X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FKernel%2Fbinary.c;h=cca55b481cca1dcf5ce90d5de38cd62ac9bb5539;hb=82e814024416fac7949a1e158a4532a5a1ed546f;hp=8a8bc3eba7a389eecb9f0986c4a06fa2d678221e;hpb=67c9c489ba80c23739854905cf6d2f378193c9a8;p=tpg%2Facess2.git

diff --git a/KernelLand/Kernel/binary.c b/KernelLand/Kernel/binary.c
index 8a8bc3eb..cca55b48 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(;;);
@@ -822,9 +830,12 @@ Uint Binary_GetSymbolEx(const char *Name, Uint *Value)
 	tKernelBin	*pKBin;
 	 int	numKSyms = ((Uint)&gKernelSymbolsEnd-(Uint)&gKernelSymbols)/sizeof(tKernelSymbol);
 	
+	LOG("numKSyms = %i", numKSyms);
+
 	// Scan Kernel
 	for( i = 0; i < numKSyms; i++ )
 	{
+		LOG("KSym %s = %p", gKernelSymbols[i].Name, gKernelSymbols[i].Value);
 		if(strcmp(Name, gKernelSymbols[i].Name) == 0) {
 			*Value = gKernelSymbols[i].Value;
 			return 1;
@@ -881,12 +892,12 @@ 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;
 	}