2 * Copyright (c) 2014-2015 Dmitry V. Levin <ldv@altlinux.org>
3 * Copyright (c) 2014-2018 The strace developers.
6 * SPDX-License-Identifier: LGPL-2.1-or-later
11 #include "xlat/kexec_load_flags.h"
12 #include "xlat/kexec_arch_values.h"
14 #ifndef KEXEC_ARCH_MASK
15 # define KEXEC_ARCH_MASK 0xffff0000
17 #ifndef KEXEC_SEGMENT_MAX
18 # define KEXEC_SEGMENT_MAX 16
22 print_seg(struct tcb *tcp, void *elem_buf, size_t elem_size, void *data)
24 const kernel_ulong_t *seg;
25 kernel_ulong_t seg_buf[4];
27 if (elem_size < sizeof(seg_buf)) {
30 for (i = 0; i < ARRAY_SIZE(seg_buf); ++i)
31 seg_buf[i] = ((unsigned int *) elem_buf)[i];
39 tprintf(", bufsz=%" PRI_klu ", mem=", seg[1]);
41 tprintf(", memsz=%" PRI_klu "}", seg[3]);
47 print_kexec_segments(struct tcb *const tcp, const kernel_ulong_t addr,
48 const kernel_ulong_t len)
50 if (len > KEXEC_SEGMENT_MAX) {
55 kernel_ulong_t seg[4];
56 const size_t sizeof_seg = ARRAY_SIZE(seg) * current_wordsize;
58 print_array(tcp, addr, len, seg, sizeof_seg,
59 tfetch_mem, print_seg, 0);
64 /* entry, nr_segments */
65 printaddr(tcp->u_arg[0]);
66 tprintf(", %" PRI_klu ", ", tcp->u_arg[1]);
69 print_kexec_segments(tcp, tcp->u_arg[2], tcp->u_arg[1]);
73 kernel_ulong_t n = tcp->u_arg[3];
74 printxval64(kexec_arch_values, n & KEXEC_ARCH_MASK, "KEXEC_ARCH_???");
75 n &= ~(kernel_ulong_t) KEXEC_ARCH_MASK;
78 printflags64(kexec_load_flags, n, "KEXEC_???");
84 #include "xlat/kexec_file_load_flags.h"
86 SYS_FUNC(kexec_file_load)
89 printfd(tcp, tcp->u_arg[0]);
92 printfd(tcp, tcp->u_arg[1]);
95 tprintf("%" PRI_klu ", ", tcp->u_arg[2]);
97 printstrn(tcp, tcp->u_arg[3], tcp->u_arg[2]);
100 printflags64(kexec_file_load_flags, tcp->u_arg[4], "KEXEC_FILE_???");