#ifndef __AOUT_H__ #define __AOUT_H__ struct exec { ulong a_info; // Use macros N_MAGIC, etc for access ulong a_text; // length of text, in bytes ulong a_data; // length of data, in bytes ulong a_bss; // length of bss area for file, in bytes ulong a_syms; // length of symbol table data in file, in bytes ulong a_entry; // start address ulong a_trsize; // length of relocation info for text, in bytes ulong a_drsize; // length of relocation info for data, in bytes // Added for i960 // ulong a_tload; // Text runtime load adderr // ulong a_dload; // Data runtime load address // uchar a_talign; // Alignment of text segment // uchar a_dalign; // Alignmrnt of data segment // uchar a_balign; // Alignment of bss segment // char a_relaxable;// Enough info for linker relax }; //==================== #define N_TRSIZE(a) ((a).a_trsize) #define N_DRSIZE(a) ((a).a_drsize) #define N_SYMSIZE(a) ((a).a_syms) #define N_DYNAMIC(exec) ((exec).a_info & 0x80000000ul) #define N_MAGIC(exec) ((exec).a_info & 0xffff) #define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff)) #define N_FLAGS(exec) (((exec).a_info >> 24) & 0xff) //==================== enum machine_type { // M_OLDSUN2 = 0, M_UNKNOWN = 0, M_68010 = 1, M_68020 = 2, M_SPARC = 3, /*-----------------11.07.98 04:09------------------- * skip a bunch so we don't run into any of suns numbers */ /*-----------------11.07.98 04:09------------------- * make these up for the ns32k*/ M_NS32032 = (64), /* ns32032 running ? */ M_NS32532 = (64 + 5), /* ns32532 running mach */ M_386 = 100, M_29K = 101, /* AMD 29000 */ M_386_DYNIX = 102, /* Sequent running dynix */ M_ARM = 103, /* Advanced Risc Machines ARM */ M_SPARCLET = 131, /* SPARClet = M_SPARC + 128 */ M_386_NETBSD = 134, /* NetBSD/i386 binary */ M_68K_NETBSD = 135, /* NetBSD/m68k binary */ M_68K4K_NETBSD = 136, /* NetBSD/m68k4k binary */ M_532_NETBSD = 137, /* NetBSD/ns32k binary */ M_SPARC_NETBSD = 138, /* NetBSD/sparc binary */ M_PMAX_NETBSD = 139, /* NetBSD/pmax (MIPS little-endian) binary */ M_VAX_NETBSD = 140, /* NetBSD/vax binary */ M_ALPHA_NETBSD = 141, /* NetBSD/alpha binary */ M_ARM6_NETBSD = 143, /* NetBSD/arm32 binary */ M_SPARCLET_1 = 147, /* 0x93, reserved */ M_MIPS1 = 151, /* MIPS R2000/R3000 binary */ M_MIPS2 = 152, /* MIPS R4000/R6000 binary */ M_SPARCLET_2 = 163, /* 0xa3, reserved */ M_SPARCLET_3 = 179, /* 0xb3, reserved */ M_SPARCLET_4 = 195, /* 0xc3, reserved */ M_HP200 = 200, /* HP 200 (68010) BSD binary */ M_HP300 = (300 % 256), /* HP 300 (68020+68881) BSD binary */ M_HPUX = (0x20c % 256), /* HP 200/300 HPUX binary */ M_SPARCLET_5 = 211, /* 0xd3, reserved */ M_SPARCLET_6 = 227, /* 0xe3, reserved */ M_SPARCLET_7 = 243 /* 0xf3, reserved */ }; //==================== #define OMAGIC 0407 // object file or impure executable #define NMAGIC 0410 // pure executeable #define ZMAGIC 0413 // demand-paged executable #define BMAGIC 0415 // Used by a b.out object #define QMAGIC 0314 // demand-paged executable with the header in the text. // The first page is unmapped to help trap NULL pointer // referenced #define CMAGIC 0421 // core file //==================== // Flags: #define EX_PIC 0x80 /* contains position independent code */ #define EX_DYNAMIC 0x40 /* contains run-time link-edit info */ #define EX_DPMASK 0xC0 /* mask for the above */ //==================== #define N_BADMAG(x) (N_MAGIC(x) != OMAGIC && \ N_MAGIC(x) != NMAGIC && \ N_MAGIC(x) != ZMAGIC && \ N_MAGIC(x) != QMAGIC) #define _N_HDROFF(x) (1024 - sizeof(struct exec)) #define N_TXTOFF(x) \ (N_MAGIC(x) == ZMAGIC ? _N_HDROFF((x)) + sizeof (struct exec) : \ (N_MAGIC(x) == QMAGIC ? 