diff --git a/usr.bin/kdump/linux.c b/usr.bin/kdump/linux.c index 1d9768fc302d..109f7b84e622 100644 --- a/usr.bin/kdump/linux.c +++ b/usr.bin/kdump/linux.c @@ -1,285 +1,514 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2022 Dmitry Chagin * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include "kdump.h" #ifdef __amd64__ -#include +#include #include #elif __aarch64__ -#include +#include #elif __i386__ -#include +#include #endif #include +#include static void print_linux_signal(int signo) { const char *signame; signame = sysdecode_linux_signal(signo); if (signame != NULL) printf("%s", signame); else printf("SIG %d", signo); } void ktrsyscall_linux(struct ktr_syscall *ktr, register_t **resip, int *resnarg, char *resc) { int narg = ktr->ktr_narg; register_t *ip, *first; int quad_align, quad_slots; char c; ip = first = &ktr->ktr_args[0]; c = *resc; quad_align = 0; quad_slots = 1; switch (ktr->ktr_code) { + case LINUX_SYS_linux_faccessat: + case LINUX_SYS_linux_fchmodat: + case LINUX_SYS_linux_fchownat: +#ifdef LINUX_SYS_linux_newfstatat + case LINUX_SYS_linux_newfstatat: +#endif +#ifdef LINUX_SYS_linux_fstatat64 + case LINUX_SYS_linux_fstatat64: +#endif +#ifdef LINUX_SYS_linux_futimesat + case LINUX_SYS_linux_futimesat: +#endif + case LINUX_SYS_linux_linkat: + case LINUX_SYS_linux_mkdirat: + case LINUX_SYS_linux_mknodat: + case LINUX_SYS_linux_openat: + case LINUX_SYS_linux_readlinkat: + case LINUX_SYS_linux_renameat: + case LINUX_SYS_linux_unlinkat: + case LINUX_SYS_linux_utimensat: + putchar('('); + print_integer_arg_valid(sysdecode_atfd, *ip); + c = ','; + ip++; + narg--; + break; + } + switch (ktr->ktr_code) { +#ifdef LINUX_SYS_linux_access + case LINUX_SYS_linux_access: +#endif + case LINUX_SYS_linux_faccessat: + print_number(ip, narg, c); + putchar(','); + print_mask_arg(sysdecode_access_mode, *ip); + ip++; + narg--; + break; +#ifdef LINUX_SYS_linux_chmod + case LINUX_SYS_linux_chmod: +#endif + case LINUX_SYS_linux_fchmodat: + print_number(ip, narg, c); + putchar(','); + decode_filemode(*ip); + ip++; + narg--; + break; + case LINUX_SYS_linux_mknodat: + print_number(ip, narg, c); + putchar(','); + decode_filemode(*ip); + ip++; + narg--; + break; +#ifdef LINUX_SYS_linux_mkdir + case LINUX_SYS_linux_mkdir: +#endif + case LINUX_SYS_linux_mkdirat: + print_number(ip, narg, c); + putchar(','); + decode_filemode(*ip); + ip++; + narg--; + break; + case LINUX_SYS_linux_linkat: + case LINUX_SYS_linux_renameat: + case LINUX_SYS_linux_symlinkat: + print_number(ip, narg, c); + putchar(','); + print_integer_arg_valid(sysdecode_atfd, *ip); + ip++; + narg--; + print_number(ip, narg, c); + break; + case LINUX_SYS_linux_fchownat: + print_number(ip, narg, c); + print_number(ip, narg, c); + print_number(ip, narg, c); + break; +#ifdef LINUX_SYS_linux_newfstatat + case LINUX_SYS_linux_newfstatat: +#endif +#ifdef LINUX_SYS_linux_fstatat64 + case LINUX_SYS_linux_fstatat64: +#endif + case LINUX_SYS_linux_utimensat: + print_number(ip, narg, c); + print_number(ip, narg, c); + break; + case LINUX_SYS_linux_unlinkat: + print_number(ip, narg, c); + break; case LINUX_SYS_linux_clock_gettime: case LINUX_SYS_linux_clock_settime: case LINUX_SYS_linux_clock_getres: case LINUX_SYS_linux_timer_create: putchar('('); sysdecode_linux_clockid(stdout, *ip); c = ','; ip++; narg--; break; case LINUX_SYS_linux_clock_nanosleep: putchar('('); sysdecode_linux_clockid(stdout, *ip); putchar(','); ip++; narg--; print_mask_arg0(sysdecode_linux_clock_flags, *ip); c = ','; ip++; narg--; break; case LINUX_SYS_linux_kill: case LINUX_SYS_linux_tkill: case LINUX_SYS_linux_rt_sigqueueinfo: print_number(ip, narg, c); putchar(','); print_linux_signal(*ip); ip++; narg--; break; case LINUX_SYS_linux_tgkill: case LINUX_SYS_linux_rt_tgsigqueueinfo: print_number(ip, narg, c); print_number(ip, narg, c); putchar(','); print_linux_signal(*ip); ip++; narg--; break; +#ifdef LINUX_SYS_linux_open + case LINUX_SYS_linux_open: +#endif + case LINUX_SYS_linux_openat: + print_number(ip, narg, c); + putchar(','); + print_mask_arg(sysdecode_linux_open_flags, ip[0]); + if ((ip[0] & LINUX_O_CREAT) == LINUX_O_CREAT) { + putchar(','); + decode_filemode(ip[1]); + } + ip += 2; + narg -= 2; + break; case LINUX_SYS_linux_rt_sigaction: putchar('('); print_linux_signal(*ip); ip++; narg--; c = ','; break; case LINUX_SYS_linux_ftruncate: case LINUX_SYS_linux_truncate: print_number(ip, narg, c); print_number64(first, ip, narg, c); break; case LINUX_SYS_linux_getitimer: case LINUX_SYS_linux_setitimer: putchar('('); print_integer_arg(sysdecode_itimer, *ip); ip++; narg--; c = ','; break; case LINUX_SYS_linux_rt_sigprocmask: #ifdef LINUX_SYS_linux_sigprocmask case LINUX_SYS_linux_sigprocmask: #endif putchar('('); print_integer_arg(sysdecode_linux_sigprocmask_how, *ip); ip++; narg--; c = ','; break; } + switch (ktr->ktr_code) { + case LINUX_SYS_linux_fchownat: + case LINUX_SYS_linux_faccessat: + case LINUX_SYS_linux_fchmodat: +#ifdef LINUX_SYS_linux_newfstatat + case LINUX_SYS_linux_newfstatat: +#endif +#ifdef LINUX_SYS_linux_fstatat64 + case LINUX_SYS_linux_fstatat64: +#endif + case LINUX_SYS_linux_linkat: + case LINUX_SYS_linux_unlinkat: + case LINUX_SYS_linux_utimensat: + putchar(','); + print_mask_arg0(sysdecode_linux_atflags, *ip); + ip++; + narg--; + break; + } *resc = c; *resip = ip; *resnarg = narg; } #if defined(__amd64__) void ktrsyscall_linux32(struct ktr_syscall *ktr, register_t **resip, int *resnarg, char *resc) { int narg = ktr->ktr_narg; register_t *ip, *first; int quad_align, quad_slots; char c; ip = first = &ktr->ktr_args[0]; c = *resc; quad_align = 0; quad_slots = 2; switch (ktr->ktr_code) { + case LINUX32_SYS_linux_faccessat: + case LINUX32_SYS_linux_fchmodat: + case LINUX32_SYS_linux_fchownat: + case LINUX32_SYS_linux_fstatat64: + case LINUX32_SYS_linux_futimesat: + case LINUX32_SYS_linux_linkat: + case LINUX32_SYS_linux_mkdirat: + case LINUX32_SYS_linux_mknodat: + case LINUX32_SYS_linux_openat: + case LINUX32_SYS_linux_readlinkat: + case LINUX32_SYS_linux_renameat: + case LINUX32_SYS_linux_unlinkat: + case LINUX32_SYS_linux_utimensat: + putchar('('); + print_integer_arg_valid(sysdecode_atfd, *ip); + c = ','; + ip++; + narg--; + break; + } + switch (ktr->ktr_code) { + case LINUX32_SYS_linux_access: + case LINUX32_SYS_linux_faccessat: + print_number(ip, narg, c); + putchar(','); + print_mask_arg(sysdecode_access_mode, *ip); + ip++; + narg--; + break; + case LINUX32_SYS_linux_chmod: + case LINUX32_SYS_fchmod: + case LINUX32_SYS_linux_fchmodat: + print_number(ip, narg, c); + putchar(','); + decode_filemode(*ip); + ip++; + narg--; + break; + case LINUX32_SYS_linux_mknodat: + print_number(ip, narg, c); + putchar(','); + decode_filemode(*ip); + ip++; + narg--; + break; + case LINUX32_SYS_linux_mkdir: + case LINUX32_SYS_linux_mkdirat: + print_number(ip, narg, c); + putchar(','); + decode_filemode(*ip); + ip++; + narg--; + break; + case LINUX32_SYS_linux_linkat: + case LINUX32_SYS_linux_renameat: + case LINUX32_SYS_linux_symlinkat: + print_number(ip, narg, c); + putchar(','); + print_integer_arg_valid(sysdecode_atfd, *ip); + ip++; + narg--; + print_number(ip, narg, c); + break; + case LINUX32_SYS_linux_fchownat: + print_number(ip, narg, c); + print_number(ip, narg, c); + print_number(ip, narg, c); + break; + case LINUX32_SYS_linux_fstatat64: + case LINUX32_SYS_linux_utimensat: + print_number(ip, narg, c); + print_number(ip, narg, c); + break; + case LINUX32_SYS_linux_unlinkat: + print_number(ip, narg, c); + break; case LINUX32_SYS_linux_clock_gettime: case LINUX32_SYS_linux_clock_settime: case LINUX32_SYS_linux_clock_getres: case LINUX32_SYS_linux_timer_create: case LINUX32_SYS_linux_clock_gettime64: case LINUX32_SYS_linux_clock_settime64: case LINUX32_SYS_linux_clock_getres_time64: putchar('('); sysdecode_linux_clockid(stdout, *ip); c = ','; ip++; narg--; break; case LINUX32_SYS_linux_clock_nanosleep: putchar('('); sysdecode_linux_clockid(stdout, *ip); putchar(','); ip++; narg--; print_mask_arg0(sysdecode_linux_clock_flags, *ip); c = ','; ip++; narg--; break; case LINUX32_SYS_linux_kill: case LINUX32_SYS_linux_tkill: case LINUX32_SYS_linux_rt_sigqueueinfo: print_number(ip, narg, c); putchar(','); print_linux_signal(*ip); ip++; narg--; break; case LINUX32_SYS_linux_tgkill: case LINUX32_SYS_linux_rt_tgsigqueueinfo: print_number(ip, narg, c); print_number(ip, narg, c); putchar(','); print_linux_signal(*ip); ip++; narg--; break; + case LINUX32_SYS_linux_open: + case LINUX32_SYS_linux_openat: + print_number(ip, narg, c); + putchar(','); + print_mask_arg(sysdecode_linux_open_flags, ip[0]); + if ((ip[0] & LINUX_O_CREAT) == LINUX_O_CREAT) { + putchar(','); + decode_filemode(ip[1]); + } + ip += 2; + narg -= 2; + break; case LINUX32_SYS_linux_signal: case LINUX32_SYS_linux_sigaction: case LINUX32_SYS_linux_rt_sigaction: putchar('('); print_linux_signal(*ip); ip++; narg--; c = ','; break; case LINUX32_SYS_linux_ftruncate: case LINUX32_SYS_linux_truncate: print_number(ip, narg, c); print_number64(first, ip, narg, c); break; case LINUX32_SYS_linux_getitimer: case LINUX32_SYS_linux_setitimer: putchar('('); print_integer_arg(sysdecode_itimer, *ip); ip++; narg--; c = ','; break; case LINUX32_SYS_linux_rt_sigprocmask: case LINUX32_SYS_linux_sigprocmask: putchar('('); print_integer_arg(sysdecode_linux_sigprocmask_how, *ip); ip++; narg--; c = ','; break; } + switch (ktr->ktr_code) { + case LINUX32_SYS_linux_fchownat: + case LINUX32_SYS_linux_faccessat: + case LINUX32_SYS_linux_fchmodat: + case LINUX32_SYS_linux_fstatat64: + case LINUX32_SYS_linux_linkat: + case LINUX32_SYS_linux_unlinkat: + case LINUX32_SYS_linux_utimensat: + putchar(','); + print_mask_arg0(sysdecode_linux_atflags, *ip); + ip++; + narg--; + break; + } *resc = c; *resip = ip; *resnarg = narg; } #endif /* __amd64__ */ static void ktrsigset(const char *name, const l_sigset_t *mask, size_t sz) { unsigned long i, c; printf("%s [ ", name); c = 0; for (i = 1; i <= sz * CHAR_BIT; i++) { if (!LINUX_SIGISMEMBER(*mask, i)) continue; if (c != 0) printf(", "); printf("%s", sysdecode_linux_signal(i)); c++; } if (c == 0) printf("empty ]\n"); else printf(" ]\n"); } bool ktrstruct_linux(const char *name, const char *data, size_t datalen) { l_sigset_t mask; if (strcmp(name, "l_sigset_t") == 0) { /* Old Linux sigset_t is one word size. */ if (datalen < sizeof(int) || datalen > sizeof(l_sigset_t)) return (false); memcpy(&mask, data, datalen); ktrsigset(name, &mask, datalen); } else return (false); return (true); }