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authorJonas Bonn <jonas@southpole.se>2011-06-30 21:22:12 +0200
committerRusty Russell <rusty@rustcorp.com.au>2011-07-24 22:06:04 +0930
commit66574cc05438dd0907029075d7e6ec5ac0036fbc (patch)
tree8516792e486a535840e09b67f0831c303df3d45d
parent74e08fcf7bef973512a1f813700f802a93678670 (diff)
downloadlinux-linaro-stable-66574cc05438dd0907029075d7e6ec5ac0036fbc.tar.gz
modules: make arch's use default loader hooks
This patch removes all the module loader hook implementations in the architecture specific code where the functionality is the same as that now provided by the recently added default hooks. Signed-off-by: Jonas Bonn <jonas@southpole.se> Acked-by: Mike Frysinger <vapier@gentoo.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Michal Simek <monstr@monstr.eu> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
-rw-r--r--arch/alpha/kernel/module.c34
-rw-r--r--arch/arm/kernel/module.c29
-rw-r--r--arch/avr32/kernel/module.c20
-rw-r--r--arch/blackfin/kernel/module.c21
-rw-r--r--arch/cris/kernel/module.c43
-rw-r--r--arch/frv/kernel/module.c57
-rw-r--r--arch/h8300/kernel/module.c45
-rw-r--r--arch/ia64/kernel/module.c16
-rw-r--r--arch/m32r/kernel/module.c38
-rw-r--r--arch/m68k/kernel/module_mm.c27
-rw-r--r--arch/m68k/kernel/module_no.c34
-rw-r--r--arch/microblaze/kernel/module.c35
-rw-r--r--arch/mips/kernel/module.c20
-rw-r--r--arch/mn10300/kernel/module.c61
-rw-r--r--arch/parisc/kernel/module.c12
-rw-r--r--arch/powerpc/kernel/module.c18
-rw-r--r--arch/powerpc/kernel/module_32.c11
-rw-r--r--arch/powerpc/kernel/module_64.c10
-rw-r--r--arch/s390/kernel/module.c20
-rw-r--r--arch/score/kernel/module.c29
-rw-r--r--arch/sh/kernel/module.c35
-rw-r--r--arch/sparc/kernel/module.c28
-rw-r--r--arch/tile/kernel/module.c31
-rw-r--r--arch/unicore32/kernel/module.c35
-rw-r--r--arch/x86/kernel/module.c37
-rw-r--r--arch/xtensa/kernel/module.c43
26 files changed, 12 insertions, 777 deletions
diff --git a/arch/alpha/kernel/module.c b/arch/alpha/kernel/module.c
index ebc3c894b5a2..2fd00b7077e4 100644
--- a/arch/alpha/kernel/module.c
+++ b/arch/alpha/kernel/module.c
@@ -29,20 +29,6 @@
#define DEBUGP(fmt...)
