| #ifndef __A_OUT_GNU_H__ |
| #define __A_OUT_GNU_H__ |
| |
| #include <bits/a.out.h> |
| |
| #define __GNU_EXEC_MACROS__ |
| |
| /* |
| * OSF/1 ECOFF header structs. ECOFF files consist of: |
| * - a file header (struct filehdr), |
| * - an a.out header (struct aouthdr), |
| * - one or more section headers (struct scnhdr). |
| * The filhdr's "f_nscns" field contains the |
| * number of section headers. |
| */ |
| |
| struct filehdr |
| { |
| /* OSF/1 "file" header */ |
| unsigned short f_magic, f_nscns; |
| unsigned int f_timdat; |
| unsigned long f_symptr; |
| unsigned int f_nsyms; |
| unsigned short f_opthdr, f_flags; |
| }; |
| |
| struct aouthdr |
| { |
| unsigned long info; /* After that it looks quite normal.. */ |
| unsigned long tsize; |
| unsigned long dsize; |
| unsigned long bsize; |
| unsigned long entry; |
| unsigned long text_start; /* With a few additions that actually make sense. */ |
| unsigned long data_start; |
| unsigned long bss_start; |
| unsigned int gprmask, fprmask; /* Bitmask of general & floating point regs used in binary. */ |
| unsigned long gpvalue; |
| }; |
| |
| struct scnhdr |
| { |
| char s_name[8]; |
| unsigned long s_paddr; |
| unsigned long s_vaddr; |
| unsigned long s_size; |
| unsigned long s_scnptr; |
| unsigned long s_relptr; |
| unsigned long s_lnnoptr; |
| unsigned short s_nreloc; |
| unsigned short s_nlnno; |
| unsigned int s_flags; |
| }; |
| |
| struct exec |
| { |
| /* OSF/1 "file" header */ |
| struct filehdr fh; |
| struct aouthdr ah; |
| }; |
| |
| #define a_info ah.info |
| #define a_text ah.tsize |
| #define a_data ah.dsize |
| #define a_bss ah.bsize |
| #define a_entry ah.entry |
| #define a_textstart ah.text_start |
| #define a_datastart ah.data_start |
| #define a_bssstart ah.bss_start |
| #define a_gprmask ah.gprmask |
| #define a_fprmask ah.fprmask |
| #define a_gpvalue ah.gpvalue |
| |
| |
| #define AOUTHSZ sizeof(struct aouthdr) |
| #define SCNHSZ sizeof(struct scnhdr) |
| #define SCNROUND 16 |
| |
| enum machine_type |
| { |
| M_OLDSUN2 = 0, |
| M_68010 = 1, |
| M_68020 = 2, |
| M_SPARC = 3, |
| M_386 = 100, |
| M_MIPS1 = 151, |
| M_MIPS2 = 152 |
| }; |
| |
| #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) |
| #define N_SET_INFO(exec, magic, type, flags) \ |
| ((exec).a_info = ((magic) & 0xffff) \ |
| | (((int)(type) & 0xff) << 16) \ |
| | (((flags) & 0xff) << 24)) |
| #define N_SET_MAGIC(exec, magic) \ |
| ((exec).a_info = ((exec).a_info & 0xffff0000) | ((magic) & 0xffff)) |
| #define N_SET_MACHTYPE(exec, machtype) \ |
| ((exec).a_info = \ |
| ((exec).a_info&0xff00ffff) | ((((int)(machtype))&0xff) << 16)) |
| #define N_SET_FLAGS(exec, flags) \ |
| ((exec).a_info = \ |
| ((exec).a_info&0x00ffffff) | (((flags) & 0xff) << 24)) |
| |
| /* Code indicating object file or impure executable. */ |
| #define OMAGIC 0407 |
| /* Code indicating pure executable. */ |
| #define NMAGIC 0410 |
| /* Code indicating demand-paged executable. */ |
| #define ZMAGIC 0413 |
| /* This indicates a demand-paged executable with the header in the text. |
| The first page is unmapped to help trap NULL pointer references. */ |
| #define QMAGIC 0314 |
| /* Code indicating core file. */ |
| #define CMAGIC 0421 |
| |
| #define N_TRSIZE(x) 0 |
| #define N_DRSIZE(x) 0 |
| #define N_SYMSIZE(x) 0 |
| #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) \ |
| ((long) N_MAGIC(x) == ZMAGIC ? 0 : \ |
| (sizeof (struct exec) + (x).fh.f_nscns * SCNHSZ + SCNROUND - 1) \ |
| & ~(SCNROUND - 1)) |
| |
| #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) + N_SYMSIZE(x)) |
| |
| /* Address of text segment in memory after it is loaded. */ |
| #define N_TXTADDR(x) ((x).a_textstart) |
| |
| /* Address of data segment in memory after it is loaded. */ |
| #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) ((x).a_datastart) |
| #define N_BSSADDR(x) ((x).a_bssstart) |
| |
| #if !defined (N_NLIST_DECLARED) |
| struct nlist |
| { |
| union |
| { |
| char *n_name; |
| struct nlist *n_next; |
| long n_strx; |
| } n_un; |
| unsigned char n_type; |
| char n_other; |
| short n_desc; |
| unsigned long n_value; |
| }; |
| #endif /* no N_NLIST_DECLARED. */ |
| |
| #define N_UNDF 0 |
| #define N_ABS 2 |
| #define N_TEXT 4 |
| #define N_DATA 6 |
| #define N_BSS 8 |
| #define N_FN 15 |
| #define N_EXT 1 |
| #define N_TYPE 036 |
| #define N_STAB 0340 |
| #define N_INDR 0xa |
| #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. */ |
| |
| #if !defined (N_RELOCATION_INFO_DECLARED) |
| /* This structure describes a single relocation to be performed. |
| The text-relocation section of the file is a vector of these structures, |
| all of which apply to the text section. |
| Likewise, the data-relocation section applies to the data section. */ |
| |
| struct relocation_info |
| { |
| int r_address; |
| unsigned int r_symbolnum:24; |
| unsigned int r_pcrel:1; |
| unsigned int r_length:2; |
| unsigned int r_extern:1; |
| unsigned int r_pad:4; |
| }; |
| #endif /* no N_RELOCATION_INFO_DECLARED. */ |
| |
| #endif /* __A_OUT_GNU_H__ */ |