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 */ 31 struct 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 43 void do_init_thread(struct target_pt_regs *regs, struct image_info *infop); 44 abi_ulong loader_build_argptr(int envc, int argc, abi_ulong sp, 45 abi_ulong stringp, int push_ptr); 46 int 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 50 uint32_t get_elf_eflags(int fd); 51 int load_elf_binary(struct linux_binprm *bprm, struct image_info *info); 52 int load_flt_binary(struct linux_binprm *bprm, struct image_info *info); 53 54 abi_long memcpy_to_target(abi_ulong dest, const void *src, 55 unsigned long len); 56 57 extern unsigned long guest_stack_size; 58 59 #ifdef TARGET_S390X 60 uint32_t get_elf_hwcap(void); 61 const char *elf_hwcap_str(uint32_t bit); 62 #endif 63 64 #endif /* LINUX_USER_LOADER_H */ 65