#ifndef _COFF_H
#define _COFF_H

#include <stdint.h>

struct coff_header {
    uint16_t magic;
    uint16_t nscns;   /* number of sections */
    uint32_t timdat;  /* time and date stamp */
    uint32_t symptr;  /* file offset of symbol table */
    uint32_t nsyms;   /* number of symbols */
    uint16_t opthdr;  /* size of optional header */
    uint16_t flags;   /* flags */
};

#define MAGIC_AMD64 0x8664

struct coff_section {
    char name[8];  /* section name */
    uint32_t paddr;   /* physical address */
    uint32_t vaddr;   /* virtual address */
    uint32_t size;    /* section size in bytes */
    uint32_t scnptr;  /* file offset to section data */
    uint32_t relptr;  /* file offset to relocation table */
    uint32_t lnnoptr; /* file offset to line number table */
    uint16_t nreloc;  /* number of relocation table entries */
    uint16_t nlnno;   /* number of line number table entries */
    uint32_t flags;   /* section flags */
};

/* section types */
#define STYP_TEXT 0x0020
#define STYP_DATA 0x0040
#define STYP_BSS  0x0080

struct coff_symtab {
    uint32_t zeroes;  /* must be zero; used as part of a feature we don't care about */
    uint32_t name;    /* offset into the string table */
    uint32_t value;
    uint16_t scnum;   /* section number */
    uint16_t type;
    uint8_t sclass;   /* storage class */
    uint8_t numaux;   /* auxiliary count */
};
#define COFF_SYMTAB_SIZE 18

/* symbol storage classes */
#define C_EXT  2 /* global symbol storage class */
#define C_STAT 3 /* static symbol storage class */

#endif /* _COFF_H */