Module Name:    src
Committed By:   martin
Date:           Wed Mar 21 10:08:03 UTC 2018

Modified Files:
        src/external/gpl3/gcc/dist/libsanitizer/asan [netbsd-8]: asan_linux.cc
        src/sys/arch/aarch64/include [netbsd-8]: mcontext.h
        src/sys/arch/alpha/include [netbsd-8]: mcontext.h
        src/sys/arch/amd64/include [netbsd-8]: mcontext.h
        src/sys/arch/arm/include [netbsd-8]: mcontext.h
        src/sys/arch/hppa/include [netbsd-8]: mcontext.h
        src/sys/arch/i386/include [netbsd-8]: mcontext.h
        src/sys/arch/ia64/include [netbsd-8]: mcontext.h
        src/sys/arch/m68k/include [netbsd-8]: mcontext.h
        src/sys/arch/mips/include [netbsd-8]: mcontext.h
        src/sys/arch/or1k/include [netbsd-8]: mcontext.h
        src/sys/arch/powerpc/include [netbsd-8]: mcontext.h
        src/sys/arch/riscv/include [netbsd-8]: mcontext.h
        src/sys/arch/sh3/include [netbsd-8]: mcontext.h
        src/sys/arch/sparc/include [netbsd-8]: mcontext.h
        src/sys/arch/sparc64/include [netbsd-8]: mcontext.h
        src/sys/arch/vax/include [netbsd-8]: mcontext.h
        src/tests/lib/libc/sys [netbsd-8]: Makefile t_ucontext.c

Log Message:
Pull up the following, requested by kamil in ticket #552:

external/gpl3/gcc{.old}/dist/libsanitizer/asan/asan_linux.cc 1.4
sys/arch/aarch64/include/mcontext.h             1.2
sys/arch/alpha/include/mcontext.h               1.9
sys/arch/amd64/include/mcontext.h               1.19
sys/arch/arm/include/mcontext.h                 1.19
sys/arch/hppa/include/mcontext.h                1.9
sys/arch/i386/include/mcontext.h                1.14
sys/arch/ia64/include/mcontext.h                1.6
sys/arch/m68k/include/mcontext.h                1.10
sys/arch/mips/include/mcontext.h                1.22
sys/arch/or1k/include/mcontext.h                1.2
sys/arch/powerpc/include/mcontext.h             1.18
sys/arch/riscv/include/mcontext.h               1.5
sys/arch/sh3/include/mcontext.h                 1.11
sys/arch/sparc/include/mcontext.h               1.14-1.17
sys/arch/sparc64/include/mcontext.h             1.10
sys/arch/vax/include/mcontext.h                 1.9
tests/lib/libc/sys/Makefile                     1.50
tests/lib/libc/sys/t_ucontext.c                 1.2-1.5
sys/arch/hppa/include/mcontext.h                1.10
sys/arch/ia64/include/mcontext.h                1.7

- Introduce _UC_MACHINE_FP().  _UC_MACHINE_FP() is a helper
  macro to extract from mcontext a frame pointer.
- Add new tests in lib/libc/sys/t_ucontext:
  * ucontext_sp (testing _UC_MACHINE_SP)
  * ucontext_fp (testing _UC_MACHINE_FP)
  * ucontext_pc (testing _UC_MACHINE_PC)
  * ucontext_intrv (testing _UC_MACHINE_INTRV)

Add a dummy implementation of _UC_MACHINE_INTRV() for ia64.

Implement _UC_MACHINE_INTRV() for hppa.

Make the t_ucontext.c test more portable.

We now have _UC_MACHINE_FP.


