Merge "Implement libportable for unknown arch 64bit."

This commit is contained in:
Andrew Hsieh
2014-04-10 02:42:31 +00:00
committed by Gerrit Code Review
16 changed files with 1082 additions and 56 deletions

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@@ -31,63 +31,13 @@ LOCAL_C_INCLUDES := $(LOCAL_PATH)/common/include
# Uncomment the next line to easily enable Lib-Portable logging during development.
# LOCAL_CFLAGS += -DLOG_NDEBUG=0
ifeq ($(TARGET_ARCH),mips)
libportable_arch_src_files += \
arch-mips/clone.c \
arch-mips/epoll.c \
arch-mips/errno.c \
arch-mips/eventfd.c \
arch-mips/fcntl.c \
arch-mips/filefd.c \
arch-mips/flags.c \
arch-mips/inotify.c \
arch-mips/ioctl.c \
arch-mips/mmap.c \
arch-mips/open.c \
arch-mips/poll.c \
arch-mips/pipe.c \
arch-mips/pthread.c \
arch-mips/resource.c \
arch-mips/signal.c \
arch-mips/socket.c \
arch-mips/sockopt.c \
arch-mips/stat.c \
arch-mips/statfs.c \
arch-mips/syscall.c \
arch-mips/timer.c \
arch-mips/timerfd.c \
arch-mips/waitpid.c \
arch-mips/fenv.c \
arch-mips/md_swap.c
libportable_arch_src_files += \
arch-mips/_setjmp.S \
arch-mips/setjmp.S \
arch-mips/sigsetjmp.S
endif
ifeq ($(TARGET_ARCH),arm)
libportable_arch_src_files += \
arch-arm/unwind.c \
arch-arm/fenv.c \
arch-arm/md_swap.c
endif
ifeq ($(TARGET_ARCH),x86)
libportable_arch_src_files += \
arch-x86/epoll.c \
arch-x86/fcntl.c \
arch-x86/ioctl.c \
arch-x86/open.c \
arch-x86/stat.c \
arch-x86/fenv.c \
arch-x86/md_swap.c
endif
libportable_src_files = \
$(patsubst $(LOCAL_PATH)/%,%,$(wildcard $(LOCAL_PATH)/arch-$(TARGET_ARCH)/*.c)) \
$(patsubst $(LOCAL_PATH)/%,%,$(wildcard $(LOCAL_PATH)/arch-$(TARGET_ARCH)/*.S))
$(info $(libportable_src_files))
LOCAL_SRC_FILES := \
$(libportable_common_src_files) \
$(libportable_arch_src_files)
$(libportable_src_files)
LOCAL_WHOLE_STATIC_LIBRARIES += cpufeatures

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@@ -0,0 +1,18 @@
/*
* Copyright 2012, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <portability.h>
#include <vfs_portable.h>

