/* $Id: DBGCCmdHlp.cpp 40097 2012-02-13 17:32:25Z vboxsync $ */ /** @file * DBGC - Debugger Console, Command Helpers. */ /* * 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; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. */ /******************************************************************************* * Header Files * *******************************************************************************/ #define LOG_GROUP LOG_GROUP_DBGC #include #include #include #include #include #include #include #include #include #include #include "DBGCInternal.h" /** * @interface_method_impl{DBGCCMDHLP,pfnPrintf} */ static DECLCALLBACK(int) dbgcHlpPrintf(PDBGCCMDHLP pCmdHlp, size_t *pcbWritten, const char *pszFormat, ...) { /* * Do the formatting and output. */ va_list args; va_start(args, pszFormat); int rc = pCmdHlp->pfnPrintfV(pCmdHlp, pcbWritten, pszFormat, args); va_end(args); return rc; } /** * Callback to format non-standard format specifiers, employed by dbgcPrintfV * and others. * * @returns The number of bytes formatted. * @param pvArg Formatter argument. * @param pfnOutput Pointer to output function. * @param pvArgOutput Argument for the output function. * @param ppszFormat Pointer to the format string pointer. Advance this till the char * after the format specifier. * @param pArgs Pointer to the argument list. Use this to fetch the arguments. * @param cchWidth Format Width. -1 if not specified. * @param cchPrecision Format Precision. -1 if not specified. * @param fFlags Flags (RTSTR_NTFS_*). * @param chArgSize The argument size specifier, 'l' or 'L'. */ static DECLCALLBACK(size_t) dbgcStringFormatter(void *pvArg, PFNRTSTROUTPUT pfnOutput, void *pvArgOutput, const char **ppszFormat, va_list *pArgs, int cchWidth, int cchPrecision, unsigned fFlags, char chArgSize) { NOREF(cchWidth); NOREF(cchPrecision); NOREF(fFlags); NOREF(chArgSize); NOREF(pvArg); if (**ppszFormat != 'D') { (*ppszFormat)++; return 0; } (*ppszFormat)++; switch (**ppszFormat) { /* * Print variable without range. * The argument is a const pointer to the variable. */ case 'V': { (*ppszFormat)++; PCDBGCVAR pVar = va_arg(*pArgs, PCDBGCVAR); switch (pVar->enmType) { case DBGCVAR_TYPE_GC_FLAT: return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%%%RGv", pVar->u.GCFlat); case DBGCVAR_TYPE_GC_FAR: return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%04x:%08x", pVar->u.GCFar.sel, pVar->u.GCFar.off); case DBGCVAR_TYPE_GC_PHYS: return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%%%%%RGp", pVar->u.GCPhys); case DBGCVAR_TYPE_HC_FLAT: return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%%#%RHv", (uintptr_t)pVar->u.pvHCFlat); case DBGCVAR_TYPE_HC_PHYS: return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "#%%%%%RHp", pVar->u.HCPhys); case DBGCVAR_TYPE_STRING: return pfnOutput(pvArgOutput, pVar->u.pszString, (size_t)pVar->u64Range); case DBGCVAR_TYPE_NUMBER: return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%llx", pVar->u.u64Number); case DBGCVAR_TYPE_UNKNOWN: default: return pfnOutput(pvArgOutput, "??", 2); } } /* * Print variable with range. * The argument is a const pointer to the variable. */ case 'v': { (*ppszFormat)++; PCDBGCVAR pVar = va_arg(*pArgs, PCDBGCVAR); char szRange[32]; switch (pVar->enmRangeType) { case DBGCVAR_RANGE_NONE: szRange[0] = '\0'; break; case DBGCVAR_RANGE_ELEMENTS: RTStrPrintf(szRange, sizeof(szRange), " L %llx", pVar->u64Range); break; case DBGCVAR_RANGE_BYTES: RTStrPrintf(szRange, sizeof(szRange), " LB %llx", pVar->u64Range); break; } switch (pVar->enmType) { case DBGCVAR_TYPE_GC_FLAT: return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%%%RGv%s", pVar->u.GCFlat, szRange); case DBGCVAR_TYPE_GC_FAR: return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%04x:%08x%s", pVar->u.GCFar.sel, pVar->u.GCFar.off, szRange); case DBGCVAR_TYPE_GC_PHYS: