype; /* Module type field, 1R,RE,RO */ short o_cputype; /* Encoded CPU type */ bfd_vma o_maxstack; /* max stack size allowed. */ bfd_vma o_maxdata; /* max data size allowed. */ char o_flags; /* Flags and TLS alignment */ short o_sntdata; /* section number for tdata */ short o_sntbss; /* section number for tbss */ short o_x64flags; /* XCOFF64 flags */ /* ECOFF stuff */ bfd_vma bss_start; /* Base of bss section. */ bfd_vma gp_value; /* GP register value. */ unsigned long gprmask; /* General registers used. */ unsigned long cprmask[4]; /* Coprocessor registers used. */ unsigned long fprmask; /* Floating pointer registers used. */ /* Apollo stuff */ long o_inlib; /* inlib data */ long o_sri; /* Static Resource Information */ long vid[2]; /* Version id */ struct internal_extra_pe_aouthdr pe; }; /********************** STORAGE CLASSES **********************/ /* This used to be defined as -1, but now n_sclass is unsigned. */ #define C_EFCN 0xff /* physical end of function */ #define C_NULL 0 #define C_AUTO 1 /* automatic variable */ #define C_EXT 2 /* external symbol */ #define C_STAT 3 /* static */ #define C_REG 4 /* register variable */ #define C_EXTDEF 5 /* external definition */ #define C_LABEL 6 /* label */ #define C_ULABEL 7 /* undefined label */ #define C_MOS 8 /* member of structure */ #define C_ARG 9 /* function argument */ #define C_STRTAG 10 /* structure tag */ #define C_MOU 11 /* member of union */ #define C_UNTAG 12 /* union tag */ #define C_TPDEF 13 /* type definition */ #define C_USTATIC 14 /* undefined static */ #define C_ENTAG 15 /* enumeration tag */ #define C_MOE 16 /* member of enumeration */ #define C_REGPARM 17 /* register parameter */ #define C_FIELD 18 /* bit field */ #define C_AUTOARG 19 /* auto argument */ #define C_LASTENT 20 /* dummy entry (end of block) */ #define C_BLOCK 100 /* ".bb" or ".eb" */ #define C_FCN 101 /* ".bf" or ".ef" */ #define C_EOS 102 /* end of structure */ #define C_FILE 103 /* file name */ #define C_LINE 104 /* line # reformatted as symbol table entry */ #define C_ALIAS 105 /* duplicate tag */ #define C_HIDDEN 106 /* ext symbol in dmert public lib */ #define C_WEAKEXT 127 /* weak symbol -- GNU extension. */ /* New storage classes for TI COFF */ #define C_UEXT 19 /* Tentative external definition */ #define C_STATLAB 20 /* Static load time label */ #define C_EXTLAB 21 /* External load time label */ #define C_SYSTEM 23 /* System Wide variable */ /* New storage classes for WINDOWS_NT */ #define C_SECTION 104 /* section name */ #define C_NT_WEAK 105 /* weak external */ /* New storage classes for 80960 */ /* C_LEAFPROC is obsolete. Use C_LEAFEXT or C_LEAFSTAT */ #define C_LEAFPROC 108 /* Leaf procedure, "call" via BAL */ #define C_SCALL 107 /* Procedure reachable via system call */ #define C_LEAFEXT 108 /* External leaf */ #define C_LEAFSTAT 113 /* Static leaf */ #define C_OPTVAR 109 /* Optimized variable */ #define C_DEFINE 110 /* Preprocessor #define */ #define C_PRAGMA 111 /* Advice to compiler or linker */ #define C_SEGMENT 112 /* 80960 segment name */ /* New storage classes for RS/6000 */ #define C_HIDEXT 107 /* Un-named external symbol */ #define C_BINCL 108 /* Marks beginning of include file */ #define C_EINCL 109 /* Marks ending of include file */ #define C_AIX_WEAKEXT 111 /* AIX definition of C_WEAKEXT. */ #define C_DWARF 112 /* DWARF symbol */ #define C_NULL_VALUE 0x00de1e00 /* Value for a C_NULL deleted entry. */ #if defined _AIX52 || defined AIX_WEAK_SUPPORT #undef C_WEAKEXT #define C_WEAKEXT C_AIX_WEAKEXT #endif /* storage classes for stab symbols for RS/6000 */ #define C_GSYM (0x80) #define C_LSYM (0x81) #define C_PSYM (0x82) #define C_RSYM (0x83) #define C_RPSYM (0x84) #define