[SPARC]: Updated module support.

arch/sparc/kernel/Makefile

@@ -22,6 +22,7 @@ obj-$(CONFIG_SMP) += trampoline.o smp.o sun4m_smp.o sun4d_smp.o
 obj-$(CONFIG_SUN_AUXIO) += auxio.o
 obj-$(CONFIG_PCI) += ebus.o
 obj-$(CONFIG_SUN_PM) += apc.o pmc.o
+obj-$(CONFIG_MODULES) += module.o
 
 ifdef CONFIG_SUNOS_EMUL
 obj-y += sys_sunos.o sunos_ioctl.o

arch/sparc/kernel/module.c

+/* Kernel module help for sparc32.
+ *
+ * Copyright (C) 2001 Rusty Russell.
+ * Copyright (C) 2002 David S. Miller.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/elf.h>
+#include <linux/vmalloc.h>
+#include <linux/fs.h>
+#include <linux/string.h>
+
+static void *alloc_and_zero(unsigned long size)
+{
+	void *ret;
+
+	/* We handle the zero case fine, unlike vmalloc */
+	if (size == 0)
+		return NULL;
+
+	ret = vmalloc(size);
+	if (!ret)
+		ret = ERR_PTR(-ENOMEM);
+	else
+		memset(ret, 0, size);
+
+	return ret;
+}
+
+/* Free memory returned from module_core_alloc/module_init_alloc */
+void module_free(struct module *mod, void *module_region)
+{
+	vfree(module_region);
+	/* FIXME: If module_region == mod->init_region, trim exception
+           table entries. */
+}
+
+void *module_core_alloc(const Elf32_Ehdr *hdr,
+			const Elf32_Shdr *sechdrs,
+			const char *secstrings,
+			struct module *module)
+{
+	return alloc_and_zero(module->core_size);
+}
+
+void *module_init_alloc(const Elf32_Ehdr *hdr,
+			const Elf32_Shdr *sechdrs,
+			const char *secstrings,
+			struct module *module)
+{
+	return alloc_and_zero(module->init_size);
+}
+
+int apply_relocate(Elf32_Shdr *sechdrs,
+		   const char *strtab,
+		   unsigned int symindex,
+		   unsigned int relsec,
+		   struct module *me)
+{
+	printk(KERN_ERR "module %s: non-ADD RELOCATION unsupported\n",
+	       me->name);
+	return -ENOEXEC;
+}
+
+int apply_relocate_add(Elf32_Shdr *sechdrs,
+		       const char *strtab,
+		       unsigned int symindex,
+		       unsigned int relsec,
+		       struct module *me)
+{
+	unsigned int i;
+	Elf32_Rela *rel = (void *)sechdrs[relsec].sh_offset;
+	Elf32_Sym *sym;
+	u8 *location;
+	u32 *loc32;
+
+	for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) {
+		Elf32_Addr v;
+
+		/* This is where to make the change */
+		location = (u8 *)sechdrs[sechdrs[relsec].sh_info].sh_offset
+			+ rel[i].r_offset;
+		loc32 = (u32 *) location;
+		/* This is the symbol it is referring to */
+		sym = (Elf32_Sym *)sechdrs[symindex].sh_offset
+			+ ELF32_R_SYM(rel[i].r_info);
+		if (!(v = sym->st_value)) {
+			printk(KERN_WARNING "%s: Unknown symbol %s\n",
+			       me->name, strtab + sym->st_name);
+			return -ENOENT;
+		}
+		v += rel->r_addend;
+
+		switch (ELF32_R_TYPE(rel[i].r_info)) {
+		case R_SPARC_32:
+			location[0] = v >> 24;
+			location[1] = v >> 16;
+			location[2] = v >>  8;
+			location[3] = v >>  0;
+			break;
+
+		case R_SPARC_WDISP30:
+			v -= (Elf32_Addr) location;
+			*loc32 = (*loc32 & ~0x3fffffff) |
+				((v >> 2) & 0x3fffffff);
+			break;
+
+		case R_SPARC_WDISP22:
+			v -= (Elf32_Addr) location;
+			*loc32 = (*loc32 & ~0x3fffff) |
+				((v >> 2) & 0x3fffff);
+			break;
+
+		case R_SPARC_LO10:
+			*loc32 = (*loc32 & ~0x3ff) | (v & 0x3ff);
+			break;
+
+		case R_SPARC_HI22:
+			*loc32 = (*loc32 & ~0x3fffff) |
+				((v >> 10) & 0x3fffff);
+			break;
+
+		default:
+			printk(KERN_ERR "module %s: Unknown relocation: %x\n",
+			       me->name,
+			       (int) (ELF32_R_TYPE(rel[i].r_info) & 0xff));
+			return -ENOEXEC;
+		}
+	}
+	return 0;
+}
+
+int module_finalize(const Elf_Ehdr *hdr,
+		    const Elf_Shdr *sechdrs,
+		    struct module *me)
+{
+	return 0;
+}