return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%%%%%RGp%s", pVar->u.GCPhys, szRange); case DBGCVAR_TYPE_HC_FLAT: return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%%#%RHv%s", (uintptr_t)pVar->u.pvHCFlat, szRange); case DBGCVAR_TYPE_HC_PHYS: return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "#%%%%%RHp%s", pVar->u.HCPhys, szRange); case DBGCVAR_TYPE_STRING: return pfnOutput(pvArgOutput, pVar->u.pszString, (size_t)pVar->u64Range); case DBGCVAR_TYPE_NUMBER: return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%llx%s", pVar->u.u64Number, szRange); case DBGCVAR_TYPE_UNKNOWN: default: return pfnOutput(pvArgOutput, "??", 2); } } default: AssertMsgFailed(("Invalid format type '%s'!\n", **ppszFormat)); return 0; } } /** * Output callback employed by dbgcHlpPrintfV. * * @returns number of bytes written. * @param pvArg User argument. * @param pachChars Pointer to an array of utf-8 characters. * @param cbChars Number of bytes in the character array pointed to by pachChars. */ static DECLCALLBACK(size_t) dbgcFormatOutput(void *pvArg, const char *pachChars, size_t cbChars) { PDBGC pDbgc = (PDBGC)pvArg; if (cbChars) { int rc = pDbgc->pBack->pfnWrite(pDbgc->pBack, pachChars, cbChars, NULL); if (RT_SUCCESS(rc)) pDbgc->chLastOutput = pachChars[cbChars - 1]; else { pDbgc->rcOutput = rc; cbChars = 0; } } return cbChars; } /** * @interface_method_impl{DBGCCMDHLP,pfnPrintfV} */ static DECLCALLBACK(int) dbgcHlpPrintfV(PDBGCCMDHLP pCmdHlp, size_t *pcbWritten, const char *pszFormat, va_list args) { PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); /* * Do the formatting and output. */ pDbgc->rcOutput = 0; size_t cb = RTStrFormatV(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, pszFormat, args); if (pcbWritten) *pcbWritten = cb; return pDbgc->rcOutput; } /** * @interface_method_impl{DBGCCMDHLP,pfnVBoxErrorV} */ static DECLCALLBACK(int) dbgcHlpVBoxErrorV(PDBGCCMDHLP pCmdHlp, int rc, const char *pszFormat, va_list args) { switch (rc) { case VINF_SUCCESS: break; default: rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: %Rrc: %s", rc, pszFormat ? " " : "\n"); if (RT_SUCCESS(rc) && pszFormat) rc = pCmdHlp->pfnPrintfV(pCmdHlp, NULL, pszFormat, args); if (RT_SUCCESS(rc)) rc = VERR_DBGC_COMMAND_FAILED; break; } return rc; } /** * @interface_method_impl{DBGCCMDHLP,pfnVBoxError} */ static DECLCALLBACK(int) dbgcHlpVBoxError(PDBGCCMDHLP pCmdHlp, int rc, const char *pszFormat, ...) { va_list args; va_start(args, pszFormat); int rcRet = pCmdHlp->pfnVBoxErrorV(pCmdHlp, rc, pszFormat, args); va_end(args); return rcRet; } /** * @interface_method_impl{DBGCCMDHLP,pfnMemRead} */ static DECLCALLBACK(int) dbgcHlpMemRead(PDBGCCMDHLP pCmdHlp, PVM pVM, void *pvBuffer, size_t cbRead, PCDBGCVAR pVarPointer, size_t *pcbRead) { PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); DBGFADDRESS Address; int rc; /* * Dummy check. */ if (cbRead == 0) { if (*pcbRead) *pcbRead = 0; return VINF_SUCCESS; } /* * Convert Far addresses getting size and the correct base address. * Getting and checking the size is what makes this messy and slow. */ DBGCVAR Var = *pVarPointer; switch (pVarPointer->enmType) { case DBGCVAR_TYPE_GC_FAR: /* Use DBGFR3AddrFromSelOff for the conversion. */ Assert(pDbgc->pVM); rc = DBGFR3AddrFromSelOff(pDbgc->pVM, pDbgc->idCpu, &Address, Var.u.GCFar.sel, Var.u.GCFar.off); if (RT_FAILURE(rc)) return rc; /* don't bother with flat selectors (for now). */ if (!DBGFADDRESS_IS_FLAT(&Address)) { DBGFSELINFO SelInfo; rc = DBGFR3SelQueryInfo(pDbgc->pVM, pDbgc->idCpu, Address.Sel, DBGFSELQI_FLAGS_DT_GUEST | DBGFSELQI_FLAGS_DT_ADJ_64BIT_MODE, &SelInfo); if (RT_SUCCESS(rc)) { RTGCUINTPTR cb; /* -1 byte */ if (DBGFSelInfoIsExpandDown(&SelInfo)) { if ( !SelInfo.u.Raw.Gen.u1Granularity && Address.off > UINT16_C(0xffff)) return VERR_OUT_OF_SELECTOR_BOUNDS; if (Address.off <= SelInfo.cbLimit) return VERR_OUT_OF_SELECTOR_BOUNDS; cb = (SelInfo.u.Raw.Gen.u1Granularity ? UINT32_C(0xffffffff) : UINT32_C(0xffff)) - Address.off; } else { if (Address.off > SelInfo.cbLimit) return VERR_OUT_OF_SELECTOR_BOUNDS; cb = SelInfo.cbLimit - Address.off; } if (cbRead - 1 > cb) { if (!pcbRead) return VERR_OUT_OF_SELECTOR_BOUNDS; cbRead = cb + 1; } } } Var.enmType = DBGCVAR_TYPE_GC_FLAT; Var.u.GCFlat = Address.FlatPtr; break; case DBGCVAR_TYPE_GC_FLAT: case DBGCVAR_TYPE_GC_PHYS: case DBGCVAR_TYPE_HC_FLAT: case DBGCVAR_TYPE_HC_PHYS: break; default: return VERR_NOT_IMPLEMENTED; } /* * Copy page by page. */ size_t cbLeft = cbRead; for (;;) { /* * Calc read size. */ size_t cb = RT_MIN(PAGE_SIZE, cbLeft); switch (pVarPointer->enmType) { case DBGCVAR_TYPE_GC_FLAT: cb = RT_MIN(cb, PAGE_SIZE - (Var.u.GCFlat & PAGE_OFFSET_MASK)); break; case DBGCVAR_TYPE_GC_PHYS: cb = RT_MIN(cb, PAGE_SIZE - (Var.u.GCPhys & PAGE_OFFSET_MASK)); break; case DBGCVAR_TYPE_HC_FLAT: cb = RT_MIN(cb, PAGE_SIZE - ((uintptr_t)Var.u.pvHCFlat & PAGE_OFFSET_MASK)); break; case DBGCVAR_TYPE_HC_PHYS: cb = RT_MIN(cb, PAGE_SIZE - ((size_t)Var.u.HCPhys & PAGE_OFFSET_MASK)); break; /* size_t: MSC has braindead loss of data warnings! */ default: break; } /* * Perform read. */ switch (Var.enmType) { case DBGCVAR_TYPE_GC_FLAT: rc = DBGFR3MemRead(pDbgc->pVM, pDbgc->idCpu, DBGFR3AddrFromFlat(pVM, &Address, Var.u.GCFlat), pvBuffer, cb); break; case DBGCVAR_TYPE_GC_PHYS: rc = DBGFR3MemRead(pDbgc->pVM, pDbgc->idCpu, DBGFR3AddrFromPhys(pVM, &Address, Var.u.GCPhys), pvBuffer, cb); break; case DBGCVAR_TYPE_HC_PHYS: case DBGCVAR_TYPE_HC_FLAT: { DBGCVAR Var2; rc = dbgcOpAddrFlat(pDbgc, &Var, &Var2); if (RT_SUCCESS(rc)) { /** @todo protect this!!! */ memcpy(pvBuffer, Var2.u.pvHCFlat, cb); rc = 0; } else rc = VERR_INVALID_POINTER; break; } default: rc = VERR_PARSE_INCORRECT_ARG_TYPE; } /* * Check for failure. */ if (RT_FAILURE(rc)) { if (pcbRead && (*pcbRead = cbRead - cbLeft) > 0) return VINF_SUCCESS; return rc; } /* * Next. */ cbLeft -= cb; if (!cbLeft) break; pvBuffer = (char *)pvBuffer + cb; rc = DBGCCmdHlpEval(pCmdHlp, &Var, "%DV + %d", &Var, cb); if (RT_FAILURE(rc)) { if (pcbRead && (*pcbRead = cbRead - cbLeft) > 0) return VINF_SUCCESS; return rc; } } /* * Done */ if (pcbRead) *pcbRead = cbRead; return 0; } /** * @interface_method_impl{DBGCCMDHLP,pfnMemWrite} */ static DECLCALLBACK(int) dbgcHlpMemWrite(PDBGCCMDHLP pCmdHlp, PVM pVM, const void *pvBuffer, size_t cbWrite, PCDBGCVAR pVarPointer, size_t *pcbWritten) { PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); DBGFADDRESS Address; int rc; /* * Dummy check. */ if (cbWrite == 0) { if (*pcbWritten) *pcbWritten = 0; return VINF_SUCCESS; } /* * Convert Far addresses getting size and the correct base address. * Getting and checking the size is what makes this messy and slow. */ DBGCVAR Var = *pVarPointer; switch (pVarPointer->enmType) { case DBGCVAR_TYPE_GC_FAR: { /* Use DBGFR3AddrFromSelOff for the conversion. */ Assert(pDbgc->pVM); rc = DBGFR3AddrFromSelOff(pDbgc->pVM, pDbgc->idCpu, &Address, Var.u.GCFar.sel, Var.u.GCFar.off); if (RT_FAILURE(rc)) return rc; /* don't bother with flat selectors (for now). */ if (!DBGFADDRESS_IS_FLAT(&Address)) { DBGFSELINFO SelInfo; rc = DBGFR3SelQueryInfo(pDbgc->pVM, pDbgc->idCpu, Address.Sel, DBGFSELQI_FLAGS_DT_GUEST | DBGFSELQI_FLAGS_DT_ADJ_64BIT_MODE, &SelInfo); if (RT_SUCCESS(rc)) { RTGCUINTPTR cb; /* -1 byte */ if (DBGFSelInfoIsExpandDown(&SelInfo)) { if ( !SelInfo.u.Raw.Gen.u1Granularity && Address.off > UINT16_C(0xffff)) return VERR_OUT_OF_SELECTOR_BOUNDS; if (Address.off <= SelInfo.cbLimit) return VERR_OUT_OF_SELECTOR_BOUNDS; cb = (SelInfo.u.Raw.Gen.u1Granularity ? UINT32_C(0xffffffff) : UINT32_C(0xffff)) - Address.off; } else { if (Address.off > SelInfo.cbLimit) return VERR_OUT_OF_SELECTOR_BOUNDS; cb = SelInfo.cbLimit - Address.off; } if (cbWrite - 1 > cb) { if (!pcbWritten) return VERR_OUT_OF_SELECTOR_BOUNDS; cbWrite = cb + 1; } } } Var.enmType = DBGCVAR_TYPE_GC_FLAT; Var.u.GCFlat = Address.FlatPtr; } /* fall thru */ case DBGCVAR_TYPE_GC_FLAT: rc = DBGFR3MemWrite(pVM, pDbgc->idCpu, DBGFR3AddrFromFlat(pVM, &Address, Var.u.GCFlat), pvBuffer, cbWrite); if (pcbWritten && RT_SUCCESS(rc)) *pcbWritten = cbWrite; return rc; case DBGCVAR_TYPE_GC_PHYS: rc = DBGFR3MemWrite(pVM, pDbgc->idCpu, DBGFR3AddrFromPhys(pVM, &Address, Var.u.GCPhys), pvBuffer, cbWrite); if (pcbWritten && RT_SUCCESS(rc)) *pcbWritten = cbWrite; return rc; case DBGCVAR_TYPE_HC_FLAT: case DBGCVAR_TYPE_HC_PHYS: { /* * Copy HC memory page by page. */ if (pcbWritten) *pcbWritten = 0; while (cbWrite > 0) { /* convert to flat address */ DBGCVAR Var2; rc = dbgcOpAddrFlat(pDbgc, &Var, &Var2); if (RT_FAILURE(rc)) { if (pcbWritten && *pcbWritten) return -VERR_INVALID_POINTER; return VERR_INVALID_POINTER; } /* calc size. */ size_t cbChunk = PAGE_SIZE; cbChunk -= (uintptr_t)Var.u.pvHCFlat & PAGE_OFFSET_MASK; if (cbChunk > cbWrite) cbChunk = cbWrite; /** @todo protect this!!! */ memcpy(Var2.u.pvHCFlat, pvBuffer, cbChunk); /* advance */ if (Var.enmType == DBGCVAR_TYPE_HC_FLAT) Var.u.pvHCFlat = (uint8_t *)Var.u.pvHCFlat + cbChunk; else Var.u.HCPhys += cbChunk; pvBuffer = (uint8_t const *)pvBuffer + cbChunk; if (pcbWritten) *pcbWritten += cbChunk; cbWrite -= cbChunk; } return VINF_SUCCESS; } default: return VERR_NOT_IMPLEMENTED; } } /** * @interface_method_impl{DBGCCMDHLP,pfnHlpExec} */ static DECLCALLBACK(int) dbgcHlpExec(PDBGCCMDHLP pCmdHlp, const char *pszExpr, ...) { PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); /* Save the scratch state. */ char *pszScratch = pDbgc->pszScratch; unsigned iArg = pDbgc->iArg; /* * Format the expression. */ va_list args; va_start(args, pszExpr); size_t cbScratch = sizeof(pDbgc->achScratch) - (pDbgc->pszScratch - &pDbgc->achScratch[0]); size_t cb = RTStrPrintfExV(dbgcStringFormatter, pDbgc, pDbgc->pszScratch, cbScratch, pszExpr, args); va_end(args); if (cb >= cbScratch) return VERR_BUFFER_OVERFLOW; /* * Execute the command. * We save and restore the arg index and scratch buffer pointer. */ pDbgc->pszScratch = pDbgc->pszScratch + cb + 1; int rc = dbgcEvalCommand(pDbgc, pszScratch, cb, false /* fNoExecute */); /* Restore the scratch state. */ pDbgc->iArg = iArg; pDbgc->pszScratch = pszScratch; return rc; } /** * @copydoc DBGCCMDHLP::pfnEvalV */ static DECLCALLBACK(int) dbgcHlpEvalV(PDBGCCMDHLP pCmdHlp, PDBGCVAR pResult, const char *pszExpr, va_list va) { PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); /* * Format the expression. */ char szExprFormatted[2048]; size_t cb = RTStrPrintfExV(dbgcStringFormatter, pDbgc, szExprFormatted, sizeof(szExprFormatted), pszExpr, va); /* ignore overflows. */ return dbgcEvalSub(pDbgc, &szExprFormatted[0], cb, DBGCVAR_CAT_ANY, pResult); } /** * @copydoc DBGCCMDHLP::pfnFailV */ static DECLCALLBACK(int) dbgcHlpFailV(PDBGCCMDHLP pCmdHlp, PCDBGCCMD pCmd, const char *pszFormat, va_list va) { PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); /* * Do the formatting and output. */ pDbgc->rcOutput = VINF_SUCCESS; RTStrFormat(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, "%s: error: ", pCmd->pszCmd); if (RT_FAILURE(pDbgc->rcOutput)) return pDbgc->rcOutput; RTStrFormatV(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, pszFormat, va); if (RT_FAILURE(pDbgc->rcOutput)) return pDbgc->rcOutput; if (pDbgc->chLastOutput != '\n') dbgcFormatOutput(pDbgc, "\n", 1); return VERR_DBGC_COMMAND_FAILED; } /** * @copydoc DBGCCMDHLP::pfnFailV */ static DECLCALLBACK(int) dbgcHlpFailRcV(PDBGCCMDHLP pCmdHlp, PCDBGCCMD pCmd, int rc, const char *pszFormat, va_list va) { PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); /* * Do the formatting and output. */ pDbgc->rcOutput = VINF_SUCCESS; RTStrFormat(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, "%s: error: ", pCmd->pszCmd); if (RT_FAILURE(pDbgc->rcOutput)) return