ld.elf_so: Move exec_elf.h and dlfcn.h from libphoenix

ld.elf_so/dlfcn.h

@@ -0,0 +1,128 @@
+/* $NetBSD: dlfcn.h,v 1.25 2017/07/11 15:21:35 joerg Exp $ */
+
+/*-
+ * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Paul Kranenburg.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* FIXME: Reimplement in libphoenix once plugin functionality is needed. */
+
+#ifndef _DLFCN_H_
+#define _DLFCN_H_
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+/* Temporary workaround. */
+#define _NETBSD_SOURCE
+
+#ifdef _BSD_SSIZE_T_
+typedef _BSD_SSIZE_T_ ssize_t;
+#undef _BSD_SSIZE_T_
+#endif
+
+#if defined(_NETBSD_SOURCE)
+typedef struct _dl_info {
+ const char *dli_fname; /* File defining the symbol */
+ void *dli_fbase; /* Base address */
+ const char *dli_sname; /* Symbol name */
+ const void *dli_saddr; /* Symbol address */
+} Dl_info;
+#endif /* defined(_NETBSD_SOURCE) */
+
+/*
+ * User interface to the run-time linker.
+ */
+__BEGIN_DECLS
+void *_dlauxinfo(void) __attribute__((pure));
+
+void *dlopen(const char *, int);
+int dlclose(void *);
+void *dlsym(void * __restrict, const char * __restrict);
+#if defined(_NETBSD_SOURCE)
+int dladdr(const void * __restrict, Dl_info * __restrict);
+int dlctl(void *, int, void *);
+int dlinfo(void *, int, void *);
+void *dlvsym(void * __restrict, const char * __restrict,
+ const char * __restrict);
+void __dl_cxa_refcount(void *, ssize_t);
+#endif
+char *dlerror(void);
+__END_DECLS
+
+/* Values for dlopen `mode'. */
+#define RTLD_LAZY 1
+#define RTLD_NOW 2
+#define RTLD_GLOBAL 0x100 /* Allow global searches in object */
+#define RTLD_LOCAL 0x200
+#define RTLD_NODELETE 0x01000 /* Do not remove members. */
+#define RTLD_NOLOAD 0x02000 /* Do not load if not already loaded. */
+#if defined(_NETBSD_SOURCE)
+#define DL_LAZY RTLD_LAZY /* Compat */
+#endif
+
+/*
+ * Special handle arguments for dlsym().
+ */
+#define RTLD_NEXT ((void *) -1) /* Search subsequent objects. */
+#define RTLD_DEFAULT ((void *) -2) /* Use default search algorithm. */
+#define RTLD_SELF ((void *) -3) /* Search the caller itself. */
+
+/*
+ * dlctl() commands
+ */
+#if defined(_NETBSD_SOURCE)
+#define DL_GETERRNO 1
+#define DL_GETSYMBOL 2
+#if 0
+#define DL_SETSRCHPATH x
+#define DL_GETLIST x
+#define DL_GETREFCNT x
+#define DL_GETLOADADDR x
+#endif /* 0 */
+#endif /* defined(_NETBSD_SOURCE) */
+
+/*
+ * dlinfo() commands
+ *
+ * From Solaris: http:https://docs.sun.com/app/docs/doc/816-5168/dlinfo-3c?a=view
+ */
+#if defined(_NETBSD_SOURCE)
+#define RTLD_DI_LINKMAP 3
+#if 0
+#define RTLD_DI_ARGSINFO 1
+#define RTLD_DI_CONFIGADDR 2
+#define RTLD_DI_LMID 4
+#define RTLD_DI_SERINFO 5
+#define RTLD_DI_SERINFOSIZE 6
+#define RTLD_DI_ORIGIN 7
+#define RTLD_DI_GETSIGNAL 8
+#define RTLD_DI_SETSIGNAL 9
+#endif
+#endif /* _NETBSD_SOURCE */
+
+#endif /* !defined(_DLFCN_H_) */