| #ifndef XCOFF_H |
| #define XCOFF_H |
| |
| /* XCOFF executable loader */ |
| |
| typedef struct COFF_filehdr_t { |
| uint16_t f_magic; /* magic number */ |
| uint16_t f_nscns; /* number of sections */ |
| uint32_t f_timdat; /* time & date stamp */ |
| uint32_t f_symptr; /* file pointer to symtab */ |
| uint32_t f_nsyms; /* number of symtab entries */ |
| uint16_t f_opthdr; /* sizeof(optional hdr) */ |
| uint16_t f_flags; /* flags */ |
| } COFF_filehdr_t; |
| |
| /* IBM RS/6000 */ |
| |
| #define U802WRMAGIC 0x02DA /* writeable text segments **chh** */ |
| #define U802ROMAGIC 0x02DF /* readonly sharable text segments */ |
| #define U802TOCMAGIC 0x02E1 /* readonly text segments and TOC */ |
| #define U802TOMAGIC 0x01DF |
| |
| /* |
| * Bits for f_flags: |
| * |
| * F_RELFLG relocation info stripped from file |
| * F_EXEC file is executable (i.e. no unresolved external |
| * references) |
| * F_LNNO line numbers stripped from file |
| * F_LSYMS local symbols stripped from file |
| * F_MINMAL this is a minimal object file (".m") output of fextract |
| * F_UPDATE this is a fully bound update file, output of ogen |
| * F_SWABD this file has had its bytes swabbed (in names) |
| * F_AR16WR this file has the byte ordering of an AR16WR |
| * (e.g. 11/70) machine |
| * F_AR32WR this file has the byte ordering of an AR32WR machine |
| * (e.g. vax and iNTEL 386) |
| * F_AR32W this file has the byte ordering of an AR32W machine |
| * (e.g. 3b,maxi) |
| * F_PATCH file contains "patch" list in optional header |
| * F_NODF (minimal file only) no decision functions for |
| * replaced functions |
| */ |
| |
| #define COFF_F_RELFLG 0000001 |
| #define COFF_F_EXEC 0000002 |
| #define COFF_F_LNNO 0000004 |
| #define COFF_F_LSYMS 0000010 |
| #define COFF_F_MINMAL 0000020 |
| #define COFF_F_UPDATE 0000040 |
| #define COFF_F_SWABD 0000100 |
| #define COFF_F_AR16WR 0000200 |
| #define COFF_F_AR32WR 0000400 |
| #define COFF_F_AR32W 0001000 |
| #define COFF_F_PATCH 0002000 |
| #define COFF_F_NODF 0002000 |
| |
| typedef struct COFF_aouthdr_t { |
| uint16_t magic; /* type of file */ |
| uint16_t vstamp; /* version stamp */ |
| uint32_t tsize; /* text size in bytes, padded to FW bdry */ |
| uint32_t dsize; /* initialized data " " */ |
| uint32_t bsize; /* uninitialized data " " */ |
| uint32_t entry; /* entry pt. */ |
| uint32_t text_start; /* base of text used for this file */ |
| uint32_t data_start; /* base of data used for this file */ |
| uint32_t o_toc; /* address of TOC */ |
| uint16_t o_snentry; /* section number of entry point */ |
| uint16_t o_sntext; /* section number of .text section */ |
| uint16_t o_sndata; /* section number of .data section */ |
| uint16_t o_sntoc; /* section number of TOC */ |
| uint16_t o_snloader; /* section number of .loader section */ |
| uint16_t o_snbss; /* section number of .bss section */ |
| uint16_t o_algntext; /* .text alignment */ |
| uint16_t o_algndata; /* .data alignment */ |
| uint16_t o_modtype; /* module type (??) */ |
| uint16_t o_cputype; /* cpu type */ |
| uint32_t o_maxstack; /* max stack size (??) */ |
| uint32_t o_maxdata; /* max data size (??) */ |
| char o_resv2[12]; /* reserved */ |
| } COFF_aouthdr_t; |
| |
| #define AOUT_MAGIC 0x010b |
| |
| typedef struct COFF_scnhdr_t { |
| char s_name[8]; /* section name */ |
| uint32_t s_paddr; /* physical address, aliased s_nlib */ |
| uint32_t s_vaddr; /* virtual address */ |
| uint32_t s_size; /* section size */ |
| uint32_t s_scnptr; /* file ptr to raw data for section */ |
| uint32_t s_relptr; /* file ptr to relocation */ |
| uint32_t s_lnnoptr; /* file ptr to line numbers */ |
| uint16_t s_nreloc; /* number of relocation entries */ |
| uint16_t s_nlnno; /* number of line number entries */ |
| uint32_t s_flags; /* flags */ |
| } COFF_scnhdr_t; |
| |
| #endif /* XCOFF_H */ |