pDbgc->rcOutput; RTStrFormatV(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, pszFormat, va); if (RT_FAILURE(pDbgc->rcOutput)) return pDbgc->rcOutput; RTStrFormat(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, ": %Rrc\n", rc); if (RT_FAILURE(pDbgc->rcOutput)) return pDbgc->rcOutput; return VERR_DBGC_COMMAND_FAILED; } /** * @interface_method_impl{DBGCCMDHLP,pfnVarToDbgfAddr} */ static DECLCALLBACK(int) dbgcHlpVarToDbgfAddr(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, PDBGFADDRESS pAddress) { PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); AssertPtr(pVar); AssertPtr(pAddress); switch (pVar->enmType) { case DBGCVAR_TYPE_GC_FLAT: DBGFR3AddrFromFlat(pDbgc->pVM, pAddress, pVar->u.GCFlat); return VINF_SUCCESS; case DBGCVAR_TYPE_NUMBER: DBGFR3AddrFromFlat(pDbgc->pVM, pAddress, (RTGCUINTPTR)pVar->u.u64Number); return VINF_SUCCESS; case DBGCVAR_TYPE_GC_FAR: return DBGFR3AddrFromSelOff(pDbgc->pVM, pDbgc->idCpu, pAddress, pVar->u.GCFar.sel, pVar->u.GCFar.off); case DBGCVAR_TYPE_GC_PHYS: DBGFR3AddrFromPhys(pDbgc->pVM, pAddress, pVar->u.GCPhys); return VINF_SUCCESS; case DBGCVAR_TYPE_STRING: case DBGCVAR_TYPE_SYMBOL: { DBGCVAR Var; int rc = DBGCCmdHlpEval(&pDbgc->CmdHlp, &Var, "%%(%DV)", pVar); if (RT_FAILURE(rc)) return rc; return dbgcHlpVarToDbgfAddr(pCmdHlp, &Var, pAddress); } case DBGCVAR_TYPE_HC_FLAT: case DBGCVAR_TYPE_HC_PHYS: default: return VERR_PARSE_CONVERSION_FAILED; } } /** * @interface_method_impl{DBGCCMDHLP,pfnVarFromDbgfAddr} */ static DECLCALLBACK(int) dbgcHlpVarFromDbgfAddr(PDBGCCMDHLP pCmdHlp, PCDBGFADDRESS pAddress, PDBGCVAR pResult) { AssertPtrReturn(pAddress, VERR_INVALID_POINTER); AssertReturn(DBGFADDRESS_IS_VALID(pAddress), VERR_INVALID_PARAMETER); AssertPtrReturn(pResult, VERR_INVALID_POINTER); switch (pAddress->fFlags & DBGFADDRESS_FLAGS_TYPE_MASK) { case DBGFADDRESS_FLAGS_FAR16: case DBGFADDRESS_FLAGS_FAR32: case DBGFADDRESS_FLAGS_FAR64: DBGCVAR_INIT_GC_FAR(pResult, pAddress->Sel, pAddress->off); break; case DBGFADDRESS_FLAGS_FLAT: DBGCVAR_INIT_GC_FLAT(pResult, pAddress->FlatPtr); break; case DBGFADDRESS_FLAGS_PHYS: DBGCVAR_INIT_GC_PHYS(pResult, pAddress->FlatPtr); break; default: DBGCVAR_INIT(pResult); AssertMsgFailedReturn(("%#x\n", pAddress->fFlags), VERR_INVALID_PARAMETER); break; } return VINF_SUCCESS; } /** * @interface_method_impl{DBGCCMDHLP,pfnVarToNumber} */ static DECLCALLBACK(int) dbgcHlpVarToNumber(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, uint64_t *pu64Number) { PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); NOREF(pDbgc); uint64_t u64Number; switch (pVar->enmType) { case DBGCVAR_TYPE_GC_FLAT: u64Number = pVar->u.GCFlat; break; case DBGCVAR_TYPE_GC_PHYS: u64Number = pVar->u.GCPhys; break; case DBGCVAR_TYPE_HC_FLAT: u64Number = (uintptr_t)pVar->u.pvHCFlat; break; case DBGCVAR_TYPE_HC_PHYS: u64Number = (uintptr_t)pVar->u.HCPhys; break; case DBGCVAR_TYPE_NUMBER: u64Number = (uintptr_t)pVar->u.u64Number; break; case DBGCVAR_TYPE_GC_FAR: u64Number = (uintptr_t)pVar->u.GCFar.off; break; case DBGCVAR_TYPE_SYMBOL: case DBGCVAR_TYPE_STRING: return VERR_PARSE_INCORRECT_ARG_TYPE; /** @todo better error code! */ default: return VERR_PARSE_INCORRECT_ARG_TYPE; } *pu64Number = u64Number; return VINF_SUCCESS; } /** * @interface_method_impl{DBGCCMDHLP,pfnVarToBool} */ static DECLCALLBACK(int) dbgcHlpVarToBool(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, bool *pf) { PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); NOREF(pDbgc); switch (pVar->enmType) { case DBGCVAR_TYPE_STRING: /** @todo add strcasecmp / stricmp wrappers to iprt/string.h. */ if ( !strcmp(pVar->u.pszString, "true") || !strcmp(pVar->u.pszString, "True") || !strcmp(pVar->u.pszString, "TRUE") || !strcmp(pVar->u.pszString, "on") || !strcmp(pVar->u.pszString, "On") || !strcmp(pVar->u.pszString, "oN") || !strcmp(pVar->u.pszString, "ON") || !strcmp(pVar->u.pszString, "enabled") || !strcmp(pVar->u.pszString, "Enabled") || !strcmp(pVar->u.pszString, "DISABLED")) { *pf = true; return VINF_SUCCESS; } if ( !strcmp(pVar->u.pszString, "false") || !strcmp(pVar->u.pszString, "False") || !strcmp(pVar->u.pszString, "FALSE") || !strcmp(pVar->u.pszString, "off") || !strcmp(pVar->u.pszString, "Off") || !strcmp(pVar->u.pszString, "OFF") || !strcmp(pVar->u.pszString, "disabled") || !strcmp(pVar->u.pszString, "Disabled") || !strcmp(pVar->u.pszString, "DISABLED")) { *pf = false; return VINF_SUCCESS; } return VERR_PARSE_INCORRECT_ARG_TYPE; /** @todo better error code! */ case DBGCVAR_TYPE_GC_FLAT: case DBGCVAR_TYPE_GC_PHYS: case DBGCVAR_TYPE_HC_FLAT: case DBGCVAR_TYPE_HC_PHYS: case DBGCVAR_TYPE_NUMBER: *pf = pVar->u.u64Number != 0; return VINF_SUCCESS; case DBGCVAR_TYPE_GC_FAR: case DBGCVAR_TYPE_SYMBOL: default: return VERR_PARSE_INCORRECT_ARG_TYPE; } } /** * @interface_method_impl{DBGCCMDHLP,pfnVarGetRange} */ static DECLCALLBACK(int) dbgcHlpVarGetRange(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, uint64_t cbElement, uint64_t cbDefault, uint64_t *pcbRange) { /** @todo implement this properly, strings/symbols are not resolved now. */ switch (pVar->enmRangeType) { default: case DBGCVAR_RANGE_NONE: *pcbRange = cbDefault; break; case DBGCVAR_RANGE_BYTES: *pcbRange = pVar->u64Range; break; case DBGCVAR_RANGE_ELEMENTS: *pcbRange = pVar->u64Range * cbElement; break; } return VINF_SUCCESS; } /** * @interface_method_impl{DBGCCMDHLP,pfnVarConvert} */ static DECLCALLBACK(int) dbgcHlpVarConvert(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pInVar, DBGCVARTYPE enmToType, bool fConvSyms, PDBGCVAR pResult) { PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); DBGCVAR const InVar = *pInVar; /* if pInVar == pResult */ PCDBGCVAR pArg = &InVar; /* lazy bird, clean up later */ DBGFADDRESS Address; int rc; Assert(pDbgc->pVM); *pResult = InVar; switch (InVar.enmType) { case DBGCVAR_TYPE_GC_FLAT: switch (enmToType) { case DBGCVAR_TYPE_GC_FLAT: return VINF_SUCCESS; case DBGCVAR_TYPE_GC_FAR: return VERR_PARSE_INCORRECT_ARG_TYPE; case DBGCVAR_TYPE_GC_PHYS: pResult->enmType = DBGCVAR_TYPE_GC_PHYS; rc = DBGFR3AddrToPhys(pDbgc->pVM, pDbgc->idCpu, DBGFR3AddrFromFlat(pDbgc->pVM, &Address, pArg->u.GCFlat), &pResult->u.GCPhys); if (RT_SUCCESS(rc)) return VINF_SUCCESS; return VERR_PARSE_CONVERSION_FAILED; case DBGCVAR_TYPE_HC_FLAT: pResult->enmType = DBGCVAR_TYPE_HC_FLAT; rc = DBGFR3AddrToVolatileR3Ptr(pDbgc->pVM, pDbgc->idCpu, DBGFR3AddrFromFlat(pDbgc->pVM, &Address, pArg->u.GCFlat), false /*fReadOnly */, &pResult->u.pvHCFlat); if (RT_SUCCESS(rc)) return VINF_SUCCESS; return VERR_PARSE_CONVERSION_FAILED; case DBGCVAR_TYPE_HC_PHYS: pResult->enmType = DBGCVAR_TYPE_HC_PHYS; rc = DBGFR3AddrToHostPhys(pDbgc->pVM, pDbgc->idCpu, DBGFR3AddrFromFlat(pDbgc->pVM, &Address, pArg->u.GCFlat), &pResult->u.GCPhys); if (RT_SUCCESS(rc)) return VINF_SUCCESS; return VERR_PARSE_CONVERSION_FAILED; case DBGCVAR_TYPE_NUMBER: pResult->enmType = enmToType; pResult->u.u64Number = InVar.u.GCFlat; return VINF_SUCCESS; case DBGCVAR_TYPE_STRING: case DBGCVAR_TYPE_SYMBOL: return VERR_PARSE_INCORRECT_ARG_TYPE; case DBGCVAR_TYPE_UNKNOWN: case DBGCVAR_TYPE_ANY: break; } break; case DBGCVAR_TYPE_GC_FAR: switch (enmToType) { case DBGCVAR_TYPE_GC_FLAT: rc = DBGFR3AddrFromSelOff(pDbgc->pVM, pDbgc->idCpu, &Address, pArg->u.GCFar.sel, pArg->u.GCFar.off); if (RT_SUCCESS(rc)) { pResult->enmType = DBGCVAR_TYPE_GC_FLAT; pResult->u.GCFlat = Address.FlatPtr; return VINF_SUCCESS; } return VERR_PARSE_CONVERSION_FAILED; case DBGCVAR_TYPE_GC_FAR: return VINF_SUCCESS; case DBGCVAR_TYPE_GC_PHYS: rc = DBGFR3AddrFromSelOff(pDbgc->pVM, pDbgc->idCpu, &Address, pArg->u.GCFar.sel, pArg->u.GCFar.off); if (RT_SUCCESS(rc)) { pResult->enmType = DBGCVAR_TYPE_GC_PHYS; rc = DBGFR3AddrToPhys(pDbgc->pVM, pDbgc->idCpu, &Address, &pResult->u.GCPhys); if (RT_SUCCESS(rc)) return VINF_SUCCESS; } return VERR_PARSE_CONVERSION_FAILED; case DBGCVAR_TYPE_HC_FLAT: rc = DBGFR3AddrFromSelOff(pDbgc->pVM, pDbgc->idCpu, &Address, pArg->u.GCFar.sel, pArg->u.GCFar.off); if (RT_SUCCESS(rc)) { pResult->enmType = DBGCVAR_TYPE_HC_FLAT; rc = DBGFR3AddrToVolatileR3Ptr(pDbgc->pVM, pDbgc->idCpu, &Address, false /*fReadOnly*/, &pResult->u.pvHCFlat); if (RT_SUCCESS(rc)) return VINF_SUCCESS; } return VERR_PARSE_CONVERSION_FAILED; case DBGCVAR_TYPE_HC_PHYS: rc = DBGFR3AddrFromSelOff(pDbgc->pVM, pDbgc->idCpu, &Address, pArg->u.GCFar.sel, pArg->u.GCFar.off); if (RT_SUCCESS(rc)) { pResult->enmType = DBGCVAR_TYPE_HC_PHYS; rc = DBGFR3AddrToHostPhys(pDbgc->pVM, pDbgc->idCpu, &Address, &pResult->u.GCPhys); if (RT_SUCCESS(rc)) return VINF_SUCCESS; } return VERR_PARSE_CONVERSION_FAILED; case DBGCVAR_TYPE_NUMBER: pResult->enmType = enmToType; pResult->u.u64Number = InVar.u.GCFar.off; return VINF_SUCCESS; case DBGCVAR_TYPE_STRING: case DBGCVAR_TYPE_SYMBOL: return VERR_PARSE_INCORRECT_ARG_TYPE; case DBGCVAR_TYPE_UNKNOWN: case DBGCVAR_TYPE_ANY: break; } break; case DBGCVAR_TYPE_GC_PHYS: switch (enmToType) { case DBGCVAR_TYPE_GC_FLAT: //rc = MMR3PhysGCPhys2GCVirtEx(pDbgc->pVM, pResult->u.GCPhys, ..., &pResult->u.GCFlat); - yea, sure. return VERR_PARSE_INCORRECT_ARG_TYPE; case DBGCVAR_TYPE_GC_FAR: return VERR_PARSE_INCORRECT_ARG_TYPE; case DBGCVAR_TYPE_GC_PHYS: return VINF_SUCCESS; case DBGCVAR_TYPE_HC_FLAT: pResult->enmType = DBGCVAR_TYPE_HC_FLAT; rc = DBGFR3AddrToVolatileR3Ptr(pDbgc->pVM, pDbgc->idCpu, DBGFR3AddrFromPhys(pDbgc->pVM, &Address, pArg->u.GCPhys), false /*fReadOnly */, &pResult->u.pvHCFlat); if (RT_SUCCESS(rc)) return VINF_SUCCESS; return VERR_PARSE_CONVERSION_FAILED; case DBGCVAR_TYPE_HC_PHYS: pResult->enmType = DBGCVAR_TYPE_HC_PHYS; rc = DBGFR3AddrToHostPhys(pDbgc->pVM, pDbgc->idCpu, DBGFR3AddrFromPhys(pDbgc->pVM, &Address, pArg->u.GCPhys), &pResult->u.HCPhys); if (RT_SUCCESS(rc)) return VINF_SUCCESS; return VERR_PARSE_CONVERSION_FAILED; case DBGCVAR_TYPE_NUMBER: pResult->enmType = enmToType; pResult->u.u64Number = InVar.u.GCPhys; return VINF_SUCCESS; case DBGCVAR_TYPE_STRING: case DBGCVAR_TYPE_SYMBOL: return VERR_PARSE_INCORRECT_ARG_TYPE; case DBGCVAR_TYPE_UNKNOWN: case DBGCVAR_TYPE_ANY: break; } break; case DBGCVAR_TYPE_HC_FLAT: switch (enmToType) { case DBGCVAR_TYPE_GC_FLAT: return VERR_PARSE_INCORRECT_ARG_TYPE; case DBGCVAR_TYPE_GC_FAR: return VERR_PARSE_INCORRECT_ARG_TYPE; case DBGCVAR_TYPE_GC_PHYS: pResult->enmType = DBGCVAR_TYPE_GC_PHYS; rc = PGMR3DbgR3Ptr2GCPhys(pDbgc->pVM, pArg->u.pvHCFlat, &pResult->u.GCPhys); if (RT_SUCCESS(rc)) return VINF_SUCCESS; /** @todo more memory types! */ return VERR_PARSE_CONVERSION_FAILED; case DBGCVAR_TYPE_HC_FLAT: return VINF_SUCCESS; case DBGCVAR_TYPE_HC_PHYS: pResult->enmType = DBGCVAR_TYPE_HC_PHYS; rc = PGMR3DbgR3Ptr2HCPhys(pDbgc->pVM, pArg->u.pvHCFlat, &pResult->u.HCPhys); if (RT_SUCCESS(rc)) return VINF_SUCCESS; /** @todo more memory types! */ return VERR_PARSE_CONVERSION_FAILED; case DBGCVAR_TYPE_NUMBER: pResult->enmType = enmToType; pResult->u.u64Number = (uintptr_t)InVar.u.pvHCFlat; return VINF_SUCCESS; case DBGCVAR_TYPE_STRING: case DBGCVAR_TYPE_SYMBOL: return VERR_PARSE_INCORRECT_ARG_TYPE; case DBGCVAR_TYPE_UNKNOWN: case DBGCVAR_TYPE_ANY: break; } break; case DBGCVAR_TYPE_HC_PHYS: switch (enmToType) { case DBGCVAR_TYPE_GC_FLAT: return VERR_PARSE_INCORRECT_ARG_TYPE; case DBGCVAR_TYPE_GC_FAR: return VERR_PARSE_INCORRECT_ARG_TYPE; case DBGCVAR_TYPE_GC_PHYS: pResult->enmType = DBGCVAR_TYPE_GC_PHYS; rc = PGMR3DbgHCPhys2GCPhys(pDbgc->pVM, pArg->u.HCPhys, &pResult->u.GCPhys); if (RT_SUCCESS(rc)) return VINF_SUCCESS; return VERR_PARSE_CONVERSION_FAILED; case DBGCVAR_TYPE_HC_FLAT: return VERR_PARSE_INCORRECT_ARG_TYPE; case DBGCVAR_TYPE_HC_PHYS: return VINF_SUCCESS; case DBGCVAR_TYPE_NUMBER: pResult->enmType = enmToType; pResult->u.u64Number = InVar.u.HCPhys; return VINF_SUCCESS; case DBGCVAR_TYPE_STRING: case DBGCVAR_TYPE_SYMBOL: return VERR_PARSE_INCORRECT_ARG_TYPE; case