From 21cbb6fe887a30f0777521ec10f0d0d9c2a7da7e Mon Sep 17 00:00:00 2001
From: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Date: Fri, 13 Mar 2015 21:03:10 +0100
Subject: unistd.h: put getppid under XOPEN2K8
Add __LEAF to all __THROW, introduce non-leaf __THROWNL
Adjust affected spots accordingly.
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
---
libc/sysdeps/linux/common/getrusage.c | 1 +
1 file changed, 1 insertion(+)
(limited to 'libc/sysdeps')
diff --git a/libc/sysdeps/linux/common/getrusage.c b/libc/sysdeps/linux/common/getrusage.c
index 3e719f294..fb7614be8 100644
--- a/libc/sysdeps/linux/common/getrusage.c
+++ b/libc/sysdeps/linux/common/getrusage.c
@@ -10,4 +10,5 @@
#include <sys/syscall.h>
#include <unistd.h>
#include <wait.h>
+#include <sys/resource.h>
_syscall2(int, getrusage, __rusage_who_t, who, struct rusage *, usage)
--
cgit v1.2.3
From 75d9bf2dc57f89532a25ab9942b8bea468585199 Mon Sep 17 00:00:00 2001
From: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Date: Tue, 17 Mar 2015 20:54:58 +0100
Subject: include: silence __leaf warning
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
---
libc/sysdeps/linux/common/makedev.c | 42 +++++++++++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
create mode 100644 libc/sysdeps/linux/common/makedev.c
(limited to 'libc/sysdeps')
diff --git a/libc/sysdeps/linux/common/makedev.c b/libc/sysdeps/linux/common/makedev.c
new file mode 100644
index 000000000..d7761671b
--- /dev/null
+++ b/libc/sysdeps/linux/common/makedev.c
@@ -0,0 +1,42 @@
+/* Definitions of functions to access `dev_t' values.
+ Copyright (C) 2003-2015 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <endian.h>
+#include <sys/sysmacros.h>
+
+unsigned int
+gnu_dev_major (unsigned long long int dev)
+{
+ return ((dev >> 8) & 0xfff) | ((unsigned int) (dev >> 32) & ~0xfff);
+}
+libc_hidden_def(gnu_dev_major)
+
+unsigned int
+gnu_dev_minor (unsigned long long int dev)
+{
+ return (dev & 0xff) | ((unsigned int) (dev >> 12) & ~0xff);
+}
+libc_hidden_def(gnu_dev_minor)
+
+unsigned long long int
+gnu_dev_makedev (unsigned int major, unsigned int minor)
+{
+ return ((minor & 0xff) | ((major & 0xfff) << 8)
+ | (((unsigned long long int) (minor & ~0xff)) << 12)
+ | (((unsigned long long int) (major & ~0xfff)) << 32));
+}
--
cgit v1.2.3
From 6c4538905e65ceb203f59aaa9a61728e81c6bc0a Mon Sep 17 00:00:00 2001
From: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Date: Wed, 18 Mar 2015 22:32:22 +0100
Subject: libm: Add missing C99 float/ld wrappers
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
---
libc/sysdeps/linux/common/bits/mathcalls.h | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
(limited to 'libc/sysdeps')
diff --git a/libc/sysdeps/linux/common/bits/mathcalls.h b/libc/sysdeps/linux/common/bits/mathcalls.h
index 84b793c96..9bebb5190 100644
--- a/libc/sysdeps/linux/common/bits/mathcalls.h
+++ b/libc/sysdeps/linux/common/bits/mathcalls.h
@@ -74,8 +74,22 @@ __MATHCALLI (atan2,, (_Mdouble_ __y, _Mdouble_ __x))
