From: Simon Marchi <simark@simark.ca>
To: Kamil Rytarowski <n54@gmx.com>, gdb-patches@sourceware.org
Cc: tom@tromey.com
Subject: Re: [PATCH v2 04/10] Add netbsd_nat::pid_to_exec_file
Date: Mon, 7 Sep 2020 14:47:13 -0400 [thread overview]
Message-ID: <a6d319a7-2103-0bf4-41ed-e8fc73d81a1f@simark.ca> (raw)
In-Reply-To: <20200904002905.13616-5-n54@gmx.com>
On 2020-09-03 8:28 p.m., Kamil Rytarowski wrote:
> gdb/ChangeLog:
>
> * netbsd-nat.h: Include <unistd.h>.
> * (netbsd_nat::pid_to_exec_file): Add.
> * netbsd-nat.c: Include <sys/types.h> and <sys/sysctl.h>.
> * (netbsd_nat::pid_to_exec_file) Add.
> ---
> gdb/ChangeLog | 7 +++++++
> gdb/nat/netbsd-nat.c | 18 ++++++++++++++++++
> gdb/nat/netbsd-nat.h | 5 +++++
> 3 files changed, 30 insertions(+)
>
> diff --git a/gdb/ChangeLog b/gdb/ChangeLog
> index 9e9d4e16e5d..335d6b7271f 100644
> --- a/gdb/ChangeLog
> +++ b/gdb/ChangeLog
> @@ -1,3 +1,10 @@
> +2020-09-04 Kamil Rytarowski <n54@gmx.com>
> +
> + * netbsd-nat.h: Include <unistd.h>.
> + * (netbsd_nat::pid_to_exec_file): Add.
> + * netbsd-nat.c: Include <sys/types.h> and <sys/sysctl.h>.
> + * (netbsd_nat::pid_to_exec_file) Add.
> +
> 2020-09-04 Kamil Rytarowski <n54@gmx.com>
>
> * configure.nat (NATDEPFILES): Add nat/netbsd-nat.o when needed.
> diff --git a/gdb/nat/netbsd-nat.c b/gdb/nat/netbsd-nat.c
> index 2b5a4183e30..297188bb8b4 100644
> --- a/gdb/nat/netbsd-nat.c
> +++ b/gdb/nat/netbsd-nat.c
> @@ -19,6 +19,24 @@
>
> #include "nat/netbsd-nat.h"
>
> +#include <sys/types.h>
> +#include <sys/sysctl.h>
> +
> namespace netbsd_nat
> {
> +
> +/* Return the executable file name of a process specified by PID. Returns the
> + string in a static buffer. */
> +
> +char *
Since there's no reason for the caller to modify this string, I'd suggest returning `const char *`.
> +pid_to_exec_file (pid_t pid)
> +{
> + static char buf[PATH_MAX];
> + int mib[4] = {CTL_KERN, KERN_PROC_ARGS, pid, KERN_PROC_PATHNAME};
> + size_t buflen = sizeof (buf);
> + if (::sysctl (mib, ARRAY_SIZE (mib), buf, &buflen, NULL, 0))
> + return NULL;
!= 0
Simon
next prev parent reply other threads:[~2020-09-07 18:47 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-04 0:28 [PATCH v2 00/10] Add minimal NetBSD/amd64 gdbserver support Kamil Rytarowski
2020-09-04 0:28 ` [PATCH v2 01/10] Add handle_eintr to wrap EINTR handling in syscalls Kamil Rytarowski
2020-09-07 14:06 ` Simon Marchi
2020-09-07 14:59 ` Kamil Rytarowski
2020-10-12 17:56 ` [PATCH] gdb::handle_eintr, remove need to specify return type (Re: [PATCH v2 01/10] Add handle_eintr to wrap EINTR handling in syscalls) Pedro Alves
2020-10-13 13:43 ` Kamil Rytarowski
2020-10-13 14:17 ` [PATCH v2] gdb::handle_eintr, remove need to specify return type Pedro Alves
2020-10-13 14:54 ` Kamil Rytarowski
2020-10-16 20:51 ` Tom Tromey
2020-10-26 14:00 ` Pedro Alves
2020-10-26 14:20 ` Tom Tromey
2020-10-26 18:59 ` Pedro Alves
2020-09-04 0:28 ` [PATCH v2 02/10] Register a placeholder for NetBSD shared functions in gdb/nat Kamil Rytarowski
2020-09-07 18:44 ` Simon Marchi
2020-09-07 19:49 ` Kamil Rytarowski
2020-09-04 0:28 ` [PATCH v2 03/10] Build nat/netbsd-nat.o for the NetBSD native target Kamil Rytarowski
2020-09-04 0:28 ` [PATCH v2 04/10] Add netbsd_nat::pid_to_exec_file Kamil Rytarowski
2020-09-07 7:57 ` Andrew Burgess
2020-09-07 13:36 ` Kamil Rytarowski
2020-09-07 18:48 ` Simon Marchi
2020-09-07 18:47 ` Simon Marchi [this message]
2020-09-07 19:51 ` Kamil Rytarowski
2020-09-04 0:29 ` [PATCH v2 05/10] Add gdb/nat common functions for listing threads Kamil Rytarowski
2020-09-07 18:59 ` Simon Marchi
2020-09-07 19:57 ` Kamil Rytarowski
2020-09-04 0:29 ` [PATCH v2 06/10] Add netbsd_nat::enable_proc_events in gdb/nat Kamil Rytarowski
2020-09-04 0:29 ` [PATCH v2 07/10] Add a common utility function to read and write siginfo_t in inferior Kamil Rytarowski
2020-09-04 0:29 ` [PATCH v2 08/10] Avoid double free in startup_inferior Kamil Rytarowski
2020-09-07 19:19 ` Simon Marchi
2020-09-08 0:54 ` Kamil Rytarowski
2020-09-08 2:21 ` Simon Marchi
2020-09-04 0:29 ` [PATCH v2 09/10] Switch local native code to gdb/nat shared functions Kamil Rytarowski
2020-09-07 19:24 ` Simon Marchi
2020-09-08 0:04 ` Kamil Rytarowski
2020-09-04 0:29 ` [PATCH v2 10/10] Add minimal and functional NetBSD/amd64 gdbserver Kamil Rytarowski
2020-09-07 19:58 ` Simon Marchi
2020-09-08 0:03 ` Kamil Rytarowski
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