c221beccc1
Also group all the RELR/arm64/riscv64 bits together rather than mixing them up slightly as we'd done so far. Change-Id: Iff1ea2cfca9ff702b88aa2e7d09db46e2f34f965
301 lines
8.7 KiB
C
301 lines
8.7 KiB
C
/*
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* Copyright (C) 2008 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#pragma once
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#include <sys/cdefs.h>
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#include <linux/elf.h>
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#include <linux/elf-em.h>
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#undef EI_PAD
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#include <bits/auxvec.h>
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#include <bits/elf_common.h>
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/* http://www.sco.com/developers/gabi/latest/ch4.intro.html */
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typedef __u64 Elf32_Xword;
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typedef __s64 Elf32_Sxword;
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typedef struct {
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__u32 a_type;
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union {
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__u32 a_val;
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} a_un;
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} Elf32_auxv_t;
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typedef struct {
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__u64 a_type;
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union {
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__u64 a_val;
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} a_un;
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} Elf64_auxv_t;
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/* http://www.sco.com/developers/gabi/latest/ch4.sheader.html */
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typedef struct {
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Elf32_Word ch_type;
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Elf32_Word ch_size;
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Elf32_Word ch_addralign;
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} Elf32_Chdr;
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typedef struct {
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Elf64_Word ch_type;
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Elf64_Word ch_reserved;
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Elf64_Xword ch_size;
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Elf64_Xword ch_addralign;
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} Elf64_Chdr;
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typedef struct {
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Elf32_Word l_name;
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Elf32_Word l_time_stamp;
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Elf32_Word l_checksum;
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Elf32_Word l_version;
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Elf32_Word l_flags;
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} Elf32_Lib;
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typedef struct {
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Elf64_Word l_name;
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Elf64_Word l_time_stamp;
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Elf64_Word l_checksum;
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Elf64_Word l_version;
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Elf64_Word l_flags;
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} Elf64_Lib;
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typedef struct {
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Elf32_Xword m_value;
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Elf32_Word m_info;
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Elf32_Word m_poffset;
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Elf32_Half m_repeat;
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Elf32_Half m_stride;
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} Elf32_Move;
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typedef struct {
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Elf64_Xword m_value;
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Elf64_Xword m_info;
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Elf64_Xword m_poffset;
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Elf64_Half m_repeat;
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Elf64_Half m_stride;
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} Elf64_Move;
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typedef __u16 Elf32_Section;
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typedef __u16 Elf64_Section;
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typedef struct {
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Elf32_Half si_boundto;
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Elf32_Half si_flags;
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} Elf32_Syminfo;
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typedef struct {
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Elf64_Half si_boundto;
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Elf64_Half si_flags;
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} Elf64_Syminfo;
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typedef Elf32_Half Elf32_Versym;
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typedef Elf64_Half Elf64_Versym;
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typedef struct {
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Elf32_Half vd_version;
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Elf32_Half vd_flags;
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Elf32_Half vd_ndx;
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Elf32_Half vd_cnt;
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Elf32_Word vd_hash;
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Elf32_Word vd_aux;
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Elf32_Word vd_next;
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} Elf32_Verdef;
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typedef struct {
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Elf32_Word vda_name;
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Elf32_Word vda_next;
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} Elf32_Verdaux;
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typedef struct {
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Elf64_Half vd_version;
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Elf64_Half vd_flags;
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Elf64_Half vd_ndx;
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Elf64_Half vd_cnt;
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Elf64_Word vd_hash;
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Elf64_Word vd_aux;
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Elf64_Word vd_next;
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} Elf64_Verdef;
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typedef struct {
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Elf64_Word vda_name;
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Elf64_Word vda_next;
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} Elf64_Verdaux;
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typedef struct {
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Elf32_Half vn_version;
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Elf32_Half vn_cnt;
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Elf32_Word vn_file;
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Elf32_Word vn_aux;
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Elf32_Word vn_next;
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} Elf32_Verneed;
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typedef struct {
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Elf32_Word vna_hash;
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Elf32_Half vna_flags;
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Elf32_Half vna_other;
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Elf32_Word vna_name;
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Elf32_Word vna_next;
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} Elf32_Vernaux;
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typedef struct {
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Elf64_Half vn_version;
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Elf64_Half vn_cnt;
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Elf64_Word vn_file;
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Elf64_Word vn_aux;
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Elf64_Word vn_next;
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} Elf64_Verneed;
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typedef struct {
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Elf64_Word vna_hash;
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Elf64_Half vna_flags;
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Elf64_Half vna_other;
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Elf64_Word vna_name;
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Elf64_Word vna_next;
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} Elf64_Vernaux;
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/* Relocation table entry for relative (in section of type SHT_RELR). */
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typedef Elf32_Word Elf32_Relr;
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typedef Elf64_Xword Elf64_Relr;
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/* http://www.sco.com/developers/gabi/latest/ch5.dynamic.html */
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#define DF_1_NOW 0x00000001 /* Perform complete relocation processing. */
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#define DF_1_GROUP 0x00000004
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#define DF_1_INITFIRST 0x00000020
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#define DF_1_DIRECT 0x00000100
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#define DF_1_TRANS 0x00000200
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#define DF_1_NODUMP 0x00001000 /* Object cannot be dumped with dldump(3) */
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#define DF_1_CONFALT 0x00002000
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#define DF_1_ENDFILTEE 0x00004000
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#define DF_1_DISPRELDNE 0x00008000
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#define DF_1_DISPRELPND 0x00010000
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#define DF_1_NODIRECT 0x00020000
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#define DF_1_IGNMULDEF 0x00040000 /* Internal use */
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#define DF_1_NOKSYMS 0x00080000 /* Internal use */
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#define DF_1_NOHDR 0x00100000 /* Internal use */
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#define DF_1_EDITED 0x00200000
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#define DF_1_NORELOC 0x00400000 /* Internal use */
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#define DF_1_SYMINTPOSE 0x00800000
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#define DF_1_GLOBAUDIT 0x01000000
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#define DF_1_SINGLETON 0x02000000
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#define DF_1_STUB 0x04000000
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/* http://www.sco.com/developers/gabi/latest/ch4.reloc.html */
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#define ELF32_R_INFO(sym, type) ((((Elf32_Word)sym) << 8) | ((type) & 0xff))
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#define ELF64_R_INFO(sym, type) ((((Elf64_Xword)sym) << 32) | ((type) & 0xffffffff))
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/* http://www.sco.com/developers/gabi/latest/ch4.symtab.html */
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#define ELF_ST_INFO(b,t) (((b) << 4) + ((t) & 0xf))
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#define ELF32_ST_INFO(b,t) ELF_ST_INFO(b,t)
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#define ELF64_ST_INFO(b,t) ELF_ST_INFO(b,t)
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/* http://www.sco.com/developers/gabi/latest/ch4.sheader.html */
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#define GRP_MASKOS 0x0ff00000
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#define GRP_MASKPROC 0xf0000000
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/* http://www.sco.com/developers/gabi/latest/ch4.sheader.html */
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/*
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* Standard replacement for SHT_ANDROID_RELR.
