blob: f375ee0679b0d300eb626f91eab9e7dd93f62f1e [file] [log] [blame]
Peter Maydell3ad0a762021-09-08 16:44:00 +01001/*
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 */