You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
414 lines
16 KiB
414 lines
16 KiB
/* SCCSID = %W% %E% */
|
|
/*
|
|
* Copyright Microsoft Corporation, 1983-1987
|
|
*
|
|
* This Module contains Proprietary Information of Microsoft
|
|
* Corporation and should be treated as Confidential.
|
|
*/
|
|
|
|
/* Various tools, e.g. environment for libs. */
|
|
|
|
/****************************************************************
|
|
* *
|
|
* NEWPAR.C *
|
|
* *
|
|
****************************************************************/
|
|
|
|
#include <minlit.h> /* Types and constants */
|
|
#include <bndtrn.h> /* Types and constants */
|
|
#include <bndrel.h> /* Types and constants */
|
|
#include <lnkio.h> /* Linker I/O definitions */
|
|
#include <lnkmsg.h> /* Error messages */
|
|
#include <extern.h> /* External declarations */
|
|
|
|
/*
|
|
* LOCAL FUNCTION PROTOTYPES
|
|
*/
|
|
|
|
LOCAL WORD NEAR TrailChar(unsigned char *psb,unsigned char b);
|
|
|
|
|
|
|
|
/*
|
|
* SaveInput - save an input object module in the list if it's not
|
|
* already there
|
|
*
|
|
* RETURNS
|
|
* TRUE if module was saved
|
|
* FALSE if module was not saved
|
|
*/
|
|
|
|
WORD SaveInput(psbFile,lfa,ifh,iov)
|
|
BYTE *psbFile; /* File name */
|
|
LFATYPE lfa; /* File address */
|
|
WORD ifh; /* Library number */
|
|
WORD iov; /* Overlay number */
|
|
{
|
|
APROPFILEPTR papropFile;
|
|
RBTYPE rpropFilePrev;
|
|
#if OSXENIX
|
|
FTYPE fSave;
|
|
#endif
|
|
#if BIGSYM
|
|
SBTYPE sbFile; /* Buffer to hold psbFile */
|
|
#endif
|
|
|
|
#if DEBUG /* If debugging on */
|
|
fprintf(stderr,"File "); /* Message */
|
|
OutSb(stderr,psbFile); /* File name */
|
|
NEWLINE(stderr); /* Newline */
|
|
#endif /* End debugging code */
|
|
DEBUGVALUE(lfa); /* Debug info */
|
|
DEBUGVALUE(ifh); /* Debug info */
|
|
DEBUGVALUE(iov); /* Debug info */
|
|
#if OSMSDOS
|
|
if(SbCompare(psbFile, (BYTE *) "\006VM.TMP", TRUE))
|
|
{ /* If name given is VM.TMP */
|
|
OutWarn(ER_vmtmp);
|
|
return(FALSE);
|
|
}
|
|
#endif
|
|
#if OSXENIX
|
|
fSave = fIgnoreCase;
|
|
fIgnoreCase = FALSE;
|
|
#endif
|
|
#if BIGSYM
|
|
/* PsbFile is pointing to a VM buffer which may get flushed out
|
|
* before PropSymLookup finds a match, in a very big symbol table.
|
|
* So we copy it to a stack buffer first.
|
|
*/
|
|
memcpy(sbFile,psbFile,B2W(psbFile[0]) + 1);
|
|
psbFile = sbFile;
|
|
#endif
|
|
papropFile = (APROPFILEPTR ) PropSymLookup(psbFile,ATTRFIL,TRUE);
|
|
#if OSXENIX
|
|
fIgnoreCase = fSave;
|
|
#endif
|
|
if(!vfCreated)
|
|
{
|
|
for(;;)
|
|
{
|
|
/* "If we have a library and we've seen this module before,
|
|
* ignore it."
|
|
*/
|
|
DEBUGVALUE(papropFile->af_attr);
|
|
if(papropFile->af_attr == ATTRNIL) break;
|
|
DEBUGVALUE(papropFile->af_ifh);
|
|
DEBUGVALUE(papropFile->af_lfa);
|
|
if(papropFile->af_attr == ATTRFIL &&
|
|
papropFile->af_ifh != FHNIL && papropFile->af_ifh == (char) ifh &&
|
|
papropFile->af_lfa == lfa)
|
|
return(FALSE);
|
|
papropFile = (APROPFILEPTR ) FetchSym(papropFile->af_next,FALSE);
|
|
}
|
|
papropFile = (APROPFILEPTR ) PropAdd(vrhte,ATTRFIL);
|
|
}
|
|
/* Save virt address of 1st object. If library with lfa = 0, it's
|
|
* a load-library so consider it an object.
