X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FKernel%2Fbinary.c;h=46f93232799a01083eb03e5180cd80c53b6e358d;hb=3612a6ef234e1928762239d4f47d0f04b0aa15a6;hp=e72de28b035d70c5a08b713d30d30a6d4279f504;hpb=2fcb3775f3afee7bfa9aa3cbb6aea3c6c3426e64;p=tpg%2Facess2.git diff --git a/KernelLand/Kernel/binary.c b/KernelLand/Kernel/binary.c index e72de28b..46f93232 100644 --- a/KernelLand/Kernel/binary.c +++ b/KernelLand/Kernel/binary.c @@ -32,6 +32,7 @@ extern tBinaryType gELF_Info; // === PROTOTYPES === int Binary_int_CacheArgs(const char **Path, const char ***ArgV, const char ***EnvP, void *DestBuffer); + int Proc_int_Execve(const char *File, const char **ArgV, const char **EnvP, int DataSize, bool bClearUser); tVAddr Binary_Load(const char *Path, tVAddr *EntryPoint); tBinary *Binary_GetInfo(tMount MountID, tInode InodeID); tVAddr Binary_MapIn(tBinary *Binary, const char *Path, tVAddr LoadMin, tVAddr LoadMax); @@ -191,12 +192,13 @@ int Proc_SysSpawn(const char *Binary, const char **ArgV, const char **EnvP, int VFS_RestoreHandles(nFD, handles); VFS_FreeSavedHandles(nFD, handles); // Frees cachebuf - Proc_Execve(Binary, ArgV, EnvP, size); + Proc_int_Execve(Binary, ArgV, EnvP, size, 0); for(;;); } - if( ret < 0 ) + if( ret == -1 ) { VFS_FreeSavedHandles(nFD, handles); + free(cachebuf); } return ret; @@ -210,6 +212,11 @@ int Proc_SysSpawn(const char *Binary, const char **ArgV, const char **EnvP, int * \note Called Proc_ for historical reasons */ int Proc_Execve(const char *File, const char **ArgV, const char **EnvP, int DataSize) +{ + return Proc_int_Execve(File, ArgV, EnvP, DataSize, 1); +} + +int Proc_int_Execve(const char *File, const char **ArgV, const char **EnvP, int DataSize, bool bClearUser) { void *cachebuf; tVAddr entry; @@ -235,6 +242,7 @@ int Proc_Execve(const char *File, const char **ArgV, const char **EnvP, int Data // --- Clear User Address space // NOTE: This is a little roundabout, maybe telling ClearUser to not touch the // PPD area would be a better idea. + if( bClearUser ) { int nfd = *Threads_GetMaxFD(); void *handles; @@ -249,7 +257,7 @@ int Proc_Execve(const char *File, const char **ArgV, const char **EnvP, int Data base = Binary_Load(File, &entry); if(base == 0) { - Log_Warning("Binary", "Proc_Execve - Unable to load '%s'", File); + Log_Warning("Binary", "Proc_Execve - Unable to load '%s' [errno=%i]", File, errno); LEAVE('-'); Threads_Exit(0, -10); for(;;); @@ -768,17 +776,7 @@ void *Binary_LoadKernel(const char *File) pKBinary->Next = glLoadedKernelLibs; glLoadedKernelLibs = pKBinary; SHORTREL( &glKBinListLock ); - - // Relocate Library - if( !Binary_Relocate( (void*)base ) ) - { - Log_Warning("Binary", "Relocation of '%s' failed, unloading", File); - Binary_Unload( (void*)base ); - Binary_Dereference( pBinary ); - LEAVE('n'); - return 0; - } - + LEAVE('p', base); return (void*)base; } @@ -828,19 +826,20 @@ int Binary_GetSymbol(const char *Name, Uint *Val) */ Uint Binary_GetSymbolEx(const char *Name, Uint *Value) { - int i; tKernelBin *pKBin; int numKSyms = ((Uint)&gKernelSymbolsEnd-(Uint)&gKernelSymbols)/sizeof(tKernelSymbol); // Scan Kernel - for( i = 0; i < numKSyms; i++ ) + for( int i = 0; i < numKSyms; i++ ) { if(strcmp(Name, gKernelSymbols[i].Name) == 0) { + LOG("KSym %s = %p", gKernelSymbols[i].Name, gKernelSymbols[i].Value); *Value = gKernelSymbols[i].Value; return 1; } } + // Scan Loaded Libraries for(pKBin = glLoadedKernelLibs; pKBin; @@ -891,12 +890,12 @@ int Binary_int_CheckMemFree( tVAddr _start, size_t _len ) _start &= ~(PAGE_SIZE-1); LOG("_start = %p, _len = 0x%x", _start, _len); for( ; _len > PAGE_SIZE; _len -= PAGE_SIZE, _start += PAGE_SIZE ) { - if( MM_GetPhysAddr(_start) != 0 ) { + if( MM_GetPhysAddr( (void*)_start ) != 0 ) { LEAVE('i', 1); return 1; } } - if( _len == PAGE_SIZE && MM_GetPhysAddr(_start) != 0 ) { + if( _len == PAGE_SIZE && MM_GetPhysAddr( (void*)_start ) != 0 ) { LEAVE('i', 1); return 1; }