Fix PR threads/19422 - show which thread caused stop

[deliverable/binutils-gdb.git] / gdb / i386gnu-tdep.c

diff --git a/gdb/i386gnu-tdep.c b/gdb/i386gnu-tdep.c
index 143ddc0242002ee56fbeed410c47a01f26af944c..acf772fb85beabdf61ae4ee5a95ea8d0c62737e8 100644 (file)
--- a/gdb/i386gnu-tdep.c
+++ b/gdb/i386gnu-tdep.c
@@ -1,11 +1,11 @@
 /* Target-dependent code for the GNU Hurd.
-   Copyright 2002 Free Software Foundation, Inc.
+   Copyright (C) 2002-2016 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -14,14 +14,35 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "defs.h"
+#include "osabi.h"
+#include "solib-svr4.h"
 
 #include "i386-tdep.h"
 
+/* From <sys/ucontext.h>.  */
+static int i386gnu_gregset_reg_offset[] =
+{
+  11 * 4,              /* %eax */
+  10 * 4,              /* %ecx */
+  9 * 4,               /* %edx */
+  8 * 4,               /* %ebx */
+  17 * 4,              /* %uesp */
+  6 * 4,               /* %ebp */
+  5 * 4,               /* %esi */
+  4 * 4,               /* %edi */
+  14 * 4,              /* %eip */
+  16 * 4,              /* %efl */
+  15 * 4,              /* %cs */
+  18 * 4,              /* %ss */
+  3 * 4,               /* %ds */
+  2 * 4,               /* %es */
+  1 * 4,               /* %fs */
+  0 * 4,               /* %gs */
+};
+
 static void
 i386gnu_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
 {
@@ -30,6 +51,13 @@ i386gnu_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   /* GNU uses ELF.  */
   i386_elf_init_abi (info, gdbarch);
 
+  set_solib_svr4_fetch_link_map_offsets
+    (gdbarch, svr4_ilp32_fetch_link_map_offsets);
+
+  tdep->gregset_reg_offset = i386gnu_gregset_reg_offset;
+  tdep->gregset_num_regs = ARRAY_SIZE (i386gnu_gregset_reg_offset);
+  tdep->sizeof_gregset = 19 * 4;
+
   tdep->jb_pc_offset = 20;     /* From <bits/setjmp.h>.  */
 }