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coff-internal.h
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/* Bits for f_flags:
* F_RELFLG relocation info stripped from file
* F_EXEC file is executable (no unresolved external references)
* F_LNNO line numbers stripped from file
* F_LSYMS local symbols stripped from file
* F_AR16WR file is 16-bit little-endian
* F_AR32WR file is 32-bit little-endian
* F_AR32W file is 32-bit big-endian
* F_DYNLOAD rs/6000 aix: dynamically loadable w/imports & exports
* F_SHROBJ rs/6000 aix: file is a shared object
*/
#define F_RELFLG (0x0001)
#define F_EXEC (0x0002)
#define F_LNNO (0x0004)
#define F_LSYMS (0x0008)
#define F_AR16WR (0x0080)
#define F_AR32WR (0x0100)
#define F_AR32W (0x0200)
#define F_DYNLOAD (0x1000)
#define F_SHROBJ (0x2000)
/********************** STORAGE CLASSES **********************/
/* This used to be defined as -1, but now n_sclass is unsigned. */
#define C_EFCN 0xff /* physical end of function */
#define C_NULL 0
#define C_AUTO 1 /* automatic variable */
#define C_EXT 2 /* external symbol */
#define C_STAT 3 /* static */
#define C_REG 4 /* register variable */
#define C_EXTDEF 5 /* external definition */
#define C_LABEL 6 /* label */
#define C_ULABEL 7 /* undefined label */
#define C_MOS 8 /* member of structure */
#define C_ARG 9 /* function argument */
#define C_STRTAG 10 /* structure tag */
#define C_MOU 11 /* member of union */
#define C_UNTAG 12 /* union tag */
#define C_TPDEF 13 /* type definition */
#define C_USTATIC 14 /* undefined static */
#define C_ENTAG 15 /* enumeration tag */
#define C_MOE 16 /* member of enumeration */
#define C_REGPARM 17 /* register parameter */
#define C_FIELD 18 /* bit field */
#define C_AUTOARG 19 /* auto argument */
#define C_LASTENT 20 /* dummy entry (end of block) */
#define C_BLOCK 100 /* ".bb" or ".eb" */
#define C_FCN 101 /* ".bf" or ".ef" */
#define C_EOS 102 /* end of structure */
#define C_FILE 103 /* file name */
#define C_LINE 104 /* line # reformatted as symbol table entry */
#define C_ALIAS 105 /* duplicate tag */
#define C_HIDDEN 106 /* ext symbol in dmert public lib */
/* New storage classes for 80960 */
/* C_LEAFPROC is obsolete. Use C_LEAFEXT or C_LEAFSTAT */
#define C_LEAFPROC 108 /* Leaf procedure, "call" via BAL */
#define C_SCALL 107 /* Procedure reachable via system call */
#define C_LEAFEXT 108 /* External leaf */
#define C_LEAFSTAT 113 /* Static leaf */
#define C_OPTVAR 109 /* Optimized variable */
#define C_DEFINE 110 /* Preprocessor #define */
#define C_PRAGMA 111 /* Advice to compiler or linker */
#define C_SEGMENT 112 /* 80960 segment name */
/* Storage classes for m88k */
#define C_SHADOW 107 /* shadow symbol */
#define C_VERSION 108 /* coff version symbol */
/* New storage classes for RS/6000 */
#define C_HIDEXT 107 /* Un-named external symbol */
#define C_BINCL 108 /* Marks beginning of include file */
#define C_EINCL 109 /* Marks ending of include file */
/* storage classes for stab symbols for RS/6000 */
#define C_GSYM (0x80)
#define C_LSYM (0x81)
#define C_PSYM (0x82)
#define C_RSYM (0x83)
#define C_RPSYM (0x84)
#define C_STSYM (0x85)
#define C_TCSYM (0x86)
#define C_BCOMM (0x87)
#define C_ECOML (0x88)
#define C_ECOMM (0x89)
#define C_DECL (0x8c)
#define C_ENTRY (0x8d)
#define C_FUN (0x8e)
#define C_BSTAT (0x8f)
#define C_ESTAT (0x90)
/*
* s_flags "type"
*/
