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* [binutils-gdb] Implement IP_STAT+IP_STATUS (aliases of the same format) on NetBSD
@ 2020-04-14 15:38 Kamil Rytarowski
0 siblings, 0 replies; only message in thread
From: Kamil Rytarowski @ 2020-04-14 15:38 UTC (permalink / raw)
To: gdb-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=06ca5dd49ac45e814ca167f441ac0b191b50bb37
commit 06ca5dd49ac45e814ca167f441ac0b191b50bb37
Author: Kamil Rytarowski <n54@gmx.com>
Date: Mon Apr 13 13:05:59 2020 +0200
Implement IP_STAT+IP_STATUS (aliases of the same format) on NetBSD
Output based on FreeBSD with the following changes:
- "utime+stime, children" merged from "utime, children" and
"stime, children".
- "Minor faults, children", "Major faults, children",
"Virtual memory size" removed as not available in a direct
equivalent.
No new values missing or skipped in FreeBSD are printed, although
there is a long list of potential candiates.
gdb/ChangeLog:
* nbsd-nat.c (nbsd_pid_to_kinfo_proc2): New.
(nbsd_nat_target::info_proc): Add do_status.
Diff:
---
gdb/ChangeLog | 5 +++
gdb/nbsd-nat.c | 103 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 108 insertions(+)
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index b0543725c2f..8998636a1d7 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2020-04-14 Kamil Rytarowski <n54@gmx.com>
+
+ * nbsd-nat.c (nbsd_pid_to_kinfo_proc2): New.
+ (nbsd_nat_target::info_proc): Add do_status.
+
2020-04-14 Simon Marchi <simon.marchi@polymtl.ca>
Tom de Vries <tdevries@suse.de>
diff --git a/gdb/nbsd-nat.c b/gdb/nbsd-nat.c
index 5eaf9dec8af..d41cfc815d3 100644
--- a/gdb/nbsd-nat.c
+++ b/gdb/nbsd-nat.c
@@ -58,6 +58,19 @@ nbsd_pid_to_cwd (int pid)
return buf;
}
+/* Return the kinfo_proc2 structure for the process identified by PID. */
+
+static bool
+nbsd_pid_to_kinfo_proc2 (pid_t pid, struct kinfo_proc2 *kp)
+{
+ gdb_assert (kp != nullptr);
+
+ size_t size = sizeof (*kp);
+ int mib[6] = {CTL_KERN, KERN_PROC2, KERN_PROC_PID, pid,
+ static_cast<int> (size), 1};
+ return !sysctl (mib, ARRAY_SIZE (mib), kp, &size, NULL, 0);
+}
+
/* Return the command line for the process identified by PID. */
static gdb::unique_xmalloc_ptr<char[]>
@@ -344,6 +357,7 @@ nbsd_nat_target::info_proc (const char *args, enum info_proc_what what)
bool do_cwd = false;
bool do_exe = false;
bool do_mappings = false;
+ bool do_status = false;
switch (what)
{
@@ -352,6 +366,10 @@ nbsd_nat_target::info_proc (const char *args, enum info_proc_what what)
do_cwd = true;
do_exe = true;
break;
+ case IP_STAT:
+ case IP_STATUS:
+ do_status = true;
+ break;
case IP_MAPPINGS:
do_mappings = true;
break;
@@ -369,6 +387,7 @@ nbsd_nat_target::info_proc (const char *args, enum info_proc_what what)
do_cwd = true;
do_exe = true;
do_mappings = true;
+ do_status = true;
break;
default:
error (_("Not supported on this target."));
@@ -433,6 +452,90 @@ nbsd_nat_target::info_proc (const char *args, enum info_proc_what what)
else
warning (_("unable to fetch virtual memory map"));
}
+ if (do_status)
+ {
+ struct kinfo_proc2 kp;
+ if (!nbsd_pid_to_kinfo_proc2 (pid, &kp))
