Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 80 insertions, 0 deletions

diff --git a/gdb/config/alpha/tm-alphalinux.h b/gdb/config/alpha/tm-alphalinux.h
new file mode 100644
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+++ b/gdb/config/alpha/tm-alphalinux.h
@@ -0,0 +1,80 @@
+/* Definitions to make GDB run on an Alpha box under Linux.  The
+   definitions here are used when the _target_ system is running Linux.
+   Copyright 1996 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
+(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 TM_LINUXALPHA_H
+#define TM_LINUXALPHA_H
+
+#include "alpha/tm-alpha.h"
+
+/* Are we currently handling a signal ?  */
+
+extern long alpha_linux_sigtramp_offset PARAMS ((CORE_ADDR));
+#undef IN_SIGTRAMP
+#define IN_SIGTRAMP(pc, name)	(alpha_linux_sigtramp_offset (pc) >= 0)
+
+/* Get start and end address of sigtramp handler.  */
+
+#define SIGTRAMP_START(pc)	(pc - alpha_linux_sigtramp_offset (pc))
+#define SIGTRAMP_END(pc)	(SIGTRAMP_START(pc) + 3*4)
+
+
+/* Number of traps that happen between exec'ing the shell to run an
+   inferior, and when we finally get to the inferior code.  This is 2
+   on Linux and most implementations.  */
+
+#undef START_INFERIOR_TRAPS_EXPECTED
+#define START_INFERIOR_TRAPS_EXPECTED 2
+
+/* Return TRUE if procedure descriptor PROC is a procedure descriptor
+   that refers to a dynamically generated sigtramp function.  */
+
+#undef PROC_DESC_IS_DYN_SIGTRAMP
+#define PROC_SIGTRAMP_MAGIC	0x0e0f0f0f
+#define PROC_DESC_IS_DYN_SIGTRAMP(proc) ((proc)->pdr.isym		\
+					 == PROC_SIGTRAMP_MAGIC)
+#undef SET_PROC_DESC_IS_DYN_SIGTRAMP
+#define SET_PROC_DESC_IS_DYN_SIGTRAMP(proc) ((proc)->pdr.isym		\
+					     = PROC_SIGTRAMP_MAGIC)
+
+/* If PC is inside a dynamically generated sigtramp function, return
+   how many bytes the program counter is beyond the start of that
+   function.  Otherwise, return a negative value.  */
+
+#undef DYNAMIC_SIGTRAMP_OFFSET
+#define DYNAMIC_SIGTRAMP_OFFSET(pc)	(alpha_linux_sigtramp_offset (pc))
+
+/* Translate a signal handler frame into the address of the sigcontext
+   structure.  */
+
+#undef SIGCONTEXT_ADDR
+#define SIGCONTEXT_ADDR(frame)			((frame)->frame - 0x298)
+
+/* If FRAME refers to a sigtramp frame, return the address of the next frame.
+
+   Under Linux, sigtramp handlers have dynamically generated procedure
+   descriptors that make this hack unnecessary.  */
+
+#undef FRAME_PAST_SIGTRAMP_FRAME
+#define FRAME_PAST_SIGTRAMP_FRAME(frame, pc)	(0)
+
+/* We need this for the SOLIB_TRAMPOLINE stuff.  */
+#include "tm-sysv4.h"
+
+#endif /* TM_LINUXALPHA_H */