| 1 | /* $Id: myldrRead.cpp,v 1.6 2000-01-22 18:21:02 bird Exp $
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| 2 | *
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| 3 | * myldrRead - ldrRead.
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| 4 | *
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| 5 | * Copyright (c) 1998-1999 knut st. osmundsen
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| 6 | *
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| 7 | * Project Odin Software License can be found in LICENSE.TXT
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| 8 | *
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| 9 | */
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| 10 |
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| 11 | /*******************************************************************************
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| 12 | * Defined Constants And Macros *
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| 13 | *******************************************************************************/
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| 14 | #define INCL_DOSERRORS
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| 15 | #define INCL_NOPMAPI
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| 16 |
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| 17 | /*******************************************************************************
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| 18 | * Header Files *
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| 19 | *******************************************************************************/
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| 20 | #include <os2.h>
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| 21 |
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| 22 | #include <memory.h>
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| 23 | #include <stdlib.h>
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| 24 |
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| 25 | #include "log.h"
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| 26 | #include "dev32.h"
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| 27 | #include <peexe.h>
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| 28 | #include <exe386.h>
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| 29 | #include "OS2Krnl.h"
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| 30 | #include "ModuleBase.h"
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| 31 | #include "pe2lx.h"
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| 32 | #include "avl.h"
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| 33 | #include "ldrCalls.h"
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| 34 | #include "ldr.h"
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| 35 |
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| 36 |
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| 37 | ULONG LDRCALL myldrRead(
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| 38 | SFN hFile,
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| 39 | ULONG ulOffset,
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| 40 | PVOID pBuffer,
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| 41 | ULONG ulFlags ,
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| 42 | ULONG ulBytesToRead,
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| 43 | PMTE pMTE
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| 44 | )
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| 45 | {
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| 46 | ULONG rc;
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| 47 |
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| 48 | /* Check if this is an overrided handle */
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| 49 | if (GetState(hFile) == HSTATE_OUR)
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| 50 | {
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| 51 | PMODULE pMod;
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| 52 | kprintf(("ldrRead+: hF=%+04x off=%+08x pB=%+08x fl=%+08x cb=%+04x pMTE=%+08x\n",hFile,ulOffset,pBuffer,ulFlags,ulBytesToRead,pMTE));
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| 53 |
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| 54 | pMod = getModuleBySFN(hFile);
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| 55 | if (pMod != NULL)
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| 56 | {
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| 57 | /* I would love to have a pointer to the MTE */
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| 58 | if (pMod->pMTE == NULL && pMTE != NULL)
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| 59 | pMod->pMTE = pMTE;
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| 60 |
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| 61 | /* debug */
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| 62 | if (ulFlags != 0)
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| 63 | kprintf(("ldrRead: Warning ulFlags = 0x%x (!= 0)\n", ulFlags));
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| 64 |
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| 65 | if ((pMod->fFlags & MOD_TYPE_MASK) == MOD_TYPE_PE2LX)
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| 66 | rc = pMod->Data.pModule->read(ulOffset, pBuffer, ulBytesToRead, ulFlags, pMTE);
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| 67 | else
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| 68 | {
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| 69 | kprintf(("ldrRead: Invalid module type, %#x\n", pMod->fFlags & MOD_TYPE_MASK));
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| 70 | rc = ERROR_READ_FAULT;
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| 71 | }
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| 72 | return rc;
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| 73 | }
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| 74 | else
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| 75 | kprintf(("ldrRead: DON'T PANIC! - but I can't get Node ptr! - This is really an IPE!\n"));
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| 76 | }
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| 77 |
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| 78 | rc = ldrRead(hFile, ulOffset, pBuffer, ulFlags, ulBytesToRead, pMTE);
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| 79 |
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| 80 | #if 0
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| 81 | kprintf(("ldrRead: hF=%+04x off=%+08x pB=%+08x fl=%+08x cb=%+04x pMTE=%+08x rc=%d\n",
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| 82 | hFile,ulOffset,pBuffer,ulFlags,ulBytesToRead,pMTE,rc));
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| 83 | #endif
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| 84 |
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| 85 | return rc;
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| 86 | }
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