diff options
Diffstat (limited to 'src/VBox/Runtime/common/ldr/ldrEx.cpp')
| -rw-r--r-- | src/VBox/Runtime/common/ldr/ldrEx.cpp | 42 |
1 files changed, 32 insertions, 10 deletions
diff --git a/src/VBox/Runtime/common/ldr/ldrEx.cpp b/src/VBox/Runtime/common/ldr/ldrEx.cpp index 8bc6b9bd..ba73910d 100644 --- a/src/VBox/Runtime/common/ldr/ldrEx.cpp +++ b/src/VBox/Runtime/common/ldr/ldrEx.cpp @@ -4,7 +4,7 @@ */ /* - * Copyright (C) 2006-2007 Oracle Corporation + * Copyright (C) 2006-2011 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; @@ -165,15 +165,6 @@ int rtldrOpenWithReader(PRTLDRREADER pReader, uint32_t fFlags, RTLDRARCH enmArch } -/** - * Gets the size of the loaded image. - * This is only supported for modules which has been opened using RTLdrOpen() and RTLdrOpenBits(). - * - * @returns image size (in bytes). - * @returns ~(size_t)0 on if not opened by RTLdrOpen(). - * @param hLdrMod Handle to the loader module. - * @remark Not supported for RTLdrLoad() images. - */ RTDECL(size_t) RTLdrSize(RTLDRMOD hLdrMod) { LogFlow(("RTLdrSize: hLdrMod=%RTldrm\n", hLdrMod)); @@ -547,3 +538,34 @@ RTDECL(int) RTLdrRvaToSegOffset(RTLDRMOD hLdrMod, RTLDRADDR Rva, uint32_t *piSeg } RT_EXPORT_SYMBOL(RTLdrRvaToSegOffset); + +/** + * Internal method used by the IPRT debug bits. + * + * @returns IPRT status code. + * @param hLdrMod The loader handle which executable we wish to + * read from. + * @param pvBuf The output buffer. + * @param iDbgInfo The debug info ordinal number if the request + * corresponds exactly to a debug info part from + * pfnEnumDbgInfo. Otherwise, pass UINT32_MAX. + * @param off Where in the executable file to start reading. + * @param cb The number of bytes to read. + * + * @remarks Fixups will only be applied if @a iDbgInfo is specified. + */ +DECLHIDDEN(int) rtLdrReadAt(RTLDRMOD hLdrMod, void *pvBuf, uint32_t iDbgInfo, RTFOFF off, size_t cb) +{ + AssertMsgReturn(rtldrIsValid(hLdrMod), ("hLdrMod=%p\n", hLdrMod), VERR_INVALID_HANDLE); + PRTLDRMODINTERNAL pMod = (PRTLDRMODINTERNAL)hLdrMod; + + if (iDbgInfo != UINT32_MAX) + { + AssertReturn(pMod->pOps->pfnReadDbgInfo, VERR_NOT_SUPPORTED); + return pMod->pOps->pfnReadDbgInfo(pMod, iDbgInfo, off, cb, pvBuf); + } + + AssertReturn(pMod->pReader, VERR_NOT_SUPPORTED); + return pMod->pReader->pfnRead(pMod->pReader, pvBuf, cb, off); +} + |