From: Yury Norov <ynorov@caviumnetworks.com>
To: <arnd@arndb.de>, <catalin.marinas@arm.com>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>
Cc: <pinskia@gmail.com>, <ddaney.cavm@gmail.com>,
<jan.dakinevich@gmail.com>, <Prasun.Kapoor@caviumnetworks.com>,
<christoph.muellner@theobroma-systems.com>,
<philipp.tomsich@theobroma-systems.com>, <broonie@kernel.org>,
<andrey.konovalov@linaro.org>, <Nathan_Lynch@mentor.com>,
<agraf@suse.de>, <bamvor.zhangjian@huawei.com>,
<klimov.linux@gmail.com>, <joseph@codesourcery.com>,
<schwab@suse.de>, Yury Norov <ynorov@caviumnetworks.com>
Subject: [PATCH v6 06/19] arm64:ilp32: share signal structures between ILP32 and LP64 ABIs
Date: Wed, 18 Nov 2015 00:16:46 +0300 [thread overview]
Message-ID: <1447795019-30176-7-git-send-email-ynorov@caviumnetworks.com> (raw)
In-Reply-To: <1447795019-30176-1-git-send-email-ynorov@caviumnetworks.com>
From: Andrew Pinski <apinski@cavium.com>
Defines the macros which allow the signal structures to be the same between
ILP32 and LP64.
Reviewed-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
Signed-off-by: Yury Norov <ynorov@caviumnetworks.com>
Signed-off-by: Andrew Pinski <Andrew.Pinski@caviumnetworks.com>
---
arch/arm64/include/uapi/asm/siginfo.h | 21 +++++++++++++++++++++
arch/arm64/include/uapi/asm/signal.h | 31 +++++++++++++++++++++++++++++++
include/uapi/asm-generic/siginfo.h | 17 +++++++++++++----
include/uapi/asm-generic/signal.h | 27 +++++++++++++++++++++++----
4 files changed, 88 insertions(+), 8 deletions(-)
diff --git a/arch/arm64/include/uapi/asm/siginfo.h b/arch/arm64/include/uapi/asm/siginfo.h
index 5a74a08..d9ac7d4 100644
--- a/arch/arm64/include/uapi/asm/siginfo.h
+++ b/arch/arm64/include/uapi/asm/siginfo.h
@@ -1,5 +1,6 @@
/*
* Copyright (C) 2012 ARM Ltd.
+ * Copyright (C) 2015 Cavium Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -18,6 +19,26 @@
#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
+#ifdef __ILP32__
+# ifdef __AARCH64EB__
+# define __SIGINFO_INNER(type, field) \
+ int __pad#field; \
+ type field
+# else
+# define __SIGINFO_INNER(type, field) \
+ type field; \
+ int __pad#field
+# endif
+
+# undef __SIGINFO_VOIDPOINTER
+# define __SIGINFO_VOIDPOINTER(field) \
+ __SIGINFO_INNER(void __user*, field)
+# undef __SIGINFO_BAND
+
+# define __SIGINFO_BAND(field) \
+ __SIGINFO_INNER(long, field)
+#endif
+
#include <asm-generic/siginfo.h>
#endif
diff --git a/arch/arm64/include/uapi/asm/signal.h b/arch/arm64/include/uapi/asm/signal.h
index 991bf5d..5053af4 100644
--- a/arch/arm64/include/uapi/asm/signal.h
+++ b/arch/arm64/include/uapi/asm/signal.h
@@ -22,6 +22,37 @@
#define MINSIGSTKSZ 5120
#define SIGSTKSZ 16384
+/* For ILP32, sigset should be the same size fields as LP64 so use
+ unsigned long long. */
+#ifdef __ILP32__
+#define __SIGSET_INNER_TYPE __extension__ unsigned long long
+#define _NSIG_BPW 64
+
+# ifdef __AARCH64EB__
+# define __SIGNAL_INNER(type, field) \
+ __extension__ struct { \
+ int __pad_##field; \
+ type field; \
+ } __attribute__((aligned(8)))
+# else
+# define __SIGNAL_INNER(type, field) \
+ __extension__ struct { \
+ type field; \
+ int __pad_##field; \
+ } __attribute__((aligned(8)))
+# endif
+
+# define __SIGACTION_HANDLER(field) \
+ __SIGNAL_INNER(__sighandler_t, field)
+
+#define __SIGACTION_FLAGS(field) \
+ __extension__ unsigned long long field
+
+#define __SIGACTION_RESTORER(field) \
+ __SIGNAL_INNER(__sigrestore_t, field)
+
+#endif
+
#include <asm-generic/signal.h>
#endif
diff --git a/include/uapi/asm-generic/siginfo.h b/include/uapi/asm-generic/siginfo.h
