Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / include / ipxe / gdbstub.h

diff --git a/qemu/roms/ipxe/src/include/ipxe/gdbstub.h b/qemu/roms/ipxe/src/include/ipxe/gdbstub.h
new file mode 100644 (file)
index 0000000..3196067
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/gdbstub.h
@@ -0,0 +1,77 @@
+#ifndef _IPXE_GDBSTUB_H
+#define _IPXE_GDBSTUB_H
+
+/** @file
+ *
+ * GDB remote debugging
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <ipxe/tables.h>
+#include <gdbmach.h>
+
+/**
+ * A transport mechanism for the GDB protocol
+ *
+ */
+struct gdb_transport {
+       /** Transport name */
+       const char *name;
+       /**
+        * Set up the transport given a list of arguments
+        *
+        * @v argc Number of arguments
+        * @v argv Argument list
+        * @ret Return status code
+        *
+        * Note that arguments start at argv[0].
+        */
+       int ( * init ) ( int argc, char **argv );
+       /**
+        * Perform a blocking read
+        *
+        * @v buf Buffer
+        * @v len Size of buffer
+        * @ret Number of bytes read into buffer
+        */
+       size_t ( * recv ) ( char *buf, size_t len );
+       /**
+        * Write, may block
+        *
+        * @v buf Buffer
+        * @v len Size of buffer
+        */
+       void ( * send ) ( const char *buf, size_t len );
+};
+
+#define GDB_TRANSPORTS __table ( struct gdb_transport, "gdb_transports" )
+
+#define __gdb_transport __table_entry ( GDB_TRANSPORTS, 01 )
+
+/**
+ * Look up GDB transport by name
+ *
+ * @v name Name of transport
+ * @ret GDB transport or NULL
+ */
+extern struct gdb_transport *find_gdb_transport ( const char *name );
+
+/**
+ * Break into the debugger using the given transport
+ *
+ * @v trans GDB transport
+ */
+extern void gdbstub_start ( struct gdb_transport *trans );
+
+/**
+ * Interrupt handler
+ *
+ * @signo POSIX signal number
+ * @regs CPU register snapshot
+ **/
+extern void gdbstub_handler ( int signo, gdbreg_t *regs );
+
+#endif /* _IPXE_GDBSTUB_H */