diff options
| author | Benjamin Berg <benjamin.berg@intel.com> | 2025-09-24 16:20:58 +0200 |
|---|---|---|
| committer | Thomas Weißschuh <linux@weissschuh.net> | 2026-01-04 10:28:44 +0100 |
| commit | ec4bb8e8dfa060c699b548f62e4d56133aafbbec (patch) | |
| tree | ecfe6b0f86696972718ced89f65fdff5dea48c73 /tools/include/nolibc/sys | |
| parent | 8f0b4cce4481fb22653697cced8d0d04027cb1e8 (diff) | |
tools/nolibc: add ptrace support
Add ptrace support, as it will be useful in UML.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
[Thomas: drop va_args usage and linux/uio.h inclusion]
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Diffstat (limited to 'tools/include/nolibc/sys')
| -rw-r--r-- | tools/include/nolibc/sys/ptrace.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/tools/include/nolibc/sys/ptrace.h b/tools/include/nolibc/sys/ptrace.h new file mode 100644 index 000000000000..72ca28541633 --- /dev/null +++ b/tools/include/nolibc/sys/ptrace.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: LGPL-2.1 OR MIT */ +/* + * ptrace for NOLIBC + * Copyright (C) 2017-2021 Willy Tarreau <w@1wt.eu> + * Copyright (C) 2025 Intel Corporation + */ + +/* make sure to include all global symbols */ +#include "../nolibc.h" + +#ifndef _NOLIBC_SYS_PTRACE_H +#define _NOLIBC_SYS_PTRACE_H + +#include "../sys.h" + +#include <linux/ptrace.h> + +/* + * long ptrace(int op, pid_t pid, void *addr, void *data); + */ +static __attribute__((unused)) +long sys_ptrace(int op, pid_t pid, void *addr, void *data) +{ + return my_syscall4(__NR_ptrace, op, pid, addr, data); +} + +static __attribute__((unused)) +ssize_t ptrace(int op, pid_t pid, void *addr, void *data) +{ + return __sysret(sys_ptrace(op, pid, addr, data)); +} + +#endif /* _NOLIBC_SYS_PTRACE_H */ |