1999-05-03 07:29:11 +00:00
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/* ELF support for BFD.
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2001-03-14 02:27:44 +00:00
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Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
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2004-06-19 02:21:14 +00:00
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2001, 2002, 2003, 2004
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2000-02-22 07:34:57 +00:00
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Free Software Foundation, Inc.
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1999-05-03 07:29:11 +00:00
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Written by Fred Fish @ Cygnus Support, from information published
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in "UNIX System V Release 4, Programmers Guide: ANSI C and
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Programming Support Tools".
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2003-04-15 08:51:55 +00:00
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This file is part of BFD, the Binary File Descriptor library.
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1999-05-03 07:29:11 +00:00
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2003-04-15 08:51:55 +00:00
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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 2 of the License, or
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(at your option) any later version.
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1999-05-03 07:29:11 +00:00
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2003-04-15 08:51:55 +00:00
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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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1999-05-03 07:29:11 +00:00
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2003-04-15 08:51:55 +00:00
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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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2005-05-10 10:21:13 +00:00
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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1999-05-03 07:29:11 +00:00
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/* This file is part of ELF support for BFD, and contains the portions
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that are common to both the internal and external representations.
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For example, ELFMAG0 is the byte 0x7F in both the internal (in-memory)
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2003-04-15 08:51:55 +00:00
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and external (in-file) representations. */
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1999-05-03 07:29:11 +00:00
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#ifndef _ELF_COMMON_H
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#define _ELF_COMMON_H
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2003-04-15 08:51:55 +00:00
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/* Fields in e_ident[]. */
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1999-05-03 07:29:11 +00:00
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#define EI_MAG0 0 /* File identification byte 0 index */
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2003-01-17 01:32:46 +00:00
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#define ELFMAG0 0x7F /* Magic number byte 0 */
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1999-05-03 07:29:11 +00:00
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#define EI_MAG1 1 /* File identification byte 1 index */
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2003-01-17 01:32:46 +00:00
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#define ELFMAG1 'E' /* Magic number byte 1 */
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1999-05-03 07:29:11 +00:00
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#define EI_MAG2 2 /* File identification byte 2 index */
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2003-01-17 01:32:46 +00:00
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#define ELFMAG2 'L' /* Magic number byte 2 */
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1999-05-03 07:29:11 +00:00
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#define EI_MAG3 3 /* File identification byte 3 index */
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2003-01-17 01:32:46 +00:00
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#define ELFMAG3 'F' /* Magic number byte 3 */
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1999-05-03 07:29:11 +00:00
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#define EI_CLASS 4 /* File class */
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2003-01-17 01:32:46 +00:00
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#define ELFCLASSNONE 0 /* Invalid class */
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#define ELFCLASS32 1 /* 32-bit objects */
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#define ELFCLASS64 2 /* 64-bit objects */
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1999-05-03 07:29:11 +00:00
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#define EI_DATA 5 /* Data encoding */
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2003-01-17 01:32:46 +00:00
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#define ELFDATANONE 0 /* Invalid data encoding */
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#define ELFDATA2LSB 1 /* 2's complement, little endian */
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#define ELFDATA2MSB 2 /* 2's complement, big endian */
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1999-05-03 07:29:11 +00:00
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#define EI_VERSION 6 /* File version */
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2003-01-17 01:32:46 +00:00
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#define EI_OSABI 7 /* Operating System/ABI indication */
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#define ELFOSABI_NONE 0 /* UNIX System V ABI */
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#define ELFOSABI_HPUX 1 /* HP-UX operating system */
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#define ELFOSABI_NETBSD 2 /* NetBSD */
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#define ELFOSABI_LINUX 3 /* GNU/Linux */
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#define ELFOSABI_HURD 4 /* GNU/Hurd */
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#define ELFOSABI_SOLARIS 6 /* Solaris */
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#define ELFOSABI_AIX 7 /* AIX */
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#define ELFOSABI_IRIX 8 /* IRIX */
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#define ELFOSABI_FREEBSD 9 /* FreeBSD */
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#define ELFOSABI_TRU64 10 /* TRU64 UNIX */
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#define ELFOSABI_MODESTO 11 /* Novell Modesto */
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#define ELFOSABI_OPENBSD 12 /* OpenBSD */
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#define ELFOSABI_OPENVMS 13 /* OpenVMS */
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#define ELFOSABI_NSK 14 /* Hewlett-Packard Non-Stop Kernel */
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#define ELFOSABI_AROS 15 /* Amiga Research OS */
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#define ELFOSABI_ARM 97 /* ARM */
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#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
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#define EI_ABIVERSION 8 /* ABI version */
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1999-05-03 07:29:11 +00:00
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#define EI_PAD 9 /* Start of padding bytes */
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2000-11-22 23:19:15 +00:00
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/* Values for e_type, which identifies the object file type. */
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1999-05-03 07:29:11 +00:00
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#define ET_NONE 0 /* No file type */
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#define ET_REL 1 /* Relocatable file */
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#define ET_EXEC 2 /* Executable file */
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#define ET_DYN 3 /* Shared object file */
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#define ET_CORE 4 /* Core file */
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2003-01-17 01:32:46 +00:00
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#define ET_LOOS 0xFE00 /* Operating system-specific */
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#define ET_HIOS 0xFEFF /* Operating system-specific */
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1999-05-03 07:29:11 +00:00
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#define ET_LOPROC 0xFF00 /* Processor-specific */
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#define ET_HIPROC 0xFFFF /* Processor-specific */
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2000-11-27 21:52:56 +00:00
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/* Values for e_machine, which identifies the architecture. These numbers
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2002-06-06 09:59:38 +00:00
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are officially assigned by registry@caldera.com. See below for a list of
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2000-11-27 21:52:56 +00:00
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ad-hoc numbers used during initial development. */
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1999-05-03 07:29:11 +00:00
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2003-01-17 01:32:46 +00:00
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#define EM_NONE 0 /* No machine */
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#define EM_M32 1 /* AT&T WE 32100 */
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#define EM_SPARC 2 /* SUN SPARC */
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#define EM_386 3 /* Intel 80386 */
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#define EM_68K 4 /* Motorola m68k family */
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#define EM_88K 5 /* Motorola m88k family */
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#define EM_486 6 /* Intel 80486 *//* Reserved for future use */
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#define EM_860 7 /* Intel 80860 */
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#define EM_MIPS 8 /* MIPS R3000 (officially, big-endian only) */
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#define EM_S370 9 /* IBM System/370 */
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#define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian (Oct 4 1999 Draft) Deprecated */
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#define EM_PARISC 15 /* HPPA */
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#define EM_VPP550 17 /* Fujitsu VPP500 */
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#define EM_SPARC32PLUS 18 /* Sun's "v8plus" */
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#define EM_960 19 /* Intel 80960 */
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#define EM_PPC 20 /* PowerPC */
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#define EM_PPC64 21 /* 64-bit PowerPC */
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#define EM_S390 22 /* IBM S/390 */
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#define EM_V800 36 /* NEC V800 series */
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#define EM_FR20 37 /* Fujitsu FR20 */
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#define EM_RH32 38 /* TRW RH32 */
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#define EM_MCORE 39 /* Motorola M*Core */ /* May also be taken by Fujitsu MMA */
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#define EM_RCE 39 /* Old name for MCore */
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#define EM_ARM 40 /* ARM */
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#define EM_OLD_ALPHA 41 /* Digital Alpha */
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2003-04-23 21:09:04 +00:00
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#define EM_SH 42 /* Renesas (formerly Hitachi) / SuperH SH */
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2003-01-17 01:32:46 +00:00
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#define EM_SPARCV9 43 /* SPARC v9 64-bit */
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#define EM_TRICORE 44 /* Siemens Tricore embedded processor */
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#define EM_ARC 45 /* ARC Cores */
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2003-04-15 08:51:55 +00:00
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#define EM_H8_300 46 /* Renesas (formerly Hitachi) H8/300 */
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#define EM_H8_300H 47 /* Renesas (formerly Hitachi) H8/300H */
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#define EM_H8S 48 /* Renesas (formerly Hitachi) H8S */
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#define EM_H8_500 49 /* Renesas (formerly Hitachi) H8/500 */
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2003-01-17 01:32:46 +00:00
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#define EM_IA_64 50 /* Intel IA-64 Processor */
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#define EM_MIPS_X 51 /* Stanford MIPS-X */
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#define EM_COLDFIRE 52 /* Motorola Coldfire */
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#define EM_68HC12 53 /* Motorola M68HC12 */
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#define EM_MMA 54 /* Fujitsu Multimedia Accelerator */
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#define EM_PCP 55 /* Siemens PCP */
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#define EM_NCPU 56 /* Sony nCPU embedded RISC processor */
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#define EM_NDR1 57 /* Denso NDR1 microprocesspr */
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#define EM_STARCORE 58 /* Motorola Star*Core processor */
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#define EM_ME16 59 /* Toyota ME16 processor */
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#define EM_ST100 60 /* STMicroelectronics ST100 processor */
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#define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded processor */
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#define EM_X86_64 62 /* Advanced Micro Devices X86-64 processor */
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#define EM_PDP10 64 /* Digital Equipment Corp. PDP-10 */
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#define EM_PDP11 65 /* Digital Equipment Corp. PDP-11 */
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#define EM_FX66 66 /* Siemens FX66 microcontroller */
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#define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */
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#define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */
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#define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */
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#define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */
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#define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */
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#define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */
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#define EM_SVX 73 /* Silicon Graphics SVx */
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#define EM_ST19 74 /* STMicroelectronics ST19 8-bit cpu */
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#define EM_VAX 75 /* Digital VAX */
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#define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */
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#define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded cpu */
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#define EM_FIREPATH 78 /* Element 14 64-bit DSP processor */
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#define EM_ZSP 79 /* LSI Logic's 16-bit DSP processor */
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#define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */
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#define EM_HUANY 81 /* Harvard's machine-independent format */
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#define EM_PRISM 82 /* SiTera Prism */
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#define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */
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#define EM_FR30 84 /* Fujitsu FR30 */
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#define EM_D10V 85 /* Mitsubishi D10V */
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#define EM_D30V 86 /* Mitsubishi D30V */
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#define EM_V850 87 /* NEC v850 */
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2003-04-22 16:22:26 +00:00
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#define EM_M32R 88 /* Renesas M32R (formerly Mitsubishi M32R) */
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2003-01-17 01:32:46 +00:00
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#define EM_MN10300 89 /* Matsushita MN10300 */
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#define EM_MN10200 90 /* Matsushita MN10200 */
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#define EM_PJ 91 /* picoJava */
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#define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */
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#define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */
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#define EM_XTENSA 94 /* Tensilica Xtensa Architecture */
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#define EM_IP2K 101 /* Ubicom IP2022 micro controller */
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2004-03-30 14:04:32 +00:00
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#define EM_CR 103 /* National Semiconductor CompactRISC */
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2003-01-17 01:32:46 +00:00
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#define EM_MSP430 105 /* TI msp430 micro controller */
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2004-07-07 17:28:53 +00:00
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#define EM_CRX 114 /* National Semiconductor CRX */
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1999-05-03 07:29:11 +00:00
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/* If it is necessary to assign new unofficial EM_* values, please pick large
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random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision
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with official or non-GNU unofficial values.
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NOTE: Do not just increment the most recent number by one.
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Somebody else somewhere will do exactly the same thing, and you
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2000-11-27 21:52:56 +00:00
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will have a collision. Instead, pick a random number.
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Normally, each entity or maintainer responsible for a machine with an
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2002-06-06 09:59:38 +00:00
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unofficial e_machine number should eventually ask registry@caldera.com for
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2003-01-17 01:32:46 +00:00
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an officially blessed number to be added to the list above. */
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2000-11-27 21:52:56 +00:00
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2003-01-17 01:32:46 +00:00
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#define EM_PJ_OLD 99 /* picoJava */
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1999-05-03 07:29:11 +00:00
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/* Cygnus PowerPC ELF backend. Written in the absence of an ABI. */
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#define EM_CYGNUS_POWERPC 0x9025
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/* Old version of Sparc v9, from before the ABI; this should be
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removed shortly. */
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#define EM_OLD_SPARCV9 11
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/* Old version of PowerPC, this should be removed shortly. */
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#define EM_PPC_OLD 17
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2003-01-17 01:32:46 +00:00
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/* (Deprecated) Temporary number for the OpenRISC processor. */
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#define EM_OR32 0x8472
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2002-01-31 17:33:08 +00:00
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ChangeLog:
2005-07-14 Jim Blandy <jimb@redhat.com>
* configure.in: Add cases for Renesas m32c.
