* 04/13/01 D. Mosberger dropped saving tssd in ar.k1---it's not needed
* 09/14/01 D. Mosberger fixed memory management for gdt/tss page
*/
-#include <linux/config.h>
#include <linux/types.h>
#include <linux/mm.h>
static void elf32_set_personality (void);
+static unsigned long __attribute ((unused))
+randomize_stack_top(unsigned long stack_top);
+
#define setup_arg_pages(bprm,tos,exec) ia32_setup_arg_pages(bprm,exec)
#define elf_map elf32_map
* it with privilege level 3 because the IVE uses non-privileged accesses to these
* tables. IA-32 segmentation is used to protect against IA-32 accesses to them.
*/
- vma = kmem_cache_alloc(vm_area_cachep, SLAB_KERNEL);
+ vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
if (vma) {
memset(vma, 0, sizeof(*vma));
vma->vm_mm = current->mm;
* code is locked in specific gate page, which is pointed by pretcode
* when setup_frame_ia32
*/
- vma = kmem_cache_alloc(vm_area_cachep, SLAB_KERNEL);
+ vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
if (vma) {
memset(vma, 0, sizeof(*vma));
vma->vm_mm = current->mm;
* Install LDT as anonymous memory. This gives us all-zero segment descriptors
* until a task modifies them via modify_ldt().
*/
- vma = kmem_cache_alloc(vm_area_cachep, SLAB_KERNEL);
+ vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
if (vma) {
memset(vma, 0, sizeof(*vma));
vma->vm_mm = current->mm;
int
ia32_setup_arg_pages (struct linux_binprm *bprm, int executable_stack)
{
- unsigned long stack_base, grow;
+ unsigned long stack_base;
struct vm_area_struct *mpnt;
struct mm_struct *mm = current->mm;
int i, ret;
bprm->loader += stack_base;
bprm->exec += stack_base;
- mpnt = kmem_cache_alloc(vm_area_cachep, SLAB_KERNEL);
+ mpnt = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
if (!mpnt)
return -ENOMEM;
- grow = (IA32_STACK_TOP - (PAGE_MASK & (unsigned long) bprm->p))
- >> PAGE_SHIFT;
- if (security_vm_enough_memory(grow) ||
- !vx_vmpages_avail(mm, grow)) {
- kmem_cache_free(vm_area_cachep, mpnt);
- return -ENOMEM;
- }
-
memset(mpnt, 0, sizeof(*mpnt));
down_write(¤t->mm->mmap_sem);
kmem_cache_free(vm_area_cachep, mpnt);
return ret;
}
- // current->mm->stack_vm = current->mm->total_vm = vma_pages(mpnt);
vx_vmpages_sub(current->mm, current->mm->total_vm - vma_pages(mpnt));
current->mm->stack_vm = current->mm->total_vm;
}
{
set_personality(PER_LINUX32);
current->thread.map_base = IA32_PAGE_OFFSET/3;
- current->thread.task_size = IA32_PAGE_OFFSET; /* use what Linux/x86 uses... */
- set_fs(USER_DS); /* set addr limit for new TASK_SIZE */
}
static unsigned long
-elf32_map (struct file *filep, unsigned long addr, struct elf_phdr *eppnt, int prot, int type)
+elf32_map (struct file *filep, unsigned long addr, struct elf_phdr *eppnt, int prot, int type, unsigned long unused)
{
unsigned long pgoff = (eppnt->p_vaddr) & ~IA32_PAGE_MASK;