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Rearrange winver detection code and cache the winver value we

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determined in the PDB to speed up.
This commit is contained in:
Andreas Mohr 1999-06-12 14:46:54 +00:00 committed by Alexandre Julliard
parent 5773dade8e
commit cd3278be3f
3 changed files with 112 additions and 53 deletions
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1
include/process.h
View file

@ -93,6 +93,7 @@ typedef struct _PDB
void *server_pid; /* Server id for this process */
HANDLE *dos_handles; /* Handles mapping DOS -> Win32 */
struct _PDB *next; /* List reference - list of PDB's */
WORD winver; /* Windows version figured out by VERSION_GetVersion */
WORD hInstance; /* hInstance on startup */
WORD hPrevInstance; /* hPrevInstance on startup */
struct _SERVICETABLE *service_table; /* Service table for service thread */

162
misc/version.c
View file

@ -122,6 +122,106 @@ void VERSION_ParseDosVersion( const char *arg )
}
WINDOWS_VERSION VERSION_GetImageVersion(PDB *pdb)
{
PIMAGE_NT_HEADERS peheader;
if (!pdb->exe_modref)
{
/* HACK: if we have loaded a PE image into this address space,
* we are probably using thunks, so Win95 is our best bet
*/
if (pdb->modref_list)
return WIN95;
/* FIXME: hmm, do anything else ?
TDB.version doesn't help here
as it always holds version 3.10 */
return WIN31;
}
else
{
peheader = PE_HEADER(pdb->exe_modref->module);
#define OPTHD peheader->OptionalHeader
TRACE(ver, "%02x.%02x/%02x.%02x/%02x.%02x/%02x.%02x\n",
OPTHD.MajorLinkerVersion,
OPTHD.MinorLinkerVersion,
OPTHD.MajorOperatingSystemVersion,
OPTHD.MinorOperatingSystemVersion,
OPTHD.MajorImageVersion,
OPTHD.MinorImageVersion,
OPTHD.MajorSubsystemVersion,
OPTHD.MinorSubsystemVersion);
switch (OPTHD.MajorSubsystemVersion)
{
case 4:
switch (OPTHD.MajorOperatingSystemVersion)
{
case 5:
return NT40; /* FIXME: this is NT 5, isn't it ? */
case 4:
if ((OPTHD.MajorImageVersion == 0) &&
(OPTHD.SectionAlignment == 4096))
return WIN95;
else
return NT40;
case 1:
return WIN95;
default:
return WIN95; /* FIXME ? */
}
case 3:
/* 3.1x versions */
if (OPTHD.MinorSubsystemVersion <= 11)
{
if (OPTHD.Subsystem == IMAGE_SUBSYSTEM_WINDOWS_CUI)
return NT351; /* FIXME: NT 3.1 */
else
return WIN31;
}
else
{
/* NT 3.51 */
if (OPTHD.MinorSubsystemVersion == 50)
return NT351;
else
if (OPTHD.MinorSubsystemVersion == 51)
return NT351;
}
default:
ERR(ver,"unknown subsystem version: %04x.%04x, please report.\n",
OPTHD.MajorSubsystemVersion,
OPTHD.MinorSubsystemVersion );
return defaultWinVersion;
}
#undef OPTHD
}
}
/**********************************************************************
*
* Check the version of COMDLG32, SHELL32, COMCTL32 and CTL3D32.
* Not functional yet.
*/
DWORD VERSION_GetLinkedDllVersion(PDB *pdb)
{
WINE_MODREF *wm;
WORD VersionCounter[NB_WINDOWS_VERSIONS];
memset(VersionCounter, 0, sizeof(VersionCounter));
VersionCounter[WIN95] = 1;
for ( wm = PROCESS_Current()->modref_list; wm; wm=wm->next ) {
if (!(lstrncmpiA(wm->modname, "CTL3D32", 7)))
VersionCounter[WIN95]++;
}
return MAKELONG(WIN95, VersionCounter[WIN95]);
}
/**********************************************************************
* VERSION_GetVersion
*
@ -136,6 +236,7 @@ void VERSION_ParseDosVersion( const char *arg )