#endif
-void *
-module_alloc(unsigned long size)
-{
- if (size == 0)
- return NULL;
- return vmalloc(size);
-}
-
-void
-module_free(struct module *mod, void *module_region)
-{
- vfree(module_region);
-}
-
/* Allocate the GOT at the end of the core sections. */
struct got_entry {
@@ -156,14 +142,6 @@ module_frob_arch_sections(Elf64_Ehdr *hdr, Elf64_Shdr *sechdrs,
}
int
-apply_relocate(Elf64_Shdr *sechdrs, const char *strtab, unsigned int symindex,
- unsigned int relsec, struct module *me)
-{
- printk(KERN_ERR "module %s: REL 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)
@@ -302,15 +280,3 @@ apply_relocate_add(Elf64_Shdr *sechdrs, const char *strtab,
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)
-{
-}
diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c
index 016d6a0830a3..05b377616fd5 100644
--- a/arch/arm/kernel/module.c
+++ b/arch/arm/kernel/module.c
@@ -43,25 +43,7 @@ void *module_alloc(unsigned long size)
GFP_KERNEL, PAGE_KERNEL_EXEC, -1,
__builtin_return_address(0));
}
-#else /* CONFIG_MMU */
-void *module_alloc(unsigned long size)
-{
- return size == 0 ? NULL : vmalloc(size);
-}
-#endif /* !CONFIG_MMU */
-
-void module_free(struct module *module, void *region)
-{
- vfree(region);
-}
-
-int module_frob_arch_sections(Elf_Ehdr *hdr,
- Elf_Shdr *sechdrs,
- char *secstrings,
- struct module *mod)
-{
- return 0;
-}
+#endif
int
apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex,
@@ -265,15 +247,6 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex,
return 0;
}
-int
-apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab,
- unsigned int symindex, unsigned int relsec, struct module *module)
-{
- printk(KERN_ERR "module %s: ADD RELOCATION unsupported\n",
- module->name);
- return -ENOEXEC;
-}
-
struct mod_unwind_map {
const Elf_Shdr *unw_sec;
const Elf_Shdr *txt_sec;
diff --git a/arch/avr32/kernel/module.c b/arch/avr32/kernel/module.c
index a727f54d64d6..596f7305d93f 100644
--- a/arch/avr32/kernel/module.c
+++ b/arch/avr32/kernel/module.c
@@ -19,13 +19,6 @@
#include <linux/moduleloader.h>
#include <linux/vmalloc.h>
-void *module_alloc(unsigned long size)
-{
- if (size == 0)
- return NULL;
- return vmalloc(size);
-}
-
void module_free(struct module *mod, void *module_region)
{
vfree(mod->arch.syminfo);
@@ -299,15 +292,6 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab,
return ret;
}
-int apply_relocate(Elf32_Shdr *sechdrs, const char *strtab,
- unsigned int symindex, unsigned int relindex,
- struct module *module)
-{
- printk(KERN_ERR "module %s: REL relocations are not supported\n",
- module->name);
- return -ENOEXEC;
-}
-
int module_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs,
struct module *module)
{
@@ -316,7 +300,3 @@ int module_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs,
return 0;
}
-
-void module_arch_cleanup(struct module *module)
-{
-}
diff --git a/arch/blackfin/kernel/module.c b/arch/blackfin/kernel/module.c
index 35e350cad9d9..4489efc52883 100644
--- a/arch/blackfin/kernel/module.c
+++ b/arch/blackfin/kernel/module.c
@@ -16,19 +16,6 @@
#include <asm/cacheflush.h>
#include <asm/uaccess.h>
-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);
-}
-
/* Transfer the section to the L1 memory */
int
module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
@@ -150,14 +137,6 @@ module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
return 0;
}
-int
-apply_relocate(Elf_Shdr * sechdrs, const char *strtab,
- unsigned int symindex, unsigned int relsec, struct module *mod)
-{
- pr_err(".rel unsupported\n");
- return -ENOEXEC;
-}
-
/*************************************************************************/
/* FUNCTION : apply_relocate_add */
/* ABSTRACT : Blackfin specific relocation handling for the loadable */
diff --git a/arch/cris/kernel/module.c b/arch/cris/kernel/module.c
index bcd502f74cda..37400f5869e6 100644
--- a/arch/cris/kernel/module.c
+++ b/arch/cris/kernel/module.c
@@ -30,45 +30,19 @@
#endif
#ifdef CONFIG_ETRAX_KMALLOCED_MODULES
-#define MALLOC_MODULE(size) kmalloc(size, GFP_KERNEL)
-#define FREE_MODULE(region) kfree(region)
-#else
-#define MALLOC_MODULE(size) vmalloc_exec(size)
-#define FREE_MODULE(region) vfree(region)
-#endif
-
void *module_alloc(unsigned long size)
{
if (size == 0)
return NULL;
- return MALLOC_MODULE(size);
+ return kmalloc(size, GFP_KERNEL);
}
-
/* Free memory returned from module_alloc */
void module_free(struct module *mod, void *module_region)
{
- FREE_MODULE(module_region);
-}
-
-/* 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)
-{
- printk(KERN_ERR "module %s: REL relocation unsupported\n", me->name);
- return -ENOEXEC;
+ kfree(module_region);
}
+#endif
int apply_relocate_add(Elf32_Shdr *sechdrs,
const char *strtab,
@@ -108,14 +82,3 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
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)
-{
-}
diff --git a/arch/frv/kernel/module.c b/arch/frv/kernel/module.c
index 711763c8a6f3..9d9835f1fe2b 100644
--- a/arch/frv/kernel/module.c
+++ b/arch/frv/kernel/module.c
@@ -22,57 +22,6 @@
#define DEBUGP(fmt...)
