535 lines
15 KiB
C++
535 lines
15 KiB
C++
#include "tok.h"
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#include "coff.h"
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char *meserr="Plese, send this obj and sources files to me (sheker@mail.ru)";
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struct LISTINCLFILE{
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char *name;
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int typefind;
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int type;
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};
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enum{
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s_extern,
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s_code,
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s_data,
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s_bss
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};
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struct LISTNAMESYMBOL{
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int idx; //¨¤¥ªá ¨¬¥¨
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int seg;
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int adr;
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idrec *rec;
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int dbg;
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char name[IDLENGTH];
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}*listnamesymbol;
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char *curobjname;
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int numobj=0,numname;
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LISTINCLFILE *listobj;
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unsigned int adr_end;
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void LoadObj();
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void AddPost(unsigned long loc,int type,unsigned int num);
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int searchtree2(idrec *fptr,ITOK *itok4,int *tok4,unsigned char *string4);
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int GetSegm(int seg)
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{
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OBJECT_ENTRY *obj;
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if(seg){
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seg--;
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obj=(OBJECT_ENTRY *)(input+(sizeof(COFF_HEADER)+sizeof(OBJECT_ENTRY)*seg));
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seg=obj->vsize;
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}
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return seg;
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}
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int GetOffSec(int seg)
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{
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OBJECT_ENTRY *obj;
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if(seg){
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seg--;
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obj=(OBJECT_ENTRY *)(input+(sizeof(COFF_HEADER)+sizeof(OBJECT_ENTRY)*seg));
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seg=obj->sectionRVA;
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}
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return seg;
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}
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void AddNameObj(char *name,int typefind,int type)
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{
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int len;
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len=strlen(name);
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if(!numobj)listobj=(LISTINCLFILE *)MALLOC(sizeof(LISTINCLFILE));
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else listobj=(LISTINCLFILE *)REALLOC(listobj,sizeof(LISTINCLFILE)*(numobj+1));
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(listobj+numobj)->name=BackString(name);
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(listobj+numobj)->typefind=typefind;
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(listobj+numobj)->type=type;
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numobj++;
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}
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void AddObj()
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{
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int hold;
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for(int i=0;i<numobj;i++){
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curobjname=(listobj+i)->name;
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// puts(curobjname);
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hold=loadfile(curobjname,(listobj+i)->typefind);
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if(hold==1||hold==-1){
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unableopenfile(curobjname);
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continue;
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}
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if((listobj+i)->type==0)LoadObj();
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free(input);
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}
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}
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int GetAlighSize(long flag)
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{
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int align=0;
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int i=(flag&IMAGE_SCN_ALIGN_MASK)>>20;
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if(i)align=1<<(i-1);
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if(align==1)align=0;
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return align;
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}
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void ConvertName(char *name)
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{
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int i1,i2;
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char c;
