| 0,0 → 1,64 |
|---|
| #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 |