#endif
-void *module_alloc(unsigned long size)
-{
- if (size == 0)
- return NULL;
-
- return vmalloc_exec(size);
-}
-
-
-/* Free memory returned from module_alloc */
-void module_free(struct module *mod, void *module_region)
-{
- vfree(module_region);
-}
-
-/* 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)
-{
- printk(KERN_ERR "module %s: 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)
-{
- printk(KERN_ERR "module %s: ADD RELOCATION unsupported\n", me->name);
- return -ENOEXEC;
-}
-
-int module_finalize(const Elf_Ehdr *hdr,
- const Elf_Shdr *sechdrs,
- struct module *me)
-{
- return 0;
-}
-
-void module_arch_cleanup(struct module *mod)
-{
-}
+/* TODO: At least one of apply_relocate or apply_relocate_add must be
+ * implemented in order to get working module support.
+ */
diff --git a/arch/h8300/kernel/module.c b/arch/h8300/kernel/module.c
index db4953dc4e1b..1d526e05db19 100644
--- a/arch/h8300/kernel/module.c
+++ b/arch/h8300/kernel/module.c
@@ -11,40 +11,6 @@
#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);
-}
-
-/* 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)
-{
- printk(KERN_ERR "module %s: RELOCATION unsupported\n",
- me->name);
- return -ENOEXEC;
-}
-
int apply_relocate_add(Elf32_Shdr *sechdrs,
const char *strtab,
unsigned int symindex,
@@ -107,14 +73,3 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
me->name, rela[i].r_offset);
return -ENOEXEC;
}
-
-int module_finalize(const Elf_Ehdr *hdr,
- const Elf_Shdr *sechdrs,
- struct module *me)
-{
- return 0;
-}
-
-void module_arch_cleanup(struct module *mod)
-{
-}
diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c
index 1481b0a28ca0..24603be24c14 100644
--- a/arch/ia64/kernel/module.c
+++ b/arch/ia64/kernel/module.c
@@ -304,14 +304,6 @@ plt_target (struct plt_entry *plt)
#endif /* !USE_BRL */
-void *
-module_alloc (unsigned long size)
-{
- if (!size)
- return NULL;
- return vmalloc(size);
-}
-
void
module_free (struct module *mod, void *module_region)
{
@@ -853,14 +845,6 @@ apply_relocate_add (Elf64_Shdr *sechdrs, const char *strtab, unsigned int symind
return 0;
}
-int
-apply_relocate (Elf64_Shdr *sechdrs, const char *strtab, unsigned int symindex,
- unsigned int relsec, struct module *mod)
-{
- printk(KERN_ERR "module %s: REL relocs in section %u unsupported\n", mod->name, relsec);
- return -ENOEXEC;
-}
-
/*
* Modules contain a single unwind table which covers both the core and the init text
* sections but since the two are not contiguous, we need to split this table up such that
diff --git a/arch/m32r/kernel/module.c b/arch/m32r/kernel/module.c
index cb5f37d78d49..3071fe83ffc8 100644
--- a/arch/m32r/kernel/module.c
+++ b/arch/m32r/kernel/module.c
@@ -28,33 +28,6 @@
#define DEBUGP(fmt...)