|
|
*/
|
|
if(rhteFirstObject == RHTENIL && (ifh == FHNIL || lfa == 0))
|
|
rhteFirstObject = vrhte;
|
|
/* Save virt addr of 1st object */
|
|
#if ILINK
|
|
/* allocate a module number for all modules */
|
|
if (papropFile->af_imod == IMODNIL)
|
|
papropFile->af_imod = ++imodCur; /* allocate a module number */
|
|
papropFile->af_cont = 0;
|
|
papropFile->af_ientOnt = 0;
|
|
#endif
|
|
papropFile->af_rMod = 0;
|
|
papropFile->af_lfa = lfa;
|
|
papropFile->af_ifh = (char) ifh;
|
|
papropFile->af_iov = (IOVTYPE) iov;
|
|
papropFile->af_publics = 0L;
|
|
#if SYMDEB
|
|
papropFile->af_cvInfo = NULL;
|
|
papropFile->af_cCodeSeg = 0;
|
|
papropFile->af_Code = NULL;
|
|
papropFile->af_CodeLast = NULL;
|
|
papropFile->af_publics = NULL;
|
|
papropFile->af_Src = NULL;
|
|
papropFile->af_SrcLast = NULL;
|
|
#endif
|
|
papropFile->af_ComDat = 0L;
|
|
papropFile->af_ComDatLast = 0L;
|
|
rpropFilePrev = vrpropTailFile;
|
|
vrpropTailFile = vrprop;
|
|
if(!rprop1stFile) rprop1stFile = vrpropTailFile;
|
|
else
|
|
{
|
|
papropFile = (APROPFILEPTR ) FetchSym(rpropFilePrev,TRUE);
|
|
papropFile->af_FNxt = vrpropTailFile;
|
|
}
|
|
return(TRUE);
|
|
}
|
|
|
|
#if CMDMSDOS
|
|
/*
|
|
* TrailChar (pb, b)
|
|
*
|
|
* Tells whether the final character of a length-prefixed string
|
|
* equals the single-byte character b. Knows about ECS.
|
|
*
|
|
*/
|
|
|
|
LOCAL WORD NEAR TrailChar(psb,b)
|
|
REGISTER BYTE *psb; /* Pointer to length-prefixed string */
|
|
BYTE b; /* Byte being tested for */
|
|
{
|
|
REGISTER unsigned char
|
|
*pLast; /* Pointer to last byte */
|
|
|
|
pLast = (unsigned char *)&psb[B2W(psb[0])];
|
|
/* Set pointer to last byte */
|
|
|
|
#ifdef _MBCS
|
|
if (!IsLeadByte(pLast[-1]))
|
|
#elif ECS
|
|
if (b < 0x40 || !IsLeadByte(pLast[-1]))
|
|
/* b cannot be part of an ECS char */
|
|
#endif
|
|
return(*pLast == b ? TRUE : FALSE);
|
|
#if ECS || defined(_MBCS)
|
|
psb++; /* Skip length byte */
|
|
/* In the following, psb is kept on a known character boundary */
|
|
while (psb < pLast)
|
|
if (IsLeadByte(*psb++)) /* If valid lead byte */
|
|
psb++; /* Advance an extra byte */
|
|
if (psb == pLast) /* If pLast on a char boundary */
|
|
return(*pLast == b ? TRUE : FALSE);
|
|
return(FALSE); /* pLast is 2nd byte of ECS char */
|
|
#endif /* ECS */
|
|
}
|
|
#endif /* OSMSDOS OR CMDMSDOS */
|
|
|
|
#if CMDMSDOS
|
|
#if OSXENIX
|
|
#define fPath(s) (IFind(s,CHPATH) != INIL)
|
|
#else
|
|
#define fPath(s) (IFind(s,'\\') != INIL || IFind(s,'/') != INIL)
|
|
#endif
|
|
|
|
#pragma check_stack(on)
|
|
|
|
void NEAR AddLibPath(i) /* Add paths to library names */
|
|
WORD i; /* Index */
|
|
{
|
|
AHTEPTR ahte; /* Pointer to hash table entry */
|
|
WORD j; /* Index */
|
|
SBTYPE sbLib; /* Library name */
|
|
SBTYPE sbTmp; /* Temporary library name */
|
|
|
|
/* Don't do anything if name is nil */
|
|
if(mpifhrhte[i] == RHTENIL)
|
|
return;
|
|
ahte = (AHTEPTR ) FetchSym(mpifhrhte[i],FALSE);
|
|
/* Fetch library name */
|
|
#if OSMSDOS
|
|
if(IFind(GetFarSb(ahte->cch),':') == INIL && !fPath(GetFarSb(ahte->cch)))
|
|
#else
|
|
if(!fPath(GetFarSb(ahte->cch)))
|
|
#endif
|
|
{ /* If there is no path on the name */
|
|
memcpy(sbLib,GetFarSb(ahte->cch),B2W(ahte->cch[0]) + 1);
|
|
/* Copy the name */
|
|
sbLib[B2W(sbLib[0]) + 1] = '\0';/* Null-terminate the name */
|
|