arch/sparc/kernel/systbls.S

@@ -54,7 +54,7 @@ sys_call_table:
 /*165*/	.long sys_quotactl, sys_nis_syscall, sys_mount, sys_ustat, sys_setxattr
 /*170*/	.long sys_lsetxattr, sys_fsetxattr, sys_getxattr, sys_lgetxattr, sys_getdents
 /*175*/	.long sys_setsid, sys_fchdir, sys_fgetxattr, sys_listxattr, sys_llistxattr
-/*180*/	.long sys_flistxattr, sys_removexattr, sys_lremovexattr, sys_sigpending, sys_query_module
+/*180*/	.long sys_flistxattr, sys_removexattr, sys_lremovexattr, sys_sigpending, sys_ni_syscall
 /*185*/	.long sys_setpgid, sys_fremovexattr, sys_tkill, sys_exit_group, sys_newuname
 /*190*/	.long sys_init_module, sys_personality, sparc_remap_file_pages, sys_nis_syscall, sys_nis_syscall
 /*195*/	.long sys_nis_syscall, sys_nis_syscall, sys_getppid, sparc_sigaction, sys_sgetmask
@@ -62,7 +62,7 @@ sys_call_table:
 /*205*/	.long sys_readahead, sys_socketcall, sys_syslog, sys_lookup_dcookie, sys_nis_syscall
 /*210*/	.long sys_nis_syscall, sys_nis_syscall, sys_waitpid, sys_swapoff, sys_sysinfo
 /*215*/	.long sys_ipc, sys_sigreturn, sys_clone, sys_nis_syscall, sys_adjtimex
-/*220*/	.long sys_sigprocmask, sys_create_module, sys_delete_module, sys_get_kernel_syms, sys_getpgid
+/*220*/	.long sys_sigprocmask, sys_ni_syscall, sys_delete_module, sys_ni_syscall, sys_getpgid
 /*225*/	.long sys_bdflush, sys_sysfs, sys_nis_syscall, sys_setfsuid16, sys_setfsgid16
 /*230*/	.long sys_select, sys_time, sys_nis_syscall, sys_stime, sys_nis_syscall
 					  /* "We are the Knights of the Forest of Ni!!" */

arch/sparc/vmlinux.lds.S

@@ -29,9 +29,12 @@ SECTIONS
   __start___ex_table = .;
   __ex_table : { *(__ex_table) }
   __stop___ex_table = .;
+
+  . = ALIGN(64);
   __start___ksymtab = .;
   __ksymtab  : { *(__ksymtab) }
   __stop___ksymtab = .;
+
   __start___kallsyms = .;	/* All kernel symbols */
   __kallsyms : { *(__kallsyms) }
   __stop___kallsyms = .;

arch/sparc64/kernel/Makefile

@@ -21,6 +21,7 @@ obj-$(CONFIG_SMP)	 += smp.o trampoline.o
 obj-$(CONFIG_SPARC32_COMPAT) += sys32.o sys_sparc32.o signal32.o ioctl32.o
 obj-$(CONFIG_BINFMT_ELF32) += binfmt_elf32.o
 obj-$(CONFIG_BINFMT_AOUT32) += binfmt_aout32.o
+obj-$(CONFIG_MODULES) += module.o
 
