Author: imp
Date: Tue Jul 9 19:01:38 2013
New Revision: 253103
URL: http://svnweb.freebsd.org/changeset/base/253103
Log:
Nearly a complete rewrite of elf.h.
Start with NetBSD's sys/arch/mips/include/elf_machdep.h 1.18. Remove the
NetBSD
specific glue pieces (leaving mostly just relocation types).
Add in FreeBSD specific glue pieces from older versions of this file, and
move to the top of the file:
r237430 | kib | 2012-06-22 00:38:31 -0600 (Fri, 22 Jun 2012) | 5 lines
r232449 | jmallett | 2012-03-03 01:19:18 -0700 (Sat, 03 Mar 2012) | 18 lines
r217097 | kib | 2011-01-07 07:22:34 -0700 (Fri, 07 Jan 2011) | 3 lines
r211412 | kib | 2010-08-17 02:55:45 -0600 (Tue, 17 Aug 2010) | 7 lines
r202908 | gonzo | 2010-01-23 19:59:22 -0700 (Sat, 23 Jan 2010) | 4 lines
r195356 | imp | 2009-07-05 01:00:51 -0600 (Sun, 05 Jul 2009) | 6 lines
r195128 | gonzo | 2009-06-27 17:27:41 -0600 (Sat, 27 Jun 2009) | 4 lines
r197933 | kib | 2009-10-10 09:31:24 -0600 (Sat, 10 Oct 2009) | 9 lines
r189926 | kib | 2009-03-17 06:50:16 -0600 (Tue, 17 Mar 2009) | 9 lines
r186191 | imp | 2008-12-16 13:07:47 -0700 (Tue, 16 Dec 2008) | 7 lines
as closely as I can tell, the projects/mips branch merge was disruptive
to good history.
This should make merges easier in the future from NetBSD and vice versa.
Modified:
head/sys/mips/include/elf.h
Modified: head/sys/mips/include/elf.h
==============================================================================
--- head/sys/mips/include/elf.h Tue Jul 9 18:15:59 2013 (r253102)
+++ head/sys/mips/include/elf.h Tue Jul 9 19:01:38 2013 (r253103)
@@ -1,7 +1,5 @@
-/* $OpenBSD: elf_abi.h,v 1.1 1998/01/28 11:14:41 pefo Exp $ */
-
-/*-
- * Copyright (c) 1996 Per Fogelstrom
+/*
+ * Copyright (c) 2013 M. Warner Losh. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -11,18 +9,12 @@
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed under OpenBSD by
- * Per Fogelstrom.
- * 4. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
*
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
- * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
@@ -30,190 +22,60 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * JNPR: elf.h,v 1.4 2006/12/02 09:53:40 katta
* $FreeBSD$
+ */
+
+/*-
+ * Copyright (c) 2013 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
*
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * See below starting with the line with $NetBSD...$ for code this applies to.
*/
-#ifndef _MACHINE_ELF_H_
-#define _MACHINE_ELF_H_
+#ifndef __MIPS_ELF_H
+#define __MIPS_ELF_H
-/* Information taken from MIPS ABI supplemental */
+/* FreeBSD specific bits - derived from FreeBSD specific files and changes to
old elf.h */
+/*
+ * Define __ELF_WORD_SIZE based on the ABI, if not defined yet. This sets
+ * the proper defaults when we're not trying to do 32-bit on 64-bit systems.
+ * We include both 32 and 64 bit versions so we can support multiple ABIs.
