From: Hannes Domani <ssbssa@yahoo.de>
Date: Tue, 7 Apr 2020 18:57:07 +0000 (+0200)
Subject: Add _sigsys info to siginfo struct
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=24fe764c8a14bd519826e7e9af01edff59ab6be3;p=binutils-gdb.git

Add _sigsys info to siginfo struct

This patch adds information about _sigsys structure from newer
kernels, so that $_siginfo decoding can show information about
_sigsys, making it easier for developers to debug seccomp failures.
Requested in PR gdb/24283.

Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=24283
---

diff --git a/gdb/linux-tdep.c b/gdb/linux-tdep.c
index 45e7e1d0b54..b0056358cf9 100644
--- a/gdb/linux-tdep.c
+++ b/gdb/linux-tdep.c
@@ -380,6 +380,13 @@ linux_get_siginfo_type_with_fields (struct gdbarch *gdbarch,
   append_composite_type_field (type, "si_fd", int_type);
   append_composite_type_field (sifields_type, "_sigpoll", type);
 
+  /* _sigsys */
+  type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
+  append_composite_type_field (type, "_call_addr", void_ptr_type);
+  append_composite_type_field (type, "_syscall", int_type);
+  append_composite_type_field (type, "_arch", uint_type);
+  append_composite_type_field (sifields_type, "_sigsys", type);
+
   /* struct siginfo */
   siginfo_type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
   siginfo_type->set_name (xstrdup ("siginfo"));