/* Cosine of X. */
__MATHCALLI (cos,, (_Mdouble_ __x))
+# if defined _LIBC && defined _Mlong_double_
+libm_hidden_proto(cosl)
+# endif
+# if defined _LIBC && defined _Mfloat_
+libm_hidden_proto(cosf)
+# endif
+
/* Sine of X. */
__MATHCALLI (sin,, (_Mdouble_ __x))
+# if defined _LIBC && defined _Mlong_double_
+libm_hidden_proto(sinl)
+# endif
+# if defined _LIBC && defined _Mfloat_
+libm_hidden_proto(sinf)
+# endif
+
/* Tangent of X. */
__MATHCALLI (tan,, (_Mdouble_ __x))
@@ -111,6 +125,9 @@ __END_NAMESPACE_C99
_Mdouble_BEGIN_NAMESPACE
/* Exponential function of X. */
__MATHCALLI (exp,, (_Mdouble_ __x))
+# if defined _LIBC && defined _Mlong_double_
+libm_hidden_proto(expl)
+# endif
/* Break VALUE into a normalized fraction and an integral power of 2. */
__MATHCALLI (frexp,, (_Mdouble_ __x, int *__exponent))
@@ -173,6 +190,9 @@ _Mdouble_END_NAMESPACE
__BEGIN_NAMESPACE_C99
/* Return `sqrt(X*X + Y*Y)'. */
__MATHCALLI (hypot,, (_Mdouble_ __x, _Mdouble_ __y))
+# if defined _LIBC && defined _Mlong_double_
+libm_hidden_proto(hypotl)
+# endif
__END_NAMESPACE_C99
#endif
@@ -298,6 +318,9 @@ __MATHCALLI (rint,, (_Mdouble_ __x))
/* Return X + epsilon if X < Y, X - epsilon if X > Y. */
__MATHCALLX (nextafter,, (_Mdouble_ __x, _Mdouble_ __y), (__const__))
+# if defined _LIBC && defined _Mlong_double_
+libm_hidden_proto(nextafterl)
+# endif
# if defined __USE_ISOC99 && !defined __LDBL_COMPAT
__MATHCALLX (nexttoward,, (_Mdouble_ __x, long double __y), (__const__))
# endif
--
cgit v1.2.3
From bfb988452cc66ddf93f69a199c50ea1c14e9ccb7 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Sat, 23 Jun 2012 14:21:17 -0700
Subject: nptl/arm: Move aeabi_read_tp to uclibc_nonshared.a
Otherwise it creates wrong references from shared libs
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
---
libc/sysdeps/linux/arm/Makefile.arch | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
(limited to 'libc/sysdeps')
diff --git a/libc/sysdeps/linux/arm/Makefile.arch b/libc/sysdeps/linux/arm/Makefile.arch
index 3054273df..cda3db206 100644
--- a/libc/sysdeps/linux/arm/Makefile.arch
+++ b/libc/sysdeps/linux/arm/Makefile.arch
@@ -13,7 +13,9 @@ SSRC-y := \
vfork.S clone.S
SSRC-$(UCLIBC_HAS_LFS) += mmap64.S
-SSRC-$(UCLIBC_HAS_THREADS_NATIVE) += libc-aeabi_read_tp.S libc-thumb_atomics.S
+SSRC-$(UCLIBC_HAS_THREADS_NATIVE) += libc-thumb_atomics.S
+libc-nonshared-$(UCLIBC_HAS_THREADS_NATIVE) += $(ARCH_OUT)/libc-aeabi_read_tp.os
+libc-static-$(UCLIBC_HAS_THREADS_NATIVE) += $(ARCH_OUT)/libc-aeabi_read_tp.o
CSRC-$(UCLIBC_HAS_CONTEXT_FUNCS) += makecontext.c
SSRC-$(UCLIBC_HAS_CONTEXT_FUNCS) += getcontext.S setcontext.S swapcontext.S
--
cgit v1.2.3
From 09ff424905d5de0b2a21a3960d9756a90b07ba26 Mon Sep 17 00:00:00 2001
From: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Date: Sun, 22 Mar 2015 14:47:29 +0100
Subject: libc: add getrandom(2)
Introduce a <sys/random.h> for it.
/* FIXME: aren't there a couple of __restrict and const missing ?
