void
EmitCvPublics (
PIMAGE pimage,
PCVINFO CvInfo
)
/*++
Routine Description:
Writes the cv publics to disk.
Arguments:
PtrExtern - Pointer to external structure.
Return Value:
None.
--*/
{
SHORT isecAbsolute = (SHORT) (pimage->ImgFileHdr.NumberOfSections + 1);
LEXT *plext;
LEXT *plextNext;
for (plext = CvInfo->pmod->plextPublic; plext != NULL; plext = plextNext) {
EmitOneCvPublic(pimage, plext->pext, isecAbsolute);
plextNext = plext->plextNext;
FreePv(plext);
}
// Walk the common vars which this module saw first, and emit public
// records for them here.
while (CvInfo->pmod->plextCommon != NULL) {
LEXT *plext = CvInfo->pmod->plextCommon;
// Make sure the symbol is still COMMON and defined
if ((plext->pext->Flags & (EXTERN_DEFINED | EXTERN_COMMON)) ==
(EXTERN_DEFINED | EXTERN_COMMON))
{
EmitOneCvPublic(pimage, plext->pext, isecAbsolute);
}
CvInfo->pmod->plextCommon = plext->plextNext;
FreePv(plext);
}
}
//-----------------------------------------------------------------------------
// Memory deallocation
//-----------------------------------------------------------------------------
void CUtlMemoryBase::Purge()
{
if ( !IsExternallyAllocated() )
{
if (m_pMemory)
{
UTLMEMORY_TRACK_FREE();
FreePv( m_pMemory );
m_pMemory = 0;
}
m_nAllocationCount = 0;
}
}
void
SetDefinedExt(PEXTERNAL pext, BOOL fNowDefined, PST pst)
{
if (!!(pext->Flags & EXTERN_DEFINED) == !!fNowDefined) {
return; // already in desired state
}
if (fNowDefined) {
if (!fINCR && pext->Flags & EXTERN_MULT_REFS) {
// Free the list of modules which referenced this symbol (on a non-ilink)
while (pext->pmodsFirst != NULL) {
PMODS pmods = pext->pmodsFirst;
pext->pmodsFirst = pmods->pmodsNext;
FreePv(pmods);
}
pext->Flags &= ~EXTERN_MULT_REFS;
}
pext->Flags |= EXTERN_DEFINED;
if (pext->pextNextUndefined != NULL) {
pext->pextNextUndefined->ppextPrevUndefined =
pext->ppextPrevUndefined;
}
*pext->ppextPrevUndefined = pext->pextNextUndefined;
if (pst->ppextLastUndefined == &pext->pextNextUndefined) {
pst->ppextLastUndefined = pext->ppextPrevUndefined;
}
// bug trap -- not strictly necessary
pext->ppextPrevUndefined = NULL;
pext->pextNextUndefined = NULL;
} else {
PEXTERNAL *ppextLoc;
pext->Flags &= ~EXTERN_DEFINED;
// Add the symbol to a link list of external symbols. The list is
// doubly linked to support deletion.
ppextLoc = pst->ppextLastUndefined;
assert(*ppextLoc == NULL ||
(*ppextLoc)->ppextPrevUndefined == ppextLoc);
pext->pextNextUndefined = *ppextLoc;
pext->ppextPrevUndefined = ppextLoc;
*ppextLoc = pext;
if (pext->pextNextUndefined != NULL) {
pext->pextNextUndefined->ppextPrevUndefined =
&pext->pextNextUndefined;
}
if (pst->ppextLastUndefined == ppextLoc) {
pst->ppextLastUndefined = &pext->pextNextUndefined;
}
// on an ilink we want to keep the list of references
if (!fINCR) {
pext->pmodOnly = NULL; // no references to this external
}
}
}
void
EmitCvInfo (
PIMAGE pimage)
/*++
Routine Description:
Arguments:
None.
Return Value:
None.