* configure: Regenerated.
bfd/ChangeLog:
2005-07-14 Jim Blandy <jimb@redhat.com>
Add support for m32c-*-elf (Renesas m32c and m16c).
* Makefile.am (ALL_MACHINES): Add cpu-m32c.lo.
(ALL_MACHINES_CFILES): Add cpu-m32c.c.
(BFD32_BACKENDS): Add elf32-m32c.lo.
(BFD32_BACKENDS_CFILES): Add elf32-m32c.c.
(cpu-m32c.lo, elf32-m32c.lo): New rules, generated by 'make dep-am'.
* Makefile.in: Regenerated.
* archures.c (bfd_arch_m32c, bfd_mach_m16c, bfd_mach_m32c): New
arch and mach codes.
(bfd_m32c_arch): New arch info object.
(bfd_archures_list): List bfd_m32c_arch.
* bfd-in2.h: Regenerated.
* config.bfd: Add case for the m32c.
* configure.in: Add case for the m32c.
* configure: Regenerated.
* cpu-m32c.c, elf32-m32c.c: New files.
* libbfd.h: Regenerated.
* targets.c (bfd_elf32_m32c_vec): Declare.
(_bfd_target_vector): List bfd_elf32_m32c_vec.
binutils/ChangeLog:
2005-07-14 Jim Blandy <jimb@redhat.com>
* readelf.c: #include "elf/m32c.h"
(guess_is_rela, dump_relocations, get_machine_name): Add cases for
EM_M32C.
* Makefile.am (readelf.o): Update dependencies.
* Makefile.in: Regenerated.
cpu/ChangeLog:
2005-07-14 Jim Blandy <jimb@redhat.com>
* m32c.cpu, m32c.opc: Machine description for the Renesas M32C.
gas/ChangeLog:
2005-07-14 Jim Blandy <jimb@redhat.com>
Add support for the Renesas M32C.
* Makefile.am (CPU_TYPES): List m32c.
(TARGET_CPU_CFILES): List config/tc-m32c.c.
(TARGET_CPU_HFILES): List config/tc-m32c.h.
* configure.in: Add case for m32c.
* configure.tgt: Add cases for m32c and m32c-*-elf.
* configure: Regenerated.
* config/tc-m32c.c, config/tc-m32c.h: New files.
* doc/Makefile.am (CPU_DOCS): Add c-m32c.texi.
* doc/Makefile.in: Regenerated.
* doc/all.texi: Set M32C.
* doc/as.texinfo: Add text for the M32C-specific options and line
comment characters, and refer to c-m32c.texi.
* doc/c-m32c.texi: New file.
include/ChangeLog:
2005-07-14 Jim Blandy <jimb@redhat.com>
* dis-asm.h (print_insn_m32c): New declaration.
include/elf/ChangeLog:
2005-07-14 Jim Blandy <jimb@redhat.com>
Add support for Renesas M32C and M16C.
* common.h (EM_M32C): New machine number.
* m32c.h: New file.
ld/ChangeLog:
2005-07-14 Jim Blandy <jimb@redhat.com>
Add support for the Renesas M32C and M16C.
* Makefile.am (ALL_EMULATIONS): Add eelf32m32c.o.
(eelf32m32c.c): New target.
* Makefile.in: Regenerated.
* configure.tgt: Add case for m32c-*-elf.
* emulparams/elf32m32c.sh: New file.
opcodes/ChangeLog:
2005-07-14 Jim Blandy <jimb@redhat.com>
Add support for the Renesas M32C and M16C.
* m32c-asm.c, m32c-desc.c, m32c-dis.c, m32c-ibld.c, m32c-opc.c: New.
* m32c-desc.h, m32c-opc.h: New.
* Makefile.am (HFILES): List m32c-desc.h and m32c-opc.h.
(CFILES): List m32c-asm.c, m32c-desc.c, m32c-dis.c, m32c-ibld.c,
m32c-opc.c.
(ALL_MACHINES): List m32c-asm.lo, m32c-desc.lo, m32c-dis.lo,
m32c-ibld.lo, m32c-opc.lo.
(CLEANFILES): List stamp-m32c.
(M32C_DEPS): List stamp-m32c, if CGEN_MAINT.
(CGEN_CPUS): Add m32c.
(m32c-asm.c, m32c-desc.c, m32c-dis.c, m32c-ibld.c, m32c-opc.c)
(m32c-desc.h, m32c-opc.h): Depend on M32C_DEPS.
(m32c_opc_h): New variable.
(stamp-m32c, m32c-asm.lo, m32c-desc.lo, m32c-dis.lo, m32c-ibld.lo)
(m32c-opc.lo): New rules.
* Makefile.in: Regenerated.
* configure.in: Add case for bfd_m32c_arch.
* configure: Regenerated.
* disassemble.c (ARCH_m32c): New.
[ARCH_m32c]: #include "m32c-desc.h".
(disassembler) [ARCH_m32c]: Add case for bfd_arch_m32c.
(disassemble_init_for_target) [ARCH_m32c]: Same.
* cgen-ops.h, cgen-types.h: New files.
* Makefile.am (HFILES): List them.
* Makefile.in: Regenerated.
2005-07-14 22:52:28 +00:00
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/* Renesas M32C and M16C. */
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#define EM_M32C 0xFEB0
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1999-05-03 07:29:11 +00:00
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/* Cygnus M32R ELF backend. Written in the absence of an ABI. */
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2003-01-17 01:32:46 +00:00
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#define EM_CYGNUS_M32R 0x9041
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1999-05-03 07:29:11 +00:00
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/* Alpha backend magic number. Written in the absence of an ABI. */
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#define EM_ALPHA 0x9026
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2001-02-10 00:58:38 +00:00
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/* old S/390 backend magic number. Written in the absence of an ABI. */
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#define EM_S390_OLD 0xa390
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1999-05-03 07:29:11 +00:00
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/* D10V backend magic number. Written in the absence of an ABI. */
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#define EM_CYGNUS_D10V 0x7650
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/* D30V backend magic number. Written in the absence of an ABI. */
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#define EM_CYGNUS_D30V 0x7676
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/* V850 backend magic number. Written in the absense of an ABI. */
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#define EM_CYGNUS_V850 0x9080
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/* mn10200 and mn10300 backend magic numbers.
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Written in the absense of an ABI. */
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#define EM_CYGNUS_MN10200 0xdead
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#define EM_CYGNUS_MN10300 0xbeef
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/* FR30 magic number - no EABI available. */
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#define EM_CYGNUS_FR30 0x3330
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2000-03-27 08:39:14 +00:00
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/* AVR magic number
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Written in the absense of an ABI. */
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* common.h (EM_AVR_OLD): Renamed from...
(EM_AVR): this, redefined as in the current ELF standard.
(EM_PJ_OLD): Renamed from...
(EM_PJ): this, redefined as in the current ELF standard.
(EM_R30, EM_D10V, EM_D30V, EM_V850, EM_M32R, EM_MN10300,
EM_MN10200, EM_OPENRISC, EM_ARC_A5, EM_XTENSA): Defined as in
the current ELF standard.
(EM_CYGNUS_ARC): Removed, unused for a long time.
2001-09-12 23:53:09 +00:00
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#define EM_AVR_OLD 0x1057
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2000-03-27 08:39:14 +00:00
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2001-04-24 15:08:16 +00:00
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/* OpenRISC magic number
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Written in the absense of an ABI. */
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2001-09-13 21:02:21 +00:00
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#define EM_OPENRISC_OLD 0x3426
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2001-04-24 15:08:16 +00:00
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2002-05-28 14:08:47 +00:00
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/* DLX magic number
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Written in the absense of an ABI. */
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#define EM_DLX 0x5aa5
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2003-01-17 01:32:46 +00:00
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#define EM_XSTORMY16 0xad45
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2001-12-08 03:46:03 +00:00
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2002-06-18 21:15:57 +00:00
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/* FRV magic number - no EABI available??. */
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#define EM_CYGNUS_FRV 0x5441
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2002-07-17 14:18:37 +00:00
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/* Ubicom IP2xxx; no ABI */
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2003-05-21 00:55:15 +00:00
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#define EM_IP2K_OLD 0x8217
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2002-07-17 14:18:37 +00:00
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2005-06-07 21:10:08 +00:00
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#define EM_MS1 0x2530 /* Morpho MS1; no ABI */
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2002-12-30 19:25:13 +00:00
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/* MSP430 magic number
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Written in the absense everything. */
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#define EM_MSP430_OLD 0x1059
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2003-01-13 16:37:47 +00:00
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/* Vitesse IQ2000. */
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2003-01-03 18:03:18 +00:00
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#define EM_IQ2000 0xFEBA
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2003-04-01 15:50:31 +00:00
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/* Old, unofficial value for Xtensa. */
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#define EM_XTENSA_OLD 0xabc7
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1999-05-03 07:29:11 +00:00
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/* See the above comment before you add a new EM_* value here. */
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2000-11-22 23:19:15 +00:00
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/* Values for e_version. */
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1999-05-03 07:29:11 +00:00
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#define EV_NONE 0 /* Invalid ELF version */
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#define EV_CURRENT 1 /* Current version */
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2000-11-22 23:19:15 +00:00
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/* Values for program header, p_type field. */
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1999-05-03 07:29:11 +00:00
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2003-01-17 01:32:46 +00:00
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#define PT_NULL 0 /* Program header table entry unused */
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1999-05-03 07:29:11 +00:00
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#define PT_LOAD 1 /* Loadable program segment */
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#define PT_DYNAMIC 2 /* Dynamic linking information */
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#define PT_INTERP 3 /* Program interpreter */
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#define PT_NOTE 4 /* Auxiliary information */
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#define PT_SHLIB 5 /* Reserved, unspecified semantics */
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#define PT_PHDR 6 /* Entry for header table itself */
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* elf.c (_bfd_elf_make_section_from_shdr): Set SEC_THREAD_LOCAL
for symbols from SHF_TLS section.
(_bfd_elf_print_private_bfd_data): Add PT_TLS.
(elf_fake_sections): Set SHF_TLS for SEC_THREAD_LOCAL sections.
(map_sections_to_segments): Build PT_TLS segment if necessary.
(assign_file_positions_for_segments): Likewise.
(get_program_header_size): Account for PT_TLS segment.
(swap_out_syms): Set type of BSF_THREAD_LOCAL symbols and symbols from
SEC_THREAD_LOCAL sections to STT_TLS.
* reloc.c: Add 386 and IA-64 TLS relocs.
* section.c (SEC_THREAD_LOCAL): Define.
(SEC_CONSTRUCTOR_TEXT, SEC_CONSTRUCTOR_DATA, SEC_CONSTRUCTOR_BSS):
Remove.
* elflink.h (elf_link_add_object_symbols): Support .tcommon.
(size_dynamic_sections): If DF_STATIC_TLS, set DF_FLAGS
unconditionally.
(struct elf_final_link_info): Add first_tls_sec.
(elf_bfd_final_link): Set first_tls_sec.
Compute elf_hash_table (info)->tls_segment.
(elf_link_output_extsym): Handle STT_TLS symbols.
(elf_link_input_bfd): Likewise.
* syms.c (BSF_THREAD_LOCAL): Define.
* bfd-in2.h: Rebuilt.
* libbfd.h: Rebuilt.
* elf32-i386.c (elf_i386_tls_transition, dtpoff_base, tpoff,
elf_i386_mkobject, elf_i386_object_p): New functions.
(elf_howto_table): Add TLS relocs.
(elf_i386_reloc_type_lookup): Support TLS relocs.
(elf_i386_info_to_howto_rel): Likewise.
(struct elf_i386_link_hash_entry): Add tls_type.
(struct elf_i386_obj_tdata): New.
(elf_i386_hash_entry, elf_i386_tdata, elf_i386_local_got_tls_type):
New macros.
(struct elf_i386_link_hash_table): Add tls_ldm_got.