 ifdef CONFIG_SUNOS_EMUL
   obj-y += sys_sunos32.o sunos_ioctl32.o

arch/sparc64/kernel/module.c

+/* Kernel module help for sparc64.
+ *
+ * Copyright (C) 2001 Rusty Russell.
+ * Copyright (C) 2002 David S. Miller.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/elf.h>
+#include <linux/vmalloc.h>
+#include <linux/fs.h>
+#include <linux/string.h>
+
+static void *alloc_and_zero(unsigned long size)
+{
+	void *ret;
+
+	/* We handle the zero case fine, unlike vmalloc */
+	if (size == 0)
+		return NULL;
+
+	ret = vmalloc(size);
+	if (!ret)
+		ret = ERR_PTR(-ENOMEM);
+	else
+		memset(ret, 0, size);
+
+	return ret;
+}
+
+/* Free memory returned from module_core_alloc/module_init_alloc */
+void module_free(struct module *mod, void *module_region)
+{
+	vfree(module_region);
+	/* FIXME: If module_region == mod->init_region, trim exception
+           table entries. */
+}
+
+void *module_core_alloc(const Elf64_Ehdr *hdr,
+			const Elf64_Shdr *sechdrs,
+			const char *secstrings,
+			struct module *module)
+{
+	return alloc_and_zero(module->core_size);
+}
+
+void *module_init_alloc(const Elf64_Ehdr *hdr,
+			const Elf64_Shdr *sechdrs,
+			const char *secstrings,
+			struct module *module)
+{
+	return alloc_and_zero(module->init_size);
+}
+
+int apply_relocate(Elf64_Shdr *sechdrs,
+		   const char *strtab,
+		   unsigned int symindex,
+		   unsigned int relsec,
+		   struct module *me)
+{
+	printk(KERN_ERR "module %s: non-ADD RELOCATION unsupported\n",
+	       me->name);
+	return -ENOEXEC;
+}
+
+int apply_relocate_add(Elf64_Shdr *sechdrs,
+		       const char *strtab,
+		       unsigned int symindex,
+		       unsigned int relsec,
+		       struct module *me)
+{
+	unsigned int i;
+	Elf64_Rela *rel = (void *)sechdrs[relsec].sh_offset;
+	Elf64_Sym *sym;
+	u8 *location;
+	u32 *loc32;
+
+	for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) {
+		Elf64_Addr v;
+
+		/* This is where to make the change */
+		location = (u8 *)sechdrs[sechdrs[relsec].sh_info].sh_offset
+			+ rel[i].r_offset;
+		loc32 = (u32 *) location;
+		/* This is the symbol it is referring to */
+		sym = (Elf64_Sym *)sechdrs[symindex].sh_offset
+			+ ELF64_R_SYM(rel[i].r_info);
+		if (!(v = sym->st_value)) {
+			printk(KERN_WARNING "%s: Unknown symbol %s\n",
+			       me->name, strtab + sym->st_name);
+			return -ENOENT;
+		}
+		v += rel->r_addend;
+
+		switch (ELF64_R_TYPE(rel[i].r_info) & 0xff) {
+		case R_SPARC_64:
+			location[0] = v >> 56;
+			location[1] = v >> 48;
+			location[2] = v >> 40;
+			location[3] = v >> 32;
+			location[4] = v >> 24;
+			location[5] = v >> 16;
+			location[6] = v >>  8;
+			location[7] = v >>  0;
+			break;
+
+		case R_SPARC_32:
+			location[0] = v >> 24;
+			location[1] = v >> 16;
+			location[2] = v >>  8;
+			location[3] = v >>  0;
+			break;
+
+		case R_SPARC_WDISP30:
+			v -= (Elf64_Addr) location;
+			*loc32 = (*loc32 & ~0x3fffffff) |
+				((v >> 2) & 0x3fffffff);
+			break;
+
+		case R_SPARC_WDISP22:
+			v -= (Elf64_Addr) location;
+			*loc32 = (*loc32 & ~0x3fffff) |
+				((v >> 2) & 0x3fffff);
+			break;
+
+		case R_SPARC_LO10:
+			*loc32 = (*loc32 & ~0x3ff) | (v & 0x3ff);
+			break;
+
+		case R_SPARC_HI22:
+			*loc32 = (*loc32 & ~0x3fffff) |
+				((v >> 10) & 0x3fffff);
+			break;
+
+		default:
+			printk(KERN_ERR "module %s: Unknown relocation: %x\n",
+			       me->name,
+			       (int) (ELF64_R_TYPE(rel[i].r_info) & 0xff));
+			return -ENOEXEC;
+		}
+	}
+	return 0;
+}
+
+int module_finalize(const Elf_Ehdr *hdr,
+		    const Elf_Shdr *sechdrs,
+		    struct module *me)
+{
+	return 0;
+}

arch/sparc64/kernel/sys_sparc32.c

@@ -3113,388 +3113,28 @@ asmlinkage int sparc32_execve(struct pt_regs *regs)
 
 #ifdef CONFIG_MODULES
 
-extern asmlinkage unsigned long sys_create_module(const char *name_user, size_t size);
+extern asmlinkage long sys_init_module(const char *name_user,
+				       struct module *mod_user);
 