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tok=tk_ID;
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i1=i2=0;
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c=name[i1];
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if(c=='?'){
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i1++;
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c=name[i1];
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if(c=='?'){
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i1=2;
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c=name[i1];
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}
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}
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else if(c=='_'){
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if(strncmp(name,"__imp__",7)==0){
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i1=7;
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c=name[i1];
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}
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else if(name[1]=='$'){
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i1=2;
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c=name[i1];
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}
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}
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while(c!=0){
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if(c>='a'&&c<='z')tok=tk_id;
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name[i2]=c;
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i1++;
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i2++;
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c=name[i1];
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if(c=='@'||c=='$')break;
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}
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name[i2]=0;
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}
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void AddPost(unsigned long loc,int type,unsigned int num)
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{
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CheckPosts();
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(postbuf+posts)->num=num;
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(postbuf+posts)->type=type;
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(postbuf+posts)->loc=loc;
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posts++;
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}
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void ScanSection(int numobj)
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{
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int poutptr,poutptrdata,ppostsize,align;
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OBJECT_ENTRY *obj;
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long flag;
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poutptr=outptr;
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poutptrdata=outptrdata;
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ppostsize=postsize;
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for(int i=0;i<numobj;i++){
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obj=(OBJECT_ENTRY *)(input+(sizeof(COFF_HEADER)+sizeof(OBJECT_ENTRY)*i));
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flag=obj->flags;
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align=GetAlighSize(flag);
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obj->vsize=-1;
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if((flag&IMAGE_SCN_CNT_CODE)&&(flag&IMAGE_SCN_MEM_EXECUTE)){//ᥪæ¨ï ª®¤
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obj->vsize=s_code;
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obj->sectionRVA=poutptr=Align(poutptr,align);
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poutptr+=obj->psize;
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if(splitdata==FALSE)poutptrdata=poutptr;
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}
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else{
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if((flag&IMAGE_SCN_MEM_READ)&&(flag&IMAGE_SCN_MEM_WRITE)){
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if(flag&IMAGE_SCN_CNT_INITIALIZED_DATA){ //ᥪæ¨ï ¨¨æ¨ «¨§¨à®¢ ëå ¤ ëå
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obj->vsize=s_data;
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obj->sectionRVA=poutptrdata=Align(poutptrdata,align);
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poutptrdata+=obj->psize;
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if(splitdata==FALSE)poutptr=poutptrdata;
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}
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else if(flag&IMAGE_SCN_CNT_UNINITIALIZED_DATA){ //ᥪæ¨ï bss
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obj->vsize=s_bss;
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obj->sectionRVA=ppostsize=Align(postsize,align);
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postsize+=obj->psize;
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}
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}
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}
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}
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}
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void AddLstName(int numname)
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{
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unsigned int minofs;
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int i,j,minname;
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int oseg;
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unsigned int ooutptr,ooutptrdata;
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ooutptr=outptr;
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ooutptrdata=outptrdata;
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for(i=0;i<numname;i++){
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if((listnamesymbol+i)->dbg==0){
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oseg=(listnamesymbol+i)->seg;
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minofs=(listnamesymbol+i)->adr;