* 5.12/4.00/1.07/4.00 clikfixi.exe NT 4 (service pack files)
* 3.10/4.00/4.00/4.00 PLUMBING.EXE NT
* ?.??/4.00/97.01/4.00 sse.exe huh ?? (damn crackerz ;)
* 5.12/5.00/5.00/4.00 comctl32.dll NT4 / IE 5.0
* 6.00/5.00/5.00/4.00 NT 4 driver update (strange numbers)
*
* Common versions:
@ -147,67 +248,22 @@ void VERSION_ParseDosVersion( const char *arg )
*/
WINDOWS_VERSION VERSION_GetVersion(void)
{
PIMAGE_NT_HEADERS peheader;
PDB *pdb = PROCESS_Current();
DWORD DllVer;
if (versionForced) /* user has overridden any sensible checks */
return defaultWinVersion;
if (!pdb->exe_modref)
{
/* HACK: if we have loaded a PE image into this address space,
* we are probably using thunks, so Win95 is our best bet
*/
if (pdb->modref_list) return WIN95;
/* FIXME: hmm, do anything else ?
TDB.version doesn't help here
as it always holds version 3.10 */
return WIN31;
}
peheader = PE_HEADER(pdb->exe_modref->module);
TRACE(ver, "%02x.%02x/%02x.%02x/%02x.%02x/%02x.%02x\n",
peheader->OptionalHeader.MajorLinkerVersion,
peheader->OptionalHeader.MinorLinkerVersion,
peheader->OptionalHeader.MajorOperatingSystemVersion,
peheader->OptionalHeader.MinorOperatingSystemVersion,
peheader->OptionalHeader.MajorImageVersion,
peheader->OptionalHeader.MinorImageVersion,
peheader->OptionalHeader.MajorSubsystemVersion,
peheader->OptionalHeader.MinorSubsystemVersion);
if (peheader->OptionalHeader.MajorSubsystemVersion == 4)
{
if (peheader->OptionalHeader.MajorOperatingSystemVersion == 4)
if (pdb->winver == 0xffff) /* to be determined */
{
if ((peheader->OptionalHeader.MajorImageVersion == 0) &&
(peheader->OptionalHeader.SectionAlignment == 4096))
return WIN95;
return NT40;
}
if (peheader->OptionalHeader.MajorOperatingSystemVersion == 1) return WIN95;
if (peheader->OptionalHeader.MajorOperatingSystemVersion == 5)
return NT40; /* FIXME: this is NT 5, isn't it ? */
}
if (peheader->OptionalHeader.MajorSubsystemVersion == 3)
{
/* 3.1x versions */
if (peheader->OptionalHeader.MinorSubsystemVersion <= 11)
{
if (peheader->OptionalHeader.Subsystem == IMAGE_SUBSYSTEM_WINDOWS_CUI)
return NT351; /* FIXME: NT 3.1 */
DllVer = 0/*VERSION_GetLinkedDllVersion(pdb)*/;
if (HIWORD(DllVer) > 1)
pdb->winver = LOWORD(DllVer);
else
return WIN31;
pdb->winver = VERSION_GetImageVersion(pdb);
}
/* NT 3.51 */
if (peheader->OptionalHeader.MinorSubsystemVersion == 50) return NT351;
if (peheader->OptionalHeader.MinorSubsystemVersion == 51) return NT351;
}
if (peheader->OptionalHeader.MajorSubsystemVersion)
ERR(ver,"unknown subsystem version: %04x.%04x, please report.\n",
peheader->OptionalHeader.MajorSubsystemVersion,
peheader->OptionalHeader.MinorSubsystemVersion );
return defaultWinVersion;
return pdb->winver;
}

2
scheduler/process.c
View file

@ -343,6 +343,7 @@ static PDB *PROCESS_CreatePDB( PDB *parent, BOOL inherit )
pdb->priority = 8; /* Normal */
pdb->heap = pdb->system_heap; /* will be changed later on */
pdb->next = PROCESS_First;
pdb->winver = 0xffff; /* to be determined */
PROCESS_First = pdb;
return pdb;
}
@ -367,6 +368,7 @@ BOOL PROCESS_Init(void)
initial_pdb.group = &initial_pdb;
initial_pdb.priority = 8; /* Normal */
initial_pdb.flags = PDB32_WIN16_PROC;
initial_pdb.winver = 0xffff; /* to be determined */
/* Initialize virtual memory management */
if (!VIRTUAL_Init()) return FALSE;