-asmlinkage unsigned long sys32_create_module(const char *name_user, __kernel_size_t32 size)
-{
-	return sys_create_module(name_user, (size_t)size);
-}
-
-extern asmlinkage int sys_init_module(const char *name_user, struct module *mod_user);
-
-/* Hey, when you're trying to init module, take time and prepare us a nice 64bit
- * module structure, even if from 32bit modutils... Why to pollute kernel... :))
+/* Hey, when you're trying to init module, take time and prepare us a nice
+ * 64bit module structure, even if from 32bit modutils... Why to pollute
+ * kernel... :))
  */
-asmlinkage int sys32_init_module(const char *name_user, struct module *mod_user)
+asmlinkage int sys32_init_module(const char *name_user,
+				 struct module *mod_user)
 {
 	return sys_init_module(name_user, mod_user);
 }
 
-extern asmlinkage int sys_delete_module(const char *name_user);
+extern asmlinkage long sys_delete_module(const char *name_user);
 
 asmlinkage int sys32_delete_module(const char *name_user)
 {
 	return sys_delete_module(name_user);
 }
 
-struct module_info32 {
-	u32 addr;
-	u32 size;
-	u32 flags;
-	s32 usecount;
-};
-
-/* Query various bits about modules.  */
-
-static inline long
-get_mod_name(const char *user_name, char **buf)
-{
-	unsigned long page;
-	long retval;
-
-	if ((unsigned long)user_name >= TASK_SIZE
-	    && !segment_eq(get_fs (), KERNEL_DS))
-		return -EFAULT;
-
-	page = __get_free_page(GFP_KERNEL);
-	if (!page)
-		return -ENOMEM;
-
-	retval = strncpy_from_user((char *)page, user_name, PAGE_SIZE);
-	if (retval > 0) {
-		if (retval < PAGE_SIZE) {
-			*buf = (char *)page;
-			return retval;
-		}
-		retval = -ENAMETOOLONG;
-	} else if (!retval)
-		retval = -EINVAL;
-
-	free_page(page);
-	return retval;
-}
-
-static inline void
-put_mod_name(char *buf)
-{
-	free_page((unsigned long)buf);
-}
-
-static __inline__ struct module *find_module(const char *name)
-{
-	struct module *mod;
-
-	for (mod = module_list; mod ; mod = mod->next) {
-		if (mod->flags & MOD_DELETED)
-			continue;
-		if (!strcmp(mod->name, name))
-			break;
-	}
-
-	return mod;
-}
-
-static int
-qm_modules(char *buf, size_t bufsize, __kernel_size_t32 *ret)
-{
-	struct module *mod;
-	size_t nmod, space, len;
-
-	nmod = space = 0;
-
-	for (mod = module_list; mod->next != NULL; mod = mod->next, ++nmod) {
-		len = strlen(mod->name)+1;
-		if (len > bufsize)
-			goto calc_space_needed;
-		if (copy_to_user(buf, mod->name, len))
-			return -EFAULT;
-		buf += len;
-		bufsize -= len;
-		space += len;
-	}
-
-	if (put_user(nmod, ret))
-		return -EFAULT;
-	else
-		return 0;
-
-calc_space_needed:
-	space += len;
-	while ((mod = mod->next)->next != NULL)
-		space += strlen(mod->name)+1;
-
-	if (put_user(space, ret))
-		return -EFAULT;
-	else
-		return -ENOSPC;
