1 files changed, 112 insertions, 0 deletions
diff --git a/include/linux/elf.h b/include/linux/elf.h
new file mode 100644
index 000000000..c9a46c4e1
--- /dev/null
+++ b/include/linux/elf.h
@@ -0,0 +1,112 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_ELF_H
+#define _LINUX_ELF_H
+
+#include <linux/types.h>
+#include <asm/elf.h>
+#include <uapi/linux/elf.h>
+
+#ifndef elf_read_implies_exec
+  /* Executables for which elf_read_implies_exec() returns TRUE will
+     have the READ_IMPLIES_EXEC personality flag set automatically.
+     Override in asm/elf.h as needed.  */
+# define elf_read_implies_exec(ex, have_pt_gnu_stack)	0
+#endif
+#ifndef SET_PERSONALITY
+#define SET_PERSONALITY(ex) \
+	set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
+#endif
+
+#ifndef SET_PERSONALITY2
+#define SET_PERSONALITY2(ex, state) \
+	SET_PERSONALITY(ex)
+#endif
+
+#ifndef START_THREAD
+#define START_THREAD(elf_ex, regs, elf_entry, start_stack)	\
+	start_thread(regs, elf_entry, start_stack)
+#endif
+
+#if defined(ARCH_HAS_SETUP_ADDITIONAL_PAGES) && !defined(ARCH_SETUP_ADDITIONAL_PAGES)
+#define ARCH_SETUP_ADDITIONAL_PAGES(bprm, ex, interpreter) \
+	arch_setup_additional_pages(bprm, interpreter)
+#endif
+
+#define ELF32_GNU_PROPERTY_ALIGN	4
+#define ELF64_GNU_PROPERTY_ALIGN	8
+
+#if ELF_CLASS == ELFCLASS32
+
+extern Elf32_Dyn _DYNAMIC [];
+#define elfhdr		elf32_hdr
+#define elf_phdr	elf32_phdr
+#define elf_shdr	elf32_shdr
+#define elf_note	elf32_note
+#define elf_addr_t	Elf32_Off
+#define Elf_Half	Elf32_Half
+#define Elf_Word	Elf32_Word
+#define ELF_GNU_PROPERTY_ALIGN	ELF32_GNU_PROPERTY_ALIGN
+
+#else
+
+extern Elf64_Dyn _DYNAMIC [];
+#define elfhdr		elf64_hdr
+#define elf_phdr	elf64_phdr
+#define elf_shdr	elf64_shdr
+#define elf_note	elf64_note
+#define elf_addr_t	Elf64_Off
+#define Elf_Half	Elf64_Half
+#define Elf_Word	Elf64_Word
+#define ELF_GNU_PROPERTY_ALIGN	ELF64_GNU_PROPERTY_ALIGN
+
+#endif
+
+/* Optional callbacks to write extra ELF notes. */
+struct file;
+struct coredump_params;
+
+#ifndef ARCH_HAVE_EXTRA_ELF_NOTES
+static inline int elf_coredump_extra_notes_size(void) { return 0; }
+static inline int elf_coredump_extra_notes_write(struct coredump_params *cprm) { return 0; }
+#else
+extern int elf_coredump_extra_notes_size(void);
+extern int elf_coredump_extra_notes_write(struct coredump_params *cprm);
+#endif
+
+/*
+ * NT_GNU_PROPERTY_TYPE_0 header:
+ * Keep this internal until/unless there is an agreed UAPI definition.
+ * pr_type values (GNU_PROPERTY_*) are public and defined in the UAPI header.
+ */
+struct gnu_property {
+	u32 pr_type;
+	u32 pr_datasz;
+};
+
+struct arch_elf_state;
+
+#ifndef CONFIG_ARCH_USE_GNU_PROPERTY
+static inline int arch_parse_elf_property(u32 type, const void *data,
+					  size_t datasz, bool compat,
+					  struct arch_elf_state *arch)
+{
+	return 0;
+}
+#else
+extern int arch_parse_elf_property(u32 type, const void *data, size_t datasz,
+				   bool compat, struct arch_elf_state *arch);
+#endif
+
+#ifdef CONFIG_ARCH_HAVE_ELF_PROT
+int arch_elf_adjust_prot(int prot, const struct arch_elf_state *state,
+			 bool has_interp, bool is_interp);
+#else
+static inline int arch_elf_adjust_prot(int prot,
+				       const struct arch_elf_state *state,
+				       bool has_interp, bool is_interp)
+{
+	return prot;
+}
+#endif
+
+#endif /* _LINUX_ELF_H */