Sync to my local tree

Makefile

@@ -84,6 +84,10 @@ ifdef BB_INIT_RC_EXIT_CMD
     CFLAGS += -DBB_INIT_CMD_IF_RC_SCRIPT_EXITS=${BB_INIT_RC_EXIT_CMD}
 endif
 
+ifdef BB_INIT_SCRIPT
+    CFLAGS += -DBB_INIT_SCRIPT=${BB_INIT_SCRIPT}
+endif
+
 all: busybox busybox.links
 
 busybox: $(OBJECTS)

busybox.def.h

@@ -28,7 +28,7 @@
 #define BB_HEAD
 #define BB_HOSTNAME
 #define BB_INIT
-#define BB_INSMOD
+//#define BB_INSMOD
 #define BB_KILL
 #define BB_KLOGD
 //#define BB_LENGTH
@@ -60,7 +60,7 @@
 #define BB_REBOOT
 #define BB_RM
 #define BB_RMDIR
-#define BB_RMMOD
+//#define BB_RMMOD
 //#define BB_SFDISK
 #define BB_SED
 #define BB_SLEEP

busybox.spec

@@ -21,7 +21,7 @@ embedded system.
 %setup -q -n %{Name}-%{Version}
 
 %Build
-BB_INIT_RC_EXIT_CMD=\"/bin/sh\" make
+BB_INIT_RC_EXIT_CMD=\"/bin/sh\" BB_INIT_SCRIPT=\"/etc/rc.d/init.d/rcS\" make
 
 %Install
 rm -rf $RPM_BUILD_ROOT

examples/busybox.spec

@@ -21,7 +21,7 @@ embedded system.
 %setup -q -n %{Name}-%{Version}
 
 %Build
-BB_INIT_RC_EXIT_CMD=\"/bin/sh\" make
+BB_INIT_RC_EXIT_CMD=\"/bin/sh\" BB_INIT_SCRIPT=\"/etc/rc.d/init.d/rcS\" make
 
 %Install
 rm -rf $RPM_BUILD_ROOT

insmod.c

@@ -29,6 +29,16 @@
 #include <sys/syscall.h>
 #include <linux/module.h>
 
+#define _PATH_MODULES	"/lib/modules"
+
+#warning "Danger Will Robinson, Danger!!!"
+#warning " "
+#warning "insmod is still under construction.  Don't use it."
+#warning " "
+#warning "	You have been warned!"
+#warning " "
+
+
 /* Some firendly syscalls to cheer everyone's day...  */
 _syscall2(int, init_module, const char *, name,
 	const struct module *, info)
@@ -57,6 +67,8 @@ _syscall2(unsigned long, create_module, const char *, name, size_t, size)
 #endif
 
 
+static char m_filename[PATH_MAX] = "\0";
+static char m_fullName[PATH_MAX] ="\0";
 static const char insmod_usage[] =
     "insmod [OPTION]... MODULE [symbol=value]...\n\n"
     "Loads the specified kernel modules into the kernel.\n\n"
@@ -65,14 +77,32 @@ static const char insmod_usage[] =
     "\t-k\tMake module autoclean-able.\n";
 
 
+static int findNamedModule(const char *fileName, struct stat* statbuf)
+{
+    if (m_fullName[0]=='\0')
+	return( FALSE);
+    else {
+	char* tmp = strrchr( fileName, '/');
+	if (tmp == NULL)
+	    tmp = (char*)fileName;
+	else
+	    tmp++;
+	if (check_wildcard_match(tmp, m_fullName) == TRUE) {
+	    /* Stop searching if we find a match */
+	    memcpy(m_filename, fileName, strlen(fileName));
+	    return( FALSE);
+	}
+    }
+    return( TRUE);
+}
+
 
 extern int insmod_main(int argc, char **argv)
 {
     int len;
-    char m_name[PATH_MAX];
     char *tmp;
-
+    char m_name[PATH_MAX] ="\0";
-
+    FILE *fp;
 
     if (argc<=1) {
 	usage( insmod_usage);
@@ -105,9 +135,72 @@ extern int insmod_main(int argc, char **argv)
     if (len > 2 && tmp[len - 2] == '.' && tmp[len - 1] == 'o')
 	len -= 2;
     memcpy(m_name, tmp, len);
+    strcpy(m_fullName, m_name);
+    strcat(m_fullName, ".o");
 
+    /* Get a filedesc for the module */
+    if ((fp = fopen(*argv, "r")) == NULL) {
+	/* Hmpf.  Could not open it. Search through _PATH_MODULES to find a module named m_name */
+	if (recursiveAction(_PATH_MODULES, TRUE, FALSE, FALSE,
+		    findNamedModule, findNamedModule) == FALSE) {
+	    if ( m_filename[0] == '\0' ||  ((fp = fopen(m_filename, "r")) == NULL)) {
+		    perror("No module by that name found in " _PATH_MODULES "\n");
+		    exit( FALSE);
+	    }
+	}
+    } else
+	memcpy(m_filename, *argv, strlen(*argv));
+
+
+    fprintf(stderr, "m_filename='%s'\n", m_filename);
     fprintf(stderr, "m_name='%s'\n", m_name);
 