To generate a diff of this commit:
cvs rdiff -u -r1.9 -r1.9.8.1 \
    src/external/gpl3/gcc/dist/libsanitizer/asan/asan_linux.cc
cvs rdiff -u -r1.1.22.2 -r1.1.22.3 src/sys/arch/aarch64/include/mcontext.h
cvs rdiff -u -r1.8.32.2 -r1.8.32.3 src/sys/arch/alpha/include/mcontext.h
cvs rdiff -u -r1.18.20.2 -r1.18.20.3 src/sys/arch/amd64/include/mcontext.h
cvs rdiff -u -r1.18.10.2 -r1.18.10.3 src/sys/arch/arm/include/mcontext.h
cvs rdiff -u -r1.8.22.2 -r1.8.22.3 src/sys/arch/hppa/include/mcontext.h
cvs rdiff -u -r1.12.22.2 -r1.12.22.3 src/sys/arch/i386/include/mcontext.h
cvs rdiff -u -r1.5.8.2 -r1.5.8.3 src/sys/arch/ia64/include/mcontext.h
cvs rdiff -u -r1.9.42.2 -r1.9.42.3 src/sys/arch/m68k/include/mcontext.h
cvs rdiff -u -r1.21.10.2 -r1.21.10.3 src/sys/arch/mips/include/mcontext.h
cvs rdiff -u -r1.1.12.2 -r1.1.12.3 src/sys/arch/or1k/include/mcontext.h
cvs rdiff -u -r1.17.12.2 -r1.17.12.3 src/sys/arch/powerpc/include/mcontext.h
cvs rdiff -u -r1.4.10.2 -r1.4.10.3 src/sys/arch/riscv/include/mcontext.h
cvs rdiff -u -r1.10.32.2 -r1.10.32.3 src/sys/arch/sh3/include/mcontext.h
cvs rdiff -u -r1.13.32.2 -r1.13.32.3 src/sys/arch/sparc/include/mcontext.h
cvs rdiff -u -r1.9.32.2 -r1.9.32.3 src/sys/arch/sparc64/include/mcontext.h
cvs rdiff -u -r1.8.40.2 -r1.8.40.3 src/sys/arch/vax/include/mcontext.h
cvs rdiff -u -r1.49.4.2 -r1.49.4.3 src/tests/lib/libc/sys/Makefile
cvs rdiff -u -r1.1.34.2 -r1.1.34.3 src/tests/lib/libc/sys/t_ucontext.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/external/gpl3/gcc/dist/libsanitizer/asan/asan_linux.cc
diff -u src/external/gpl3/gcc/dist/libsanitizer/asan/asan_linux.cc:1.9 src/external/gpl3/gcc/dist/libsanitizer/asan/asan_linux.cc:1.9.8.1
--- src/external/gpl3/gcc/dist/libsanitizer/asan/asan_linux.cc:1.9	Wed Jun  1 00:53:35 2016
+++ src/external/gpl3/gcc/dist/libsanitizer/asan/asan_linux.cc	Wed Mar 21 10:08:03 2018
@@ -162,40 +162,42 @@ void AsanCheckIncompatibleRT() {
 
 void GetPcSpBp(void *context, uptr *pc, uptr *sp, uptr *bp) {
 #ifdef __NetBSD__
-# define __UC_MACHINE_FP(ucontext, r) \
+# ifndef _UC_MACHINE_FP
+#  define __UC_MACHINE_FP(ucontext, r) \
     (ucontext)->uc_mcontext.__gregs[(r)]
 /*
  * Unfortunately we don't have a portable frame pointer (yet)
  */
-# if defined(__alpha__)
-#  define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_S6)
-# elif defined(__arm__)
-#  define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_FP)
-# elif defined(__x86_64__)
-#  define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_RBP)
-# elif defined(__i386__)
-#  define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_EBP)
-# elif defined(__m68k__)
-#  define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_A6)
-# elif defined(__mips__)
-#  define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_S8)
-# elif defined(__powerpc__) || defined(__powerpc64__)
-#  define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_R1)
-# elif defined(__riscv__)
-#  define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_S0)
-# elif defined(__sparc__)
-#  define _UC_MACHINE_FP(ucontext) sp[15]
-# elif defined(__sh3__)
-#  define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_R14)
-# elif defined(__vax__)
-#  define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_FP)
-# else
-#  define _UC_MACHINE_FP(ucontext) 0
-# endif
+#  if defined(__alpha__)
+#   define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_S6)
+#  elif defined(__arm__)
+#   define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_FP)
+#  elif defined(__x86_64__)
+#   define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_RBP)
+#  elif defined(__i386__)
+#   define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_EBP)
+#  elif defined(__m68k__)
+#   define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_A6)
+#  elif defined(__mips__)
+#   define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_S8)
+#  elif defined(__powerpc__) || defined(__powerpc64__)
+#   define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_R1)
+#  elif defined(__riscv__)
+#   define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_S0)
+#  elif defined(__sparc__)
+#   define _UC_MACHINE_FP(ucontext) sp[15]
+#  elif defined(__sh3__)
+#   define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_R14)
+#  elif defined(__vax__)
+#   define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_FP)
+#  else
+#   define _UC_MACHINE_FP(ucontext) 0
+#  endif
   ucontext_t *ucontext = (ucontext_t*)context;
   *pc = _UC_MACHINE_PC(ucontext);
   *sp = _UC_MACHINE_SP(ucontext);
   *bp = _UC_MACHINE_FP(ucontext);
+# endif
 #elif ASAN_ANDROID
   *pc = *sp = *bp = 0;
 #elif defined(__arm__)

Index: src/sys/arch/aarch64/include/mcontext.h
diff -u src/sys/arch/aarch64/include/mcontext.h:1.1.22.2 src/sys/arch/aarch64/include/mcontext.h:1.1.22.3
--- src/sys/arch/aarch64/include/mcontext.h:1.1.22.2	Mon Feb 26 04:32:29 2018
+++ src/sys/arch/aarch64/include/mcontext.h	Wed Mar 21 10:08:02 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: mcontext.h,v 1.1.22.2 2018/02/26 04:32:29 snj Exp $ */
+/* $NetBSD: mcontext.h,v 1.1.22.3 2018/03/21 10:08:02 martin Exp $ */
 
 /*-
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -106,6 +106,7 @@ typedef struct {
 #define	_UC_TLSBASE	0x00080000	/* see <sys/ucontext.h> */
 
 #define _UC_MACHINE_SP(uc)	((uc)->uc_mcontext.__gregs[_REG_SP])
+#define _UC_MACHINE_FP(uc)	((uc)->uc_mcontext.__gregs[_REG_X29])
 #define _UC_MACHINE_PC(uc)	((uc)->uc_mcontext.__gregs[_REG_PC])
 #define _UC_MACHINE_INTRV(uc)	((uc)->uc_mcontext.__gregs[_REG_X0])
 

Index: src/sys/arch/alpha/include/mcontext.h
diff -u src/sys/arch/alpha/include/mcontext.h:1.8.32.2 src/sys/arch/alpha/include/mcontext.h:1.8.32.3
--- src/sys/arch/alpha/include/mcontext.h:1.8.32.2	Mon Feb 26 04:32:29 2018
+++ src/sys/arch/alpha/include/mcontext.h	Wed Mar 21 10:08:02 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: mcontext.h,v 1.8.32.2 2018/02/26 04:32:29 snj Exp $	*/
+/*	$NetBSD: mcontext.h,v 1.8.32.3 2018/03/21 10:08:02 martin Exp $	*/
 
 /*-
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -96,6 +96,7 @@ typedef struct {
 #define _UC_TLSBASE	0x20	/* valid process-unique value in _REG_UNIQUE */
 
 #define _UC_MACHINE_SP(uc)	((uc)->uc_mcontext.__gregs[_REG_SP])
+#define _UC_MACHINE_FP(uc)	((uc)->uc_mcontext.__gregs[_REG_S6])
 #define _UC_MACHINE_PC(uc)	((uc)->uc_mcontext.__gregs[_REG_PC])
 #define _UC_MACHINE_INTRV(uc)	((uc)->uc_mcontext.__gregs[_REG_V0])
 

Index: src/sys/arch/amd64/include/mcontext.h
diff -u src/sys/arch/amd64/include/mcontext.h:1.18.20.2 src/sys/arch/amd64/include/mcontext.h:1.18.20.3
--- src/sys/arch/amd64/include/mcontext.h:1.18.20.2	Mon Feb 26 04:32:29 2018
+++ src/sys/arch/amd64/include/mcontext.h	Wed Mar 21 10:08:02 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: mcontext.h,v 1.18.20.2 2018/02/26 04:32:29 snj Exp $	*/
+/*	$NetBSD: mcontext.h,v 1.18.20.3 2018/03/21 10:08:02 martin Exp $	*/
 
 /*-
  * Copyright (c) 1999 The NetBSD Foundation, Inc.
@@ -68,6 +68,7 @@ typedef struct {
 
 /* AMD64 ABI 128-bytes "red zone". */
 #define _UC_MACHINE_SP(uc)	((uc)->uc_mcontext.__gregs[_REG_RSP] - 128)
+#define _UC_MACHINE_FP(uc)	((uc)->uc_mcontext.__gregs[_REG_RBP])
 #define _UC_MACHINE_PC(uc)	((uc)->uc_mcontext.__gregs[_REG_RIP])
 #define _UC_MACHINE_INTRV(uc)	((uc)->uc_mcontext.__gregs[_REG_RAX])
 

Index: src/sys/arch/arm/include/mcontext.h
diff -u src/sys/arch/arm/include/mcontext.h:1.18.10.2 src/sys/arch/arm/include/mcontext.h:1.18.10.3
--- src/sys/arch/arm/include/mcontext.h:1.18.10.2	Mon Feb 26 04:32:29 2018
+++ src/sys/arch/arm/include/mcontext.h	Wed Mar 21 10:08:02 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: mcontext.h,v 1.18.10.2 2018/02/26 04:32:29 snj Exp $	*/
+/*	$NetBSD: mcontext.h,v 1.18.10.3 2018/03/21 10:08:02 martin Exp $	*/
 
 /*-
  * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc.
@@ -110,6 +110,7 @@ typedef struct {
 #define _UC_MACHINE_PAD	1		/* Padding appended to ucontext_t */
 