-}
-
-static int
-qm_deps(struct module *mod, char *buf, size_t bufsize, __kernel_size_t32 *ret)
-{
-	size_t i, space, len;
-
-	if (mod->next == NULL)
-		return -EINVAL;
-	if (!MOD_CAN_QUERY(mod))
-		return put_user(0, ret);
-
-	space = 0;
-	for (i = 0; i < mod->ndeps; ++i) {
-		const char *dep_name = mod->deps[i].dep->name;
-
-		len = strlen(dep_name)+1;
-		if (len > bufsize)
-			goto calc_space_needed;
-		if (copy_to_user(buf, dep_name, len))
-			return -EFAULT;
-		buf += len;
-		bufsize -= len;
-		space += len;
-	}
-
-	return put_user(i, ret);
-
-calc_space_needed:
-	space += len;
-	while (++i < mod->ndeps)
-		space += strlen(mod->deps[i].dep->name)+1;
-
-	if (put_user(space, ret))
-		return -EFAULT;
-	else
-		return -ENOSPC;
-}
-
-static int
-qm_refs(struct module *mod, char *buf, size_t bufsize, __kernel_size_t32 *ret)
-{
-	size_t nrefs, space, len;
-	struct module_ref *ref;
-
-	if (mod->next == NULL)
-		return -EINVAL;
-	if (!MOD_CAN_QUERY(mod))
-		if (put_user(0, ret))
-			return -EFAULT;
-		else
-			return 0;
-
-	space = 0;
-	for (nrefs = 0, ref = mod->refs; ref ; ++nrefs, ref = ref->next_ref) {
-		const char *ref_name = ref->ref->name;
-
-		len = strlen(ref_name)+1;
-		if (len > bufsize)
-			goto calc_space_needed;
-		if (copy_to_user(buf, ref_name, len))
-			return -EFAULT;
-		buf += len;
-		bufsize -= len;
-		space += len;
-	}
-
-	if (put_user(nrefs, ret))
-		return -EFAULT;
-	else
-		return 0;
-
-calc_space_needed:
-	space += len;
-	while ((ref = ref->next_ref) != NULL)
-		space += strlen(ref->ref->name)+1;
-
-	if (put_user(space, ret))
-		return -EFAULT;
-	else
-		return -ENOSPC;
-}
-
-static inline int
-qm_symbols(struct module *mod, char *buf, size_t bufsize, __kernel_size_t32 *ret)
-{
-	size_t i, space, len;
-	struct module_symbol *s;
-	char *strings;
-	unsigned *vals;
-
-	if (!MOD_CAN_QUERY(mod))
-		if (put_user(0, ret))
-			return -EFAULT;
-		else
-			return 0;
-
-	space = mod->nsyms * 2*sizeof(u32);
-
-	i = len = 0;
-	s = mod->syms;
-
-	if (space > bufsize)
-		goto calc_space_needed;
-
-	if (!access_ok(VERIFY_WRITE, buf, space))
-		return -EFAULT;
-
-	bufsize -= space;
-	vals = (unsigned *)buf;
-	strings = buf+space;
-
-	for (; i < mod->nsyms ; ++i, ++s, vals += 2) {
-		len = strlen(s->name)+1;
-		if (len > bufsize)
-			goto calc_space_needed;
-
-		if (copy_to_user(strings, s->name, len)
-		    || __put_user(s->value, vals+0)
-		    || __put_user(space, vals+1))
-			return -EFAULT;
-
-		strings += len;
-		bufsize -= len;
-		space += len;
-	}
-
-	if (put_user(i, ret))
-		return -EFAULT;
-	else
-		return 0;
-
-calc_space_needed:
-	for (; i < mod->nsyms; ++i, ++s)
-		space += strlen(s->name)+1;
-
-	if (put_user(space, ret))
-		return -EFAULT;
-	else
-		return -ENOSPC;
-}
-
-static inline int