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minname=i;
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for(j=i+1;j<numname;j++){
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if(splitdata==FALSE)goto checkadr;
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else if((listnamesymbol+j)->seg==oseg){
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checkadr:
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if(minofs>=(listnamesymbol+j)->adr&&(listnamesymbol+j)->dbg==0){
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if(minofs==(listnamesymbol+j)->adr){
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(listnamesymbol+minname)->dbg=1;
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}
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minofs=(listnamesymbol+j)->adr;
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minname=j;
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oseg=(listnamesymbol+j)->seg;
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}
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}
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}
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if(minname!=i)i--;
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// printf("seg=%d adr=%d %s\n",oseg,(listnamesymbol+minname)->adr,(listnamesymbol+minname)->name);
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if(oseg==s_code){
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if((listnamesymbol+minname)->rec){
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idrec *ptr;
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ptr=(listnamesymbol+minname)->rec;
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if(ptr->rectok==tk_undefproc||ptr->rectok==tk_proc||ptr->rectok==tk_interruptproc)goto dproc;
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outptrdata=(listnamesymbol+minname)->adr;
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if(splitdata==FALSE)outptr=outptrdata;
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AddDataNullLine(3,(listnamesymbol+minname)->name);
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}
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else{
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dproc:
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outptr=(listnamesymbol+minname)->adr;//12.08.04 00:05 +ooutptr;
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AddCodeNullLine((listnamesymbol+minname)->name);
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}
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}
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else if(oseg==s_data){
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outptrdata=(listnamesymbol+minname)->adr;//12.08.04 01:19 +ooutptrdata;
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if(splitdata==FALSE)outptr=outptrdata;
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AddDataNullLine(3,(listnamesymbol+minname)->name);
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}
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(listnamesymbol+minname)->dbg=1;
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}
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}
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outptr=ooutptr;
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outptrdata=ooutptrdata;
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}
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int ScanName(COFF_HEADER *head)
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{
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int size,i,j,numname,seg,count;
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IMAGE_SYMBOL *tsym;
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unsigned int ooutptr,ooutptrdata,opostsize;
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idrec *rec;
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ooutptr=outptr;
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ooutptrdata=outptrdata;
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opostsize=postsize;
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numname=head->COFFsize;
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size=numname*sizeof(IMAGE_SYMBOL)+head->pCOFF;
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listnamesymbol=(LISTNAMESYMBOL *)MALLOC(sizeof(LISTNAMESYMBOL)*numname);
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for(i=0,j=0;i<numname;i++){
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tsym=(IMAGE_SYMBOL *)(input+head->pCOFF+i*sizeof(IMAGE_SYMBOL));
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(listnamesymbol+j)->rec=0;
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if(tsym->SectionNumber>=0){
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(listnamesymbol+j)->idx=i;
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if(tsym->N.Name.Short==0){
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strcpy((char *)string,(char *)(input+size+tsym->N.Name.Long));
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}
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else{
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strncpy((char *)string,(char *)tsym->N.sname,8);
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string[8]=0;
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}
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//¯à¥®¡à §®¢ âì ¨¬ï
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ConvertName((char *)string);
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seg=(listnamesymbol+j)->seg=GetSegm(tsym->SectionNumber);
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// printf("find name \"%s\" seg=%d type=%d class=%d\n",(char *)string,seg,tsym->Type,tsym->StorageClass);
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(listnamesymbol+j)->adr=tsym->Value+GetOffSec(tsym->SectionNumber);
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(listnamesymbol+j)->dbg=0;
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strcpy((listnamesymbol+j)->name,(char *)string);
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if(seg==s_data){
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outptrdata=(listnamesymbol+j)->adr;//12.08.04 01:20 +ooutptrdata;
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count=FindOff(string,DS);
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}
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else if(seg==s_bss){
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postsize=(listnamesymbol+j)->adr;//12.08.04 01:20 +opostsize;
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count=FindOff(string,VARPOST);
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}
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else if(seg==s_code){
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outptr=(listnamesymbol+j)->adr;//11.08.04 23:59 +ooutptr;
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count=FindOff(string,CS);
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// printf("adr=%08X count=%d\n",outptr,count);
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}
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displaytokerrors=FALSE;
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if(searchtree2(treestart,&itok,&tok,string)){
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rec=(listnamesymbol+j)->rec=itok.rec;
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rec->count+=count;
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if(tok==tk_undefproc||tok==tk_declare){
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tok=tk_proc;
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itok.number=outptr;
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// printf("%08X %08X %s\n",(listnamesymbol+j)->adr,ooutptr,itok.name);
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updatecall(updatetree(),(unsigned int)itok.number,0);
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}
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else if(tok!=tk_apiproc&&tsym->SectionNumber!=0)idalreadydefined();
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// if(tok==tk_proc||(tok>=tk_charvar&&tok<=tk_floatvar))
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// printf("tok=%d %s\n",tok,itok.name);
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}
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else{
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if(seg==s_extern/*&&tsym->Type==32*/){ //¢¥è¨© ®¡ê¥ªâ «î¡®£® ⨯
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strcpy(itok.name,(char *)string);
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// printf("undef proc \"%s\"\n",itok.name);
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string[0]=0;
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itok.flag=(unsigned char)(tok==tk_ID?tp_fastcall:(comfile==file_w32?tp_stdcall:tp_pascal));
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tok=tk_undefproc;
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itok.number=secondcallnum;
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itok.segm=NOT_DYNAMIC;
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itok.rm=tk_void;
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itok.post=0;
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rec=(listnamesymbol+j)->rec=addtotree(itok.name);
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rec->count=count;
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secondcallnum++;
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}
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else{
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// printf("type=%d seg=%d\n",tsym->Type,seg);
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if(/*tsym->Type==32*/tsym->StorageClass!=3&&seg==s_code){
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tok=tk_proc;
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itok.number=outptr;
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itok.segm=NOT_DYNAMIC;
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itok.rm=tk_void;
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itok.post=0;
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strcpy(itok.name,(char *)string);
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string[0]=0;
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itok.flag=(unsigned char)(tok==tk_ID?tp_fastcall:(comfile==file_w32?tp_stdcall:tp_pascal));
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rec=(listnamesymbol+j)->rec=addtotree(itok.name);
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rec->count=count;
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}
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else{
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(listnamesymbol+j)->rec=NULL;
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// printf("undef \"%s\"\n",string);
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if(seg==s_extern){
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// puts("323");
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preerror(meserr);
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// printf("Type=%d Class=%d seg=%d %s\n",tsym->Type,tsym->StorageClass,seg,string);
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// printf("??? %s\n",string);
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}
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}
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}
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}
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// printf("Type=%d Class=%d %s\n",tsym->Type,tsym->StorageClass,string);
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j++;
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}
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i+=tsym->NumberOfAuxSymbols;
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}
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if(j!=numname){
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listnamesymbol=(LISTNAMESYMBOL *)REALLOC(listnamesymbol,sizeof(LISTNAMESYMBOL)*j);
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}
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outptr=ooutptr;
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outptrdata=ooutptrdata;
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postsize=opostsize;
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if(dbg&2)AddLstName(j);
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return j;
