dump: Dump cmdline and envirion parameters

It implies update to kernel side as well.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Acked-by: Pavel Emelyanov <xemul@parallels.com>

cr-dump.c

@@ -614,6 +614,11 @@ static int dump_task_core_seized(pid_t pid, int pid_dir, struct proc_pid_stat *s
 	core->tc.mm_start_stack = stat->start_stack;
 	core->tc.mm_start_brk = stat->start_brk;
 
+	core->tc.mm_arg_start = stat->arg_start;
+	core->tc.mm_arg_end = stat->arg_end;
+	core->tc.mm_env_start = stat->env_start;
+	core->tc.mm_env_end = stat->env_end;
+
 	ret = get_task_sigmask(pid, pid_dir, &core->tc.blk_sigset);
 	if (ret)
 		goto err_free;

include/image.h

@@ -237,6 +237,10 @@ struct task_core_entry {
 	u64				mm_start_stack;
 	u64				mm_start_brk;
 	u64				mm_brk;
+	u64				mm_arg_start;
+	u64				mm_arg_end;
+	u64				mm_env_start;
+	u64				mm_env_end;
 	u64				blk_sigset;
 };
 

include/proc_parse.h

@@ -52,6 +52,10 @@ struct proc_pid_stat {
 	unsigned long		start_data;
 	unsigned long		end_data;
 	unsigned long		start_brk;
+	unsigned long		arg_start;
+	unsigned long		arg_end;
+	unsigned long		env_start;
+	unsigned long		env_end;
 	int			exit_code;
 };
 

proc_parse.c

@@ -191,7 +191,7 @@ int parse_pid_stat(pid_t pid, int pid_dir, struct proc_pid_stat *s)
 	       "%d " PROC_TASK_COMM_LEN_FMT " %c %d %d %d %d %d %u %lu %lu %lu %lu "
 	       "%lu %lu %ld %ld %ld %ld %d %d %llu %lu %ld %lu %lu %lu %lu "
 	       "%lu %lu %lu %lu %lu %lu %lu %lu %lu %d %d %u %u %llu %lu %ld "
-	       "%lu %lu %lu %d",
+	       "%lu %lu %lu %lu %lu %lu %lu %d",
 		&s->pid,
 		s->comm,
 		&s->state,
@@ -239,9 +239,13 @@ int parse_pid_stat(pid_t pid, int pid_dir, struct proc_pid_stat *s)
 		&s->start_data,
 		&s->end_data,
 		&s->start_brk,
+		&s->arg_start,
+		&s->arg_end,
+		&s->env_start,
+		&s->env_end,
 		&s->exit_code);
 
-	if (n < 48) {
+	if (n < 52) {
 		pr_perror("Parsing %d's stat failed (#fields do not match)", pid);
 		return -1;
 	}