0 : sizeof (struct exec))) #define N_DATOFF(x) (N_TXTOFF(x) + (x).a_text) #define N_TRELOFF(x) (N_DATOFF(x) + (x).a_data) #define N_DRELOFF(x) (N_TRELOFF(x) + N_TRSIZE(x)) #define N_SYMOFF(x) (N_DRELOFF(x) + N_DRSIZE(x)) #define N_STROFF(x) (N_SYMOFF(x) + (x).a_syms) // Address of text segment in memory after it is loaded #define PAGE_SIZE (1UL << 12) #define N_TXTADDR(x) (N_MAGIC(x) == QMAGIC ? PAGE_SIZE : 0) #define PAGE_SIZE_ARM 0x8000UL #define N_TXTADDR_ARM(x) (N_MAGIC(x) == QMAGIC ? 0 : PAGE_SIZE_ARM) // Address of data segment in memory after it is loaded. (for linux) /* #define SEGMENT_SIZE 1024 #define _N_SEGMENT_ROUND(x) (((x) + SEGMENT_SIZE - 1) & ~(SEGMENT_SIZE - 1)) #define _N_TXTENDADDR(x) (N_TXTADDR(x)+(x).a_text) #define N_DATADDR(x) \ (N_MAGIC(x)==OMAGIC? (_N_TXTENDADDR(x)) : \ (_N_SEGMENT_ROUND (_N_TXTENDADDR(x)))) // Address of bss segment in memory after it is loaded #define N_BSSADDR(x) (N_DATADDR(x) + (x).a_data) */ //======================== struct nlist { union { char *n_name; nlist *n_next; long n_strx; } n_un; uchar n_type; char n_other; short n_desc; ulong n_value; }; #define N_UNDF 0 // Undefined symbol #define N_ABS 2 // Absolute symbol -- addr #define N_TEXT 4 // Text sym -- offset in text segment #define N_DATA 6 // Data sym -- offset in data segment #define N_BSS 8 // BSS sym -- offset in bss segment #define N_COMM 0x12 // Common symbol (visible after shared) #define N_FN 0x1F // File name of .o file #define N_FN_SEQ 0x0C // N_FN from Sequent compilers #define N_EXT 1 // External (ORed wits UNDF, ABS, TEXT, DATA or BSS) #define N_TYPE 0x1E #define N_STAB 0xE0 // If present - debug symbol #define N_INDR 0xA // symbol refernced to another symbol #define N_SETA 0x14 // Absolute set element symbol #define N_SETT 0x16 // Text set element symbol #define N_SETD 0x18 // Data set element symbol #define N_SETB 0x1A // Bss set element symbol #define N_SETV 0x1C // Pointer to set vector in data area. (from LD) #define N_WARNING 0x1E // Text has warnings // Weak symbols #define N_WEAKU 0x0D // Weak undefined #define N_WEAKA 0x0E // Weak Absolute #define N_WEAKT 0x0F // Weak Text #define N_WEAKD 0x10 // Weak Data #define N_WEAKB 0x11 // Weak BSS //======================= #ifndef __DOS16__ // the following structure can't be compiled in 16bit struct relocation_info { long r_address; // Adress (within segment) to be relocated ulong r_symbolnum:24; //The meaning of r_symbolnum depends on r_extern ulong r_pcrel:1; // Nonzero means value is a pc-relative offset ulong r_length:2; // Length (exp of 2) of the field to be relocated. ulong r_extern:1; // 1 => relocate with value of symbol. // r_symbolnum is the index of the symbol // in file's the symbol table. // 0 => relocate with the address of a segment. // r_symbolnum is N_TEXT, N_DATA, N_BSS or N_ABS ulong r_bsr:1; ulong r_disp:1; ulong r_pad:2; }; #endif // __DOS16__ //============================ #endif