[PATCH 3/4] x86&x86-64 UML support for sys_indirect

From: Ulrich Drepper
Date: Thu Nov 15 2007 - 11:42:52 EST


This part adds support for sys_indirect on UML on x86 and x86-64.

b/arch/um/Makefile | 2 +-
b/include/asm-um/indirect-i386.h | 6 ++++++
b/include/asm-um/indirect-x86_64.h | 10 ++++++++++
3 files changed, 17 insertions(+), 1 deletion(-)


--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -20,7 +20,7 @@ core-y += $(ARCH_DIR)/kernel/ \

# Have to precede the include because the included Makefiles reference them.
SYMLINK_HEADERS := archparam.h system.h sigcontext.h processor.h ptrace.h \
- module.h vm-flags.h elf.h host_ldt.h
+ module.h vm-flags.h elf.h host_ldt.h indirect.h
SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),include/asm-um/$(header))

# XXX: The "os" symlink is only used by arch/um/include/os.h, which includes
diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index df588f0..ed21ebe 100644
--- /dev/null 2007-09-23 16:36:38.465394704 -0700
+++ b/include/asm-um/indirect-i386.h 2007-11-14 22:20:40.000000000 -0800
@@ -0,0 +1,6 @@
+#ifndef __UM_INDIRECT_I386_H
+#define __UM_INDIRECT_I386_H
+
+#include "asm/arch/indirect_32.h"
+
+#endif
--- /dev/null 2007-09-23 16:36:38.465394704 -0700
+++ b/include/asm-um/indirect-x86_64.h 2007-11-14 22:20:58.000000000 -0800
@@ -0,0 +1,10 @@
+#ifndef __UM_INDIRECT_X86_64_H
+#define __UM_INDIRECT_X86_64_H
+
+#include "asm/arch/indirect_64.h"
+
+#undef CALL_INDIRECT
+#define CALL_INDIRECT(regs) \
+ CALL_INDIRECT_WMAX(regs, UM_NR_syscall_max)
+
+#endif
-
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