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}
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void LoadObj()
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{
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COFF_HEADER *head;
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int numobj,align,size,i,j,numrel;
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OBJECT_ENTRY *obj;
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unsigned char *buf;
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IMAGE_RELOCATION *trel;
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head=(COFF_HEADER *)input;
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if(head->cpu!=0x14C){
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sprintf((char *)string,"file %s is not supported format",curobjname);
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preerror((char *)string);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
if(comfile!=file_w32){
|
|
|
|
preerror("include obj file posible only for windows programs");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
linenumber=0;
|
|
|
|
numobj=head->numobj;
|
|
|
|
ScanSection(numobj);
|
|
|
|
numname=ScanName(head);
|
|
|
|
for(i=0;i<numobj;i++){
|
|
|
|
obj=(OBJECT_ENTRY *)(input+(sizeof(COFF_HEADER)+sizeof(OBJECT_ENTRY)*i));
|
|
|
|
align=GetAlighSize(obj->flags);
|
|
|
|
size=obj->psize;
|
|
|
|
adr_end=outptr+size;
|
|
|
|
numrel=obj->NumberOfRelocations;
|
|
|
|
trel=(IMAGE_RELOCATION *)(input+obj->PointerToRelocations);
|
|
|
|
buf=(unsigned char *)(input+obj->pOffset);
|
|
|
|
// printf("type=%d section=%d\n",(trel+j)->Type,obj->vsize);
|
|
|
|
switch(obj->vsize){
|
|
|
|
case s_code:
|
|
|
|
if(align)AlignCD(CS,align);
|
|
|
|
adr_end=Align(outptr+size,4);
|
|
|
|
for(j=0;j<numrel;j++){
|
|
|
|
int adr;
|
|
|
|
LISTNAMESYMBOL *lns;
|
|
|
|
int ii;
|
|
|
|
for(ii=0;ii<numname;ii++){
|
|
|
|
if((listnamesymbol+ii)->idx==(trel+j)->SymbolTableIndex)break;
|
|
|
|
}
|
|
|
|
lns=(LISTNAMESYMBOL *)(listnamesymbol+ii);
|
|
|
|
idrec *rec=lns->rec;
|
|
|
|
// printf("type=%d seg=%d tok=%d num=%d %s\n",(trel+j)->Type,lns->seg,rec->rectok,rec->recnumber,lns->name);
|
|
|
|
switch((trel+j)->Type){
|
|
|
|
case IMAGE_REL_I386_DIR32:
|
|
|
|
*(long *)&buf[(trel+j)->VirtualAddress]+=lns->adr;
|
|
|
|
switch(lns->seg){
|
|
|
|
case s_code:
|
|
|
|
adr=(trel+j)->VirtualAddress+outptr;
|
|
|
|
AddPost(adr,FIX_CODE32,0);
|
|
|
|
break;
|
|
|
|
case s_data:
|
|
|
|
adr=(trel+j)->VirtualAddress+outptrdata;
|
|
|
|
AddPost(adr,FIX_VAR32,0);
|
|
|
|
break;
|
|
|
|
case s_bss:
|
|
|
|
adr=(trel+j)->VirtualAddress+outptr;
|
|
|
|
AddPost(adr,POST_VAR32,0);
|
|
|
|
*(long *)&buf[(trel+j)->VirtualAddress]+=postsize;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
if(rec!=NULL){
|
|
|
|
adr=(trel+j)->VirtualAddress+outptr;
|
|
|
|
if(rec->rectok==tk_apiproc){
|
|
|
|
AddPost(adr,CALL_32I,rec->recnumber);
|
|
|
|
}
|
|
|
|
else if(rec->rectok==tk_undefproc){
|
|
|
|
AddPost(adr,CALL_32,rec->recnumber);
|
|
|
|
}
|
|
|
|
else if(rec->rectok==tk_proc){
|
|
|
|
AddPost(adr,FIX_CODE_ADD,adr_end);
|
|
|
|
AddPost(adr_end,FIX_CODE32,0);
|
|
|
|
if(dbg&2){
|
|
|
|
int ooutptr=outptr;
|
|
|
|
outptr=adr_end;
|
|
|
|
AddDataNullLine(4,lns->name);
|
|
|
|
outptr=ooutptr;
|
|
|
|
}
|
|
|
|
*(long *)&output[adr_end]=rec->recnumber;
|
|
|
|
adr_end+=4;
|
|
|
|
}
|
|
|
|
rec->count++;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case IMAGE_REL_I386_REL32:
|
|
|
|
adr=(trel+j)->VirtualAddress+outptr;
|
|
|
|
if(rec!=NULL){
|
|
|
|
if(rec->rectok!=tk_proc){
|
|
|
|
AddPost(adr,CALL_32,rec->recnumber);
|
|
|
|
}
|
|
|
|
else{
|
|
|
|
*(long *)&buf[(trel+j)->VirtualAddress]=rec->recnumber-adr-4;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else{
|
|
|
|
*(long *)&buf[(trel+j)->VirtualAddress]=lns->adr-adr-4;
|
|
|
|
}
|
|
|
|
if(rec)rec->count++;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
// puts("432");
|
|
|
|
preerror(meserr);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* if(dbg&2){
|
|
|
|
sprintf((char *)string,"code from %s",curobjname);
|
|
|
|
AddCodeNullLine((char *)string);
|
|
|
|
}*/
|
|
|
|
for(j=0;j<size;j++)op(buf[j]);
|
|
|
|
outptr=adr_end;
|
|
|
|
break;
|
|
|
|
case s_data:
|
|
|
|
if(align)AlignCD(DS,align);
|
|
|
|
for(j=0;j<numrel;j++){
|
|
|
|
int adr;
|
|
|
|
LISTNAMESYMBOL *lns;
|
|
|
|
int ii;
|
|
|
|
for(ii=0;ii<numname;ii++){
|
|
|
|
if((listnamesymbol+ii)->idx==(trel+j)->SymbolTableIndex)break;
|
|
|
|
}
|
|
|
|
lns=(LISTNAMESYMBOL *)(listnamesymbol+ii);
|
|
|
|
idrec *rec=lns->rec;
|
|
|
|
switch((trel+j)->Type){
|
|
|
|
case IMAGE_REL_I386_DIR32:
|
|
|
|
*(long *)&buf[(trel+j)->VirtualAddress]+=lns->adr;
|
|
|
|
switch(lns->seg){
|
|
|
|
case s_code:
|
|
|
|
adr=(trel+j)->VirtualAddress+outptr;
|
|
|
|
AddPost(adr,FIX_CODE32,0);
|
|
|
|
break;
|
|
|
|
case s_data:
|
|
|
|
adr=(trel+j)->VirtualAddress+outptrdata;
|
|
|
|
AddPost(adr,FIX_VAR32,0);
|
|
|
|
break;
|
|
|
|
case s_bss:
|
|
|
|
adr=(trel+j)->VirtualAddress+outptr;
|
|
|
|
AddPost(adr,POST_VAR32,0);
|
|
|
|
*(long *)&buf[(trel+j)->VirtualAddress]+=postsize;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
// puts("472");
|
|
|
|
preerror(meserr);
|
|
|
|
/* if(rec!=NULL){
|
|
|
|
adr=(trel+j)->VirtualAddress+outptr;
|
|
|
|
if(rec->rectok==tk_apiproc){
|
|
|
|
AddPost(adr,CALL_32I,rec->recnumber);
|
|
|
|
}
|
|
|
|
else if(rec->rectok==tk_undefproc){
|
|
|
|
AddPost(adr,CALL_32,rec->recnumber);
|
|
|
|
}
|
|
|
|
rec->count++;
|
|
|
|
}*/
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case IMAGE_REL_I386_REL32:
|
|
|
|
// puts("488");
|
|
|
|
preerror(meserr);
|
|
|
|
/* adr=(trel+j)->VirtualAddress+outptr;
|
|
|
|
if(rec!=NULL){
|
|
|
|
if(rec->rectok!=tk_proc){
|
|
|
|
AddPost(adr,CALL_32,rec->recnumber);
|
|
|
|
}
|
|
|
|
else{
|
|
|
|
*(long *)&buf[(trel+j)->VirtualAddress]=rec->recnumber-adr-4;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else{
|
|
|
|
*(long *)&buf[(trel+j)->VirtualAddress]=lns->adr-adr-4;
|
|
|
|
}
|
|
|
|
if(rec)rec->count++;*/
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
for(j=0;j<size;j++)opd(buf[j]);
|
|
|
|
break;
|
|
|
|
case s_bss:
|
|
|
|
if(align)postsize=Align(postsize,align);
|
|
|
|
postsize+=size;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|