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@@ -0,0 +1,160 @@
/*
* Copyright 2013, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <portability.h>
#include <sys/types.h>
#include <fenv.h>
#include <fenv_portable.h>
static inline int mips64_change_except(int flags) {
int mips64flags = 0;
int exception = flags & FE_ALL_EXCEPT_PORTABLE;
// exception flags
if (exception & FE_INVALID_PORTABLE)
mips64flags |= FE_INVALID;
if (exception & FE_DIVBYZERO_PORTABLE)
mips64flags |= FE_DIVBYZERO;
if (exception & FE_OVERFLOW_PORTABLE)
mips64flags |= FE_OVERFLOW;
if (exception & FE_UNDERFLOW_PORTABLE)
mips64flags |= FE_UNDERFLOW;
if (exception & FE_INEXACT_PORTABLE)
mips64flags |= FE_INEXACT;
return mips64flags;
}
static inline int mips64_change_rounding(int flags) {
int mips64flags = 0;
int rounding = flags & 0x03;
// rounding flags
switch(rounding)
{
case FE_TONEAREST_PORTABLE:
mips64flags = FE_TONEAREST;
break;
case FE_DOWNWARD_PORTABLE:
mips64flags = FE_DOWNWARD;
break;
case FE_UPWARD_PORTABLE:
mips64flags = FE_UPWARD;
break;
case FE_TOWARDZERO_PORTABLE:
mips64flags = FE_TOWARDZERO;
break;
}
return mips64flags;
}
static inline int mips64_get_except(int mips64flags) {
int flags = 0;
int exception = mips64flags & FE_ALL_EXCEPT;
// exception flags
if (exception & FE_INVALID)
flags |= FE_INVALID_PORTABLE;
if (exception & FE_DIVBYZERO)
flags |= FE_DIVBYZERO_PORTABLE;
if (exception & FE_OVERFLOW)
flags |= FE_OVERFLOW_PORTABLE;
if (exception & FE_UNDERFLOW)
flags |= FE_UNDERFLOW_PORTABLE;
if (exception & FE_INEXACT)
flags |= FE_INEXACT_PORTABLE;
return flags;
}
static inline int mips64_get_rounding(int mips64flags) {
int flags = 0;
int rounding = mips64flags & _FCSR_RMASK;
// rounding flags
switch(rounding)
{
case FE_TONEAREST:
flags = FE_TONEAREST_PORTABLE;
break;
case FE_DOWNWARD:
flags = FE_DOWNWARD_PORTABLE;
break;
case FE_UPWARD:
flags = FE_UPWARD_PORTABLE;
break;
case FE_TOWARDZERO:
flags = FE_TOWARDZERO_PORTABLE;
break;
}
return flags;
}
int WRAP(feclearexcept)(int flag) {
return REAL(feclearexcept)(mips64_change_except(flag));
}
int WRAP(fegetexceptflag)(fexcept_t_portable *obj, int flag) {
int ret = REAL(fegetexceptflag)((fexcept_t*)obj, mips64_change_except(flag));
*obj = (fexcept_t_portable) mips64_get_except(*obj);
return ret;
}
int WRAP(feraiseexcept)(int flag) {
return REAL(feraiseexcept)(mips64_change_except(flag));
}
int WRAP(fesetexceptflag)(const fexcept_t_portable *obj, int flag) {
const fexcept_t mips64obj = mips64_change_except(*obj);
int mips64flag = mips64_change_except(flag);
return REAL(fesetexceptflag)(&mips64obj, mips64flag);
}
int WRAP(fetestexcept)(int flag) {
int ret = REAL(fetestexcept)(mips64_change_except(flag));
return mips64_get_except(ret);
}
int WRAP(fegetround)(void) {
int round = REAL(fegetround)();
return mips64_get_rounding(round);
}
int WRAP(fesetround)(int round) {
return REAL(fesetround)(mips64_change_rounding(round));
}
int WRAP(fegetenv)(fenv_t_portable *obj) {
return REAL(fegetenv)((fenv_t*)obj);
}
int WRAP(feholdexcept)(fenv_t_portable *obj) {
return REAL(feholdexcept)((fenv_t*)obj);
}
int WRAP(fesetenv)(const fenv_t_portable *obj) {
return REAL(fesetenv)((const fenv_t*)obj);
}
int WRAP(feupdateenv)(const fenv_t_portable *obj) {
return REAL(feupdateenv)((const fenv_t*)obj);
}
int WRAP(fegetexcept)(void) {
int flag = REAL(fegetexcept)();
return mips64_get_except(flag);
}

