📄 coff.h
字号:
#define TI_STYP_PAD 0x08 /* not used */
#define TI_STYP_COPY 0x10 /* "copy" : used for C init tables -
not allocated, relocated,
loaded; reloc & lineno
entries processed normally */
#define TI_STYP_TEXT 0x20 /* section contains text only */
#define TI_STYP_DATA 0x40 /* section contains data only */
#define TI_STYP_BSS 0x80 /* section contains bss only */
/*------------------------------------------------------------------------*/
/* Bits 8-11 specify an alignment. The alignment is (2 ** x). */
/*------------------------------------------------------------------------*/
#define TI_ALIGN_DEFAULT 0x100 /* default align flag - target dependent */
#define TI_ALIGN_MASK 0xF00 /* mask for alignment factor */
#define TI_ALIGN_SIZE(s_flag) (1 << (((unsigned)s_flag & TI_ALIGN_MASK) >> 8))
#define TI_STYP_BLOCK 0x1000 /* use alignment as blocking factor */
#define TI_STYP_PASS 0x2000 /* Pass section through unchanged */
#define TI_STYP_CLINK 0x4000 /* Conditionally link section */
/*------------------------------------------------------------------------*/
/* RELOCATION ENTRIES */
/* WE SUPPORT TWO TYPES OF RELOCATION ENTRIES: */
/* 1) OLD STYLE, WITH 16 BIT SYMBOL TABLE INDEX. */
/* 2) NEW STYLE, WITH 32 BIT SYMBOL TABLE INDEX. */
/* FOR ANY GIVEN INPUT FILE, THE FILE HEADER FLAG "F_RELOC_12" INDICATES */
/* THE TYPE OF RELOCATION ENTRY IN THE FILE. */
/* THE TARGET-SPECIFIC FLAG RELOC_ENTRY_12 DETERMINES WHETHER THE NEW */
/* STYLE IS SUPPORTED ON A GIVEN TARGET. */
/*------------------------------------------------------------------------*/
typedef struct ti_reloc_old
{
long r_vaddr; /* (virtual) address of reference */
short r_symndx; /* index into symbol table */
unsigned short r_disp; /* additional bits for address calculation */
unsigned short r_type; /* relocation type */
} TI_RELOC_OLD;
typedef struct ti_reloc
{
long r_vaddr; /* (virtual) address of reference */
#if TI_COFF_VERSION_0
short r_symndx; /* 16-bit index into symbol table */
#else
long r_symndx; /* 32-bit index into symbol table */
#endif
unsigned short r_disp; /* additional bits for addr calc */
unsigned short r_type; /* relocation type */
} TI_RELOC;
#define TI_RELSZ (TI_COFF_VERSION_1 ? 12 : 10)
#define TI_RELSZ_IN(version) ((version >= TI_COFF_MAGIC_1) ? 12 : 10)
/*--------------------------------------------------------------------------*/
/* define all relocation types */
/*--------------------------------------------------------------------------*/
#define TI_R_ABS 0 /* absolute address - no relocation */
#define TI_R_DIR16 01 /* UNUSED */
#define TI_R_REL16 02 /* UNUSED */
#define TI_R_DIR24 04 /* UNUSED */
#define TI_R_REL24 05 /* 24 bits, direct */
#define TI_R_DIR32 06 /* UNUSED */
#define TI_R_RRRELREG 016 /* RR: 8 bit relocatable register */
#define TI_R_RELBYTE 017 /* 8 bits, direct */
#define TI_R_RELWORD 020 /* 16 bits, direct */
#define TI_R_RELLONG 021 /* 32 bits, direct */
#define TI_R_PCRBYTE 022 /* 8 bits, PC-relative */
#define TI_R_PCRWORD 023 /* 16 bits, PC-relative */
#define TI_R_PCRLONG 024 /* 32 bits, PC-relative */
#define TI_R_PCR24 025 /* 24 bits, PC-relative */
#define TI_R_PCR23H 026 /* 23 bits, PC-relative in halfwords(x>>1)*/
#define TI_R_PCR24W 027 /* 24 bits, PC-relative in words (x >> 2) */
#define TI_R_OCRLONG 030 /* GSP: 32 bits, one's complement direct */
#define TI_R_GSPPCR16 031 /* GSP: 16 bits, PC relative (in words) */
#define TI_R_GSPOPR32 032 /* GSP: 32 bits, direct big-endian */
#define TI_R_GSPPCA16 033 /* GSP: same as GSPPCR16, but PC constant */
#define TI_R_OCBD32 034 /* GSP: 32 bits, 1's complement,big-endian*/
#define TI_R_RRNREG 035 /* RR: 8 bit reloc. reg. w/ neg off */