#endif
-void *module_alloc(unsigned long size)
-{
- if (size == 0)
- return NULL;
-#ifdef CONFIG_MMU
- return vmalloc_exec(size);
-#else
- return vmalloc(size);
-#endif
-}
-
-
-/* Free memory returned from module_alloc */
-void module_free(struct module *mod, void *module_region)
-{
- vfree(module_region);
-}
-
-/* We don't need anything special. */
-int module_frob_arch_sections(Elf_Ehdr *hdr,
- Elf_Shdr *sechdrs,
- char *secstrings,
- struct module *mod)
-{
- return 0;
-}
-
#define COPY_UNALIGNED_WORD(sw, tw, align) \
{ \
void *__s = &(sw), *__t = &(tw); \
@@ -243,14 +216,3 @@ int apply_relocate(Elf32_Shdr *sechdrs,
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)
-{
-}
diff --git a/arch/m68k/kernel/module_mm.c b/arch/m68k/kernel/module_mm.c
index cd6bcb1c957e..ceafc47c96d5 100644
--- a/arch/m68k/kernel/module_mm.c
+++ b/arch/m68k/kernel/module_mm.c
@@ -19,29 +19,6 @@
#ifdef CONFIG_MODULES
-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);
-}
-
-/* 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,
@@ -131,10 +108,6 @@ int module_finalize(const Elf_Ehdr *hdr,
return 0;
}
-void module_arch_cleanup(struct module *mod)
-{
-}
-
#endif /* CONFIG_MODULES */
void module_fixup(struct module *mod, struct m68k_fixup_info *start,
diff --git a/arch/m68k/kernel/module_no.c b/arch/m68k/kernel/module_no.c
index d11ffae7956a..5a097c6063fa 100644
--- a/arch/m68k/kernel/module_no.c
+++ b/arch/m68k/kernel/module_no.c
@@ -11,29 +11,6 @@
#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);
-}
-
-/* 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,
@@ -113,14 +90,3 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
}
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)
-{
-}
diff --git a/arch/microblaze/kernel/module.c b/arch/microblaze/kernel/module.c
index 0e73f6606547..142426f631bb 100644
--- a/arch/microblaze/kernel/module.c
+++ b/arch/microblaze/kernel/module.c
@@ -18,37 +18,6 @@
#include <asm/pgtable.h>
#include <asm/cacheflush.h>
-void *module_alloc(unsigned long size)
-{
- void *ret;
- ret = (size == 0) ? NULL : vmalloc(size);
- pr_debug("module_alloc (%08lx@%08lx)\n", size, (unsigned long int)ret);
- return ret;
-}
-
-void module_free(struct module *module, void *region)
-{
- pr_debug("module_free(%s,%08lx)\n", module->name,
- (unsigned long)region);
- vfree(region);
-}
-
-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 *module)
-{
- printk(KERN_ERR "module %s: ADD RELOCATION unsupported\n",
- module->name);
- return -ENOEXEC;
-}
-
int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab,
unsigned int symindex, unsigned int relsec, struct module *module)
{
@@ -155,7 +124,3 @@ int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs,
flush_dcache();
return 0;
}
-
-void module_arch_cleanup(struct module *mod)
-{
-}
diff --git a/arch/mips/kernel/module.c b/arch/mips/kernel/module.c
index dd940b701963..4b930ac4aff2 100644
--- a/arch/mips/kernel/module.c
+++ b/arch/mips/kernel/module.c
@@ -45,30 +45,14 @@ static struct mips_hi16 *mips_hi16_list;
static LIST_HEAD(dbe_list);
static DEFINE_SPINLOCK(dbe_lock);
+#ifdef MODULE_START
void *module_alloc(unsigned long size)
{
-#ifdef MODULE_START
return __vmalloc_node_range(size, 1, MODULE_START, MODULE_END,
GFP_KERNEL, PAGE_KERNEL, -1,
__builtin_return_address(0));
-#else
- if (size == 0)
- return NULL;
- return vmalloc(size);
-#endif
-}
-
-/* Free memory returned from module_alloc */
-void module_free(struct module *mod, void *module_region)
-{
- vfree(module_region);
-}
-
-int module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
- char *secstrings, struct module *mod)
-{
- return 0;
}
+#endif
static int apply_r_mips_none(struct module *me, u32 *location, Elf_Addr v)
{
diff --git a/arch/mn10300/kernel/module.c b/arch/mn10300/kernel/module.c
index 196a111e2e29..216ad23c9570 100644
--- a/arch/mn10300/kernel/module.c
+++ b/arch/mn10300/kernel/module.c
@@ -32,36 +32,6 @@
#define DEBUGP(fmt, ...)