DBGCVAR_TYPE_UNKNOWN: case DBGCVAR_TYPE_ANY: break; } break; case DBGCVAR_TYPE_NUMBER: switch (enmToType) { case DBGCVAR_TYPE_GC_FLAT: pResult->enmType = DBGCVAR_TYPE_GC_FLAT; pResult->u.GCFlat = (RTGCPTR)InVar.u.u64Number; return VINF_SUCCESS; case DBGCVAR_TYPE_GC_FAR: return VERR_PARSE_INCORRECT_ARG_TYPE; case DBGCVAR_TYPE_GC_PHYS: pResult->enmType = DBGCVAR_TYPE_GC_PHYS; pResult->u.GCPhys = (RTGCPHYS)InVar.u.u64Number; return VINF_SUCCESS; case DBGCVAR_TYPE_HC_FLAT: pResult->enmType = DBGCVAR_TYPE_HC_FLAT; pResult->u.pvHCFlat = (void *)(uintptr_t)InVar.u.u64Number; return VINF_SUCCESS; case DBGCVAR_TYPE_HC_PHYS: pResult->enmType = DBGCVAR_TYPE_HC_PHYS; pResult->u.HCPhys = (RTHCPHYS)InVar.u.u64Number; return VINF_SUCCESS; case DBGCVAR_TYPE_NUMBER: return VINF_SUCCESS; case DBGCVAR_TYPE_STRING: case DBGCVAR_TYPE_SYMBOL: return VERR_PARSE_INCORRECT_ARG_TYPE; case DBGCVAR_TYPE_UNKNOWN: case DBGCVAR_TYPE_ANY: break; } break; case DBGCVAR_TYPE_SYMBOL: case DBGCVAR_TYPE_STRING: switch (enmToType) { case DBGCVAR_TYPE_GC_FLAT: case DBGCVAR_TYPE_GC_FAR: case DBGCVAR_TYPE_GC_PHYS: case DBGCVAR_TYPE_HC_FLAT: case DBGCVAR_TYPE_HC_PHYS: case DBGCVAR_TYPE_NUMBER: if (fConvSyms) { rc = dbgcSymbolGet(pDbgc, InVar.u.pszString, enmToType, pResult); if (RT_SUCCESS(rc)) { if (InVar.enmRangeType != DBGCVAR_RANGE_NONE) { pResult->enmRangeType = InVar.enmRangeType; pResult->u64Range = InVar.u64Range; } return VINF_SUCCESS; } } return VERR_PARSE_INCORRECT_ARG_TYPE; case DBGCVAR_TYPE_STRING: case DBGCVAR_TYPE_SYMBOL: pResult->enmType = enmToType; return VINF_SUCCESS; case DBGCVAR_TYPE_UNKNOWN: case DBGCVAR_TYPE_ANY: break; } break; case DBGCVAR_TYPE_UNKNOWN: case DBGCVAR_TYPE_ANY: break; } AssertMsgFailed(("f=%d t=%d\n", InVar.enmType, enmToType)); return VERR_INVALID_PARAMETER; } /** * @interface_method_impl{DBGFINFOHLP,pfnPrintf} */ static DECLCALLBACK(void) dbgcHlpGetDbgfOutputHlp_Printf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...) { PDBGC pDbgc = RT_FROM_MEMBER(pHlp, DBGC, DbgfOutputHlp); va_list va; va_start(va, pszFormat); pDbgc->CmdHlp.pfnPrintfV(&pDbgc->CmdHlp, NULL, pszFormat, va); va_end(va); } /** * @interface_method_impl{DBGFINFOHLP,pfnPrintfV} */ static DECLCALLBACK(void) dbgcHlpGetDbgfOutputHlp_PrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args) { PDBGC pDbgc = RT_FROM_MEMBER(pHlp, DBGC, DbgfOutputHlp); pDbgc->CmdHlp.pfnPrintfV(&pDbgc->CmdHlp, NULL, pszFormat, args); } /** * @interface_method_impl{DBGCCMDHLP,pfnGetDbgfOutputHlp} */ static DECLCALLBACK(PCDBGFINFOHLP) dbgcHlpGetDbgfOutputHlp(PDBGCCMDHLP pCmdHlp) { PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); /* Lazy init */ if (!pDbgc->DbgfOutputHlp.pfnPrintf) { pDbgc->DbgfOutputHlp.pfnPrintf = dbgcHlpGetDbgfOutputHlp_Printf; pDbgc->DbgfOutputHlp.pfnPrintfV = dbgcHlpGetDbgfOutputHlp_PrintfV; } return &pDbgc->DbgfOutputHlp; } /** * Initializes the Command Helpers for a DBGC instance. * * @param pDbgc Pointer to the DBGC instance. */ void dbgcInitCmdHlp(PDBGC pDbgc) { pDbgc->CmdHlp.u32Magic = DBGCCMDHLP_MAGIC; pDbgc->CmdHlp.pfnPrintfV = dbgcHlpPrintfV; pDbgc->CmdHlp.pfnPrintf = dbgcHlpPrintf; pDbgc->CmdHlp.pfnVBoxErrorV = dbgcHlpVBoxErrorV; pDbgc->CmdHlp.pfnVBoxError = dbgcHlpVBoxError; pDbgc->CmdHlp.pfnMemRead = dbgcHlpMemRead; pDbgc->CmdHlp.pfnMemWrite = dbgcHlpMemWrite; pDbgc->CmdHlp.pfnEvalV = dbgcHlpEvalV; pDbgc->CmdHlp.pfnExec = dbgcHlpExec; pDbgc->CmdHlp.pfnFailV = dbgcHlpFailV; pDbgc->CmdHlp.pfnFailRcV = dbgcHlpFailRcV; pDbgc->CmdHlp.pfnVarToDbgfAddr = dbgcHlpVarToDbgfAddr; pDbgc->CmdHlp.pfnVarFromDbgfAddr = dbgcHlpVarFromDbgfAddr; pDbgc->CmdHlp.pfnVarToNumber = dbgcHlpVarToNumber; pDbgc->CmdHlp.pfnVarToBool = dbgcHlpVarToBool; pDbgc->CmdHlp.pfnVarGetRange = dbgcHlpVarGetRange; pDbgc->CmdHlp.pfnVarConvert = dbgcHlpVarConvert; pDbgc->CmdHlp.pfnGetDbgfOutputHlp = dbgcHlpGetDbgfOutputHlp; pDbgc->CmdHlp.u32EndMarker = DBGCCMDHLP_MAGIC; }