1 files changed, 106 insertions, 0 deletions
diff --git a/gdb/gdbserver/linux-i386-ipa.c b/gdb/gdbserver/linux-i386-ipa.c
new file mode 100644
index 0000000..69f6749
--- /dev/null
+++ b/gdb/gdbserver/linux-i386-ipa.c
@@ -0,0 +1,106 @@
+/* GNU/Linux/x86 specific low level interface, for the in-process
+   agent library for GDB.
+
+   Copyright (C) 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 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   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, see <http://www.gnu.org/licenses/>.  */
+
+#include "server.h"
+
+/* GDB register numbers.  */
+
+enum i386_gdb_regnum
+{
+  I386_EAX_REGNUM,		/* %eax */
+  I386_ECX_REGNUM,		/* %ecx */
+  I386_EDX_REGNUM,		/* %edx */
+  I386_EBX_REGNUM,		/* %ebx */
+  I386_ESP_REGNUM,		/* %esp */
+  I386_EBP_REGNUM,		/* %ebp */
+  I386_ESI_REGNUM,		/* %esi */
+  I386_EDI_REGNUM,		/* %edi */
+  I386_EIP_REGNUM,		/* %eip */
+  I386_EFLAGS_REGNUM,		/* %eflags */
+  I386_CS_REGNUM,		/* %cs */
+  I386_SS_REGNUM,		/* %ss */
+  I386_DS_REGNUM,		/* %ds */
+  I386_ES_REGNUM,		/* %es */
+  I386_FS_REGNUM,		/* %fs */
+  I386_GS_REGNUM,		/* %gs */
+  I386_ST0_REGNUM		/* %st(0) */
+};
+
+#define i386_num_regs 16
+
+/* Defined in auto-generated file i386-linux.c.  */
+void init_registers_i386_linux (void);
+
+#define FT_CR_EAX 15
+#define FT_CR_ECX 14
+#define FT_CR_EDX 13
+#define FT_CR_EBX 12
+#define FT_CR_UESP 11
+#define FT_CR_EBP 10
+#define FT_CR_ESI 9
+#define FT_CR_EDI 8
+#define FT_CR_EIP 7
+#define FT_CR_EFL 6
+#define FT_CR_DS 5
+#define FT_CR_ES 4
+#define FT_CR_FS 3
+#define FT_CR_GS 2
+#define FT_CR_SS 1
+#define FT_CR_CS 0
+
+/* Mapping between the general-purpose registers in jump tracepoint
+   format and GDB's register array layout.  */
+
+static const int i386_ft_collect_regmap[] =
+{
+  FT_CR_EAX * 4, FT_CR_ECX * 4, FT_CR_EDX * 4, FT_CR_EBX * 4,
+  FT_CR_UESP * 4, FT_CR_EBP * 4, FT_CR_ESI * 4, FT_CR_EDI * 4,
+  FT_CR_EIP * 4, FT_CR_EFL * 4, FT_CR_CS * 4, FT_CR_SS * 4,
+  FT_CR_DS * 4, FT_CR_ES * 4, FT_CR_FS * 4, FT_CR_GS * 4
+};
+
+void
+supply_fast_tracepoint_registers (struct regcache *regcache,
+				  const unsigned char *buf)
+{
+  int i;
+
+  for (i = 0; i < i386_num_regs; i++)
+    {
+      int regval;
+
+      if (i >= I386_CS_REGNUM && i <= I386_GS_REGNUM)
+	regval = *(short *) (((char *) buf) + i386_ft_collect_regmap[i]);
+      else
+	regval = *(int *) (((char *) buf) + i386_ft_collect_regmap[i]);
+
+      supply_register (regcache, i, &regval);
+    }
+}
+
+/* This is only needed because reg-i386-linux-lib.o references it.  We
+   may use it proper at some point.  */
+const char *gdbserver_xmltarget;
+
+void
+initialize_low_tracepoint (void)
+{
+  init_registers_i386_linux ();
+}