view release on metacpan or  search on metacpan

src/elf.h  view on Meta::CPAN

#define SHF_MIPS_NODUPE  0x01000000


/* Symbol tables.  */

/* MIPS specific values for `st_other'.  */
#define STO_MIPS_DEFAULT                0x0
#define STO_MIPS_INTERNAL               0x1
#define STO_MIPS_HIDDEN                 0x2
#define STO_MIPS_PROTECTED              0x3
#define STO_MIPS_SC_ALIGN_UNUSED        0xff

/* MIPS specific values for `st_info'.  */
#define STB_MIPS_SPLIT_COMMON           13

/* Entries found in sections of type SHT_MIPS_GPTAB.  */

typedef union
{
  struct
    {
      Elf32_Word gt_current_g_value;    /* -G value used for compilation */
      Elf32_Word gt_unused;             /* Not used */
    } gt_header;                        /* First entry in section */
  struct
    {
      Elf32_Word gt_g_value;            /* If this value were used for -G */
      Elf32_Word gt_bytes;              /* This many bytes would be used */
    } gt_entry;                         /* Subsequent entries in section */
} Elf32_gptab;

/* Entry found in sections of type SHT_MIPS_REGINFO.  */

typedef struct
{
  Elf32_Word    ri_gprmask;             /* General registers used */
  Elf32_Word    ri_cprmask[4];          /* Coprocessor registers used */
  Elf32_Sword   ri_gp_value;            /* $gp register value */
} Elf32_RegInfo;

/* Entries found in sections of type SHT_MIPS_OPTIONS.  */

typedef struct
{
  unsigned char kind;           /* Determines interpretation of the
                                   variable part of descriptor.  */
  unsigned char size;           /* Size of descriptor, including header.  */
  Elf32_Section section;        /* Section header index of section affected,
                                   0 for global options.  */
  Elf32_Word info;              /* Kind-specific information.  */
} Elf_Options;

/* Values for `kind' field in Elf_Options.  */

#define ODK_NULL        0       /* Undefined.  */
#define ODK_REGINFO     1       /* Register usage information.  */
#define ODK_EXCEPTIONS  2       /* Exception processing options.  */
#define ODK_PAD         3       /* Section padding options.  */
#define ODK_HWPATCH     4       /* Hardware workarounds performed */
#define ODK_FILL        5       /* record the fill value used by the linker. */
#define ODK_TAGS        6       /* reserve space for desktop tools to write. */
#define ODK_HWAND       7       /* HW workarounds.  'AND' bits when merging. */
#define ODK_HWOR        8       /* HW workarounds.  'OR' bits when merging.  */

/* Values for `info' in Elf_Options for ODK_EXCEPTIONS entries.  */

#define OEX_FPU_MIN     0x1f    /* FPE's which MUST be enabled.  */
#define OEX_FPU_MAX     0x1f00  /* FPE's which MAY be enabled.  */
#define OEX_PAGE0       0x10000 /* page zero must be mapped.  */
#define OEX_SMM         0x20000 /* Force sequential memory mode?  */
#define OEX_FPDBUG      0x40000 /* Force floating point debug mode?  */
#define OEX_PRECISEFP   OEX_FPDBUG
#define OEX_DISMISS     0x80000 /* Dismiss invalid address faults?  */

#define OEX_FPU_INVAL   0x10
#define OEX_FPU_DIV0    0x08
#define OEX_FPU_OFLO    0x04
#define OEX_FPU_UFLO    0x02
#define OEX_FPU_INEX    0x01

/* Masks for `info' in Elf_Options for an ODK_HWPATCH entry.  */

#define OHW_R4KEOP      0x1     /* R4000 end-of-page patch.  */
#define OHW_R8KPFETCH   0x2     /* may need R8000 prefetch patch.  */
#define OHW_R5KEOP      0x4     /* R5000 end-of-page patch.  */
#define OHW_R5KCVTL     0x8     /* R5000 cvt.[ds].l bug.  clean=1.  */

#define OPAD_PREFIX     0x1
#define OPAD_POSTFIX    0x2
#define OPAD_SYMBOL     0x4

/* Entry found in `.options' section.  */

typedef struct
{
  Elf32_Word hwp_flags1;        /* Extra flags.  */
  Elf32_Word hwp_flags2;        /* Extra flags.  */
} Elf_Options_Hw;

/* Masks for `info' in ElfOptions for ODK_HWAND and ODK_HWOR entries.  */

#define OHWA0_R4KEOP_CHECKED    0x00000001
#define OHWA1_R4KEOP_CLEAN      0x00000002

/* MIPS relocs.  */

#define R_MIPS_NONE             0       /* No reloc */
#define R_MIPS_16               1       /* Direct 16 bit */
#define R_MIPS_32               2       /* Direct 32 bit */
#define R_MIPS_REL32            3       /* PC relative 32 bit */
#define R_MIPS_26               4       /* Direct 26 bit shifted */
#define R_MIPS_HI16             5       /* High 16 bit */
#define R_MIPS_LO16             6       /* Low 16 bit */
#define R_MIPS_GPREL16          7       /* GP relative 16 bit */
#define R_MIPS_LITERAL          8       /* 16 bit literal entry */
#define R_MIPS_GOT16            9       /* 16 bit GOT entry */
#define R_MIPS_PC16             10      /* PC relative 16 bit */
#define R_MIPS_CALL16           11      /* 16 bit GOT entry for function */
#define R_MIPS_GPREL32          12      /* GP relative 32 bit */

#define R_MIPS_SHIFT5           16