#endif
-/*
- * allocate storage for a module
- */
-void *module_alloc(unsigned long size)
-{
- if (size == 0)
- return NULL;
- return vmalloc_exec(size);
-}
-
-/*
- * free memory returned from module_alloc()
- */
-void module_free(struct module *mod, void *module_region)
-{
- vfree(module_region);
-}
-
-/*
- * allow the arch to fix up the section table
- * - we don't need anything special
- */
-int module_frob_arch_sections(Elf_Ehdr *hdr,
- Elf_Shdr *sechdrs,
- char *secstrings,
- struct module *mod)
-{
- return 0;
-}
-
static void reloc_put16(uint8_t *p, uint32_t val)
{
p[0] = val & 0xff;
@@ -81,20 +51,6 @@ static void reloc_put32(uint8_t *p, uint32_t val)
}
/*
- * apply a REL relocation
- */
-int apply_relocate(Elf32_Shdr *sechdrs,
- const char *strtab,
- unsigned int symindex,
- unsigned int relsec,
- struct module *me)
-{
- printk(KERN_ERR "module %s: RELOCATION unsupported\n",
- me->name);
- return -ENOEXEC;
-}
-
-/*
* apply a RELA relocation
*/
int apply_relocate_add(Elf32_Shdr *sechdrs,
@@ -198,20 +154,3 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
}
return 0;
}
-
-/*
- * finish loading the module
- */
-int module_finalize(const Elf_Ehdr *hdr,
- const Elf_Shdr *sechdrs,
- struct module *me)
-{
- return 0;
-}
-
-/*
- * finish clearing the module
- */
-void module_arch_cleanup(struct module *mod)
-{
-}
diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c
index cedbbb8b18d9..5e34ccf39a49 100644
--- a/arch/parisc/kernel/module.c
+++ b/arch/parisc/kernel/module.c
@@ -540,18 +540,6 @@ static Elf_Addr get_stub(struct module *me, unsigned long value, long addend,
return (Elf_Addr)stub;
}
-int apply_relocate(Elf_Shdr *sechdrs,
- const char *strtab,
- unsigned int symindex,
- unsigned int relsec,
- struct module *me)
-{
- /* parisc should not need this ... */
- printk(KERN_ERR "module %s: RELOCATION unsupported\n",
- me->name);
- return -ENOEXEC;
-}
-
#ifndef CONFIG_64BIT
int apply_relocate_add(Elf_Shdr *sechdrs,
const char *strtab,
diff --git a/arch/powerpc/kernel/module.c b/arch/powerpc/kernel/module.c
index 49cee9df225b..a1cd701b5753 100644
--- a/arch/powerpc/kernel/module.c
+++ b/arch/powerpc/kernel/module.c
@@ -31,20 +31,6 @@
LIST_HEAD(module_bug_list);
-void *module_alloc(unsigned long size)
-{
- if (size == 0)
- return NULL;
-
- return vmalloc_exec(size);
-}
-
-/* Free memory returned from module_alloc */
-void module_free(struct module *mod, void *module_region)
-{
- vfree(module_region);
-}
-
static const Elf_Shdr *find_section(const Elf_Ehdr *hdr,
const Elf_Shdr *sechdrs,
const char *name)
@@ -93,7 +79,3 @@ int module_finalize(const Elf_Ehdr *hdr,
return 0;
}
-
-void module_arch_cleanup(struct module *mod)
-{
-}
diff --git a/arch/powerpc/kernel/module_32.c b/arch/powerpc/kernel/module_32.c
index f832773fc28e..0b6d79617d7b 100644
--- a/arch/powerpc/kernel/module_32.c
+++ b/arch/powerpc/kernel/module_32.c
@@ -174,17 +174,6 @@ int module_frob_arch_sections(Elf32_Ehdr *hdr,
return 0;
}
-int apply_relocate(Elf32_Shdr *sechdrs,
- const char *strtab,
- unsigned int symindex,
- unsigned int relsec,
- struct module *module)
-{
- printk(KERN_ERR "%s: Non-ADD RELOCATION unsupported\n",