-qm_info(struct module *mod, char *buf, size_t bufsize, __kernel_size_t32 *ret)
-{
-	int error = 0;
-
-	if (mod->next == NULL)
-		return -EINVAL;
-
-	if (sizeof(struct module_info32) <= bufsize) {
-		struct module_info32 info;
-		info.addr = (unsigned long)mod;
-		info.size = mod->size;
-		info.flags = mod->flags;
-		info.usecount =
-			((mod_member_present(mod, can_unload)
-			  && mod->can_unload)
-			 ? -1 : atomic_read(&mod->uc.usecount));
-
-		if (copy_to_user(buf, &info, sizeof(struct module_info32)))
-			return -EFAULT;
-	} else
-		error = -ENOSPC;
-
-	if (put_user(sizeof(struct module_info32), ret))
-		return -EFAULT;
-
-	return error;
-}
-
-asmlinkage int sys32_query_module(char *name_user, int which, char *buf, __kernel_size_t32 bufsize, u32 ret)
-{
-	struct module *mod;
-	int err;
-
-	lock_kernel();
-	if (name_user == 0) {
-		/* This finds "kernel_module" which is not exported. */
-		for(mod = module_list; mod->next != NULL; mod = mod->next)
-			;
-	} else {
-		long namelen;
-		char *name;
-
-		if ((namelen = get_mod_name(name_user, &name)) < 0) {
-			err = namelen;
-			goto out;
-		}
-		err = -ENOENT;
-		if (namelen == 0) {
-			/* This finds "kernel_module" which is not exported. */
-			for(mod = module_list; mod->next != NULL; mod = mod->next)
-				;
-		} else if ((mod = find_module(name)) == NULL) {
-			put_mod_name(name);
-			goto out;
-		}
-		put_mod_name(name);
-	}
-
-	switch (which)
-	{
-	case 0:
-		err = 0;
-		break;
-	case QM_MODULES:
-		err = qm_modules(buf, bufsize, (__kernel_size_t32 *)AA(ret));
-		break;
-	case QM_DEPS:
-		err = qm_deps(mod, buf, bufsize, (__kernel_size_t32 *)AA(ret));
-		break;
-	case QM_REFS:
-		err = qm_refs(mod, buf, bufsize, (__kernel_size_t32 *)AA(ret));
-		break;
-	case QM_SYMBOLS:
-		err = qm_symbols(mod, buf, bufsize, (__kernel_size_t32 *)AA(ret));
-		break;
-	case QM_INFO:
-		err = qm_info(mod, buf, bufsize, (__kernel_size_t32 *)AA(ret));
-		break;
-	default:
-		err = -EINVAL;
-		break;
-	}
-out:
-	unlock_kernel();
-	return err;
-}
-
-struct kernel_sym32 {
-	u32 value;
-	char name[60];
-};
-		 
-extern asmlinkage int sys_get_kernel_syms(struct kernel_sym *table);
-
-asmlinkage int sys32_get_kernel_syms(struct kernel_sym32 *table)
-{
-	int len, i;
-	struct kernel_sym *tbl;
-	mm_segment_t old_fs;
-	
-	len = sys_get_kernel_syms(NULL);
-	if (!table) return len;
-	tbl = kmalloc (len * sizeof (struct kernel_sym), GFP_KERNEL);
-	if (!tbl) return -ENOMEM;
-	old_fs = get_fs();
-	set_fs (KERNEL_DS);
-	sys_get_kernel_syms(tbl);
-	set_fs (old_fs);
-	for (i = 0; i < len; i++, table++) {
-		if (put_user (tbl[i].value, &table->value) ||
-		    copy_to_user (table->name, tbl[i].name, 60))
-			break;
-	}
-	kfree (tbl);
-	return i;
-}
-
 #else /* CONFIG_MODULES */
 