 #define _UC_MACHINE_SP(uc)	((uc)->uc_mcontext.__gregs[_REG_SP])
+#define _UC_MACHINE_FP(uc)	((uc)->uc_mcontext.__gregs[_REG_R11])
 #define _UC_MACHINE_PC(uc)	((uc)->uc_mcontext.__gregs[_REG_PC])
 #define _UC_MACHINE_INTRV(uc)	((uc)->uc_mcontext.__gregs[_REG_R0])
 

Index: src/sys/arch/hppa/include/mcontext.h
diff -u src/sys/arch/hppa/include/mcontext.h:1.8.22.2 src/sys/arch/hppa/include/mcontext.h:1.8.22.3
--- src/sys/arch/hppa/include/mcontext.h:1.8.22.2	Mon Feb 26 04:32:29 2018
+++ src/sys/arch/hppa/include/mcontext.h	Wed Mar 21 10:08:02 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: mcontext.h,v 1.8.22.2 2018/02/26 04:32:29 snj Exp $	*/
+/*	$NetBSD: mcontext.h,v 1.8.22.3 2018/03/21 10:08:02 martin Exp $	*/
 
 #ifndef _HPPA_MCONTEXT_H_
 #define	_HPPA_MCONTEXT_H_
@@ -50,12 +50,14 @@ typedef struct {
 } mcontext_t;
 
 #define	_UC_MACHINE_SP(uc)	((uc)->uc_mcontext.__gregs[_REG_SP])
+#define	_UC_MACHINE_FP(uc)	((uc)->uc_mcontext.__gregs[3])
 #define	_UC_MACHINE_PC(uc) 	((uc)->uc_mcontext.__gregs[_REG_PCOQH])
 #define	_UC_MACHINE_SET_PC(uc, pc)					\
 do {									\
 	(uc)->uc_mcontext.__gregs[_REG_PCOQH] = (pc);			\
 	(uc)->uc_mcontext.__gregs[_REG_PCOQT] = (pc) + 4;		\
 } while (/*CONSTCOND*/0)
+#define	_UC_MACHINE_INTRV(uc) 	((uc)->uc_mcontext.__gregs[_REG_RET0])
 
 static __inline void *
 __lwp_getprivate_fast(void)

Index: src/sys/arch/i386/include/mcontext.h
diff -u src/sys/arch/i386/include/mcontext.h:1.12.22.2 src/sys/arch/i386/include/mcontext.h:1.12.22.3
--- src/sys/arch/i386/include/mcontext.h:1.12.22.2	Mon Feb 26 04:32:30 2018
+++ src/sys/arch/i386/include/mcontext.h	Wed Mar 21 10:08:02 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: mcontext.h,v 1.12.22.2 2018/02/26 04:32:30 snj Exp $	*/
+/*	$NetBSD: mcontext.h,v 1.12.22.3 2018/03/21 10:08:02 martin Exp $	*/
 
 /*-
  * Copyright (c) 1999 The NetBSD Foundation, Inc.
@@ -116,6 +116,7 @@ typedef struct {
 #ifndef _UC_MACHINE_SP
 #define _UC_MACHINE_SP(uc)	((uc)->uc_mcontext.__gregs[_REG_UESP])
 #endif
+#define _UC_MACHINE_FP(uc)	((uc)->uc_mcontext.__gregs[_REG_EBP])
 #define _UC_MACHINE_PC(uc)	((uc)->uc_mcontext.__gregs[_REG_EIP])
 #define _UC_MACHINE_INTRV(uc)	((uc)->uc_mcontext.__gregs[_REG_EAX])
 

Index: src/sys/arch/ia64/include/mcontext.h
diff -u src/sys/arch/ia64/include/mcontext.h:1.5.8.2 src/sys/arch/ia64/include/mcontext.h:1.5.8.3
--- src/sys/arch/ia64/include/mcontext.h:1.5.8.2	Mon Feb 26 04:32:30 2018
+++ src/sys/arch/ia64/include/mcontext.h	Wed Mar 21 10:08:02 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: mcontext.h,v 1.5.8.2 2018/02/26 04:32:30 snj Exp $	*/
+/*	$NetBSD: mcontext.h,v 1.5.8.3 2018/03/21 10:08:02 martin Exp $	*/
 
 /*-
  * Copyright (c) 1999 The NetBSD Foundation, Inc.
@@ -112,8 +112,10 @@ typedef struct __mcontext {
 } mcontext_t;
 
 #define _UC_MACHINE_SP(uc)	((uc)->uc_mcontext.mc_special.sp)
+#define _UC_MACHINE_FP(uc)	((uc)->uc_mcontext.__gregs[79])
 /* XXX or assembly "mov Rn = ip" or ...? */
 #define	_UC_MACHINE_PC(uc)	((uc)->uc_mcontext.mc_special.iip)
+#define	_UC_MACHINE_INTRV(uc)	0 /* XXX */
 
 static __inline void *
 __lwp_getprivate_fast(void)

