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Diffstat (limited to 'arch/ia64/kernel/module.c')
-rw-r--r--arch/ia64/kernel/module.c86
1 files changed, 42 insertions, 44 deletions
diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c
index 545626f66a4..24603be24c1 100644
--- a/arch/ia64/kernel/module.c
+++ b/arch/ia64/kernel/module.c
@@ -31,11 +31,9 @@
#include <linux/elf.h>
#include <linux/moduleloader.h>
#include <linux/string.h>
-#include <linux/uaccess.h>
#include <linux/vmalloc.h>
#include <asm/patch.h>
-#include <asm/sections.h>
#include <asm/unaligned.h>
#define ARCH_MODULE_DEBUG 0
@@ -137,15 +135,6 @@ static const char *reloc_name[256] = {
#undef N
-struct got_entry {
- uint64_t val;
-};
-
-struct fdesc {
- uint64_t ip;
- uint64_t gp;
-};
-
/* Opaque struct for insns, to protect against derefs. */
struct insn;
@@ -182,7 +171,8 @@ apply_imm60 (struct module *mod, struct insn *insn, uint64_t val)
return 0;
}
if (val + ((uint64_t) 1 << 59) >= (1UL << 60)) {
- printk(KERN_ERR "%s: value %ld out of IMM60 range\n", mod->name, (int64_t) val);
+ printk(KERN_ERR "%s: value %ld out of IMM60 range\n",
+ mod->name, (long) val);
return 0;
}
ia64_patch_imm60((u64) insn, val);
@@ -193,7 +183,8 @@ static int
apply_imm22 (struct module *mod, struct insn *insn, uint64_t val)
{
if (val + (1 << 21) >= (1 << 22)) {
- printk(KERN_ERR "%s: value %li out of IMM22 range\n", mod->name, (int64_t)val);
+ printk(KERN_ERR "%s: value %li out of IMM22 range\n",
+ mod->name, (long)val);
return 0;
}
ia64_patch((u64) insn, 0x01fffcfe000UL, ( ((val & 0x200000UL) << 15) /* bit 21 -> 36 */
@@ -207,7 +198,8 @@ static int
apply_imm21b (struct module *mod, struct insn *insn, uint64_t val)
{
if (val + (1 << 20) >= (1 << 21)) {
- printk(KERN_ERR "%s: value %li out of IMM21b range\n", mod->name, (int64_t)val);
+ printk(KERN_ERR "%s: value %li out of IMM21b range\n",
+ mod->name, (long)val);
return 0;
}
ia64_patch((u64) insn, 0x11ffffe000UL, ( ((val & 0x100000UL) << 16) /* bit 20 -> 36 */
@@ -312,14 +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)
{
@@ -457,6 +441,14 @@ module_frob_arch_sections (Elf_Ehdr *ehdr, Elf_Shdr *sechdrs, char *secstrings,
mod->arch.opd = s;
else if (strcmp(".IA_64.unwind", secstrings + s->sh_name) == 0)
mod->arch.unwind = s;
+#ifdef CONFIG_PARAVIRT
+ else if (strcmp(".paravirt_bundles",
+ secstrings + s->sh_name) == 0)
+ mod->arch.paravirt_bundles = s;
+ else if (strcmp(".paravirt_insts",
+ secstrings + s->sh_name) == 0)
+ mod->arch.paravirt_insts = s;
+#endif
if (!mod->arch.core_plt || !mod->arch.init_plt || !mod->arch.got || !mod->arch.opd) {
printk(KERN_ERR "%s: sections missing\n", mod->name);
@@ -536,8 +528,7 @@ get_ltoff (struct module *mod, uint64_t value, int *okp)
goto found;
/* Not enough GOT entries? */
- if (e >= (struct got_entry *) (mod->arch.got->sh_addr + mod->arch.got->sh_size))
- BUG();
+ BUG_ON(e >= (struct got_entry *) (mod->arch.got->sh_addr + mod->arch.got->sh_size));
e->val = value;
++mod->arch.next_got_entry;
@@ -705,8 +696,9 @@ do_reloc (struct module *mod, uint8_t r_type, Elf64_Sym *sym, uint64_t addend,
case RV_PCREL2:
if (r_type == R_IA64_PCREL21BI) {
if (!is_internal(mod, val)) {
- printk(KERN_ERR "%s: %s reloc against non-local symbol (%lx)\n",
- __func__, reloc_name[r_type], val);
+ printk(KERN_ERR "%s: %s reloc against "
+ "non-local symbol (%lx)\n", __func__,
+ reloc_name[r_type], (unsigned long)val);
return -ENOEXEC;
}
format = RF_INSN21B;
@@ -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
@@ -932,6 +916,30 @@ module_finalize (const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs, struct module *mo
DEBUGP("%s: init: entry=%p\n", __func__, mod->init);
if (mod->arch.unwind)
register_unwind_table(mod);
+#ifdef CONFIG_PARAVIRT
+ if (mod->arch.paravirt_bundles) {
+ struct paravirt_patch_site_bundle *start =
+ (struct paravirt_patch_site_bundle *)
+ mod->arch.paravirt_bundles->sh_addr;
+ struct paravirt_patch_site_bundle *end =
+ (struct paravirt_patch_site_bundle *)
+ (mod->arch.paravirt_bundles->sh_addr +
+ mod->arch.paravirt_bundles->sh_size);
+
+ paravirt_patch_apply_bundle(start, end);
+ }
+ if (mod->arch.paravirt_insts) {
+ struct paravirt_patch_site_inst *start =
+ (struct paravirt_patch_site_inst *)
+ mod->arch.paravirt_insts->sh_addr;
+ struct paravirt_patch_site_inst *end =
+ (struct paravirt_patch_site_inst *)
+ (mod->arch.paravirt_insts->sh_addr +
+ mod->arch.paravirt_insts->sh_size);
+
+ paravirt_patch_apply_inst(start, end);
+ }
+#endif
return 0;
}
@@ -943,13 +951,3 @@ module_arch_cleanup (struct module *mod)
if (mod->arch.core_unw_table)
unw_remove_unwind_table(mod->arch.core_unw_table);
}
-
-void *dereference_function_descriptor(void *ptr)
-{
- struct fdesc *desc = ptr;
- void *p;
-
- if (!probe_kernel_address(&desc->ip, p))
- ptr = p;
- return ptr;
-}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-09 08:57:00 +0000