Implement a GDB server in Valgrind. See #214909.
(Philippe Waroquiers, philippe.waroquiers@skynet.be)
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11727 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/m_gdbserver/valgrind_low.h b/coregrind/m_gdbserver/valgrind_low.h
new file mode 100644
index 0000000..6817110
--- /dev/null
+++ b/coregrind/m_gdbserver/valgrind_low.h
@@ -0,0 +1,91 @@
+/* Definitions of interface to the "low" (arch specific) functions
+ needed for interfacing the Valgrind gdbserver with the Valgrind
+ guest.
+
+ Copyright (C) 2011
+ Free Software Foundation, Inc.
+
+ This file has been inspired from a file that is part of GDB.
+ It has been modified to integrate it in valgrind
+
+ 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
+ (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, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
+
+#ifndef VALGRIND_LOW_H
+#define VALGRIND_LOW_H
+
+/* defines the characteristics of the "low" valgrind target architecture.
+ In other words, struct valgrind_target_ops defines the functions and
+ data which are specific to the architecture (x86 or amd64 or
+ ppc32 or ...). */
+struct valgrind_target_ops
+{
+ int num_regs;
+ struct reg *reg_defs;
+
+ int stack_pointer_regno;
+ /* register number of the stack pointer register */
+
+ /* transfer the register regno from/to valgrind (guest state)
+ to/from buf
+ according to transfer_direction.
+ *mod set to True if destination content is modified by the transfer
+ otherwise it is set to False. */
+ void (*transfer_register) (ThreadId tid, int regno, void * buf,
+ transfer_direction dir, int size, Bool *mod);
+
+
+ CORE_ADDR (*get_pc) (void);
+ void (*set_pc) (CORE_ADDR newpc);
+
+ /* What string to report to GDB when it asks for the architecture,
+ or NULL not to answer. */
+ const char *arch_string;
+
+ /* Description of the set of registers.
+ For some architectures (e.g. arm), it is mandatory
+ to give a description of the registers, otherwise
+ gdb does not understand the reply to the 'g' packet
+ (which is used to get the registers). */
+ const char *target_xml;
+
+ /* Same as target_xml, but describes also the two shadow
+ registers set.
+ This is mandatory to use the option --vgdb-shadow-registers=yes. */
+ const char *shadow_target_xml;
+};
+
+
+/* convert from CORE_ADDR to void* */
+extern void* C2v(CORE_ADDR addr);
+
+/* builds an image of bin according to byte order of the architecture
+ Useful for register and int image */
+extern char* heximage (char *buf, char *bin, int count);
+
+/* returns a pointer to the architecture state corresponding to
+ the provided register set: 0 => normal guest registers,
+ 1 => shadow1
+ 2 => shadow2 */
+VexGuestArchState* get_arch (int set, ThreadState* tst);
+
+extern void x86_init_architecture (struct valgrind_target_ops *target);
+extern void amd64_init_architecture (struct valgrind_target_ops *target);
+extern void arm_init_architecture (struct valgrind_target_ops *target);
+extern void ppc32_init_architecture (struct valgrind_target_ops *target);
+extern void ppc64_init_architecture (struct valgrind_target_ops *target);
+extern void s390x_init_architecture (struct valgrind_target_ops *target);
+
+#endif