Peter Maydell | 3ad0a76 | 2021-09-08 16:44:00 +0100 | [diff] [blame] | 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 | #endif /* LINUX_USER_LOADER_H */ |