LXR qemu/linux-user/loader.h

   1/*
   2 * loader.h: prototypes for linux-user guest binary loader
   3 *
   4 *  This program is free software; you can redistribute it and/or modify
   5 *  it under the terms of the GNU General Public License as published by
   6 *  the Free Software Foundation; either version 2 of the License, or
   7 *  (at your option) any later version.
   8 *
   9 *  This program is distributed in the hope that it will be useful,
  10 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 *  GNU General Public License for more details.
  13 *
  14 *  You should have received a copy of the GNU General Public License
  15 *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  16 */
  17
  18#ifndef LINUX_USER_LOADER_H
  19#define LINUX_USER_LOADER_H
  20
  21/*
  22 * Read a good amount of data initially, to hopefully get all the
  23 * program headers loaded.
  24 */
  25#define BPRM_BUF_SIZE  1024
  26
  27/*
  28 * This structure is used to hold the arguments that are
  29 * used when loading binaries.
  30 */
  31struct linux_binprm {
  32        char buf[BPRM_BUF_SIZE] __attribute__((aligned));
  33        abi_ulong p;
  34        int fd;
  35        int e_uid, e_gid;
  36        int argc, envc;
  37        char **argv;
  38        char **envp;
  39        char *filename;        /* Name of binary */
  40        int (*core_dump)(int, const CPUArchState *); /* coredump routine */
  41};
  42
  43void do_init_thread(struct target_pt_regs *regs, struct image_info *infop);
  44abi_ulong loader_build_argptr(int envc, int argc, abi_ulong sp,
  45                              abi_ulong stringp, int push_ptr);
  46int loader_exec(int fdexec, const char *filename, char **argv, char **envp,
  47             struct target_pt_regs *regs, struct image_info *infop,
  48             struct linux_binprm *);
  49
  50uint32_t get_elf_eflags(int fd);
  51int load_elf_binary(struct linux_binprm *bprm, struct image_info *info);
  52int load_flt_binary(struct linux_binprm *bprm, struct image_info *info);
  53
  54abi_long memcpy_to_target(abi_ulong dest, const void *src,
  55                          unsigned long len);
  56
  57extern unsigned long guest_stack_size;
  58
  59#endif /* LINUX_USER_LOADER_H */
  60