- module->name);
- return -ENOEXEC;
-}
-
static inline int entry_matches(struct ppc_plt_entry *entry, Elf32_Addr val)
{
if (entry->jump[0] == 0x3d600000 + ((val + 0x8000) >> 16)
diff --git a/arch/powerpc/kernel/module_64.c b/arch/powerpc/kernel/module_64.c
index 8fbb12508bf3..9f44a775a106 100644
--- a/arch/powerpc/kernel/module_64.c
+++ b/arch/powerpc/kernel/module_64.c
@@ -243,16 +243,6 @@ int module_frob_arch_sections(Elf64_Ehdr *hdr,
return 0;
}
-int apply_relocate(Elf64_Shdr *sechdrs,
- const char *strtab,
- unsigned int symindex,
- unsigned int relsec,
- struct module *me)
-{
- printk(KERN_ERR "%s: Non-ADD RELOCATION unsupported\n", me->name);
- return -ENOEXEC;
-}
-
/* r2 is the TOC pointer: it actually points 0x8000 into the TOC (this
gives the value maximum span in an instruction which uses a signed
offset) */
diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c
index f7167ee4604c..dfcb3436bad0 100644
--- a/arch/s390/kernel/module.c
+++ b/arch/s390/kernel/module.c
@@ -45,13 +45,6 @@
#define PLT_ENTRY_SIZE 20
#endif /* CONFIG_64BIT */
-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)
{
@@ -176,15 +169,6 @@ module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
return 0;
}
-int
-apply_relocate(Elf_Shdr *sechdrs, const char *strtab, unsigned int symindex,
- unsigned int relsec, struct module *me)
-{
- printk(KERN_ERR "module %s: RELOCATION unsupported\n",
- me->name);
- return -ENOEXEC;
-}
-
static int
apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
struct module *me)
@@ -409,7 +393,3 @@ int module_finalize(const Elf_Ehdr *hdr,
me->arch.syminfo = NULL;
return 0;
}
-
-void module_arch_cleanup(struct module *mod)
-{
-}
diff --git a/arch/score/kernel/module.c b/arch/score/kernel/module.c
index 4de8d47becd3..469e3b64e2f2 100644
--- a/arch/score/kernel/module.c
+++ b/arch/score/kernel/module.c
@@ -27,23 +27,6 @@
#include <linux/module.h>
#include <linux/vmalloc.h>
-void *module_alloc(unsigned long size)
-{
- return size ? vmalloc(size) : NULL;
-}
-
-/* Free memory returned from module_alloc */
-void module_free(struct module *mod, void *module_region)
-{
- vfree(module_region);
-}
-
-int module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
- char *secstrings, struct module *mod)
-{
- return 0;
-}
-
int apply_relocate(Elf_Shdr *sechdrs, const char *strtab,
unsigned int symindex, unsigned int relindex,
struct module *me)
@@ -146,6 +129,9 @@ int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab,
unsigned int symindex, unsigned int relsec,
struct module *me)
{
+ /* Non-standard return value... most other arch's return -ENOEXEC
+ * for an unsupported relocation variant
+ */
return 0;
}
@@ -154,12 +140,3 @@ const struct exception_table_entry *search_module_dbetables(unsigned long addr)
{
return NULL;
}
-
-/* Put in dbe list if necessary. */
-int module_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs,
- struct module *me)
-{
- return 0;
-}
-
-void module_arch_cleanup(struct module *mod) {}
diff --git a/arch/sh/kernel/module.c b/arch/sh/kernel/module.c
index 19b1f8826aef..1b525dedd29a 100644
--- a/arch/sh/kernel/module.c
