#include <asm/uaccess.h>
#include <asm/param.h>
#include <asm/pgalloc.h>
+#include <asm/exec.h>
typedef char *elf_caddr_t;
static int __init init_elf_fdpic_binfmt(void)
{
- return register_binfmt(&elf_fdpic_format);
+ register_binfmt(&elf_fdpic_format);
+ return 0;
}
static void __exit exit_elf_fdpic_binfmt(void)
* mm->dumpable = 0 regardless of the interpreter's
* permissions.
*/
- if (file_permission(interpreter, MAY_READ) < 0)
- bprm->interp_flags |= BINPRM_FLAGS_ENFORCE_NONDUMP;
+ would_dump(bprm, interpreter);
retval = kernel_read(interpreter, 0, bprm->buf,
BINPRM_BUF_SIZE);
current->mm->context.exec_fdpic_loadmap = 0;
current->mm->context.interp_fdpic_loadmap = 0;
- current->flags &= ~PF_FORKNOEXEC;
-
#ifdef CONFIG_MMU
elf_fdpic_arch_lay_out_mm(&exec_params,
&interp_params,
(executable_stack == EXSTACK_DEFAULT && VM_STACK_FLAGS & VM_EXEC))
stack_prot |= PROT_EXEC;
- down_write(¤t->mm->mmap_sem);
- current->mm->start_brk = do_mmap(NULL, 0, stack_size, stack_prot,
+ current->mm->start_brk = vm_mmap(NULL, 0, stack_size, stack_prot,
MAP_PRIVATE | MAP_ANONYMOUS |
MAP_UNINITIALIZED | MAP_GROWSDOWN,
0);
if (IS_ERR_VALUE(current->mm->start_brk)) {
- up_write(¤t->mm->mmap_sem);
retval = current->mm->start_brk;
current->mm->start_brk = 0;
goto error_kill;
}
- up_write(¤t->mm->mmap_sem);
-
current->mm->brk = current->mm->start_brk;
current->mm->context.end_brk = current->mm->start_brk;
current->mm->context.end_brk +=
#endif
install_exec_creds(bprm);
- current->flags &= ~PF_FORKNOEXEC;
if (create_elf_fdpic_tables(bprm, current->mm,
&exec_params, &interp_params) < 0)
goto error_kill;
if (params->flags & ELF_FDPIC_FLAG_EXECUTABLE)
mflags |= MAP_EXECUTABLE;
- down_write(&mm->mmap_sem);
- maddr = do_mmap(NULL, load_addr, top - base,
+ maddr = vm_mmap(NULL, load_addr, top - base,
PROT_READ | PROT_WRITE | PROT_EXEC, mflags, 0);
- up_write(&mm->mmap_sem);
if (IS_ERR_VALUE(maddr))
return (int) maddr;
/* clear any space allocated but not loaded */
if (phdr->p_filesz < phdr->p_memsz) {
- ret = clear_user((void *) (seg->addr + phdr->p_filesz),
- phdr->p_memsz - phdr->p_filesz);
- if (ret)
- return ret;
+ if (clear_user((void *) (seg->addr + phdr->p_filesz),
+ phdr->p_memsz - phdr->p_filesz))
+ return -EFAULT;
}
if (mm) {
}
} else if (!mm->start_data) {
mm->start_data = seg->addr;
-#ifndef CONFIG_MMU
mm->end_data = seg->addr + phdr->p_memsz;
-#endif
}
-
-#ifdef CONFIG_MMU
- if (seg->addr + phdr->p_memsz > mm->end_data)
- mm->end_data = seg->addr + phdr->p_memsz;
-#endif
}
seg++;
struct elf32_fdpic_loadseg *seg;
struct elf32_phdr *phdr;
unsigned long load_addr, delta_vaddr;
- int loop, dvset, ret;
+ int loop, dvset;
load_addr = params->load_addr;
delta_vaddr = 0;
/* create the mapping */
disp = phdr->p_vaddr & ~PAGE_MASK;
- down_write(&mm->mmap_sem);
- maddr = do_mmap(file, maddr, phdr->p_memsz + disp, prot, flags,
+ maddr = vm_mmap(file, maddr, phdr->p_memsz + disp, prot, flags,
phdr->p_offset - disp);
- up_write(&mm->mmap_sem);
kdebug("mmap[%d] <file> sz=%lx pr=%x fl=%x of=%lx --> %08lx",
loop, phdr->p_memsz + disp, prot, flags,
* PT_LOAD */
if (prot & PROT_WRITE && disp > 0) {
kdebug("clear[%d] ad=%lx sz=%lx", loop, maddr, disp);
- ret = clear_user((void __user *) maddr, disp);
- if (ret)
- return ret;
+ if (clear_user((void __user *) maddr, disp))
+ return -EFAULT;
maddr += disp;
}
unsigned long xmaddr;
flags |= MAP_FIXED | MAP_ANONYMOUS;
- down_write(&mm->mmap_sem);
- xmaddr = do_mmap(NULL, xaddr, excess - excess1,
+ xmaddr = vm_mmap(NULL, xaddr, excess - excess1,
prot, flags, 0);
- up_write(&mm->mmap_sem);
kdebug("mmap[%d] <anon>"
" ad=%lx sz=%lx pr=%x fl=%x of=0 --> %08lx",
if (prot & PROT_WRITE && excess1 > 0) {
kdebug("clear[%d] ad=%lx sz=%lx",
loop, maddr + phdr->p_filesz, excess1);
- ret = clear_user((void __user *) maddr + phdr->p_filesz,
- excess1);
- if (ret)
- return ret;
+ if (clear_user((void __user *) maddr + phdr->p_filesz,
+ excess1))
+ return -EFAULT;
}
#else
if (excess > 0) {
kdebug("clear[%d] ad=%lx sz=%lx",
loop, maddr + phdr->p_filesz, excess);
- ret = clear_user((void *) maddr + phdr->p_filesz, excess);
- if (ret)
- return ret;
+ if (clear_user((void *) maddr + phdr->p_filesz, excess))
+ return -EFAULT;
}
#endif
kfree(psinfo);
kfree(notes);
kfree(fpu);
+ kfree(shdr4extnum);
#ifdef ELF_CORE_COPY_XFPREGS
kfree(xfpu);
#endif