#define STYP_REG (0x0000) /* "regular": allocated, relocated, loaded */
#define STYP_DSECT (0x0001) /* "dummy": relocated only*/
#define STYP_NOLOAD (0x0002) /* "noload": allocated, relocated, not loaded */
#define STYP_GROUP (0x0004) /* "grouped": formed of input sections */
#define STYP_PAD (0x0008) /* "padding": not allocated, not relocated, loaded */
#define STYP_COPY (0x0010) /* "copy": for decision function used by field update; not allocated, not relocated,
loaded; reloc & lineno entries processed normally */
#define STYP_TEXT (0x0020) /* section contains text only */
#define S_SHRSEG (0x0020) /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile
will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will
update all process invocations. */
#define STYP_DATA (0x0040) /* section contains data only */
#define STYP_BSS (0x0080) /* section contains bss only */
#define S_NEWFCN (0x0100) /* In a minimal file or an update file, a new function (as compared with a replaced function) */
#define STYP_INFO (0x0200) /* comment: not allocated not relocated, not loaded */
#define STYP_OVER (0x0400) /* overlay: relocated not allocated or loaded */
#define STYP_LIB (0x0800) /* for .lib: same as INFO */
#define STYP_MERGE (0x2000) /* merge section -- combines with text, data or bss sections only */
#define STYP_REVERSE_PAD (0x4000) /* section will be padded with no-op instructions wherever padding is necessary and there is a
word of contiguous bytes
beginning on a word boundary. */
#define STYP_LIT 0x8020 /* Literal data (like STYP_TEXT) */
/********************** SYMBOLS **********************/
#define SYMNMLEN 8 /* # characters in a symbol name */
#define FILNMLEN 14 /* # characters in a file name */
#define DIMNUM 4 /* # array dimensions in auxiliary entry */
/* Relocatable symbols have number of the section in which they are defined,
or one of the following: */
#define N_UNDEF ((short)0) /* undefined symbol */
#define N_ABS ((short)-1) /* value of symbol is absolute */
#define N_DEBUG ((short)-2) /* debugging symbol -- value is meaningless */
#define N_TV ((short)-3) /* indicates symbol needs preload transfer vector */
#define P_TV ((short)-4) /* indicates symbol needs postload transfer vector*/
/*
* Type of a symbol, in low N bits of the word
*/
#define T_NULL 0
#define T_VOID 1 /* function argument (only used by compiler) */
#define T_CHAR 2 /* character */
#define T_SHORT 3 /* short integer */
#define T_INT 4 /* integer */
#define T_LONG 5 /* long integer */
#define T_FLOAT 6 /* floating point */
#define T_DOUBLE 7 /* double word */
#define T_STRUCT 8 /* structure */
#define T_UNION 9 /* union */
#define T_ENUM 10 /* enumeration */
#define T_MOE 11 /* member of enumeration*/
#define T_UCHAR 12 /* unsigned character */
#define T_USHORT 13 /* unsigned short */
#define T_UINT 14 /* unsigned integer */
#define T_ULONG 15 /* unsigned long */
#define T_LNGDBL 16 /* long double */
/*
* derived types, in n_type
*/
#define DT_NON (0) /* no derived type */
#define DT_PTR (1) /* pointer */
#define DT_FCN (2) /* function */
#define DT_ARY (3) /* array */
#define BTYPE(x) ((x) & N_BTMASK)
#define ISPTR(x) (((x) & N_TMASK) == (DT_PTR << N_BTSHFT))
#define ISFCN(x) (((x) & N_TMASK) == (DT_FCN << N_BTSHFT))
#define ISARY(x) (((x) & N_TMASK) == (DT_ARY << N_BTSHFT))
#define ISTAG(x) ((x)==C_STRTAG||(x)==C_UNTAG||(x)==C_ENTAG)
#define DECREF(x) ((((x)>>N_TSHIFT)&~N_BTMASK)|((x)&N_BTMASK))
