298 lines
6.2 KiB
C++
298 lines
6.2 KiB
C++
I64 HasLower(U8 *src)
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{
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U8 ch;
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while (ch=*src++)
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if ('a'<=ch<='z')
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return TRUE;
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return FALSE;
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}
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CHash *PSectFind(U8 *add,I64 *_offset)
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{ //See $LK,"::/TempleOS/Kernel/Hash1a.CPP","FL:::/TempleOS/Kernel/Hash1a.CPP,1"$
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CHash *result=NULL;
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CHashExport *tempex;
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Bool has_lower=FALSE;
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CHashTable *h=Fs->hash_table;
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U64 best=0xFFFF,j;
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if (!ChkCodePtr(add)) {
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*_offset=best;
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return NULL;
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}
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while (h) {
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tempex=h->next_added;
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while (tempex!=h) {
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j=0;
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if (tempex->type&HTT_FUN) {
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if (!Bt(&tempex(CHashFun *)->flags,Cf_EXTERN) &&
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!Bt(&tempex(CHashFun *)->flags,Ff_INTERNAL))
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j=tempex(CHashFun *)->executable_addr;
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} else if (tempex->type&HTT_EXPORT_SYS_SYM)
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j=tempex->val;
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if (j) {
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j=add(I64)-j;
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if (0<=j<=best) {
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if (tempex->type&HTT_EXPORT_SYS_SYM) {
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if (j<best || j==best && !has_lower) {
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has_lower=HasLower(tempex->str);
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best=j;
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result=tempex;
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}
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} else if (tempex->type&HTT_FUN) {
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if (j<best || j==best &&
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(result && result->type&HTT_EXPORT_SYS_SYM||!has_lower)) {
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has_lower=HasLower(tempex->str);
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best=j;
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result=tempex;
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}
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}
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}
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}
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tempex=tempex->next_added;
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}
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h=h->next;
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}
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*_offset=best;
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return result;
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}
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U0 PSectCacheAdd(CHash *temps,U8 *add)
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{
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I64 i;
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CDbgInfo *dbg;
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Bool old_preempt;
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CPSectCache *temppc;
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if (temps && temps->type&HTT_FUN &&
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(dbg=temps(CHashFun *)->debug)) {
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old_preempt=Preempt(OFF);
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lock {i=psect_cache_index++;}
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temppc=&psect_cache[i&(PSECT_CACHE_SIZE-1)];
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temppc->base=dbg->body[0];
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if (add<temppc->base)
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temppc->base=add;
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temppc->limit=dbg->body[dbg->max_line-dbg->min_line];
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if (add>=temppc->limit)
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temppc->limit=add(I64)+1;
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i=MinI64(StrLen(temps->str),PSECT_CACHE_STR_LEN-1);
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MemCpy(temppc->str,temps->str,i);
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temppc->str[i]=0;
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temppc->time_stamp=tS;
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Preempt(old_preempt);
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}
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}
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U8 *PSectCacheFind(U8 *add,I64 *_offset)
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{
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I64 i;
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F64 timeout;
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CPSectCache *temppc=psect_cache;
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if (add==SYS_IDLE_PT) {
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*_offset=0;
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return "SYS_IDLE_PT";
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} else {
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timeout=tS+8.0;
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for (i=0;i<PSECT_CACHE_SIZE;i++,temppc++)
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if (temppc->base<=add<temppc->limit &&
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temppc->time_stamp>timeout) {
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*_offset=add-temppc->base;
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return temppc->str;
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}
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return NULL;
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}
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}
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U0 SPrintPSect(U8 *buf,I64 add,I64 field_len)
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{
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I64 offset;
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CHashExport *tempex;
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U8 *str,*str2;
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Bool is_fun=FALSE;
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if (add) {
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if (str=PSectCacheFind(add,&offset)) {
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if (add!=SYS_IDLE_PT)
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is_fun=TRUE;
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} else {
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if (tempex=PSectFind(add,&offset)) {
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if (tempex->type&HTT_FUN)
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is_fun=TRUE;
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PSectCacheAdd(tempex,add);
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str=tempex->str;
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}
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}
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if (str) {
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if (offset>0xFFFF) offset=0xFFFF;
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if (is_fun) {
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str2=MPrint("&%s",str);
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if (field_len>7)
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SPrint(buf,"%*ts+0x%04X",field_len-7,str2,offset);
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else
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SPrint(buf,"%s+0x%04X",str2,offset);
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Free(str2);
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} else {
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if (field_len>7)
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SPrint(buf,"%*ts+0x%04X",field_len-7,str,offset);
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else
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SPrint(buf,"%s+0x%04X",str,offset);
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}
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return;
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}
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}
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if (field_len)
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SPrint(buf,"%*tX",field_len,add);
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else
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SPrint(buf,"%X",add);
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}
