From 95608261dae863bc43292e6fbd946a3abd3aa49f Mon Sep 17 00:00:00 2001
From: "viro@ZenIV.linux.org.uk" <viro@ZenIV.linux.org.uk>
Date: Tue, 6 Sep 2005 22:33:51 +0100
Subject: [PATCH] [PATCH] bogus symbol used in arch/um/os-Linux/elf_aux.c

elf_aux is userland code; it uses symbol (ELF_CLASS) that doesn't exist in
userland headers; pulled into kernel-offsets.h, switched elf_aux to using it.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 arch/um/include/common-offsets.h    | 1 +
 arch/um/os-Linux/Makefile           | 3 +++
 arch/um/os-Linux/elf_aux.c          | 3 ++-
 arch/um/sys-i386/kernel-offsets.c   | 1 +
 arch/um/sys-x86_64/kernel-offsets.c | 1 +
 5 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/arch/um/include/common-offsets.h b/arch/um/include/common-offsets.h
index d705daa2d854..0aa620970adb 100644
--- a/arch/um/include/common-offsets.h
+++ b/arch/um/include/common-offsets.h
@@ -12,3 +12,4 @@ DEFINE_STR(UM_KERN_WARNING, KERN_WARNING);
 DEFINE_STR(UM_KERN_NOTICE, KERN_NOTICE);
 DEFINE_STR(UM_KERN_INFO, KERN_INFO);
 DEFINE_STR(UM_KERN_DEBUG, KERN_DEBUG);
+DEFINE(HOST_ELF_CLASS, ELF_CLASS);
diff --git a/arch/um/os-Linux/Makefile b/arch/um/os-Linux/Makefile
index d3c1560e3ed8..7a1662419c0c 100644
--- a/arch/um/os-Linux/Makefile
+++ b/arch/um/os-Linux/Makefile
@@ -9,6 +9,9 @@ obj-y = aio.o elf_aux.o file.o process.o signal.o start_up.o time.o tt.o \
 USER_OBJS := aio.o elf_aux.o file.o process.o signal.o start_up.o time.o tt.o \
 	tty.o
 
+elf_aux.o: $(ARCH_DIR)/kernel-offsets.h
+CFLAGS_elf_aux.o += -I$(objtree)/arch/um
+
 CFLAGS_user_syms.o += -DSUBARCH_$(SUBARCH)
 
 HAVE_AIO_ABI := $(shell [ -r /usr/include/linux/aio_abi.h ] && \
diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c
index 4cca3e9c23fe..1399520a8588 100644
--- a/arch/um/os-Linux/elf_aux.c
+++ b/arch/um/os-Linux/elf_aux.c
@@ -12,8 +12,9 @@
 #include "init.h"
 #include "elf_user.h"
 #include "mem_user.h"
+#include <kernel-offsets.h>
 
-#if ELF_CLASS == ELFCLASS32
+#if HOST_ELF_CLASS == ELFCLASS32
 typedef Elf32_auxv_t elf_auxv_t;
 #else
 typedef Elf64_auxv_t elf_auxv_t;
diff --git a/arch/um/sys-i386/kernel-offsets.c b/arch/um/sys-i386/kernel-offsets.c
index 9f8ecd1fdd96..a1070af2bcd8 100644
--- a/arch/um/sys-i386/kernel-offsets.c
+++ b/arch/um/sys-i386/kernel-offsets.c
@@ -2,6 +2,7 @@
 #include <linux/stddef.h>
 #include <linux/sched.h>
 #include <linux/time.h>
+#include <linux/elf.h>
 #include <asm/page.h>
 
 #define DEFINE(sym, val) \
diff --git a/arch/um/sys-x86_64/kernel-offsets.c b/arch/um/sys-x86_64/kernel-offsets.c
index 220e875cbe29..998541eade41 100644
--- a/arch/um/sys-x86_64/kernel-offsets.c
+++ b/arch/um/sys-x86_64/kernel-offsets.c
@@ -2,6 +2,7 @@
 #include <linux/stddef.h>
 #include <linux/sched.h>
 #include <linux/time.h>
+#include <linux/elf.h>
 #include <asm/page.h>
 
 #define DEFINE(sym, val) \
-- 
2.20.1