--*/
{
WORD i;
DWORD li;
DWORD lj;
DWORD nameLen;
DWORD numSubsections;
DWORD numLocals = 0;
DWORD numTypes = 0;
DWORD numLinenums = 0;
DWORD libStartSeek;
DWORD libEndSeek;
DWORD segTableStartSeek;
DWORD segTableEndSeek;
BYTE cbFilename;
char *szFilename;
ENM_SEC enm_sec;
ENM_LIB enm_lib;
PSEC psec;
PLIB plib;
DWORD csstPublicSym;
DWORD cSstSrcModule=0;
struct {
WORD cbDirHeader;
WORD cbDirEntry;
DWORD cDir;
DWORD lfoNextDir;
DWORD flags;
} dirHdr;
struct {
WORD subsection;
WORD imod;
DWORD lfo;
DWORD cb;
} subDir;
struct {
WORD ovlNumber;
WORD iLib;
WORD cSeg;
WORD style;
} entry;
struct {
WORD seg;
WORD pad;
DWORD offset;
DWORD cbSeg;
} entrySegArray;
struct {
WORD flags;
WORD iovl;
WORD igr;
WORD isgPhy;
WORD isegName;
WORD iClassName;
DWORD segOffset;
DWORD cbSeg;
} segTable;
// Count the number of sstSymbols, sstTypes, sstSrcLnSeg
// we have gathered from the object files.
for (li = 0; li < NextCvObject; li++) {
if (CvInfo[li].Locals.PointerToSubsection) {
++numLocals;
}
if (CvInfo[li].Types.PointerToSubsection) {
++numTypes;
}
if (CvInfo[li].Linenumbers.PointerToSubsection) {
++numLinenums;
}
}
// Emit the sstModule subsection.
entry.ovlNumber = 0;
entry.style = 0x5643; // "CV"
for (li = 0; li < NextCvObject; li++) {
CVSEG *pcvseg = PcvsegMapPmod(CvInfo[li].pmod, &entry.cSeg, pimage);
WORD icvseg;
szFilename = CvInfo[li].ObjectFilename;
cbFilename = (BYTE) strlen(szFilename);
nameLen = cbFilename;
i = 0;
if (FIsLibPMOD(CvInfo[li].pmod)) {
InitEnmLib(&enm_lib, pimage->libs.plibHead);
while (FNextEnmLib(&enm_lib)) {
plib = enm_lib.plib;
if (plib->szName != NULL) {
// Only named libraries are counted
i++;
if (plib == CvInfo[li].pmod->plibBack) {
break;
}
}
}
EndEnmLib(&enm_lib);
}
entry.iLib = i;
CvInfo[li].Module.PointerToSubsection = FileTell(FileWriteHandle);
FileWrite(FileWriteHandle, &entry, sizeof(entry));
// Generate the section array for this sstModule.
for (icvseg = 0; icvseg < entry.cSeg; icvseg++) {
CVSEG *pcvsegNext;
entrySegArray.seg = PsecPCON(pcvseg->pconFirst)->isec;
entrySegArray.pad = 0;
entrySegArray.offset = pcvseg->pconFirst->rva -
PsecPCON(pcvseg->pconFirst)->rva;
entrySegArray.cbSeg =
(pcvseg->pconLast->rva + pcvseg->pconLast->cbRawData) -
pcvseg->pconFirst->rva;
FileWrite(FileWriteHandle, &entrySegArray, sizeof(entrySegArray));
pcvsegNext = pcvseg->pcvsegNext;
FreePv(pcvseg);
pcvseg = pcvsegNext;
}
assert(pcvseg == NULL);
FileWrite(FileWriteHandle, &cbFilename, sizeof(BYTE));
FileWrite(FileWriteHandle, szFilename, nameLen);
CvInfo[li].Module.SizeOfSubsection =
FileTell(FileWriteHandle) - CvInfo[li].Module.PointerToSubsection;
}
// Emit the sstPublicSym subsection.
