diff options
Diffstat (limited to 'src/VBox/Runtime/common/ldr/ldrNative.cpp')
| -rw-r--r-- | src/VBox/Runtime/common/ldr/ldrNative.cpp | 88 |
1 files changed, 82 insertions, 6 deletions
diff --git a/src/VBox/Runtime/common/ldr/ldrNative.cpp b/src/VBox/Runtime/common/ldr/ldrNative.cpp index ad94d1cf..38fe571f 100644 --- a/src/VBox/Runtime/common/ldr/ldrNative.cpp +++ b/src/VBox/Runtime/common/ldr/ldrNative.cpp @@ -4,7 +4,7 @@ */ /* - * Copyright (C) 2006-2007 Oracle Corporation + * Copyright (C) 2006-2013 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; @@ -62,7 +62,7 @@ static DECLCALLBACK(int) rtldrNativeDone(PRTLDRMODINTERNAL pMod) /** * Operations for a native module. */ -static const RTLDROPS s_rtldrNativeOps = +static const RTLDROPS g_rtldrNativeOps = { "native", rtldrNativeClose, @@ -80,6 +80,7 @@ static const RTLDROPS s_rtldrNativeOps = NULL, NULL, NULL, + NULL, 42 }; @@ -127,10 +128,26 @@ RTDECL(int) RTLdrLoadEx(const char *pszFilename, PRTLDRMOD phLdrMod, uint32_t fF PRTLDRMODNATIVE pMod = (PRTLDRMODNATIVE)RTMemAlloc(sizeof(*pMod)); if (pMod) { - pMod->Core.u32Magic = RTLDRMOD_MAGIC; - pMod->Core.eState = LDR_STATE_LOADED; - pMod->Core.pOps = &s_rtldrNativeOps; - pMod->hNative = ~(uintptr_t)0; + pMod->Core.u32Magic = RTLDRMOD_MAGIC; + pMod->Core.eState = LDR_STATE_LOADED; + pMod->Core.pOps = &g_rtldrNativeOps; + pMod->Core.pReader = NULL; + pMod->Core.enmFormat = RTLDRFMT_NATIVE; + pMod->Core.enmType = RTLDRTYPE_SHARED_LIBRARY_RELOCATABLE; /* approx */ +#ifdef RT_BIG_ENDIAN + pMod->Core.enmEndian = RTLDRENDIAN_BIG; +#else + pMod->Core.enmEndian = RTLDRENDIAN_LITTLE; +#endif +#ifdef RT_ARCH_AMD64 + pMod->Core.enmArch = RTLDRARCH_AMD64; +#elif defined(RT_ARCH_X86) + pMod->Core.enmArch = RTLDRARCH_X86_32; +#else + pMod->Core.enmArch = RTLDRARCH_HOST; +#endif + pMod->hNative = ~(uintptr_t)0; + pMod->fFlags = fFlags; /* * Attempt to open the module. @@ -154,6 +171,54 @@ RTDECL(int) RTLdrLoadEx(const char *pszFilename, PRTLDRMOD phLdrMod, uint32_t fF RT_EXPORT_SYMBOL(RTLdrLoadEx); +RTDECL(int) RTLdrLoadSystem(const char *pszFilename, bool fNoUnload, PRTLDRMOD phLdrMod) +{ + LogFlow(("RTLdrLoadSystem: pszFilename=%p:{%s} fNoUnload=%RTbool phLdrMod=%p\n", + pszFilename, pszFilename, fNoUnload, phLdrMod)); + + /* + * Validate input. + */ + AssertPtrReturn(phLdrMod, VERR_INVALID_PARAMETER); + *phLdrMod = NIL_RTLDRMOD; + AssertPtrReturn(pszFilename, VERR_INVALID_PARAMETER); + AssertMsgReturn(!RTPathHavePath(pszFilename), ("%s\n", pszFilename), VERR_INVALID_PARAMETER); + + /* + * Check the filename. + */ + size_t cchFilename = strlen(pszFilename); + AssertMsgReturn(cchFilename < (RTPATH_MAX / 4) * 3, ("%zu\n", cchFilename), VERR_INVALID_PARAMETER); + + const char *pszExt = ""; + if (!RTPathHaveExt(pszFilename)) + pszExt = RTLdrGetSuff(); + + /* + * Let the platform specific code do the rest. + */ + int rc = rtldrNativeLoadSystem(pszFilename, pszExt, fNoUnload ? RTLDRLOAD_FLAGS_NO_UNLOAD : 0, phLdrMod); + LogFlow(("RTLdrLoadSystem: returns %Rrc\n", rc)); + return rc; +} + + +RTDECL(void *) RTLdrGetSystemSymbol(const char *pszFilename, const char *pszSymbol) +{ + void *pvRet = NULL; + RTLDRMOD hLdrMod; + int rc = RTLdrLoadSystem(pszFilename, true /*fNoUnload*/, &hLdrMod); + if (RT_SUCCESS(rc)) + { + rc = RTLdrGetSymbol(hLdrMod, pszSymbol, &pvRet); + if (RT_FAILURE(rc)) + pvRet = NULL; /* paranoia */ + RTLdrClose(hLdrMod); + } + return pvRet; +} + + /** * Loads a dynamic load library (/shared object) image file residing in the * RTPathAppPrivateArch() directory. @@ -241,3 +306,14 @@ RTDECL(const char *) RTLdrGetSuff(void) } RT_EXPORT_SYMBOL(RTLdrGetSuff); + +RTDECL(uintptr_t) RTLdrGetNativeHandle(RTLDRMOD hLdrMod) +{ + PRTLDRMODNATIVE pThis = (PRTLDRMODNATIVE)hLdrMod; + AssertPtrReturn(pThis, ~(uintptr_t)0); + AssertReturn(pThis->Core.u32Magic == RTLDRMOD_MAGIC, ~(uintptr_t)0); + AssertReturn(pThis->Core.pOps == &g_rtldrNativeOps, ~(uintptr_t)0); + return pThis->hNative; +} +RT_EXPORT_SYMBOL(RTLdrGetNativeHandle); + |