X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fi386-linux-tdep.h;h=eaeb63cefa2cd2bb0a2c445b4985bc69181efa85;hb=080017175b5248f1e5b0d48a55a06634244db459;hp=3c30130ede9e0720e51c1ae6a361ded66f1c7fa9;hpb=8201327c4086d86bf1c16db4fd34bc55c2da53ef;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/i386-linux-tdep.h b/gdb/i386-linux-tdep.h
index 3c30130ede..eaeb63cefa 100644
--- a/gdb/i386-linux-tdep.h
+++ b/gdb/i386-linux-tdep.h
@@ -1,12 +1,13 @@
-/* Target-dependent code for Linux/x86.
-   Copyright 2002
+/* Target-dependent code for GNU/Linux x86.
+
+   Copyright (C) 2002, 2003, 2007, 2008, 2009, 2010
    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,
@@ -15,9 +16,7 @@
    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/>.  */
 
 #ifndef I386_LINUX_TDEP_H
 #define I386_LINUX_TDEP_H
@@ -31,6 +30,38 @@
 /* Register number for the "orig_eax" pseudo-register.  If this
    pseudo-register contains a value >= 0 it is interpreted as the
    system call number that the kernel is supposed to restart.  */
-#define I386_LINUX_ORIG_EAX_REGNUM I386_SSE_NUM_REGS
+#define I386_LINUX_ORIG_EAX_REGNUM I386_AVX_NUM_REGS
+
+/* Total number of registers for GNU/Linux.  */
+#define I386_LINUX_NUM_REGS (I386_LINUX_ORIG_EAX_REGNUM + 1)
+
+/* Get XSAVE extended state xcr0 from core dump.  */
+extern uint64_t i386_linux_core_read_xcr0
+  (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd);
+
+/* Linux target description.  */
+extern struct target_desc *tdesc_i386_linux;
+extern struct target_desc *tdesc_i386_avx_linux;
+
+/* Format of XSAVE extended state is:
+ 	struct
+	{
+	  fxsave_bytes[0..463]
+	  sw_usable_bytes[464..511]
+	  xstate_hdr_bytes[512..575]
+	  avx_bytes[576..831]
+	  future_state etc
+	};
+
+  Same memory layout will be used for the coredump NT_X86_XSTATE
+  representing the XSAVE extended state registers.
+
+  The first 8 bytes of the sw_usable_bytes[464..467] is the OS enabled
+  extended state mask, which is the same as the extended control register
+  0 (the XFEATURE_ENABLED_MASK register), XCR0.  We can use this mask
+  together with the mask saved in the xstate_hdr_bytes to determine what
+  states the processor/OS supports and what state, used or initialized,
+  the process/thread is in.  */ 
+#define I386_LINUX_XSAVE_XCR0_OFFSET 464
 
 #endif /* i386-linux-tdep.h */