C_STSYM (0x85) #define C_TCSYM (0x86) #define C_BCOMM (0x87) #define C_ECOML (0x88) #define C_ECOMM (0x89) #define C_DECL (0x8c) #define C_ENTRY (0x8d) #define C_FUN (0x8e) #define C_BSTAT (0x8f) #define C_ESTAT (0x90) #define C_GTLS (0x97) #define C_STTLS (0x98) /* Storage classes for Thumb symbols */ #define C_THUMBEXT (128 + C_EXT) /* 130 */ #define C_THUMBSTAT (128 + C_STAT) /* 131 */ #define C_THUMBLABEL (128 + C_LABEL) /* 134 */ #define C_THUMBEXTFUNC (C_THUMBEXT + 20) /* 150 */ #define C_THUMBSTATFUNC (C_THUMBSTAT + 20) /* 151 */ /* True if XCOFF symbols of class CLASS have auxiliary csect information. */ #define CSECT_SYM_P(CLASS) \ ((CLASS) == C_EXT || (CLASS) == C_AIX_WEAKEXT || (CLASS) == C_HIDEXT) /********************** SECTION HEADER **********************/ #define SCNNMLEN (8) struct internal_scnhdr { char s_name[SCNNMLEN] ATTRIBUTE_NONSTRING; /* section name */ /* Physical address, aliased s_nlib. In the pei format, this field is the virtual section size (the size of the section after being loaded int memory), NOT the physical address. */ bfd_vma s_paddr; bfd_vma s_vaddr; /* virtual address */ bfd_vma s_size; /* section size */ bfd_vma s_scnptr; /* file ptr to raw data for section */ bfd_vma s_relptr; /* file ptr to relocation */ bfd_vma s_lnnoptr; /* file ptr to line numbers */ unsigned long s_nreloc; /* number of relocation entries */ unsigned long s_nlnno; /* number of line number entries*/ unsigned long s_flags; /* flags */ unsigned char s_page; /* TI COFF load page */ }; /* s_flags "type". */ #define STYP_REG (0x0000) /* "regular": allocated, relocated, loaded */ #define STYP_DSECT (0x0001) /* "dummy": relocated only*/ #define STYP_NOLOAD (0x0002) /* "noload": allocated, relocated, not loaded */ #define STYP_GROUP (0x0004) /* "grouped": formed of input sections */ #define STYP_PAD (0x0008) /* "padding": not allocated, not relocated, loaded */ #define STYP_COPY (0x0010) /* "copy": for decision function used by field update; not allocated, not relocated, loaded; reloc & lineno entries processed normally */ #define STYP_TEXT (0x0020) /* section contains text only */ #define S_SHRSEG (0x0020) /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will update all process invocations. */ #define STYP_DATA (0x0040) /* section contains data only */ #define STYP_BSS (0x0080) /* section contains bss only */ #define S_NEWFCN (0x0100) /* In a minimal file or an update file, a new function (as compared with a replaced function) */ #define STYP_INFO (0x0200) /* comment: not allocated not relocated, not loaded */ #define STYP_OVER (0x0400) /* overlay: relocated not allocated or loaded */ #define STYP_LIB (0x0800) /* for .lib: same as INFO */ #define STYP_MERGE (0x2000) /* merge section -- combines with text, data or bss sections only */ #define STYP_REVERSE_PAD (0x4000) /* section will be padded with no-op instructions wherever padding is necessary and there is a word of contiguous bytes beginning on a word boundary. */ #define STYP_LIT 0x8020 /* Literal data (like STYP_TEXT) */ /********************** LINE NUMBERS **********************/ /* 1 line number entry for every "breakpointable" source line in a section. Line numbers are grouped on a per function basis; first entry in a function grouping will have l_lnno = 0 and in place of physical address will be the symbol table index of the function name. */ struct internal_lineno { union { bfd_signed_vma l_symndx; /* function name symbol index, iff l_lnno == 0*/ bfd_signed_vma l_paddr; /* (physical) address of line number */ } l_addr; unsigned long l_lnno; /* line number */ }; /********************** SYMBOLS **********************/ #define SYMNMLEN 8 /* # characters in a symbol name */ #define FILNMLEN 14 /* # characters in a file name */ #define DIMNUM 4 /* # array dimensions in auxiliary entry */ struct internal_syment { union { char _n_name[SYMNMLEN] ATTRIBUTE_NONSTRING; /* old COFF version */ struct { uintptr_t _n_zeroes; /* new == 0 */ uintptr_t _n_offset; /* offset into string table */ } _n_n; char *_n_nptr[2]; /* allows for overlaying */ } _n; bfd_vma n_value; /* value of symbol */ int n_scnum; /* section number */ unsigned short n_flags; /* copy of flags from filhdr */ unsigned short n_type; /* type and derived type */ unsigned char n_sclass; /* storage class */ unsigned char n_numaux; /* number of aux. entries */ }; #define n_name _n._n_name #define n_zeroes _n._n_n._n_zeroes #define n_offset _n._n_n._n_offset /* Relocatable symbols have number of the section in which they are defined, or one of the following: */ #define N_UNDEF ((int)0) /* undefined symbol */ #define N_ABS ((int)-1) /* value of symbol is absolute */ #define N_DEBUG ((int)-2) /* debugging symbol -- value is meaningless */ #define N_TV ((int)-3) /* indicates symbol needs preload transfer vector */ #define P_TV ((int)-4) /* indicates symbol needs postload transfer vector*/ /* Type of a symbol, in low N bits of the word. */ #define T_NULL 0 #define T_VOID 1 /* function argument (only used by compiler) */ #define T_CHAR 2 /* character */ #define T_SHORT 3 /* short integer */ #define T_INT 4 /* integer */ #define T_LONG 5 /* long integer */ #define T_FLOAT 6 /* floating point */ #define T_DOUBLE 7 /* double word */ #define T_STRUCT 8 /* structure */ #define T_UNION 9 /* union */ #define T_ENUM 10 /* enumeration */ #define T_MOE 11 /* member of enumeration*/ #define T_UCHAR 12 /* unsigned character */ #define T_USHORT 13 /* unsigned short */ #define T_UINT 14 /* unsigned integer */ #define T_ULONG 15 /* unsigned long */ #define T_LNGDBL 16 /* long double */ /* Derived types, in n_type. */ #define DT_NON (0) /* no derived type */ #define DT_PTR (1) /* pointer */ #define DT_FCN (2) /* function */ #define DT_ARY (3) /* array */ #define BTYPE(x) ((x) & N_BTMASK) #define DTYPE(x) (((x) & N_TMASK) >> N_BTSHFT) #define ISPTR(x) \ (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_PTR << N_BTSHFT)) #define ISFCN(x) \ (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_FCN << N_BTSHFT)) #define ISARY(x) \ (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_ARY << N_BTSHFT)) #define ISTAG(x) \ ((x) == C_STRTAG || (x) == C_UNTAG || (x) == C_ENTAG) #define DECREF(x) \ ((((x) >> N_TSHIFT) & ~ N_BTMASK) | ((x) & N_BTMASK)) /* Visibility flag, in XCOFF n_type. */ #define SYM_V_INTERNAL 0x1000 #define SYM_V_HIDDEN 0x2000 #define SYM_V_PROTECTED 0x3000 #define SYM_V_EXPORTED 0x4000 #define SYM_V_MASK 0xF000 union internal_auxent { struct { union { long l; /* str, un, or enum tag indx */ struct coff_ptr_struct *p; } x_tagndx; union { struct { unsigned short x_lnno; /* declaration line number */ unsigned short x_size; /* str/union/array size */ } x_lnsz; long x_fsize; /* size of function */ } x_misc; union { struct { /* if ISFCN, tag, or .bb */ bfd_signed_vma x_lnnoptr; /* ptr to fcn line # */ union { /* entry ndx past block end */ long l; struct coff_ptr_struct *p; } x_endndx; } x_fcn; struct { /* if ISARY, up to 4 dimen. */ unsigned short x_dimen[DIMNUM]; } x_ary; } x_fcnary; unsigned short x_tvndx; /* tv index */ } x_sym; struct { union { /* PR 17754: We used to use FILNMLEN for the size of the x_fname array, but that causes problems as PE targets use a larger value. We cannot use their definition of E_FILNMLEN as this header can be used without including any PE headers. */ char x_fname[20]; struct { /* PR 28630: We use uintptr_t because these