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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4973 | right-hear | 1 | #ifndef __MENUETOS_MCOFF_H |
| 2 | #define __MENUETOS_MCOFF_H |
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| 3 | |||
| 4 | #include"_coff.h" |
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| 5 | |||
| 6 | typedef struct { |
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| 7 | char * co_loadptr; |
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| 8 | unsigned long co_loadaddr; |
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| 9 | unsigned long co_filesize; |
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| 10 | FILHDR * co_filehdr; |
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| 11 | SCNHDR * co_sections; |
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| 12 | SYMENT * co_symtab; |
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| 13 | char * co_strtab; |
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| 14 | char * co_bssptr; |
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| 15 | unsigned long co_bssaddr; |
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| 16 | unsigned long co_bsssize; |
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| 17 | unsigned long co_bsssectnum; |
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| 18 | } coffobj_t; |
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| 19 | |||
| 20 | coffobj_t * mcoff_load_file(char * fname); |
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| 21 | void unload_coff_file(coffobj_t * obj); |
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| 22 | SCNHDR * find_section(char * name,coffobj_t * obj); |
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| 23 | int read_section_data(coffobj_t * obj,SCNHDR * hdr,void ** readp); |
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| 24 | SYMENT * find_coff_symbol(coffobj_t * obj,char * objname); |
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| 25 | |||
| 26 | typedef int (* symlookupfn_t)(coffobj_t *,unsigned long *,unsigned long *,int); |
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| 27 | int relocate_coff_file(coffobj_t * obj,symlookupfn_t lookupfn); |
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| 28 | int mcoff_std_symlookupfn(coffobj_t * obj,unsigned long * sym_val, |
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| 29 | unsigned long * sym_sect,int index); |
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| 30 | unsigned long mcoff_get_ref(coffobj_t * obj,char * symname); |
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| 31 | |||
| 32 | /* |
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| 33 | Your lookup function can be similar to this: |
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| 34 | |||
| 35 | int mcoff_std_symlookupfn(coffobj_t * obj,unsigned long * sym_val, |
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| 36 | unsigned long * sym_sect,int index) |
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| 37 | { |
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| 38 | SYMENT * symtab,* lookup; |
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| 39 | char xname[9]; |
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| 40 | char * symnamep; |
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| 41 | symtab=obj->co_symtab+index; |
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| 42 | *sym_sect=(unsigned long)symtab->e_scnum; |
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| 43 | if(symtab->e_scnum>0) |
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| 44 | { |
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| 45 | *sym_val=symtab->e_value; |
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| 46 | return 0; |
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| 47 | } |
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| 48 | if(symtab->e.e.e_zeroes==0) |
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| 49 | { |
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| 50 | symnamep=(char *)(((long)obj->co_strtab)+symtab->e.e.e_offset); |
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| 51 | } else { |
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| 52 | symnamep=(char *)symtab->e.e_name; |
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| 53 | memset(xname,0,9); |
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| 54 | memcpy(xname,symnamep,8); |
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| 55 | symnamep=xname; |
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| 56 | } |
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| 57 | lookup=find_coff_symbol(obj,symnamep); |
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| 58 | if(!lookup) return -1; |
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| 59 | *sym_val=lookup->e_value+obj->co_sections[lookup->e_scnum-1].s_scnptr+obj->co_loadaddr; |
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| 60 | return 0; |
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| 61 | } |
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| 62 | */ |
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| 63 | |||
| 64 | #endif |