+++ b/arch/sh/kernel/module.c
@@ -34,30 +34,6 @@
#include <asm/unaligned.h>
#include <asm/dwarf.h>
-void *module_alloc(unsigned long size)
-{
- if (size == 0)
- return NULL;
-
- return vmalloc_exec(size);
-}
-
-
-/* Free memory returned from module_alloc */
-void module_free(struct module *mod, void *module_region)
-{
- vfree(module_region);
-}
-
-/* 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_add(Elf32_Shdr *sechdrs,
const char *strtab,
unsigned int symindex,
@@ -133,17 +109,6 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
return 0;
}
-int apply_relocate(Elf32_Shdr *sechdrs,
- const char *strtab,
- unsigned int symindex,
- unsigned int relsec,
- struct module *me)
-{
- printk(KERN_ERR "module %s: REL RELOCATION unsupported\n",
- me->name);
- return -ENOEXEC;
-}
-
int module_finalize(const Elf_Ehdr *hdr,
const Elf_Shdr *sechdrs,
struct module *me)
diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c
index 99ba5baa9497..da0c6c70ccb2 100644
--- a/arch/sparc/kernel/module.c
+++ b/arch/sparc/kernel/module.c
@@ -68,12 +68,6 @@ void *module_alloc(unsigned long 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);
-}
-
/* Make generic code ignore STT_REGISTER dummy undefined symbols. */
int module_frob_arch_sections(Elf_Ehdr *hdr,
Elf_Shdr *sechdrs,
@@ -107,17 +101,6 @@ int module_frob_arch_sections(Elf_Ehdr *hdr,
return 0;
}
-int apply_relocate(Elf_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(Elf_Shdr *sechdrs,
const char *strtab,
unsigned int symindex,
@@ -239,15 +222,4 @@ int module_finalize(const Elf_Ehdr *hdr,
return 0;
}
-#else
-int module_finalize(const Elf_Ehdr *hdr,
- const Elf_Shdr *sechdrs,
- struct module *me)
-{
- return 0;
-}
#endif /* CONFIG_SPARC64 */
-
-void module_arch_cleanup(struct module *mod)
-{
-}
diff --git a/arch/tile/kernel/module.c b/arch/tile/kernel/module.c
index f68df69f1f67..28fa6ece9d3a 100644
--- a/arch/tile/kernel/module.c
+++ b/arch/tile/kernel/module.c
@@ -98,25 +98,6 @@ void module_free(struct module *mod, void *module_region)
*/
}
-/* 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(Elf_Shdr *sechdrs,
- const char *strtab,
- unsigned int symindex,
- unsigned int relsec,
- struct module *me)
-{
- pr_err("module %s: .rel relocation unsupported\n", me->name);
- return -ENOEXEC;
-}
-
#ifdef __tilegx__
/*
* Validate that the high 16 bits of "value" is just the sign-extension of
@@ -249,15 +230,3 @@ int apply_relocate_add(Elf_Shdr *sechdrs,
}
return 0;
}
-
-int module_finalize(const Elf_Ehdr *hdr,
- const Elf_Shdr *sechdrs,
- struct module *me)
-{
- /* FIXME: perhaps remove the "writable" bit from the TLB? */
- return 0;
-}
-
-void module_arch_cleanup(struct module *mod)
-{
-}
diff --git a/arch/unicore32/kernel/module.c b/arch/unicore32/kernel/module.c
index 3e5a38d71a1e..8fbe8577f5e6 100644
--- a/arch/unicore32/kernel/module.c
+++ b/arch/unicore32/kernel/module.c
@@ -37,19 +37,6 @@ void *module_alloc(unsigned long size)
return __vmalloc_area(area, GFP_KERNEL, PAGE_KERNEL_EXEC);
}
-void module_free(struct module *module, void *region)
-{
- vfree(region);
-}
-
-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 relindex, struct module *module)