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I64 SrcLineNum(U8 *add,I64 cnt=1)
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{
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CHashSrcSym *temph;
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I64 cur_line,first_line,last_line,num_lines,offset;
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CDbgInfo *dbg;
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U8 **body,*src,*src2;
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if (temph=PSectFind(add,&offset)) {
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if (temph->type&(HTT_FUN|HTT_EXPORT_SYS_SYM)) {
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if (dbg=temph->debug) {
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num_lines=dbg->max_line-dbg->min_line+1;
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body=dbg->body;
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//find first nonzero
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first_line=0;
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while (!body[first_line]) {
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first_line++;
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if (first_line>=num_lines)
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return -1;
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}
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//find last nonzero
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last_line=num_lines-1;
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while (!body[last_line] && last_line>first_line)
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last_line--;
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//interpolate to guess line num
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cur_line=LimitI64(ToF64(add-body[first_line])*(last_line-first_line+1)/
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(body[last_line]-body[first_line]+1),first_line,last_line);
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//retreat while too high
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while ((!body[cur_line] || body[cur_line]>=add) && cur_line>first_line)
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cur_line--;
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//advance while to low
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while ((!body[cur_line] || body[cur_line]<add) && cur_line<last_line)
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cur_line++;
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if (add<body[cur_line]+cnt)
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return cur_line+dbg->min_line;
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} else if (temph->src_link) {
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src =StrNew(temph->src_link);
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src2=StrNew(temph->src_link);
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StrLastRem(src,",",src2);
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cur_line=A2I(src2);
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Free(src);
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Free(src2);
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return cur_line;
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}
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}
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}
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return -1;
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}
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U8 *SrcFileName(U8 *add,I64 cnt=1,CTask *mem_task=NULL)
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{
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CHashSrcSym *temph;
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I64 i,j,ii,offset,best=NULL,d,best_d;
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CDbgInfo *dbg;
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U8 **body,*src;
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if (temph=PSectFind(add,&offset)) {
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if (temph->type&(HTT_FUN|HTT_EXPORT_SYS_SYM)) {
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if (dbg=temph->debug) {
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j=dbg->max_line-dbg->min_line+1;
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body=dbg->body;
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best_d=MAX_I64;
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for (i=0;i<j;i++) {
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if (0<body[i]<=add<body[i]+cnt) {
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ii=i+1;
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while (!body[ii])
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ii++;
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if (add<body[ii]) {
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d=add(I64)-body[i];
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if (d<best_d) {
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best_d=d;
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best=temph->src_link;
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}
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}
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}
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}
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} else
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best=temph->src_link;
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}
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}
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if (best) {
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src=StrNew(best,mem_task);
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StrFirstRem(src,":");
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StrLastRem(src,",");
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return src;
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} else
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return NULL;
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}
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U8 *SrcEdLink(U8 *add,I64 cnt=1,CTask *mem_task=NULL)
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{
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U8 *filename,*st,*st2;
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I64 linenum;
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if (filename=SrcFileName(add,cnt)) {
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linenum=SrcLineNum(add,cnt);
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if (linenum<1)
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linenum=1;
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st2=MPrint("FL:%s,%d",filename,linenum);
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Free(filename);
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st=StrNew(st2,mem_task);
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Free(st2);
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return st;
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}
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return NULL;
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}
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Bool PutSrcLink(U8 *add,I64 cnt=1,U8 *buf=NULL)
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{
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U8 *src;
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if (src=SrcEdLink(add,cnt)) {
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if (buf)
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SPrint(buf,"$$LK,\"%P\",\"%s\"$$",add,src);
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else
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"$$LK,\"%P\",\"%s\"$$",add,src;
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Free(src);
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return TRUE;
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} else if (buf)
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*buf=0;
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return FALSE;
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}
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U0 E(U8 *add,I64 cnt=512,I64 ed_flags=0)
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{//Edit src at add
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U8 *st;
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if (st=SrcEdLink(add,cnt)) {
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if (IsRaw)
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EdLiteFileLine(st);
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else
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Ed(st,ed_flags);
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Free(st);
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}
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}
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U0 Man(U8 *st)
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//Edit src code for sym
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{
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U8 **st2;
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CHashSrcSym *temph;
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if (IsRaw) {
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if ((temph=HashFind(st,Fs->hash_table,HTG_SRC_SYM)) && temph->src_link)
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EdLiteFileLine(temph->src_link);
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} else {
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st2=MPrint("MN:%s",st);
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Ed(st2);
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Free(st2);
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}
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}
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