+ */
#ifndef __ELF_WORD_SIZE
#if defined(__mips_n64)
-#define __ELF_WORD_SIZE 64 /* Used by <sys/elf_generic.h> */
+#define __ELF_WORD_SIZE 64
#else
-#define __ELF_WORD_SIZE 32 /* Used by <sys/elf_generic.h> */
+#define __ELF_WORD_SIZE 32
#endif
#endif
-#include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */
-#include <sys/elf64.h> /* Definitions common to all 64 bit architectures. */
+#include <sys/elf32.h>
+#include <sys/elf64.h>
#include <sys/elf_generic.h>
-#define ELF_ARCH EM_MIPS
-#if __ELF_WORD_SIZE == 32
-#define ELF_ARCH32 EM_MIPS
-#endif
-#define ELF_MACHINE_OK(x) ((x) == EM_MIPS || (x) == EM_MIPS_RS4_BE)
-
-/* Architecture dependent Segment types - p_type */
-#define PT_MIPS_REGINFO 0x70000000 /* Register usage
information */
-
-/* Architecture dependent d_tag field for Elf32_Dyn. */
-#define DT_MIPS_RLD_VERSION 0x70000001 /* Runtime Linker Interface
ID */
-#define DT_MIPS_TIME_STAMP 0x70000002 /* Timestamp */
-#define DT_MIPS_ICHECKSUM 0x70000003 /* Cksum of ext str and com
sizes */
-#define DT_MIPS_IVERSION 0x70000004 /* Version string (string
tbl index) */
-#define DT_MIPS_FLAGS 0x70000005 /* Flags */
-#define DT_MIPS_BASE_ADDRESS 0x70000006 /* Segment base address */
-#define DT_MIPS_CONFLICT 0x70000008 /* Adr of .conflict section
*/
-#define DT_MIPS_LIBLIST 0x70000009 /* Address of .liblist
section */
-#define DT_MIPS_LOCAL_GOTNO 0x7000000a /* Number of local .GOT
entries */
-#define DT_MIPS_CONFLICTNO 0x7000000b /* Number of .conflict
entries */
-#define DT_MIPS_LIBLISTNO 0x70000010 /* Number of .liblist
entries */
-#define DT_MIPS_SYMTABNO 0x70000011 /* Number of .dynsym entries
*/
-#define DT_MIPS_UNREFEXTNO 0x70000012 /* First external DYNSYM */
-#define DT_MIPS_GOTSYM 0x70000013 /* First GOT entry in
.dynsym */
-#define DT_MIPS_HIPAGENO 0x70000014 /* Number of GOT page table
entries */
-#define DT_MIPS_RLD_MAP 0x70000016 /* Address of debug map
pointer */
-
-#define DT_PROCNUM (DT_MIPS_RLD_MAP - DT_LOPROC + 1)
-
-/*
- * Legal values for e_flags field of Elf32_Ehdr.
- */
-#define EF_MIPS_NOREORDER 1 /* .noreorder was used
*/
-#define EF_MIPS_PIC 2 /* Contains PIC code */
-#define EF_MIPS_CPIC 4 /* Uses PIC calling
sequence */
-#define EF_MIPS_ARCH 0xf0000000 /* MIPS architecture
level */
-
-/*
- * Mips special sections.
- */
-#define SHN_MIPS_ACOMMON 0xff00 /* Allocated common
symbols */
-#define SHN_MIPS_SCOMMON 0xff03 /* Small common symbols
*/
-#define SHN_MIPS_SUNDEFINED 0xff04 /* Small undefined
symbols */
-
-/*
- * Legal values for sh_type field of Elf32_Shdr.
- */
-#define SHT_MIPS_LIBLIST 0x70000000 /* Shared objects used in
link */
-#define SHT_MIPS_CONFLICT 0x70000002 /* Conflicting symbols */
-#define SHT_MIPS_GPTAB 0x70000003 /* Global data area sizes */
-#define SHT_MIPS_UCODE 0x70000004 /* Reserved for SGI/MIPS
compilers */
-#define SHT_MIPS_DEBUG 0x70000005 /* MIPS ECOFF debugging
information */
-#define SHT_MIPS_REGINFO 0x70000006 /* Register usage
information */
-
-/*
- * Legal values for sh_flags field of Elf32_Shdr.
- */
-#define SHF_MIPS_GPREL 0x10000000 /* Must be part of global
data area */
-
-/*
- * Entries found in sections of type SHT_MIPS_GPTAB.
- */
-typedef union {
- struct {
- Elf32_Word gt_current_g_value; /* -G val used in compilation */
- Elf32_Word gt_unused; /* Not used */
- } gt_header; /* First entry in section */
- struct {
- Elf32_Word gt_g_value; /* If this val were used for -G */
- Elf32_Word gt_bytes; /* This many bytes would be used */
- } gt_entry; /* Subsequent entries in section */
-} Elf32_gptab;
-typedef union {
- struct {
- Elf64_Word gt_current_g_value; /* -G val used in compilation */
- Elf64_Word gt_unused; /* Not used */
- } gt_header; /* First entry in section */
- struct {
- Elf64_Word gt_g_value; /* If this val were used for -G */
- Elf64_Word gt_bytes; /* This many bytes would be used */
- } gt_entry; /* Subsequent entries in section */
-} Elf64_gptab;
-
-/*
- * Entry found in sections of type SHT_MIPS_REGINFO.
