Merge "Modify MIPS64 stat structure to match a generic one in AOSP."

6 files changed, 108 insertions, 60 deletions

diff --git a/libc/SYSCALLS.TXT b/libc/SYSCALLS.TXT
index a648c9f..0fa2a1e 100644
--- a/libc/SYSCALLS.TXT
+++ b/libc/SYSCALLS.TXT
@@ -134,7 +134,7 @@ int faccessat(int, const char*, int, int)  all
 int fchmodat(int, const char*, mode_t, int)  all
 int fchownat(int, const char*, uid_t, gid_t, int)  all
 int fstatat64|fstatat:fstatat64(int, const char*, struct stat*, int)   arm,mips,x86
-int fstatat64|fstatat:newfstatat(int, const char*, struct stat*, int)  arm64,mips64,x86_64
+int fstatat64|fstatat:newfstatat(int, const char*, struct stat*, int)  arm64,x86_64
 int linkat(int, const char*, int, const char*, int)  all
 int mkdirat(int, const char*, mode_t)  all
 int mknodat(int, const char*, mode_t, dev_t)  all
@@ -179,7 +179,7 @@ int __statfs64:statfs64(const char*, size_t, struct statfs*)  arm,mips,x86
 int statfs64|statfs:statfs(const char*, struct statfs*)  arm64,mips64,x86_64
 
 int     fstat64|fstat:fstat64(int, struct stat*)    arm,mips,x86
-int     fstat64|fstat:fstat(int, struct stat*)    arm64,mips64,x86_64
+int     fstat64|fstat:fstat(int, struct stat*)    arm64,x86_64
 
 # file system
 int     chdir(const char*)              all
diff --git a/libc/arch-mips64/bionic/stat.cpp b/libc/arch-mips64/bionic/stat.cpp
new file mode 100644
index 0000000..df63906
--- /dev/null
+++ b/libc/arch-mips64/bionic/stat.cpp
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/syscall.h>
+#include <asm/unistd.h>
+
+struct kernel_stat {
+ unsigned int st_dev;
+ unsigned int st_pad0[3];
+ unsigned long st_ino;
+ mode_t st_mode;
+ __u32 st_nlink;
+ uid_t st_uid;
+ gid_t st_gid;
+ unsigned int st_rdev;
+ unsigned int st_pad1[3];
+ __kernel_off_t st_size;
+ unsigned int _st_atime;
+ unsigned int st_atime_nsec;
+ unsigned int _st_mtime;
+ unsigned int st_mtime_nsec;
+ unsigned int _st_ctime;
+ unsigned int st_ctime_nsec;
+ unsigned int st_blksize;
+ unsigned int st_pad2;
+ unsigned long st_blocks;
+};
+
+void copy_stat(struct stat *st, struct kernel_stat *s)
+{
+  st->st_dev = static_cast<dev_t>(s->st_dev);
+  st->st_ino = static_cast<ino_t>(s->st_ino);
+  st->st_mode = static_cast<mode_t>(s->st_mode);
+  st->st_nlink = static_cast<nlink_t>(s->st_nlink);
+  st->st_uid = static_cast<uid_t>(s->st_uid);
+  st->st_gid = static_cast<gid_t>(s->st_gid);
+  st->st_rdev = static_cast<dev_t>(s->st_rdev);
+  st->st_size = static_cast<off_t>(s->st_size);
+  st->st_blksize = static_cast<int>(s->st_blksize);
+  st->st_blocks = static_cast<long>(s->st_blocks);
+  st->st_atim.tv_sec = static_cast<time_t>(s->_st_atime);
+  st->st_atim.tv_nsec = static_cast<long>(s->st_atime_nsec);
+  st->st_mtim.tv_sec = static_cast<time_t>(s->_st_mtime);
+  st->st_mtim.tv_nsec = static_cast<long>(s->st_mtime_nsec);
+  st->st_ctim.tv_sec = static_cast<time_t>(s->_st_ctime);
+  st->st_ctim.tv_nsec = static_cast<long>(s->st_ctime_nsec);
+}
+
+int fstat(int fp, struct stat *st)
+{
+  kernel_stat s;
+  int ret;
+  ret = syscall (__NR_fstat, fp, &s);
+  copy_stat (st, &s);
+  return ret;
+}
+__strong_alias(fstat64, fstat);
+
+int newfstatat(int dirfd, const char *pathname, struct stat *buf, int flags)
+{
+   kernel_stat s;
+   int ret;
+   ret = syscall(__NR_newfstatat, dirfd, pathname, &s, flags);
+   copy_stat(buf, &s);
+   return ret;
+}
+
+int fstatat(int dirfd, const char *pathname, struct stat *buf, int flags)
+{
+   kernel_stat s;
+   int ret;
+   ret = syscall(__NR_newfstatat, dirfd, pathname, &s, flags);
+   copy_stat(buf, &s);
+   return ret;
+}
+__strong_alias(fstatat64, fstatat);
diff --git a/libc/arch-mips64/mips64.mk b/libc/arch-mips64/mips64.mk
index 7990c69..1376395 100644
--- a/libc/arch-mips64/mips64.mk
+++ b/libc/arch-mips64/mips64.mk
@@ -52,6 +52,7 @@ libc_bionic_src_files_mips64 += \
     arch-mips64/bionic/setjmp.S \
     arch-mips64/bionic/syscall.S \
     arch-mips64/bionic/vfork.S \
+    arch-mips64/bionic/stat.cpp \
 
