/* Internal format of COFF object file data structures, for GNU BFD.
- This file is part of BFD, the Binary File Descriptor library. */
+ This file is part of BFD, the Binary File Descriptor library.
+
+ Copyright (C) 1999-2019 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 /**/
+#define signed /**/
#endif
#endif
/********************** FILE HEADER **********************/
-struct internal_filehdr
+
+/* extra stuff in a PE header. */
+
+struct internal_extra_pe_filehdr
{
- unsigned short f_magic; /* magic number */
- unsigned short f_nscns; /* number of sections */
- long f_timdat; /* time & date stamp */
- long 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 */
+ /* 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 long dos_message[16]; /* text which always follows dos header */
+ bfd_vma nt_signature; /* required NT signature, 0x4550 */
};
+#define GO32_STUBSIZE 2048
+
+struct internal_filehdr
+{
+ struct internal_extra_pe_filehdr pe;
+
+ /* coff-stgo32 EXE stub header before BFD tdata has been allocated.
+ Its data is kept in INTERNAL_FILEHDR.GO32STUB afterwards.
+
+ F_GO32STUB is set iff go32stub contains a valid data. Artifical headers
+ created in BFD have no pre-set go32stub. */
+ char go32stub[GO32_STUBSIZE];
+
+ /* 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_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
+ F_GO32STUB Field go32stub contains valid data. */
#define F_RELFLG (0x0001)
#define F_EXEC (0x0002)
#define F_AR32W (0x0200)
#define F_DYNLOAD (0x1000)
#define F_SHROBJ (0x2000)
+#define F_DLL (0x2000)
+#define F_GO32STUB (0x4000)
+
+/* 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
+
+/* 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 */
- unsigned long tsize; /* text size in bytes, padded to FW bdry*/
- unsigned long dsize; /* initialized data " " */
- unsigned long bsize; /* uninitialized data " " */
- unsigned long entry; /* entry pt. */
- unsigned long text_start; /* base of text used for this file */
- unsigned long data_start; /* base of data used for this file */
-
- /* i960 stuff */
- unsigned long tagentries; /* number of tag entries to follow */
-
- /* RS/6000 stuff */
- unsigned long 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 */
- unsigned long o_maxstack; /* max stack size allowed. */
+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. */
+
+ /* 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 **********************/
-#define C_EFCN -1 /* physical end of function */
+/* 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_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 */
- /* 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_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 */
-
- /* storage classes for stab symbols for RS/6000 */
-#define C_GSYM ((signed char)0x80)
-#define C_LSYM ((signed char)0x81)
-#define C_PSYM ((signed char)0x82)
-#define C_RSYM ((signed char)0x83)
-#define C_RPSYM ((signed char)0x84)
-#define C_STSYM ((signed char)0x85)
-#define C_TCSYM ((signed char)0x86)
-#define C_BCOMM ((signed char)0x87)
-#define C_ECOML ((signed char)0x88)
-#define C_ECOMM ((signed char)0x89)
-#define C_DECL ((signed char)0x8c)
-#define C_ENTRY ((signed char)0x8d)
-#define C_FUN ((signed char)0x8e)
-#define C_BSTAT ((signed char)0x8f)
-#define C_ESTAT ((signed char)0x90)
+ /* 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. */
-/********************** SECTION HEADER **********************/
-struct internal_scnhdr {
- char s_name[8]; /* section name */
- long s_paddr; /* physical address, aliased s_nlib */
- long s_vaddr; /* virtual address */
- long s_size; /* section size */
- long s_scnptr; /* file ptr to raw data for section */
- long s_relptr; /* file ptr to relocation */
- long s_lnnoptr; /* file ptr to line numbers */
- unsigned long s_nreloc; /* number of relocation entries */
