diff options
Diffstat (limited to 'usr.bin/procstat/procstat_auxv.c')
| -rw-r--r-- | usr.bin/procstat/procstat_auxv.c | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/usr.bin/procstat/procstat_auxv.c b/usr.bin/procstat/procstat_auxv.c new file mode 100644 index 000000000000..b37e27c65161 --- /dev/null +++ b/usr.bin/procstat/procstat_auxv.c @@ -0,0 +1,269 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2011 Mikolaj Golub + * Copyright (c) 2015 Allan Jude <allanjude@freebsd.org> + * All rights reserved. + * + * 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 <sys/param.h> +#include <sys/elf.h> +#include <sys/sysctl.h> +#include <sys/user.h> + +#include <vm/vm.h> + +#include <err.h> +#include <errno.h> +#include <libprocstat.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "procstat.h" + +void +procstat_auxv(struct procstat *procstat, struct kinfo_proc *kipp) +{ + Elf_Auxinfo *auxv; + u_int count, i; + static char prefix[256]; + + if ((procstat_opts & PS_OPT_NOHEADER) == 0) + xo_emit("{T:/%5s %-19s %-16s %-16s}\n", "PID", "COMM", "AUXV", + "VALUE"); + + auxv = procstat_getauxv(procstat, kipp, &count); + if (auxv == NULL) + return; + snprintf(prefix, sizeof(prefix), "%5d %-19s", kipp->ki_pid, + kipp->ki_comm); + + xo_emit("{e:process_id/%5d/%d}{e:command/%-19s/%s}", kipp->ki_pid, + kipp->ki_comm); + + for (i = 0; i < count; i++) { + switch(auxv[i].a_type) { + case AT_NULL: + return; + case AT_IGNORE: + break; + case AT_EXECFD: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_EXECFD/%ld}\n", + prefix, "AT_EXECFD", (long)auxv[i].a_un.a_val); + break; + case AT_PHDR: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_PHDR/%p}\n", + prefix, "AT_PHDR", auxv[i].a_un.a_ptr); + break; + case AT_PHENT: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_PHENT/%ld}\n", + prefix, "AT_PHENT", (long)auxv[i].a_un.a_val); + break; + case AT_PHNUM: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_PHNUM/%ld}\n", + prefix, "AT_PHNUM", (long)auxv[i].a_un.a_val); + break; + case AT_PAGESZ: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_PAGESZ/%ld}\n", + prefix, "AT_PAGESZ", (long)auxv[i].a_un.a_val); + break; + case AT_BASE: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_BASE/%p}\n", + prefix, "AT_BASE", auxv[i].a_un.a_ptr); + break; + case AT_FLAGS: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_FLAGS/%#lx}\n", + prefix, "AT_FLAGS", (u_long)auxv[i].a_un.a_val); + break; + case AT_ENTRY: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_ENTRY/%p}\n", + prefix, "AT_ENTRY", auxv[i].a_un.a_ptr); + break; +#ifdef AT_NOTELF + case AT_NOTELF: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_NOTELF/%ld}\n", + prefix, "AT_NOTELF", (long)auxv[i].a_un.a_val); + break; +#endif +#ifdef AT_UID + case AT_UID: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_UID/%ld}\n", + prefix, "AT_UID", (long)auxv[i].a_un.a_val); + break; +#endif +#ifdef AT_EUID + case AT_EUID: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_EUID/%ld}\n", + prefix, "AT_EUID", (long)auxv[i].a_un.a_val); + break; +#endif +#ifdef AT_GID + case AT_GID: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_GID/%ld}\n", + prefix, "AT_GID", (long)auxv[i].a_un.a_val); + break; +#endif +#ifdef AT_EGID + case AT_EGID: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_EGID/%ld}\n", + prefix, "AT_EGID", (long)auxv[i].a_un.a_val); + break; +#endif + case AT_EXECPATH: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_EXECPATH/%p}\n", + prefix, "AT_EXECPATH", auxv[i].a_un.a_ptr); + break; + case AT_CANARY: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_CANARY/%p}\n", + prefix, "AT_CANARY", auxv[i].a_un.a_ptr); + break; + case