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add588a8ef
XCOFF assembly defines the visibility using an additional argument
on several pseudo-ops: .globl, .weak, .extern and .comm.
This implies that .globl and .weak syntax is different than the
usual GNU syntax. But we want to provide compatibility with AIX
assembler, especially because GCC is generating the visibility
using this XCOFF syntax.
PR 22085
bfd/ChangeLog:
* coffcode.h (coff_write_object_contents): Change XCOFF header
vstamp field to 2.
* coffgen.c (coff_print_symbol): Increase the size for n_type.
gas/ChangeLog:
* config/tc-ppc.c (ppc_xcoff_get_visibility): New function.
(ppc_globl): New function.
(ppc_weak): New function.
(ppc_comm): Add visibility field support.
(ppc_extern): Likewise.
* testsuite/gas/all/cofftag.d: Adjust to new n_type size
providing by objdump.
* testsuite/gas/ppc/test1xcoff32.d: Likewise.
* testsuite/gas/ppc/aix.exp: Add new tests.
* testsuite/gas/ppc/xcoff-visibility-1-32.d: New test.
* testsuite/gas/ppc/xcoff-visibility-1-64.d: New test.
* testsuite/gas/ppc/xcoff-visibility-1.s: New test.
include/ChangeLog:
* coff/internal.h (SYM_V_INTERNAL, SYM_V_HIDDEN,
SYM_V_PROTECTED, SYM_V_EXPORTED, SYM_V_MASK): New defines.
* coff/xcoff.h (struct xcoff_link_hash_entry): Add visibility
field.
ld/ChangeLog:
* testsuite/ld-pe/pr19803.d: Adjust to new n_type size
providing by objdump.
698 lines
25 KiB
C
698 lines
25 KiB
C
/* Internal format of COFF object file data structures, for GNU BFD.
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This file is part of BFD, the Binary File Descriptor library.
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Copyright (C) 1999-2022 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#ifndef GNU_COFF_INTERNAL_H
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#define GNU_COFF_INTERNAL_H 1
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/* First, make "signed char" work, even on old compilers. */
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#ifndef signed
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#ifndef __STDC__
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#define signed /**/
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#endif
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#endif
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/********************** FILE HEADER **********************/
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/* extra stuff in a PE header. */
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struct internal_extra_pe_filehdr
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{
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/* DOS header data follows for PE stuff */
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unsigned short e_magic; /* Magic number, 0x5a4d */
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unsigned short e_cblp; /* Bytes on last page of file, 0x90 */
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unsigned short e_cp; /* Pages in file, 0x3 */
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unsigned short e_crlc; /* Relocations, 0x0 */
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unsigned short e_cparhdr; /* Size of header in paragraphs, 0x4 */
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unsigned short e_minalloc; /* Minimum extra paragraphs needed, 0x0 */
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unsigned short e_maxalloc; /* Maximum extra paragraphs needed, 0xFFFF */
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unsigned short e_ss; /* Initial (relative) SS value, 0x0 */
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unsigned short e_sp; /* Initial SP value, 0xb8 */
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unsigned short e_csum; /* Checksum, 0x0 */
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unsigned short e_ip; /* Initial IP value, 0x0 */
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unsigned short e_cs; /* Initial (relative) CS value, 0x0 */
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unsigned short e_lfarlc; /* File address of relocation table, 0x40 */
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unsigned short e_ovno; /* Overlay number, 0x0 */
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unsigned short e_res[4]; /* Reserved words, all 0x0 */
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unsigned short e_oemid; /* OEM identifier (for e_oeminfo), 0x0 */
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unsigned short e_oeminfo; /* OEM information; e_oemid specific, 0x0 */
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unsigned short e_res2[10]; /* Reserved words, all 0x0 */
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bfd_vma e_lfanew; /* File address of new exe header, 0x80 */
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unsigned int dos_message[16]; /* Text which always follows DOS header. */
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bfd_vma nt_signature; /* required NT signature, 0x4550 */
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};
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struct internal_filehdr
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{
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struct internal_extra_pe_filehdr pe;
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/* Standard coff internal info. */
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unsigned short f_magic; /* magic number */
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unsigned int f_nscns; /* number of sections */
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long f_timdat; /* time & date stamp */
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bfd_vma f_symptr; /* file pointer to symtab */
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long f_nsyms; /* number of symtab entries */
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unsigned short f_opthdr; /* sizeof(optional hdr) */
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unsigned short f_flags; /* flags */
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unsigned short f_target_id; /* (TI COFF specific) */
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};
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/* Bits for f_flags:
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F_RELFLG relocation info stripped from file
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F_EXEC file is executable (no unresolved external references)
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F_LNNO line numbers stripped from file
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F_LSYMS local symbols stripped from file
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F_AR16WR file is 16-bit little-endian
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F_AR32WR file is 32-bit little-endian
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F_AR32W file is 32-bit big-endian
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F_DYNLOAD rs/6000 aix: dynamically loadable w/imports & exports
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F_SHROBJ rs/6000 aix: file is a shared object
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F_DLL PE format DLL */
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#define F_RELFLG (0x0001)
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#define F_EXEC (0x0002)
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#define F_LNNO (0x0004)
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#define F_LSYMS (0x0008)
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#define F_AR16WR (0x0080)
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#define F_AR32WR (0x0100)
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#define F_AR32W (0x0200)
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#define F_DYNLOAD (0x1000)
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#define F_SHROBJ (0x2000)
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#define F_DLL (0x2000)
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/* Extra structure which is used in the optional header. */
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typedef struct _IMAGE_DATA_DIRECTORY
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{
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bfd_vma VirtualAddress;
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long Size;
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} IMAGE_DATA_DIRECTORY;
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#define PE_EXPORT_TABLE 0
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#define PE_IMPORT_TABLE 1
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#define PE_RESOURCE_TABLE 2
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#define PE_EXCEPTION_TABLE 3
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#define PE_CERTIFICATE_TABLE 4
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#define PE_BASE_RELOCATION_TABLE 5
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#define PE_DEBUG_DATA 6
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#define PE_ARCHITECTURE 7
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#define PE_GLOBAL_PTR 8
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#define PE_TLS_TABLE 9
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#define PE_LOAD_CONFIG_TABLE 10
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#define PE_BOUND_IMPORT_TABLE 11
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#define PE_IMPORT_ADDRESS_TABLE 12
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#define PE_DELAY_IMPORT_DESCRIPTOR 13
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#define PE_CLR_RUNTIME_HEADER 14
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/* DataDirectory[15] is currently reserved, so no define. */
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#define IMAGE_NUMBEROF_DIRECTORY_ENTRIES 16
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/* Extra structure used in debug directory. */
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struct internal_IMAGE_DEBUG_DIRECTORY
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{
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unsigned long Characteristics;
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unsigned long TimeDateStamp;
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unsigned short MajorVersion;
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unsigned short MinorVersion;
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unsigned long Type;
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unsigned long SizeOfData;
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unsigned long AddressOfRawData;
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unsigned long PointerToRawData;
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};
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#define PE_IMAGE_DEBUG_TYPE_UNKNOWN 0
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#define PE_IMAGE_DEBUG_TYPE_COFF 1
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#define PE_IMAGE_DEBUG_TYPE_CODEVIEW 2
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#define PE_IMAGE_DEBUG_TYPE_FPO 3
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#define PE_IMAGE_DEBUG_TYPE_MISC 4
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#define PE_IMAGE_DEBUG_TYPE_EXCEPTION 5
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#define PE_IMAGE_DEBUG_TYPE_FIXUP 6
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#define PE_IMAGE_DEBUG_TYPE_OMAP_TO_SRC 7
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#define PE_IMAGE_DEBUG_TYPE_OMAP_FROM_SRC 8
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#define PE_IMAGE_DEBUG_TYPE_BORLAND 9
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#define PE_IMAGE_DEBUG_TYPE_RESERVED10 10
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#define PE_IMAGE_DEBUG_TYPE_CLSID 11
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#define PE_IMAGE_DEBUG_TYPE_VC_FEATURE 12
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#define PE_IMAGE_DEBUG_TYPE_POGO 13
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#define PE_IMAGE_DEBUG_TYPE_ILTCG 14
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#define PE_IMAGE_DEBUG_TYPE_MPX 15
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#define PE_IMAGE_DEBUG_TYPE_REPRO 16
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/* Extra structure for a codeview debug record */
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#define CV_INFO_SIGNATURE_LENGTH 16
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typedef struct _CODEVIEW_INFO
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{
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unsigned long CVSignature;
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char Signature[CV_INFO_SIGNATURE_LENGTH];
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unsigned int SignatureLength;
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unsigned long Age;
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/* char PdbFileName[]; */
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} CODEVIEW_INFO;
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/* Default image base for NT. */
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#define NT_EXE_IMAGE_BASE 0x400000
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#define NT_DLL_IMAGE_BASE 0x10000000
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/* Default image base for BeOS. */
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#define BEOS_EXE_IMAGE_BASE 0x80000000
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#define BEOS_DLL_IMAGE_BASE 0x10000000
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/* Extra stuff in a PE aouthdr */
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#define PE_DEF_SECTION_ALIGNMENT 0x1000
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#ifndef PE_DEF_FILE_ALIGNMENT
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# define PE_DEF_FILE_ALIGNMENT 0x200
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#endif
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struct internal_extra_pe_aouthdr
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{
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/* FIXME: The following entries are in AOUTHDR. But they aren't
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available internally in bfd. We add them here so that objdump
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can dump them. */
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/* The state of the image file. */
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short Magic;
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/* Linker major version number. */
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char MajorLinkerVersion;
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/* Linker minor version number. */
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char MinorLinkerVersion;
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/* Total size of all code sections. */
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bfd_vma SizeOfCode;
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/* Total size of all initialized data sections. */
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bfd_vma SizeOfInitializedData;
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/* Total size of all uninitialized data sections. */
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bfd_vma SizeOfUninitializedData;
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/* Address of entry point relative to image base. */
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bfd_vma AddressOfEntryPoint;
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/* Address of the first code section relative to image base. */
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bfd_vma BaseOfCode;
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/* Address of the first data section relative to image base. */
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bfd_vma BaseOfData;
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/* PE stuff */
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bfd_vma ImageBase; /* Address of specific location in memory that
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file is located, NT default 0x10000. */
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uint32_t SectionAlignment; /* Section alignment default 0x1000. */
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uint32_t FileAlignment; /* File alignment default 0x200. */
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short MajorOperatingSystemVersion; /* Minimum version of the operating. */
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short MinorOperatingSystemVersion; /* System req'd for exe, default 1. */
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short MajorImageVersion; /* User defineable field to store version of */
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short MinorImageVersion; /* exe or dll being created, default to 0. */
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short MajorSubsystemVersion; /* Minimum subsystem version required to */
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short MinorSubsystemVersion; /* run exe; default to 3.1. */
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uint32_t Reserved1; /* Seems to be 0. */
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uint32_t SizeOfImage; /* Size of memory to allocate for prog. */
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uint32_t SizeOfHeaders; /* Size of PE header and section table. */
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uint32_t CheckSum; /* Set to 0. */
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short Subsystem;
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/* Type of subsystem exe uses for user interface,
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possible values:
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1 - NATIVE Doesn't require a subsystem
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2 - WINDOWS_GUI runs in Windows GUI subsystem
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3 - WINDOWS_CUI runs in Windows char sub. (console app)
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5 - OS2_CUI runs in OS/2 character subsystem
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7 - POSIX_CUI runs in Posix character subsystem. */
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unsigned short DllCharacteristics; /* flags for DLL init. */
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bfd_vma SizeOfStackReserve; /* Amount of memory to reserve. */
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bfd_vma SizeOfStackCommit; /* Amount of memory initially committed for
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initial thread's stack, default 0x1000. */
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bfd_vma SizeOfHeapReserve; /* Amount of virtual memory to reserve and */
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bfd_vma SizeOfHeapCommit; /* commit, don't know what to defaut it to. */
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uint32_t LoaderFlags; /* Can probably set to 0. */
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uint32_t NumberOfRvaAndSizes; /* Number of entries in next entry, 16. */
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IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
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};
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/********************** AOUT "OPTIONAL HEADER" **********************/
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struct internal_aouthdr
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{
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short magic; /* type of file */
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short vstamp; /* version stamp */
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bfd_vma tsize; /* text size in bytes, padded to FW bdry*/
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bfd_vma dsize; /* initialized data " " */
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bfd_vma bsize; /* uninitialized data " " */
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bfd_vma entry; /* entry pt. */