- unsigned long s_nlnno; /* number of line number entries*/
- long s_flags; /* flags */
-#ifdef I960
- long s_align;
+#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 auxillary 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*/
+ 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) */
+
-/*
- * 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. */
/********************** 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 {
- long l_symndx; /* function name symbol index, iff l_lnno == 0*/
- long l_paddr; /* (physical) address of line number */
- } l_addr;
- unsigned long l_lnno; /* line number */
-};
+ 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 FILNMLEN 14 /* # characters in a file name */
#define DIMNUM 4 /* # array dimensions in auxiliary entry */
-struct internal_syment {
- union {
- char _n_name[SYMNMLEN]; /* old COFF version */
- struct {
- long _n_zeroes; /* new == 0 */
- long _n_offset; /* offset into string table */
- } _n_n;
- char *_n_nptr[2]; /* allows for overlaying */
- } _n;
- long n_value; /* value of symbol */
- short n_scnum; /* section number */
- unsigned short n_flags; /* copy of flags from filhdr */
- unsigned short n_type; /* type and derived type */
- signed char n_sclass; /* storage class */
- char n_numaux; /* number of aux. entries */
+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: */
+ 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*/
-#define N_UNDEF ((short)0) /* undefined symbol */
-#define N_ABS ((short)-1) /* value of symbol is absolute */
-#define N_DEBUG ((short)-2) /* debugging symbol -- value is meaningless */
-#define N_TV ((short)-3) /* indicates symbol needs preload transfer vector */
-#define P_TV ((short)-4) /* indicates symbol needs postload transfer vector*/
+/* Type of a symbol, in low N bits of the word. */
-/*
- * 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_ULONG 15 /* unsigned long */
#define T_LNGDBL 16 /* long double */
-/*
- * derived types, in n_type
-*/
+/* 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 ISPTR(x) (((x) & N_TMASK) == (DT_PTR << N_BTSHFT))
-#define ISFCN(x) (((x) & N_TMASK) == (DT_FCN << N_BTSHFT))
-#define ISARY(x) (((x) & N_TMASK) == (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
+#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 {
+ struct
+ {
- union {
+ union
+ {
long l; /* str, un, or enum tag indx */
struct coff_ptr_struct *p;
- } x_tagndx;
+ } x_tagndx;
- union {
- struct {
+ union
+ {
+ struct
+ {
unsigned short x_lnno; /* declaration line number */
unsigned short x_size; /* str/union/array size */
- } x_lnsz;
+ } x_lnsz;
long x_fsize; /* size of function */
- } x_misc;
-
- union {
- struct { /* if ISFCN, tag, or .bb */
- long x_lnnoptr; /* ptr to fcn line # */
- union { /* entry ndx past block end */
- long l;
+ } 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;
+ } x_endndx;
+ } x_fcn;
- struct { /* if ISARY, up to 4 dimen. */
+ struct
+ { /* if ISARY, up to 4 dimen. */
unsigned short x_dimen[DIMNUM];
- } x_ary;
- } x_fcnary;
+ } x_ary;
+ } x_fcnary;
unsigned short x_tvndx; /* tv index */
- } x_sym;
-
- union {
- char x_fname[FILNMLEN];
- struct {
+ } x_sym;
+
+ union
+ {
+ /* PR 17754: We use to FILNMLEN for the size of the x_fname
+ array, but that cause problems as PE targets use a larger
+ value. We cannot use their definition of EFILNMLEN 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;
+ } x_n;
+ } x_file;
- struct {
+ struct
+ {
long x_scnlen; /* section length */
unsigned short x_nreloc; /* # relocation entries */
unsigned short x_nlinno; /* # line numbers */
- } 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)) */
+ 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 {
- long x_scnlen; /* csect length */
- 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 */
