Remove __attribute__((packed)) of struct data_t

tools/exitsnoop.py

@@ -82,7 +82,6 @@ def _embedded_c(args):
  c = """
  EBPF_COMMENT
  #include <linux/sched.h>
- BPF_STATIC_ASSERT_DEF
 
  struct data_t {
  u64 start_time;
@@ -93,7 +92,7 @@ def _embedded_c(args):
  int exit_code;
  u32 sig_info;
  char task[TASK_COMM_LEN];
- } __attribute__((packed));
+ };
 
  BPF_PERF_OUTPUT(events);
 
@@ -102,28 +101,21 @@ def _embedded_c(args):
  struct task_struct *task = (typeof(task))bpf_get_current_task();
  if (FILTER_PID || FILTER_EXIT_CODE) { return 0; }
 
- struct data_t data = {
- .start_time = PROCESS_START_TIME_NS,
-  .exit_time = bpf_ktime_get_ns(),
-  .pid = task->tgid,
-  .tid = task->pid,
-  .ppid = task->parent->tgid,
-  .exit_code = task->exit_code >> 8,
-  .sig_info = task->exit_code & 0xFF,
- };
+ struct data_t data = {};
+
+ data.start_time = PROCESS_START_TIME_NS,
+ data.exit_time = bpf_ktime_get_ns(),
+ data.pid = task->tgid,
+ data.tid = task->pid,
+ data.ppid = task->parent->tgid,
+ data.exit_code = task->exit_code >> 8,
+ data.sig_info = task->exit_code & 0xFF,
  bpf_get_current_comm(&data.task, sizeof(data.task));
 
  events.perf_submit(args, &data, sizeof(data));
  return 0;
  }
  """
- # TODO: this macro belongs in bcc/src/cc/export/helpers.h
- bpf_static_assert_def = r"""
- #ifndef BPF_STATIC_ASSERT
- #define BPF_STATIC_ASSERT(condition) __attribute__((unused)) \
- extern int bpf_static_assert[(condition) ? 1 : -1]
- #endif
- """
 
  if Global.args.pid:
  if Global.args.per_thread:
@@ -135,7 +127,6 @@ def _embedded_c(args):
 
  code_substitutions = [
  ('EBPF_COMMENT', '' if not Global.args.ebpf else _ebpf_comment()),
- ("BPF_STATIC_ASSERT_DEF", bpf_static_assert_def),
  ('FILTER_PID', filter_pid),
  ('FILTER_EXIT_CODE', '0' if not Global.args.failed else 'task->exit_code == 0'),
  ('PROCESS_START_TIME_NS', 'task->start_time' if not Global.args.timespec else