Rename cdb to gdbstub and split it into arch dependent/neutral part.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>

1 files changed, 96 insertions, 0 deletions

diff --git a/xen/include/xen/gdbstub.h b/xen/include/xen/gdbstub.h
new file mode 100644
index 0000000000..9d2e323aed
--- /dev/null
+++ b/xen/include/xen/gdbstub.h
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2005 Hollis Blanchard <hollisb@us.ibm.com>, IBM Corporation
+ * Copyright (C) 2006 Isaku Yamahata <yamahata at valinux co jp>
+ *                    VA Linux Systems Japan. K.K.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#ifndef __XEN_GDBSTUB_H__
+#define __XEN_GDBSTUB_H__
+
+/* value <-> char (de)serialzers for arch specific gdb backends */
+char hex2char(unsigned long x); 
+int char2hex(unsigned char c); 
+char str2hex(const char *str); 
+unsigned long str2ulong(const char *str, unsigned long bytes); 
+
+struct gdb_context {
+    int                 serhnd;
+    int                 currently_attached:1;
+    atomic_t            running;
+    unsigned long       connected;
+    u8                  signum;
+
+    char                in_buf[PAGE_SIZE];
+    unsigned long       in_bytes;
+
+    char                out_buf[PAGE_SIZE];
+    unsigned long       out_offset;
+    u8                  out_csum;
+};
+
+/* interface to arch specific routines */
+void gdb_write_to_packet(
+    const char *buf, int count, struct gdb_context *ctx);
+void gdb_write_to_packet_hex(
+    unsigned long x, int int_size, struct gdb_context *ctx);
+void gdb_send_packet(struct gdb_context *ctx); 
+void gdb_send_reply(const char *buf, struct gdb_context *ctx);
+
+/* gdb stub trap handler: entry point */
+int __trap_to_gdb(struct cpu_user_regs *regs, unsigned long cookie);
+
+/* arch specific routines */
+u16 gdb_arch_signal_num(
+    struct cpu_user_regs *regs, unsigned long cookie);
+void gdb_arch_read_reg_array(
+    struct cpu_user_regs *regs, struct gdb_context *ctx);
+void gdb_arch_write_reg_array(
+    struct cpu_user_regs *regs, const char* buf, struct gdb_context *ctx);
+void gdb_arch_read_reg(
+    unsigned long regnum, struct cpu_user_regs *regs, struct gdb_context *ctx);
+unsigned int gdb_arch_copy_from_user(
+    void *dest, const void *src, unsigned len);
+unsigned int gdb_arch_copy_to_user(
+    void *dest, const void *src, unsigned len);
+void gdb_arch_resume(
+    struct cpu_user_regs *regs, unsigned long addr,
+    unsigned long type, struct gdb_context *ctx);
+void gdb_arch_print_state(struct cpu_user_regs *regs);
+void gdb_arch_enter(struct cpu_user_regs *regs);
+void gdb_arch_exit(struct cpu_user_regs *regs);
+
+#define GDB_CONTINUE     0
+#define GDB_STEP         1
+
+#define SIGILL           4
+#define SIGTRAP          5
+#define SIGBUS           7
+#define SIGFPE           8
+#define SIGSEGV         11
+#define SIGALRM         14
+#define SIGTERM         15
+
+#endif /* __XEN_GDBSTUB_H__ */
+
+/*
+ * Local variables:
+ * mode: C
+ * c-set-style: "BSD"
+ * c-basic-offset: 4
+ * tab-width: 4
+ * End:
+ */