/**
* Same as dbgfR3AsSearchEnv, except that the path is taken from the DBGF config
* (CFGM).
*
* Nothing is done if the CFGM variable isn't set.
*
* @returns VBox status code.
* @param pUVM The user mode VM handle.
* @param pszFilename The filename.
* @param pszCfgValue The name of the config variable (under /DBGF/).
* @param pfnOpen The open callback function.
* @param pvUser User argument for the callback.
*/
static int dbgfR3AsSearchCfgPath(PUVM pUVM, const char *pszFilename, const char *pszCfgValue,
PFNDBGFR3ASSEARCHOPEN pfnOpen, void *pvUser)
{
char *pszPath;
int rc = CFGMR3QueryStringAllocDef(CFGMR3GetChild(CFGMR3GetRootU(pUVM), "/DBGF"), pszCfgValue, &pszPath, NULL);
if (RT_FAILURE(rc))
return rc;
if (!pszPath)
return VERR_FILE_NOT_FOUND;
rc = dbgfR3AsSearchPath(pszFilename, pszPath, pfnOpen, pvUser);
MMR3HeapFree(pszPath);
return rc;
}
/**
* Initializes the address space parts of DBGF.
*
* @returns VBox status code.
* @param pUVM The user mode VM handle.
*/
int dbgfR3AsInit(PUVM pUVM)
{
Assert(pUVM->pVM);
/*
* Create the semaphore.
*/
int rc = RTSemRWCreate(&pUVM->dbgf.s.hAsDbLock);
AssertRCReturn(rc, rc);
/*
* Create the debugging config instance and set it up, defaulting to
* deferred loading in order to keep things fast.
*/
rc = RTDbgCfgCreate(&pUVM->dbgf.s.hDbgCfg, NULL, true /*fNativePaths*/);
AssertRCReturn(rc, rc);
rc = RTDbgCfgChangeUInt(pUVM->dbgf.s.hDbgCfg, RTDBGCFGPROP_FLAGS, RTDBGCFGOP_PREPEND,
RTDBGCFG_FLAGS_DEFERRED);
AssertRCReturn(rc, rc);
static struct
{
RTDBGCFGPROP enmProp;
const char *pszEnvName;
const char *pszCfgName;
} const s_aProps[] =
{
{ RTDBGCFGPROP_FLAGS, "VBOXDBG_FLAGS", "Flags" },
{ RTDBGCFGPROP_PATH, "VBOXDBG_PATH", "Path" },
{ RTDBGCFGPROP_SUFFIXES, "VBOXDBG_SUFFIXES", "Suffixes" },
{ RTDBGCFGPROP_SRC_PATH, "VBOXDBG_SRC_PATH", "SrcPath" },
};
PCFGMNODE pCfgDbgf = CFGMR3GetChild(CFGMR3GetRootU(pUVM), "/DBGF");
for (unsigned i = 0; i < RT_ELEMENTS(s_aProps); i++)
{
char szEnvValue[8192];
rc = RTEnvGetEx(RTENV_DEFAULT, s_aProps[i].pszEnvName, szEnvValue, sizeof(szEnvValue), NULL);
if (RT_SUCCESS(rc))
{
rc = RTDbgCfgChangeString(pUVM->dbgf.s.hDbgCfg, s_aProps[i].enmProp, RTDBGCFGOP_PREPEND, szEnvValue);
if (RT_FAILURE(rc))
return VMR3SetError(pUVM, rc, RT_SRC_POS,
"DBGF Config Error: %s=%s -> %Rrc", s_aProps[i].pszEnvName, szEnvValue, rc);
}
else if (rc != VERR_ENV_VAR_NOT_FOUND)
return VMR3SetError(pUVM, rc, RT_SRC_POS,
"DBGF Config Error: Error querying env.var. %s: %Rrc", s_aProps[i].pszEnvName, rc);
char *pszCfgValue;
rc = CFGMR3QueryStringAllocDef(pCfgDbgf, s_aProps[i].pszCfgName, &pszCfgValue, NULL);
if (RT_FAILURE(rc))
return VMR3SetError(pUVM, rc, RT_SRC_POS,
"DBGF Config Error: Querying /DBGF/%s -> %Rrc", s_aProps[i].pszCfgName, rc);
if (pszCfgValue)
{
rc = RTDbgCfgChangeString(pUVM->dbgf.s.hDbgCfg, s_aProps[i].enmProp, RTDBGCFGOP_PREPEND, pszCfgValue);
if (RT_FAILURE(rc))
return VMR3SetError(pUVM, rc, RT_SRC_POS,
"DBGF Config Error: /DBGF/%s=%s -> %Rrc", s_aProps[i].pszCfgName, pszCfgValue, rc);
}
}
/*
* Prepend the NoArch and VBoxDbgSyms directories to the path.
*/
char szPath[RTPATH_MAX];
rc = RTPathAppPrivateNoArch(szPath, sizeof(szPath));
AssertRCReturn(rc, rc);
#ifdef RT_OS_DARWIN
rc = RTPathAppend(szPath, sizeof(szPath), "../Resources/VBoxDbgSyms/");
#else
rc = RTDbgCfgChangeString(pUVM->dbgf.s.hDbgCfg, RTDBGCFGPROP_PATH, RTDBGCFGOP_PREPEND, szPath);
AssertRCReturn(rc, rc);
rc = RTPathAppend(szPath, sizeof(szPath), "VBoxDbgSyms/");
#endif
AssertRCReturn(rc, rc);
rc = RTDbgCfgChangeString(pUVM->dbgf.s.hDbgCfg, RTDBGCFGPROP_PATH, RTDBGCFGOP_PREPEND, szPath);
AssertRCReturn(rc, rc);
/*
* Create the standard address spaces.
