diff options
Diffstat (limited to 'fs/binfmt_elf.c')
| -rw-r--r-- | fs/binfmt_elf.c | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 4c1ea6b52a53..a43363d593e5 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -68,12 +68,6 @@ static int load_elf_binary(struct linux_binprm *bprm); -#ifdef CONFIG_USELIB -static int load_elf_library(struct file *); -#else -#define load_elf_library NULL -#endif - /* * If we don't support core dumping, then supply a NULL so we * don't even try. @@ -101,7 +95,6 @@ static int elf_core_dump(struct coredump_params *cprm); static struct linux_binfmt elf_format = { .module = THIS_MODULE, .load_binary = load_elf_binary, - .load_shlib = load_elf_library, #ifdef CONFIG_COREDUMP .core_dump = elf_core_dump, .min_coredump = ELF_EXEC_PAGESIZE, @@ -1384,75 +1377,6 @@ out_free_ph: goto out; } -#ifdef CONFIG_USELIB -/* This is really simpleminded and specialized - we are loading an - a.out library that is given an ELF header. */ -static int load_elf_library(struct file *file) -{ - struct elf_phdr *elf_phdata; - struct elf_phdr *eppnt; - int retval, error, i, j; - struct elfhdr elf_ex; - - error = -ENOEXEC; - retval = elf_read(file, &elf_ex, sizeof(elf_ex), 0); - if (retval < 0) - goto out; - - if (memcmp(elf_ex.e_ident, ELFMAG, SELFMAG) != 0) - goto out; - - /* First of all, some simple consistency checks */ - if (elf_ex.e_type != ET_EXEC || elf_ex.e_phnum > 2 || - !elf_check_arch(&elf_ex) || !file->f_op->mmap) - goto out; - if (elf_check_fdpic(&elf_ex)) - goto out; - - /* Now read in all of the header information */ - - j = sizeof(struct elf_phdr) * elf_ex.e_phnum; - /* j < ELF_MIN_ALIGN because elf_ex.e_phnum <= 2 */ - - error = -ENOMEM; - elf_phdata = kmalloc(j, GFP_KERNEL); - if (!elf_phdata) - goto out; - - eppnt = elf_phdata; - error = -ENOEXEC; - retval = elf_read(file, eppnt, j, elf_ex.e_phoff); - if (retval < 0) - goto out_free_ph; - - for (j = 0, i = 0; i<elf_ex.e_phnum; i++) - if ((eppnt + i)->p_type == PT_LOAD) - j++; - if (j != 1) - goto out_free_ph; - - while (eppnt->p_type != PT_LOAD) - eppnt++; - - /* Now use mmap to map the library into memory. */ - error = elf_load(file, ELF_PAGESTART(eppnt->p_vaddr), - eppnt, - PROT_READ | PROT_WRITE | PROT_EXEC, - MAP_FIXED_NOREPLACE | MAP_PRIVATE, - 0); - - if (error != ELF_PAGESTART(eppnt->p_vaddr)) - goto out_free_ph; - - error = 0; - -out_free_ph: - kfree(elf_phdata); -out: - return error; -} -#endif /* #ifdef CONFIG_USELIB */ - #ifdef CONFIG_ELF_CORE /* * ELF core dumper |