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authorEric Andersen <andersen@codepoet.org>2001-04-24 04:14:30 +0000
committerEric Andersen <andersen@codepoet.org>2001-04-24 04:14:30 +0000
commit5c86faa2e23a489b53088ee71f20e08f5fac561c (patch)
tree279d75dc9bea80d34dee86b18879edc264ab5564 /libc/sysdeps/linux/arm
parent54069d7c6d00a81a63eefde9e994ba284e67f175 (diff)
These are needed for arm ld.so support (not at all working yet...)
-Erik
Diffstat (limited to 'libc/sysdeps/linux/arm')
-rw-r--r--libc/sysdeps/linux/arm/bits/dlfcn.h59
-rw-r--r--libc/sysdeps/linux/arm/bits/elfclass.h14
2 files changed, 73 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/arm/bits/dlfcn.h b/libc/sysdeps/linux/arm/bits/dlfcn.h
new file mode 100644
index 000000000..0039eda14
--- /dev/null
+++ b/libc/sysdeps/linux/arm/bits/dlfcn.h
@@ -0,0 +1,59 @@
+/* System dependent definitions for run-time dynamic loading.
+ Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _DLFCN_H
+# error "Never use <bits/dlfcn.h> directly; include <dlfcn.h> instead."
+#endif
+
+/* The MODE argument to `dlopen' contains one of the following: */
+#define RTLD_LAZY 0x00001 /* Lazy function call binding. */
+#define RTLD_NOW 0x00002 /* Immediate function call binding. */
+#define RTLD_BINDING_MASK 0x3 /* Mask of binding time value. */
+#define RTLD_NOLOAD 0x00004 /* Do not load the object. */
+
+/* If the following bit is set in the MODE argument to `dlopen',
+ the symbols of the loaded object and its dependencies are made
+ visible as if the object were linked directly into the program. */
+#define RTLD_GLOBAL 0x00100
+
+/* Unix98 demands the following flag which is the inverse to RTLD_GLOBAL.
+ The implementation does this by default and so we can define the
+ value to zero. */
+#define RTLD_LOCAL 0
+
+/* Do not delete object when closed. */
+#define RTLD_NODELETE 0x01000
+
+#ifdef __USE_GNU
+/* To support profiling of shared objects it is a good idea to call
+ the function found using `dlsym' using the following macro since
+ these calls do not use the PLT. But this would mean the dynamic
+ loader has no chance to find out when the function is called. The
+ macro applies the necessary magic so that profiling is possible.
+ Rewrite
+ foo = (*fctp) (arg1, arg2);
+ into
+ foo = DL_CALL_FCT (fctp, (arg1, arg2));
+*/
+# define DL_CALL_FCT(fctp, args) \
+ (_dl_mcount_wrapper_check (fctp), (*(fctp)) args)
+
+/* This function calls the profiling functions. */
+extern void _dl_mcount_wrapper_check (void *__selfpc) __THROW;
+#endif
diff --git a/libc/sysdeps/linux/arm/bits/elfclass.h b/libc/sysdeps/linux/arm/bits/elfclass.h
new file mode 100644
index 000000000..180227d9e
--- /dev/null
+++ b/libc/sysdeps/linux/arm/bits/elfclass.h
@@ -0,0 +1,14 @@
+/* This file specifies the native word size of the machine, which indicates
+ the ELF file class used for executables and shared objects on this
+ machine. */
+
+#ifndef _LINK_H
+# error "Never use <bits/elfclass.h> directly; include <link.h> instead."
+#endif
+
+#include <bits/wordsize.h>
+
+#define __ELF_NATIVE_CLASS __WORDSIZE
+
+/* The entries in the .hash table always have a size of 32 bits. */
+typedef uint32_t Elf_Symndx;