Index: src/sys/arch/m68k/include/mcontext.h
diff -u src/sys/arch/m68k/include/mcontext.h:1.9.42.2 src/sys/arch/m68k/include/mcontext.h:1.9.42.3
--- src/sys/arch/m68k/include/mcontext.h:1.9.42.2	Mon Feb 26 04:32:30 2018
+++ src/sys/arch/m68k/include/mcontext.h	Wed Mar 21 10:08:02 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: mcontext.h,v 1.9.42.2 2018/02/26 04:32:30 snj Exp $	*/
+/*	$NetBSD: mcontext.h,v 1.9.42.3 2018/03/21 10:08:02 martin Exp $	*/
 
 /*-
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -102,6 +102,7 @@ typedef struct {
 #define	_UC_TLSBASE	0x00080000
 
 #define _UC_MACHINE_SP(uc)	((uc)->uc_mcontext.__gregs[_REG_A7])
+#define _UC_MACHINE_FP(uc)	((uc)->uc_mcontext.__gregs[_REG_A6])
 #define _UC_MACHINE_PC(uc)	((uc)->uc_mcontext.__gregs[_REG_PC])
 #define _UC_MACHINE_INTRV(uc)	((uc)->uc_mcontext.__gregs[_REG_D0])
 

Index: src/sys/arch/mips/include/mcontext.h
diff -u src/sys/arch/mips/include/mcontext.h:1.21.10.2 src/sys/arch/mips/include/mcontext.h:1.21.10.3
--- src/sys/arch/mips/include/mcontext.h:1.21.10.2	Mon Feb 26 04:32:30 2018
+++ src/sys/arch/mips/include/mcontext.h	Wed Mar 21 10:08:02 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: mcontext.h,v 1.21.10.2 2018/02/26 04:32:30 snj Exp $	*/
+/*	$NetBSD: mcontext.h,v 1.21.10.3 2018/03/21 10:08:02 martin Exp $	*/
 
 /*-
  * Copyright (c) 1999, 2002 The NetBSD Foundation, Inc.
@@ -159,6 +159,7 @@ typedef struct {
 #define	_UC_TLSBASE	0x00040000
 
 #define _UC_MACHINE_SP(uc)	((uc)->uc_mcontext.__gregs[_REG_SP])
+#define _UC_MACHINE_FP(uc)	((uc)->uc_mcontext.__gregs[_REG_S8])
 #define _UC_MACHINE_PC(uc)	((uc)->uc_mcontext.__gregs[_REG_EPC])
 #define _UC_MACHINE_INTRV(uc)	((uc)->uc_mcontext.__gregs[_REG_V0])
 

Index: src/sys/arch/or1k/include/mcontext.h
diff -u src/sys/arch/or1k/include/mcontext.h:1.1.12.2 src/sys/arch/or1k/include/mcontext.h:1.1.12.3
--- src/sys/arch/or1k/include/mcontext.h:1.1.12.2	Mon Feb 26 04:32:30 2018
+++ src/sys/arch/or1k/include/mcontext.h	Wed Mar 21 10:08:02 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: mcontext.h,v 1.1.12.2 2018/02/26 04:32:30 snj Exp $ */
+/* $NetBSD: mcontext.h,v 1.1.12.3 2018/03/21 10:08:02 martin Exp $ */
 
 /*-
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -88,6 +88,7 @@ typedef struct {
 #define	_UC_TLSBASE	0x00080000	/* see <sys/ucontext.h> */
 
 #define _UC_MACHINE_SP(uc)	((uc)->uc_mcontext.__gregs[_REG_SP])
+#define _UC_MACHINE_FP(uc)	((uc)->uc_mcontext.__gregs[_REG_R2])
 #define _UC_MACHINE_PC(uc)	((uc)->uc_mcontext.__gregs[_REG_PC])
 #define _UC_MACHINE_INTRV(uc)	((uc)->uc_mcontext.__gregs[_REG_RV])
 

Index: src/sys/arch/powerpc/include/mcontext.h
diff -u src/sys/arch/powerpc/include/mcontext.h:1.17.12.2 src/sys/arch/powerpc/include/mcontext.h:1.17.12.3
--- src/sys/arch/powerpc/include/mcontext.h:1.17.12.2	Mon Feb 26 04:32:30 2018
+++ src/sys/arch/powerpc/include/mcontext.h	Wed Mar 21 10:08:03 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: mcontext.h,v 1.17.12.2 2018/02/26 04:32:30 snj Exp $	*/
+/*	$NetBSD: mcontext.h,v 1.17.12.3 2018/03/21 10:08:03 martin Exp $	*/
 
