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-rw-r--r--print.c55
1 files changed, 50 insertions, 5 deletions
diff --git a/print.c b/print.c
index 9ca5e8d..463e95b 100644
--- a/print.c
+++ b/print.c
@@ -5,6 +5,7 @@
#include <linux/mman.h>
#include <sys/sysmacros.h>
#include <sys/epoll.h>
+#include <sys/eventfd.h>
#include <sys/inotify.h>
#include <sys/mman.h>
#include <sys/mount.h>
@@ -14,12 +15,22 @@
#include <sys/xattr.h>
#include <fcntl.h>
#include <sched.h>
+#include <signal.h>
#include <time.h>
#if defined(__linux__)
# ifndef CLONE_NEWTIME
# define CLONE_NEWTIME 0x00000080
# endif
+# ifndef SS_ONSTACK
+# define SS_ONSTACK 1
+# endif
+# ifndef SS_DISABLE
+# define SS_DISABLE 2
+# endif
+# ifndef SS_AUTODISARM
+# define SS_AUTODISARM (1U << 31)
+# endif
#endif
@@ -37,6 +48,12 @@
char *p = buf;\
unsigned long long int flags = proc->args[arg_index]
+#define FLAGS_BEGIN_VALUE(VALUE)\
+ do {\
+ char buf[1024] = {0};\
+ char *p = buf;\
+ unsigned long long int flags = (VALUE)
+
#define FLAG(FLAG)\
do {\
_Static_assert((FLAG) != 0, #FLAG" is 0 and must not be included");\
@@ -515,6 +532,34 @@ print_pkey_access_rights(struct process *proc, size_t arg_index)
FLAGS_END;
}
+static void
+print_eventfd2_flags(struct process *proc, size_t arg_index)
+{
+ FLAGS_BEGIN;
+ FLAG(EFD_CLOEXEC);
+ FLAG(EFD_NONBLOCK);
+ FLAG(EFD_SEMAPHORE);
+ FLAGS_END;
+}
+
+static void
+print_stack(struct process *proc, size_t arg_index)
+{
+ stack_t stack;
+ const char *err;
+ if (get_struct(proc->pid, proc->args[arg_index], &stack, sizeof(stack), &err)) {
+ tprintf(proc, "%s", err);
+ return;
+ }
+ tprintf(proc, "{.ss_sp = %p, .ss_flags = ", stack.ss_sp);
+ FLAGS_BEGIN_VALUE(stack.ss_flags);
+ FLAG(SS_ONSTACK);
+ FLAG(SS_DISABLE);
+ FLAG(SS_AUTODISARM);
+ FLAGS_END;
+ tprintf(proc, ", .ss_size = %zu}", stack.ss_size);
+}
+
static void
printf_systemcall(struct process *proc, const char *scall, const char *fmt, ...)
@@ -745,7 +790,7 @@ print_systemcall(struct process *proc)
GENERIC_HANDLER(clone3);
SIMPLE(close, "i", Int);
GENERIC_HANDLER(connect);
- GENERIC_HANDLER(copy_file_range);
+ SIMPLE(copy_file_range, "i&llii&llilux", Long);
SIMPLE(creat, "so", Int);
SIMPLE(create_module, "slu", Ptr);
FORMATTERS(delete_module, "s1", Int, print_delete_module_flags);
@@ -759,8 +804,8 @@ print_systemcall(struct process *proc)
GENERIC_HANDLER(epoll_pwait);
GENERIC_HANDLER(epoll_wait);
GENERIC_HANDLER(epoll_wait_old);
- GENERIC_HANDLER(eventfd);
- GENERIC_HANDLER(eventfd2);
+ SIMPLE(eventfd, "i", Int);
+ FORMATTERS(eventfd2, "i1", Int, print_eventfd2_flags);
GENERIC_HANDLER(execve);
GENERIC_HANDLER(execveat);
SIMPLE(exit, "i", Int);
@@ -809,7 +854,7 @@ print_systemcall(struct process *proc)
GENERIC_HANDLER(getitimer);
GENERIC_HANDLER(getpeername);
SIMPLE(getpgid, "i", Int);
- GENERIC_HANDLER(getpgrp);
+ SIMPLE(getpgrp, "", Int);
SIMPLE(getpid, "", Int);
UNIMPLEMENTED(getpmsg);
SIMPLE(getppid, "", Int);
@@ -1010,7 +1055,7 @@ print_systemcall(struct process *proc)
GENERIC_HANDLER(shmdt);
GENERIC_HANDLER(shmget);
FORMATTERS(shutdown, "i1", Int, print_shutdown_flag);
- GENERIC_HANDLER(sigaltstack);
+ FORMATTERS(sigaltstack, "1>1", Int, print_stack);
GENERIC_HANDLER(signalfd);
GENERIC_HANDLER(signalfd4);
SIMPLE(socket, "iii", Int); /* TODO flags */