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@@ -0,0 +1,261 @@
/*
* Copyright 2012, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <portability.h>
#include <unistd.h>
#include <sys/socket.h>
#include <fcntl.h>
#include <netdb.h>
#include <socket_portable.h>
#include <fcntl_portable.h>
#include <netdb_portable.h>
#include <portability.h>
#define PORTABLE_TAG "socket_portable"
#include <log_portable.h>
#if SOCK_STREAM==SOCK_STREAM_PORTABLE
#error Bad build environment
#endif
/* LTP defaults to using O_NONBLOCK if SOCK_NONBLOCK is not defined. */
#ifndef SOCK_NONBLOCK_PORTABLE
# define SOCK_NONBLOCK_PORTABLE O_NONBLOCK_PORTABLE
#endif
#ifndef SOCK_NONBLOCK
# define SOCK_NONBLOCK O_NONBLOCK
#endif
/* Current NDK headers do not define SOCK_CLOEXEC or O_CLOEXEC */
#if !defined(SOCK_CLOEXEC_PORTABLE) && defined(O_CLOEXEC_PORTABLE)
# define SOCK_CLOEXEC_PORTABLE O_CLOEXEC_PORTABLE
#endif
#if !defined(SOCK_CLOEXEC) && defined(O_CLOEXEC)
# define SOCK_CLOEXEC O_CLOEXEC
#endif
/*
* Portable to Native socktype mapper.
*/
static inline int socktype_pton(int portable_type)
{
int native_type = 0;
ALOGV("%s(portable_type:0x%x) {", __func__, portable_type);
if (portable_type & SOCK_NONBLOCK_PORTABLE) {
native_type |= SOCK_NONBLOCK;
portable_type &= ~SOCK_NONBLOCK_PORTABLE;
}
#if defined(SOCK_CLOEXEC_PORTABLE) && defined(SOCK_CLOEXEC)
if (portable_type & SOCK_CLOEXEC_PORTABLE) {
native_type |= SOCK_CLOEXEC;
portable_type &= ~SOCK_CLOEXEC_PORTABLE;
}
#endif
switch (portable_type) {
case SOCK_STREAM_PORTABLE: native_type |= SOCK_STREAM; break;
case SOCK_DGRAM_PORTABLE: native_type |= SOCK_DGRAM; break;
case SOCK_RAW_PORTABLE: native_type |= SOCK_RAW; break;
case SOCK_RDM_PORTABLE: native_type |= SOCK_RDM; break;
case SOCK_SEQPACKET_PORTABLE: native_type |= SOCK_SEQPACKET; break;
case SOCK_PACKET_PORTABLE: native_type |= SOCK_PACKET; break;
default:
ALOGE("%s: case default: native_type:0x%x |= portable_type:0x%x:[UNKNOWN!];", __func__,
native_type, portable_type);
native_type |= portable_type;
break;
}
ALOGV("%s: return(native_type:%d); }", __func__, native_type);
return native_type;
}
/*
* Native to Portable socktype mapper.
*/
static inline int socktype_ntop(int native_type)
{
int portable_type = 0;
ALOGV("%s(native_type:0x%x) {", __func__, native_type);
if (native_type & SOCK_NONBLOCK) {
portable_type |= SOCK_NONBLOCK_PORTABLE;
native_type &= ~SOCK_NONBLOCK;
}
#if defined(SOCK_CLOEXEC_PORTABLE) && defined(SOCK_CLOEXEC)
if (native_type & SOCK_CLOEXEC) {
portable_type |= SOCK_CLOEXEC_PORTABLE;
native_type &= ~SOCK_CLOEXEC;
}
#endif
switch (native_type) {
case SOCK_STREAM: portable_type |= SOCK_STREAM_PORTABLE; break;
case SOCK_DGRAM: portable_type |= SOCK_DGRAM_PORTABLE; break;
case SOCK_RAW: portable_type |= SOCK_RAW_PORTABLE; break;
case SOCK_RDM: portable_type |= SOCK_RDM_PORTABLE; break;
case SOCK_SEQPACKET: portable_type |= SOCK_SEQPACKET_PORTABLE; break;
case SOCK_PACKET: portable_type |= SOCK_PACKET_PORTABLE; break;
default:
portable_type |= native_type;
ALOGE("%s: case default: portable_type:0x%x |= native_type:0x%x:[UNKNOWN!];", __func__,
portable_type, native_type);
}
ALOGV("%s: return(portable_type:%d); }", __func__, portable_type);
return portable_type;
}
extern int REAL(socket)(int, int, int);
int WRAP(socket)(int domain, int type, int protocol) {
int rv;
ALOGV(" ");
ALOGV("%s(domain:%d, type:%d, protocol:%d) {", __func__,
domain, type, protocol);
rv = REAL(socket)(domain, socktype_pton(type), protocol);
ALOGV("%s: return(rv:%d); }", __func__, rv);
return rv;
}
int WRAP(socketpair)(int domain, int type, int protocol, int sv[2]) {
int rv;
ALOGV(" ");
ALOGV("%s(domain:%d, type:%d, protocol:%d, sv[2]:%p) {", __func__,
domain, type, protocol, sv);
rv = REAL(socketpair)(domain, socktype_pton(type), protocol, sv);
if ((rv != 0) || invalid_pointer(sv)) {
ALOGV("%s: return(rv:%d); }", __func__,
rv);
} else {
ALOGV("%s: return(rv:%d); sv[0]:%d; sv[1]:%d;}", __func__,
rv, sv[0], sv[1]);
}
return rv;
}
#define PRINT_ADDRINFO(p) { \
ALOGV("%s: p:%p->{ai_flags:%d, ai_family:%d, ai_socktype:%d, ai_protocol:%d, ...", __func__, \
p, p->ai_flags, p->ai_family, p->ai_socktype, p->ai_protocol); \
\
ALOGV("%s: p:%p->{... ai_addrlen:%d, ai_addr:%p, ai_canonname:%p, p->ai_next:%p);", __func__,\
p, p->ai_addrlen, p->ai_addr, p->ai_canonname, p->ai_next); \
}
/*
* Returns a list of portable addrinfo structures that are
* later made free with a call to the portable version of
* freeaddrinfo(); which is written below this function.
*/
int WRAP(getaddrinfo)(const char *node, const char *service,
struct addrinfo_portable *portable_hints,
struct addrinfo_portable **portable_results)
{
int rv;
struct addrinfo *native_hints;
struct addrinfo **native_results, *rp;
int saved_portable_socktype;
ALOGV(" ");
ALOGV("%s(node:%p, service:%p, portable_hints:%p, portable_results:%p) {", __func__,
node, service, portable_hints, portable_results);
PRINT_ADDRINFO(portable_hints);
/*
* The only part of the addrinfo structure that needs to be modified
* between ARM and MIPS is the socktype;
*/
ASSERT(sizeof(struct addrinfo_portable) == sizeof(struct addrinfo));
native_hints = ((struct addrinfo *) portable_hints);
if (native_hints != NULL) {
saved_portable_socktype = portable_hints->ai_socktype;
native_hints->ai_socktype = socktype_pton(saved_portable_socktype);
}
ASSERT(portable_results != NULL);
native_results = (struct addrinfo **) portable_results;
rv = REAL(getaddrinfo)(node, service, native_hints, native_results);
if (native_hints != NULL) {
portable_hints->ai_socktype = saved_portable_socktype;
}
/*
* Map socktypes in the return list of addrinfo structures from native to portable.
* Assuming getaddrinfo() has left structure writeable and the list is generated
* on each call. This seems to be true when looking at the man page and the code
* at:
* ./bionic/libc/netbsd/net/getaddrinfo.c
*/
for (rp = *native_results; rp != NULL; rp = rp->ai_next) {
PRINT_ADDRINFO(rp);
rp->ai_socktype = socktype_ntop(rp->ai_socktype);
}
ALOGV("%s: return(rv:%d); }", __func__, rv);
return rv;
}
/*
* Free the results list returned from a previous call
* to the portable version of getaddrinfo().
*/
void WRAP(freeaddrinfo)(struct addrinfo_portable *portable_results)
{
struct addrinfo *native_results, *rp;
ALOGV(" ");
ALOGV("%s(portable_results:%p) {", __func__, portable_results);
PRINT_ADDRINFO(portable_results);
/*
* The only part of each addrinfo structure that needs to be modified
* between ARM and MIPS is the socktype;
*
* Map socktypes in the return list of iportable addrinfo structures back to native.
* Again, assuming getaddrinfo() has left structure writeable and the list is generated
* on each call. This seems to be true when looking at the man page and the code.
*/
ASSERT(sizeof(struct addrinfo_portable) == sizeof(struct addrinfo));
native_results = ((struct addrinfo *) portable_results);
for (rp = native_results; rp != NULL; rp = rp->ai_next) {
PRINT_ADDRINFO(rp);
rp->ai_socktype = socktype_pton(rp->ai_socktype); /* Likely not really necessary */
}
REAL(freeaddrinfo)(native_results);
ALOGV("%s: return; }", __func__);
return;
}