 /*-
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -133,6 +133,7 @@ typedef struct {
 #define	_UC_TLSBASE	0x00080000	/* thread context valid in R2 */
 
 #define _UC_MACHINE_SP(uc)	((uc)->uc_mcontext.__gregs[_REG_R1])
+#define _UC_MACHINE_FP(uc)	((uc)->uc_mcontext.__gregs[_REG_R31])
 #define _UC_MACHINE_PC(uc)	((uc)->uc_mcontext.__gregs[_REG_PC])
 #define _UC_MACHINE_INTRV(uc)	((uc)->uc_mcontext.__gregs[_REG_R3])
 

Index: src/sys/arch/riscv/include/mcontext.h
diff -u src/sys/arch/riscv/include/mcontext.h:1.4.10.2 src/sys/arch/riscv/include/mcontext.h:1.4.10.3
--- src/sys/arch/riscv/include/mcontext.h:1.4.10.2	Mon Feb 26 04:32:30 2018
+++ src/sys/arch/riscv/include/mcontext.h	Wed Mar 21 10:08:03 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: mcontext.h,v 1.4.10.2 2018/02/26 04:32:30 snj Exp $ */
+/* $NetBSD: mcontext.h,v 1.4.10.3 2018/03/21 10:08:03 martin Exp $ */
 
 /*-
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -118,6 +118,7 @@ typedef struct {
 #define	_UC_TLSBASE	0x00080000	/* see <sys/ucontext.h> */
 
 #define _UC_MACHINE_SP(uc)	((uc)->uc_mcontext.__gregs[_REG_SP])
+#define _UC_MACHINE_FP(uc)	((uc)->uc_mcontext.__gregs[_REG_S0])
 #define _UC_MACHINE_PC(uc)	((uc)->uc_mcontext.__gregs[_REG_PC])
 #define _UC_MACHINE_INTRV(uc)	((uc)->uc_mcontext.__gregs[_REG_RV])
 

Index: src/sys/arch/sh3/include/mcontext.h
diff -u src/sys/arch/sh3/include/mcontext.h:1.10.32.2 src/sys/arch/sh3/include/mcontext.h:1.10.32.3
--- src/sys/arch/sh3/include/mcontext.h:1.10.32.2	Mon Feb 26 04:32:30 2018
+++ src/sys/arch/sh3/include/mcontext.h	Wed Mar 21 10:08:03 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: mcontext.h,v 1.10.32.2 2018/02/26 04:32:30 snj Exp $	*/
+/*	$NetBSD: mcontext.h,v 1.10.32.3 2018/03/21 10:08:03 martin Exp $	*/
 
 /*-
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -82,6 +82,7 @@ typedef struct {
 } mcontext_t;
 
 #define	_UC_MACHINE_SP(uc)	((uc)->uc_mcontext.__gregs[_REG_SP])
+#define	_UC_MACHINE_FP(uc)	((uc)->uc_mcontext.__gregs[_REG_R14])
 #define	_UC_MACHINE_PC(uc)	((uc)->uc_mcontext.__gregs[_REG_PC])
 #define	_UC_MACHINE_INTRV(uc)	((uc)->uc_mcontext.__gregs[_REG_R0])
 

Index: src/sys/arch/sparc/include/mcontext.h
diff -u src/sys/arch/sparc/include/mcontext.h:1.13.32.2 src/sys/arch/sparc/include/mcontext.h:1.13.32.3
--- src/sys/arch/sparc/include/mcontext.h:1.13.32.2	Mon Feb 26 04:32:30 2018
+++ src/sys/arch/sparc/include/mcontext.h	Wed Mar 21 10:08:03 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: mcontext.h,v 1.13.32.2 2018/02/26 04:32:30 snj Exp $	*/
+/*	$NetBSD: mcontext.h,v 1.13.32.3 2018/03/21 10:08:03 martin Exp $	*/
 
 /*-
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -30,11 +30,11 @@
  */
 
 #ifndef _SPARC_MCONTEXT_H_
-#define _SPARC_MCONTEXT_H_
+#define	_SPARC_MCONTEXT_H_
 
-#define _UC_SETSTACK	0x00010000
-#define _UC_CLRSTACK	0x00020000
-#define _UC_TLSBASE	0x00080000
+#define	_UC_SETSTACK	0x00010000
+#define	_UC_CLRSTACK	0x00020000
+#define	_UC_TLSBASE	0x00080000
 
 /*
  * Layout of mcontext_t according the System V Application Binary Interface,
@@ -144,13 +144,13 @@ typedef struct {
 } mcontext_t;
 
