1 files changed, 121 insertions, 0 deletions

diff --git a/arch/cris/kernel/module.c b/arch/cris/kernel/module.c
new file mode 100644
index 000000000000..f1d3e784f30c
--- /dev/null
+++ b/arch/cris/kernel/module.c
@@ -0,0 +1,121 @@
+/*  Kernel module help for i386.
+    Copyright (C) 2001 Rusty Russell.
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+#include <linux/moduleloader.h>
+#include <linux/elf.h>
+#include <linux/vmalloc.h>
+#include <linux/fs.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+
+#if 0
+#define DEBUGP printk
+#else
+#define DEBUGP(fmt , ...)
+#endif
+
+void *module_alloc(unsigned long size)
+{
+        if (size == 0)
+                return NULL;
+        return vmalloc(size);
+}
+
+
+/* Free memory returned from module_alloc */
+void module_free(struct module *mod, void *module_region)
+{
+        vfree(module_region);
+        /* FIXME: If module_region == mod->init_region, trim exception
+           table entries. */
+}
+
+/* We don't need anything special. */
+int module_frob_arch_sections(Elf_Ehdr *hdr,
+                              Elf_Shdr *sechdrs,
+                              char *secstrings,
+                              struct module *mod)
+{
+        return 0;
+}
+
+int apply_relocate(Elf32_Shdr *sechdrs,
+                   const char *strtab,
+                   unsigned int symindex,
+                   unsigned int relsec,
+                   struct module *me)
+{
+        unsigned int i;
+        Elf32_Rel *rel = (void *)sechdrs[relsec].sh_addr;
+        Elf32_Sym *sym;
+        uint32_t *location;
+
+        DEBUGP("Applying relocate section %u to %u\n", relsec,
+               sechdrs[relsec].sh_info);
+        for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) {
+                /* This is where to make the change */
+                location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_offset
+                        + rel[i].r_offset;
+                /* This is the symbol it is referring to.  Note that all
+                   undefined symbols have been resolved.  */
+                sym = (Elf32_Sym *)sechdrs[symindex].sh_addr
+                        + ELF32_R_SYM(rel[i].r_info);
+
+                /* We add the value into the location given */
+                *location += sym->st_value;
+        }
+        return 0;
+}
+
+int apply_relocate_add(Elf32_Shdr *sechdrs,
+                       const char *strtab,
+                       unsigned int symindex,
+                       unsigned int relsec,
+                       struct module *me)
+{
+        unsigned int i;
+        Elf32_Rela *rela = (void *)sechdrs[relsec].sh_addr;
+
+        DEBUGP ("Applying relocate section %u to %u\n", relsec,
+                sechdrs[relsec].sh_info);
+
+        for (i = 0; i < sechdrs[relsec].sh_size / sizeof (*rela); i++) {
+                /* This is where to make the change */
+                uint32_t *loc
+                        = ((void *)sechdrs[sechdrs[relsec].sh_info].sh_addr
+                           + rela[i].r_offset);
+                /* This is the symbol it is referring to.  Note that all
+                   undefined symbols have been resolved.  */
+                Elf32_Sym *sym
+                        = ((Elf32_Sym *)sechdrs[symindex].sh_addr
+                           + ELF32_R_SYM (rela[i].r_info));
+                *loc = sym->st_value + rela[i].r_addend;
+        }
+
+        return 0;
+}
+
+int module_finalize(const Elf_Ehdr *hdr,
+                    const Elf_Shdr *sechdrs,
+                    struct module *me)
+{
+        return 0;
+}
+
+void module_arch_cleanup(struct module *mod)
+{
+}