 libc_crt_target_cflags_mips64 := \
     $($(my_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS) \
diff --git a/libc/arch-mips64/syscalls/fstat64.S b/libc/arch-mips64/syscalls/fstat64.S
deleted file mode 100644
index a14d51c..0000000
--- a/libc/arch-mips64/syscalls/fstat64.S
+++ /dev/null
@@ -1,28 +0,0 @@
-/* Generated by gensyscalls.py. Do not edit. */
-
-#include <private/bionic_asm.h>
-
-ENTRY(fstat64)
-    .set push
-    .set noreorder
-    li v0, __NR_fstat
-    syscall
-    bnez a3, 1f
-    move a0, v0
-    j ra
-    nop
-1:
-    move t0, ra
-    bal     2f
-    nop
-2:
-    .cpsetup ra, t1, 2b
-    LA t9,__set_errno_internal
-    .cpreturn
-    j t9
-    move ra, t0
-    .set pop
-END(fstat64)
-
-    .globl fstat
-    .equ fstat, fstat64
diff --git a/libc/arch-mips64/syscalls/fstatat64.S b/libc/arch-mips64/syscalls/fstatat64.S
deleted file mode 100644
index 7888a43..0000000
--- a/libc/arch-mips64/syscalls/fstatat64.S
+++ /dev/null
@@ -1,28 +0,0 @@
-/* Generated by gensyscalls.py. Do not edit. */
-
-#include <private/bionic_asm.h>
-
-ENTRY(fstatat64)
-    .set push
-    .set noreorder
-    li v0, __NR_newfstatat
-    syscall
-    bnez a3, 1f
-    move a0, v0
-    j ra
-    nop
-1:
-    move t0, ra
-    bal     2f
-    nop
-2:
-    .cpsetup ra, t1, 2b
-    LA t9,__set_errno_internal
-    .cpreturn
-    j t9
-    move ra, t0
-    .set pop
-END(fstatat64)
-
-    .globl fstatat
-    .equ fstatat, fstatat64
diff --git a/libc/include/sys/stat.h b/libc/include/sys/stat.h
index 7017865..eb9bf2e 100644
--- a/libc/include/sys/stat.h
+++ b/libc/include/sys/stat.h
@@ -36,7 +36,7 @@
 
 __BEGIN_DECLS
 
-#if defined(__aarch64__)
+#if defined(__aarch64__) || (defined(__mips__) && defined(__LP64__))
 #define __STAT64_BODY \
   dev_t st_dev; \
   ino_t st_ino; \
@@ -56,7 +56,7 @@ __BEGIN_DECLS
   unsigned int __unused4; \
   unsigned int __unused5; \
 
-#elif defined(__mips__) /* and mips64 */
+#elif defined(__mips__) && !defined(__LP64__)
 #define __STAT64_BODY \
   unsigned int st_dev; \
   unsigned int __pad0[3]; \