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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/fs/binfmt_em86.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/fs/binfmt_em86.c')
-rw-r--r-- | ANDROID_3.4.5/fs/binfmt_em86.c | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/ANDROID_3.4.5/fs/binfmt_em86.c b/ANDROID_3.4.5/fs/binfmt_em86.c deleted file mode 100644 index 2790c7e1..00000000 --- a/ANDROID_3.4.5/fs/binfmt_em86.c +++ /dev/null @@ -1,114 +0,0 @@ -/* - * linux/fs/binfmt_em86.c - * - * Based on linux/fs/binfmt_script.c - * Copyright (C) 1996 Martin von Löwis - * original #!-checking implemented by tytso. - * - * em86 changes Copyright (C) 1997 Jim Paradis - */ - -#include <linux/module.h> -#include <linux/string.h> -#include <linux/stat.h> -#include <linux/binfmts.h> -#include <linux/elf.h> -#include <linux/init.h> -#include <linux/fs.h> -#include <linux/file.h> -#include <linux/errno.h> - - -#define EM86_INTERP "/usr/bin/em86" -#define EM86_I_NAME "em86" - -static int load_em86(struct linux_binprm *bprm,struct pt_regs *regs) -{ - char *interp, *i_name, *i_arg; - struct file * file; - int retval; - struct elfhdr elf_ex; - - /* Make sure this is a Linux/Intel ELF executable... */ - elf_ex = *((struct elfhdr *)bprm->buf); - - if (memcmp(elf_ex.e_ident, ELFMAG, SELFMAG) != 0) - return -ENOEXEC; - - /* First of all, some simple consistency checks */ - if ((elf_ex.e_type != ET_EXEC && elf_ex.e_type != ET_DYN) || - (!((elf_ex.e_machine == EM_386) || (elf_ex.e_machine == EM_486))) || - (!bprm->file->f_op || !bprm->file->f_op->mmap)) { - return -ENOEXEC; - } - - bprm->recursion_depth++; /* Well, the bang-shell is implicit... */ - allow_write_access(bprm->file); - fput(bprm->file); - bprm->file = NULL; - - /* Unlike in the script case, we don't have to do any hairy - * parsing to find our interpreter... it's hardcoded! - */ - interp = EM86_INTERP; - i_name = EM86_I_NAME; - i_arg = NULL; /* We reserve the right to add an arg later */ - - /* - * Splice in (1) the interpreter's name for argv[0] - * (2) (optional) argument to interpreter - * (3) filename of emulated file (replace argv[0]) - * - * This is done in reverse order, because of how the - * user environment and arguments are stored. - */ - remove_arg_zero(bprm); - retval = copy_strings_kernel(1, &bprm->filename, bprm); - if (retval < 0) return retval; - bprm->argc++; - if (i_arg) { - retval = copy_strings_kernel(1, &i_arg, bprm); - if (retval < 0) return retval; - bprm->argc++; - } - retval = copy_strings_kernel(1, &i_name, bprm); - if (retval < 0) return retval; - bprm->argc++; - - /* - * OK, now restart the process with the interpreter's inode. - * Note that we use open_exec() as the name is now in kernel - * space, and we don't need to copy it. - */ - file = open_exec(interp); - if (IS_ERR(file)) - return PTR_ERR(file); - - bprm->file = file; - - retval = prepare_binprm(bprm); - if (retval < 0) - return retval; - - return search_binary_handler(bprm, regs); -} - -static struct linux_binfmt em86_format = { - .module = THIS_MODULE, - .load_binary = load_em86, -}; - -static int __init init_em86_binfmt(void) -{ - register_binfmt(&em86_format); - return 0; -} - -static void __exit exit_em86_binfmt(void) -{ - unregister_binfmt(&em86_format); -} - -core_initcall(init_em86_binfmt); -module_exit(exit_em86_binfmt); -MODULE_LICENSE("GPL"); |