+ 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" */
+#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 (simulated insn) */
-#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 */
+#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 for TOC addressability */
-
-
- /******************************************
- * I960-specific *2nd* aux. entry formats
- ******************************************/
- struct {
- /* This is a very old typo that keeps getting propagated. */
-#define x_stdindx x_stindx
- long x_stindx; /* sys. table entry */
- } x_sc; /* system call entry */
-
- struct {
- unsigned long x_balntry; /* BAL entry point */
- } x_bal; /* BAL-callable function */
-
- struct {
- unsigned long x_timestamp; /* time stamp */
- char x_idstring[20]; /* producer identity string */
- } x_ident; /* Producer ident info */
-
+#define XMC_TC0 15 /* Read-write TOC anchor */
+#define XMC_TD 16 /* Read-write data in TOC */
};
/********************** RELOCATION DIRECTIVES **********************/
-struct internal_reloc
+struct internal_reloc
{
- long r_vaddr; /* Virtual address of reference */
- long r_symndx; /* Index into symbol table */
- unsigned short r_type; /* Relocation type */
-
-#if RS6000COFF_C
- unsigned char r_size;
-#endif
-
- unsigned short r_offset;
-
+ 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 R_RELBYTE 017
-#define R_RELWORD 020
-#define R_PCRBYTE 022
-#define R_PCRWORD 023
-#define R_PCRLONG 024
-
-#define R_DIR32 06
-#define R_PCLONG 020
-#define R_RELBYTE 017
-#define R_RELWORD 020
-
-#define R_PCRBYTE 022
-#define R_PCRWORD 023
-#define R_PCRLONG 024
-
-
-#define R_PCR16L 128
-#define R_PCR26L 129
-#define R_VRT16 130
-#define R_HVRT16 131
-#define R_LVRT16 132
-#define R_VRT32 133
-#define R_RELLONG (0x11) /* Direct 32-bit relocation */
-#define R_IPRSHORT (0x18)
-#define R_IPRMED (0x19) /* 24-bit ip-relative relocation */
-#define R_IPRLONG (0x1a)
-#define R_OPTCALL (0x1b) /* 32-bit optimizable call (leafproc/sysproc) */
-#define R_OPTCALLX (0x1c) /* 64-bit optimizable call (leafproc/sysproc) */
-#define R_GETSEG (0x1d)
-#define R_GETPA (0x1e)
-#define R_TAGWORD (0x1f)
-#define R_JUMPTARG 0x20 /* strange 29k 00xx00xx reloc */
-#define R_MOVB1 0x41 /* Special h8 16bit or 8 bit reloc for mov.b */
-#define R_MOVB2 0x42 /* Special h8 opcode for 8bit which could
- be 16 */
-#define R_JMP1 0x43 /* Special h8 16bit jmp which could be
- pcrel */
-#define R_JMP2 0x44 /* a branch which used to be a jmp */
+/* X86-64 relocations. */
+#define R_AMD64_ABS 0 /* Reference is absolute, no relocation is necessary. */
+#define R_AMD64_DIR64 1 /* 64-bit address (VA). */
+#define R_AMD64_DIR32 2 /* 32-bit address (VA) R_DIR32. */
+#define R_AMD64_IMAGEBASE 3 /* 32-bit absolute ref w/o base R_IMAGEBASE. */
+#define R_AMD64_PCRLONG 4 /* 32-bit relative address from byte following reloc R_PCRLONG. */
+#define R_AMD64_PCRLONG_1 5 /* 32-bit relative address from byte distance 1 from reloc. */
+#define R_AMD64_PCRLONG_2 6 /* 32-bit relative address from byte distance 2 from reloc. */
+#define R_AMD64_PCRLONG_3 7 /* 32-bit relative address from byte distance 3 from reloc. */
+#define R_AMD64_PCRLONG_4 8 /* 32-bit relative address from byte distance 4 from reloc. */
+#define R_AMD64_PCRLONG_5 9 /* 32-bit relative address from byte distance 5 from reloc. */
+#define R_AMD64_SECTION 10 /* Section index. */
+#define R_AMD64_SECREL 11 /* 32 bit offset from base of section containing target R_SECREL. */
+#define R_AMD64_SECREL7 12 /* 7 bit unsigned offset from base of section containing target. */
+#define R_AMD64_TOKEN 13 /* 32 bit metadata token. */
+#define R_AMD64_PCRQUAD 14 /* Pseude PC64 relocation - Note: not specified by MS/AMD but need for gas pc-relative 64bit wide relocation generated by ELF. */
+
+/* i386 Relocations. */
+
+#define R_DIR16 1