*/
extern int getrandom(void *__buf, size_t count, unsigned int flags)
__nonnull ((1)) __wur;
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
---
libc/sysdeps/linux/common/Makefile.in | 1 +
libc/sysdeps/linux/common/bits/kernel-features.h | 5 ++++
libc/sysdeps/linux/common/getrandom.c | 14 ++++++++++
libc/sysdeps/linux/common/stubs.c | 4 +++
libc/sysdeps/linux/common/sys/random.h | 33 ++++++++++++++++++++++++
5 files changed, 57 insertions(+)
create mode 100644 libc/sysdeps/linux/common/getrandom.c
create mode 100644 libc/sysdeps/linux/common/sys/random.h
(limited to 'libc/sysdeps')
diff --git a/libc/sysdeps/linux/common/Makefile.in b/libc/sysdeps/linux/common/Makefile.in
index 8ee956b6b..82525984a 100644
--- a/libc/sysdeps/linux/common/Makefile.in
+++ b/libc/sysdeps/linux/common/Makefile.in
@@ -27,6 +27,7 @@ CSRC-$(UCLIBC_LINUX_SPECIFIC) += \
eventfd.c \
eventfd_read.c \
eventfd_write.c \
+ getrandom.c \
inotify.c \
ioperm.c \
iopl.c \
diff --git a/libc/sysdeps/linux/common/bits/kernel-features.h b/libc/sysdeps/linux/common/bits/kernel-features.h
index 6184c2b9d..708bb4906 100644
--- a/libc/sysdeps/linux/common/bits/kernel-features.h
+++ b/libc/sysdeps/linux/common/bits/kernel-features.h
@@ -507,3 +507,8 @@
#if defined __x86_64__ && __LINUX_KERNEL_VERSION >= 0x030100
# define __ASSUME_GETCPU_SYSCALL 1
#endif
+
+/* getrandom syscall (widely) appeared around 4.0.0 */
+#if __LINUX_KERNEL_VERSION >= 0x040000
+# define __ASSUME_GETRANDOM_SYSCALL 1
+#endif
diff --git a/libc/sysdeps/linux/common/getrandom.c b/libc/sysdeps/linux/common/getrandom.c
new file mode 100644
index 000000000..d33d5224a
--- /dev/null
+++ b/libc/sysdeps/linux/common/getrandom.c
@@ -0,0 +1,14 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * getrandom() for uClibc
+ *
+ * Copyright (C) 2015 Bernhard Reutner-Fischer
+ *
+ * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball.
+ */
+
+#include <sys/syscall.h>
+#include <sys/random.h>
+#ifdef __NR_getrandom
+_syscall3(int, getrandom, void *, buf, size_t, buflen, unsigned int, flags)
+#endif
diff --git a/libc/sysdeps/linux/common/stubs.c b/libc/sysdeps/linux/common/stubs.c
index 2c50307aa..19a33714a 100644
--- a/libc/sysdeps/linux/common/stubs.c
+++ b/libc/sysdeps/linux/common/stubs.c
@@ -157,6 +157,10 @@ make_stub(getpeername)
make_stub(getpgrp)
#endif
+#if !defined __NR_getrandom && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(getrandom)
+#endif
+
#if !defined __NR_getsockname && !defined __NR_socketcall && defined __UCLIBC_HAS_SOCKET__
make_stub(getsockname)
#endif
diff --git a/libc/sysdeps/linux/common/sys/random.h b/libc/sysdeps/linux/common/sys/random.h
new file mode 100644
index 000000000..42f802576
--- /dev/null
+++ b/libc/sysdeps/linux/common/sys/random.h
@@ -0,0 +1,33 @@
+/* Copyright (C) 2015 Bernhard Reutner-Fischer
+ * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball.