csstPublicSym = 0; // actual number of such subsections
ChainCvPublics(pimage);
for (li = 0; li < NextCvObject; li++) {
DWORD icvOther;
if (CvInfo[li].Publics.PointerToSubsection == 0xFFFFFFFF) {
// This is a dup of another module that has been emitted
CvInfo[li].Publics.PointerToSubsection = 0;
continue;
}
csstPublicSym++;
CvInfo[li].Publics.PointerToSubsection = FileTell(FileWriteHandle);
// Write signature
lj = 1;
FileWrite(FileWriteHandle, &lj, sizeof(DWORD));
EmitCvPublics(pimage, &CvInfo[li]);
if (FIsLibPMOD(CvInfo[li].pmod)) {
for (icvOther = li + 1; icvOther < NextCvObject; icvOther++) {
// Emit this module if
// (Module is from same library as current module AND
// Module has the same name as the current module)
if (CvInfo[li].pmod->plibBack != CvInfo[icvOther].pmod->plibBack) {
continue;
}
if (strcmp(CvInfo[li].ObjectFilename, CvInfo[icvOther].ObjectFilename) != 0) {
continue;
}
EmitCvPublics(pimage, &CvInfo[icvOther]);
CvInfo[icvOther].Publics.PointerToSubsection = 0xFFFFFFFF;
}
}
CvInfo[li].Publics.SizeOfSubsection =
FileTell(FileWriteHandle) - CvInfo[li].Publics.PointerToSubsection;
}
// The sstSymbols and sstTypes subsections have already been
// emitted directly from the object files. The sstSrcLnSeg
// have also been emitted indirectly from the object files.
// Emit the sstLibraries subsection.
libStartSeek = FileTell(FileWriteHandle);
nameLen = 0;
FileWrite(FileWriteHandle, &nameLen, sizeof(BYTE));
InitEnmLib(&enm_lib, pimage->libs.plibHead);
while (FNextEnmLib(&enm_lib)) {
plib = enm_lib.plib;
if (plib->szName != NULL) {
nameLen = (BYTE) strlen(plib->szName);
FileWrite(FileWriteHandle, &nameLen, sizeof(BYTE));
FileWrite(FileWriteHandle, plib->szName, nameLen);
}
}
libEndSeek = FileTell(FileWriteHandle);
// Emit the sstSegTable subsection.
segTableStartSeek = FileTell(FileWriteHandle);
i = (WORD) (pimage->ImgFileHdr.NumberOfSections + 1);
FileWrite(FileWriteHandle, &i, sizeof(WORD));
FileWrite(FileWriteHandle, &i, sizeof(WORD));
segTable.iovl = 0;
segTable.igr = 0;
for (i = 1; i <= pimage->ImgFileHdr.NumberOfSections; i++) {
InitEnmSec(&enm_sec, &pimage->secs);
while (FNextEnmSec(&enm_sec)) {
psec = enm_sec.psec;
if (psec->isec == i) {
break;
}
}
EndEnmSec(&enm_sec);
segTable.flags = 0x0108;
if (psec->flags & IMAGE_SCN_MEM_READ) {
segTable.flags |= 0x1;
}
if (psec->flags & IMAGE_SCN_MEM_WRITE) {
segTable.flags |= 0x2;
}
if (psec->flags & IMAGE_SCN_MEM_EXECUTE) {
segTable.flags |= 0x4;
}
// In the case of M68K pass the MacResource number
// instead of the actual section number.
segTable.isgPhy = fM68K ? psec->iResMac : i;
segTable.isegName = 0xffff; // No name
segTable.iClassName = 0xffff; // No name
// If it is M68K and the psec->iResMac is 0, then
// provide the offset from the beginning of the data0
segTable.segOffset = fM68K ? psec->dwM68KDataOffset : 0;
segTable.cbSeg = psec->cbVirtualSize;
FileWrite(FileWriteHandle, &segTable, sizeof(segTable));
}
// Write another sstSegMap entry for all absolute symbols.
segTable.flags = 0x0208; // absolute
segTable.isgPhy = 0;
segTable.isegName = 0xffff; // No name
segTable.iClassName = 0xffff; // No name
segTable.cbSeg = 0xffffffff; // Allow full 32 bit range
FileWrite(FileWriteHandle, &segTable, sizeof(segTable));
segTableEndSeek = FileTell(FileWriteHandle);
// Write SstSrcModul entries
for(li = 0; li < NextCvObject; li++) // for each module
{
if (CvInfo[li].pmod->pModDebugInfoApi == NULL) {
// Don't write linenumber records if there aren't any
CvInfo[li].pmod->PointerToSubsection = 0;
} else {
CvInfo[li].pmod->PointerToSubsection = FileTell(FileWriteHandle);
FileWrite(FileWriteHandle,CvInfo[li].pmod->pSstSrcModInfo,CvInfo[li].pmod->cbSstSrcModInfo);
cSstSrcModule++;
}
}
// Emit the Subsection directory.