*/
RTDBGAS hDbgAs;
rc = RTDbgAsCreate(&hDbgAs, 0, RTGCPTR_MAX, "Global");
AssertRCReturn(rc, rc);
rc = DBGFR3AsAdd(pUVM, hDbgAs, NIL_RTPROCESS);
AssertRCReturn(rc, rc);
RTDbgAsRetain(hDbgAs);
pUVM->dbgf.s.ahAsAliases[DBGF_AS_ALIAS_2_INDEX(DBGF_AS_GLOBAL)] = hDbgAs;
RTDbgAsRetain(hDbgAs);
pUVM->dbgf.s.ahAsAliases[DBGF_AS_ALIAS_2_INDEX(DBGF_AS_KERNEL)] = hDbgAs;
rc = RTDbgAsCreate(&hDbgAs, 0, RTGCPHYS_MAX, "Physical");
AssertRCReturn(rc, rc);
rc = DBGFR3AsAdd(pUVM, hDbgAs, NIL_RTPROCESS);
AssertRCReturn(rc, rc);
RTDbgAsRetain(hDbgAs);
pUVM->dbgf.s.ahAsAliases[DBGF_AS_ALIAS_2_INDEX(DBGF_AS_PHYS)] = hDbgAs;
rc = RTDbgAsCreate(&hDbgAs, 0, RTRCPTR_MAX, "HyperRawMode");
AssertRCReturn(rc, rc);
rc = DBGFR3AsAdd(pUVM, hDbgAs, NIL_RTPROCESS);
AssertRCReturn(rc, rc);
RTDbgAsRetain(hDbgAs);
pUVM->dbgf.s.ahAsAliases[DBGF_AS_ALIAS_2_INDEX(DBGF_AS_RC)] = hDbgAs;
RTDbgAsRetain(hDbgAs);
pUVM->dbgf.s.ahAsAliases[DBGF_AS_ALIAS_2_INDEX(DBGF_AS_RC_AND_GC_GLOBAL)] = hDbgAs;
rc = RTDbgAsCreate(&hDbgAs, 0, RTR0PTR_MAX, "HyperRing0");
AssertRCReturn(rc, rc);
rc = DBGFR3AsAdd(pUVM, hDbgAs, NIL_RTPROCESS);
AssertRCReturn(rc, rc);
RTDbgAsRetain(hDbgAs);
pUVM->dbgf.s.ahAsAliases[DBGF_AS_ALIAS_2_INDEX(DBGF_AS_R0)] = hDbgAs;
return VINF_SUCCESS;
}
/**
* Reads the CFGM configuration of the DBGC.
*
* Popuplates the PDBGC::pszHistoryFile, PDBGC::pszGlobalInitScript and
* PDBGC::pszLocalInitScript members.
*
* @returns VBox status code.
* @param pDbgc The console instance.
* @param pUVM The user mode VM handle.
*/
static int dbgcReadConfig(PDBGC pDbgc, PUVM pUVM)
{
/*
* Get and validate the configuration node.
*/
PCFGMNODE pNode = CFGMR3GetChild(CFGMR3GetRootU(pUVM), "DBGC");
int rc = CFGMR3ValidateConfig(pNode, "/DBGC/",
"Enabled|"
"HistoryFile|"
"LocalInitScript|"
"GlobalInitScript",
"", "DBGC", 0);
AssertRCReturn(rc, rc);
/*
* Query the values.
*/
char szHomeDefault[RTPATH_MAX];
rc = RTPathUserHome(szHomeDefault, sizeof(szHomeDefault) - 32);
AssertLogRelRCReturn(rc, rc);
size_t cchHome = strlen(szHomeDefault);
/** @cfgm{/DBGC/HistoryFile, string, ${HOME}/.vboxdbgc-history}
* The command history file of the VBox debugger. */
rc = RTPathAppend(szHomeDefault, sizeof(szHomeDefault), ".vboxdbgc-history");
AssertLogRelRCReturn(rc, rc);
char szPath[RTPATH_MAX];
rc = CFGMR3QueryStringDef(pNode, "HistoryFile", szPath, sizeof(szPath), szHomeDefault);
AssertLogRelRCReturn(rc, rc);
pDbgc->pszHistoryFile = RTStrDup(szPath);
AssertReturn(pDbgc->pszHistoryFile, VERR_NO_STR_MEMORY);
/** @cfgm{/DBGC/GlobalInitFile, string, ${HOME}/.vboxdbgc-init}
* The global init script of the VBox debugger. */
szHomeDefault[cchHome] = '\0';
rc = RTPathAppend(szHomeDefault, sizeof(szHomeDefault), ".vboxdbgc-init");
AssertLogRelRCReturn(rc, rc);
rc = CFGMR3QueryStringDef(pNode, "GlobalInitScript", szPath, sizeof(szPath), szHomeDefault);
AssertLogRelRCReturn(rc, rc);
pDbgc->pszGlobalInitScript = RTStrDup(szPath);
AssertReturn(pDbgc->pszGlobalInitScript, VERR_NO_STR_MEMORY);
/** @cfgm{/DBGC/LocalInitFile, string, none}
* The VM local init script of the VBox debugger. */
rc = CFGMR3QueryString(pNode, "LocalInitScript", szPath, sizeof(szPath));
if (RT_SUCCESS(rc))
{
pDbgc->pszLocalInitScript = RTStrDup(szPath);
AssertReturn(pDbgc->pszLocalInitScript, VERR_NO_STR_MEMORY);
}
else
{
AssertLogRelReturn(rc == VERR_CFGM_VALUE_NOT_FOUND || rc == VERR_CFGM_NO_PARENT, rc);
pDbgc->pszLocalInitScript = NULL;
}
return VINF_SUCCESS;
}