X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FKernel%2Fbinary.c;h=3dab6a9210ca8fc9ef26f7c41710dff3cebc9c49;hb=85e4f7e3d5bea5db49e4dee4d94f9b2348017de3;hp=f618673900668ad54c7e74e2003ab9817457f0b3;hpb=944e9cd0b4eb05713537d2d46303c9d13ab1f6e8;p=tpg%2Facess2.git diff --git a/KernelLand/Kernel/binary.c b/KernelLand/Kernel/binary.c index f6186739..3dab6a92 100644 --- a/KernelLand/Kernel/binary.c +++ b/KernelLand/Kernel/binary.c @@ -31,7 +31,8 @@ extern tKernelSymbol gKernelSymbolsEnd[]; extern tBinaryType gELF_Info; // === PROTOTYPES === - int Binary_int_CacheArgs(const char **Path, const char ***ArgV, const char ***EnvP, void *DestBuffer); +size_t 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); @@ -94,9 +95,10 @@ int Proc_Spawn(const char *Path) /** * \todo Document */ -int Binary_int_CacheArgs(const char **Path, const char ***ArgV, const char ***EnvP, void *DestBuffer) +size_t Binary_int_CacheArgs(const char **Path, const char ***ArgV, const char ***EnvP, void *DestBuffer) { - int size, argc=0, envc=0; + size_t size; + int argc=0, envc=0; int i; char *strbuf; const char **arrays; @@ -171,27 +173,23 @@ int Binary_int_CacheArgs(const char **Path, const char ***ArgV, const char ***En */ int Proc_SysSpawn(const char *Binary, const char **ArgV, const char **EnvP, int nFD, int *FDs) { - void *handles; - void *cachebuf; - int size; - tPID ret; // --- Save File, ArgV and EnvP - size = Binary_int_CacheArgs( &Binary, &ArgV, &EnvP, NULL ); - cachebuf = malloc( size ); + size_t size = Binary_int_CacheArgs( &Binary, &ArgV, &EnvP, NULL ); + void *cachebuf = malloc( size ); Binary_int_CacheArgs( &Binary, &ArgV, &EnvP, cachebuf ); // Cache the VFS handles - handles = VFS_SaveHandles(nFD, FDs); + void *handles = VFS_SaveHandles(nFD, FDs); // Create new process - ret = Proc_Clone(CLONE_VM|CLONE_NOUSER); + tPID ret = Proc_Clone(CLONE_VM|CLONE_NOUSER); if( ret == 0 ) { 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 == -1 ) @@ -211,6 +209,11 @@ 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; @@ -236,6 +239,7 @@ 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; @@ -819,22 +823,20 @@ 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); - LOG("numKSyms = %i", numKSyms); - // Scan Kernel - for( i = 0; i < numKSyms; i++ ) + for( int i = 0; i < numKSyms; i++ ) { - LOG("KSym %s = %p", gKernelSymbols[i].Name, gKernelSymbols[i].Value); 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;