#define SMTYP_ALIGN(x) ((x) >> 3) /* log2 of alignment */
#define SMTYP_SMTYP(x) ((x) & 0x7) /* symbol type */
/* Symbol type values: */
#define XTY_ER 0 /* External reference */
#define XTY_SD 1 /* Csect definition */
#define XTY_LD 2 /* Label definition */
#define XTY_CM 3 /* .BSS */
#define XTY_EM 4 /* Error message */
#define XTY_US 5 /* "Reserved for internal use" */
/* x_smclas values: */
#define XMC_PR 0 /* Read-only program code */
#define XMC_RO 1 /* Read-only constant */
#define XMC_DB 2 /* Read-only debug dictionary table */
#define XMC_TC 3 /* Read-write general TOC entry */
#define XMC_UA 4 /* Read-write unclassified */
#define XMC_RW 5 /* Read-write data */
#define XMC_GL 6 /* Read-only global linkage */
#define XMC_XO 7 /* Read-only extended operation (simulated insn) */
#define XMC_SV 8 /* Read-only supervisor call */
#define XMC_BS 9 /* Read-write BSS */
#define XMC_DS 10 /* Read-write descriptor csect */
#define XMC_UC 11 /* Read-write unnamed Fortran common */
#define XMC_TI 12 /* Read-only traceback index csect */
#define XMC_TB 13 /* Read-only traceback table csect */
/* 14 ??? */
#define XMC_TC0 15 /* Read-write TOC anchor for TOC addressability */
#define R_RELBYTE 017
#define R_RELWORD 020
#define R_PCRBYTE 022
#define R_PCRWORD 023
#define R_PCRLONG 024
#define R_DIR16 01
#define R_DIR32 06
#define R_PCLONG 020
#define R_RELBYTE 017
#define R_RELWORD 020
#define R_PCR16L 128
#define R_PCR26L 129
#define R_VRT16 130
#define R_HVRT16 131
#define R_LVRT16 132
#define R_VRT32 133
#define R_RELLONG (0x11) /* Direct 32-bit relocation */
#define R_IPRSHORT (0x18)
#define R_IPRMED (0x19) /* 24-bit ip-relative relocation */
#define R_IPRLONG (0x1a)
#define R_OPTCALL (0x1b) /* 32-bit optimizable call (leafproc/sysproc) */
#define R_OPTCALLX (0x1c) /* 64-bit optimizable call (leafproc/sysproc) */
#define R_GETSEG (0x1d)
#define R_GETPA (0x1e)
#define R_TAGWORD (0x1f)
#define R_JUMPTARG 0x20 /* strange 29k 00xx00xx reloc */
#define R_MOVB1 0x41 /* Special h8 16bit or 8 bit reloc for mov.b */
#define R_MOVB2 0x42 /* Special h8 opcode for 8bit which could be 16 */
#define R_JMP1 0x43 /* Special h8 16bit jmp which could be pcrel */
#define R_JMP2 0x44 /* a branch which used to be a jmp */
#define R_RELLONG_NEG 0x45
#define R_JMPL1 0x46 /* Special h8 24bit jmp which could be pcrel */
#define R_JMPL_B8 0x47 /* a 8 bit pcrel which used to be a jmp */
#define R_MOVLB1 0x48 /* Special h8 24bit or 8 bit reloc for mov.b */
#define R_MOVLB2 0x49 /* Special h8 opcode for 8bit which could be 24 */
/* Z8k modes */
#define R_IMM16 0x01 /* 16 bit abs */
#define R_JR 0x02 /* jr 8 bit disp */
#define R_IMM4L 0x23 /* low nibble */
#define R_IMM8 0x22 /* 8 bit abs */
#define R_IMM32 R_RELLONG /* 32 bit abs */
#define R_CALL R_DA /* Absolute address which could be a callr */
#define R_JP R_DA /* Absolute address which could be a jp */
#define R_REL16 0x04 /* 16 bit PC rel */
#define R_CALLR 0x05 /* callr 12 bit disp */
#define R_SEG 0x10 /* set if in segmented mode */
#define R_IMM4H 0x24 /* high nibble */
/* H8500 modes */
#define R_H8500_IMM8 1 /* 8 bit immediate */
#define R_H8500_IMM16 2 /* 16 bit immediate */
#define R_H8500_PCREL8 3 /* 8 bit pcrel */
#define R_H8500_PCREL16 4 /* 16 bit pcrel */
#define R_H8500_HIGH8 5 /* high 8 bits of 24 bit address */
#define R_H8500_LOW16 7 /* low 16 bits of 24 bit immediate */