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bfd_vma text_start; /* base of text used for this file */
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bfd_vma data_start; /* base of data used for this file */
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/* RS/6000 stuff */
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bfd_vma o_toc; /* address of TOC */
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short o_snentry; /* section number for entry point */
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short o_sntext; /* section number for text */
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short o_sndata; /* section number for data */
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short o_sntoc; /* section number for toc */
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short o_snloader; /* section number for loader section */
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short o_snbss; /* section number for bss */
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short o_algntext; /* max alignment for text */
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short o_algndata; /* max alignment for data */
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short o_modtype; /* Module type field, 1R,RE,RO */
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short o_cputype; /* Encoded CPU type */
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bfd_vma o_maxstack; /* max stack size allowed. */
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bfd_vma o_maxdata; /* max data size allowed. */
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char o_flags; /* Flags and TLS alignment */
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short o_sntdata; /* section number for tdata */
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short o_sntbss; /* section number for tbss */
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short o_x64flags; /* XCOFF64 flags */
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/* ECOFF stuff */
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bfd_vma bss_start; /* Base of bss section. */
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bfd_vma gp_value; /* GP register value. */
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unsigned long gprmask; /* General registers used. */
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unsigned long cprmask[4]; /* Coprocessor registers used. */
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unsigned long fprmask; /* Floating pointer registers used. */
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/* Apollo stuff */
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long o_inlib; /* inlib data */
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long o_sri; /* Static Resource Information */
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long vid[2]; /* Version id */
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struct internal_extra_pe_aouthdr pe;
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};
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/********************** STORAGE CLASSES **********************/
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/* This used to be defined as -1, but now n_sclass is unsigned. */
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#define C_EFCN 0xff /* physical end of function */
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#define C_NULL 0
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#define C_AUTO 1 /* automatic variable */
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#define C_EXT 2 /* external symbol */
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#define C_STAT 3 /* static */
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#define C_REG 4 /* register variable */
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#define C_EXTDEF 5 /* external definition */
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#define C_LABEL 6 /* label */
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#define C_ULABEL 7 /* undefined label */
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#define C_MOS 8 /* member of structure */
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#define C_ARG 9 /* function argument */
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#define C_STRTAG 10 /* structure tag */
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#define C_MOU 11 /* member of union */
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#define C_UNTAG 12 /* union tag */
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#define C_TPDEF 13 /* type definition */
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#define C_USTATIC 14 /* undefined static */
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#define C_ENTAG 15 /* enumeration tag */
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#define C_MOE 16 /* member of enumeration */
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#define C_REGPARM 17 /* register parameter */
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#define C_FIELD 18 /* bit field */
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#define C_AUTOARG 19 /* auto argument */
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#define C_LASTENT 20 /* dummy entry (end of block) */
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#define C_BLOCK 100 /* ".bb" or ".eb" */
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#define C_FCN 101 /* ".bf" or ".ef" */
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#define C_EOS 102 /* end of structure */
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#define C_FILE 103 /* file name */
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#define C_LINE 104 /* line # reformatted as symbol table entry */
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#define C_ALIAS 105 /* duplicate tag */
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#define C_HIDDEN 106 /* ext symbol in dmert public lib */
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#define C_WEAKEXT 127 /* weak symbol -- GNU extension. */
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/* New storage classes for TI COFF */
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#define C_UEXT 19 /* Tentative external definition */
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#define C_STATLAB 20 /* Static load time label */
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#define C_EXTLAB 21 /* External load time label */
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#define C_SYSTEM 23 /* System Wide variable */
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/* New storage classes for WINDOWS_NT */
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#define C_SECTION 104 /* section name */
