patch-2.4.10 linux/include/asm-mips64/module.h

• Lines: 66
• Date: Sun Sep 9 10:43:02 2001
• Orig file: v2.4.9/linux/include/asm-mips64/module.h
• Orig date: Tue Nov 7 10:46:04 2000

diff -u --recursive --new-file v2.4.9/linux/include/asm-mips64/module.h linux/include/asm-mips64/module.h
@@ -4,8 +4,64 @@
  * This file contains the mips64 architecture specific module code.
  */
 
+#include <linux/module.h>
+#include <asm/uaccess.h>
+
 #define module_map(x)		vmalloc(x)
 #define module_unmap(x)		vfree(x)
-#define module_arch_init(x)	(0)
+#define module_arch_init(x)	mips64_module_init(x)
+#define arch_init_modules(x)	mips64_init_modules(x)
+
+/*
+ * This must match in size and layout the data created by
+ * modutils/obj/obj-mips64.c
+ */
+struct archdata {
+	const struct exception_table_entry *dbe_table_start;
+	const struct exception_table_entry *dbe_table_end;
+};
+
+static inline int
+mips64_module_init(struct module *mod)
+{
+	struct archdata *archdata;
+
+	if (!mod_member_present(mod, archdata_end))
+		return 0;
+
+	archdata = (struct archdata *)(mod->archdata_start);
+	if (!mod_archdata_member_present(mod, struct archdata, dbe_table_end))
+		return 0;
+
+	if (archdata->dbe_table_start > archdata->dbe_table_end ||
+	    (archdata->dbe_table_start &&
+	     !((unsigned long)archdata->dbe_table_start >=
+	       ((unsigned long)mod + mod->size_of_struct) &&
+	       ((unsigned long)archdata->dbe_table_end <
+	        (unsigned long)mod + mod->size))) ||
+            (((unsigned long)archdata->dbe_table_start -
+	      (unsigned long)archdata->dbe_table_end) %
+	     sizeof(struct exception_table_entry))) {
+		printk(KERN_ERR
+			"module_arch_init: archdata->dbe_table_* invalid.\n");
+		return 1;
+	}
+
+	return 0;
+}
+
+static inline void
+mips64_init_modules(struct module *mod)
+{
+	extern const struct exception_table_entry __start___dbe_table[];
+	extern const struct exception_table_entry __stop___dbe_table[];
+	static struct archdata archdata = {
+		dbe_table_start:	__start___dbe_table,
+		dbe_table_end:		__stop___dbe_table,
+	};
+
+	mod->archdata_start = (char *)&archdata;
+	mod->archdata_end = mod->archdata_start + sizeof(archdata);
+}
 
 #endif /* _ASM_MIPS64_MODULE_H */