#define R_H8500_IMM24 6 /* 24 bit immediate */
#define R_H8500_IMM32 8 /* 32 bit immediate */
#define R_H8500_HIGH16 9 /* high 16 bits of 32 bit immediate */
/* SH modes */
#define R_SH_PCREL8 3 /* 8 bit pcrel */
#define R_SH_PCREL16 4 /* 16 bit pcrel */
#define R_SH_HIGH8 5 /* high 8 bits of 24 bit address */
#define R_SH_LOW16 7 /* low 16 bits of 24 bit immediate */
#define R_SH_IMM24 6 /* 24 bit immediate */
#define R_SH_PCDISP8BY4 9 /* PC rel 8 bits *4 +ve */
#define R_SH_PCDISP8BY2 10 /* PC rel 8 bits *2 +ve */
#define R_SH_PCDISP8 11 /* 8 bit branch */
#define R_SH_PCDISP 12 /* 12 bit branch */
#define R_SH_IMM32 14 /* 32 bit immediate */
#define R_SH_IMM8 16
#define R_SH_IMM8BY2 17
#define R_SH_IMM8BY4 18
#define R_SH_IMM4 19
#define R_SH_IMM4BY2 20
#define R_SH_IMM4BY4 21
#define R_SH_PCRELIMM8BY2 22
#define R_SH_PCRELIMM8BY4 23
typedef struct {
ushort f_magic; /* magic number */
ushort f_nscns; /* number of sections */
ulong f_timdat; /* time & date stamp */
ulong f_symptr; /* file pointer to symtab */
ulong f_nsyms; /* number of symtab entries */
ushort f_opthdr; /* sizeof(optional hdr) */
ushort f_flags; /* flags */
} FileHdr;
typedef struct {
ushort magic; /* type of file */
ushort vstamp; /* version stamp */
ulong tsize; /* text size in bytes, padded to FW bdry*/
ulong dsize; /* initialized data " " */
ulong bsize; /* uninitialized data " " */
ulong entry; /* entry pt. */
ulong text_start; /* base of text used for this file */
ulong data_start; /* base of data used for this file */
} AoutHdr;
typedef struct {
char s_name[8]; /* section name */
ulong s_paddr; /* physical address, aliased s_nlib */
ulong s_vaddr; /* virtual address */
ulong s_size; /* section size */
ulong s_scnptr; /* file ptr to raw data for section */
ulong s_relptr; /* file ptr to relocation */
ulong s_lnnoptr; /* file ptr to line numbers */
ushort s_nreloc; /* number of relocation entries */
ushort s_nlnno; /* number of line number entries*/
ulong s_flags; /* flags */
} SecHdr;
typedef struct {
union {
ulong l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/
ulong l_paddr[4]; /* (physical) address of line number */
} l_addr;
ushort l_lnno[2]; /* line number */
} LineNo;
typedef struct {
union {
char e_name[E_SYMNMLEN];
struct {
ulong e_zeroes;
ulong e_offset;
} e;
} e;
ulong e_value;
ushort e_scnum;
ushort e_type;
char e_sclass;
char e_numaux;
} SymEnt;
typedef struct {
ulong r_vaddr;
ulong r_symndx;
ushort r_type;
#ifdef M68K_COFF_OFFSET
ulong r_offset;
#endif
} RelocEnt;
# define FLIP2(arg, tmp) tmp=(arg)[0],(arg)[0]=(arg)[1],(arg)[1]=tmp
# define FLIP4(arg, tmp) tmp=(arg)[0],(arg)[0]=(arg)[3],(arg)[3]=tmp,tmp=(arg)[1],(arg)[1]=(arg)[2],(arg)[2]=tmp
#define PACK2(dst, val) if (endian) {(dst)[0] = (val)>>8; (dst)[1] = (val);} else {(dst)[1] = (val)>>8; (dst)[0] = (val);}
#define PACK4(dst, val) if (endian) {(dst)[0] = (val)>>24; (dst)[1] = (val)>>16; (dst)[2] = (val)>>8; (dst)[3] = (val);} else \
{(dst)[3] = (val)>>24; (dst)[2] = (val)>>16; (dst)[1] = (val)>>8; (dst)[0] = (val);}
#define UNPACK4(src) (endian ? (((src)[0]&0xFF) << 24) | (((src)[1]&0xFF) << 16) | \
(((src)[2]&0xFF) << 8) | ((src)[3]&0xFF) : \
(((src)[3]&0xFF) << 24) | (((src)[2]&0xFF) << 16) | \
(((src)[1]&0xFF) << 8) | ((src)[0]&0xFF))
#define UNPACK2(src) (endian ? (((src)[0]&0xFF) << 8) | ((src)[1]&0xFF) : \
(((src)[1]&0xFF) << 8) | ((src)[0]&0xFF))