/*      $NetBSD: elf_machdep.h,v 1.15 2025/12/05 16:29:13 jkoshy Exp $  */

#if !defined(_SYS_ELFDEFINITIONS_H_)
/*
 * Here are some SPARC specific flags I can't 
 * find a better home for.  They are used for AT_FLAGS
 * and in the exec header.
 */
#define EF_SPARCV9_MM           0x3
#define EF_SPARCV9_TSO          0x0
#define EF_SPARCV9_PSO          0x1
#define EF_SPARCV9_RMO          0x2

#define EF_SPARC_32PLUS_MASK    0xffff00        /* bits indicating V8+ type */
#define EF_SPARC_32PLUS         0x000100        /* generic V8+ features */
#define EF_SPARC_EXT_MASK       0xffff00        /* bits for vendor extensions */
#define EF_SPARC_SUN_US1        0x000200        /* UltraSPARC 1 extensions */   
#define EF_SPARC_HAL_R1         0x000400        /* HAL R1 extensions */
#define EF_SPARC_SUN_US3        0x000800        /* UltraSPARC 3 extensions */

/* Relocation types */
#define R_SPARC_NONE            0
#define R_SPARC_8               1
#define R_SPARC_16              2
#define R_SPARC_32              3
#define R_SPARC_DISP8           4
#define R_SPARC_DISP16          5
#define R_SPARC_DISP32          6
#define R_SPARC_WDISP30         7
#define R_SPARC_WDISP22         8
#define R_SPARC_HI22            9
#define R_SPARC_22              10
#define R_SPARC_13              11
#define R_SPARC_LO10            12
#define R_SPARC_GOT10           13
#define R_SPARC_GOT13           14
#define R_SPARC_GOT22           15
#define R_SPARC_PC10            16
#define R_SPARC_PC22            17
#define R_SPARC_WPLT30          18
#define R_SPARC_COPY            19
#define R_SPARC_GLOB_DAT        20
#define R_SPARC_JMP_SLOT        21
#define R_SPARC_RELATIVE        22
#define R_SPARC_UA32            23
#define R_SPARC_PLT32           24
#define R_SPARC_HIPLT22         25
#define R_SPARC_LOPLT10         26
#define R_SPARC_PCPLT32         27
#define R_SPARC_PCPLT22         28
#define R_SPARC_PCPLT10         29
#define R_SPARC_10              30
#define R_SPARC_11              31
#define R_SPARC_64              32
#define R_SPARC_OLO10           33
#define R_SPARC_HH22            34
#define R_SPARC_HM10            35
#define R_SPARC_LM22            36
#define R_SPARC_PC_HH22         37
#define R_SPARC_PC_HM10         38
#define R_SPARC_PC_LM22         39
#define R_SPARC_WDISP16         40
#define R_SPARC_WDISP19         41
#define R_SPARC_GLOB_JMP        42
#define R_SPARC_7               43
#define R_SPARC_5               44
#define R_SPARC_6               45
#define R_SPARC_DISP64          46
#define R_SPARC_PLT64           47
#define R_SPARC_HIX22           48
#define R_SPARC_LOX10           49
#define R_SPARC_H44             50
#define R_SPARC_M44             51
#define R_SPARC_L44             52
#define R_SPARC_REGISTER        53
#define R_SPARC_UA64            54
#define R_SPARC_UA16            55

/* TLS relocations */
#define R_SPARC_TLS_GD_HI22     56
#define R_SPARC_TLS_GD_LO10     57
#define R_SPARC_TLS_GD_ADD      58
#define R_SPARC_TLS_GD_CALL     59
#define R_SPARC_TLS_LDM_HI22    60
#define R_SPARC_TLS_LDM_LO10    61
#define R_SPARC_TLS_LDM_ADD     62
#define R_SPARC_TLS_LDM_CALL    63
#define R_SPARC_TLS_LDO_HIX22   64
#define R_SPARC_TLS_LDO_LOX10   65
#define R_SPARC_TLS_LDO_ADD     66
#define R_SPARC_TLS_IE_HI22     67
#define R_SPARC_TLS_IE_LO10     68
#define R_SPARC_TLS_IE_LD       69
#define R_SPARC_TLS_IE_LDX      70
#define R_SPARC_TLS_IE_ADD      71
#define R_SPARC_TLS_LE_HIX22    72
#define R_SPARC_TLS_LE_LOX10    73
#define R_SPARC_TLS_DTPMOD32    74
#define R_SPARC_TLS_DTPMOD64    75
#define R_SPARC_TLS_DTPOFF32    76
#define R_SPARC_TLS_DTPOFF64    77
#define R_SPARC_TLS_TPOFF32     78
#define R_SPARC_TLS_TPOFF64     79

#define R_SPARC_JMP_IREL        248
#define R_SPARC_IRELATIVE       249

#endif /* !defined(_SYS_ELFDEFINITIONS_H_) */

/*
 * Local symbols.
 */

#define ELF32_MACHDEP_ENDIANNESS        ELFDATA2MSB
#define ELF32_MACHDEP_ID_CASES                                          \
                case EM_SPARC:                                          \
                case EM_SPARC32PLUS:                                    \
                        break;

#define ELF64_MACHDEP_ENDIANNESS        ELFDATA2MSB
#define ELF64_MACHDEP_ID_CASES                                          \
                case EM_SPARCV9:                                        \
                        break;

#define ELF32_MACHDEP_ID        EM_SPARC
#define ELF64_MACHDEP_ID        EM_SPARCV9

#ifdef __arch64__
#define KERN_ELFSIZE            64
#define ARCH_ELFSIZE            64      /* MD native binary size */
#else
#define KERN_ELFSIZE            32
#define ARCH_ELFSIZE            32      /* MD native binary size */
#endif

#ifdef __arch64__
/*
 * we need to check .note.netbsd.mcmodel in native binaries before enabling
 * top-down VM.
 */
struct exec_package;
void sparc64_elf_mcmodel_check(struct exec_package*, const char *, size_t);
#define ELF_MD_MCMODEL_CHECK(ep, str, len)      \
        sparc64_elf_mcmodel_check(ep,str,len)
#endif

/* The following are what is used for AT_SUN_HWCAP: */
#define AV_SPARC_HWMUL_32x32    1       /* 32x32-bit smul/umul is efficient */
#define AV_SPARC_HWDIV_32x32    2       /* 32x32-bit sdiv/udiv is efficient */
#define AV_SPARC_HWFSMULD       4       /* fsmuld is efficient */

#define R_TYPE(name)            __CONCAT(R_SPARC_,name)