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      1 /*	$NetBSD: elf_machdep.h,v 1.15 2025/12/05 16:29:13 jkoshy Exp $	*/
      2 
      3 #if !defined(_SYS_ELFDEFINITIONS_H_)
      4 /*
      5  * Here are some SPARC specific flags I can't
      6  * find a better home for.  They are used for AT_FLAGS
      7  * and in the exec header.
      8  */
      9 #define	EF_SPARCV9_MM		0x3
     10 #define	EF_SPARCV9_TSO		0x0
     11 #define	EF_SPARCV9_PSO		0x1
     12 #define	EF_SPARCV9_RMO		0x2
     13 
     14 #define EF_SPARC_32PLUS_MASK    0xffff00        /* bits indicating V8+ type */
     15 #define EF_SPARC_32PLUS         0x000100        /* generic V8+ features */
     16 #define EF_SPARC_EXT_MASK       0xffff00        /* bits for vendor extensions */
     17 #define	EF_SPARC_SUN_US1	0x000200	/* UltraSPARC 1 extensions */
     18 #define	EF_SPARC_HAL_R1		0x000400	/* HAL R1 extensions */
     19 #define	EF_SPARC_SUN_US3	0x000800	/* UltraSPARC 3 extensions */
     20 
     21 /* Relocation types */
     22 #define R_SPARC_NONE		0
     23 #define R_SPARC_8		1
     24 #define R_SPARC_16		2
     25 #define R_SPARC_32		3
     26 #define R_SPARC_DISP8		4
     27 #define R_SPARC_DISP16		5
     28 #define R_SPARC_DISP32		6
     29 #define R_SPARC_WDISP30		7
     30 #define R_SPARC_WDISP22		8
     31 #define R_SPARC_HI22		9
     32 #define R_SPARC_22		10
     33 #define R_SPARC_13		11
     34 #define R_SPARC_LO10		12
     35 #define R_SPARC_GOT10		13
     36 #define R_SPARC_GOT13		14
     37 #define R_SPARC_GOT22		15
     38 #define R_SPARC_PC10		16
     39 #define R_SPARC_PC22		17
     40 #define R_SPARC_WPLT30		18
     41 #define R_SPARC_COPY		19
     42 #define R_SPARC_GLOB_DAT	20
     43 #define R_SPARC_JMP_SLOT	21
     44 #define R_SPARC_RELATIVE	22
     45 #define R_SPARC_UA32		23
     46 #define R_SPARC_PLT32		24
     47 #define R_SPARC_HIPLT22		25
     48 #define R_SPARC_LOPLT10		26
     49 #define R_SPARC_PCPLT32		27
     50 #define R_SPARC_PCPLT22		28
     51 #define R_SPARC_PCPLT10		29
     52 #define R_SPARC_10		30
     53 #define R_SPARC_11		31
     54 #define R_SPARC_64		32
     55 #define R_SPARC_OLO10		33
     56 #define R_SPARC_HH22		34
     57 #define R_SPARC_HM10		35
     58 #define R_SPARC_LM22		36
     59 #define R_SPARC_PC_HH22		37
     60 #define R_SPARC_PC_HM10		38
     61 #define R_SPARC_PC_LM22		39
     62 #define R_SPARC_WDISP16		40
     63 #define R_SPARC_WDISP19		41
     64 #define R_SPARC_GLOB_JMP	42
     65 #define R_SPARC_7		43
     66 #define R_SPARC_5		44
     67 #define R_SPARC_6		45
     68 #define	R_SPARC_DISP64		46
     69 #define	R_SPARC_PLT64		47
     70 #define	R_SPARC_HIX22		48
     71 #define	R_SPARC_LOX10		49
     72 #define	R_SPARC_H44		50
     73 #define	R_SPARC_M44		51