(link_hash_newfunc): Clear tls_type.
(elf_i386_check_relocs): Support TLS relocs.
(elf_i386_gc_sweep_hook): Likewise.
(allocate_dynrelocs): Likewise.
(elf_i386_size_dynamic_sections): Likewise.
(elf_i386_relocate_section): Likewise.
(elf_i386_finish_dynamic_symbol): Likewise.
(bfd_elf32_mkobject, elf_backend_object_p): Define.
* elfxx-ia64.c (struct elfNN_ia64_dyn_sym_info): Add tprel_offset,
dtpmod_offset, dtprel_offset, tprel_done, dtpmod_done, dtprel_done,
want_tprel, want_dtpmod, want_dtprel.
(elfNN_ia64_tprel_base, elfNN_ia64_dtprel_base): New functions.
(ia64_howto_table): Add TLS relocs, rename R_IA64_LTOFF_TP22 to
R_IA64_LTOFF_TPREL22.
(elf_code_to_howto_index): Add TLS relocs.
(elfNN_ia64_check_relocs): Support TLS relocs.
(allocate_global_data_got): Account for TLS .got data.
(allocate_dynrel_entries): Account for TLS dynamic relocations.
(elfNN_ia64_install_value): Supprt TLS relocs.
(set_got_entry): Support TLS relocs.
(elfNN_ia64_relocate_section): Likewise.
* config/obj-elf.c (elf_common): Renamed from obj_elf_common.
(obj_elf_common): Call elf_common.
(obj_elf_tls_common): New function.
(elf_pseudo_tab): Support .tls_common.
(special_sections): Add .tdata and .tbss.
(obj_elf_change_section): Set SEC_THREAD_LOCAL for SHF_TLS
sections.
(obj_elf_parse_section_letters): Support T in section flags (SHF_TLS).
(obj_elf_parse_section_letters): Include T in error message.
* config/tc-ppc.c (ppc_section_letter): Likewise.
* config/tc-alpha.c (alpha_elf_section_letter): Likewise.
(tc_gen_reloc): Handle SEC_THREAD_LOCAL the same way as
SEC_MERGE.
* config/tc-sparc.c (md_apply_fix3): Likewise.
* config/tc-i386.c (tc_i386_fix_adjustable): Add TLS relocs.
Define them if not BFD_ASSEMBLER.
(lex_got): Support @TLSGD, @TLSLDM, @GOTTPOFF, @TPOFF, @DTPOFF
and @NTPOFF.
(md_apply_fix3): Add TLS relocs.
* config/tc-ia64.c (enum reloc_func): Add FUNC_DTP_MODULE,
FUNC_DTP_RELATIVE, FUNC_TP_RELATIVE, FUNC_LT_DTP_MODULE,
FUNC_LT_DTP_RELATIVE, FUNC_LT_TP_RELATIVE.
(pseudo_func): Support @dtpmod(), @dtprel() and @tprel().
(ia64_elf_section_letter): Include T in error message.
(md_begin): Support TLS operators.
(md_operand): Likewise.
(ia64_gen_real_reloc_type): Support TLS relocs.
* testsuite/gas/i386/tlspic.s: New file.
* testsuite/gas/i386/tlsd.s: New file.
* testsuite/gas/i386/tlsnopic.s: New file.
* testsuite/gas/i386/tlsd.d: New file.
* testsuite/gas/i386/tlsnopic.d: New file.
* testsuite/gas/i386/tlspic.d: New file.
* testsuite/gas/i386/i386.exp: Add tlsd, tlsnopic and tlspic tests.
* testsuite/gas/ia64/tls.s: New file.
* testsuite/gas/ia64/tls.d: New file.
* testsuite/gas/ia64/ia64.exp: Add tls test.
* write.c (adjust_reloc_syms): Don't change symbols in
SEC_THREAD_LOCAL sections to STT_SECTION + addend.
* elf/common.h (PT_TLS, SHF_TLS, STT_TLS, DF_STATIC_TLS): Define.
* elf/ia64.h (R_IA64_LTOFF_TPREL22): Renamed from R_IA64_LTOFF_TP22.
* elf/i386.h: Add TLS relocs.
* scripttempl/elf.sc: Add .rel{,a}.t{bss,data}, .tdata and .tbss.
* ldlang.c (lang_add_section): Set SEC_THREAD_LOCAL for
output section if necessary. Handle .tbss.
(lang_size_sections): Clear _raw_size for .tbss section
(it allocates space in PT_TLS segment only).
* ldwrite.c (build_link_order): Build link order for .tbss too.
* readelf.c (get_segment_type): Add PT_TLS.
(get_elf_section_flags): Add SHF_TLS.
(get_dynamic_flags): Optimize. Add DF_STATIC_TLS.
(process_dynamic_segment): Use puts instead of printf.
(get_symbol_type): Support STT_TLS.
* objdump.c (dump_section_header): Remove SEC_CONSTRUCTOR_TEXT,
SEC_CONSTRUCTOR_DATA, SEC_CONSTRUCTOR_BSS.
Add SEC_THREAD_LOCAL.
2002-05-23 13:12:53 +00:00
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#define PT_TLS 7 /* Thread local storage segment */
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2003-01-17 01:32:46 +00:00
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#define PT_LOOS 0x60000000 /* OS-specific */
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#define PT_HIOS 0x6fffffff /* OS-specific */
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1999-05-03 07:29:11 +00:00
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#define PT_LOPROC 0x70000000 /* Processor-specific */
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#define PT_HIPROC 0x7FFFFFFF /* Processor-specific */
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2004-05-11 17:08:38 +00:00
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#define PT_GNU_EH_FRAME (PT_LOOS + 0x474e550) /* Frame unwind information */
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2004-10-08 13:55:11 +00:00
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#define PT_SUNW_EH_FRAME PT_GNU_EH_FRAME /* Solaris uses the same value */
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2004-05-11 17:08:38 +00:00
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#define PT_GNU_STACK (PT_LOOS + 0x474e551) /* Stack flags */
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#define PT_GNU_RELRO (PT_LOOS + 0x474e552) /* Read-only after relocation */
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2001-12-13 11:09:34 +00:00
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2000-11-22 23:19:15 +00:00
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/* Program segment permissions, in program header p_flags field. */
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1999-05-03 07:29:11 +00:00
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#define PF_X (1 << 0) /* Segment is executable */
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#define PF_W (1 << 1) /* Segment is writable */
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#define PF_R (1 << 2) /* Segment is readable */
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1999-12-28 18:40:48 +00:00
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/* #define PF_MASKOS 0x0F000000 *//* OS-specific reserved bits */
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#define PF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */
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1999-05-03 07:29:11 +00:00
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#define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */
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2000-11-22 23:19:15 +00:00
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/* Values for section header, sh_type field. */
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1999-05-03 07:29:11 +00:00
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#define SHT_NULL 0 /* Section header table entry unused */
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#define SHT_PROGBITS 1 /* Program specific (private) data */
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#define SHT_SYMTAB 2 /* Link editing symbol table */
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#define SHT_STRTAB 3 /* A string table */
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#define SHT_RELA 4 /* Relocation entries with addends */
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#define SHT_HASH 5 /* A symbol hash table */
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#define SHT_DYNAMIC 6 /* Information for dynamic linking */
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#define SHT_NOTE 7 /* Information that marks file */
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#define SHT_NOBITS 8 /* Section occupies no space in file */
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#define SHT_REL 9 /* Relocation entries, no addends */
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#define SHT_SHLIB 10 /* Reserved, unspecified semantics */
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#define SHT_DYNSYM 11 /* Dynamic linking symbol table */
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2003-01-17 01:32:46 +00:00
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#define SHT_INIT_ARRAY 14 /* Array of ptrs to init functions */
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#define SHT_FINI_ARRAY 15 /* Array of ptrs to finish functions */
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2000-11-22 23:19:15 +00:00
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#define SHT_PREINIT_ARRAY 16 /* Array of ptrs to pre-init funcs */
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2003-01-17 01:32:46 +00:00
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#define SHT_GROUP 17 /* Section contains a section group */
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2000-11-22 23:19:15 +00:00
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#define SHT_SYMTAB_SHNDX 18 /* Indicies for SHN_XINDEX entries */
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1999-12-28 18:40:48 +00:00
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2003-01-17 01:32:46 +00:00
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#define SHT_LOOS 0x60000000 /* First of OS specific semantics */
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#define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */
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1999-05-03 07:29:11 +00:00
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2002-07-10 15:28:34 +00:00
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#define SHT_GNU_LIBLIST 0x6ffffff7 /* List of prelink dependencies */
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1999-05-03 07:29:11 +00:00
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/* The next three section types are defined by Solaris, and are named
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SHT_SUNW*. We use them in GNU code, so we also define SHT_GNU*
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versions. */
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#define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */
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#define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */
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#define SHT_SUNW_versym 0x6fffffff /* Symbol versions */
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#define SHT_GNU_verdef SHT_SUNW_verdef
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#define SHT_GNU_verneed SHT_SUNW_verneed
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#define SHT_GNU_versym SHT_SUNW_versym
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#define SHT_LOPROC 0x70000000 /* Processor-specific semantics, lo */
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#define SHT_HIPROC 0x7FFFFFFF /* Processor-specific semantics, hi */
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#define SHT_LOUSER 0x80000000 /* Application-specific semantics */
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1999-12-28 18:40:48 +00:00
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/* #define SHT_HIUSER 0x8FFFFFFF *//* Application-specific semantics */
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#define SHT_HIUSER 0xFFFFFFFF /* New value, defined in Oct 4, 1999 Draft */
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1999-05-03 07:29:11 +00:00
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2000-11-22 23:19:15 +00:00
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/* Values for section header, sh_flags field. */
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1999-05-03 07:29:11 +00:00
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#define SHF_WRITE (1 << 0) /* Writable data during execution */
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#define SHF_ALLOC (1 << 1) /* Occupies memory during execution */
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#define SHF_EXECINSTR (1 << 2) /* Executable machine instructions */
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1999-12-28 18:40:48 +00:00
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#define SHF_MERGE (1 << 4) /* Data in this section can be merged */
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#define SHF_STRINGS (1 << 5) /* Contains null terminated character strings */
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#define SHF_INFO_LINK (1 << 6) /* sh_info holds section header table index */
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2003-01-17 01:32:46 +00:00
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#define SHF_LINK_ORDER (1 << 7) /* Preserve section ordering when linking */
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2000-11-22 23:19:15 +00:00
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#define SHF_OS_NONCONFORMING (1 << 8) /* OS specific processing required */
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#define SHF_GROUP (1 << 9) /* Member of a section group */
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* elf.c (_bfd_elf_make_section_from_shdr): Set SEC_THREAD_LOCAL
for symbols from SHF_TLS section.
(_bfd_elf_print_private_bfd_data): Add PT_TLS.
(elf_fake_sections): Set SHF_TLS for SEC_THREAD_LOCAL sections.
(map_sections_to_segments): Build PT_TLS segment if necessary.
(assign_file_positions_for_segments): Likewise.
(get_program_header_size): Account for PT_TLS segment.
(swap_out_syms): Set type of BSF_THREAD_LOCAL symbols and symbols from
SEC_THREAD_LOCAL sections to STT_TLS.
* reloc.c: Add 386 and IA-64 TLS relocs.
* section.c (SEC_THREAD_LOCAL): Define.
(SEC_CONSTRUCTOR_TEXT, SEC_CONSTRUCTOR_DATA, SEC_CONSTRUCTOR_BSS):
Remove.
* elflink.h (elf_link_add_object_symbols): Support .tcommon.
(size_dynamic_sections): If DF_STATIC_TLS, set DF_FLAGS
unconditionally.
(struct elf_final_link_info): Add first_tls_sec.
(elf_bfd_final_link): Set first_tls_sec.
Compute elf_hash_table (info)->tls_segment.
(elf_link_output_extsym): Handle STT_TLS symbols.
(elf_link_input_bfd): Likewise.
* syms.c (BSF_THREAD_LOCAL): Define.
* bfd-in2.h: Rebuilt.
* libbfd.h: Rebuilt.
* elf32-i386.c (elf_i386_tls_transition, dtpoff_base, tpoff,
elf_i386_mkobject, elf_i386_object_p): New functions.