fields may be used to hold pointers. We assume that this type is at least 32 bits. */ uintptr_t x_zeroes; uintptr_t x_offset; } x_n; } x_n; unsigned char x_ftype; } x_file; struct { long x_scnlen; /* section length */ unsigned short x_nreloc; /* # relocation entries */ unsigned short x_nlinno; /* # line numbers */ unsigned long x_checksum; /* section COMDAT checksum for PE */ unsigned short x_associated; /* COMDAT associated section index for PE */ unsigned char x_comdat; /* COMDAT selection number for PE */ } x_scn; struct { long x_tvfill; /* tv fill value */ unsigned short x_tvlen; /* length of .tv */ unsigned short x_tvran[2]; /* tv range */ } x_tv; /* info about .tv section (in auxent of symbol .tv)) */ /****************************************** * RS/6000-specific auxent - last auxent for every external symbol ******************************************/ struct { union { /* csect length or enclosing csect */ bfd_signed_vma l; struct coff_ptr_struct *p; } x_scnlen; long x_parmhash; /* parm type hash index */ unsigned short x_snhash; /* sect num with parm hash */ unsigned char x_smtyp; /* symbol align and type */ /* 0-4 - Log 2 of alignment */ /* 5-7 - symbol type */ unsigned char x_smclas; /* storage mapping class */ long x_stab; /* dbx stab info index */ unsigned short x_snstab; /* sect num with dbx stab */ } x_csect; /* csect definition information */ /* x_smtyp values: */ #define SMTYP_ALIGN(x) ((x) >> 3) /* log2 of alignment */ #define SMTYP_SMTYP(x) ((x) & 0x7) /* symbol type */ /* Symbol type values: */ #define XTY_ER 0 /* External reference */ #define XTY_SD 1 /* Csect definition */ #define XTY_LD 2 /* Label definition */ #define XTY_CM 3 /* .BSS */ #define XTY_EM 4 /* Error message */ #define XTY_US 5 /* "Reserved for internal use" */ /* x_smclas values: */ #define XMC_PR 0 /* Read-only program code */ #define XMC_RO 1 /* Read-only constant */ #define XMC_DB 2 /* Read-only debug dictionary table */ #define XMC_TC 3 /* Read-write general TOC entry */ #define XMC_UA 4 /* Read-write unclassified */ #define XMC_RW 5 /* Read-write data */ #define XMC_GL 6 /* Read-only global linkage */ #define XMC_XO 7 /* Read-only extended operation */ #define XMC_SV 8 /* Read-only supervisor call */ #define XMC_BS 9 /* Read-write BSS */ #define XMC_DS 10 /* Read-write descriptor csect */ #define XMC_UC 11 /* Read-write unnamed Fortran common */ #define XMC_TI 12 /* Read-only traceback index csect */ #define XMC_TB 13 /* Read-only traceback table csect */ /* 14 ??? */ #define XMC_TC0 15 /* Read-write TOC anchor */ #define XMC_TD 16 /* Read-write data in TOC */ struct { long x_scnlen; /* Section length */ long x_nreloc; /* Number of relocation entries */ } x_sect; }; /********************** RELOCATION DIRECTIVES **********************/ struct internal_reloc { bfd_vma r_vaddr; /* Virtual address of reference */ long r_symndx; /* Index into symbol table */ unsigned short r_type; /* Relocation type */ unsigned char r_size; /* Used by RS/6000 and ECOFF */ unsigned char r_extern; /* Used by ECOFF */ unsigned long r_offset; /* Used by Alpha ECOFF, SPARC, others */ }; #define IMAGE_REL_BASED_ABSOLUTE 0 #define IMAGE_REL_BASED_HIGH 1 #define IMAGE_REL_BASED_LOW 2 #define IMAGE_REL_BASED_HIGHLOW 3 #define IMAGE_REL_BASED_HIGHADJ 4 #define IMAGE_REL_BASED_MIPS_JMPADDR 5 #define IMAGE_REL_BASED_ARM_MOV32 5 #define IMAGE_REL_BASED_RISCV_HIGH20 5 #define IMAGE_REL_BASED_THUMB_MOV32 7 #define IMAGE_REL_BASED_RISCV_LOW12I 7 #define IMAGE_REL_BASED_RISCV_LOW12S 8 #define IMAGE_REL_BASED_LOONGARCH32_MARK_LA 8 #define IMAGE_REL_BASED_LOONGARCH64_MARK_LA 8 #define IMAGE_REL_BASED_MIPS_JMPADDR16 9 #define IMAGE_REL_BASED_DIR64 10 #endif /* GNU_COFF_INTERNAL_H */