if(_access(&sbLib[1],0)) /* If file not in current directory */
|
|
{
|
|
for(j = 0; j < cLibPaths; ++j)
|
|
{ /* Look through default paths */
|
|
memcpy(sbTmp,sbLib,B2W(sbLib[0]) + 1);
|
|
/* Copy library name */
|
|
ahte = (AHTEPTR ) FetchSym(rgLibPath[j],FALSE);
|
|
/* Fetch a default path */
|
|
UpdateFileParts(sbTmp,GetFarSb(ahte->cch));
|
|
/* Apply file name */
|
|
sbTmp[B2W(sbTmp[0]) + 1] = '\0';
|
|
/* Null-terminate the name */
|
|
if(!_access(&sbTmp[1],0))/* If the library exists */
|
|
{
|
|
PropSymLookup(sbTmp,ATTRFIL,TRUE);
|
|
/* Add to symbol table */
|
|
mpifhrhte[i] = vrhte;
|
|
/* Make table entry */
|
|
break; /* Exit the loop */
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void NEAR LibEnv() /* Process LIB= environment variable */
|
|
{
|
|
SBTYPE sbPath; /* Library search path */
|
|
char FAR *lpch; /* Pointer to buffer */
|
|
REGISTER BYTE *sb; /* Pointer to string */
|
|
WORD i; /* Index */
|
|
#if OSMSDOS AND NOT CLIBSTD
|
|
BYTE buffer[512]; /* Environment value buffer */
|
|
FTYPE genv(); /* Get environment variable value */
|
|
#endif
|
|
|
|
#if OSMSDOS AND NOT CLIBSTD
|
|
if(genv("LIB",buffer)) /* If variable set */
|
|
{
|
|
pb = buffer; /* Initialize */
|
|
#else
|
|
if(lpszLIB != NULL) /* If variable set */
|
|
{
|
|
#endif
|
|
lpch = lpszLIB;
|
|
sb = sbPath; /* Initialize */
|
|
do /* Loop through environment value */
|
|
{
|
|
if(*lpch == ';' || *lpch == '\0')
|
|
{ /* If end of path specification */
|
|
if(sb > sbPath) /* If specification not empty */
|
|
{
|
|
sbPath[0] = (BYTE)(sb - sbPath);
|
|
/* Set length of path string */
|
|
if (*sb != ':' && !TrailChar(sbPath, CHPATH))
|
|
{ /* Add path char if none */
|
|
*++sb = CHPATH;
|
|
sbPath[0]++; /* Increment length */
|
|
}
|
|
AddLibrary(sbPath); /* Add path to list of defaults */
|
|
sb = sbPath; /* Reset pointer */
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*++sb = *lpch; /* Else copy character to path */
|
|
|
|
// The names in linker are limited to 255 chars
|
|
// Check for length overflow
|
|
if (sb >= sbPath + sizeof(sbPath) - 1)
|
|
{
|
|
sbPath[sizeof(sbPath) - 1] = '\0';
|
|
OutError(ER_badlibpath, sbPath);
|
|
sb = sbPath;
|
|
}
|
|
}
|
|
}
|
|
while(*lpch++ != '\0'); /* Loop until end of string */
|
|
}
|
|
for(i = 0; i < ifhLibMac; ++i) AddLibPath(i);
|
|
/* Fix libraries from command line */
|
|
}
|
|
#endif /* #if (OSMSDOS OR OSXENIX) AND CMDMSDOS */
|
|
|
|
/****************************************************************
|
|
* *
|
|
* AddLibrary: *
|
|
* *
|
|
* Add a library to the search list. Check for duplicates and *
|
|
* for too many libraries. *
|
|
* *
|
|
****************************************************************/
|
|
|
|
#if CMDMSDOS
|
|
void AddLibrary(psbName)
|
|
BYTE *psbName; /* Name of library to add */
|
|
{
|
|
AHTEPTR ahteLib; /* Pointer to hash table entry */
|
|
SBTYPE sbLib; /* Library name */
|
|
#if OSMSDOS
|
|
SBTYPE sbCmp2; /* Second name for comparison */
|
|
SBTYPE sbCmp1; /* First name for comparison */
|
|
#endif
|
|
WORD i; /* Index variable */
|
|
|
|
/*
|
|
* NOTE: It is assumed in this function that
|
|
* psbName is not a pointer to a virtual memory
|
|
* buffer, i.e., one may not pass a pointer
|
|
* returned by FetchSym(), PropSymLookup(), etc.,
|
|
* as the argument to this function.
