| /* Internal format of COFF object file data structures, for GNU BFD. |
| This file is part of BFD, the Binary File Descriptor library. |
| |
| Copyright (C) 1999-2021 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 |
| { |
| bfd_hostptr_t _n_zeroes; /* new == 0 */ |
| bfd_hostptr_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)) |
| |
| 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; |
| |
| union |
| { |
| /* PR 17754: We use to 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 |
| { |
| long x_zeroes; |
| long x_offset; |
| } x_n; |
| } 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 */ |
| }; |
| |
| #endif /* GNU_COFF_INTERNAL_H */ |
