kolibrios/programs/develop/libraries/menuetlibc/include/mcoff/mcoff.h
CleverMouse 4f5f25a6c2 add menuetlibc sources
git-svn-id: svn://kolibrios.org@1882 a494cfbc-eb01-0410-851d-a64ba20cac60
2011-02-21 13:30:08 +00:00

65 lines
1.7 KiB
C
Executable File

#ifndef __MENUETOS_MCOFF_H
#define __MENUETOS_MCOFF_H
#include"_coff.h"
typedef struct {
char * co_loadptr;
unsigned long co_loadaddr;
unsigned long co_filesize;
FILHDR * co_filehdr;
SCNHDR * co_sections;
SYMENT * co_symtab;
char * co_strtab;
char * co_bssptr;
unsigned long co_bssaddr;
unsigned long co_bsssize;
unsigned long co_bsssectnum;
} coffobj_t;
coffobj_t * mcoff_load_file(char * fname);
void unload_coff_file(coffobj_t * obj);
SCNHDR * find_section(char * name,coffobj_t * obj);
int read_section_data(coffobj_t * obj,SCNHDR * hdr,void ** readp);
SYMENT * find_coff_symbol(coffobj_t * obj,char * objname);
typedef int (* symlookupfn_t)(coffobj_t *,unsigned long *,unsigned long *,int);
int relocate_coff_file(coffobj_t * obj,symlookupfn_t lookupfn);
int mcoff_std_symlookupfn(coffobj_t * obj,unsigned long * sym_val,
unsigned long * sym_sect,int index);
unsigned long mcoff_get_ref(coffobj_t * obj,char * symname);
/*
Your lookup function can be similar to this:
int mcoff_std_symlookupfn(coffobj_t * obj,unsigned long * sym_val,
unsigned long * sym_sect,int index)
{
SYMENT * symtab,* lookup;
char xname[9];
char * symnamep;
symtab=obj->co_symtab+index;
*sym_sect=(unsigned long)symtab->e_scnum;
if(symtab->e_scnum>0)
{
*sym_val=symtab->e_value;
return 0;
}
if(symtab->e.e.e_zeroes==0)
{
symnamep=(char *)(((long)obj->co_strtab)+symtab->e.e.e_offset);
} else {
symnamep=(char *)symtab->e.e_name;
memset(xname,0,9);
memcpy(xname,symnamep,8);
symnamep=xname;
}
lookup=find_coff_symbol(obj,symnamep);
if(!lookup) return -1;
*sym_val=lookup->e_value+obj->co_sections[lookup->e_scnum-1].s_scnptr+obj->co_loadaddr;
return 0;
}
*/
#endif