#define TI_R_PARTLS16 040 /* Brahma: 16 bit offset of 24 bit address*/
#define TI_R_PARTMS8 041 /* Brahma: 8 bit page of 24 bit address */
#define TI_R_PARTLS7 050 /* DSP: 7 bit offset of 16 bit address */
#define TI_R_PARTMS9 051 /* DSP: 9 bit page of 16 bit address */
#define TI_R_REL13 052 /* DSP: 13 bits, direct */
#define TI_R_REL23 053 /* DSP,C54X: 23 bits, direct (ext addr) */
#define TI_R_RELXPC 054 /* DSP,C54X: 16 bits, relative to XPC */
#define TI_R_HIEXT 055 /* C54X: Hi word of extended prog addr */
#define TI_R_HIWORD 061 /* RR: 8 bit relocation. hi byte of word */
#define TI_R_LABCOD 062 /* C16 16-bit code address relocation */
#define TI_R_PPBASE 064 /* PP: Global Base address type */
#define TI_R_PPLBASE 065 /* PP: Local Base address type */
#define TI_R_PP15 070 /* PP: Global 15 bit offset */
#define TI_R_PP15W 071 /* PP: Global 15 bit offset divided by 4 */
#define TI_R_PP15H 072 /* PP: Global 15 bit offset divided by 2 */
#define TI_R_PP16B 073 /* PP: Global 16 bit offset for bytes */
#define TI_R_PPL15 074 /* PP: Local 15 bit offset */
#define TI_R_PPL15W 075 /* PP: Local 15 bit offset divided by 4 */
#define TI_R_PPL15H 076 /* PP: Local 15 bit offset divided by 2 */
#define TI_R_PPL16B 077 /* PP: Local 16 bit offset for bytes */
#define TI_R_PPN15 0100 /* PP: Global 15 bit negative offset */
#define TI_R_PPN15W 0101 /* PP: Global 15 bit negative offset / 4 */
#define TI_R_PPN15H 0102 /* PP: Global 15 bit negative offset / 2 */
#define TI_R_PPN16B 0103 /* PP: Global 16 bit negative byte offset */
#define TI_R_PPLN15 0104 /* PP: Local 15 bit negative offset */
#define TI_R_PPLN15W 0105 /* PP: Local 15 bit negative offset / 4 */
#define TI_R_PPLN15H 0106 /* PP: Local 15 bit negative offset / 2 */
#define TI_R_PPLN16B 0107 /* PP: Local 16 bit negative byte offset */
#define TI_R_MPPCR 0117 /* MP: 32-bit PC-relative / 4 */
#define TI_R_C60BASE 0120 /* C60: Data Page Pointer Based Offset */
#define TI_R_C60DIR15 0121 /* C60: LD/ST long Displacement */
#define TI_R_C60PCR16 0122 /* C60: 16-bit Packet PC Relative */
#define TI_R_C60PCR24 0123 /* C60: 24-bit Packet PC Relative */
#define TI_R_C60LO16 0124 /* C60: MVK Low Half Register */
#define TI_R_C60HI16 0125 /* C60: MVKH/MVKLH High Half Register */
#define TI_R_C8PHIBYTE 0130 /* C8+: High byte of 24-bit address. */
#define TI_R_C8PMIDBYTE 0131 /* C8+: Middle byte of 24-bit address. */
#define TI_R_C8PVECADR 0132 /* C8+: Vector address (0xFFnnnn) */
#define TI_R_C8PADR24 0133 /* C8+: 24-bit address (rev byte order) */
#define TI_R_PARTLS6 0135 /* ANKOOR: 6 bit offset of 22 bit addr */
#define TI_R_PARTMID10 0136 /* ANKOOR: Middle 10 bits of 22 bit addr*/
#define TI_R_REL22 0137 /* ANKOOR: 22 bits, direct */
#define TI_R_PARTMS6 0140 /* ANKOOR: Upper 6 bits of 22 bit addr */
#define TI_R_PARTMS16 0141 /* ANKOOR: Upper 16 bits of 22 bit addr */
#define TI_R_ANKPCR16 0142 /* ANKOOR: PC relative 16 bit */
#define TI_R_ANKPCR8 0143 /* ANKOOR: PC relatvie 8 bit */
/*------------------------------------------------------------------------*/
/* LINE NUMBER ENTRIES */
/*------------------------------------------------------------------------*/
struct ti_lineno
{
union
{
long l_symndx; /* sym index of function name iff l_lnno == 0 */
long l_paddr; /* (physical) address of line number */
} l_addr;
unsigned short l_lnno; /* line number */
};
#define TI_LINENO struct ti_lineno
#define TI_LINESZ 6 /* sizeof(LINENO) */
/*------------------------------------------------------------------------*/
/* SYMBOL TABLE ENTRIES */
/*------------------------------------------------------------------------*/