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*/
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#define SHT_RELR 19
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#undef SHT_NUM
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#define SHT_NUM 20
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/*
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* Experimental support for SHT_RELR sections. For details, see proposal
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* at https://groups.google.com/forum/#!topic/generic-abi/bX460iggiKg.
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*
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* This was eventually replaced by SHT_RELR and DT_RELR (which are identical
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* other than their different constants), but those constants are only
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* supported by the OS in API levels >= 30.
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*/
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#define SHT_ANDROID_RELR 0x6fffff00
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#define DT_ANDROID_RELR 0x6fffe000
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#define DT_ANDROID_RELRSZ 0x6fffe001
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#define DT_ANDROID_RELRENT 0x6fffe003
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#define DT_ANDROID_RELRCOUNT 0x6fffe005
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/*
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* Android compressed REL/RELA sections. These were generated by the relocation
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* packer in old versions of Android, and can be generated directly by lld
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* with https://reviews.llvm.org/D39152.
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*
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* This was replaced by SHT_ANDROID_RELR in API level 28 (but is supported
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* in all API levels >= 23).
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*/
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#define SHT_ANDROID_REL 0x60000001
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#define SHT_ANDROID_RELA 0x60000002
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#define DT_ANDROID_REL 0x6000000f // DT_LOOS + 2
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#define DT_ANDROID_RELSZ 0x60000010 // DT_LOOS + 3
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#define DT_ANDROID_RELA 0x60000011 // DT_LOOS + 4
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#define DT_ANDROID_RELASZ 0x60000012 // DT_LOOS + 5
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/* arm64 psabi. */
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/* TODO: upstreamed to FreeBSD as https://github.com/freebsd/freebsd-src/pull/1141/. */
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#define DT_AARCH64_MEMTAG_MODE 0x70000009
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#define DT_AARCH64_MEMTAG_HEAP 0x7000000b
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#define DT_AARCH64_MEMTAG_STACK 0x7000000c
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#define DT_AARCH64_MEMTAG_GLOBALS 0x7000000d
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#define DT_AARCH64_MEMTAG_GLOBALSSZ 0x7000000f
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/* Linux traditionally doesn't have the trailing 64 that BSD has on these. */
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#define R_AARCH64_TLS_DTPREL R_AARCH64_TLS_DTPREL64
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#define R_AARCH64_TLS_DTPMOD R_AARCH64_TLS_DTPMOD64
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#define R_AARCH64_TLS_TPREL R_AARCH64_TLS_TPREL64
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/* TODO: upstream these to FreeBSD? */
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#define R_ARM_TLS_DESC 13
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#define R_ARM_IRELATIVE 160
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/* riscv64 psabi. */
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/* FreeBSD is missing these, found in
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* https://github.com/riscv-non-isa/riscv-elf-psabi-doc/blob/master/riscv-elf.adoc#relocations
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* so I've sent https://github.com/freebsd/freebsd-src/pull/1141 upstream.
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*/
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#define R_RISCV_TLSDESC 12
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#define R_RISCV_PLT32 59
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#define R_RISCV_SET_ULEB128 60
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#define R_RISCV_SUB_ULEB128 61
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#define R_RISCV_TLSDESC_HI20 62
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#define R_RISCV_TLSDESC_LOAD_LO12 63
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#define R_RISCV_TLSDESC_ADD_LO12 64
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#define R_RISCV_TLSDESC_CALL 65
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/* https://github.com/riscv-non-isa/riscv-elf-psabi-doc/blob/master/riscv-elf.adoc#program-header-table */
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#define PT_RISCV_ATTRIBUTES 0x70000003
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/* https://github.com/riscv-non-isa/riscv-elf-psabi-doc/blob/master/riscv-elf.adoc#section-types */
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#define SHT_RISCV_ATTRIBUTES 0x70000003
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/* FreeBSD spells this slightly differently to Linux. Linux is correct according to
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* https://github.com/riscv-non-isa/riscv-elf-psabi-doc/blob/master/riscv-elf.adoc#file-header
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* so I've sent https://github.com/freebsd/freebsd-src/pull/1148 upstream.
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*/
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#define EF_RISCV_FLOAT_ABI EF_RISCV_FLOAT_ABI_MASK
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/* FreeBSD spells this slightly differently to Linux. */
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#define R_X86_64_JUMP_SLOT R_X86_64_JMP_SLOT
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