@@ -128,25 +115,3 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex,
}
return 0;
}
-
-int
-apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab,
- unsigned int symindex, unsigned int relsec,
- struct module *module)
-{
- printk(KERN_ERR "module %s: ADD RELOCATION unsupported\n",
- module->name);
- return -ENOEXEC;
-}
-
-int
-module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs,
- struct module *module)
-{
- return 0;
-}
-
-void
-module_arch_cleanup(struct module *mod)
-{
-}
diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c
index 52f256f2cc81..925179f871de 100644
--- a/arch/x86/kernel/module.c
+++ b/arch/x86/kernel/module.c
@@ -45,21 +45,6 @@ void *module_alloc(unsigned long size)
-1, __builtin_return_address(0));
}
-/* Free memory returned from module_alloc */
-void module_free(struct module *mod, void *module_region)
-{
- vfree(module_region);
-}
-
-/* We don't need anything special. */
-int module_frob_arch_sections(Elf_Ehdr *hdr,
- Elf_Shdr *sechdrs,
- char *secstrings,
- struct module *mod)
-{
- return 0;
-}
-
#ifdef CONFIG_X86_32
int apply_relocate(Elf32_Shdr *sechdrs,
const char *strtab,
@@ -100,17 +85,6 @@ int apply_relocate(Elf32_Shdr *sechdrs,
}
return 0;
}
-
-int apply_relocate_add(Elf32_Shdr *sechdrs,
- const char *strtab,
- unsigned int symindex,
- unsigned int relsec,
- struct module *me)
-{
- printk(KERN_ERR "module %s: ADD RELOCATION unsupported\n",
- me->name);
- return -ENOEXEC;
-}
#else /*X86_64*/
int apply_relocate_add(Elf64_Shdr *sechdrs,
const char *strtab,
@@ -181,17 +155,6 @@ overflow:
me->name);
return -ENOEXEC;
}
-
-int apply_relocate(Elf_Shdr *sechdrs,
- const char *strtab,
- unsigned int symindex,
- unsigned int relsec,
- struct module *me)
-{
- printk(KERN_ERR "non add relocation not supported\n");
- return -ENOSYS;
-}
-
#endif
int module_finalize(const Elf_Ehdr *hdr,
diff --git a/arch/xtensa/kernel/module.c b/arch/xtensa/kernel/module.c
index c1accea8cb56..451dda928c93 100644
--- a/arch/xtensa/kernel/module.c
+++ b/arch/xtensa/kernel/module.c
@@ -24,26 +24,6 @@
#undef DEBUG_RELOCATE
-void *module_alloc(unsigned long size)
-{
- if (size == 0)
- return NULL;
- return vmalloc_exec(size);
-}
-
-void module_free(struct module *mod, void *module_region)
-{
- vfree(module_region);
-}
-
-int module_frob_arch_sections(Elf32_Ehdr *hdr,
- Elf32_Shdr *sechdrs,
- char *secstrings,
- struct module *mod)
-{
- return 0;
-}
-
static int
decode_calln_opcode (unsigned char *location)
{
@@ -66,18 +46,6 @@ decode_l32r_opcode (unsigned char *location)
#endif
}
-int apply_relocate(Elf32_Shdr *sechdrs,
- const char *strtab,
- unsigned int symindex,
- unsigned int relsec,
- struct module *mod)
-{
- printk(KERN_ERR "module %s: REL RELOCATION unsupported\n",
- mod->name);
- return -ENOEXEC;
-
-}
-
int apply_relocate_add(Elf32_Shdr *sechdrs,
const char *strtab,
unsigned int symindex,
@@ -222,14 +190,3 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
}
return 0;
}
-
-int module_finalize(const Elf_Ehdr *hdr,
- const Elf_Shdr *sechdrs,
- struct module *mod)
-{
- return 0;
-}
-
-void module_arch_cleanup(struct module *mod)
-{
-}