+*/
+
+#ifndef _SYS_RANDOM_H
+#define _SYS_RANDOM_H 1
+#include <features.h>
+
+__BEGIN_DECLS
+
+#if defined __UCLIBC_LINUX_SPECIFIC__ && defined __USE_GNU
+# if 0 /*def __ASSUME_GETRANDOM_SYSCALL */
+# include <linux/random.h>
+# else
+# undef GRND_NONBLOCK
+# undef GRND_RANDOM
+/*
+ * Flags for getrandom(2)
+ *
+ * GRND_NONBLOCK Don't block and return EAGAIN instead
+ * GRND_RANDOM Use the /dev/random pool instead of /dev/urandom
+ */
+# define GRND_NONBLOCK 0x0001
+# define GRND_RANDOM 0x0002
+# endif
+/* FIXME: aren't there a couple of __restrict and const missing ? */
+extern int getrandom(void *__buf, size_t count, unsigned int flags)
+ __nonnull ((1)) __wur;
+#endif
+
+__END_DECLS
+
+#endif /* sys/random.h */
--
cgit v1.2.3
From eee76e42f32f90af4e64a254810fcb767297fecf Mon Sep 17 00:00:00 2001
From: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Date: Tue, 24 Mar 2015 00:11:15 +0100
Subject: libc: TIME64_COMPAT32 for sparc, mips
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
---
libc/sysdeps/linux/common/bits/utmp.h | 4 ++--
libc/sysdeps/linux/common/bits/utmpx.h | 2 +-
libc/sysdeps/linux/mips/bits/wordsize.h | 3 +++
libc/sysdeps/linux/powerpc/bits/wordsize.h | 2 +-
libc/sysdeps/linux/sparc/bits/wordsize.h | 1 +
libc/sysdeps/linux/x86_64/bits/wordsize.h | 9 ++++++---
6 files changed, 14 insertions(+), 7 deletions(-)
(limited to 'libc/sysdeps')
diff --git a/libc/sysdeps/linux/common/bits/utmp.h b/libc/sysdeps/linux/common/bits/utmp.h
index c13380ab8..6ece31e34 100644
--- a/libc/sysdeps/linux/common/bits/utmp.h
+++ b/libc/sysdeps/linux/common/bits/utmp.h
@@ -36,7 +36,7 @@
previous logins. */
struct lastlog
{
-#if __WORDSIZE == 64 && defined __WORDSIZE_COMPAT32
+#ifdef __WORDSIZE_TIME64_COMPAT32
int32_t ll_time;
#else
__time_t ll_time;
@@ -69,7 +69,7 @@ struct utmp
/* The ut_session and ut_tv fields must be the same size when compiled
32- and 64-bit. This allows data files and shared memory to be
shared between 32- and 64-bit applications. */
-#if __WORDSIZE == 64 && defined __WORDSIZE_COMPAT32
+#ifdef __WORDSIZE_TIME64_COMPAT32
int32_t ut_session; /* Session ID, used for windowing. */
struct
{
diff --git a/libc/sysdeps/linux/common/bits/utmpx.h b/libc/sysdeps/linux/common/bits/utmpx.h
index 87626f085..815fc90b8 100644
--- a/libc/sysdeps/linux/common/bits/utmpx.h
+++ b/libc/sysdeps/linux/common/bits/utmpx.h
@@ -66,7 +66,7 @@ struct utmpx
/* The fields ut_session and ut_tv must be the same size when compiled
32- and 64-bit. This allows files and shared memory to be shared
between 32- and 64-bit applications. */
-#if __WORDSIZE == 64 && defined __WORDSIZE_COMPAT32
+#ifdef __WORDSIZE_TIME64_COMPAT32
__int32_t ut_session; /* Session ID, used for windowing. */
struct
{
diff --git a/libc/sysdeps/linux/mips/bits/wordsize.h b/libc/sysdeps/linux/mips/bits/wordsize.h
index 39e15062c..fe130806c 100644
--- a/libc/sysdeps/linux/mips/bits/wordsize.h
+++ b/libc/sysdeps/linux/mips/bits/wordsize.h
@@ -16,3 +16,6 @@
<http://www.gnu.org/licenses/>. */
#define __WORDSIZE _MIPS_SZPTR
+#if _MIPS_SIM == _ABI64
+# define __WORDSIZE_TIME64_COMPAT32 1
+#endif
diff --git a/libc/sysdeps/linux/powerpc/bits/wordsize.h b/libc/sysdeps/linux/powerpc/bits/wordsize.h
index cf934234f..3e8a1e0a1 100644
--- a/libc/sysdeps/linux/powerpc/bits/wordsize.h
+++ b/libc/sysdeps/linux/powerpc/bits/wordsize.h
@@ -2,7 +2,7 @@
#if defined __powerpc64__
# define __WORDSIZE 64
-# define __WORDSIZE_COMPAT32 1