- */
-typedef struct {
- Elf32_Word ri_gprmask; /* General registers used */
- Elf32_Word ri_cprmask[4]; /* Coprocessor registers used */
- Elf32_Sword ri_gp_value; /* $gp register value */
-} Elf32_RegInfo;
-typedef struct {
- Elf64_Word ri_gprmask; /* General registers used */
- Elf64_Word ri_cprmask[4]; /* Coprocessor registers used */
- Elf64_Sword ri_gp_value; /* $gp register value */
-} Elf64_RegInfo;
-
-
-/*
- * Mips relocations.
- */
-
-#define R_MIPS_NONE 0 /* No reloc */
-#define R_MIPS_16 1 /* Direct 16 bit */
-#define R_MIPS_32 2 /* Direct 32 bit */
-#define R_MIPS_REL32 3 /* PC relative 32 bit */
-#define R_MIPS_26 4 /* Direct 26 bit shifted */
-#define R_MIPS_HI16 5 /* High 16 bit */
-#define R_MIPS_LO16 6 /* Low 16 bit */
-#define R_MIPS_GPREL16 7 /* GP relative 16 bit */
-#define R_MIPS_LITERAL 8 /* 16 bit literal entry */
-#define R_MIPS_GOT16 9 /* 16 bit GOT entry */
-#define R_MIPS_PC16 10 /* PC relative 16 bit */
-#define R_MIPS_CALL16 11 /* 16 bit GOT entry for function */
-#define R_MIPS_GPREL32 12 /* GP relative 32 bit */
-#define R_MIPS_GOTHI16 21 /* GOT HI 16 bit */
-#define R_MIPS_GOTLO16 22 /* GOT LO 16 bit */
-#define R_MIPS_CALLHI16 30 /* upper 16 bit GOT entry for function
*/
-#define R_MIPS_CALLLO16 31 /* lower 16 bit GOT entry for function
*/
-
-/*
- * These are from the 64-bit Irix ELF ABI
- */
-#define R_MIPS_SHIFT5 16
-#define R_MIPS_SHIFT6 17
-#define R_MIPS_64 18
-#define R_MIPS_GOT_DISP 19
-#define R_MIPS_GOT_PAGE 20
-#define R_MIPS_GOT_OFST 21
-#define R_MIPS_GOT_HI16 22
-#define R_MIPS_GOT_LO16 23
-#define R_MIPS_SUB 24
-#define R_MIPS_INSERT_A 25
-#define R_MIPS_INSERT_B 26
-#define R_MIPS_DELETE 27
-#define R_MIPS_HIGHER 28
-#define R_MIPS_HIGHEST 29
-#define R_MIPS_SCN_DISP 32
-#define R_MIPS_REL16 33
-#define R_MIPS_ADD_IMMEDIATE 34
-#define R_MIPS_PJUMP 35
-#define R_MIPS_RELGOT 36
-#define R_MIPS_JALR 37
-
-/*
- * TLS relocations
- */
-#define R_MIPS_TLS_DTPMOD32 38 /* Module number 32 bit */
-#define R_MIPS_TLS_DTPREL32 39 /* Module-relative offset 32
bit */
-#define R_MIPS_TLS_DTPMOD64 40 /* Module number 64 bit */
-#define R_MIPS_TLS_DTPREL64 41 /* Module-relative offset 64
bit */
-#define R_MIPS_TLS_GD 42 /* 16 bit GOT offset for GD */
-#define R_MIPS_TLS_LDM 43 /* 16 bit GOT offset for LDM */
-#define R_MIPS_TLS_DTPREL_HI16 44 /* Module-relative offset, high
16 bits */
-#define R_MIPS_TLS_DTPREL_LO16 45 /* Module-relative offset, low
16 bits */
-#define R_MIPS_TLS_GOTTPREL 46 /* 16 bit GOT offset for IE */
-#define R_MIPS_TLS_TPREL32 47 /* TP-relative offset, 32 bit */
-#define R_MIPS_TLS_TPREL64 48 /* TP-relative offset, 64 bit */
-#define R_MIPS_TLS_TPREL_HI16 49 /* TP-relative offset, high 16
bits */
-#define R_MIPS_TLS_TPREL_LO16 50 /* TP-relative offset, low 16
bits */
-
-#define R_MIPS_max 51
-#define R_TYPE(name) __CONCAT(R_MIPS_,name)
+#define ELF_ARCH EM_MIPS
+#define ELF_ARCH32 EM_MIPS
/* Define "machine" characteristics */
#if __ELF_WORD_SIZE == 32
@@ -290,4 +152,137 @@ __ElfType(Auxinfo);
*/
#define SYMTAB_MAGIC 0x64656267
-#endif /* !_MACHINE_ELF_H_ */
+/* from NetBSD's sys/mips/include/elf_machdep.h $NetBSD: elf_machdep.h,v 1.18
2013/05/23 21:39:49 christos Exp $ */
+
+/* mips relocs. */
+
+#define R_MIPS_NONE 0
+#define R_MIPS_16 1
+#define R_MIPS_32 2
+#define R_MIPS_REL32 3
+#define R_MIPS_REL R_MIPS_REL32
+#define R_MIPS_26 4
+#define R_MIPS_HI16 5 /* high 16 bits of symbol value
*/
+#define R_MIPS_LO16 6 /* low 16 bits of symbol value
*/
+#define R_MIPS_GPREL16 7 /* GP-relative reference */
+#define R_MIPS_LITERAL 8 /* Reference to literal section
*/
+#define R_MIPS_GOT16 9 /* Reference to global offset
table */
+#define R_MIPS_GOT R_MIPS_GOT16
+#define R_MIPS_PC16 10 /* 16 bit PC relative reference
*/
+#define R_MIPS_CALL16 11 /* 16 bit call thru glbl offset
tbl */
+#define R_MIPS_CALL R_MIPS_CALL16
+#define R_MIPS_GPREL32 12
+
+/* 13, 14, 15 are not defined at this point. */
+#define R_MIPS_UNUSED1 13
+#define R_MIPS_UNUSED2 14
+#define R_MIPS_UNUSED3 15
+
+/*
+ * The remaining relocs are apparently part of the 64-bit Irix ELF ABI.
+ */
+#define R_MIPS_SHIFT5 16
+#define R_MIPS_SHIFT6 17
+
+#define R_MIPS_64 18
+#define R_MIPS_GOT_DISP 19
+#define R_MIPS_GOT_PAGE 20
+#define R_MIPS_GOT_OFST 21
+#define R_MIPS_GOT_HI16 22
+#define R_MIPS_GOT_LO16 23
+#define R_MIPS_SUB 24
+#define R_MIPS_INSERT_A 25
+#define R_MIPS_INSERT_B 26
+#define R_MIPS_DELETE 27
+#define R_MIPS_HIGHER 28
+#define R_MIPS_HIGHEST 29
+#define R_MIPS_CALL_HI16 30
+#define R_MIPS_CALL_LO16 31
+#define R_MIPS_SCN_DISP 32
+#define R_MIPS_REL16 33
+#define R_MIPS_ADD_IMMEDIATE 34
+#define R_MIPS_PJUMP 35
+#define R_MIPS_RELGOT 36
+#define R_MIPS_JALR 37
+/* TLS relocations */
+
+#define R_MIPS_TLS_DTPMOD32 38 /* Module number 32 bit */
+#define R_MIPS_TLS_DTPREL32 39 /* Module-relative offset 32
bit */
+#define R_MIPS_TLS_DTPMOD64 40 /* Module number 64 bit */
+#define R_MIPS_TLS_DTPREL64 41 /* Module-relative offset 64
bit */
+#define R_MIPS_TLS_GD 42 /* 16 bit GOT offset for GD */
+#define R_MIPS_TLS_LDM 43 /* 16 bit GOT offset for LDM */
+#define R_MIPS_TLS_DTPREL_HI16 44 /* Module-relative offset, high
16 bits */
+#define R_MIPS_TLS_DTPREL_LO16 45 /* Module-relative offset, low
16 bits */
+#define R_MIPS_TLS_GOTTPREL 46 /* 16 bit GOT offset for IE */
