// Process function
void processFunction(func_t *f)
{
// Skip tiny functions
if(f->size() >= 5)
{
// Don't add comments to API wrappers
char name[MAXNAMELEN]; name[0] = name[SIZESTR(name)] = 0;
if(!apiMap.empty())
{
if(get_short_name(BADADDR, f->startEA, name, SIZESTR(name)))
{
if(apiMap.find(name) != apiMap.end())
return;
}
}
// Iterate function body
STRLIST importLstTmp;
LPSTR commentPtr = NULL;
char comment[MAXSTR]; comment[0] = comment[SIZESTR(comment)] = 0;
UINT commentLen = 0;
#define ADDNM(_str) { UINT l = strlen(_str); memcpy(comment + commentLen, _str, l); commentLen += l; _ASSERT(commentLen < MAXSTR); }
func_item_iterator_t it(f);
do
{
ea_t currentEA = it.current();
// Will be a "to" xref
xrefblk_t xb;
if(xb.first_from(currentEA, XREF_FAR))
{
BOOL isImpFunc = FALSE;
name[0] = 0;
// If in import segment
// ============================================================================================
ea_t refAdrEa = xb.to;
if(isInImportSeg(refAdrEa))
{
flags_t flags = get_flags_novalue(refAdrEa);
if(has_name(flags) && hasRef(flags) && isDwrd(flags))
{
if(get_short_name(BADADDR, refAdrEa, name, SIZESTR(name)))
{
// Nix the imp prefix if there is one
if(strncmp(name, "__imp_", SIZESTR("__imp_")) == 0)
memmove(name, name + SIZESTR("__imp_"), ((strlen(name) - SIZESTR("__imp_")) + 1));
isImpFunc = TRUE;
}
else
msg(EAFORMAT" *** Failed to get import name! ***\n", refAdrEa);
}
}
// Else, check for import wrapper
// ============================================================================================
else
if(!apiMap.empty())
{
// Reference is a function entry?
flags_t flags = get_flags_novalue(refAdrEa);
if(isCode(flags) && has_name(flags) && hasRef(flags))
{
if(func_t *refFuncPtr = get_func(refAdrEa))
{
if(refFuncPtr->startEA == refAdrEa)
{
if(get_short_name(BADADDR, refAdrEa, name, SIZESTR(name)))
{
// Skip common unwanted types "sub_.." or "unknown_libname_.."
if(
// not "sub_..
/*"sub_"*/ (*((PUINT) name) != 0x5F627573) &&
// not "unknown_libname_..
/*"unknown_"*/ ((*((PUINT64) name) != 0x5F6E776F6E6B6E75) && (*((PUINT64) (name + 8)) != /*"libname_"*/ 0x5F656D616E62696C)) &&
// not nullsub_..
/*"nullsub_"*/ (*((PUINT64) name) != 0x5F6275736C6C756E)
)
{
// Nix the import prefixes
if(strncmp(name, "__imp_", SIZESTR("__imp_")) == 0)
memmove(name, name + SIZESTR("__imp_"), ((strlen(name) - SIZESTR("__imp_")) + 1));
// Assumed to be a wrapped import if it's in the list
isImpFunc = (apiMap.find(name) != apiMap.end());
}
}
else
msg(EAFORMAT" *** Failed to get function name! ***\n", refAdrEa);
}
}
}
}
// Found import function to add list
if(isImpFunc)
{
// Skip those large common STL names
if(strncmp(name, "std::", SIZESTR("std::")) != 0)
{
// Skip if already seen in this function
BOOL known = FALSE;
for(STRLIST::iterator ji = importLstTmp.begin(); ji != importLstTmp.end(); ji++)
{
if(strcmp(ji->c_str(), name) == 0)
{
known = TRUE;
break;
}
}
// Not seen
if(!known)
{
importLstTmp.push_front(name);
// Append to existing comments w/line feed
if(!commentLen && !commentPtr)
{
commentPtr = get_func_cmt(f, true);
if(!commentPtr)
get_func_cmt(f, false);
if(commentPtr)
{
commentLen = strlen(commentPtr);
// Bail out not enough comment space
if(commentLen >= (MAXSTR - 20))
{
qfree(commentPtr);
return;
}
memcpy(comment, commentPtr, commentLen);
ADDNM("\n"MYTAG);
}
}
if(!commentLen)
ADDNM(MYTAG);
// Append a "..." (continuation) and bail out if name hits max comment length
if((commentLen + strlen(name) + SIZESTR("()") + sizeof(", ")) >= (MAXSTR - sizeof("...")))
{
ADDNM(" ...");
break;
}
// Append this function name
else
{
if(importLstTmp.size() != 1)
ADDNM(", ");
ADDNM(name); ADDNM("()");
}
}
}
else
{
//msg("%s\n", szName);
}
}
}
}while(it.next_addr());
if(!importLstTmp.empty() && commentLen)
{
// Add comment
comment[commentLen] = 0;
set_func_cmt(f, comment, true);
commentCount++;
}
if(commentPtr)
qfree(commentPtr);
}
}