|
|
*/
|
|
if(!fDrivePass) PeelFlags(psbName); /* Process any flags */
|
|
if(psbName[0]) /* If name not null */
|
|
{
|
|
#if OSMSDOS
|
|
if(psbName[B2W(psbName[0])] == ':' || TrailChar(psbName, CHPATH))
|
|
#else
|
|
if(TrailChar(psbName, CHPATH))
|
|
#endif
|
|
{ /* If path spec only */
|
|
/*
|
|
* Add an entry to the list of default paths.
|
|
*/
|
|
if(cLibPaths >= IFHLIBMAX) return;
|
|
/* Only so many paths allowed */
|
|
if(PropSymLookup(psbName,ATTRNIL,FALSE) != PROPNIL) return;
|
|
/* No duplicates allowed */
|
|
PropSymLookup(psbName,ATTRNIL,TRUE);
|
|
/* Install in symbol table */
|
|
rgLibPath[cLibPaths++] = vrhte;
|
|
/* Save virtual address */
|
|
return; /* And return */
|
|
}
|
|
#if OSMSDOS
|
|
memcpy(sbCmp1,sbDotLib,5); /* Default .LIB extension */
|
|
UpdateFileParts(sbCmp1,psbName);/* Add extension to name */
|
|
memcpy(sbLib,sbCmp1,B2W(sbCmp1[0]) + 1);
|
|
/* Copy back name plus extension */
|
|
UpdateFileParts(sbCmp1,(BYTE *) "\003A:\\");
|
|
/* Force drive and path to "A:\" */
|
|
for(i = 0; i < ifhLibMac; ++i) /* Look at libraries in list now */
|
|
{
|
|
if(mpifhrhte[i] == RHTENIL) /* Skip if NIL */
|
|
continue;
|
|
ahteLib = (AHTEPTR ) FetchSym(mpifhrhte[i],FALSE);
|
|
/* Fetch name */
|
|
memcpy(sbCmp2,GetFarSb(ahteLib->cch),B2W(ahteLib->cch[0]) + 1);
|
|
/* Copy it */
|
|
UpdateFileParts(sbCmp2,(BYTE *) "\003A:\\");
|
|
/* Force drive and path to "A:\" */
|
|
if(SbCompare(sbCmp1,sbCmp2,TRUE)) return;
|
|
/* Return if names match */
|
|
}
|
|
if(ifhLibMac >= IFHLIBMAX) Fatal(ER_libmax);
|
|
/* Check for too many libraries */
|
|
PropSymLookup(sbLib,ATTRFIL,TRUE);
|
|
/* Add to symbol table */
|
|
#else
|
|
memcpy(sbLib,sbDotLib,5); /* Default .LIB extension */
|
|
UpdateFileParts(sbLib,psbName); /* Add file name */
|
|
if(PropSymLookup(sbLib,ATTRFIL,FALSE) != PROPNIL) return;
|
|
/* Do not allow multiple definitions */
|
|
if(ifhLibMac >= IFHLIBMAX) Fatal(ER_libmax);
|
|
/* Check for too many libraries */
|
|
PropSymLookup(sbLib,ATTRFIL,TRUE);
|
|
/* Add to symbol table */
|
|
#endif /* #if OSMSDOS ... #else ... */
|
|
mpifhrhte[ifhLibMac] = vrhte; /* Make table entry */
|
|
if(fDrivePass) AddLibPath(ifhLibMac);
|
|
/* Fix library from object module */
|
|
++ifhLibMac; /* Increment counter */
|
|
}
|
|
}
|
|
#pragma check_stack(off)
|
|
|
|
#endif /* CMDMSDOS */
|
|
|
|
#if CMDXENIX
|
|
void AddLibrary(psbName)
|
|
BYTE *psbName; /* Name of library to add */
|
|
{
|
|
SBTYPE sbLib; /* Library name */
|
|
|
|
if(psbName[0]) /* If name not null */
|
|
{
|
|
memcpy(sbLib,psbName,B2W(psbName[0]) + 1);
|
|
/* Copy the library name */
|
|
if(PropSymLookup(sbLib,ATTRFIL,FALSE) != PROPNIL) return;
|
|
/* No duplicates allowed */
|
|
if(ifhLibMac >= IFHLIBMAX) Fatal(ER_libmax);
|
|
/* Check for too many libraries */
|
|
PropSymLookup(sbLib,ATTRFIL,TRUE);
|
|
/* Add to symbol table */
|
|
mpifhrhte[ifhLibMac] = vrhte; /* Make table entry */
|
|
++ifhLibMac; /* Increment counter */
|
|
}
|
|
}
|
|
#endif /* CMDXENIX */
|