aboutsummaryrefslogtreecommitdiff
path: root/arch/ia64/kernel/module.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ia64/kernel/module.c')
-rw-r--r--arch/ia64/kernel/module.c111
1 files changed, 55 insertions, 56 deletions
diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c
index 7a2f0a798d1..24603be24c1 100644
--- a/arch/ia64/kernel/module.c
+++ b/arch/ia64/kernel/module.c
@@ -25,7 +25,6 @@
SEGREL64LSB
*/
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/sched.h>
@@ -136,15 +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;
@@ -181,7 +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);
@@ -192,7 +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 */
@@ -206,7 +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 */
@@ -311,18 +304,11 @@ 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)
{
- if (mod->arch.init_unw_table && module_region == mod->module_init) {
+ if (mod && mod->arch.init_unw_table &&
+ module_region == mod->module_init) {
unw_remove_unwind_table(mod->arch.init_unw_table);
mod->arch.init_unw_table = NULL;
}
@@ -455,6 +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);
@@ -494,7 +488,7 @@ module_frob_arch_sections (Elf_Ehdr *ehdr, Elf_Shdr *sechdrs, char *secstrings,
mod->arch.opd->sh_addralign = 8;
mod->arch.opd->sh_size = fdescs * sizeof(struct fdesc);
DEBUGP("%s: core.plt=%lx, init.plt=%lx, got=%lx, fdesc=%lx\n",
- __FUNCTION__, mod->arch.core_plt->sh_size, mod->arch.init_plt->sh_size,
+ __func__, mod->arch.core_plt->sh_size, mod->arch.init_plt->sh_size,
mod->arch.got->sh_size, mod->arch.opd->sh_size);
return 0;
}
@@ -534,8 +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;
@@ -586,7 +579,7 @@ get_plt (struct module *mod, const struct insn *insn, uint64_t value, int *okp)
#if ARCH_MODULE_DEBUG
if (plt_target(plt) != target_ip) {
printk("%s: mistargeted PLT: wanted %lx, got %lx\n",
- __FUNCTION__, target_ip, plt_target(plt));
+ __func__, target_ip, plt_target(plt));
*okp = 0;
return 0;
}
@@ -703,8 +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",
- __FUNCTION__, 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;
@@ -738,7 +732,7 @@ do_reloc (struct module *mod, uint8_t r_type, Elf64_Sym *sym, uint64_t addend,
case R_IA64_LDXMOV:
if (gp_addressable(mod, val)) {
/* turn "ld8" into "mov": */
- DEBUGP("%s: patching ld8 at %p to mov\n", __FUNCTION__, location);
+ DEBUGP("%s: patching ld8 at %p to mov\n", __func__, location);
ia64_patch((u64) location, 0x1fff80fe000UL, 0x10000000000UL);
}
return 0;
@@ -772,7 +766,7 @@ do_reloc (struct module *mod, uint8_t r_type, Elf64_Sym *sym, uint64_t addend,
if (!ok)
return -ENOEXEC;
- DEBUGP("%s: [%p]<-%016lx = %s(%lx)\n", __FUNCTION__, location, val,
+ DEBUGP("%s: [%p]<-%016lx = %s(%lx)\n", __func__, location, val,
reloc_name[r_type] ? reloc_name[r_type] : "?", sym->st_value + addend);
switch (format) {
@@ -808,7 +802,7 @@ apply_relocate_add (Elf64_Shdr *sechdrs, const char *strtab, unsigned int symind
Elf64_Shdr *target_sec;
int ret;
- DEBUGP("%s: applying section %u (%u relocs) to %u\n", __FUNCTION__,
+ DEBUGP("%s: applying section %u (%u relocs) to %u\n", __func__,
relsec, n, sechdrs[relsec].sh_info);
target_sec = sechdrs + sechdrs[relsec].sh_info;
@@ -836,7 +830,7 @@ apply_relocate_add (Elf64_Shdr *sechdrs, const char *strtab, unsigned int symind
gp = mod->core_size / 2;
gp = (uint64_t) mod->module_core + ((gp + 7) & -8);
mod->arch.gp = gp;
- DEBUGP("%s: placing gp at 0x%lx\n", __FUNCTION__, gp);
+ DEBUGP("%s: placing gp at 0x%lx\n", __func__, gp);
}
for (i = 0; i < n; i++) {
@@ -851,18 +845,10 @@ 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
- * we can register (and unregister) each "segment" seperately. Fortunately, this sounds
+ * we can register (and unregister) each "segment" separately. Fortunately, this sounds
* more complicated than it really is.
*/
static void
@@ -904,7 +890,7 @@ register_unwind_table (struct module *mod)
init = start + num_core;
}
- DEBUGP("%s: name=%s, gp=%lx, num_init=%lu, num_core=%lu\n", __FUNCTION__,
+ DEBUGP("%s: name=%s, gp=%lx, num_init=%lu, num_core=%lu\n", __func__,
mod->name, mod->arch.gp, num_init, num_core);
/*
@@ -913,13 +899,13 @@ register_unwind_table (struct module *mod)
if (num_core > 0) {
mod->arch.core_unw_table = unw_add_unwind_table(mod->name, 0, mod->arch.gp,
core, core + num_core);
- DEBUGP("%s: core: handle=%p [%p-%p)\n", __FUNCTION__,
+ DEBUGP("%s: core: handle=%p [%p-%p)\n", __func__,
mod->arch.core_unw_table, core, core + num_core);
}
if (num_init > 0) {
mod->arch.init_unw_table = unw_add_unwind_table(mod->name, 0, mod->arch.gp,
init, init + num_init);
- DEBUGP("%s: init: handle=%p [%p-%p)\n", __FUNCTION__,
+ DEBUGP("%s: init: handle=%p [%p-%p)\n", __func__,
mod->arch.init_unw_table, init, init + num_init);
}
}
@@ -927,9 +913,33 @@ register_unwind_table (struct module *mod)
int
module_finalize (const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs, struct module *mod)
{
- DEBUGP("%s: init: entry=%p\n", __FUNCTION__, mod->init);
+ 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;
}
@@ -941,14 +951,3 @@ module_arch_cleanup (struct module *mod)
if (mod->arch.core_unw_table)
unw_remove_unwind_table(mod->arch.core_unw_table);
}
-
-#ifdef CONFIG_SMP
-void
-percpu_modcopy (void *pcpudst, const void *src, unsigned long size)
-{
- unsigned int i;
- for_each_cpu(i) {
- memcpy(pcpudst + __per_cpu_offset[i], src, size);
- }
-}
-#endif /* CONFIG_SMP */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 22:23:54 +0000