Add build system scaffolding and libc headers

1 files changed, 50 insertions, 0 deletions

diff --git a/include/arch/x86_64/linux/elf-fdpic.h b/include/arch/x86_64/linux/elf-fdpic.h
new file mode 100644
index 00000000..27c32a97
--- /dev/null
+++ b/include/arch/x86_64/linux/elf-fdpic.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/* elf-fdpic.h: FDPIC ELF load map
+ *
+ * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * 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.
+ */
+
+#ifndef _LINUX_ELF_FDPIC_H
+#define _LINUX_ELF_FDPIC_H
+
+#include <linux/elf.h>
+
+#define PT_GNU_STACK (PT_LOOS + 0x474e551)
+
+/* segment mappings for ELF FDPIC libraries/executables/interpreters */
+struct elf32_fdpic_loadseg {
+	Elf32_Addr addr;    /* core address to which mapped */
+	Elf32_Addr p_vaddr; /* VMA recorded in file */
+	Elf32_Word p_memsz; /* allocation size recorded in file */
+};
+
+struct elf32_fdpic_loadmap {
+	Elf32_Half version; /* version of these structures, just in case... */
+	Elf32_Half nsegs;   /* number of segments */
+	struct elf32_fdpic_loadseg segs[];
+};
+
+#define ELF32_FDPIC_LOADMAP_VERSION 0x0000
+
+/* segment mappings for ELF FDPIC libraries/executables/interpreters */
+struct elf64_fdpic_loadseg {
+	Elf64_Addr addr;    /* core address to which mapped */
+	Elf64_Addr p_vaddr; /* VMA recorded in file */
+	Elf64_Word p_memsz; /* allocation size recorded in file */
+};
+
+struct elf64_fdpic_loadmap {
+	Elf64_Half version; /* version of these structures, just in case... */
+	Elf64_Half nsegs;   /* number of segments */
+	struct elf64_fdpic_loadseg segs[];
+};
+
+#define ELF64_FDPIC_LOADMAP_VERSION 0x0000
+
+#endif /* _LINUX_ELF_FDPIC_H */