| 1 | /* $Id: myldrWasLoadModuled.cpp,v 1.1 2000-12-17 22:44:45 bird Exp $
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| 2 | *
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| 3 | * ldrWasLoadModuled - Tells OS/2 that the executable module was LoadModuled
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| 4 | * too. This way DosQueryProcAddr and DosQueryProcType will work for
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| 5 | * executables too.
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| 6 | *
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| 7 | * Copyright (c) 2000 knut st. osmundsen (knut.stange.osmundsen@mynd.no)
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| 8 | *
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| 9 | * Project Odin Software License can be found in LICENSE.TXT
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| 10 | *
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| 11 | */
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| 12 |
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| 13 | /*******************************************************************************
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| 14 | * Defined Constants And Macros *
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| 15 | *******************************************************************************/
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| 16 | #define INCL_DOSERRORS
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| 17 | #define INCL_NOPMAPI
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| 18 | #define INCL_OS2KRNL_PTDA
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| 19 |
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| 20 | /*******************************************************************************
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| 21 | * Header Files *
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| 22 | *******************************************************************************/
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| 23 | #include <os2.h>
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| 24 |
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| 25 | #include <memory.h>
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| 26 | #include <stdlib.h>
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| 27 | #include <string.h>
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| 28 |
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| 29 | #include "devSegDf.h" /* Win32k segment definitions. */
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| 30 | #include "log.h"
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| 31 | #include "avl.h"
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| 32 | #include <peexe.h>
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| 33 | #include <exe386.h>
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| 34 | #include "OS2Krnl.h"
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| 35 | #include "dev32.h"
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| 36 | #include "ldr.h"
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| 37 | #include "ldrCalls.h"
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| 38 | #include "options.h"
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| 39 |
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| 40 |
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| 41 | /**
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| 42 | * Checks if a module was loaded using DosLoadModule.
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| 43 | * This is called from LDRGetProcAddr and LDRFreeModule.
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| 44 | *
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| 45 | * We would like to get entry points from executables (EXEs) too.
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| 46 | * So, when called from LDRGetProcAddr we'll tell OS/2 a white lie and
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| 47 | * say that the executable module for the given process was LoadModuled.
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| 48 | *
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| 49 | * @returns NO_ERROR if the module was LoadModuled or executable.
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| 50 | * ERROR_INVALID_HANDLE if not LoadModuled.
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| 51 | * @param hmte MTE handle.
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| 52 | * @param pptda Pointer to the PTDA of the process calling. (current)
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| 53 | * @param pcUsage Pointer to usage variable. (output)
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| 54 | * The usage count is returned.
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| 55 | * @sketch Check if enabled.
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| 56 | * If called from LDRGetProcAddr
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| 57 | * AND hmte = hmteEXE
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| 58 | * Then return NO_ERROR.
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| 59 | * return thru ldrWasLoadModuled.
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| 60 | */
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| 61 | ULONG LDRCALL myldrWasLoadModuled(HMTE hmte, PPTDA pptda, PULONG pcUsage)
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| 62 | {
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| 63 | /*
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| 64 | * Check if the fix is enabled.
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| 65 | */
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| 66 | if (isExeFixesEnabled())
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| 67 | {
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| 68 | /*
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| 69 | * If pcUsage is NULL we're called from LDRGetProcAddr.
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| 70 | */
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| 71 | if ( pcUsage == NULL
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| 72 | && hmte == ptdaGet_ptda_module(pptda)
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| 73 | )
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| 74 | {
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| 75 | kprintf(("myldrWasLoadModuled: Executable hmte=%04x\n", hmte));
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| 76 | return NO_ERROR;
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| 77 | }
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| 78 | }
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| 79 |
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| 80 | /*
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| 81 | * Let the real function do the work.
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| 82 | */
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| 83 | return ldrWasLoadModuled(hmte, pptda, pcUsage);
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| 84 | }
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| 85 |
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