AT_CANARYLEN: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_CANARYLEN/%ld}\n", + prefix, "AT_CANARYLEN", (long)auxv[i].a_un.a_val); + break; + case AT_OSRELDATE: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_OSRELDATE/%ld}\n", + prefix, "AT_OSRELDATE", (long)auxv[i].a_un.a_val); + break; + case AT_NCPUS: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_NCPUS/%ld}\n", + prefix, "AT_NCPUS", (long)auxv[i].a_un.a_val); + break; + case AT_PAGESIZES: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_PAGESIZES/%p}\n", + prefix, "AT_PAGESIZES", auxv[i].a_un.a_ptr); + break; + case AT_PAGESIZESLEN: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}" + "{:AT_PAGESIZESLEN/%ld}\n", prefix, + "AT_PAGESIZESLEN", (long)auxv[i].a_un.a_val); + break; + case AT_STACKPROT: + if ((auxv[i].a_un.a_val & VM_PROT_EXECUTE) != 0) + xo_emit("{dw:/%s}{Lw:/%-16s/%s}" + "{:AT_STACKPROT/%s}\n", prefix, + "AT_STACKPROT", "EXECUTABLE"); + else + xo_emit("{dw:/%s}{Lw:/%-16s/%s}" + "{:AT_STACKPROT/%s}\n", prefix, + "AT_STACKPROT", "NONEXECUTABLE"); + break; +#ifdef AT_TIMEKEEP + case AT_TIMEKEEP: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_TIMEKEEP/%p}\n", + prefix, "AT_TIMEKEEP", auxv[i].a_un.a_ptr); + break; +#endif +#ifdef AT_EHDRFLAGS + case AT_EHDRFLAGS: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_EHDRFLAGS/%#lx}\n", + prefix, "AT_EHDRFLAGS", (u_long)auxv[i].a_un.a_val); + break; +#endif +#ifdef AT_HWCAP + case AT_HWCAP: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_HWCAP/%#lx}\n", + prefix, "AT_HWCAP", (u_long)auxv[i].a_un.a_val); + break; +#endif +#ifdef AT_HWCAP2 + case AT_HWCAP2: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_HWCAP2/%#lx}\n", + prefix, "AT_HWCAP2", (u_long)auxv[i].a_un.a_val); + break; +#endif +#ifdef AT_BSDFLAGS + case AT_BSDFLAGS: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_BSDFLAGS/%#lx}\n", + prefix, "AT_BSDFLAGS", (u_long)auxv[i].a_un.a_val); + break; +#endif +#ifdef AT_ARGC + case AT_ARGC: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_ARGC/%ld}\n", + prefix, "AT_ARGC", (long)auxv[i].a_un.a_val); + break; +#endif +#ifdef AT_ARGV + case AT_ARGV: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_ARGV/%p}\n", + prefix, "AT_ARGV", auxv[i].a_un.a_ptr); + break; +#endif +#ifdef AT_ENVC + case AT_ENVC: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_ENVC/%ld}\n", + prefix, "AT_ENVC", (long)auxv[i].a_un.a_val); + break; +#endif +#ifdef AT_ENVV + case AT_ENVV: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_ENVV/%p}\n", + prefix, "AT_ENVV", auxv[i].a_un.a_ptr); + break; +#endif +#ifdef AT_PS_STRINGS + case AT_PS_STRINGS: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_PS_STRINGS/%p}\n", + prefix, "AT_PS_STRINGS", auxv[i].a_un.a_ptr); + break; +#endif +#ifdef AT_FXRNG + case AT_FXRNG: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_FXRNG/%p}\n", + prefix, "AT_FXRNG", auxv[i].a_un.a_ptr); + break; +#endif +#ifdef AT_KPRELOAD + case AT_KPRELOAD: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}{:AT_KPRELOAD/%p}\n", + prefix, "AT_KPRELOAD", auxv[i].a_un.a_ptr); + break; +#endif +#ifdef AT_USRSTACKBASE + case AT_USRSTACKBASE: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}" + "{:AT_USRSTACKBASE/%#lx}\n", + prefix, "AT_USRSTACKBASE", auxv[i].a_un.a_val); + break; +#endif +#ifdef AT_USRSTACKLIM + case AT_USRSTACKLIM: + xo_emit("{dw:/%s}{Lw:/%-16s/%s}" + "{:AT_USRSTACKLIM/%#lx}\n", + prefix, "AT_USRSTACKLIM", auxv[i].a_un.a_val); + break; +#endif + default: + xo_emit("{dw:/%s}{Lw:/%16ld/%ld}{:UNKNOWN/%#lx}\n", + prefix, auxv[i].a_type, auxv[i].a_un.a_val); + break; + } + } + xo_emit("\n"); + procstat_freeauxv(procstat, auxv); +} + |