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@@ -0,0 +1,65 @@
/*
* Copyright 2014, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <portability.h>
#include <stat_portable.h>
#include <sys/stat.h>
int WRAP(fstat)(int fd, struct stat_portable *s) {
struct stat mips64_stat;
int ret = REAL(fstat)(fd, &mips64_stat);
stat_ntop(&mips64_stat, s);
return ret;
}
static inline int WRAP(fstat64)(int fd, struct stat64_portable *s) {
return WRAP(fstat)(fd, (struct stat_portable*)s);
}
int WRAP(fstatat)(int dirfd, const char *path, struct stat_portable *s, int flags) {
struct stat mips64_stat;
int ret = REAL(fstatat)(dirfd, path, &mips64_stat, flags);
stat_ntop(&mips64_stat, s);
return ret;
}
static inline int WRAP(fstatat64)(int dirfd, const char *path,
struct stat64_portable *s, int flags) {
return WRAP(fstatat)(dirfd, path, (struct stat_portable*)s, flags);
}
int WRAP(lstat)(const char *path, struct stat_portable *s) {
struct stat mips64_stat;
int ret = REAL(lstat)(path, &mips64_stat);
stat_ntop(&mips64_stat, s);
return ret;
}
static inline int WRAP(lstat64)(const char *path, struct stat64_portable *s) {
return WRAP(lstat)(path, (struct stat_portable*)s);
}
int WRAP(stat)(const char* path, struct stat_portable* s) {
struct stat mips64_stat;
int ret = REAL(stat)(path, &mips64_stat);
stat_ntop(&mips64_stat, s);
return ret;
}
static inline int WRAP(stat64)(const char* path, struct stat64_portable *s) {
return WRAP(stat)(path, (struct stat_portable*)s);
}

