aboutsummaryrefslogtreecommitdiff
path: root/fs/binfmt_elf_fdpic.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/binfmt_elf_fdpic.c')
-rw-r--r--fs/binfmt_elf_fdpic.c35
1 files changed, 3 insertions, 32 deletions
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index aa5b43205e3..f3e72c5c19f 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -168,9 +168,6 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm,
struct elf_fdpic_params exec_params, interp_params;
struct elf_phdr *phdr;
unsigned long stack_size, entryaddr;
-#ifndef CONFIG_MMU
- unsigned long fullsize;
-#endif
#ifdef ELF_FDPIC_PLAT_INIT
unsigned long dynaddr;
#endif
@@ -390,11 +387,6 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm,
goto error_kill;
}
- /* expand the stack mapping to use up the entire allocation granule */
- fullsize = kobjsize((char *) current->mm->start_brk);
- if (!IS_ERR_VALUE(do_mremap(current->mm->start_brk, stack_size,
- fullsize, 0, 0)))
- stack_size = fullsize;
up_write(&current->mm->mmap_sem);
current->mm->brk = current->mm->start_brk;
@@ -1567,11 +1559,9 @@ end_coredump:
static int elf_fdpic_dump_segments(struct file *file, size_t *size,
unsigned long *limit, unsigned long mm_flags)
{
- struct vm_list_struct *vml;
-
- for (vml = current->mm->context.vmlist; vml; vml = vml->next) {
- struct vm_area_struct *vma = vml->vma;
+ struct vm_area_struct *vma;
+ for (vma = current->mm->mmap; vma; vma = vma->vm_next) {
if (!maydump(vma, mm_flags))
continue;
@@ -1617,9 +1607,6 @@ static int elf_fdpic_core_dump(long signr, struct pt_regs *regs,
elf_fpxregset_t *xfpu = NULL;
#endif
int thread_status_size = 0;
-#ifndef CONFIG_MMU
- struct vm_list_struct *vml;
-#endif
elf_addr_t *auxv;
unsigned long mm_flags;
@@ -1685,13 +1672,7 @@ static int elf_fdpic_core_dump(long signr, struct pt_regs *regs,
fill_prstatus(prstatus, current, signr);
elf_core_copy_regs(&prstatus->pr_reg, regs);
-#ifdef CONFIG_MMU
segs = current->mm->map_count;
-#else
- segs = 0;
- for (vml = current->mm->context.vmlist; vml; vml = vml->next)
- segs++;
-#endif
#ifdef ELF_CORE_EXTRA_PHDRS
segs += ELF_CORE_EXTRA_PHDRS;
#endif
@@ -1766,20 +1747,10 @@ static int elf_fdpic_core_dump(long signr, struct pt_regs *regs,
mm_flags = current->mm->flags;
/* write program headers for segments dump */
- for (
-#ifdef CONFIG_MMU
- vma = current->mm->mmap; vma; vma = vma->vm_next
-#else
- vml = current->mm->context.vmlist; vml; vml = vml->next
-#endif
- ) {
+ for (vma = current->mm->mmap; vma; vma = vma->vm_next) {
struct elf_phdr phdr;
size_t sz;
-#ifndef CONFIG_MMU
- vma = vml->vma;
-#endif
-
sz = vma->vm_end - vma->vm_start;
phdr.p_type = PT_LOAD;