     74 #define	R_SPARC_L44		52
     75 #define	R_SPARC_REGISTER	53
     76 #define	R_SPARC_UA64		54
     77 #define	R_SPARC_UA16		55
     78 
     79 /* TLS relocations */
     80 #define R_SPARC_TLS_GD_HI22	56
     81 #define R_SPARC_TLS_GD_LO10	57
     82 #define R_SPARC_TLS_GD_ADD	58
     83 #define R_SPARC_TLS_GD_CALL	59
     84 #define R_SPARC_TLS_LDM_HI22	60
     85 #define R_SPARC_TLS_LDM_LO10	61
     86 #define R_SPARC_TLS_LDM_ADD	62
     87 #define R_SPARC_TLS_LDM_CALL	63
     88 #define R_SPARC_TLS_LDO_HIX22	64
     89 #define R_SPARC_TLS_LDO_LOX10	65
     90 #define R_SPARC_TLS_LDO_ADD	66
     91 #define R_SPARC_TLS_IE_HI22	67
     92 #define R_SPARC_TLS_IE_LO10	68
     93 #define R_SPARC_TLS_IE_LD	69
     94 #define R_SPARC_TLS_IE_LDX	70
     95 #define R_SPARC_TLS_IE_ADD	71
     96 #define R_SPARC_TLS_LE_HIX22	72
     97 #define R_SPARC_TLS_LE_LOX10	73
     98 #define R_SPARC_TLS_DTPMOD32	74
     99 #define R_SPARC_TLS_DTPMOD64	75
    100 #define R_SPARC_TLS_DTPOFF32	76
    101 #define R_SPARC_TLS_DTPOFF64	77
    102 #define R_SPARC_TLS_TPOFF32	78
    103 #define R_SPARC_TLS_TPOFF64	79
    104 
    105 #define R_SPARC_JMP_IREL	248
    106 #define R_SPARC_IRELATIVE	249
    107 
    108 #endif /* !defined(_SYS_ELFDEFINITIONS_H_) */
    109 
    110 /*
    111  * Local symbols.
    112  */
    113 
    114 #define ELF32_MACHDEP_ENDIANNESS	ELFDATA2MSB
    115 #define	ELF32_MACHDEP_ID_CASES						\
    116 		case EM_SPARC:						\
    117 		case EM_SPARC32PLUS:					\
    118 			break;
    119 
    120 #define	ELF64_MACHDEP_ENDIANNESS	ELFDATA2MSB
    121 #define	ELF64_MACHDEP_ID_CASES						\
    122 		case EM_SPARCV9:					\
    123 			break;
    124 
    125 #define	ELF32_MACHDEP_ID	EM_SPARC
    126 #define	ELF64_MACHDEP_ID	EM_SPARCV9
    127 
    128 #ifdef __arch64__
    129 #define	KERN_ELFSIZE		64
    130 #define ARCH_ELFSIZE		64	/* MD native binary size */
    131 #else
    132 #define	KERN_ELFSIZE		32
    133 #define ARCH_ELFSIZE		32	/* MD native binary size */
    134 #endif
    135 
    136 #ifdef __arch64__
    137 /*
    138  * we need to check .note.netbsd.mcmodel in native binaries before enabling
    139  * top-down VM.
    140  */
    141 struct exec_package;
    142 void sparc64_elf_mcmodel_check(struct exec_package*, const char *, size_t);
    143 #define	ELF_MD_MCMODEL_CHECK(ep, str, len)	\
    144 	sparc64_elf_mcmodel_check(ep,str,len)
    145 #endif
    146 
    147 /* The following are what is used for AT_SUN_HWCAP: */
    148 #define AV_SPARC_HWMUL_32x32	1	/* 32x32-bit smul/umul is efficient */
    149 #define	AV_SPARC_HWDIV_32x32	2	/* 32x32-bit sdiv/udiv is efficient */
    150 #define	AV_SPARC_HWFSMULD	4	/* fsmuld is efficient */
    151 
    152 #define R_TYPE(name)		__CONCAT(R_SPARC_,name)
    153