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@@ -0,0 +1,50 @@
/*
* Copyright 2014, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <portability.h>
#include <stdarg.h>
#include <stdarg_portable.h>
#include <stdio.h>
int WRAP(vfprintf)(FILE *stream, const char *format, va_list_portable *arg) {
return REAL(vfprintf)(stream, format, arg);
}
int WRAP(vfscanf)(FILE *stream, const char *format, va_list_portable *arg) {
return REAL(vfscanf)(stream, format, arg);
}
int WRAP(vprintf)(const char *format, va_list_portable *arg) {
return REAL(vprintf)(format, arg);
}
int WRAP(vscanf)(const char *format, va_list_portable *arg) {
return REAL(vscanf)(format, arg);
}
int WRAP(vsnprintf)(char *s, size_t n, const char *format, va_list_portable *arg) {
return REAL(vsnprintf)(s, n, format, arg);
}
int WRAP(vsprintf)(char *s, const char *format, va_list_portable *arg) {
return REAL(vsprintf)(s, format, arg);
}
int WRAP(vsscanf)(const char *s, const char *format, va_list_portable *arg) {
return REAL(vsscanf)(s, format, arg);
}

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@@ -0,0 +1,18 @@
/*
* Copyright 2012, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <portability.h>
#include <vfs_portable.h>