CvSeeks.SubsectionDir = FileTell(FileWriteHandle);
// We'll have a sstModule for every object, an sstPublicSym for every
// object with a unique name, and optionaly some
// sstSymbols and sstTypes.
numSubsections = NextCvObject + csstPublicSym +
numLocals +
numTypes +
numLinenums +
cSstSrcModule +
2; // include sstLibraries & sstSegTable
dirHdr.cbDirHeader = sizeof(dirHdr);
dirHdr.cbDirEntry = sizeof(subDir);
dirHdr.cDir = numSubsections;
dirHdr.lfoNextDir = 0;
dirHdr.flags = 0;
FileWrite(FileWriteHandle, &dirHdr, sizeof(dirHdr));
// Emit the sstModule entries.
subDir.subsection = 0x120;
for (li = 0; li < NextCvObject; li++) {
subDir.imod = (WORD)(li + 1);
subDir.lfo = CvInfo[li].Module.PointerToSubsection - CvSeeks.Base;
subDir.cb = CvInfo[li].Module.SizeOfSubsection;
FileWrite(FileWriteHandle, &subDir, sizeof(subDir));
}
// Emit the sstPublicSym entries.
subDir.subsection = 0x123; // sstPublicSym
for (li = 0; li < NextCvObject; li++) {
if (CvInfo[li].Publics.PointerToSubsection == 0) {
// this module doesn't have one (duplicate name)
continue;
}
subDir.imod = (WORD)(li + 1);
subDir.lfo = CvInfo[li].Publics.PointerToSubsection - CvSeeks.Base;
subDir.cb = CvInfo[li].Publics.SizeOfSubsection;
FileWrite(FileWriteHandle, &subDir, sizeof(subDir));
}
// Emit the sstSymbols entries.
subDir.subsection = 0x124; // sstSymbols
for (li = 0; li < NextCvObject; li++) {
if (CvInfo[li].Locals.PointerToSubsection) {
subDir.imod = (WORD)(li + 1);
subDir.lfo = CvInfo[li].Locals.PointerToSubsection - CvSeeks.Base;
subDir.cb = CvInfo[li].Locals.SizeOfSubsection;
FileWrite(FileWriteHandle, &subDir, sizeof(subDir));
}
}
// Emit the SstSrcModule entries
subDir.subsection=0x127; // SstSrcModule
for(li = 0; li < NextCvObject ; li++) {
if (CvInfo[li].pmod->PointerToSubsection) {
subDir.imod = (WORD)(li + 1);
subDir.lfo = CvInfo[li].pmod->PointerToSubsection - CvSeeks.Base;
subDir.cb = CvInfo[li].pmod->cbSstSrcModInfo;
FileWrite(FileWriteHandle,&subDir,sizeof(subDir));
}
}
// Emit the sstTypes entries.
for (li = 0; li < NextCvObject; li++) {
if (CvInfo[li].Types.PointerToSubsection) {
subDir.subsection = (WORD) (CvInfo[li].Types.Precompiled ? 0x12f : 0x121);
subDir.imod = (WORD)(li + 1);
subDir.lfo = CvInfo[li].Types.PointerToSubsection - CvSeeks.Base;
subDir.cb = CvInfo[li].Types.SizeOfSubsection;
FileWrite(FileWriteHandle, &subDir, sizeof(subDir));
}
}
// Emit the sstLibraries entry.
subDir.subsection = 0x128;
subDir.imod = 0xffff; // -1
subDir.lfo = libStartSeek - CvSeeks.Base;
subDir.cb = libEndSeek - libStartSeek;
FileWrite(FileWriteHandle, &subDir, sizeof(subDir));
// Emit the sstSegTable entry.
subDir.subsection = 0x12d;
subDir.imod = 0xffff; // -1
subDir.lfo = segTableStartSeek - CvSeeks.Base;
subDir.cb = segTableEndSeek - segTableStartSeek;
FileWrite(FileWriteHandle, &subDir, sizeof(subDir));
}