 #ifdef __arch64__
-#define _UC_MACHINE_PAD	8		/* Padding appended to ucontext_t */
-#define	_UC_MACHINE_SP(uc)	(((uc)->uc_mcontext.__gregs[_REG_O6])+0x7ff)
-#define _UC_MACHINE32_PAD	43	/* compat_netbsd32 variant */
-#define	_UC_MACHINE32_SP(uc)	((uc)->uc_mcontext.__gregs[_REG_O6])
+#define	_UC_MACHINE_PAD	8		/* Padding appended to ucontext_t */
+#define	_UC_MACHINE_SP(uc)	(((uc)->uc_mcontext.__gregs[_REG_O6]) + 0x7ff)
+#define	_UC_MACHINE_FP(uc)	(((__greg_t *)_UC_MACHINE_SP(uc))[15])
 #else
-#define _UC_MACHINE_PAD	43		/* Padding appended to ucontext_t */
+#define	_UC_MACHINE_PAD	43		/* Padding appended to ucontext_t */
 #define	_UC_MACHINE_SP(uc)	((uc)->uc_mcontext.__gregs[_REG_O6])
+#define	_UC_MACHINE_FP(uc)	(((__greg_t *)_UC_MACHINE_SP(uc))[15])
 #endif
 #define	_UC_MACHINE_PC(uc)	((uc)->uc_mcontext.__gregs[_REG_PC])
 #define	_UC_MACHINE_INTRV(uc)	((uc)->uc_mcontext.__gregs[_REG_O0])

Index: src/sys/arch/sparc64/include/mcontext.h
diff -u src/sys/arch/sparc64/include/mcontext.h:1.9.32.2 src/sys/arch/sparc64/include/mcontext.h:1.9.32.3
--- src/sys/arch/sparc64/include/mcontext.h:1.9.32.2	Mon Feb 26 04:32:30 2018
+++ src/sys/arch/sparc64/include/mcontext.h	Wed Mar 21 10:08:03 2018
@@ -1,11 +1,11 @@
-/*	$NetBSD: mcontext.h,v 1.9.32.2 2018/02/26 04:32:30 snj Exp $	*/
+/*	$NetBSD: mcontext.h,v 1.9.32.3 2018/03/21 10:08:03 martin Exp $	*/
 
 #ifndef _SPARC64_MCONTEXT_H_
-#define _SPARC64_MCONTEXT_H_
+#define	_SPARC64_MCONTEXT_H_
 
 #include <sparc/mcontext.h>
 
-#define _NGREG32	19	/* %psr, pc, npc, %g1-7, %o0-7 */
+#define	_NGREG32	19	/* %psr, pc, npc, %g1-7, %o0-7 */
 typedef	int	__greg32_t;
 typedef	__greg32_t	__gregset32_t[_NGREG32];
 
@@ -76,4 +76,8 @@ typedef struct {
 #define	_UC_CLRSTACK	0x00020000
 #define	_UC_TLSBASE	0x00080000
 
+#define	_UC_MACHINE32_PAD	43	/* compat_netbsd32 variant */
+#define	_UC_MACHINE32_SP(uc)	((uc)->uc_mcontext.__gregs[_REG_O6])
+#define	_UC_MACHINE32_FP(uc)	(((__greg32_t *)_UC_MACHINE32_SP(uc))[15])
+
 #endif /* _SPARC64_MCONTEXT_H_ */

Index: src/sys/arch/vax/include/mcontext.h
diff -u src/sys/arch/vax/include/mcontext.h:1.8.40.2 src/sys/arch/vax/include/mcontext.h:1.8.40.3
--- src/sys/arch/vax/include/mcontext.h:1.8.40.2	Mon Feb 26 04:32:30 2018
+++ src/sys/arch/vax/include/mcontext.h	Wed Mar 21 10:08:03 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: mcontext.h,v 1.8.40.2 2018/02/26 04:32:30 snj Exp $	*/
+/*	$NetBSD: mcontext.h,v 1.8.40.3 2018/03/21 10:08:03 martin Exp $	*/
 
 /*-
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -68,6 +68,7 @@ typedef struct {
 #define _UC_TLSBASE	0x00080000
 
 #define	_UC_MACHINE_SP(uc)	((uc)->uc_mcontext.__gregs[_REG_SP])
+#define	_UC_MACHINE_FP(uc)	((uc)->uc_mcontext.__gregs[_REG_FP])
 #define	_UC_MACHINE_PC(uc)	((uc)->uc_mcontext.__gregs[_REG_PC])
 #define	_UC_MACHINE_INTRV(uc)	((uc)->uc_mcontext.__gregs[_REG_R0])
 

Index: src/tests/lib/libc/sys/Makefile
diff -u src/tests/lib/libc/sys/Makefile:1.49.4.2 src/tests/lib/libc/sys/Makefile:1.49.4.3
--- src/tests/lib/libc/sys/Makefile:1.49.4.2	Mon Feb 26 04:32:31 2018
+++ src/tests/lib/libc/sys/Makefile	Wed Mar 21 10:08:03 2018
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.49.4.2 2018/02/26 04:32:31 snj Exp $
+# $NetBSD: Makefile,v 1.49.4.3 2018/03/21 10:08:03 martin Exp $
 