 
+    /* TODO: do something roughtly like this... */
+#if 0
+
+    if ((f = obj_load(fp)) == NULL) {
+	perror("Could not load the module\n");
+	exit( FALSE);
+    }
+    
+    /* Let the module know about the kernel symbols.  */
+    add_kernel_symbols(f);
+
+    if (!create_this_module(f, m_name)) {
+	perror("Could not create the module\n");
+	exit( FALSE);
+    }
+
+    if (!obj_check_undefineds(f, quiet)) {
+	perror("Undefined symbols in the module\n");
+	exit( FALSE);
+    }
+    obj_allocate_commons(f);
+
+    /* Perse the module's arguments */
+    while (argc-- >0 && *(argv++) != '\0') {
+	if (!process_module_arguments(f, argc - optind, argv + optind)) {
+	    perror("Undefined symbols in the module\n");
+	    exit( FALSE);
+	}
+    }
+
+    /* Find current size of the module */
+    m_size = obj_load_size(f);
+
+
+    errno = 0;
+    m_addr = create_module(m_name, m_size);
+    switch (errno) {
+	/* yada yada */
+	default:
+	    perror("create_module: %m");
+
+    }
+
+#endif
+
+    fclose( fp);
     exit( TRUE);
 }

modutils/insmod.c

@@ -29,6 +29,16 @@
 #include <sys/syscall.h>
 #include <linux/module.h>
 
+#define _PATH_MODULES	"/lib/modules"
+
+#warning "Danger Will Robinson, Danger!!!"
+#warning " "
+#warning "insmod is still under construction.  Don't use it."
+#warning " "
+#warning "	You have been warned!"
+#warning " "
+
+
 /* Some firendly syscalls to cheer everyone's day...  */
 _syscall2(int, init_module, const char *, name,
 	const struct module *, info)
@@ -57,6 +67,8 @@ _syscall2(unsigned long, create_module, const char *, name, size_t, size)
 #endif
 
 
+static char m_filename[PATH_MAX] = "\0";
+static char m_fullName[PATH_MAX] ="\0";
 static const char insmod_usage[] =
     "insmod [OPTION]... MODULE [symbol=value]...\n\n"
     "Loads the specified kernel modules into the kernel.\n\n"
@@ -65,14 +77,32 @@ static const char insmod_usage[] =
     "\t-k\tMake module autoclean-able.\n";
 
 
+static int findNamedModule(const char *fileName, struct stat* statbuf)
+{
+    if (m_fullName[0]=='\0')
+	return( FALSE);
+    else {
+	char* tmp = strrchr( fileName, '/');
+	if (tmp == NULL)
+	    tmp = (char*)fileName;
+	else
+	    tmp++;
+	if (check_wildcard_match(tmp, m_fullName) == TRUE) {
+	    /* Stop searching if we find a match */
+	    memcpy(m_filename, fileName, strlen(fileName));
+	    return( FALSE);
+	}
+    }
+    return( TRUE);
+}
+
 
 extern int insmod_main(int argc, char **argv)
 {
     int len;
-    char m_name[PATH_MAX];
     char *tmp;
-
+    char m_name[PATH_MAX] ="\0";
-
+    FILE *fp;
 
     if (argc<=1) {
 	usage( insmod_usage);
@@ -105,9 +135,72 @@ extern int insmod_main(int argc, char **argv)
     if (len > 2 && tmp[len - 2] == '.' && tmp[len - 1] == 'o')
 	len -= 2;
     memcpy(m_name, tmp, len);
+    strcpy(m_fullName, m_name);
+    strcat(m_fullName, ".o");
 
+    /* Get a filedesc for the module */
+    if ((fp = fopen(*argv, "r")) == NULL) {
+	/* Hmpf.  Could not open it. Search through _PATH_MODULES to find a module named m_name */
+	if (recursiveAction(_PATH_MODULES, TRUE, FALSE, FALSE,
+		    findNamedModule, findNamedModule) == FALSE) {
+	    if ( m_filename[0] == '\0' ||  ((fp = fopen(m_filename, "r")) == NULL)) {
+		    perror("No module by that name found in " _PATH_MODULES "\n");
+		    exit( FALSE);
+	    }
+	}
+    } else
+	memcpy(m_filename, *argv, strlen(*argv));
+
+
+    fprintf(stderr, "m_filename='%s'\n", m_filename);
     fprintf(stderr, "m_name='%s'\n", m_name);
 
 
+    /* TODO: do something roughtly like this... */
+#if 0
+
+    if ((f = obj_load(fp)) == NULL) {
+	perror("Could not load the module\n");
+	exit( FALSE);
+    }
+    
+    /* Let the module know about the kernel symbols.  */
+    add_kernel_symbols(f);
+
+    if (!create_this_module(f, m_name)) {
+	perror("Could not create the module\n");
+	exit( FALSE);
+    }
+
+    if (!obj_check_undefineds(f, quiet)) {
+	perror("Undefined symbols in the module\n");
+	exit( FALSE);
+    }
+    obj_allocate_commons(f);
+
+    /* Perse the module's arguments */
+    while (argc-- >0 && *(argv++) != '\0') {
+	if (!process_module_arguments(f, argc - optind, argv + optind)) {
+	    perror("Undefined symbols in the module\n");
+	    exit( FALSE);
+	}
+    }
+
+    /* Find current size of the module */
+    m_size = obj_load_size(f);
+
+
+    errno = 0;
+    m_addr = create_module(m_name, m_size);
+    switch (errno) {
+	/* yada yada */
+	default:
+	    perror("create_module: %m");
+
+    }
+
+#endif
+
+    fclose( fp);
     exit( TRUE);
 }

utility.c

@@ -378,7 +378,7 @@ int fullRead(int fd, char *buf, int len)
 #endif
 
 
-#if defined (BB_CHOWN) || defined (BB_CP) || defined (BB_FIND) || defined (BB_LS)
+#if defined (BB_CHOWN) || defined (BB_CP) || defined (BB_FIND) || defined (BB_LS) || defined (BB_INSMOD)
 /*
  * Walk down all the directories under the specified 
  * location, and do something (something specified