(elf_howto_table): Add TLS relocs.
(elf_i386_reloc_type_lookup): Support TLS relocs.
(elf_i386_info_to_howto_rel): Likewise.
(struct elf_i386_link_hash_entry): Add tls_type.
(struct elf_i386_obj_tdata): New.
(elf_i386_hash_entry, elf_i386_tdata, elf_i386_local_got_tls_type):
New macros.
(struct elf_i386_link_hash_table): Add tls_ldm_got.
(link_hash_newfunc): Clear tls_type.
(elf_i386_check_relocs): Support TLS relocs.
(elf_i386_gc_sweep_hook): Likewise.
(allocate_dynrelocs): Likewise.
(elf_i386_size_dynamic_sections): Likewise.
(elf_i386_relocate_section): Likewise.
(elf_i386_finish_dynamic_symbol): Likewise.
(bfd_elf32_mkobject, elf_backend_object_p): Define.
* elfxx-ia64.c (struct elfNN_ia64_dyn_sym_info): Add tprel_offset,
dtpmod_offset, dtprel_offset, tprel_done, dtpmod_done, dtprel_done,
want_tprel, want_dtpmod, want_dtprel.
(elfNN_ia64_tprel_base, elfNN_ia64_dtprel_base): New functions.
(ia64_howto_table): Add TLS relocs, rename R_IA64_LTOFF_TP22 to
R_IA64_LTOFF_TPREL22.
(elf_code_to_howto_index): Add TLS relocs.
(elfNN_ia64_check_relocs): Support TLS relocs.
(allocate_global_data_got): Account for TLS .got data.
(allocate_dynrel_entries): Account for TLS dynamic relocations.
(elfNN_ia64_install_value): Supprt TLS relocs.
(set_got_entry): Support TLS relocs.
(elfNN_ia64_relocate_section): Likewise.
* config/obj-elf.c (elf_common): Renamed from obj_elf_common.
(obj_elf_common): Call elf_common.
(obj_elf_tls_common): New function.
(elf_pseudo_tab): Support .tls_common.
(special_sections): Add .tdata and .tbss.
(obj_elf_change_section): Set SEC_THREAD_LOCAL for SHF_TLS
sections.
(obj_elf_parse_section_letters): Support T in section flags (SHF_TLS).
(obj_elf_parse_section_letters): Include T in error message.
* config/tc-ppc.c (ppc_section_letter): Likewise.
* config/tc-alpha.c (alpha_elf_section_letter): Likewise.
(tc_gen_reloc): Handle SEC_THREAD_LOCAL the same way as
SEC_MERGE.
* config/tc-sparc.c (md_apply_fix3): Likewise.
* config/tc-i386.c (tc_i386_fix_adjustable): Add TLS relocs.
Define them if not BFD_ASSEMBLER.
(lex_got): Support @TLSGD, @TLSLDM, @GOTTPOFF, @TPOFF, @DTPOFF
and @NTPOFF.
(md_apply_fix3): Add TLS relocs.
* config/tc-ia64.c (enum reloc_func): Add FUNC_DTP_MODULE,
FUNC_DTP_RELATIVE, FUNC_TP_RELATIVE, FUNC_LT_DTP_MODULE,
FUNC_LT_DTP_RELATIVE, FUNC_LT_TP_RELATIVE.
(pseudo_func): Support @dtpmod(), @dtprel() and @tprel().
(ia64_elf_section_letter): Include T in error message.
(md_begin): Support TLS operators.
(md_operand): Likewise.
(ia64_gen_real_reloc_type): Support TLS relocs.
* testsuite/gas/i386/tlspic.s: New file.
* testsuite/gas/i386/tlsd.s: New file.
* testsuite/gas/i386/tlsnopic.s: New file.
* testsuite/gas/i386/tlsd.d: New file.
* testsuite/gas/i386/tlsnopic.d: New file.
* testsuite/gas/i386/tlspic.d: New file.
* testsuite/gas/i386/i386.exp: Add tlsd, tlsnopic and tlspic tests.
* testsuite/gas/ia64/tls.s: New file.
* testsuite/gas/ia64/tls.d: New file.
* testsuite/gas/ia64/ia64.exp: Add tls test.
* write.c (adjust_reloc_syms): Don't change symbols in
SEC_THREAD_LOCAL sections to STT_SECTION + addend.
* elf/common.h (PT_TLS, SHF_TLS, STT_TLS, DF_STATIC_TLS): Define.
* elf/ia64.h (R_IA64_LTOFF_TPREL22): Renamed from R_IA64_LTOFF_TP22.
* elf/i386.h: Add TLS relocs.
* scripttempl/elf.sc: Add .rel{,a}.t{bss,data}, .tdata and .tbss.
* ldlang.c (lang_add_section): Set SEC_THREAD_LOCAL for
output section if necessary. Handle .tbss.
(lang_size_sections): Clear _raw_size for .tbss section
(it allocates space in PT_TLS segment only).
* ldwrite.c (build_link_order): Build link order for .tbss too.
* readelf.c (get_segment_type): Add PT_TLS.
(get_elf_section_flags): Add SHF_TLS.
(get_dynamic_flags): Optimize. Add DF_STATIC_TLS.
(process_dynamic_segment): Use puts instead of printf.
(get_symbol_type): Support STT_TLS.
* objdump.c (dump_section_header): Remove SEC_CONSTRUCTOR_TEXT,
SEC_CONSTRUCTOR_DATA, SEC_CONSTRUCTOR_BSS.
Add SEC_THREAD_LOCAL.
2002-05-23 13:12:53 +00:00
|
|
|
#define SHF_TLS (1 << 10) /* Thread local storage section */
|
1999-12-28 18:40:48 +00:00
|
|
|
|
|
|
|
|
/* #define SHF_MASKOS 0x0F000000 *//* OS-specific semantics */
|
|
|
|
|
#define SHF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */
|
1999-05-03 07:29:11 +00:00
|
|
|
#define SHF_MASKPROC 0xF0000000 /* Processor-specific semantics */
|
|
|
|
|
|
2000-11-22 23:19:15 +00:00
|
|
|
/* Values of note segment descriptor types for core files. */
|
1999-05-03 07:29:11 +00:00
|
|
|
|
|
|
|
|
#define NT_PRSTATUS 1 /* Contains copy of prstatus struct */
|
|
|
|
|
#define NT_FPREGSET 2 /* Contains copy of fpregset struct */
|
|
|
|
|
#define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */
|
1999-08-31 16:56:26 +00:00
|
|
|
#define NT_TASKSTRUCT 4 /* Contains copy of task struct */
|
2003-05-21 00:55:15 +00:00
|
|
|
#define NT_AUXV 6 /* Contains copy of Elfxx_auxv_t */
|
2003-01-17 01:32:46 +00:00
|
|
|
#define NT_PRXFPREG 0x46e62b7f /* Contains a user_xfpregs_struct; */
|
1999-12-28 18:40:48 +00:00
|
|
|
/* note name must be "LINUX". */
|
1999-05-03 07:29:11 +00:00
|
|
|
|
2000-11-22 23:19:15 +00:00
|
|
|
/* Note segments for core files on dir-style procfs systems. */
|
1999-05-03 07:29:11 +00:00
|
|
|
|
|
|
|
|
#define NT_PSTATUS 10 /* Has a struct pstatus */
|
|
|
|
|
#define NT_FPREGS 12 /* Has a struct fpregset */
|
|
|
|
|
#define NT_PSINFO 13 /* Has a struct psinfo */
|
|
|
|
|
#define NT_LWPSTATUS 16 /* Has a struct lwpstatus_t */
|
|
|
|
|
#define NT_LWPSINFO 17 /* Has a struct lwpsinfo_t */
|
2000-01-10 18:51:33 +00:00
|
|
|
#define NT_WIN32PSTATUS 18 /* Has a struct win32_pstatus */
|
1999-05-03 07:29:11 +00:00
|
|
|
|
2002-01-09 18:59:11 +00:00
|
|
|
|
|
|
|
|
/* Note segments for core files on NetBSD systems. Note name
|
|
|
|
|
must start with "NetBSD-CORE". */
|
|
|
|
|
|
|
|
|
|
#define NT_NETBSDCORE_PROCINFO 1 /* Has a struct procinfo */
|
|
|
|
|
#define NT_NETBSDCORE_FIRSTMACH 32 /* start of machdep note types */
|
|
|
|
|
|
|
|
|
|
|
1999-05-03 07:29:11 +00:00
|
|
|
/* Values of note segment descriptor types for object files. */
|
|
|
|
|
|
|
|
|
|
#define NT_VERSION 1 /* Contains a version string. */
|
2001-11-15 13:19:10 +00:00
|
|
|
#define NT_ARCH 2 /* Contains an architecture string. */
|
1999-05-03 07:29:11 +00:00
|
|
|
|
2002-05-08 14:28:37 +00:00
|
|
|
/* Values for GNU .note.ABI-tag notes. Note name is "GNU". */
|
|
|
|
|
|
|
|
|
|
#define NT_GNU_ABI_TAG 1
|
|
|
|
|
#define GNU_ABI_TAG_LINUX 0
|
|
|
|
|
#define GNU_ABI_TAG_HURD 1
|
|
|
|
|
#define GNU_ABI_TAG_SOLARIS 2
|
2003-06-13 13:07:51 +00:00
|
|
|
#define GNU_ABI_TAG_FREEBSD 3
|
|
|
|
|
#define GNU_ABI_TAG_NETBSD 4
|
2002-05-08 14:28:37 +00:00
|
|
|
|
|
|
|
|
/* Values for NetBSD .note.netbsd.ident notes. Note name is "NetBSD". */
|
|
|
|
|
|
|
|
|
|
#define NT_NETBSD_IDENT 1
|
|
|
|
|
|
2004-01-19 18:28:58 +00:00
|
|
|
/* Values for OpenBSD .note.openbsd.ident notes. Note name is "OpenBSD". */
|
|
|
|
|
|
|
|
|
|
#define NT_OPENBSD_IDENT 1
|
|
|
|
|
|
2002-05-08 14:28:37 +00:00
|
|
|
/* Values for FreeBSD .note.ABI-tag notes. Note name is "FreeBSD". */
|
|
|
|
|
|
|
|
|
|
#define NT_FREEBSD_ABI_TAG 1
|
|
|
|
|
|
1999-05-03 07:29:11 +00:00
|
|
|
/* These three macros disassemble and assemble a symbol table st_info field,
|
|
|
|
|
which contains the symbol binding and symbol type. The STB_ and STT_
|
2000-11-22 23:19:15 +00:00
|
|
|
defines identify the binding and type. */
|
1999-05-03 07:29:11 +00:00
|
|
|
|
|
|
|
|
#define ELF_ST_BIND(val) (((unsigned int)(val)) >> 4)
|
|
|
|
|
#define ELF_ST_TYPE(val) ((val) & 0xF)
|
|
|
|
|
#define ELF_ST_INFO(bind,type) (((bind) << 4) + ((type) & 0xF))
|
|
|
|
|
|
1999-12-28 18:40:48 +00:00
|
|
|
/* The 64bit and 32bit versions of these macros are identical, but
|
|
|
|
|
the ELF spec defines them, so here they are. */
|
|
|
|
|
#define ELF32_ST_BIND ELF_ST_BIND
|
|
|
|
|
#define ELF32_ST_TYPE ELF_ST_TYPE
|
|
|
|
|
#define ELF32_ST_INFO ELF_ST_INFO
|
|
|
|
|
#define ELF64_ST_BIND ELF_ST_BIND
|
|
|
|
|
#define ELF64_ST_TYPE ELF_ST_TYPE
|
|
|
|
|
#define ELF64_ST_INFO ELF_ST_INFO
|
|
|
|
|
|
2000-02-22 19:59:40 +00:00
|
|
|
/* This macro disassembles and assembles a symbol's visibility into
|
1999-12-28 18:40:48 +00:00
|
|
|
the st_other field. The STV_ defines specificy the actual visibility. */
|
|
|
|
|
|
|
|
|
|
#define ELF_ST_VISIBILITY(v) ((v) & 0x3)
|
2000-02-22 19:56:41 +00:00
|
|
|
/* The remaining bits in the st_other field are not currently used.