+#define R_MIPS_TLS_TPREL32 47 /* TP-relative offset, 32 bit */
+#define R_MIPS_TLS_TPREL64 48 /* TP-relative offset, 64 bit */
+#define R_MIPS_TLS_TPREL_HI16 49 /* TP-relative offset, high 16
bits */
+#define R_MIPS_TLS_TPREL_LO16 50 /* TP-relative offset, low 16
bits */
+
+#define R_MIPS_max 51
+
+#define R_TYPE(name) __CONCAT(R_MIPS_,name)
+
+#define R_MIPS16_min 100
+#define R_MIPS16_26 100
+#define R_MIPS16_GPREL 101
+#define R_MIPS16_GOT16 102
+#define R_MIPS16_CALL16 103
+#define R_MIPS16_HI16 104
+#define R_MIPS16_LO16 105
+#define R_MIPS16_max 106
+
+#define R_MIPS_COPY 126
+#define R_MIPS_JUMP_SLOT 127
+
+/* mips dynamic tags */
+
+#define DT_MIPS_RLD_VERSION 0x70000001
+#define DT_MIPS_TIME_STAMP 0x70000002
+#define DT_MIPS_ICHECKSUM 0x70000003
+#define DT_MIPS_IVERSION 0x70000004
+#define DT_MIPS_FLAGS 0x70000005
+#define DT_MIPS_BASE_ADDRESS 0x70000006
+#define DT_MIPS_CONFLICT 0x70000008
+#define DT_MIPS_LIBLIST 0x70000009
+#define DT_MIPS_CONFLICTNO 0x7000000b
+#define DT_MIPS_LOCAL_GOTNO 0x7000000a /* number of local got
ents */
+#define DT_MIPS_LIBLISTNO 0x70000010
+#define DT_MIPS_SYMTABNO 0x70000011 /* number of .dynsym
entries */
+#define DT_MIPS_UNREFEXTNO 0x70000012
+#define DT_MIPS_GOTSYM 0x70000013 /* first dynamic sym in
got */
+#define DT_MIPS_HIPAGENO 0x70000014
+#define DT_MIPS_RLD_MAP 0x70000016 /* address of loader
map */
+#define DT_MIPS_PLTGOT 0x70000032
+#define DT_MIPS_RWPLT 0x70000034
+
+/*
+ * ELF Flags
+ */
+#define EF_MIPS_PIC 0x00000002 /* Contains PIC code */
+#define EF_MIPS_CPIC 0x00000004 /* STD PIC calling
sequence */
+#define EF_MIPS_ABI2 0x00000020 /* N32 */
+
+#define EF_MIPS_ARCH_ASE 0x0f000000 /* Architectural
extensions */
+#define EF_MIPS_ARCH_MDMX 0x08000000 /* MDMX multimedia
extension */
+#define EF_MIPS_ARCH_M16 0x04000000 /* MIPS-16 ISA
extensions */
+
+#define EF_MIPS_ARCH 0xf0000000 /* Architecture field */
+#define EF_MIPS_ARCH_1 0x00000000 /* -mips1 code */
+#define EF_MIPS_ARCH_2 0x10000000 /* -mips2 code */
+#define EF_MIPS_ARCH_3 0x20000000 /* -mips3 code */
+#define EF_MIPS_ARCH_4 0x30000000 /* -mips4 code */
+#define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code */
+#define EF_MIPS_ARCH_32 0x50000000 /* -mips32 code */
+#define EF_MIPS_ARCH_64 0x60000000 /* -mips64 code */
+#define EF_MIPS_ARCH_32R2 0x70000000 /* -mips32r2 code */
+#define EF_MIPS_ARCH_64R2 0x80000000 /* -mips64r2 code */
+
+#define EF_MIPS_ABI 0x0000f000
+#define EF_MIPS_ABI_O32 0x00001000
+#define EF_MIPS_ABI_O64 0x00002000
+#define EF_MIPS_ABI_EABI32 0x00003000
+#define EF_MIPS_ABI_EABI64 0x00004000
+
+#endif /* __MIPS_ELF_H */
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