* dwarf2read.c (dw2_find_symbol_file): Don't crash if there are no files.

[deliverable/binutils-gdb.git] / gdb / gdb_ptrace.h

diff --git a/gdb/gdb_ptrace.h b/gdb/gdb_ptrace.h
index 5c27bdbbaf1575a6e215b11c5efb6aa8188624fd..5b46a818bd2d1f71cc39729c023b3f56e3882468 100644 (file)
--- a/gdb/gdb_ptrace.h
+++ b/gdb/gdb_ptrace.h
@@ -1,6 +1,6 @@
 /* Portable <sys/ptrace.h>
 
-   Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2004-2005, 2007-2012 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -106,6 +106,21 @@
 # endif
 #endif
 
+/* For systems such as HP/UX that do not provide PT_SYSCALL, define it
+   here as an alias for PT_CONTINUE.  This is what the PT_SYSCALL
+   request is expected to do, in addition to stopping when entering/
+   exiting a system call.  Chances are, if the system supports system
+   call tracing, enabling this feature is probably done separately;
+   and there is probably no special request that we would be required
+   to use when resuming the execution of our program.  */
+#ifndef PT_SYSCALL
+# ifdef PTRACE_SYSCALL
+#  define PT_SYSCALL PTRACE_SYSCALL
+#else
+#  define PT_SYSCALL PT_CONTINUE
+# endif
+#endif
+
 /* Some systems, in particular DEC OSF/1, Digital Unix, Compaq Tru64
    or whatever it's called these days, don't provide a prototype for
    ptrace.  Provide one to silence compiler warnings.  */