-asmlinkage unsigned long
-sys32_create_module(const char *name_user, size_t size)
-{
-	return -ENOSYS;
-}
-
 asmlinkage int
 sys32_init_module(const char *name_user, struct module *mod_user)
 {
@@ -3507,24 +3147,6 @@ sys32_delete_module(const char *name_user)
 	return -ENOSYS;
 }
 
-asmlinkage int
-sys32_query_module(const char *name_user, int which, char *buf, size_t bufsize,
-		 size_t *ret)
-{
-	/* Let the program know about the new interface.  Not that
-	   it'll do them much good.  */
-	if (which == 0)
-		return 0;
-
-	return -ENOSYS;
-}
-
-asmlinkage int
-sys32_get_kernel_syms(struct kernel_sym *table)
-{
-	return -ENOSYS;
-}
-
 #endif  /* CONFIG_MODULES */
 
 #if defined(CONFIG_NFSD) || defined(CONFIG_NFSD_MODULE)

arch/sparc64/kernel/systbls.S

@@ -55,7 +55,7 @@ sys_call_table32:
 	.word sys_quotactl, sys_nis_syscall, sys32_mount, sys_ustat, sys_setxattr
 /*170*/	.word sys_lsetxattr, sys_fsetxattr, sys_getxattr, sys_lgetxattr, sys32_getdents
 	.word sys_setsid, sys_fchdir, sys_fgetxattr, sys_listxattr, sys_llistxattr
-/*180*/	.word sys_flistxattr, sys_removexattr, sys_lremovexattr, sys32_sigpending, sys32_query_module
+/*180*/	.word sys_flistxattr, sys_removexattr, sys_lremovexattr, sys32_sigpending, sys_ni_syscall
 	.word sys_setpgid, sys_fremovexattr, sys_tkill, sys_exit_group, sparc64_newuname
 /*190*/	.word sys32_init_module, sparc64_personality, sys_remap_file_pages, sys_nis_syscall, sys_nis_syscall
 	.word sys_nis_syscall, sys_nis_syscall, sys_getppid, sys32_sigaction, sys_sgetmask
@@ -63,7 +63,7 @@ sys_call_table32:
 	.word sys32_readahead, sys32_socketcall, sys_syslog, sys_lookup_dcookie, sys_nis_syscall
 /*210*/	.word sys_nis_syscall, sys_nis_syscall, sys_waitpid, sys_swapoff, sys32_sysinfo
 	.word sys32_ipc, sys32_sigreturn, sys_clone, sys_nis_syscall, sys32_adjtimex
-/*220*/	.word sys32_sigprocmask, sys32_create_module, sys32_delete_module, sys32_get_kernel_syms, sys_getpgid
+/*220*/	.word sys32_sigprocmask, sys_ni_syscall, sys32_delete_module, sys_ni_syscall, sys_getpgid
 	.word sys32_bdflush, sys32_sysfs, sys_nis_syscall, sys32_setfsuid16, sys32_setfsgid16
 /*230*/	.word sys32_select, sys_time, sys_nis_syscall, sys_stime, sys_alloc_hugepages
 	.word sys_free_hugepages, sys_llseek, sys_mlock, sys_munlock, sys_mlockall
@@ -114,7 +114,7 @@ sys_call_table:
 	.word sys_quotactl, sys_nis_syscall, sys_mount, sys_ustat, sys_setxattr
 /*170*/	.word sys_lsetxattr, sys_fsetxattr, sys_getxattr, sys_lgetxattr, sys_getdents
 	.word sys_setsid, sys_fchdir, sys_fgetxattr, sys_listxattr, sys_llistxattr
-/*180*/	.word sys_flistxattr, sys_removexattr, sys_lremovexattr, sys_nis_syscall, sys_query_module
+/*180*/	.word sys_flistxattr, sys_removexattr, sys_lremovexattr, sys_nis_syscall, sys_ni_syscall
 	.word sys_setpgid, sys_fremovexattr, sys_tkill, sys_exit_group, sparc64_newuname
 /*190*/	.word sys_init_module, sparc64_personality, sys_remap_file_pages, sys_nis_syscall, sys_nis_syscall
 	.word sys_nis_syscall, sys_nis_syscall, sys_getppid, sys_nis_syscall, sys_sgetmask
@@ -122,7 +122,7 @@ sys_call_table:
 	.word sys_readahead, sys_socketcall, sys_syslog, sys_lookup_dcookie, sys_nis_syscall
 /*210*/	.word sys_nis_syscall, sys_nis_syscall, sys_waitpid, sys_swapoff, sys_sysinfo
 	.word sys_ipc, sys_nis_syscall, sys_clone, sys_nis_syscall, sys_adjtimex
-/*220*/	.word sys_nis_syscall, sys_create_module, sys_delete_module, sys_get_kernel_syms, sys_getpgid
+/*220*/	.word sys_nis_syscall, sys_ni_syscall, sys_delete_module, sys_ni_syscall, sys_getpgid
 	.word sys_bdflush, sys_sysfs, sys_nis_syscall, sys_setfsuid, sys_setfsgid
 /*230*/	.word sys_select, sys_nis_syscall, sys_nis_syscall, sys_stime, sys_nis_syscall
 	.word sys_nis_syscall, sys_llseek, sys_mlock, sys_munlock, sys_mlockall

arch/sparc64/mm/Makefile

@@ -4,7 +4,7 @@
 
 EXTRA_AFLAGS := -ansi
 
-obj-y    := ultra.o fault.o init.o generic.o extable.o modutil.o
+obj-y    := ultra.o fault.o init.o generic.o extable.o
 
 obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
 

arch/sparc64/mm/modutil.c

-/*  $Id: modutil.c,v 1.11 2001/12/05 06:05:35 davem Exp $
- *  arch/sparc64/mm/modutil.c
- *
- *  Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
- *  Based upon code written by Linus Torvalds and others.
- */
-
-#include <linux/slab.h>
-#include <linux/vmalloc.h>
-#include <linux/mm.h>
-
-#include <asm/uaccess.h>
-#include <asm/system.h>
-
-static struct vm_struct * modvmlist = NULL;
-
-void module_unmap (void * addr)
-{
-	struct vm_struct **p, *tmp;
-	int i;
-
-	if (!addr)
-		return;
-	if ((PAGE_SIZE-1) & (unsigned long) addr) {
-		printk("Trying to unmap module with bad address (%p)\n", addr);
-		return;
-	}
-
-	for (p = &modvmlist ; (tmp = *p) ; p = &tmp->next) {
-		if (tmp->addr == addr) {
-			*p = tmp->next;
-			goto found;
-		}
-	}
-	printk("Trying to unmap nonexistent module vm area (%p)\n", addr);
-	return;
-
-found:
-	unmap_vm_area(tmp);
-	
-	for (i = 0; i < tmp->nr_pages; i++) {
-		if (unlikely(!tmp->pages[i]))
-			BUG();
-		__free_page(tmp->pages[i]);
-	}
-
-	kfree(tmp->pages);
-	kfree(tmp);
-}
-
-
-void * module_map (unsigned long size)
-{
-	struct vm_struct **p, *tmp, *area;
-	struct page **pages;
-	void * addr;
-	unsigned int nr_pages, array_size, i;
-
-	size = PAGE_ALIGN(size);
-	if (!size || size > MODULES_LEN)
-		return NULL;
-		
-	addr = (void *) MODULES_VADDR;
-	for (p = &modvmlist; (tmp = *p) ; p = &tmp->next) {
-		if (size + (unsigned long) addr < (unsigned long) tmp->addr)
-			break;
-		addr = (void *) (tmp->size + (unsigned long) tmp->addr);
-	}
-	if ((unsigned long) addr + size >= MODULES_END)
-		return NULL;
-	
-	area = (struct vm_struct *) kmalloc(sizeof(*area), GFP_KERNEL);
-	if (!area)
-		return NULL;
-	area->size = size + PAGE_SIZE;
-	area->addr = addr;
-	area->next = *p;
-	area->pages = NULL;
-	area->nr_pages = 0;
-	area->phys_addr = 0;
-	*p = area;
-
-	nr_pages = size >> PAGE_SHIFT;
-	array_size = (nr_pages * sizeof(struct page *));
-
-	area->nr_pages = nr_pages;
-	area->pages = pages = kmalloc(array_size, GFP_KERNEL);
-	if (!area->pages)
-		goto fail;
-
-	memset(area->pages, 0, array_size);
-
-	for (i = 0; i < area->nr_pages; i++) {
-		area->pages[i] = alloc_page(GFP_KERNEL);
-		if (unlikely(!area->pages[i]))
-			goto fail;
-	}
-	
-	if (map_vm_area(area, PAGE_KERNEL, &pages)) {
-		unmap_vm_area(area);
-		goto fail;
-	}
-
-	return area->addr;
-
-fail:
-	if (area->pages) {
-		for (i = 0; i < area->nr_pages; i++) {
-			if (area->pages[i])
-				__free_page(area->pages[i]);
-		}
-		kfree(area->pages);
-	}
-	kfree(area);
-
-	return NULL;
-}

arch/sparc64/vmlinux.lds.S

@@ -27,10 +27,13 @@ SECTIONS
   _edata  =  .;
   PROVIDE (edata = .);
   .fixup   : { *(.fixup) }
+
   . = ALIGN(16);
   __start___ex_table = .;
   __ex_table : { *(__ex_table) }
   __stop___ex_table = .;
+
+  . = ALIGN(64);
   __start___ksymtab = .;
   __ksymtab  : { *(__ksymtab) }
   __stop___ksymtab = .;

include/asm-sparc/module.h

 #ifndef _ASM_SPARC_MODULE_H
 #define _ASM_SPARC_MODULE_H
-/*
- * This file contains the sparc architecture specific module code.
- */
-
-#define module_map(x)		vmalloc(x)
-#define module_unmap(x)		vfree(x)
-#define module_arch_init(x)	(0)
-#define arch_init_modules(x)	do { } while (0)
-
+struct mod_arch_specific { };
+#define Elf_Shdr Elf32_Shdr
+#define Elf_Sym Elf32_Sym
+#define Elf_Ehdr Elf32_Ehdr
 #endif /* _ASM_SPARC_MODULE_H */

include/asm-sparc64/module.h

 #ifndef _ASM_SPARC64_MODULE_H
 #define _ASM_SPARC64_MODULE_H
-/*
- * This file contains the sparc64 architecture specific module code.
- */
-
-extern void * module_map (unsigned long size);
-extern void module_unmap (void *addr);
-#define module_arch_init(x)	(0)
-#define arch_init_modules(x)	do { } while (0)
-
+struct mod_arch_specific { };
+#define Elf_Shdr Elf64_Shdr
+#define Elf_Sym Elf64_Sym
+#define Elf_Ehdr Elf64_Ehdr
 #endif /* _ASM_SPARC64_MODULE_H */