1 files changed, 128 insertions, 0 deletions
diff --git a/arch/m68k/kernel/module.c b/arch/m68k/kernel/module.c
new file mode 100644
index 000000000000..3b1a2ff61ddc
--- /dev/null
+++ b/arch/m68k/kernel/module.c
@@ -0,0 +1,128 @@
+#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_addr
+                        + 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);
+                switch (ELF32_R_TYPE(rel[i].r_info)) {
+                case R_68K_32:
+                        /* We add the value into the location given */
+                        *location += sym->st_value;
+                        break;
+                case R_68K_PC32:
+                        /* Add the value, subtract its postition */
+                        *location += sym->st_value - (uint32_t)location;
+                        break;
+                default:
+                        printk(KERN_ERR "module %s: Unknown relocation: %u\n",
+                               me->name, ELF32_R_TYPE(rel[i].r_info));
+                        return -ENOEXEC;
+                }
+        }
+        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 *rel = (void *)sechdrs[relsec].sh_addr;
+        Elf32_Sym *sym;
+        uint32_t *location;
+        DEBUGP("Applying relocate_add 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_addr
+                        + 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);
+                switch (ELF32_R_TYPE(rel[i].r_info)) {
+                case R_68K_32:
+                        /* We add the value into the location given */
+                        *location = rel[i].r_addend + sym->st_value;
+                        break;
+                case R_68K_PC32:
+                        /* Add the value, subtract its postition */
+                        *location = rel[i].r_addend + sym->st_value - (uint32_t)location;
+                        break;
+                default:
+                        printk(KERN_ERR "module %s: Unknown relocation: %u\n",
+                               me->name, ELF32_R_TYPE(rel[i].r_info));
+                        return -ENOEXEC;
+                }
+        }
+        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.c b/arch/m68k/kernel/module.c new file mode 100644 index 000000000000..3b1a2ff61ddc --- /dev/null +++ b/arch/m68k/kernel/module.c
@@ -0,0 +1,128 @@
	1	#include <linux/moduleloader.h>
	2	#include <linux/elf.h>
	3	#include <linux/vmalloc.h>
	4	#include <linux/fs.h>
	5	#include <linux/string.h>
	6	#include <linux/kernel.h>
	7
	8	#if 0
	9	#define DEBUGP printk
	10	#else
	11	#define DEBUGP(fmt...)
	12	#endif
	13
	14	void *module_alloc(unsigned long size)
	15	{
	16	if (size == 0)
	17	return NULL;
	18	return vmalloc(size);
	19	}
	20
	21
	22	/* Free memory returned from module_alloc */
	23	void module_free(struct module mod, void module_region)
	24	{
	25	vfree(module_region);
	26	/* FIXME: If module_region == mod->init_region, trim exception
	27	table entries. */
	28	}
	29
	30	/* We don't need anything special. */
	31	int module_frob_arch_sections(Elf_Ehdr *hdr,
	32	Elf_Shdr *sechdrs,
	33	char *secstrings,
	34	struct module *mod)
	35	{
	36	return 0;
	37	}
	38
	39	int apply_relocate(Elf32_Shdr *sechdrs,
	40	const char *strtab,
	41	unsigned int symindex,
	42	unsigned int relsec,
	43	struct module *me)
	44	{
	45	unsigned int i;
	46	Elf32_Rel rel = (void )sechdrs[relsec].sh_addr;
	47	Elf32_Sym *sym;
	48	uint32_t *location;
	49
	50	DEBUGP("Applying relocate section %u to %u\n", relsec,
	51	sechdrs[relsec].sh_info);
	52	for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) {
	53	/* This is where to make the change */
	54	location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr
	55	+ rel[i].r_offset;
	56	/* This is the symbol it is referring to. Note that all
	57	undefined symbols have been resolved. */
	58	sym = (Elf32_Sym *)sechdrs[symindex].sh_addr
	59	+ ELF32_R_SYM(rel[i].r_info);
	60
	61	switch (ELF32_R_TYPE(rel[i].r_info)) {
	62	case R_68K_32:
	63	/* We add the value into the location given */
	64	*location += sym->st_value;
	65	break;
	66	case R_68K_PC32:
	67	/* Add the value, subtract its postition */
	68	*location += sym->st_value - (uint32_t)location;
	69	break;
	70	default:
	71	printk(KERN_ERR "module %s: Unknown relocation: %u\n",
	72	me->name, ELF32_R_TYPE(rel[i].r_info));
	73	return -ENOEXEC;
	74	}
	75	}
	76	return 0;
	77	}
	78
	79	int apply_relocate_add(Elf32_Shdr *sechdrs,
	80	const char *strtab,
	81	unsigned int symindex,
	82	unsigned int relsec,
	83	struct module *me)
	84	{
	85	unsigned int i;
	86	Elf32_Rela rel = (void )sechdrs[relsec].sh_addr;
	87	Elf32_Sym *sym;
	88	uint32_t *location;
	89
	90	DEBUGP("Applying relocate_add section %u to %u\n", relsec,
	91	sechdrs[relsec].sh_info);
	92	for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) {
	93	/* This is where to make the change */
	94	location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr
	95	+ rel[i].r_offset;
	96	/* This is the symbol it is referring to. Note that all
	97	undefined symbols have been resolved. */
	98	sym = (Elf32_Sym *)sechdrs[symindex].sh_addr
	99	+ ELF32_R_SYM(rel[i].r_info);
	100
	101	switch (ELF32_R_TYPE(rel[i].r_info)) {
	102	case R_68K_32:
	103	/* We add the value into the location given */
	104	*location = rel[i].r_addend + sym->st_value;
	105	break;
	106	case R_68K_PC32:
	107	/* Add the value, subtract its postition */
	108	*location = rel[i].r_addend + sym->st_value - (uint32_t)location;
	109	break;
	110	default:
	111	printk(KERN_ERR "module %s: Unknown relocation: %u\n",
	112	me->name, ELF32_R_TYPE(rel[i].r_info));
	113	return -ENOEXEC;
	114	}
	115	}
	116	return 0;
	117	}
	118
	119	int module_finalize(const Elf_Ehdr *hdr,
	120	const Elf_Shdr *sechdrs,
	121	struct module *me)
	122	{
	123	return 0;
	124	}
	125
	126	void module_arch_cleanup(struct module *mod)
	127	{
	128	}