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#define C_NT_WEAK 105 /* weak external */
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/* New storage classes for 80960 */
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/* C_LEAFPROC is obsolete. Use C_LEAFEXT or C_LEAFSTAT */
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#define C_LEAFPROC 108 /* Leaf procedure, "call" via BAL */
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#define C_SCALL 107 /* Procedure reachable via system call */
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#define C_LEAFEXT 108 /* External leaf */
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#define C_LEAFSTAT 113 /* Static leaf */
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#define C_OPTVAR 109 /* Optimized variable */
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#define C_DEFINE 110 /* Preprocessor #define */
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#define C_PRAGMA 111 /* Advice to compiler or linker */
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#define C_SEGMENT 112 /* 80960 segment name */
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/* New storage classes for RS/6000 */
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#define C_HIDEXT 107 /* Un-named external symbol */
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#define C_BINCL 108 /* Marks beginning of include file */
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#define C_EINCL 109 /* Marks ending of include file */
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#define C_AIX_WEAKEXT 111 /* AIX definition of C_WEAKEXT. */
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#define C_DWARF 112 /* DWARF symbol */
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#define C_NULL_VALUE 0x00de1e00 /* Value for a C_NULL deleted entry. */
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#if defined _AIX52 || defined AIX_WEAK_SUPPORT
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#undef C_WEAKEXT
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#define C_WEAKEXT C_AIX_WEAKEXT
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#endif
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/* storage classes for stab symbols for RS/6000 */
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#define C_GSYM (0x80)
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#define C_LSYM (0x81)
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#define C_PSYM (0x82)
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#define C_RSYM (0x83)
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#define C_RPSYM (0x84)
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#define C_STSYM (0x85)
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#define C_TCSYM (0x86)
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#define C_BCOMM (0x87)
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#define C_ECOML (0x88)
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#define C_ECOMM (0x89)
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#define C_DECL (0x8c)
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#define C_ENTRY (0x8d)
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#define C_FUN (0x8e)
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#define C_BSTAT (0x8f)
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#define C_ESTAT (0x90)
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#define C_GTLS (0x97)
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#define C_STTLS (0x98)
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/* Storage classes for Thumb symbols */
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#define C_THUMBEXT (128 + C_EXT) /* 130 */
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#define C_THUMBSTAT (128 + C_STAT) /* 131 */
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#define C_THUMBLABEL (128 + C_LABEL) /* 134 */
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#define C_THUMBEXTFUNC (C_THUMBEXT + 20) /* 150 */
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#define C_THUMBSTATFUNC (C_THUMBSTAT + 20) /* 151 */
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/* True if XCOFF symbols of class CLASS have auxiliary csect information. */
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#define CSECT_SYM_P(CLASS) \
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((CLASS) == C_EXT || (CLASS) == C_AIX_WEAKEXT || (CLASS) == C_HIDEXT)
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/********************** SECTION HEADER **********************/
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#define SCNNMLEN (8)
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struct internal_scnhdr
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{
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char s_name[SCNNMLEN] ATTRIBUTE_NONSTRING; /* section name */
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/* Physical address, aliased s_nlib.
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In the pei format, this field is the virtual section size
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(the size of the section after being loaded int memory),
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NOT the physical address. */
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bfd_vma s_paddr;
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bfd_vma s_vaddr; /* virtual address */
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bfd_vma s_size; /* section size */
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bfd_vma s_scnptr; /* file ptr to raw data for section */
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bfd_vma s_relptr; /* file ptr to relocation */
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bfd_vma s_lnnoptr; /* file ptr to line numbers */
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unsigned long s_nreloc; /* number of relocation entries */
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unsigned long s_nlnno; /* number of line number entries*/
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unsigned long s_flags; /* flags */
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unsigned char s_page; /* TI COFF load page */
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};
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/* s_flags "type". */
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#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))
|
|
|
|
/* 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 bfd_hostptr_t because these fields may be
|
|
used to hold pointers. We assume that this type is at least
|
|
as big as the long type. */
|
|
bfd_hostptr_t x_zeroes;
|
|
bfd_hostptr_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 */
|
|
};
|
|
|
|
#endif /* GNU_COFF_INTERNAL_H */
|