+# define __WORDSIZE_TIME64_COMPAT32 1
#else
# define __WORDSIZE 32
#endif
diff --git a/libc/sysdeps/linux/sparc/bits/wordsize.h b/libc/sysdeps/linux/sparc/bits/wordsize.h
index c0e600ed5..aa15dbc7a 100644
--- a/libc/sysdeps/linux/sparc/bits/wordsize.h
+++ b/libc/sysdeps/linux/sparc/bits/wordsize.h
@@ -2,6 +2,7 @@
#if defined __arch64__ || defined __sparcv9
# define __WORDSIZE 64
+# define __WORDSIZE_TIME64_COMPAT32 1
#else
# define __WORDSIZE 32
#endif
diff --git a/libc/sysdeps/linux/x86_64/bits/wordsize.h b/libc/sysdeps/linux/x86_64/bits/wordsize.h
index e55524100..9db982c90 100644
--- a/libc/sysdeps/linux/x86_64/bits/wordsize.h
+++ b/libc/sysdeps/linux/x86_64/bits/wordsize.h
@@ -1,9 +1,12 @@
/* Determine the wordsize from the preprocessor defines. */
-#if defined __x86_64__
+#if defined __x86_64__ && !defined __ILP32__
# define __WORDSIZE 64
-/* This makes /var/run/utmp compatible with 32-bit environment: */
-# define __WORDSIZE_COMPAT32 1
#else
# define __WORDSIZE 32
#endif
+
+#ifdef __x86_64__
+/* This makes /var/run/utmp compatible with 32-bit environment: */
+# define __WORDSIZE_TIME64_COMPAT32 1
+#endif
--
cgit v1.2.3
From 40effcf4c1e9a2fb9169d9189bdc9b1c888f9345 Mon Sep 17 00:00:00 2001
From: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Date: Tue, 24 Mar 2015 00:11:49 +0100
Subject: mips: switch float_t to float
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
---
libc/sysdeps/linux/mips/bits/mathdef.h | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
(limited to 'libc/sysdeps')
diff --git a/libc/sysdeps/linux/mips/bits/mathdef.h b/libc/sysdeps/linux/mips/bits/mathdef.h
index 1c636a199..6afe20d8a 100644
--- a/libc/sysdeps/linux/mips/bits/mathdef.h
+++ b/libc/sysdeps/linux/mips/bits/mathdef.h
@@ -25,10 +25,9 @@
#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
# define _MATH_H_MATHDEF 1
-/* Normally, there is no long double type and the `float' and `double'
- expressions are evaluated as `double'. */
-typedef double float_t; /* `float' expressions are evaluated as
- `double'. */
+/* MIPS has both `float' and `double' arithmetic. */
+typedef float float_t; /* `float' expressions are evaluated as
+ `float'. */
typedef double double_t; /* `double' expressions are evaluated as
`double'. */
--
cgit v1.2.3
From 6ff9c31abc14f207265ab214370982ecb3bfe428 Mon Sep 17 00:00:00 2001
From: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Date: Wed, 25 Mar 2015 23:59:45 +0100
Subject: utmp: favour POSIX utmpx over SVID utmp
Note: _PATH_UTMPX == _PATH_UTMP and the utmp struct is identical to the
utmpx struct so this only changes the external API entrypoints and NOT
the underlying data source.
This saves about 500b (~1300b from previously ~1950) while at it.
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
---
libc/sysdeps/linux/sh/bits/atomic.h | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
(limited to 'libc/sysdeps')
diff --git a/libc/sysdeps/linux/sh/bits/atomic.h b/libc/sysdeps/linux/sh/bits/atomic.h
index 745c85c1d..18ae9ea77 100644
--- a/libc/sysdeps/linux/sh/bits/atomic.h
+++ b/libc/sysdeps/linux/sh/bits/atomic.h
@@ -68,6 +68,12 @@ typedef uintmax_t uatomic_max_t;
r1: saved stack pointer
*/
+#if __GNUC_PREREQ (4, 7)
+# define rNOSP "u"
+#else
+# define rNOSP "r"
+#endif
+
/* Avoid having lots of different versions of compare and exchange,
by having this one complicated version. Parameters:
bwl: b, w or l for 8, 16 and 32 bit versions.