index 1e35520..be640a9 100644
--- a/include/uapi/asm-generic/siginfo.h
+++ b/include/uapi/asm-generic/siginfo.h
@@ -4,9 +4,17 @@
#include <linux/compiler.h>
#include <linux/types.h>
+#ifndef __SIGINFO_VOIDPOINTER
+#define __SIGINFO_VOIDPOINTER(field) void __user *field
+#endif
+
+#ifndef __SIGINFO_BAND
+#define __SIGINFO_BAND(field) __ARCH_SI_BAND_T field
+#endif
+
typedef union sigval {
int sival_int;
- void __user *sival_ptr;
+ __SIGINFO_VOIDPOINTER(sival_ptr);
} sigval_t;
/*
@@ -86,7 +94,7 @@ typedef struct siginfo {
/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
struct {
- void __user *_addr; /* faulting insn/memory ref. */
+ __SIGINFO_VOIDPOINTER(_addr); /* faulting insn/memory ref. */
#ifdef __ARCH_SI_TRAPNO
int _trapno; /* TRAP # which caused the signal */
#endif
@@ -99,13 +107,13 @@ typedef struct siginfo {
/* SIGPOLL */
struct {
- __ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */
+ __SIGINFO_BAND(_band); /* POLL_IN, POLL_OUT, POLL_MSG */
int _fd;
} _sigpoll;
/* SIGSYS */
struct {
- void __user *_call_addr; /* calling user insn */
+ __SIGINFO_VOIDPOINTER(_call_addr); /* calling user insn */
int _syscall; /* triggering system call number */
unsigned int _arch; /* AUDIT_ARCH_* of syscall */
} _sigsys;
@@ -290,6 +298,7 @@ typedef struct sigevent {
int _pad[SIGEV_PAD_SIZE];
int _tid;
+ /* Note these two are handled only in userspace */
struct {
void (*_function)(sigval_t);
void *_attribute; /* really pthread_attr_t */
diff --git a/include/uapi/asm-generic/signal.h b/include/uapi/asm-generic/signal.h
index 3094618..92d8ce3 100644
--- a/include/uapi/asm-generic/signal.h
+++ b/include/uapi/asm-generic/signal.h
@@ -4,7 +4,9 @@
#include <linux/types.h>
#define _NSIG 64
+#ifndef _NSIG_BPW
#define _NSIG_BPW __BITS_PER_LONG
+#endif
#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
#define SIGHUP 1
@@ -85,9 +87,13 @@
#define SIGSTKSZ 8192
#endif
+#ifndef __SIGSET_INNER_TYPE
+#define __SIGSET_INNER_TYPE unsigned long
+#endif
+
#ifndef __ASSEMBLY__
typedef struct {
- unsigned long sig[_NSIG_WORDS];
+ __SIGSET_INNER_TYPE sig[_NSIG_WORDS];
} sigset_t;
/* not actually used, but required for linux/syscalls.h */
@@ -100,11 +106,24 @@ typedef unsigned long old_sigset_t;
#endif
#ifndef __KERNEL__
+
+#ifndef __SIGACTION_HANDLER
+#define __SIGACTION_HANDLER(field) __sighandler_t field
+#endif
+
+#ifndef __SIGACTION_FLAGS
+#define __SIGACTION_FLAGS(field) unsigned long field
+#endif
+
+#ifndef __SIGACTION_RESTORER
+#define __SIGACTION_RESTORER(field) __sigrestore_t field
+#endif
+
struct sigaction {
- __sighandler_t sa_handler;
- unsigned long sa_flags;
+ __SIGACTION_HANDLER(sa_handler);
+ __SIGACTION_FLAGS(sa_flags);
#ifdef SA_RESTORER
- __sigrestore_t sa_restorer;
+ __SIGACTION_RESTORER(sa_restorer);
#endif
sigset_t sa_mask; /* mask last for extensibility */
};
--
2.1.4
next prev parent reply other threads:[~2015-11-17 21:18 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-17 21:16 [RFC2 PATCH v6 00/19] ILP32 for ARM64 Yury Norov
2015-11-17 21:16 ` [PATCH v6 01/19] arm64:ilp32: add documentation on the ILP32 ABI " Yury Norov
2015-11-18 8:09 ` Zhangjian (Bamvor)
2015-11-17 21:16 ` [PATCH v6 02/19] arm64: ensure the kernel is compiled for LP64 Yury Norov
2015-11-17 21:16 ` [PATCH v6 03/19] arm64: rename COMPAT to AARCH32_EL0 in Kconfig Yury Norov
2015-11-17 21:16 ` [PATCH v6 04/19] arm64: change some CONFIG_COMPAT over to use CONFIG_AARCH32_EL0 instead Yury Norov
2015-12-03 12:02 ` Catalin Marinas
