/* Remote target callback routines.
- Copyright 1995-2015 Free Software Foundation, Inc.
+ Copyright 1995-2020 Free Software Foundation, Inc.
Contributed by Cygnus Solutions.
This file is part of GDB.
level. */
#ifdef HAVE_CONFIG_H
-#include "cconfig.h"
-#endif
#include "config.h"
+#endif
#include "ansidecl.h"
#include <stdarg.h>
#include <stdio.h>
return CB_RC_OK;
}
+/* General utility functions to search a map for a value. */
+
+static const CB_TARGET_DEFS_MAP *
+cb_target_map_entry (const CB_TARGET_DEFS_MAP map[], int target_val)
+{
+ const CB_TARGET_DEFS_MAP *m;
+
+ for (m = &map[0]; m->target_val != -1; ++m)
+ if (m->target_val == target_val)
+ return m;
+
+ return NULL;
+}
+
+static const CB_TARGET_DEFS_MAP *
+cb_host_map_entry (const CB_TARGET_DEFS_MAP map[], int host_val)
+{
+ const CB_TARGET_DEFS_MAP *m;
+
+ for (m = &map[0]; m->host_val != -1; ++m)
+ if (m->host_val == host_val)
+ return m;
+
+ return NULL;
+}
+
/* Translate the target's version of a syscall number to the host's.
This isn't actually the host's version, rather a canonical form.
??? Perhaps this should be renamed to ..._canon_syscall. */
int
cb_target_to_host_syscall (host_callback *cb, int target_val)
{
- CB_TARGET_DEFS_MAP *m;
-
- for (m = &cb->syscall_map[0]; m->target_val != -1; ++m)
- if (m->target_val == target_val)
- return m->host_val;
+ const CB_TARGET_DEFS_MAP *m =
+ cb_target_map_entry (cb->syscall_map, target_val);
- return -1;
+ return m ? m->host_val : -1;
}
/* FIXME: sort tables if large.
int
cb_host_to_target_errno (host_callback *cb, int host_val)
{
- CB_TARGET_DEFS_MAP *m;
-
- for (m = &cb->errno_map[0]; m->host_val; ++m)
- if (m->host_val == host_val)
- return m->target_val;
+ const CB_TARGET_DEFS_MAP *m = cb_host_map_entry (cb->errno_map, host_val);
/* ??? Which error to return in this case is up for grabs.
Note that some missing values may have standard alternatives.
For now return 0 and require caller to deal with it. */
- return 0;
+ return m ? m->target_val : 0;
}
/* Given a set of target bitmasks for the open system call,
{
return fdbad (cb, fd) ? 0 : fdmap (cb, fd) == 2;
}
+\f
+const char *
+cb_host_str_syscall (host_callback *cb, int host_val)
+{
+ const CB_TARGET_DEFS_MAP *m = cb_host_map_entry (cb->syscall_map, host_val);
+
+ return m ? m->name : NULL;
+}
+
+const char *
+cb_host_str_errno (host_callback *cb, int host_val)
+{
+ const CB_TARGET_DEFS_MAP *m = cb_host_map_entry (cb->errno_map, host_val);
+
+ return m ? m->name : NULL;
+}
+
+const char *
+cb_host_str_signal (host_callback *cb, int host_val)
+{
+ const CB_TARGET_DEFS_MAP *m = cb_host_map_entry (cb->signal_map, host_val);
+
+ return m ? m->name : NULL;
+}
+
+const char *
+cb_target_str_syscall (host_callback *cb, int target_val)
+{
+ const CB_TARGET_DEFS_MAP *m =
+ cb_target_map_entry (cb->syscall_map, target_val);
+
+ return m ? m->name : NULL;
+}
+
+const char *
+cb_target_str_errno (host_callback *cb, int target_val)
+{
+ const CB_TARGET_DEFS_MAP *m =
+ cb_target_map_entry (cb->errno_map, target_val);
+
+ return m ? m->name : NULL;
+}
+
+const char *
+cb_target_str_signal (host_callback *cb, int target_val)
+{
+ const CB_TARGET_DEFS_MAP *m =
+ cb_target_map_entry (cb->signal_map, target_val);
+
+ return m ? m->name : NULL;
+}