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kolibrios/programs/develop/cmm/libobj.cpp
GerdtR 6bd5a354f5 Added source files C--. 
git-svn-id: svn://kolibrios.org@6446 a494cfbc-eb01-0410-851d-a64ba20cac60
2016-06-13 02:07:22 +00:00

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