|
|
|
|
|
They should be set to zero. */
|
1999-12-28 18:40:48 +00:00
|
|
|
|
|
|
|
|
#define ELF32_ST_VISIBILITY ELF_ST_VISIBILITY
|
|
|
|
|
#define ELF64_ST_VISIBILITY ELF_ST_VISIBILITY
|
|
|
|
|
|
|
|
|
|
|
2000-11-22 23:19:15 +00:00
|
|
|
#define STN_UNDEF 0 /* Undefined symbol index */
|
1999-05-03 07:29:11 +00:00
|
|
|
|
|
|
|
|
#define STB_LOCAL 0 /* Symbol not visible outside obj */
|
|
|
|
|
#define STB_GLOBAL 1 /* Symbol visible outside obj */
|
|
|
|
|
#define STB_WEAK 2 /* Like globals, lower precedence */
|
2003-01-17 01:32:46 +00:00
|
|
|
#define STB_LOOS 10 /* OS-specific semantics */
|
|
|
|
|
#define STB_HIOS 12 /* OS-specific semantics */
|
1999-05-03 07:29:11 +00:00
|
|
|
#define STB_LOPROC 13 /* Application-specific semantics */
|
|
|
|
|
#define STB_HIPROC 15 /* Application-specific semantics */
|
|
|
|
|
|
|
|
|
|
#define STT_NOTYPE 0 /* Symbol type is unspecified */
|
|
|
|
|
#define STT_OBJECT 1 /* Symbol is a data object */
|
|
|
|
|
#define STT_FUNC 2 /* Symbol is a code object */
|
|
|
|
|
#define STT_SECTION 3 /* Symbol associated with a section */
|
|
|
|
|
#define STT_FILE 4 /* Symbol gives a file name */
|
1999-12-28 18:40:48 +00:00
|
|
|
#define STT_COMMON 5 /* An uninitialised common block */
|
* elf.c (_bfd_elf_make_section_from_shdr): Set SEC_THREAD_LOCAL
for symbols from SHF_TLS section.
(_bfd_elf_print_private_bfd_data): Add PT_TLS.
(elf_fake_sections): Set SHF_TLS for SEC_THREAD_LOCAL sections.
(map_sections_to_segments): Build PT_TLS segment if necessary.
(assign_file_positions_for_segments): Likewise.
(get_program_header_size): Account for PT_TLS segment.
(swap_out_syms): Set type of BSF_THREAD_LOCAL symbols and symbols from
SEC_THREAD_LOCAL sections to STT_TLS.
* reloc.c: Add 386 and IA-64 TLS relocs.
* section.c (SEC_THREAD_LOCAL): Define.
(SEC_CONSTRUCTOR_TEXT, SEC_CONSTRUCTOR_DATA, SEC_CONSTRUCTOR_BSS):
Remove.
* elflink.h (elf_link_add_object_symbols): Support .tcommon.
(size_dynamic_sections): If DF_STATIC_TLS, set DF_FLAGS
unconditionally.
(struct elf_final_link_info): Add first_tls_sec.
(elf_bfd_final_link): Set first_tls_sec.
Compute elf_hash_table (info)->tls_segment.
(elf_link_output_extsym): Handle STT_TLS symbols.
(elf_link_input_bfd): Likewise.
* syms.c (BSF_THREAD_LOCAL): Define.
* bfd-in2.h: Rebuilt.
* libbfd.h: Rebuilt.
* elf32-i386.c (elf_i386_tls_transition, dtpoff_base, tpoff,
elf_i386_mkobject, elf_i386_object_p): New functions.
(elf_howto_table): Add TLS relocs.
(elf_i386_reloc_type_lookup): Support TLS relocs.
(elf_i386_info_to_howto_rel): Likewise.
(struct elf_i386_link_hash_entry): Add tls_type.
(struct elf_i386_obj_tdata): New.
(elf_i386_hash_entry, elf_i386_tdata, elf_i386_local_got_tls_type):
New macros.
(struct elf_i386_link_hash_table): Add tls_ldm_got.
(link_hash_newfunc): Clear tls_type.
(elf_i386_check_relocs): Support TLS relocs.
(elf_i386_gc_sweep_hook): Likewise.
(allocate_dynrelocs): Likewise.
(elf_i386_size_dynamic_sections): Likewise.
(elf_i386_relocate_section): Likewise.
(elf_i386_finish_dynamic_symbol): Likewise.
(bfd_elf32_mkobject, elf_backend_object_p): Define.
* elfxx-ia64.c (struct elfNN_ia64_dyn_sym_info): Add tprel_offset,
dtpmod_offset, dtprel_offset, tprel_done, dtpmod_done, dtprel_done,
want_tprel, want_dtpmod, want_dtprel.
(elfNN_ia64_tprel_base, elfNN_ia64_dtprel_base): New functions.
(ia64_howto_table): Add TLS relocs, rename R_IA64_LTOFF_TP22 to
R_IA64_LTOFF_TPREL22.
(elf_code_to_howto_index): Add TLS relocs.
(elfNN_ia64_check_relocs): Support TLS relocs.
(allocate_global_data_got): Account for TLS .got data.
(allocate_dynrel_entries): Account for TLS dynamic relocations.
(elfNN_ia64_install_value): Supprt TLS relocs.
(set_got_entry): Support TLS relocs.
(elfNN_ia64_relocate_section): Likewise.
* config/obj-elf.c (elf_common): Renamed from obj_elf_common.
(obj_elf_common): Call elf_common.
(obj_elf_tls_common): New function.
(elf_pseudo_tab): Support .tls_common.
(special_sections): Add .tdata and .tbss.
(obj_elf_change_section): Set SEC_THREAD_LOCAL for SHF_TLS
sections.
(obj_elf_parse_section_letters): Support T in section flags (SHF_TLS).
(obj_elf_parse_section_letters): Include T in error message.
* config/tc-ppc.c (ppc_section_letter): Likewise.
* config/tc-alpha.c (alpha_elf_section_letter): Likewise.
(tc_gen_reloc): Handle SEC_THREAD_LOCAL the same way as
SEC_MERGE.
* config/tc-sparc.c (md_apply_fix3): Likewise.
* config/tc-i386.c (tc_i386_fix_adjustable): Add TLS relocs.
Define them if not BFD_ASSEMBLER.
(lex_got): Support @TLSGD, @TLSLDM, @GOTTPOFF, @TPOFF, @DTPOFF
and @NTPOFF.
(md_apply_fix3): Add TLS relocs.
* config/tc-ia64.c (enum reloc_func): Add FUNC_DTP_MODULE,
FUNC_DTP_RELATIVE, FUNC_TP_RELATIVE, FUNC_LT_DTP_MODULE,
FUNC_LT_DTP_RELATIVE, FUNC_LT_TP_RELATIVE.
(pseudo_func): Support @dtpmod(), @dtprel() and @tprel().
(ia64_elf_section_letter): Include T in error message.
(md_begin): Support TLS operators.
(md_operand): Likewise.
(ia64_gen_real_reloc_type): Support TLS relocs.
* testsuite/gas/i386/tlspic.s: New file.
* testsuite/gas/i386/tlsd.s: New file.
* testsuite/gas/i386/tlsnopic.s: New file.
* testsuite/gas/i386/tlsd.d: New file.
* testsuite/gas/i386/tlsnopic.d: New file.
* testsuite/gas/i386/tlspic.d: New file.
* testsuite/gas/i386/i386.exp: Add tlsd, tlsnopic and tlspic tests.
* testsuite/gas/ia64/tls.s: New file.
* testsuite/gas/ia64/tls.d: New file.
* testsuite/gas/ia64/ia64.exp: Add tls test.
* write.c (adjust_reloc_syms): Don't change symbols in
SEC_THREAD_LOCAL sections to STT_SECTION + addend.
* elf/common.h (PT_TLS, SHF_TLS, STT_TLS, DF_STATIC_TLS): Define.
* elf/ia64.h (R_IA64_LTOFF_TPREL22): Renamed from R_IA64_LTOFF_TP22.
* elf/i386.h: Add TLS relocs.
* scripttempl/elf.sc: Add .rel{,a}.t{bss,data}, .tdata and .tbss.
* ldlang.c (lang_add_section): Set SEC_THREAD_LOCAL for
output section if necessary. Handle .tbss.
(lang_size_sections): Clear _raw_size for .tbss section
(it allocates space in PT_TLS segment only).
* ldwrite.c (build_link_order): Build link order for .tbss too.
* readelf.c (get_segment_type): Add PT_TLS.
(get_elf_section_flags): Add SHF_TLS.
(get_dynamic_flags): Optimize. Add DF_STATIC_TLS.
(process_dynamic_segment): Use puts instead of printf.
(get_symbol_type): Support STT_TLS.
* objdump.c (dump_section_header): Remove SEC_CONSTRUCTOR_TEXT,
SEC_CONSTRUCTOR_DATA, SEC_CONSTRUCTOR_BSS.
Add SEC_THREAD_LOCAL.
2002-05-23 13:12:53 +00:00
|
|
|
#define STT_TLS 6 /* Thread local data object */
|
2003-01-17 01:32:46 +00:00
|
|
|
#define STT_LOOS 10 /* OS-specific semantics */
|
|
|
|
|
#define STT_HIOS 12 /* OS-specific semantics */
|
1999-05-03 07:29:11 +00:00
|
|
|
#define STT_LOPROC 13 /* Application-specific semantics */
|
|
|
|
|
#define STT_HIPROC 15 /* Application-specific semantics */
|
|
|
|
|
|
|
|
|
|
/* Special section indices, which may show up in st_shndx fields, among
|
2000-11-22 23:19:15 +00:00
|
|
|
other places. */
|
1999-05-03 07:29:11 +00:00
|
|
|
|
|
|
|
|
#define SHN_UNDEF 0 /* Undefined section reference */
|
|
|
|
|
#define SHN_LORESERVE 0xFF00 /* Begin range of reserved indices */
|
|
|
|
|
#define SHN_LOPROC 0xFF00 /* Begin range of appl-specific */
|
|
|
|
|
#define SHN_HIPROC 0xFF1F /* End range of appl-specific */
|
2003-01-17 01:32:46 +00:00
|
|
|
#define SHN_LOOS 0xFF20 /* OS specific semantics, lo */
|
|
|
|
|
#define SHN_HIOS 0xFF3F /* OS specific semantics, hi */
|
|
|
|
|
#define SHN_ABS 0xFFF1 /* Associated symbol is absolute */
|
|
|
|
|
#define SHN_COMMON 0xFFF2 /* Associated symbol is in common */
|
|
|
|
|
#define SHN_XINDEX 0xFFFF /* Section index is held elsewhere */
|
|
|
|
|
#define SHN_HIRESERVE 0xFFFF /* End range of reserved indices */
|
Support for more than 64k ELF sections.
include/elf/ChangeLog
* external.h (Elf_External_Sym_Shndx): Declare.
* internal.h (struct elf_internal_sym <st_shndx>): Make it an
unsigned int.
* common.h (SHN_BAD): Define.
bfd/ChangeLog
* configure.in: Bump bfd version.
* configure: Regenerate.
* elf-bfd.h (elf_size_info <swap_symbol_out>): Add shndx param.
(bfd_elf32_swap_symbol_in): Likewise.
(bfd_elf32_swap_symbol_out): Likewise.
(bfd_elf64_swap_symbol_in): Likewise.
(bfd_elf64_swap_symbol_out): Likewise.
(elf_reloc_cookie): Add locsym_shndx field. Make locsyms a PTR.
(elf_obj_tdata): Add num_elf_sections, symtab_shndx_hdr and
symtab_shndx_section.
(elf_numsections): Define.
(elf_symtab_shndx): Define.
* elf.c (setup_group): Use elf_numsections rather than header e_shnum.
(bfd_elf_find_section): Likewise.
(bfd_section_from_elf_index): Likewise.
(bfd_section_from_shdr): Likewise. Handle SHT_SYMTAB_SHNDX.
(bfd_section_from_r_symndx): Read symbol shndx extension, and
translate st_shndx for > SHN_HIRESERVE.
(assign_section_numbers): Skip reserved sections. Assign
symtab_shndx_section and elf_numsections. Exclude reserved
sections from e_shnum. Set up symtab_shndx_hdr.
(_bfd_elf_compute_section_file_positions): Handle symtab_shndx_hdr.
