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elf_machdep.h revision 1.10.96.1 
      1 /*	$NetBSD: elf_machdep.h,v 1.10.96.1 2009/08/16 03:33:57 matt Exp $	*/
      2 
      3 #define	ELF32_MACHDEP_ID_CASES						\
      4 		case EM_MIPS:						\
      5 			break;
      6 
      7 #define	ELF64_MACHDEP_ID_CASES						\
      8 		/* no 64-bit ELF machine types supported */
      9 
     10 
     11 #define	ELF32_MACHDEP_ID	EM_MIPS
     12 #define	ELF64_MACHDEP_ID	EM_MIPS
     13 
     14 #define ARCH_ELFSIZE		32	/* MD native binary size */
     15 
     16 /* mips relocs.  */
     17 
     18 #define R_MIPS_NONE		0
     19 #define R_MIPS_16		1
     20 #define R_MIPS_32		2
     21 #define R_MIPS_REL32		3
     22 #define R_MIPS_REL		R_MIPS_REL32
     23 #define R_MIPS_26		4
     24 #define R_MIPS_HI16		5	/* high 16 bits of symbol value */
     25 #define R_MIPS_LO16		6	/* low 16 bits of symbol value */
     26 #define R_MIPS_GPREL16		7  	/* GP-relative reference  */
     27 #define R_MIPS_LITERAL		8 	/* Reference to literal section  */
     28 #define R_MIPS_GOT16		9	/* Reference to global offset table */
     29 #define R_MIPS_GOT		R_MIPS_GOT16
     30 #define R_MIPS_PC16		10  	/* 16 bit PC relative reference */
     31 #define R_MIPS_CALL16 		11  	/* 16 bit call thru glbl offset tbl */
     32 #define R_MIPS_CALL		R_MIPS_CALL16
     33 #define R_MIPS_GPREL32		12
     34 
     35 /* 13, 14, 15 are not defined at this point. */
     36 #define R_MIPS_UNUSED1		13
     37 #define R_MIPS_UNUSED2		14
     38 #define R_MIPS_UNUSED3		15
     39 
     40 /*
     41  * The remaining relocs are apparently part of the 64-bit Irix ELF ABI.
     42  */
     43 #define R_MIPS_SHIFT5		16
     44 #define R_MIPS_SHIFT6		17
     45 
     46 #define R_MIPS_64		18
     47 #define R_MIPS_GOT_DISP		19
     48 #define R_MIPS_GOT_PAGE		20
     49 #define R_MIPS_GOT_OFST		21
     50 #define R_MIPS_GOT_HI16		22
     51 #define R_MIPS_GOT_LO16		23
     52 #define R_MIPS_SUB 		24
     53 #define R_MIPS_INSERT_A		25
     54 #define R_MIPS_INSERT_B		26
     55 #define R_MIPS_DELETE		27
     56 #define R_MIPS_HIGHER		28
     57 #define R_MIPS_HIGHEST		29
     58 #define R_MIPS_CALL_HI16	30
     59 #define R_MIPS_CALL_LO16	31
     60 #define R_MIPS_SCN_DISP		32
     61 #define R_MIPS_REL16		33
     62 #define R_MIPS_ADD_IMMEDIATE	34
     63 #define R_MIPS_PJUMP		35
     64 #define R_MIPS_RELGOT		36
     65 #define	R_MIPS_JALR		37
     66 /* TLS relocations */
     67 #define	R_MIPS_TLS_DTPMOD32	38
     68 #define	R_MIPS_TLS_DTPREL32	39
     69 #define	R_MIPS_TLS_DTPMOD64	40
     70 #define	R_MIPS_TLS_DTPREL64	41
     71 #define	R_MIPS_TLS_GD		42
     72 #define	R_MIPS_TLS_LDM		43
     73 #define	R_MIPS_TLS_DTPREL_HI16	44
     74 #define	R_MIPS_TLS_DTPREL_LO16	45
     75 #define	R_MIPS_TLS_GOTTPREL	46
     76 #define	R_MIPS_TLS_TPREL32	47
     77 #define	R_MIPS_TLS_TPREL64	48
     78 #define	R_MIPS_TLS_TPREL_HI16	49
     79 #define	R_MIPS_TLS_TPREL_LO16	50
     80 
     81 #define R_MIPS_max		51
     82 #define R_TYPE(name)		__CONCAT(R_MIPS_,name)
     83 
     84 #define	R_MIPS16_min		100
     85 #define	R_MIPS16_26		100
     86 #define	R_MIPS16_GPREL		101
     87 #define	R_MIPS16_GOT16		102
     88 #define	R_MIPS16_CALL16		103
     89 #define	R_MIPS16_HI16		104
     90 #define	R_MIPS16_LO16		105
     91 #define	R_MIPS16_max		106
     92 
     93 
     94 /* mips dynamic tags */
     95 
     96 #define DT_MIPS_RLD_VERSION	0x70000001
     97 #define DT_MIPS_TIME_STAMP	0x70000002
     98 #define DT_MIPS_ICHECKSUM	0x70000003
     99 #define DT_MIPS_IVERSION	0x70000004
    100 #define DT_MIPS_FLAGS		0x70000005
    101 #define DT_MIPS_BASE_ADDRESS	0x70000006
    102 #define DT_MIPS_CONFLICT	0x70000008
    103 #define DT_MIPS_LIBLIST		0x70000009
    104 #define DT_MIPS_CONFLICTNO	0x7000000b
    105 #define	DT_MIPS_LOCAL_GOTNO	0x7000000a	/* number of local got ents */
    106 #define DT_MIPS_LIBLISTNO	0x70000010
    107 #define	DT_MIPS_SYMTABNO	0x70000011	/* number of .dynsym entries */
    108 #define DT_MIPS_UNREFEXTNO	0x70000012
    109 #define	DT_MIPS_GOTSYM		0x70000013	/* first dynamic sym in got */
    110 #define DT_MIPS_HIPAGENO	0x70000014
    111 #define	DT_MIPS_RLD_MAP		0x70000016	/* address of loader map */
    112 
    113 /*
    114  * ELF Flags
    115  */
    116 #define	EF_MIPS_PIC		0x00000002	/* Contains PIC code */
    117 #define	EF_MIPS_CPIC		0x00000004	/* STD PIC calling sequence */
    118 #define	EF_MIPS_ABI2		0x00000020	/* N32 */
    119 
    120 #define	EF_MIPS_ARCH_ASE	0x0f000000	/* Architectural extensions */
    121 #define	EF_MIPS_ARCH_MDMX	0x08000000	/* MDMX multimedia extension */
    122 #define	EF_MIPS_ARCH_M16	0x04000000	/* MIPS-16 ISA extensions */
    123 
    124 #define	EF_MIPS_ARCH		0x0f000000	/* Architecture field */
    125 #define	EF_MIPS_ARCH_1		0x00000000	/* -mips1 code */
    126 #define	EF_MIPS_ARCH_2		0x01000000	/* -mips2 code */
    127 #define	EF_MIPS_ARCH_3		0x02000000	/* -mips3 code */
    128 #define	EF_MIPS_ARCH_4		0x03000000	/* -mips4 code */
    129 #define	EF_MIPS_ARCH_5		0x04000000	/* -mips5 code */
    130 #define	EF_MIPS_ARCH_32		0x05000000	/* -mips32 code */
    131 #define	EF_MIPS_ARCH_64		0x06000000	/* -mips64 code */
    132 #define	EF_MIPS_ARCH_32R2	0x07000000	/* -mips32r2 code */
    133 #define	EF_MIPS_ARCH_64R4	0x08000000	/* -mips64r2 code */
    134 
    135 #define	EF_MIPS_ABI		0x0000f000
    136 #define	EF_MIPS_ABI_O32		0x00001000
    137 #define	EF_MIPS_ABI_O64		0x00002000
    138 #define	EF_MIPS_ABI_EABI32	0x00003000
    139 #define	EF_MIPS_ABI_EABI64	0x00004000
    140 
    141 #ifdef _KERNEL
    142 #ifdef _KERNEL_OPT
    143 #include "opt_compat_netbsd.h"
    144 #endif
    145 #ifdef COMPAT_16
    146 /*
    147  * Up to 1.6, the ELF dynamic loader (ld.elf_so) was not relocatable.
    148  * Tell the kernel ELF exec code not to try relocating the interpreter
    149  * for dynamically-linked ELF binaries.
    150  */
    151 #define ELF_INTERP_NON_RELOCATABLE
    152 #endif /* COMPAT_16 */
    153 #endif /* _KERNEL */
    154