libc/arch-mips/include/machine/elf_machdep.h - platform/bionic - Git at Google

 /*	$NetBSD: elf_machdep.h,v 1.15 2011/03/15 07:39:22 matt Exp $	*/

 #ifndef _MIPS_ELF_MACHDEP_H_
 #define  _MIPS_ELF_MACHDEP_H_

 #ifdef _LP64
 #define ARCH_ELFSIZE		64	/* MD native binary size */
 #else
 #define ARCH_ELFSIZE		32	/* MD native binary size */
 #endif

 #if ELFSIZE == 32
 #define	ELF32_MACHDEP_ID_CASES						\
 		case EM_MIPS:						\
 			break;

 #define	ELF32_MACHDEP_ID	EM_MIPS
 #elif ELFSIZE == 64
 #define	ELF64_MACHDEP_ID_CASES						\
 		case EM_MIPS:						\
 			break;

 #define	ELF64_MACHDEP_ID	EM_MIPS
 #endif

 /* 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


 /* 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 */

 /*
  * 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

 #if defined(__MIPSEB__)
 #define	ELF32_MACHDEP_ENDIANNESS	ELFDATA2MSB
 #define	ELF64_MACHDEP_ENDIANNESS	ELFDATA2MSB
 #elif defined(__MIPSEL__)
 #define	ELF32_MACHDEP_ENDIANNESS	ELFDATA2LSB
 #define	ELF64_MACHDEP_ENDIANNESS	ELFDATA2LSB
 #elif !defined(HAVE_NBTOOL_CONFIG_H)
 #error neither __MIPSEL__ nor __MIPSEB__ are defined.
 #endif

 #ifdef _KERNEL
 #ifdef _KERNEL_OPT
 #include "opt_compat_netbsd.h"
 #endif
 #ifdef COMPAT_16
 /*
  * Up to 1.6, the ELF dynamic loader (ld.elf_so) was not relocatable.
  * Tell the kernel ELF exec code not to try relocating the interpreter
  * for dynamically-linked ELF binaries.
  */
 #define ELF_INTERP_NON_RELOCATABLE
 #endif /* COMPAT_16 */

 /*
  * We need to be able to include the ELF header so we can pick out the
  * ABI being used.
  */
 #ifdef ELFSIZE
 #define	ELF_MD_PROBE_FUNC	ELFNAME2(mips_netbsd,probe)
 #define	ELF_MD_COREDUMP_SETUP	ELFNAME2(coredump,setup)
 #endif

 struct exec_package;

 int mips_netbsd_elf32_probe(struct lwp *, struct exec_package *, void *, char *,
 	vaddr_t *);
 void coredump_elf32_setup(struct lwp *, void *);

 int mips_netbsd_elf64_probe(struct lwp *, struct exec_package *, void *, char *,
 	vaddr_t *);
 void coredump_elf64_setup(struct lwp *, void *);
 #endif /* _KERNEL */

 #endif /* _MIPS_ELF_MACHDEP_H_ */
	/* $NetBSD: elf_machdep.h,v 1.15 2011/03/15 07:39:22 matt Exp $ */

	#ifndef _MIPS_ELF_MACHDEP_H_
	#define _MIPS_ELF_MACHDEP_H_

	#ifdef _LP64
	#define ARCH_ELFSIZE 64 /* MD native binary size */
	#else
	#define ARCH_ELFSIZE 32 /* MD native binary size */
	#endif

	#if ELFSIZE == 32
	#define ELF32_MACHDEP_ID_CASES \
	case EM_MIPS: \
	break;

	#define ELF32_MACHDEP_ID EM_MIPS
	#elif ELFSIZE == 64
	#define ELF64_MACHDEP_ID_CASES \
	case EM_MIPS: \
	break;

	#define ELF64_MACHDEP_ID EM_MIPS
	#endif

	/* 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


	/* 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 */

	/*
	* 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

	#if defined(__MIPSEB__)
	#define ELF32_MACHDEP_ENDIANNESS ELFDATA2MSB
	#define ELF64_MACHDEP_ENDIANNESS ELFDATA2MSB
	#elif defined(__MIPSEL__)
	#define ELF32_MACHDEP_ENDIANNESS ELFDATA2LSB
	#define ELF64_MACHDEP_ENDIANNESS ELFDATA2LSB
	#elif !defined(HAVE_NBTOOL_CONFIG_H)
	#error neither __MIPSEL__ nor __MIPSEB__ are defined.
	#endif

	#ifdef _KERNEL
	#ifdef _KERNEL_OPT
	#include "opt_compat_netbsd.h"
	#endif
	#ifdef COMPAT_16
	/*
	* Up to 1.6, the ELF dynamic loader (ld.elf_so) was not relocatable.
	* Tell the kernel ELF exec code not to try relocating the interpreter
	* for dynamically-linked ELF binaries.
	*/
	#define ELF_INTERP_NON_RELOCATABLE
	#endif /* COMPAT_16 */

	/*
	* We need to be able to include the ELF header so we can pick out the
	* ABI being used.
	*/
	#ifdef ELFSIZE
	#define ELF_MD_PROBE_FUNC ELFNAME2(mips_netbsd,probe)
	#define ELF_MD_COREDUMP_SETUP ELFNAME2(coredump,setup)
	#endif

	struct exec_package;

	int mips_netbsd_elf32_probe(struct lwp , struct exec_package , void , char ,
	vaddr_t *);
	void coredump_elf32_setup(struct lwp , void );

	int mips_netbsd_elf64_probe(struct lwp , struct exec_package , void , char ,
	vaddr_t *);
	void coredump_elf64_setup(struct lwp , void );
	#endif /* _KERNEL */

	#endif /* _MIPS_ELF_MACHDEP_H_ */