+#define R_REL24 5
+#define R_DIR32 6
+#define R_IMAGEBASE 7
+#define R_SECREL32 11
+#define R_RELBYTE 15
+#define R_RELWORD 16
+#define R_RELLONG 17
+#define R_PCRBYTE 18
+#define R_PCRWORD 19
+#define R_PCRLONG 20
+#define R_PCR24 21
+#define R_IPRSHORT 24
+#define R_IPRLONG 26
+#define R_GETSEG 29
+#define R_GETPA 30
+#define R_TAGWORD 31
+#define R_JUMPTARG 32 /* strange 29k 00xx00xx reloc */
+#define R_PARTLS16 32
+#define R_PARTMS8 33
+
+#define R_PCR16L 128
+#define R_PCR26L 129
+#define R_VRT16 130
+#define R_HVRT16 131
+#define R_LVRT16 132
+#define R_VRT32 133
+
+
+/* This reloc identifies mov.b instructions with a 16bit absolute
+ address. The linker tries to turn insns with this reloc into
+ an absolute 8-bit address. */
+#define R_MOV16B1 0x41
+
+/* This reloc identifies mov.b instructions which had a 16bit
+ absolute address which have been shortened into a 8-bit
+ absolute address. */
+#define R_MOV16B2 0x42
+
+/* This reloc identifies jmp insns with a 16bit target address;
+ the linker tries to turn these insns into bra insns with
+ an 8bit pc-relative target. */
+#define R_JMP1 0x43
+
+/* This reloc identifies a bra with an 8-bit pc-relative
+ target that was formerly a jmp insn with a 16bit target. */
+#define R_JMP2 0x44
+
+/* ??? */
+#define R_RELLONG_NEG 0x45
+
+/* This reloc identifies jmp insns with a 24bit target address;
+ the linker tries to turn these insns into bra insns with
+ an 8bit pc-relative target. */
+#define R_JMPL1 0x46
+
+/* This reloc identifies a bra with an 8-bit pc-relative
+ target that was formerly a jmp insn with a 24bit target. */
+#define R_JMPL2 0x47
+
+/* This reloc identifies mov.b instructions with a 24bit absolute
+ address. The linker tries to turn insns with this reloc into
+ an absolute 8-bit address. */
+
+#define R_MOV24B1 0x48
+
+/* This reloc identifies mov.b instructions which had a 24bit
+ absolute address which have been shortened into a 8-bit
+ absolute address. */
+#define R_MOV24B2 0x49
+
+/* An h8300 memory indirect jump/call. Forces the address of the jump/call
+ target into the function vector (in page zero), and the address of the
+ vector entry to be placed in the jump/call instruction. */
+#define R_MEM_INDIRECT 0x4a
+
+/* This reloc identifies a 16bit pc-relative branch target which was
+ shortened into an 8bit pc-relative branch target. */
+#define R_PCRWORD_B 0x4b
+
+/* This reloc identifies mov.[wl] instructions with a 32/24 bit
+ absolute address; the linker may turn this into a mov.[wl]
+ insn with a 16bit absolute address. */
+#define R_MOVL1 0x4c
+
+/* This reloc identifies mov.[wl] insns which formerly had
+ a 32/24bit absolute address and now have a 16bit absolute address. */
+#define R_MOVL2 0x4d
+
+/* This reloc identifies a bCC:8 which will have it's condition
+ inverted and its target redirected to the target of the branch
+ in the following insn. */
+#define R_BCC_INV 0x4e
+
+/* This reloc identifies a jmp instruction that has been deleted. */
+#define R_JMP_DEL 0x4f
+
+/* Z8k modes */
+#define R_IMM16 0x01 /* 16 bit abs */
+#define R_JR 0x02 /* jr 8 bit disp */
+#define R_IMM4L 0x23 /* low nibble */
+#define R_IMM8 0x22 /* 8 bit abs */
+#define R_IMM32 R_RELLONG /* 32 bit abs */
+#define R_CALL R_DA /* Absolute address which could be a callr */
+#define R_JP R_DA /* Absolute address which could be a jp */
+#define R_REL16 0x04 /* 16 bit PC rel */
+#define R_CALLR 0x05 /* callr 12 bit disp */
+#define R_SEG 0x10 /* set if in segmented mode */
+#define R_IMM4H 0x24 /* high nibble */
+#define R_DISP7 0x25 /* djnz displacement */
+
+/* Z80 modes */
+#define R_OFF8 0x32 /* 8 bit signed abs, for (i[xy]+d) */
+#define R_IMM24 0x33 /* 24 bit abs */
+/* R_JR, R_IMM8, R_IMM16, R_IMM32 - as for Z8k */
+
+#endif /* GNU_COFF_INTERNAL_H */
projects / deliverable / binutils-gdb.git / blobdiff