(map_sections_to_segments): Don't map eh_frame_hdr unless required.
(assign_file_positions_except_relocs): Use elf_numsections rather
than header e_shnum. Skip reserved sections and symtab_shndx_section.
(prep_headers): Set name for symtab_shndx_hdr.
(_bfd_elf_assign_file_positions_for_relocs): Use elf_numsections.
(_bfd_elf_write_object_contents): Likewise. Skip reserved sections.
(_bfd_elf_section_from_bfd_section): Check bfd_{abs,com,und}_section
first. Use elf_section_data if available. Use elf_numsections.
Start scan at index 1.
(copy_private_bfd_data ): Comment fixes.
(MAP_ONESYMTAB): Define above SHN_HIOS.
(MAP_DYNSYMTAB): Likewise.
(MAP_STRTAB): Likewise.
(MAP_SHSTRTAB): Likewise.
(MAP_SYM_SHNDX): New define.
(_bfd_elf_copy_private_symbol_data): Handle symtab_shndx_section.
(swap_out_syms): Swap out SHT_SYMTAB_SHNDX section too.
* elfcode.h (elf_swap_symbol_in): Add shndx param, and handle shndx
extension.
(elf_swap_symbol_out): Likewise.
(elf_object_p): Set elf_numsections, and use instead of e_shnum.
Initialialise reserved elf_elfsections to point at shdr[0]. Remove
redundant bfd_release calls.
(elf_slurp_symbol_table): Read symbol shndx extension, and use with
elf_swap_symbol_in. Translate st_shndx for > SHN_HIRESERVE too.
* elflink.h (elf_link_is_defined_archive_symbol): Read symbol shndx
extension, and use with elf_swap_symbol_in.
(elf_link_record_local_dynamic_symbol): Likewise.
(elf_link_add_object_symbols): Likewise. Also translate st_shndx
for elf sections > SHN_HIRESERVE.
(NAME(bfd_elf,size_dynamic_sections)): Adjust elf_swap_symbol_out
call.
(struct elf_final_link_info): Add locsym_shndx and symshndxbuf.
(elf_bfd_final_link): Allocate the above, and tidy code allocating
other buffers. Use elf_numsections instead of e_shnum. Adjust
elf_swap_symbol_out calls.
(elf_link_output_sym): Swap out symbol shndx extension too.
(elf_link_flush_output_syms): And flush them to disk.
(elf_link_output_extsym): Use SHN_BAD. Adjust elf_swap_symbol_out
calls.
(elf_gc_mark): Read symbol shndx extension, and use with
elf_swap_symbol_in.
(elf_link_input_bfd): Likewise, Translate st_shndx for elf sections
> SHN_HIRESERVE too. Use SHN_BAD.
(elf_reloc_symbol_deleted_p): Use symbol shndx extensions with
elf_swap_symbol_in. Translate st_shndx > SHN_HIRESERVE too.
(elf_bfd_discard_info): Read symbol shndx extension. Don't attempt
to continue after a bfd error.
* elf-m10200.c (mn10200_elf_relax_section): Only read local syms.
Stash them immediately to symtab_hdr->contents rather than later
in multiple places. Clean up afterwards. Read symbol shndx
extension, and use with swap_symbol_in. Translate SHN_UNDEF,
SHN_ABS, SHN_COMMON and elf sections > SHN_HIRESERVE to bfd
sections too. Remove dead code.
(mn10200_elf_relax_delete_bytes): Use symbol shndx extension
when swapping in symbols. Tidy code adjusting global syms.
Don't swap in global syms.
(mn10200_elf_symbol_address_p): Likewise. Remove extsyms param.
(mn10200_elf_get_relocated_section_contents): Read symbol shndx
extension, and use with swap_symbol_in. Rename "size" -> "amt"
to maximize code in common with other files. Translate st_shndx
for > SHN_HIRESERVE too. Remove dead code.
* elf-m10300.c (mn10300_elf_relax_section): Only read local syms.
Stash them immediately to symtab_hdr->contents rather than later
in multiple places. Clean up afterwards. Read symbol shndx
extension, and use with swap_symbol_in. Remove dead code.
(mn10300_elf_relax_delete_bytes): As for elf-m10200.c.
(mn10300_elf_symbol_address_p): Likewise.
(mn10300_elf_get_relocated_section_contents): Likewise.
* elf32-h8300.c (elf32_h8_relax_section): As for elf-m10300.c.
(elf32_h8_relax_delete_bytes): Likewise.
(elf32_h8_symbol_address_p): Likewise.
(elf32_h8_get_relocated_section_contents): Likewise.
* elf32-hppa.c (elf32_hppa_size_stubs): Read symbol shndx
extension, and use with swap_symbol_in.
* elf64-hppa.c (elf64_hppa_check_relocs): Likewise.
* elf32-i370.c (i370_elf_finish_dynamic_sections): Adjust call to
bfd_elf32_swap_symbol_out.
* elf32-m32r.c (m32r_elf_get_relocated_section_contents): Translate
elf sections > SHN_HIRESERVE too.
* elf32-m68k.c (bfd_m68k_elf32_create_embedded_relocs): Only read
local syms. Read symbol shndx extension, and use with swap_symbol_in.
* elf32-mips.c (_bfd_mips_elf_final_write_processing): Use
elf_numsections rather than header e_shnum.
* elf32-sh.c (sh_elf_relax_section): As for elf-m10300.c.
(sh_elf_relax_delete_bytes): Likewise.
(sh_elf_get_relocated_section_contents): Likewise. Only read local
symbols.
* elf32-v850.c (v850_elf_symbol_processing): Use an unsigned int to
hold section index. Use elf_numsections rather than e_shnum.
Rename "index" -> "indx" to avoid shadowing warning.
(v850_elf_add_symbol_hook): Likewise.
* elf64-alpha.c (elf64_alpha_relax_section): Only read local syms.
Read symbol shndx extension, and use with swap_symbol_in.
* elf32-xstormy16.c (xstormy16_elf_relax_section): Likewise.
Translate SHN_COMMON and elf sections > SHN_HIRESERVE too.
* elfxx-ia64.c (elfNN_ia64_relax_section): Likewise.
(elfNN_ia64_aix_add_symbol_hook): Use elf_numsections.
* elf-m10300.c (mn10300_elf_gc_mark_hook): Remove unnecessary checks
before calling bfd_section_from_elf_index on local syms.
* elf32-arm.h (elf32_arm_gc_mark_hook): Likewise.
* elf32-avr.c (elf32_avr_gc_mark_hook): Likewise.
* elf32-cris.c (cris_elf_gc_mark_hook): Likewise.
* elf32-d10v.c (elf32_d10v_gc_mark_hook): Likewise.
* elf32-fr30.c (fr30_elf_gc_mark_hook): Likewise.
* elf32-hppa.c (elf32_hppa_gc_mark_hook): Likewise.
* elf32-i386.c (elf_i386_gc_mark_hook): Likewise.
* elf32-m32r.c (m32r_elf_gc_mark_hook): Likewise.
* elf32-m68k.c (elf_m68k_gc_mark_hook): Likewise.
* elf32-mcore.c (mcore_elf_gc_mark_hook): Likewise.
* elf32-mips.c (_bfd_mips_elf_gc_mark_hook): Likewise.
* elf32-openrisc.c (openrisc_elf_gc_mark_hook): Likewise.
* elf32-ppc.c (ppc_elf_gc_mark_hook): Likewise.
* elf32-s390.c (elf_s390_gc_mark_hook): Likewise.
* elf32-sh.c (sh_elf_gc_mark_hook): Likewise.
* elf32-sparc.c (elf32_sparc_gc_mark_hook): Likewise.
* elf32-v850.c (v850_elf_gc_mark_hook): Likewise.
* elf32-xstormy16.c (xstormy16_elf_gc_mark_hook): Likewise.
* elf64-mips.c (mips_elf64_gc_mark_hook): Likewise.
* elf64-mmix.c (mmix_elf_gc_mark_hook): Likewise.
* elf64-ppc.c (ppc64_elf_gc_mark_hook): Likewise.
* elf64-s390.c (elf_s390_gc_mark_hook): Likewise.
* elf64-x86-64.c (elf64_x86_64_gc_mark_hook): Likewise.
binutils/ChangeLog
* readelf.c (symtab_shndx_hdr): New global.
(SECTION_HEADER_INDEX): Define.
(SECTION_HEADER_NUM): Define.
(SECTION_HEADER): Define.
(GET_ELF_SYMBOLS): Pass two params rather than three.
(get_32bit_elf_symbols): Take file and section args. Read and
use SHT_SYMTAB_SHNDX.
(get_64bit_elf_symbols): Likewise.
(dump_relocations): Use SECTION_HEADER to index "section_headers".
(process_section_headers): Likewise. Use SECTION_HEADER_NUM too.
Remember symtab_shdx_hdr.
(process_program_headers): Scan from index 1 for segment map.
(slurp_ia64_unwind_table): Use SECTION_HEADER to index
"section_headers".
(process_relocs): Likewise. Also adjust call to GET_ELF_SYMBOLS.
(process_unwind): Likewise.
(process_version_sections): Likewise.
(process_symbol_table): Likewise.
(display_debug_info): Likewise.
(process_dynamic_segment): Fake up a symtab section for changed
GET_ELF_SYMBOLS.
(get_symbol_index_type): Check SHN_LOOS before SHN_LORESERVE.
(process_program_headers): Kill signed/unsigned warning.
(load_debug_str): Likewise.
(display_debug_info): Likewise.