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@@ -0,0 +1,182 @@
/*
* Copyright 2014, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <portability.h>
#include <sys/cdefs.h>
#include <sys/types.h>
#include <fenv.h>
#include <fenv_portable.h>
#ifndef _ROUND_MASK
#define FE_TONEAREST 0x0000
#define FE_DOWNWARD 0x0400
#define FE_UPWARD 0x0800
#define FE_TOWARDZERO 0x0c00
#define _ROUND_MASK (FE_TONEAREST | FE_DOWNWARD | \
FE_UPWARD | FE_TOWARDZERO)
#endif
static inline int x86_64_change_except(int flag) {
int x86_64flag = 0;
int exception = flag & FE_ALL_EXCEPT_PORTABLE;
if (exception & FE_INVALID_PORTABLE)
x86_64flag |= FE_INVALID;
if (exception & FE_DIVBYZERO_PORTABLE)
x86_64flag |= FE_DIVBYZERO;
if (exception & FE_OVERFLOW_PORTABLE)
x86_64flag |= FE_OVERFLOW;
if (exception & FE_UNDERFLOW_PORTABLE)
x86_64flag |= FE_UNDERFLOW;
if (exception & FE_INEXACT_PORTABLE)
x86_64flag |= FE_INEXACT;
return x86_64flag;
}
static inline int x86_64_change_rounding(int flag) {
int x86_64flag = 0;
int rounding = flag & 0x03;
switch(rounding) {
case FE_TONEAREST_PORTABLE: {
x86_64flag = FE_TONEAREST;
break;
}
case FE_DOWNWARD_PORTABLE: {
x86_64flag = FE_DOWNWARD;
break;
}
case FE_UPWARD_PORTABLE: {
x86_64flag = FE_UPWARD;
break;
}
case FE_TOWARDZERO_PORTABLE: {
x86_64flag = FE_TOWARDZERO;
break;
}
}
return x86_64flag;
}
static inline int x86_64_get_except(int x86_64flag) {
int flag = 0;
int exception = x86_64flag & FE_ALL_EXCEPT;
if (exception & FE_INVALID)
flag |= FE_INVALID_PORTABLE;
if (exception & FE_DIVBYZERO)
flag |= FE_DIVBYZERO_PORTABLE;
if (exception & FE_OVERFLOW)
flag |= FE_OVERFLOW_PORTABLE;
if (exception & FE_UNDERFLOW)
flag |= FE_UNDERFLOW_PORTABLE;
if (exception & FE_INEXACT)
flag |= FE_INEXACT_PORTABLE;
return flag;
}
static inline int x86_64_get_rounding(int x86_64flag) {
int flag = 0;
int rounding = x86_64flag & _ROUND_MASK;
switch(rounding) {
case FE_TONEAREST: {
flag = FE_TONEAREST_PORTABLE;
break;
}
case FE_DOWNWARD: {
flag = FE_DOWNWARD_PORTABLE;
break;
}
case FE_UPWARD: {
flag = FE_UPWARD_PORTABLE;
break;
}
case FE_TOWARDZERO: {
flag = FE_TOWARDZERO_PORTABLE;
break;
}
}
return flag;
}
int WRAP(feclearexcept)(int flag) {
return REAL(feclearexcept)(x86_64_change_except(flag));
}
#ifdef __LP64__
int WRAP(fegetexceptflag)(fexcept_t_portable *obj, int flag) {
int ret = REAL(fegetexceptflag)((fexcept_t*)obj, x86_64_change_except(flag));
*obj = (fexcept_t_portable) x86_64_get_except(*obj);
return ret;
}
int WRAP(fesetexceptflag)(const fexcept_t_portable *obj, int flag) {
const fexcept_t x86_64obj = x86_64_change_except(*obj);
int x86_64flag = x86_64_change_except(flag);
return REAL(fesetexceptflag)(&x86_64obj, x86_64flag);
}
#endif
int WRAP(feraiseexcept)(int flag) {
return REAL(feraiseexcept)(x86_64_change_except(flag));
}
int WRAP(fetestexcept)(int flag) {
int ret = REAL(fetestexcept)(x86_64_change_except(flag));
return x86_64_get_except(ret);
}
int WRAP(fegetround)(void) {
int round = REAL(fegetround)();
return x86_64_get_rounding(round);
}
int WRAP(fesetround)(int round) {
return REAL(fesetround)(x86_64_change_rounding(round));
}
#ifdef __LP64__
int WRAP(fegetenv)(fenv_t_portable *obj) {
return REAL(fegetenv)((fenv_t*)obj);
}
int WRAP(feholdexcept)(fenv_t_portable *obj) {
return REAL(feholdexcept)((fenv_t*)obj);
}
int WRAP(fesetenv)(const fenv_t_portable *obj) {
return REAL(fesetenv)((const fenv_t*)obj);
}
int WRAP(feupdateenv)(const fenv_t_portable *obj) {
return REAL(feupdateenv)((const fenv_t*)obj);
}
#endif
int WRAP(fegetexcept)(void) {
int flag = REAL(fegetexcept)();
return x86_64_get_except(flag);
}

View File

@@ -0,0 +1,65 @@
/*
* Copyright 2014, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <portability.h>
#include <stat_portable.h>
#include <sys/stat.h>
int WRAP(fstat)(int fd, struct stat_portable *s) {
struct stat x86_64_stat;
int ret = REAL(fstat)(fd, &x86_64_stat);
stat_ntop(&x86_64_stat, s);
return ret;
}
static inline int WRAP(fstat64)(int fd, struct stat64_portable *s) {
return WRAP(fstat)(fd, (struct stat_portable*)s);
}
int WRAP(fstatat)(int dirfd, const char *path, struct stat_portable *s, int flags) {
struct stat x86_64_stat;
int ret = REAL(fstatat)(dirfd, path, &x86_64_stat, flags);
stat_ntop(&x86_64_stat, s);
return ret;
}
static inline int WRAP(fstatat64)(int dirfd, const char *path,
struct stat64_portable *s, int flags) {
return WRAP(fstatat)(dirfd, path, (struct stat_portable*)s, flags);
}
int WRAP(lstat)(const char *path, struct stat_portable *s) {
struct stat x86_64_stat;
int ret = REAL(lstat)(path, &x86_64_stat);
stat_ntop(&x86_64_stat, s);
return ret;
}
static inline int WRAP(lstat64)(const char *path, struct stat64_portable *s) {
return WRAP(lstat)(path, (struct stat_portable*)s);
}
int WRAP(stat)(const char* path, struct stat_portable* s) {
struct stat x86_64_stat;
int ret = REAL(stat)(path, &x86_64_stat);
stat_ntop(&x86_64_stat, s);
return ret;
}
static inline int WRAP(stat64)(const char* path, struct stat64_portable *s) {
return WRAP(stat)(path, (struct stat_portable*)s);
}

