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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-10-15 09:41:27 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-10-15 09:41:27 +0400
commitc362495586e8a3a6487a318fcd82eaf15ffe2142 (patch)
tree86f7b195d36ba198f24f86be327f21a8d24ec248 /include/uapi/linux/elf-fdpic.h
parentb70936d9ffbf0f45f4fa13a03122f015f13ecdb0 (diff)
parentddffeb8c4d0331609ef2581d84de4d763607bd37 (diff)
downloadlinux-c362495586e8a3a6487a318fcd82eaf15ffe2142.tar.xz
Merge 3.7-rc1 into tty-linus
This syncs up the tty-linus branch to the latest in Linus's tree to get all of the UAPI stuff needed for the next set of patches to merge. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/uapi/linux/elf-fdpic.h')
-rw-r--r--include/uapi/linux/elf-fdpic.h70
1 files changed, 70 insertions, 0 deletions
diff --git a/include/uapi/linux/elf-fdpic.h b/include/uapi/linux/elf-fdpic.h
new file mode 100644
index 000000000000..1065078938f9
--- /dev/null
+++ b/include/uapi/linux/elf-fdpic.h
@@ -0,0 +1,70 @@
+/* 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
+
+#ifndef __KERNEL__
+/*
+ * binfmt binary parameters structure
+ */
+struct elf_fdpic_params {
+ struct elfhdr hdr; /* ref copy of ELF header */
+ struct elf_phdr *phdrs; /* ref copy of PT_PHDR table */
+ struct elf32_fdpic_loadmap *loadmap; /* loadmap to be passed to userspace */
+ unsigned long elfhdr_addr; /* mapped ELF header user address */
+ unsigned long ph_addr; /* mapped PT_PHDR user address */
+ unsigned long map_addr; /* mapped loadmap user address */
+ unsigned long entry_addr; /* mapped entry user address */
+ unsigned long stack_size; /* stack size requested (PT_GNU_STACK) */
+ unsigned long dynamic_addr; /* mapped PT_DYNAMIC user address */
+ unsigned long load_addr; /* user address at which to map binary */
+ unsigned long flags;
+#define ELF_FDPIC_FLAG_ARRANGEMENT 0x0000000f /* PT_LOAD arrangement flags */
+#define ELF_FDPIC_FLAG_INDEPENDENT 0x00000000 /* PT_LOADs can be put anywhere */
+#define ELF_FDPIC_FLAG_HONOURVADDR 0x00000001 /* PT_LOAD.vaddr must be honoured */
+#define ELF_FDPIC_FLAG_CONSTDISP 0x00000002 /* PT_LOADs require constant
+ * displacement */
+#define ELF_FDPIC_FLAG_CONTIGUOUS 0x00000003 /* PT_LOADs should be contiguous */
+#define ELF_FDPIC_FLAG_EXEC_STACK 0x00000010 /* T if stack to be executable */
+#define ELF_FDPIC_FLAG_NOEXEC_STACK 0x00000020 /* T if stack not to be executable */
+#define ELF_FDPIC_FLAG_EXECUTABLE 0x00000040 /* T if this object is the executable */
+#define ELF_FDPIC_FLAG_PRESENT 0x80000000 /* T if this object is present */
+};
+
+#ifdef CONFIG_MMU
+extern void elf_fdpic_arch_lay_out_mm(struct elf_fdpic_params *exec_params,
+ struct elf_fdpic_params *interp_params,
+ unsigned long *start_stack,
+ unsigned long *start_brk);
+#endif
+#endif /* __KERNEL__ */
+
+#endif /* _LINUX_ELF_FDPIC_H */