2001-12-17 00:52:35 +00:00
|
|
|
#define SHN_BAD ((unsigned) -1) /* Used internally by bfd */
|
1999-05-03 07:29:11 +00:00
|
|
|
|
1999-12-28 18:40:48 +00:00
|
|
|
/* The following constants control how a symbol may be accessed once it has
|
|
|
|
|
become part of an executable or shared library. */
|
2003-05-21 00:55:15 +00:00
|
|
|
|
1999-12-28 18:40:48 +00:00
|
|
|
#define STV_DEFAULT 0 /* Visibility is specified by binding type */
|
|
|
|
|
#define STV_INTERNAL 1 /* OS specific version of STV_HIDDEN */
|
|
|
|
|
#define STV_HIDDEN 2 /* Can only be seen inside currect component */
|
|
|
|
|
#define STV_PROTECTED 3 /* Treat as STB_LOCAL inside current component */
|
|
|
|
|
|
2000-11-22 23:19:15 +00:00
|
|
|
/* Relocation info handling macros. */
|
1999-05-03 07:29:11 +00:00
|
|
|
|
|
|
|
|
#define ELF32_R_SYM(i) ((i) >> 8)
|
|
|
|
|
#define ELF32_R_TYPE(i) ((i) & 0xff)
|
|
|
|
|
#define ELF32_R_INFO(s,t) (((s) << 8) + ((t) & 0xff))
|
|
|
|
|
|
|
|
|
|
#define ELF64_R_SYM(i) ((i) >> 32)
|
|
|
|
|
#define ELF64_R_TYPE(i) ((i) & 0xffffffff)
|
2004-06-19 02:21:14 +00:00
|
|
|
#define ELF64_R_INFO(s,t) (((bfd_vma) (s) << 31 << 1) + (bfd_vma) (t))
|
1999-05-03 07:29:11 +00:00
|
|
|
|
2000-11-22 23:19:15 +00:00
|
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|
/* Dynamic section tags. */
|
1999-05-03 07:29:11 +00:00
|
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|
|
#define DT_NULL 0
|
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#define DT_NEEDED 1
|
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|
#define DT_PLTRELSZ 2
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|
#define DT_PLTGOT 3
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|
#define DT_HASH 4
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#define DT_STRTAB 5
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|
#define DT_SYMTAB 6
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|
#define DT_RELA 7
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#define DT_RELASZ 8
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#define DT_RELAENT 9
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#define DT_STRSZ 10
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#define DT_SYMENT 11
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#define DT_INIT 12
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#define DT_FINI 13
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|
#define DT_SONAME 14
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#define DT_RPATH 15
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#define DT_SYMBOLIC 16
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|
#define DT_REL 17
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#define DT_RELSZ 18
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|
#define DT_RELENT 19
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|
#define DT_PLTREL 20
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|
#define DT_DEBUG 21
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|
#define DT_TEXTREL 22
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|
#define DT_JMPREL 23
|
2003-01-17 01:32:46 +00:00
|
|
|
#define DT_BIND_NOW 24
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|
#define DT_INIT_ARRAY 25
|
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|
#define DT_FINI_ARRAY 26
|
1999-05-03 07:29:11 +00:00
|
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|
#define DT_INIT_ARRAYSZ 27
|
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|
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|
#define DT_FINI_ARRAYSZ 28
|
2003-01-17 01:32:46 +00:00
|
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|
#define DT_RUNPATH 29
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|
#define DT_FLAGS 30
|
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|
|
#define DT_ENCODING 31
|
2000-01-11 17:53:33 +00:00
|
|
|
#define DT_PREINIT_ARRAY 32
|
1999-12-28 18:40:48 +00:00
|
|
|
#define DT_PREINIT_ARRAYSZ 33
|
1999-05-03 07:29:11 +00:00
|
|
|
|
2000-01-11 17:53:33 +00:00
|
|
|
/* Note, the Oct 4, 1999 draft of the ELF ABI changed the values
|
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|
|
|
for DT_LOOS and DT_HIOS. Some implementations however, use
|
2003-01-17 01:32:46 +00:00
|
|
|
values outside of the new range (see below). */
|
2000-01-11 17:53:33 +00:00
|
|
|
#define OLD_DT_LOOS 0x60000000
|
2003-01-17 01:32:46 +00:00
|
|
|
#define DT_LOOS 0x6000000d
|
2003-12-06 05:32:21 +00:00
|
|
|
#define DT_HIOS 0x6ffff000
|
2003-01-17 01:32:46 +00:00
|
|
|
#define OLD_DT_HIOS 0x6fffffff
|
2000-01-11 17:53:33 +00:00
|
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|
2003-01-17 01:32:46 +00:00
|
|
|
#define DT_LOPROC 0x70000000
|
|
|
|
|
#define DT_HIPROC 0x7fffffff
|
1999-05-03 07:29:11 +00:00
|
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/* The next four dynamic tags are used on Solaris. We support them
|
2003-01-17 01:32:46 +00:00
|
|
|
everywhere. Note these values lie outside of the (new) range for
|
|
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|
|
OS specific values. This is a deliberate special case and we
|
2000-01-11 17:53:33 +00:00
|
|
|
maintain it for backwards compatability. */
|
1999-05-03 07:29:11 +00:00
|
|
|
#define DT_VALRNGLO 0x6ffffd00
|
2002-07-10 15:28:34 +00:00
|
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|
#define DT_GNU_PRELINKED 0x6ffffdf5
|
|
|
|
|
#define DT_GNU_CONFLICTSZ 0x6ffffdf6
|
|
|
|
|
#define DT_GNU_LIBLISTSZ 0x6ffffdf7
|
2000-07-19 18:22:41 +00:00
|
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|
#define DT_CHECKSUM 0x6ffffdf8
|
1999-05-03 07:29:11 +00:00
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#define DT_PLTPADSZ 0x6ffffdf9
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|
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|
#define DT_MOVEENT 0x6ffffdfa
|
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|
#define DT_MOVESZ 0x6ffffdfb
|
2000-07-19 18:02:31 +00:00
|
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|
#define DT_FEATURE 0x6ffffdfc
|
1999-05-03 07:29:11 +00:00
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#define DT_POSFLAG_1 0x6ffffdfd
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#define DT_SYMINSZ 0x6ffffdfe
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#define DT_SYMINENT 0x6ffffdff
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#define DT_VALRNGHI 0x6ffffdff
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#define DT_ADDRRNGLO 0x6ffffe00
|
2002-07-10 15:28:34 +00:00
|
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|
#define DT_GNU_CONFLICT 0x6ffffef8
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|
#define DT_GNU_LIBLIST 0x6ffffef9
|
2000-07-19 18:02:31 +00:00
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#define DT_CONFIG 0x6ffffefa
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#define DT_DEPAUDIT 0x6ffffefb
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#define DT_AUDIT 0x6ffffefc
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#define DT_PLTPAD 0x6ffffefd
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#define DT_MOVETAB 0x6ffffefe
|
1999-05-03 07:29:11 +00:00
|
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|
#define DT_SYMINFO 0x6ffffeff
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#define DT_ADDRRNGHI 0x6ffffeff
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#define DT_RELACOUNT 0x6ffffff9
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|
#define DT_RELCOUNT 0x6ffffffa
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|
#define DT_FLAGS_1 0x6ffffffb
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|
#define DT_VERDEF 0x6ffffffc
|
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|
#define DT_VERDEFNUM 0x6ffffffd
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|
#define DT_VERNEED 0x6ffffffe
|
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#define DT_VERNEEDNUM 0x6fffffff
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/* This tag is a GNU extension to the Solaris version scheme. */
|
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|
#define DT_VERSYM 0x6ffffff0
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#define DT_LOPROC 0x70000000
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#define DT_HIPROC 0x7fffffff
|
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/* These section tags are used on Solaris. We support them
|
|
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|
|
everywhere, and hope they do not conflict. */
|
|
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|
#define DT_AUXILIARY 0x7ffffffd
|
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|
#define DT_USED 0x7ffffffe
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#define DT_FILTER 0x7fffffff
|
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|
2000-07-19 18:02:31 +00:00
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/* Values used in DT_FEATURE .dynamic entry. */
|
1999-05-03 07:29:11 +00:00
|
|
|
#define DTF_1_PARINIT 0x00000001
|
2000-07-19 18:22:41 +00:00
|
|
|
/* From
|
2000-07-19 18:02:31 +00:00
|
|
|
|
|
|
|
|
http://docs.sun.com:80/ab2/coll.45.13/LLM/@Ab2PageView/21165?Ab2Lang=C&Ab2Enc=iso-8859-1
|
|
|
|
|
|
2000-07-19 18:22:41 +00:00
|
|
|
DTF_1_CONFEXP is the same as DTF_1_PARINIT. It is a typo. The value
|
2000-11-22 23:19:15 +00:00
|
|
|
defined here is the same as the one in <sys/link.h> on Solaris 8. */
|
2000-07-19 18:02:31 +00:00
|
|
|
#define DTF_1_CONFEXP 0x00000002
|
1999-05-03 07:29:11 +00:00
|
|
|
|
2003-01-17 01:32:46 +00:00
|
|
|
/* Flag values used in the DT_POSFLAG_1 .dynamic entry. */
|
1999-05-03 07:29:11 +00:00
|
|
|
#define DF_P1_LAZYLOAD 0x00000001
|
|
|
|
|
#define DF_P1_GROUPPERM 0x00000002
|
|
|
|
|
|
2000-07-19 00:33:45 +00:00
|
|
|
/* Flag value in in the DT_FLAGS_1 .dynamic entry. */
|
1999-05-03 07:29:11 +00:00
|
|
|
#define DF_1_NOW 0x00000001
|
|
|
|
|
#define DF_1_GLOBAL 0x00000002
|
|
|
|
|
#define DF_1_GROUP 0x00000004
|
|
|
|
|
#define DF_1_NODELETE 0x00000008
|
|
|
|
|
#define DF_1_LOADFLTR 0x00000010
|
|
|
|
|
#define DF_1_INITFIRST 0x00000020
|
|
|
|
|
#define DF_1_NOOPEN 0x00000040
|
|
|
|
|
#define DF_1_ORIGIN 0x00000080
|
|
|
|
|
#define DF_1_DIRECT 0x00000100
|
|
|
|
|
#define DF_1_TRANS 0x00000200
|
|
|
|
|
#define DF_1_INTERPOSE 0x00000400
|
2000-07-19 18:43:35 +00:00
|
|
|
#define DF_1_NODEFLIB 0x00000800
|
2000-07-19 18:02:31 +00:00
|
|
|
#define DF_1_NODUMP 0x00001000
|
|
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|
|
#define DF_1_CONLFAT 0x00002000
|
1999-05-03 07:29:11 +00:00
|
|
|
|
2003-01-17 01:32:46 +00:00
|
|
|
/* Flag values for the DT_FLAGS entry. */
|
1999-12-28 18:40:48 +00:00
|
|
|
#define DF_ORIGIN (1 << 0)
|
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|
|
|
#define DF_SYMBOLIC (1 << 1)
|
|
|
|
|
#define DF_TEXTREL (1 << 2)
|
|
|
|
|
#define DF_BIND_NOW (1 << 3)
|
* elf.c (_bfd_elf_make_section_from_shdr): Set SEC_THREAD_LOCAL
for symbols from SHF_TLS section.
(_bfd_elf_print_private_bfd_data): Add PT_TLS.
(elf_fake_sections): Set SHF_TLS for SEC_THREAD_LOCAL sections.
(map_sections_to_segments): Build PT_TLS segment if necessary.
(assign_file_positions_for_segments): Likewise.
(get_program_header_size): Account for PT_TLS segment.
(swap_out_syms): Set type of BSF_THREAD_LOCAL symbols and symbols from
SEC_THREAD_LOCAL sections to STT_TLS.
* reloc.c: Add 386 and IA-64 TLS relocs.
* section.c (SEC_THREAD_LOCAL): Define.
(SEC_CONSTRUCTOR_TEXT, SEC_CONSTRUCTOR_DATA, SEC_CONSTRUCTOR_BSS):
Remove.
* elflink.h (elf_link_add_object_symbols): Support .tcommon.
(size_dynamic_sections): If DF_STATIC_TLS, set DF_FLAGS
unconditionally.
(struct elf_final_link_info): Add first_tls_sec.
(elf_bfd_final_link): Set first_tls_sec.
Compute elf_hash_table (info)->tls_segment.
(elf_link_output_extsym): Handle STT_TLS symbols.
(elf_link_input_bfd): Likewise.
* syms.c (BSF_THREAD_LOCAL): Define.
* bfd-in2.h: Rebuilt.
* libbfd.h: Rebuilt.
* elf32-i386.c (elf_i386_tls_transition, dtpoff_base, tpoff,
elf_i386_mkobject, elf_i386_object_p): New functions.
(elf_howto_table): Add TLS relocs.
(elf_i386_reloc_type_lookup): Support TLS relocs.
(elf_i386_info_to_howto_rel): Likewise.
(struct elf_i386_link_hash_entry): Add tls_type.
(struct elf_i386_obj_tdata): New.
(elf_i386_hash_entry, elf_i386_tdata, elf_i386_local_got_tls_type):
New macros.
(struct elf_i386_link_hash_table): Add tls_ldm_got.
(link_hash_newfunc): Clear tls_type.
(elf_i386_check_relocs): Support TLS relocs.
(elf_i386_gc_sweep_hook): Likewise.
(allocate_dynrelocs): Likewise.
(elf_i386_size_dynamic_sections): Likewise.
(elf_i386_relocate_section): Likewise.
(elf_i386_finish_dynamic_symbol): Likewise.
(bfd_elf32_mkobject, elf_backend_object_p): Define.
* elfxx-ia64.c (struct elfNN_ia64_dyn_sym_info): Add tprel_offset,
dtpmod_offset, dtprel_offset, tprel_done, dtpmod_done, dtprel_done,
want_tprel, want_dtpmod, want_dtprel.
(elfNN_ia64_tprel_base, elfNN_ia64_dtprel_base): New functions.
(ia64_howto_table): Add TLS relocs, rename R_IA64_LTOFF_TP22 to
R_IA64_LTOFF_TPREL22.
(elf_code_to_howto_index): Add TLS relocs.
(elfNN_ia64_check_relocs): Support TLS relocs.
(allocate_global_data_got): Account for TLS .got data.
(allocate_dynrel_entries): Account for TLS dynamic relocations.
(elfNN_ia64_install_value): Supprt TLS relocs.
(set_got_entry): Support TLS relocs.
(elfNN_ia64_relocate_section): Likewise.
* config/obj-elf.c (elf_common): Renamed from obj_elf_common.
(obj_elf_common): Call elf_common.
(obj_elf_tls_common): New function.
(elf_pseudo_tab): Support .tls_common.
(special_sections): Add .tdata and .tbss.
(obj_elf_change_section): Set SEC_THREAD_LOCAL for SHF_TLS
sections.
(obj_elf_parse_section_letters): Support T in section flags (SHF_TLS).