 MKMAN=	no
 
@@ -96,6 +96,7 @@ CPPFLAGS.t_ptrace_wait4.c	+= -D_KERNTYPE
 CPPFLAGS.t_ptrace_wait6.c	+= -D_KERNTYPES
 CPPFLAGS.t_ptrace_waitid.c	+= -D_KERNTYPES
 CPPFLAGS.t_ptrace_waitpid.c	+= -D_KERNTYPES
+CPPFLAGS.t_ucontext.c		+= -D_KERNTYPES
 
 FILES=		truncate_test.root_owned
 FILESBUILD=	yes

Index: src/tests/lib/libc/sys/t_ucontext.c
diff -u src/tests/lib/libc/sys/t_ucontext.c:1.1.34.2 src/tests/lib/libc/sys/t_ucontext.c:1.1.34.3
--- src/tests/lib/libc/sys/t_ucontext.c:1.1.34.2	Mon Feb 26 04:32:31 2018
+++ src/tests/lib/libc/sys/t_ucontext.c	Wed Mar 21 10:08:03 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: t_ucontext.c,v 1.1.34.2 2018/02/26 04:32:31 snj Exp $ */
+/* $NetBSD: t_ucontext.c,v 1.1.34.3 2018/03/21 10:08:03 martin Exp $ */
 
 /*
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -29,11 +29,12 @@
 #include <sys/cdefs.h>
 __COPYRIGHT("@(#) Copyright (c) 2008\
  The NetBSD Foundation, inc. All rights reserved.");
-__RCSID("$NetBSD: t_ucontext.c,v 1.1.34.2 2018/02/26 04:32:31 snj Exp $");
+__RCSID("$NetBSD: t_ucontext.c,v 1.1.34.3 2018/03/21 10:08:03 martin Exp $");
 
 #include <atf-c.h>
 #include <stdio.h>
 #include <ucontext.h>
+#include <inttypes.h>
 
 ATF_TC(ucontext_basic);
 ATF_TC_HEAD(ucontext_basic, tc)
@@ -68,9 +69,73 @@ ATF_TC_BODY(ucontext_basic, tc)
 	ATF_REQUIRE_EQ(y, 21);
 }
 
+ATF_TC(ucontext_sp);
+ATF_TC_HEAD(ucontext_sp, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Retrieve _UC_MACHINE_SP()");
+}
+
+ATF_TC_BODY(ucontext_sp, tc)
+{
+	ucontext_t u;
+
+	getcontext(&u);
+
+	printf("_UC_MACHINE_SP(u)=%" PRIxREGISTER "\n", (register_t)_UC_MACHINE_SP(&u));
+}
+
+ATF_TC(ucontext_fp);
+ATF_TC_HEAD(ucontext_fp, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Retrieve _UC_MACHINE_FP()");
+}
+
+ATF_TC_BODY(ucontext_fp, tc)
+{
+	ucontext_t u;
+
+	getcontext(&u);
+
+	printf("_UC_MACHINE_FP(u)=%" PRIxREGISTER "\n", (register_t)_UC_MACHINE_FP(&u));
+}
+
+ATF_TC(ucontext_pc);
+ATF_TC_HEAD(ucontext_pc, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Retrieve _UC_MACHINE_PC()");
+}
+
+ATF_TC_BODY(ucontext_pc, tc)
+{
+	ucontext_t u;
+
+	getcontext(&u);
+
+	printf("_UC_MACHINE_PC(u)=%" PRIxREGISTER "\n", (register_t)_UC_MACHINE_PC(&u));
+}
+
+ATF_TC(ucontext_intrv);
+ATF_TC_HEAD(ucontext_intrv, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Retrieve _UC_MACHINE_INTRV()");
+}
+
+ATF_TC_BODY(ucontext_intrv, tc)
+{
+	ucontext_t u;
+
+	getcontext(&u);
+
+	printf("_UC_MACHINE_INTRV(u)=%" PRIxREGISTER "\n", (register_t)_UC_MACHINE_INTRV(&u));
+}
+
 ATF_TP_ADD_TCS(tp)
 {
 	ATF_TP_ADD_TC(tp, ucontext_basic);
+	ATF_TP_ADD_TC(tp, ucontext_sp);
+	ATF_TP_ADD_TC(tp, ucontext_fp);
+	ATF_TP_ADD_TC(tp, ucontext_pc);
+	ATF_TP_ADD_TC(tp, ucontext_intrv);
 
 	return atf_no_error();
 }

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