um: finish conversion to mcontext_t
now we don't mix host and guest signal frame layouts anymore; moreover,
we don't need host's struct sigcontext at all.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
diff --git a/arch/um/sys-x86/shared/sysdep/mcontext.h b/arch/um/sys-x86/shared/sysdep/mcontext.h
new file mode 100644
index 0000000..b724c54
--- /dev/null
+++ b/arch/um/sys-x86/shared/sysdep/mcontext.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __SYS_SIGCONTEXT_X86_H
+#define __SYS_SIGCONTEXT_X86_H
+
+extern void get_regs_from_mc(struct uml_pt_regs *, mcontext_t *);
+
+#ifdef __i386__
+
+#define GET_FAULTINFO_FROM_MC(fi, mc) \
+ { \
+ (fi).cr2 = (mc)->cr2; \
+ (fi).error_code = (mc)->gregs[REG_ERR]; \
+ (fi).trap_no = (mc)->gregs[REG_TRAPNO]; \
+ }
+
+#else
+
+#define GET_FAULTINFO_FROM_MC(fi, mc) \
+ { \
+ (fi).cr2 = (mc)->gregs[REG_CR2]; \
+ (fi).error_code = (mc)->gregs[REG_ERR]; \
+ (fi).trap_no = (mc)->gregs[REG_TRAPNO]; \
+ }
+
+#endif
+
+#endif
diff --git a/arch/um/sys-x86/shared/sysdep/sigcontext.h b/arch/um/sys-x86/shared/sysdep/sigcontext.h
deleted file mode 100644
index f7f49f4..0000000
--- a/arch/um/sys-x86/shared/sysdep/sigcontext.h
+++ /dev/null
@@ -1,5 +0,0 @@
-#ifdef __i386__
-#include "sigcontext_32.h"
-#else
-#include "sigcontext_64.h"
-#endif
diff --git a/arch/um/sys-x86/shared/sysdep/sigcontext_32.h b/arch/um/sys-x86/shared/sysdep/sigcontext_32.h
deleted file mode 100644
index 548c3cd..0000000
--- a/arch/um/sys-x86/shared/sysdep/sigcontext_32.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
- * Licensed under the GPL
- */
-
-#ifndef __SYS_SIGCONTEXT_I386_H
-#define __SYS_SIGCONTEXT_I386_H
-
-#include <generated/user_constants.h>
-
-#define SC_OFFSET(sc, field) \
- *((unsigned long *) &(((char *) (sc))[HOST_##field]))
-
-#define SC_TRAPNO(sc) SC_OFFSET(sc, SC_TRAPNO)
-#define SC_ERR(sc) SC_OFFSET(sc, SC_ERR)
-#define SC_CR2(sc) SC_OFFSET(sc, SC_CR2)
-
-#define GET_FAULTINFO_FROM_SC(fi, sc) \
- { \
- (fi).cr2 = SC_CR2(sc); \
- (fi).error_code = SC_ERR(sc); \
- (fi).trap_no = SC_TRAPNO(sc); \
- }
-
-#define GET_FAULTINFO_FROM_MC(fi, mc) \
- { \
- (fi).cr2 = (mc)->cr2; \
- (fi).error_code = (mc)->gregs[REG_ERR]; \
- (fi).trap_no = (mc)->gregs[REG_TRAPNO]; \
- }
-
-#endif
diff --git a/arch/um/sys-x86/shared/sysdep/sigcontext_64.h b/arch/um/sys-x86/shared/sysdep/sigcontext_64.h
deleted file mode 100644
index 5c4a6a3..0000000
--- a/arch/um/sys-x86/shared/sysdep/sigcontext_64.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright 2003 PathScale, Inc.
- *
- * Licensed under the GPL
- */
-
-#ifndef __SYSDEP_X86_64_SIGCONTEXT_H
-#define __SYSDEP_X86_64_SIGCONTEXT_H
-
-#include <generated/user_constants.h>
-
-#define SC_OFFSET(sc, field) \
- *((unsigned long *) &(((char *) (sc))[HOST_##field]))
-#define SC_CR2(sc) SC_OFFSET(sc, SC_CR2)
-#define SC_ERR(sc) SC_OFFSET(sc, SC_ERR)
-#define SC_TRAPNO(sc) SC_OFFSET(sc, SC_TRAPNO)
-
-#define GET_FAULTINFO_FROM_SC(fi, sc) \
- { \
- (fi).cr2 = SC_CR2(sc); \
- (fi).error_code = SC_ERR(sc); \
- (fi).trap_no = SC_TRAPNO(sc); \
- }
-
-#define GET_FAULTINFO_FROM_MC(fi, mc) \
- { \
- (fi).cr2 = (mc)->gregs[REG_CR2]; \
- (fi).error_code = (mc)->gregs[REG_ERR]; \
- (fi).trap_no = (mc)->gregs[REG_TRAPNO]; \
- }
-
-#endif
diff --git a/arch/um/sys-x86/stub_segv.c b/arch/um/sys-x86/stub_segv.c
index bd2eaf6..b7450bd 100644
--- a/arch/um/sys-x86/stub_segv.c
+++ b/arch/um/sys-x86/stub_segv.c
@@ -5,7 +5,7 @@
#include "sysdep/stub.h"
#include "sysdep/faultinfo.h"
-#include "sysdep/sigcontext.h"
+#include "sysdep/mcontext.h"
void __attribute__ ((__section__ (".__syscall_stub")))
stub_segv_handler(int sig, siginfo_t *info, void *p)
diff --git a/arch/um/sys-x86/user-offsets.c b/arch/um/sys-x86/user-offsets.c
index 718f0c0..3c19c48 100644
--- a/arch/um/sys-x86/user-offsets.c
+++ b/arch/um/sys-x86/user-offsets.c
@@ -14,15 +14,8 @@
#define DEFINE_LONGS(sym, val) \
asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long)))
-#define OFFSET(sym, str, mem) \
- DEFINE(sym, offsetof(struct str, mem));
-
void foo(void)
{
- OFFSET(HOST_SC_TRAPNO, sigcontext, trapno);
- OFFSET(HOST_SC_ERR, sigcontext, err);
- OFFSET(HOST_SC_CR2, sigcontext, cr2);
-
#ifdef __i386__
DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_fpregs_struct));
DEFINE_LONGS(HOST_FPX_SIZE, sizeof(struct user_fpxregs_struct));