+ warning (_("Failed to fetch process information"));
+ else
+ {
+ auto process_status
+ = [] (int8_t stat)
+ {
+ switch (stat)
+ {
+ case SIDL:
+ return "IDL";
+ case SACTIVE:
+ return "ACTIVE";
+ case SDYING:
+ return "DYING";
+ case SSTOP:
+ return "STOP";
+ case SZOMB:
+ return "ZOMB";
+ case SDEAD:
+ return "DEAD";
+ default:
+ return "? (unknown)";
+ }
+ };
+
+ printf_filtered ("Name: %s\n", kp.p_comm);
+ printf_filtered ("State: %s\n", process_status(kp.p_realstat));
+ printf_filtered ("Parent process: %" PRId32 "\n", kp.p_ppid);
+ printf_filtered ("Process group: %" PRId32 "\n", kp.p__pgid);
+ printf_filtered ("Session id: %" PRId32 "\n", kp.p_sid);
+ printf_filtered ("TTY: %" PRId32 "\n", kp.p_tdev);
+ printf_filtered ("TTY owner process group: %" PRId32 "\n", kp.p_tpgid);
+ printf_filtered ("User IDs (real, effective, saved): "
+ "%" PRIu32 " %" PRIu32 " %" PRIu32 "\n",
+ kp.p_ruid, kp.p_uid, kp.p_svuid);
+ printf_filtered ("Group IDs (real, effective, saved): "
+ "%" PRIu32 " %" PRIu32 " %" PRIu32 "\n",
+ kp.p_rgid, kp.p_gid, kp.p_svgid);
+
+ printf_filtered ("Groups:");
+ for (int i = 0; i < kp.p_ngroups; i++)
+ printf_filtered (" %" PRIu32, kp.p_groups[i]);
+ printf_filtered ("\n");
+ printf_filtered ("Minor faults (no memory page): %" PRIu64 "\n",
+ kp.p_uru_minflt);
+ printf_filtered ("Major faults (memory page faults): %" PRIu64 "\n",
+ kp.p_uru_majflt);
+ printf_filtered ("utime: %" PRIu32 ".%06" PRIu32 "\n",
+ kp.p_uutime_sec, kp.p_uutime_usec);
+ printf_filtered ("stime: %" PRIu32 ".%06" PRIu32 "\n",
+ kp.p_ustime_sec, kp.p_ustime_usec);
+ printf_filtered ("utime+stime, children: %" PRIu32 ".%06" PRIu32 "\n",
+ kp.p_uctime_sec, kp.p_uctime_usec);
+ printf_filtered ("'nice' value: %" PRIu8 "\n", kp.p_nice);
+ printf_filtered ("Start time: %" PRIu32 ".%06" PRIu32 "\n",
+ kp.p_ustart_sec, kp.p_ustart_usec);
+ int pgtok = getpagesize () / 1024;
+ printf_filtered ("Data size: %" PRIuMAX " kB\n",
+ (uintmax_t) kp.p_vm_dsize * pgtok);
+ printf_filtered ("Stack size: %" PRIuMAX " kB\n",
+ (uintmax_t) kp.p_vm_ssize * pgtok);
+ printf_filtered ("Text size: %" PRIuMAX " kB\n",
+ (uintmax_t) kp.p_vm_tsize * pgtok);
+ printf_filtered ("Resident set size: %" PRIuMAX " kB\n",
+ (uintmax_t) kp.p_vm_rssize * pgtok);
+ printf_filtered ("Maximum RSS: %" PRIu64 " kB\n", kp.p_uru_maxrss);
+ printf_filtered ("Pending Signals:");
+ for (size_t i = 0; i < ARRAY_SIZE (kp.p_siglist.__bits); i++)
+ printf_filtered (" %08" PRIx32, kp.p_siglist.__bits[i]);
+ printf_filtered ("\n");
+ printf_filtered ("Ignored Signals:");
+ for (size_t i = 0; i < ARRAY_SIZE (kp.p_sigignore.__bits); i++)
+ printf_filtered (" %08" PRIx32, kp.p_sigignore.__bits[i]);
+ printf_filtered ("\n");
+ printf_filtered ("Caught Signals:");
+ for (size_t i = 0; i < ARRAY_SIZE (kp.p_sigcatch.__bits); i++)
+ printf_filtered (" %08" PRIx32, kp.p_sigcatch.__bits[i]);
+ printf_filtered ("\n");
+ }
+ }
return true;
}
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2020-04-14 15:38 [binutils-gdb] Implement IP_STAT+IP_STATUS (aliases of the same format) on NetBSD Kamil Rytarowski
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