@@ -94,7 +100,7 @@ typedef uintmax_t uatomic_max_t;
movt %0\n\
.endif\n" \
: "=&r" (__arch_result) \
- : "r" (mem), "r" (newval), "r" (oldval) \
+ : rNOSP (mem), rNOSP (newval), rNOSP (oldval) \
: "r0", "r1", "t", "memory"); \
__arch_result; })
@@ -150,7 +156,7 @@ typedef uintmax_t uatomic_max_t;
mov." #bwl " %1,@%2\n\
1: mov r1,r15" \
: "=&r" (old), "=&r"(new) \
- : "r" (mem), "r" (value) \
+ : rNOSP (mem), rNOSP (value) \
: "r0", "r1", "memory"); \
})
@@ -194,7 +200,7 @@ typedef uintmax_t uatomic_max_t;
mov." #bwl " %0,@%1\n\
1: mov r1,r15" \
: "=&r" (__new) \
- : "r" (mem), "r" (__value) \
+ : rNOSP (mem), rNOSP (__value) \
: "r0", "r1", "memory"); \
__new; \
})
--
cgit v1.2.3
From fc673e14203e1c9aea353d99ff89a17d46b2ad93 Mon Sep 17 00:00:00 2001
From: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Date: Thu, 26 Mar 2015 00:03:05 +0100
Subject: SH: add 't' to syscall clobber list
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
---
libc/sysdeps/linux/sh/bits/syscalls.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'libc/sysdeps')
diff --git a/libc/sysdeps/linux/sh/bits/syscalls.h b/libc/sysdeps/linux/sh/bits/syscalls.h
index b308276c5..efd423ed3 100644
--- a/libc/sysdeps/linux/sh/bits/syscalls.h
+++ b/libc/sysdeps/linux/sh/bits/syscalls.h
@@ -122,7 +122,7 @@
__asm__ __volatile__ (SYSCALL_INST_STR##nr SYSCALL_INST_PAD \
: "=z" (resultvar) \
: "r" (r3) ASMFMT_##nr \
- : "memory" \
+ : "memory", "t" \
); \
(int) resultvar; \
}) \
--
cgit v1.2.3
From d3c60fc490d714d7610a91555cec67952409b189 Mon Sep 17 00:00:00 2001
From: Vineet Gupta <vgupta@synopsys.com>
Date: Thu, 26 Mar 2015 18:07:04 +0530
Subject: ARC/signal: shield sa_restorer from compiler toggle side-effects
when building uClibc with -O0 (DODEBUG build) the default sigrestorer
had some extra glue code generated for stack manipulation which was
messing up resume from signal path.
So annotate the function with -Os so that gcc would only generate the
bare min 2 instruction TRAP sequence
Reported-and-Debugged-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
---
libc/sysdeps/linux/arc/sigaction.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
(limited to 'libc/sysdeps')
diff --git a/libc/sysdeps/linux/arc/sigaction.c b/libc/sysdeps/linux/arc/sigaction.c
index 4a4c9e2d0..67ca38aca 100644
--- a/libc/sysdeps/linux/arc/sigaction.c
+++ b/libc/sysdeps/linux/arc/sigaction.c
@@ -13,7 +13,8 @@
/*
* Default sigretrun stub if user doesn't specify SA_RESTORER
*/
-static void __default_rt_sa_restorer(void)
+static void attribute_optimize("Os") __attribute_noinline__
+__default_rt_sa_restorer(void)
{
INTERNAL_SYSCALL_NCS(__NR_rt_sigreturn, , 0);
}
--
cgit v1.2.3
From 24946289317ea23bb0d1814cca0a499a905f7d6f Mon Sep 17 00:00:00 2001
From: Alexey Brodkin <abrodkin@synopsys.com>
Date: Thu, 26 Mar 2015 14:25:37 +0530
Subject: ARC: don't hard-code ELF_NGREG
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
[updated changelog]
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
---
libc/sysdeps/linux/arc/sys/procfs.h | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
(limited to 'libc/sysdeps')
diff --git a/libc/sysdeps/linux/arc/sys/procfs.h b/libc/sysdeps/linux/arc/sys/procfs.h
index a9e375b33..a47430340 100755
--- a/libc/sysdeps/linux/arc/sys/procfs.h
+++ b/libc/sysdeps/linux/arc/sys/procfs.h
@@ -20,17 +20,14 @@
#include <sys/time.h>
#include <sys/types.h>
#include <sys/user.h>
+#include <asm/ptrace.h>
__BEGIN_DECLS
/* Type for a general-purpose register. */
typedef unsigned long elf_greg_t;
-/* And the whole bunch of them. We could have used `struct
- user_regs' directly in the typedef, but tradition says that
- the register set is an array, which does have some peculiar
- semantics, so leave it that way. */
-#define ELF_NGREG 40
+#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
typedef struct { } elf_fpregset_t;
--
cgit v1.2.3