View File

@@ -0,0 +1,50 @@
/*
* Copyright 2014, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <portability.h>
#include <stdarg.h>
#include <stdarg_portable.h>
#include <stdio.h>
int WRAP(vfprintf)(FILE *stream, const char *format, va_list_portable *arg) {
return REAL(vfprintf)(stream, format, arg);
}
int WRAP(vfscanf)(FILE *stream, const char *format, va_list_portable *arg) {
return REAL(vfscanf)(stream, format, arg);
}
int WRAP(vprintf)(const char *format, va_list_portable *arg) {
return REAL(vprintf)(format, arg);
}
int WRAP(vscanf)(const char *format, va_list_portable *arg) {
return REAL(vscanf)(format, arg);
}
int WRAP(vsnprintf)(char *s, size_t n, const char *format, va_list_portable *arg) {
return REAL(vsnprintf)(s, n, format, arg);
}
int WRAP(vsprintf)(char *s, const char *format, va_list_portable *arg) {
return REAL(vsprintf)(s, format, arg);
}
int WRAP(vsscanf)(const char *s, const char *format, va_list_portable *arg) {
return REAL(vsscanf)(s, format, arg);
}

View File

@@ -0,0 +1,18 @@
/*
* Copyright 2012, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <portability.h>
#include <vfs_portable.h>

View File

@@ -19,6 +19,13 @@
#include <sys/types.h>
#ifdef __LP64__
typedef struct {
unsigned char a[28]; // x86_64 largest size
} fenv_t_portable;
typedef __uint32_t fexcept_t_portable;
#endif
/* Exception flags. */
#define FE_INVALID_PORTABLE 0x01
#define FE_DIVBYZERO_PORTABLE 0x02

View File

@@ -17,6 +17,7 @@
#ifndef _PORTABILITY_H_
#define _PORTABILITY_H_
#include <stdint.h>
#include "asm-generic/portability.h"
/*
* Common portability helper routines
@@ -35,7 +36,7 @@ inline static int invalid_pointer(void *p)
return p == 0
|| p == (void *)-1
#ifdef __mips__
|| (int)p < 0
|| (intptr_t)p < 0
#endif
;
}

View File

@@ -20,6 +20,59 @@
#include <sys/stat.h>
#include <string.h>
#ifdef __LP64__
#define __STAT64_BODY_PORTABLE \
unsigned long st_dev; \
unsigned long st_ino; \
unsigned int st_mode; \
unsigned int st_nlink; \
uid_t st_uid; \
gid_t st_gid; \
unsigned long st_rdev; \
unsigned long __pad1; \
long st_size; \
int st_blksize; \
int __pad2; \
long st_blocks; \
long st_atime; \
unsigned long st_atime_nsec; \
long st_mtime; \
unsigned long st_mtime_nsec; \
long st_ctime; \
unsigned long st_ctime_nsec; \
unsigned int __unused4; \
unsigned int __unused5; \
unsigned long __unused_for_largest_size; \
struct stat_portable { __STAT64_BODY_PORTABLE };
struct stat64_portable { __STAT64_BODY_PORTABLE };
static inline
void stat_ntop(struct stat *n_stat, struct stat_portable *p_stat)
{
memset(p_stat, '\0', sizeof(struct stat_portable));
p_stat->st_dev = n_stat->st_dev;
p_stat->st_ino = n_stat->st_ino;
p_stat->st_mode = n_stat->st_mode;
p_stat->st_nlink = n_stat->st_nlink;
p_stat->st_uid = n_stat->st_uid;
p_stat->st_gid = n_stat->st_gid;
p_stat->st_rdev = n_stat->st_rdev;
p_stat->st_size = n_stat->st_size;
p_stat->st_blksize = n_stat->st_blksize;
p_stat->st_blocks = n_stat->st_blocks;
p_stat->st_atime = n_stat->st_atime;
p_stat->st_atime_nsec = n_stat->st_atime_nsec;
p_stat->st_mtime = n_stat->st_mtime;
p_stat->st_mtime_nsec = n_stat->st_mtime_nsec;
p_stat->st_ctime = n_stat->st_ctime;
p_stat->st_ctime_nsec = n_stat->st_ctime_nsec;
}
#else // ! __LP64__
/* It's easy to change kernel to support stat */
struct stat_portable {
unsigned long long st_dev;
@@ -148,4 +201,6 @@ static inline void stat_ntop(struct stat *n_stat, struct stat_portable *p_stat)
p_stat->st_ino = n_stat->st_ino;
}
#endif // __LP64__
#endif /* _STAT_PORTABLE_H */

