windows-nt/Source/XPSP1/NT/sdktools/debuggers/imagehlp/globals.c

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2020-09-26 03:20:57 -05:00
/*++
Copyright (c) 1993 Microsoft Corporation
Module Name:
globals.c
Abstract:
This module implements all global variables used in dbghelp.dll
Author:
Pat Styles (patst) 14-July-2000
Revision History:
--*/
#include <private.h>
#include <symbols.h>
#include <globals.h>
GLOBALS g =
{
// HANDLE hinst
// initialized in DllMain
0,
// HANDLE hHeap
0,
// DWORD tlsIndex
(DWORD)-1,
#ifdef IMAGEHLP_HEAP_DEBUG
// LIST_ENTRY HeapHeader
{NULL, NULL},
// ULONG TotalMemory
0,
// ULONG TotalAllocs
0,
#endif
// OSVERSIONINFO OSVerInfo
// initialized in DllMain
{0, 0, 0, 0, 0, ""},
// API_VERSION ApiVersion
{
(VER_PRODUCTVERSION_W >> 8),
(VER_PRODUCTVERSION_W & 0xff),
API_VERSION_NUMBER,
0
},
// API_VERSION AppVersion
// DON'T UPDATE THE FOLLOWING VERSION NUMBER!!!!
//
// If the app does not call ImagehlpApiVersionEx, always assume
// that it is for NT 4.0.
{4, 0, 5, 0},
// ULONG MachineType;
0,
#ifdef BUILD_DBGHELP
// HINSTANCE hSrv
0,
// CHAR szSrvName
"",
// LPSTR szSrvParams
NULL,
// PSYMBOLSERVERPROC fnSymbolServer
NULL,
// PSYMBOLSERVERCLOSEPROC fnSymbolServerClose
NULL,
// PSYMBOLSERVERSETOPTIONSPROC fnSymbolServerSetOptions
NULL,
// DWORD cProcessList
0,
// LIST_ENTRY ProcessList
{NULL, NULL},
// BOOL SymInitialized
FALSE,
// DWORD SymOptions
SYMOPT_UNDNAME,
// ULONG LastSymLoadError
0,
// char DebugModule[MAX_SYM_NAME + 1];
"",
// PREAD_PROCESS_MEMORY_ROUTINE ImagepUserReadMemory32
NULL,
// PFUNCTION_TABLE_ACCESS_ROUTINE ImagepUserFunctionTableAccess32
NULL,
// PGET_MODULE_BASE_ROUTINE ImagepUserGetModuleBase32
NULL,
// PTRANSLATE_ADDRESS_ROUTINE ImagepUserTranslateAddress32
NULL,
#endif
};
#ifdef BUILD_DBGHELP
void
tlsInit(PTLS ptls)
{
ZeroMemory(ptls, sizeof(TLS));
}
PTLS
GetTlsPtr(void)
{
PTLS ptls = (PTLS)TlsGetValue(g.tlsIndex);
if (!ptls) {
ptls = (PTLS)MemAlloc(sizeof(TLS));
if (ptls) {
TlsSetValue(g.tlsIndex, ptls);
tlsInit(ptls);
}
}
assert(ptls);
if (!ptls) {
static TLS sos_tls;
ptls = &sos_tls;
}
return ptls;
}
#endif // #ifdef BUILD_DBGHELP