2015-12-04 21:58 ` Yury Norov
2015-11-17 21:16 ` [PATCH v6 05/19] arm64:uapi: set __BITS_PER_LONG correctly for ILP32 and LP64 Yury Norov
2015-12-03 11:31 ` Catalin Marinas
2015-12-03 11:36 ` Dr. Philipp Tomsich
2015-11-17 21:16 ` Yury Norov [this message]
2015-11-17 22:14 ` [PATCH v6 06/19] arm64:ilp32: share signal structures between ILP32 and LP64 ABIs Arnd Bergmann
2015-11-17 21:16 ` [PATCH v6 07/19] arm64: introduce is_a32_task and is_a32_thread (for AArch32 compat) Yury Norov
2015-12-03 12:13 ` Catalin Marinas
2015-12-04 17:05 ` Yury Norov
2015-12-05 11:00 ` Catalin Marinas
2015-11-17 21:16 ` [PATCH v6 08/19] arm64:ilp32: add is_ilp32_compat_{task,thread} and TIF_32BIT_AARCH64 Yury Norov
2015-11-17 21:16 ` [PATCH v6 09/19] arm64:ilp32: share HWCAP between LP64 and ILP32 Yury Norov
2015-11-17 21:16 ` [PATCH v6 10/19] arm64:ilp32 use the native LP64 'start_thread' for ILP32 threads Yury Norov
2015-12-03 12:20 ` Catalin Marinas
2015-11-17 21:16 ` [PATCH v6 11/19] arm64:ilp32: support core dump generation for ILP32 Yury Norov
2015-12-03 16:39 ` Catalin Marinas
2015-11-17 21:16 ` [PATCH v6 12/19] ptrace: Allow compat to use the native siginfo Yury Norov
2015-11-17 21:16 ` [PATCH v6 13/19] arm64: ilp32: common 32-bit wrappers Yury Norov
2015-11-17 21:16 ` [PATCH v6 14/19] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Yury Norov
2015-11-17 21:57 ` Arnd Bergmann
2015-11-18 8:14 ` Arnd Bergmann
2015-11-19 13:21 ` Andreas Schwab
2015-11-19 13:32 ` Arnd Bergmann
2015-11-30 15:34 ` Arnd Bergmann
2015-11-30 20:21 ` Yury Norov
2015-11-30 21:49 ` Arnd Bergmann
2015-12-01 0:20 ` Andrew Pinski
2015-12-01 0:40 ` Yury Norov
2015-12-01 10:26 ` Arnd Bergmann
2015-12-01 9:20 ` Andreas Schwab
2015-12-01 10:22 ` Arnd Bergmann
2015-12-01 11:01 ` Andreas Schwab
2015-12-01 11:30 ` Arnd Bergmann
2015-12-02 0:24 ` Yury Norov
2015-12-02 10:03 ` Arnd Bergmann
2015-12-03 17:17 ` Catalin Marinas
2015-12-01 21:29 ` Yury Norov
2015-12-01 22:39 ` Arnd Bergmann
2015-12-01 23:35 ` Yury Norov
2015-12-02 8:37 ` Arnd Bergmann
2015-12-02 9:15 ` Yury Norov
2015-12-02 10:35 ` Yury Norov
2015-12-02 13:46 ` Arnd Bergmann
2015-12-02 13:54 ` Arnd Bergmann
2015-12-02 13:57 ` Will Deacon
2015-12-03 17:47 ` Catalin Marinas
2015-12-03 18:14 ` Yury Norov
2015-12-03 20:42 ` Arnd Bergmann
2015-12-02 10:01 ` Yury Norov
2015-12-02 11:03 ` Arnd Bergmann
2015-11-17 21:16 ` [PATCH v6 15/19] arm64: ilp32: force IPC_64 in msgctl, shmctl, semctl Yury Norov
2015-11-17 22:07 ` Arnd Bergmann
2015-11-18 8:25 ` Andreas Schwab
2015-11-18 9:23 ` Arnd Bergmann
2015-11-18 10:07 ` Geert Uytterhoeven
2015-11-18 12:04 ` Arnd Bergmann
2015-11-17 21:16 ` [PATCH v6 16/19] aarch64: ilp32: use generic stat64 structure Yury Norov
2015-11-17 22:09 ` Arnd Bergmann
2015-11-18 20:36 ` Yury Norov
2015-11-18 20:45 ` Arnd Bergmann
2015-11-17 21:16 ` [PATCH v6 17/19] arm64:ilp32: use the native siginfo instead of the compat siginfo Yury Norov
2015-11-17 21:16 ` [PATCH v6 18/19] arm64:ilp32: change COMPAT_ELF_PLATFORM to report a a subplatform for ILP32 Yury Norov
2015-11-18 8:11 ` Zhangjian (Bamvor)
2015-11-18 11:21 ` pinskia
2015-11-18 20:25 ` Yury Norov
2015-11-18 21:47 ` Dr. Philipp Tomsich
2015-11-17 21:16 ` [PATCH v6 19/19] arm64:ilp32: add ARM64_ILP32 to Kconfig Yury Norov
2015-11-18 8:00 ` [RFC2 PATCH v6 00/19] ILP32 for ARM64 Zhangjian (Bamvor)
2015-11-23 16:49 ` Andreas Schwab
2015-12-03 17:59 ` Catalin Marinas
2015-12-04 15:35 ` Yury Norov
2015-12-04 17:18 ` Catalin Marinas
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