(obj_elf_parse_section_letters): Include T in error message.
* config/tc-ppc.c (ppc_section_letter): Likewise.
* config/tc-alpha.c (alpha_elf_section_letter): Likewise.
(tc_gen_reloc): Handle SEC_THREAD_LOCAL the same way as
SEC_MERGE.
* config/tc-sparc.c (md_apply_fix3): Likewise.
* config/tc-i386.c (tc_i386_fix_adjustable): Add TLS relocs.
Define them if not BFD_ASSEMBLER.
(lex_got): Support @TLSGD, @TLSLDM, @GOTTPOFF, @TPOFF, @DTPOFF
and @NTPOFF.
(md_apply_fix3): Add TLS relocs.
* config/tc-ia64.c (enum reloc_func): Add FUNC_DTP_MODULE,
FUNC_DTP_RELATIVE, FUNC_TP_RELATIVE, FUNC_LT_DTP_MODULE,
FUNC_LT_DTP_RELATIVE, FUNC_LT_TP_RELATIVE.
(pseudo_func): Support @dtpmod(), @dtprel() and @tprel().
(ia64_elf_section_letter): Include T in error message.
(md_begin): Support TLS operators.
(md_operand): Likewise.
(ia64_gen_real_reloc_type): Support TLS relocs.
* testsuite/gas/i386/tlspic.s: New file.
* testsuite/gas/i386/tlsd.s: New file.
* testsuite/gas/i386/tlsnopic.s: New file.
* testsuite/gas/i386/tlsd.d: New file.
* testsuite/gas/i386/tlsnopic.d: New file.
* testsuite/gas/i386/tlspic.d: New file.
* testsuite/gas/i386/i386.exp: Add tlsd, tlsnopic and tlspic tests.
* testsuite/gas/ia64/tls.s: New file.
* testsuite/gas/ia64/tls.d: New file.
* testsuite/gas/ia64/ia64.exp: Add tls test.
* write.c (adjust_reloc_syms): Don't change symbols in
SEC_THREAD_LOCAL sections to STT_SECTION + addend.
* elf/common.h (PT_TLS, SHF_TLS, STT_TLS, DF_STATIC_TLS): Define.
* elf/ia64.h (R_IA64_LTOFF_TPREL22): Renamed from R_IA64_LTOFF_TP22.
* elf/i386.h: Add TLS relocs.
* scripttempl/elf.sc: Add .rel{,a}.t{bss,data}, .tdata and .tbss.
* ldlang.c (lang_add_section): Set SEC_THREAD_LOCAL for
output section if necessary. Handle .tbss.
(lang_size_sections): Clear _raw_size for .tbss section
(it allocates space in PT_TLS segment only).
* ldwrite.c (build_link_order): Build link order for .tbss too.
* readelf.c (get_segment_type): Add PT_TLS.
(get_elf_section_flags): Add SHF_TLS.
(get_dynamic_flags): Optimize. Add DF_STATIC_TLS.
(process_dynamic_segment): Use puts instead of printf.
(get_symbol_type): Support STT_TLS.
* objdump.c (dump_section_header): Remove SEC_CONSTRUCTOR_TEXT,
SEC_CONSTRUCTOR_DATA, SEC_CONSTRUCTOR_BSS.
Add SEC_THREAD_LOCAL.
2002-05-23 13:12:53 +00:00
|
|
|
#define DF_STATIC_TLS (1 << 4)
|
1999-12-28 18:40:48 +00:00
|
|
|
|
1999-05-03 07:29:11 +00:00
|
|
|
/* These constants are used for the version number of a Elf32_Verdef
|
|
|
|
|
structure. */
|
|
|
|
|
|
|
|
|
|
#define VER_DEF_NONE 0
|
|
|
|
|
#define VER_DEF_CURRENT 1
|
|
|
|
|
|
|
|
|
|
/* These constants appear in the vd_flags field of a Elf32_Verdef
|
|
|
|
|
structure. */
|
|
|
|
|
|
|
|
|
|
#define VER_FLG_BASE 0x1
|
|
|
|
|
#define VER_FLG_WEAK 0x2
|
|
|
|
|
|
|
|
|
|
/* These special constants can be found in an Elf32_Versym field. */
|
|
|
|
|
|
|
|
|
|
#define VER_NDX_LOCAL 0
|
|
|
|
|
#define VER_NDX_GLOBAL 1
|
|
|
|
|
|
|
|
|
|
/* These constants are used for the version number of a Elf32_Verneed
|
|
|
|
|
structure. */
|
|
|
|
|
|
|
|
|
|
#define VER_NEED_NONE 0
|
|
|
|
|
#define VER_NEED_CURRENT 1
|
|
|
|
|
|
|
|
|
|
/* This flag appears in a Versym structure. It means that the symbol
|
|
|
|
|
is hidden, and is only visible with an explicit version number.
|
|
|
|
|
This is a GNU extension. */
|
|
|
|
|
|
|
|
|
|
#define VERSYM_HIDDEN 0x8000
|
|
|
|
|
|
|
|
|
|
/* This is the mask for the rest of the Versym information. */
|
|
|
|
|
|
|
|
|
|
#define VERSYM_VERSION 0x7fff
|
|
|
|
|
|
|
|
|
|
/* This is a special token which appears as part of a symbol name. It
|
|
|
|
|
indictes that the rest of the name is actually the name of a
|
|
|
|
|
version node, and is not part of the actual name. This is a GNU
|
|
|
|
|
extension. For example, the symbol name `stat@ver2' is taken to
|
|
|
|
|
mean the symbol `stat' in version `ver2'. */
|
|
|
|
|
|
|
|
|
|
#define ELF_VER_CHR '@'
|
|
|
|
|
|
|
|
|
|
/* Possible values for si_boundto. */
|
2000-11-22 23:19:15 +00:00
|
|
|
|
1999-05-03 07:29:11 +00:00
|
|
|
#define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */
|
|
|
|
|
#define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */
|
|
|
|
|
#define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */
|
|
|
|
|
|
|
|
|
|
/* Possible bitmasks for si_flags. */
|
2000-11-22 23:19:15 +00:00
|
|
|
|
1999-05-03 07:29:11 +00:00
|
|
|
#define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */
|
|
|
|
|
#define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */
|
|
|
|
|
#define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */
|
2000-11-22 23:19:15 +00:00
|
|
|
#define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy loaded */
|
|
|
|
|
|
1999-05-03 07:29:11 +00:00
|
|
|
/* Syminfo version values. */
|
2000-11-22 23:19:15 +00:00
|
|
|
|
1999-05-03 07:29:11 +00:00
|
|
|
#define SYMINFO_NONE 0
|
|
|
|
|
#define SYMINFO_CURRENT 1
|
|
|
|
|
#define SYMINFO_NUM 2
|
|
|
|
|
|
2003-01-17 01:32:46 +00:00
|
|
|
/* Section Group Flags. */
|
2000-11-22 23:19:15 +00:00
|
|
|
|
|
|
|
|
#define GRP_COMDAT 0x1 /* A COMDAT group */
|
|
|
|
|
|
2003-05-21 00:55:15 +00:00
|
|
|
/* Auxv a_type values. */
|
|
|
|
|
|
|
|
|
|
#define AT_NULL 0 /* End of vector */
|
|
|
|
|
#define AT_IGNORE 1 /* Entry should be ignored */
|
|
|
|
|
#define AT_EXECFD 2 /* File descriptor of program */
|
|
|
|
|
#define AT_PHDR 3 /* Program headers for program */
|
|
|
|
|
#define AT_PHENT 4 /* Size of program header entry */
|
|
|
|
|
#define AT_PHNUM 5 /* Number of program headers */
|
|
|
|
|
#define AT_PAGESZ 6 /* System page size */
|
|
|
|
|
#define AT_BASE 7 /* Base address of interpreter */
|
|
|
|
|
#define AT_FLAGS 8 /* Flags */
|
|
|
|
|
#define AT_ENTRY 9 /* Entry point of program */
|
|
|
|
|
#define AT_NOTELF 10 /* Program is not ELF */
|
|
|
|
|
#define AT_UID 11 /* Real uid */
|
|
|
|
|
#define AT_EUID 12 /* Effective uid */
|
|
|
|
|
#define AT_GID 13 /* Real gid */
|
|
|
|
|
#define AT_EGID 14 /* Effective gid */
|
|
|
|
|
#define AT_CLKTCK 17 /* Frequency of times() */
|
|
|
|
|
#define AT_PLATFORM 15 /* String identifying platform. */
|
|
|
|
|
#define AT_HWCAP 16 /* Machine dependent hints about
|
|
|
|
|
processor capabilities. */
|
|
|
|
|
#define AT_FPUCW 18 /* Used FPU control word. */
|
|
|
|
|
#define AT_DCACHEBSIZE 19 /* Data cache block size. */
|
|
|
|
|
#define AT_ICACHEBSIZE 20 /* Instruction cache block size. */
|
|
|
|
|
#define AT_UCACHEBSIZE 21 /* Unified cache block size. */
|
|
|
|
|
#define AT_IGNOREPPC 22 /* Entry should be ignored */
|
2004-01-29 02:41:18 +00:00
|
|
|
#define AT_SECURE 23 /* Boolean, was exec setuid-like? */
|
2003-05-21 00:55:15 +00:00
|
|
|
/* Pointer to the global system page used for system calls and other
|
|
|
|
|
nice things. */
|
|
|
|
|
#define AT_SYSINFO 32
|
2004-01-21 Roland McGrath <roland@redhat.com>
* common.h (AT_SUN_UID, AT_SUN_RUID, AT_SUN_GID): New macros.
(AT_SUN_RGID, AT_SUN_LDELF, AT_SUN_LDSHDR, AT_SUN_LDNAME,
AT_SUN_LPAGESZ, AT_SUN_PLATFORM, AT_SUN_HWCAP, AT_SUN_IFLUSH,
AT_SUN_CPU, AT_SUN_EMUL_ENTRY, AT_SUN_EMUL_EXECFD,
AT_SUN_EXECNAME) AT_SUN_MMU, AT_SUN_LDDATA): Likewise.
2004-01-29 00:37:41 +00:00
|
|
|
#define AT_SYSINFO_EHDR 33 /* Pointer to ELF header of system-supplied DSO. */
|
|
|
|
|
|
|
|
|
|
#define AT_SUN_UID 2000 /* Effective user ID. */
|
|
|
|
|
#define AT_SUN_RUID 2001 /* Real user ID. */
|
|
|
|
|
#define AT_SUN_GID 2002 /* Effective group ID. */
|
|
|
|
|
#define AT_SUN_RGID 2003 /* Real group ID. */
|
|
|
|
|
#define AT_SUN_LDELF 2004 /* Dynamic linker's ELF header. */
|
|
|
|
|
#define AT_SUN_LDSHDR 2005 /* Dynamic linker's section headers. */
|
|
|
|
|
#define AT_SUN_LDNAME 2006 /* String giving name of dynamic linker. */
|
|
|
|
|
#define AT_SUN_LPAGESZ 2007 /* Large pagesize. */
|
|
|
|
|
#define AT_SUN_PLATFORM 2008 /* Platform name string. */
|
|
|
|
|
#define AT_SUN_HWCAP 2009 /* Machine dependent hints about
|
|
|
|
|
processor capabilities. */
|
|
|
|
|
#define AT_SUN_IFLUSH 2010 /* Should flush icache? */
|
|
|
|
|
#define AT_SUN_CPU 2011 /* CPU name string. */
|
|
|
|
|
#define AT_SUN_EMUL_ENTRY 2012 /* COFF entry point address. */
|
|
|
|
|
#define AT_SUN_EMUL_EXECFD 2013 /* COFF executable file descriptor. */
|
|
|
|
|
#define AT_SUN_EXECNAME 2014 /* Canonicalized file name given to execve. */
|
|
|
|
|
#define AT_SUN_MMU 2015 /* String for name of MMU module. */
|
|
|
|
|
#define AT_SUN_LDDATA 2016 /* Dynamic linker's data segment address. */
|
|
|
|
|
|
2003-05-21 00:55:15 +00:00
|
|
|
|
1999-05-03 07:29:11 +00:00
|
|
|
#endif /* _ELF_COMMON_H */
|