View File

@@ -0,0 +1,30 @@
/*
* Copyright 2014, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _STDARG_PORTABLE_H_
#define _STDARG_PORTABLE_H_
// The elements are not important. This struct should be interpreted
// differently by all targets.
typedef struct va_list_portable {
void *ptr1;
void *ptr2;
void *ptr3;
int offset1;
int offset2;
} va_list_portable;
#endif /* _STDARG_PORTABLE_H_ */

View File

@@ -0,0 +1,96 @@
/*
* Copyright 2014, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _VFS_PORTABLE_H
#define _VFS_PORTABLE_H
#include <stdlib.h>
#include <sys/vfs.h>
/* The kernel's __kernel_fsid_t has a 'val' member but glibc uses '__val'. */
typedef struct { int __val[2]; } __fsid_t_portable;
typedef __fsid_t_portable fsid_t_portable;
#define __STATFS64_BODY_PORTABLE \
uint64_t f_type; \
uint64_t f_bsize; \
uint64_t f_blocks; \
uint64_t f_bfree; \
uint64_t f_bavail; \
uint64_t f_files; \
uint64_t f_ffree; \
fsid_t_portable f_fsid; \
uint64_t f_namelen; \
uint64_t f_frsize; \
uint64_t f_flags; \
uint64_t f_spare[5]; \
struct statfs_portable { __STATFS64_BODY_PORTABLE };
struct statfs64_portable { __STATFS64_BODY_PORTABLE };
static inline
void statfs_ntop(struct statfs *n_statfs, struct statfs_portable *p_statfs) {
memset(p_statfs, 0, sizeof(struct statfs_portable));
p_statfs->f_type = n_statfs->f_type;
p_statfs->f_bsize = n_statfs->f_bsize;
p_statfs->f_blocks = n_statfs->f_blocks;
p_statfs->f_bfree = n_statfs->f_bfree;
p_statfs->f_bavail = n_statfs->f_bavail;
p_statfs->f_files = n_statfs->f_files;
p_statfs->f_ffree = n_statfs->f_ffree;
memcpy(&p_statfs->f_fsid, &n_statfs->f_fsid, sizeof(int)*2);
p_statfs->f_namelen = n_statfs->f_namelen;
p_statfs->f_frsize = n_statfs->f_frsize;
p_statfs->f_flags = n_statfs->f_flags;
#ifdef __mips__
memcpy(&p_statfs->f_spare, &n_statfs->f_spare, 4);
#else
memcpy(&p_statfs->f_spare, &n_statfs->f_spare, 5);
#endif
}
static inline
int WRAP(statfs)(const char* path, struct statfs_portable* stat) {
struct statfs native_stat;
int ret = REAL(statfs)(path, &native_stat);
statfs_ntop(&native_stat, stat);
return ret;
}
static inline
int WRAP(statfs64)(const char* path, struct statfs64_portable* stat) {
return WRAP(statfs)(path, (struct statfs_portable*)stat);
}
static inline
int WRAP(fstatfs)(int fd, struct statfs_portable* stat) {
struct statfs native_stat;
int ret = REAL(fstatfs)(fd, &native_stat);
statfs_ntop(&native_stat, stat);
return ret;
}
static inline
int WRAP(fstatfs64)(int fd, struct statfs64_portable* stat) {
return WRAP(fstatfs)(fd, (struct statfs_portable*)stat);
}
#endif