#define TI_FILNMLEN 14 /* Number of characters in a file name */
#define TI_DIMNUM 4 /* Number of array dimensions in auxiliary entry */
typedef unsigned short TI_STYPE;
struct ti_syment
{
union
{
char _n_name[TI_SYMNMLEN]; /* old COFF version */
struct
{
long _n_zeroes; /* new == 0 */
long _n_offset; /* offset into string table */
} _n_n;
char *_n_nptr[2]; /* allows for overlaying */
} _n;
long n_value; /* value of symbol */
short n_scnum; /* section number */
TI_STYPE n_type; /* type and derived type */
char n_sclass; /* storage class */
char n_numaux; /* number of aux. entries */
};
#define n_name _n._n_name
#define n_nptr _n._n_nptr[1]
#define n_zeroes _n._n_n._n_zeroes
#define n_offset _n._n_n._n_offset
/*------------------------------------------------------------------------*/
/* Relocatable symbols have a section number of the */
/* section in which they are defined. Otherwise, section */
/* numbers have the following meanings: */
/*------------------------------------------------------------------------*/
#define TI_N_UNDEF 0 /* undefined symbol */
#define TI_N_ABS -1 /* value of symbol is absolute */
#define TI_N_DEBUG -2 /* special debugging symbol */
/*------------------------------------------------------------------------*/
/* AUXILIARY SYMBOL ENTRY */
/*------------------------------------------------------------------------*/
#define TI_SPACE(len, name) char name[len]
union ti_auxent
{
struct
{
TI_SPACE(4, _0_3);
long x_fsize; /* size of struct in bits. */
TI_SPACE(4, _8_11);
long x_endndx; /* ptr to next sym beyond .eos */
TI_SPACE(2, _16_17);
} x_tag;
struct
{
long x_tagndx; /* ptr to beginning of struct */
long x_fsize; /* size of struct in bits. */
TI_SPACE(10, _8_17);
} x_eos;
struct
{
long x_tagndx; /* ptr to tag for function */
long x_fsize; /* size of function in bits */
long x_lnnoptr; /* file ptr to fcn line # */
long x_endndx; /* ptr to next sym beyond .ef */
TI_SPACE(2, _16_17);
} x_func;
struct
{
long x_regmask; /* Mask of regs use by func */
unsigned short x_lnno; /* line number of block begin */
unsigned short x_lcnt; /* # line number entries in func */
long x_framesize; /* size of func local vars */
long x_endndx; /* ptr to next sym beyond .eb */
TI_SPACE(2, _16_17);
} x_block;
struct
{
long x_tagndx; /* ptr to tag for array type */
long x_fsize; /* Size of array in bits. */
unsigned short x_dimen[TI_DIMNUM];
TI_SPACE(2, _16_17);
} x_array;
struct
{
long x_tagndx; /* str, un, or enum tag indx */
long x_fsize; /* Size of symbol */
TI_SPACE(10, _10_17);
} x_sym;
struct
{
char x_fname[TI_FILNMLEN];
} x_file;
struct
{
long x_scnlen; /* section length */
unsigned short x_nreloc; /* number of reloc entries */
unsigned short x_nlinno; /* number of line numbers */
TI_SPACE(8, _10_17);
} x_scn;
};
#define TI_SYMENT struct ti_syment
#define TI_SYMESZ 18 /* sizeof(SYMENT) */
#define TI_AUXENT union ti_auxent
#define TI_AUXESZ 18 /* sizeof(AUXENT) */
/*------------------------------------------------------------------------*/
/* NAMES OF "SPECIAL" SYMBOLS */
/*------------------------------------------------------------------------*/
#define TI_BF ".bf"
#define TI_EF ".ef"
#define TI_STEXT ".text"
#define TI_ETEXT "etext"
#define TI_SDATA ".data"
#define TI_EDATA "edata"
#define TI_SBSS ".bss"
#define TI_END "end"
#define TI_CINITPTR "cinit"
#define TI_ASM_SRC_NAME "$ASM$" /* SPECIAL SYMBOL FOR ASSY SRC DEBUG */
/*--------------------------------------------------------------------------*/
/* ENTRY POINT SYMBOLS */
/*--------------------------------------------------------------------------*/
#define TI_START "_start"
#define TI_MAIN "_main"
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -