update nspr to NSPR_HEAD_20100330 to pick up support for android r=ted

--HG--
extra : rebase_source : 90577e9e3385b0d866e4860e0c6c89bfe382881e

nsprpub/config/autoconf.mk.in

@@ -37,6 +37,8 @@ LIBPLC		= @LIBPLC@
 
 CROSS_COMPILE		= @CROSS_COMPILE@
 BUILD_OPT			= @MOZ_OPTIMIZE@
+MOZ_DEBUG			= @MOZ_DEBUG@
+MOZ_DEBUG_SYMBOLS	= @MOZ_DEBUG_SYMBOLS@
 
 USE_CPLUS	= @USE_CPLUS@
 USE_IPV6	= @USE_IPV6@

nsprpub/config/rules.mk

@@ -141,7 +141,7 @@ endif
 ifndef TARGETS
 ifeq (,$(filter-out WINNT WINCE OS2,$(OS_ARCH)))
 TARGETS		= $(LIBRARY) $(SHARED_LIBRARY) $(IMPORT_LIBRARY)
-ifndef BUILD_OPT
+ifdef MOZ_DEBUG_SYMBOLS
 ifdef MSC_VER
 ifneq (,$(filter-out 1100 1200,$(MSC_VER)))
 TARGETS		+= $(SHARED_LIB_PDB)

nsprpub/configure.in

@@ -127,6 +127,71 @@ if test -n "$_WIN32_MSVC"; then
     SKIP_LIBRARY_CHECKS=1
 fi
 
+dnl ========================================================
+dnl = Android uses a very custom (hacky) toolchain; we need to do this
+dnl = here, so that the compiler checks can succeed
+dnl ========================================================
+
+AC_ARG_WITH(android-ndk,
+[  --with-android-ndk=DIR
+                      location where the Android NDK can be found],
+    android_ndk=$withval)
+
+AC_ARG_WITH(android-toolchain,
+[  --with-android-toolchain=DIR
+                            location of the android toolchain, default NDK/build/prebuilt/HOST/arm-eabi-4.4.0],
+    android_toolchain=$withval)
+
+AC_ARG_WITH(android-platform,
+[  --with-android-platform=DIR
+                           location of platform dir, default NDK/build/platforms/android-5/arch-arm],
+    android_platform=$withval)
+
+if test "$target" = "arm-android-eabi" ; then
+    if test -z "$android_ndk" ; then
+       AC_MSG_ERROR([You must specify --with-android-ndk=/path/to/ndk when targeting Android.])
+    fi
+
+    if test -z "$android_toolchain" ; then
+       android_toolchain="$android_ndk"/build/prebuilt/`uname -s | tr "[[:upper:]]" "[[:lower:]]"`-x86/arm-eabi-4.4.0
+    fi
+
+    if test -z "$android_platform" ; then
+       android_platform="$android_ndk"/build/platforms/android-5/arch-arm
+    fi
+
+    dnl set up compilers
+    AS="$android_toolchain"/bin/arm-eabi-as
+    CC="$android_toolchain"/bin/arm-eabi-gcc
+    CXX="$android_toolchain"/bin/arm-eabi-g++
+    CPP="$android_toolchain"/bin/arm-eabi-cpp
+    LD="$android_toolchain"/bin/arm-eabi-ld
+    AR="$android_toolchain"/bin/arm-eabi-ar
+    RANLIB="$android_toolchain"/bin/arm-eabi-ranlib
+    STRIP="$android_toolchain"/bin/arm-eabi-strip
+
+    CPPFLAGS="-I$android_platform/usr/include $CPPFLAGS"
+    CFLAGS="-mandroid -I$android_platform/usr/include -msoft-float -fno-short-enums -fno-exceptions -march=armv5te -mthumb-interwork $CFLAGS"
+    CXXFLAGS="-mandroid -I$android_platform/usr/include -msoft-float -fpic -fno-short-enums -fno-exceptions -march=armv5te -mthumb-interwork -mthumb $CXXFLAGS"
+    LDFLAGS="-mandroid -L$android_platform/usr/lib -Wl,-rpath-link=$android_platform/usr/lib --sysroot=$android_platform $LDFLAGS"
+
+    dnl prevent cross compile section from using these flags as host flags
+    if test -z "$HOST_CPPFLAGS" ; then
+        HOST_CPPFLAGS=" "
+    fi
+    if test -z "$HOST_CFLAGS" ; then
+        HOST_CFLAGS=" "
+    fi
+    if test -z "$HOST_CXXFLAGS" ; then
+        HOST_CXXFLAGS=" "
+    fi
+    if test -z "$HOST_LDFLAGS" ; then
+        HOST_LDFLAGS=" "
+    fi
+
+    AC_DEFINE(ANDROID)
+fi
+
 dnl ========================================================
 dnl =
 dnl = Check options that may affect the compiler
@@ -181,10 +246,10 @@ AC_ARG_WITH(mozilla,
 	    fi])
 
 AC_ARG_ENABLE(optimize,
-    [  --enable-optimize(=val) Enable code optimizations (val, ie. -O2) ],
+    [  --enable-optimize[=OPT] Enable code optimizations (ie. -O2) ],
     [ if test "$enableval" != "no"; then
           MOZ_OPTIMIZE=1
-        if test -n "$enableval" && test "$enableval" != "yes"; then
+          if test -n "$enableval" -a "$enableval" != "yes"; then
             _OPTIMIZE_FLAGS=`echo $enableval | sed -e 's|\\\ | |g'`
             _SAVE_OPTIMIZE_FLAGS=$_OPTIMIZE_FLAGS
           fi
@@ -193,16 +258,32 @@ AC_ARG_ENABLE(optimize,
       fi ])
 
 AC_ARG_ENABLE(debug,
-    [  --disable-debug         Do not compile in debugging symbols
+    [  --enable-debug[=DBG]    Enable debugging (using compiler flags DBG)],
-  --enable-debug(=val)    Enable debugging (debug flags val)],
+    [ if test "$enableval" != "no"; then
-    [	if test "$enableval" = "no"; then
-    	    MOZ_DEBUG=
-        else
           MOZ_DEBUG=1
-            if test -n "$enableval" && test "$enableval" != "yes"; then
+          MOZ_DEBUG_SYMBOLS=1
+          if test -n "$enableval" -a "$enableval" != "yes"; then
               _DEBUG_FLAGS=`echo $enableval | sed -e 's|\\\ | |g'`
               _SAVE_DEBUG_FLAGS=$_DEBUG_FLAGS
           fi
+      else
+          MOZ_DEBUG=
+      fi ],
+      MOZ_DEBUG=)
+
+AC_ARG_ENABLE(debug-symbols,
+    [  --enable-debug-symbols[=DBG]    Enable debugging symbols
+                                       (using compiler flags DBG)],
+    [ if test "$enableval" != "no"; then
+          MOZ_DEBUG_SYMBOLS=1
+          if test -n "$enableval" -a "$enableval" != "yes"; then
+              if test -z "$_SAVE_DEBUG_FLAGS"; then
+                  _DEBUG_FLAGS=`echo $enableval | sed -e 's|\\\ | |g'`
+                  _SAVE_DEBUG_FLAGS=$_DEBUG_FLAGS
+              else
+                  AC_MSG_ERROR([--enable-debug-symbols flags cannot be used with --enable-debug flags])
+              fi
+          fi
       fi ])
 
 AC_ARG_ENABLE(win32-target,
@@ -1412,6 +1493,33 @@ tools are selected during the Xcode/Developer Tools installation.])
 	esac
     ;;
 
+arm-android-eabi)
+    if test -z "$USE_NSPR_THREADS"; then
+        USE_PTHREADS=1
+        IMPL_STRATEGY=_PTH
+    fi
+    AC_DEFINE(XP_UNIX)
+    AC_DEFINE(_GNU_SOURCE)
+    AC_DEFINE(HAVE_FCNTL_FILE_LOCKING)
+    AC_DEFINE(LINUX)
+    CFLAGS="$CFLAGS -Wall"
+    CXXFLAGS="$CXXFLAGS -Wall"
+    MDCPUCFG_H=_linux.cfg
+    PR_MD_CSRCS=linux.c
+    MKSHLIB='$(CC) $(DSO_LDOPTS) -o $@'
+    DSO_CFLAGS=-fPIC
+    DSO_LDOPTS='-shared -Wl,-soname -Wl,$(notdir $@)'
+    _OPTIMIZE_FLAGS=-O2
+    _DEBUG_FLAGS="-g -fno-inline"  # most people on linux use gcc/gdb, and that
+                                   # combo is not yet good at debugging inlined
+                                   # functions (even when using DWARF2 as the
+                                   # debugging format)
+    COMPILER_TAG=_glibc
+    CPU_ARCH=arm
+    CPU_ARCH_TAG=_arm
+    OS_TARGET=Android
+    ;;
+
 *-linux*|*-gnu*|*-k*bsd*-gnu)
     if test -z "$USE_NSPR_THREADS"; then
         USE_PTHREADS=1
@@ -1542,7 +1650,7 @@ tools are selected during the Xcode/Developer Tools installation.])
         
         CFLAGS="$CFLAGS -W3 -nologo -GF -Gy"
         DLLFLAGS="$DLLFLAGS -OUT:\"\$@\""
-        _DEBUG_FLAGS=-Z7
+        _DEBUG_FLAGS=-Zi
         _OPTIMIZE_FLAGS=-O2
         if test -z "$MOZ_OPTIMIZE"; then
             CFLAGS="$CFLAGS -Od"
@@ -1560,18 +1668,15 @@ tools are selected during the Xcode/Developer Tools installation.])
             DEFINES="$DEFINES -U_DEBUG"
         fi
 
-        if test -n "$MOZ_OPTIMIZE"; then
         if test -n "$MOZ_DEBUG_SYMBOLS"; then
-                _OPTIMIZE_FLAGS="$_OPTIMIZE_FLAGS -Zi"
+            if test -n "$MOZ_OPTIMIZE"; then
                 DLLFLAGS="$DLLFLAGS -DEBUG -OPT:REF"
                 LDFLAGS="$LDFLAGS -DEBUG -OPT:REF"
-            fi
+            else
-        fi
-
-        if test -n "$MOZ_DEBUG"; then
                 DLLFLAGS="$DLLFLAGS -DEBUG"
                 LDFLAGS="$LDFLAGS -DEBUG"
             fi
+        fi
 
         OS_DLLFLAGS="-nologo -DLL -SUBSYSTEM:WINDOWS"
         if test "$MSC_VER" -le "1200" -a -z "$MOZ_DEBUG_SYMBOLS"; then
@@ -1666,7 +1771,7 @@ tools are selected during the Xcode/Developer Tools installation.])
     LIBPLC='$(dist_libdir)/plc$(MOD_MAJOR_VERSION).$(LIB_SUFFIX)'
 
     DLLFLAGS='-OUT:"$@"'
-    if test -n "$MOZ_DEBUG_SYMBOLS" || test -n "$MOZ_DEBUG"; then
+    if test -n "$MOZ_DEBUG_SYMBOLS"; then
         OS_LDFLAGS='-DEBUG -DEBUGTYPE:CV'
         OS_DLLFLAGS='-DEBUG -DEBUGTYPE:CV'
         DSO_LDOPTS='-DEBUG -DEBUGTYPE:CV'
@@ -2726,7 +2831,7 @@ if test -n "$MOZ_OPTIMIZE"; then
     CXXFLAGS="$CXXFLAGS $_OPTIMIZE_FLAGS"
 fi
 
-if test -n "$MOZ_DEBUG_SYMBOLS" || test -n "$MOZ_DEBUG"; then
+if test -n "$MOZ_DEBUG_SYMBOLS"; then
     CFLAGS="$CFLAGS $_DEBUG_FLAGS"
     CXXFLAGS="$CXXFLAGS $_DEBUG_FLAGS"
 fi
@@ -2775,6 +2880,8 @@ AC_SUBST(MSC_VER)
 AC_SUBST(CROSS_COMPILE)
 
 AC_SUBST(MOZ_OPTIMIZE)
+AC_SUBST(MOZ_DEBUG)
+AC_SUBST(MOZ_DEBUG_SYMBOLS)
 
 AC_SUBST(USE_CPLUS)
 AC_SUBST(USE_IPV6)

nsprpub/lib/ds/plarena.c

@@ -256,6 +256,21 @@ PR_IMPLEMENT(void *) PL_ArenaGrow(
     return newp;
 }
 
+static void ClearArenaList(PLArena *a, PRInt32 pattern)
+{
+
+    for (; a; a = a->next) {
+        PR_ASSERT(a->base <= a->avail && a->avail <= a->limit);
+        a->avail = a->base;
+	PL_CLEAR_UNUSED_PATTERN(a, pattern);
+    }
+}
+
+PR_IMPLEMENT(void) PL_ClearArenaPool(PLArenaPool *pool, PRInt32 pattern)
+{
+    ClearArenaList(pool->first.next, pattern);
+}
+
 /*
  * Free tail arenas linked after head, which may not be the true list head.
  * Reset pool->current to point to head in case it pointed at a tail arena.
@@ -270,12 +285,7 @@ static void FreeArenaList(PLArenaPool *pool, PLArena *head, PRBool reallyFree)
         return;
 
 #ifdef DEBUG
-    do {
+    ClearArenaList(a, PL_FREE_PATTERN);
-        PR_ASSERT(a->base <= a->avail && a->avail <= a->limit);
-        a->avail = a->base;
-        PL_CLEAR_UNUSED(a);
-    } while ((a = a->next) != 0);
-    a = *ap;
 #endif
 
     if (reallyFree) {

nsprpub/lib/ds/plarena.h

@@ -138,11 +138,12 @@ struct PLArenaPool {
 #define PL_ARENA_MARK(pool) ((void *) (pool)->current->avail)
 #define PR_UPTRDIFF(p,q) ((PRUword)(p) - (PRUword)(q))
 
+#define PL_CLEAR_UNUSED_PATTERN(a, pattern) \
+	   (PR_ASSERT((a)->avail <= (a)->limit), \
+	   memset((void*)(a)->avail, (pattern), (a)->limit - (a)->avail))
 #ifdef DEBUG
 #define PL_FREE_PATTERN 0xDA
-#define PL_CLEAR_UNUSED(a) (PR_ASSERT((a)->avail <= (a)->limit), \
+#define PL_CLEAR_UNUSED(a) PL_CLEAR_UNUSED_PATTERN((a), PL_FREE_PATTERN)
-                           memset((void*)(a)->avail, PL_FREE_PATTERN, \
-                           (a)->limit - (a)->avail))
 #define PL_CLEAR_ARENA(a)  memset((void*)(a), PL_FREE_PATTERN, \
                            (a)->limit - (PRUword)(a))
 #else

nsprpub/lib/ds/plarenas.h

@@ -108,6 +108,11 @@ PR_EXTERN(void *) PL_ArenaGrow(
 
 PR_EXTERN(void) PL_ArenaRelease(PLArenaPool *pool, char *mark);
 
+/*
+** memset contents of all arenas in pool to pattern
+*/
+PR_EXTERN(void) PL_ClearArenaPool(PLArenaPool *pool, PRInt32 pattern);
+
 PR_END_EXTERN_C
 
 #endif /* defined(PLARENAS_H) */

nsprpub/lib/ds/plds.def

@@ -81,3 +81,8 @@ libVersionPoint;
 PL_HashTableLookupConst;
 PL_HashTableRawLookupConst;
 ;+} NSPR_4.0;
+;+
+;+NSPR_4.8.5 {
+;+    global:
+PL_ClearArenaPool;
+;+} NSPR_4.1;

nsprpub/pr/include/md/_linux.h

@@ -100,6 +100,9 @@
  */
 #define HAVE_DLL
 #define USE_DLFCN
+#if defined(ANDROID)
+#define NO_DLOPEN_NULL
+#endif
 
 #ifdef __FreeBSD_kernel__
 #define _PR_HAVE_SOCKADDR_LEN
@@ -277,8 +280,10 @@ static inline PRInt32 _MD_ATOMIC_SET(PRInt32 *ptr, PRInt32 nv)
 #define _PR_HAVE_GETADDRINFO
 #define _PR_INET6_PROBE
 #endif
+#ifndef ANDROID
 #define _PR_HAVE_SYSV_SEMAPHORES
 #define PR_HAVE_SYSV_NAMED_SHARED_MEMORY
+#endif
 #if (__GLIBC__ >= 2) && defined(_PR_PTHREADS)
 #define _PR_HAVE_GETHOST_R
 #define _PR_HAVE_GETHOST_R_INT

nsprpub/pr/include/prbit.h

@@ -41,6 +41,33 @@
 #include "prtypes.h"
 PR_BEGIN_EXTERN_C
 
+/* replace compare/jump/add/shift sequence with x86 BSF/BSR instruction */
+#if defined(_WIN32) && (_MSC_VER >= 1300) && (defined(_M_IX86) || defined(_M_AMD64))
+  unsigned char _BitScanForward(unsigned long * Index, unsigned long Mask);
+  unsigned char _BitScanReverse(unsigned long * Index, unsigned long Mask);
+# pragma  intrinsic(_BitScanForward,_BitScanReverse)
+  __forceinline static int __prBitScanForward32(unsigned int val)
+  { 
+    unsigned long idx;
+    _BitScanForward(&idx, (unsigned long)val);
+    return( (int)idx );
+  }
+  __forceinline static int __prBitScanReverse32(unsigned int val)
+  {
+    unsigned long idx;
+    _BitScanReverse(&idx, (unsigned long)val);
+    return( (int)(31-idx) );
+  }
+# define pr_bitscan_ctz32(val)  __prBitScanForward32(val)
+# define pr_bitscan_clz32(val)  __prBitScanReverse32(val)
+# define  PR_HAVE_BUILTIN_BITSCAN32
+#elif ((__GNUC__ >= 4) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) && \
+       (defined(__i386__) || defined(__x86_64__))
+# define pr_bitscan_ctz32(val)  __builtin_ctz(val)
+# define pr_bitscan_clz32(val)  __builtin_clz(val)
+# define  PR_HAVE_BUILTIN_BITSCAN32
+#endif /* MSVC || GCC */
+
 /*
 ** A prbitmap_t is a long integer that can be used for bitmaps
 */
@@ -67,6 +94,13 @@ NSPR_API(PRIntn) PR_FloorLog2(PRUint32 i);
 ** Macro version of PR_CeilingLog2: Compute the log of the least power of
 ** 2 greater than or equal to _n. The result is returned in _log2.
 */
+#ifdef PR_HAVE_BUILTIN_BITSCAN32 
+#define PR_CEILING_LOG2(_log2,_n)      \
+  PR_BEGIN_MACRO                       \
+    PRUint32 j_ = (PRUint32)(_n);      \
+    (_log2) = (j_ <= 1 ? 0 : 32 - pr_bitscan_clz32(j_ - 1)); \
+  PR_END_MACRO
+#else
 #define PR_CEILING_LOG2(_log2,_n)   \
   PR_BEGIN_MACRO                    \
     PRUint32 j_ = (PRUint32)(_n); 	\
@@ -84,6 +118,7 @@ NSPR_API(PRIntn) PR_FloorLog2(PRUint32 i);
     if ((j_) >> 1)                  \
 	(_log2) += 1;               \
   PR_END_MACRO
+#endif /* PR_HAVE_BUILTIN_BITSCAN32 */
 
 /*
 ** Macro version of PR_FloorLog2: Compute the log of the greatest power of
@@ -91,6 +126,13 @@ NSPR_API(PRIntn) PR_FloorLog2(PRUint32 i);
 **
 ** This is equivalent to finding the highest set bit in the word.
 */
+#ifdef PR_HAVE_BUILTIN_BITSCAN32
+#define PR_FLOOR_LOG2(_log2,_n)     \
+  PR_BEGIN_MACRO                    \
+    PRUint32 j_ = (PRUint32)(_n);   \
+    (_log2) = 31 - pr_bitscan_clz32((j_) | 1); \
+  PR_END_MACRO
+#else
 #define PR_FLOOR_LOG2(_log2,_n)   \
   PR_BEGIN_MACRO                    \
     PRUint32 j_ = (PRUint32)(_n); 	\
@@ -106,6 +148,7 @@ NSPR_API(PRIntn) PR_FloorLog2(PRUint32 i);
     if ((j_) >> 1)                  \
 	(_log2) += 1;               \
   PR_END_MACRO
+#endif /* PR_HAVE_BUILTIN_BITSCAN32 */
 
 /*
 ** Macros for rotate left and right. The argument 'a' must be an unsigned

nsprpub/pr/include/prlog.h

@@ -248,14 +248,6 @@ NSPR_API(void) PR_Assert(const char *s, const char *file, PRIntn ln);
 
 #endif /* defined(DEBUG) || defined(FORCE_PR_ASSERT) */
 
-/*
-** Compile-time assert. "condition" must be a constant expression.
-** The macro can be used only in places where an "extern" declaration is
-** allowed.
-*/
-#define PR_STATIC_ASSERT(condition) \
-    extern void pr_static_assert(int arg[(condition) ? 1 : -1])
-
 PR_END_EXTERN_C
 
 #endif /* prlog_h___ */

nsprpub/pr/include/prtypes.h

@@ -519,6 +519,14 @@ typedef unsigned long PRUword;
 /********* ????????????? End Fix me ?????????????????????????????? *****/
 #endif /* NO_NSPR_10_SUPPORT */
 
+/*
+** Compile-time assert. "condition" must be a constant expression.
+** The macro can be used only in places where an "extern" declaration is
+** allowed.
+*/
+#define PR_STATIC_ASSERT(condition) \
+    extern void pr_static_assert(int arg[(condition) ? 1 : -1])
+
 PR_END_EXTERN_C
 
 #endif /* prtypes_h___ */

nsprpub/pr/src/linking/prlink.c

@@ -198,7 +198,7 @@ void _PR_InitLinker(void)
 
 #elif defined(XP_UNIX)
 #ifdef HAVE_DLL
-#ifdef USE_DLFCN
+#if defined(USE_DLFCN) && !defined(NO_DLOPEN_NULL)
     h = dlopen(0, RTLD_LAZY);
     if (!h) {
         char *error;
@@ -214,8 +214,8 @@ void _PR_InitLinker(void)
 #elif defined(USE_HPSHL)
     h = NULL;
     /* don't abort with this NULL */
-#elif defined(USE_MACH_DYLD)
+#elif defined(USE_MACH_DYLD) || defined(NO_DLOPEN_NULL)
-    h = NULL; /* XXXX  toshok */
+    h = NULL; /* XXXX  toshok */ /* XXXX  vlad */
 #else
 #error no dll strategy
 #endif /* USE_DLFCN */
@@ -1354,7 +1354,7 @@ PR_LoadStaticLibrary(const char *name, const PRStaticLinkTable *slt)
 PR_IMPLEMENT(char *)
 PR_GetLibraryFilePathname(const char *name, PRFuncPtr addr)
 {
-#if defined(USE_DLFCN) && (defined(SOLARIS) || defined(FREEBSD) \
+#if defined(USE_DLFCN) && !defined(ANDROID) && (defined(SOLARIS) || defined(FREEBSD) \
         || defined(LINUX) || defined(__GNU__) || defined(__GLIBC__) \
         || defined(DARWIN))
     Dl_info dli;

nsprpub/pr/src/malloc/prmem.c

@@ -117,7 +117,7 @@ _PR_DestroyZones(void)
 
 #ifdef HAVE_DLL
 
-#ifdef USE_DLFCN
+#if defined(USE_DLFCN) && !defined(NO_DLOPEN_NULL)
 
 #include <dlfcn.h>
 
@@ -150,7 +150,7 @@ pr_FindSymbolInProg(const char *name)
     return sym;
 }
 
-#elif defined(USE_MACH_DYLD)
+#elif defined(USE_MACH_DYLD) || defined(NO_DLOPEN_NULL)
 
 static void *
 pr_FindSymbolInProg(const char *name)

nsprpub/pr/src/misc/prdtoa.c

@@ -46,6 +46,7 @@
 #endif
 
 #include "primpl.h"
+#include "prbit.h"
 
 #define MULTIPLE_THREADS
 #define ACQUIRE_DTOA_LOCK(n)	PR_Lock(dtoa_lock[n])
@@ -742,6 +743,9 @@ hi0bits
 	(register ULong x)
 #endif
 {
+#ifdef PR_HAVE_BUILTIN_BITSCAN32
+	return( (!x) ? 32 : pr_bitscan_clz32(x) );
+#else
 	register int k = 0;
 
 	if (!(x & 0xffff0000)) {
@@ -766,6 +770,7 @@ hi0bits
 			return 32;
 		}
 	return k;
+#endif /* PR_HAVE_BUILTIN_BITSCAN32 */
 	}
 
  static int
@@ -776,6 +781,15 @@ lo0bits
 	(ULong *y)
 #endif
 {
+#ifdef PR_HAVE_BUILTIN_BITSCAN32
+	int k;
+	ULong x = *y;
+
+	if (x>1)
+		*y = ( x >> (k = pr_bitscan_ctz32(x)) );
+	else
+		k = ((x ^ 1) << 5);
+#else
 	register int k;
 	register ULong x = *y;
 
@@ -813,6 +827,7 @@ lo0bits
 			return 32;
 		}
 	*y = x;
+#endif /* PR_HAVE_BUILTIN_BITSCAN32 */
 	return k;
 	}
 

nsprpub/pr/src/misc/prlog2.c

@@ -42,20 +42,8 @@
 */
 PR_IMPLEMENT(PRIntn) PR_CeilingLog2(PRUint32 n)
 {
-    PRIntn log2 = 0;
+    PRIntn log2;
-
+    PR_CEILING_LOG2(log2, n);
-    if (n & (n-1))
-	log2++;
-    if (n >> 16)
-	log2 += 16, n >>= 16;
-    if (n >> 8)
-	log2 += 8, n >>= 8;
-    if (n >> 4)
-	log2 += 4, n >>= 4;
-    if (n >> 2)
-	log2 += 2, n >>= 2;
-    if (n >> 1)
-	log2++;
     return log2;
 }
 
@@ -65,17 +53,7 @@ PR_IMPLEMENT(PRIntn) PR_CeilingLog2(PRUint32 n)
 */
 PR_IMPLEMENT(PRIntn) PR_FloorLog2(PRUint32 n)
 {
-    PRIntn log2 = 0;
+    PRIntn log2;
-
+    PR_FLOOR_LOG2(log2, n);
-    if (n >> 16)
-	log2 += 16, n >>= 16;
-    if (n >> 8)
-	log2 += 8, n >>= 8;
-    if (n >> 4)
-	log2 += 4, n >>= 4;
-    if (n >> 2)
-	log2 += 2, n >>= 2;
-    if (n >> 1)
-	log2++;
     return log2;
 }

nsprpub/pr/src/misc/prnetdb.c

@@ -95,7 +95,8 @@ PRLock *_pr_dnsLock = NULL;
 
 #if defined(SOLARIS) || (defined(BSDI) && defined(_REENTRANT)) \
 	|| (defined(LINUX) && defined(_REENTRANT) \
-        && !(defined(__GLIBC__) && __GLIBC__ >= 2))
+        && !(defined(__GLIBC__) && __GLIBC__ >= 2)) \
+        && !defined(ANDROID)
 #define _PR_HAVE_GETPROTO_R
 #define _PR_HAVE_GETPROTO_R_POINTER
 #endif
@@ -1185,6 +1186,16 @@ PR_IMPLEMENT(PRStatus) PR_GetHostByAddr(
  * any usable implementation.
  */
 
+#if defined(ANDROID)
+/* Android's Bionic libc system includes prototypes for these in netdb.h,
+ * but doesn't actually include implementations.  It uses the 5-arg form,
+ * so these functions end up not matching the prototype.  So just rename
+ * them if not found.
+ */
+#define getprotobyname_r _pr_getprotobyname_r
+#define getprotobynumber_r _pr_getprotobynumber_r
+#endif
+
 static struct protoent *getprotobyname_r(const char* name)
 {
 	return getprotobyname(name);

nsprpub/pr/src/misc/prtime.c

@@ -1728,7 +1728,7 @@ PR_FormatTime(char *buf, int buflen, const char *fmt, const PRExplodedTime *tm)
 
 #if defined(SUNOS4) || (__GLIBC__ >= 2) || defined(XP_BEOS) \
         || defined(NETBSD) || defined(OPENBSD) || defined(FREEBSD) \
-        || defined(DARWIN) || defined(SYMBIAN)
+        || defined(DARWIN) || defined(SYMBIAN) || defined(ANDROID)
         a.tm_zone = NULL;
         a.tm_gmtoff = tm->tm_params.tp_gmt_offset +
                       tm->tm_params.tp_dst_offset;

nsprpub/pr/src/pthreads/ptsynch.c

@@ -196,7 +196,7 @@ PR_IMPLEMENT(void) PR_DestroyLock(PRLock *lock)
     memset(lock, 0xaf, sizeof(PRLock));
     pt_debug.locks_destroyed += 1;
 #endif
-    PR_DELETE(lock);
+    PR_Free(lock);
 }  /* PR_DestroyLock */
 
 PR_IMPLEMENT(void) PR_Lock(PRLock *lock)
@@ -374,7 +374,7 @@ PR_IMPLEMENT(void) PR_DestroyCondVar(PRCondVar *cvar)
         memset(cvar, 0xaf, sizeof(PRCondVar));
         pt_debug.cvars_destroyed += 1;
 #endif
-        PR_DELETE(cvar);
+        PR_Free(cvar);
     }
 }  /* PR_DestroyCondVar */
 
@@ -463,6 +463,7 @@ PR_IMPLEMENT(PRMonitor*) PR_NewMonitor(void)
 {
     PRMonitor *mon;
     PRCondVar *cvar;
+    int rv;
 
     if (!_pr_initialized) _PR_ImplicitInitialization();
 
@@ -473,11 +474,22 @@ PR_IMPLEMENT(PRMonitor*) PR_NewMonitor(void)
         return NULL;
     }
     mon = PR_NEWZAP(PRMonitor);
-    if (mon != NULL)
+    if (mon == NULL)
     {
-        int rv;
+        PR_Free(cvar);
+        PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
+        return NULL;
+    }
+
     rv = _PT_PTHREAD_MUTEX_INIT(mon->lock.mutex, _pt_mattr); 
     PR_ASSERT(0 == rv);
+    if (0 != rv)
+    {
+        PR_Free(mon);
+        PR_Free(cvar);
+        PR_SetError(PR_OPERATION_NOT_SUPPORTED_ERROR, 0);
+        return NULL;
+    }
 
     _PT_PTHREAD_INVALIDATE_THR_HANDLE(mon->owner);
 
@@ -488,10 +500,11 @@ PR_IMPLEMENT(PRMonitor*) PR_NewMonitor(void)
     mon->cvar->lock = &mon->lock;
     if (0 != rv)
     {
-            PR_DELETE(mon);
+        pthread_mutex_destroy(&mon->lock.mutex);
-            PR_DELETE(cvar);
+        PR_Free(mon);
-            mon = NULL;
+        PR_Free(cvar);
-        }
+        PR_SetError(PR_OPERATION_NOT_SUPPORTED_ERROR, 0);
+        return NULL;
     }
     return mon;
 }  /* PR_NewMonitor */
@@ -513,7 +526,7 @@ PR_IMPLEMENT(void) PR_DestroyMonitor(PRMonitor *mon)
 #if defined(DEBUG)
         memset(mon, 0xaf, sizeof(PRMonitor));
 #endif
-    PR_DELETE(mon);    
+    PR_Free(mon);    
 }  /* PR_DestroyMonitor */
 
 
@@ -674,7 +687,7 @@ PR_IMPLEMENT(void) PR_DestroySem(PRSemaphore *semaphore)
         "PR_DestroySem", "locks & condition variables");
     PR_DestroyLock(semaphore->cvar->lock);
     PR_DestroyCondVar(semaphore->cvar);
-    PR_DELETE(semaphore);
+    PR_Free(semaphore);
 }  /* PR_DestroySem */
 
 PR_IMPLEMENT(PRSemaphore*) PR_NewSem(PRUintn value)
@@ -700,7 +713,7 @@ PR_IMPLEMENT(PRSemaphore*) PR_NewSem(PRUintn value)
             }
             PR_DestroyLock(lock);
         }
-        PR_DELETE(semaphore);
+        PR_Free(semaphore);
     }
     return NULL;
 }
@@ -757,7 +770,7 @@ PR_IMPLEMENT(PRSem *) PR_OpenSemaphore(
     if ((sem_t *) -1 == sem->sem)
     {
         _PR_MD_MAP_DEFAULT_ERROR(errno);
-        PR_DELETE(sem);
+        PR_Free(sem);
         return NULL;
     }
     return sem;
@@ -796,7 +809,7 @@ PR_IMPLEMENT(PRStatus) PR_CloseSemaphore(PRSem *sem)
         _PR_MD_MAP_DEFAULT_ERROR(errno);
         return PR_FAILURE;
     }
-    PR_DELETE(sem);
+    PR_Free(sem);
     return PR_SUCCESS;
 }
 
@@ -907,7 +920,7 @@ PR_IMPLEMENT(PRSem *) PR_OpenSemaphore(
             if (semctl(sem->semid, 0, SETVAL, arg) == -1)
             {
                 _PR_MD_MAP_DEFAULT_ERROR(errno);
-                PR_DELETE(sem);
+                PR_Free(sem);
                 return NULL;
             }
             /* call semop to set sem_otime to nonzero */
@@ -917,7 +930,7 @@ PR_IMPLEMENT(PRSem *) PR_OpenSemaphore(
             if (semop(sem->semid, &sop, 1) == -1)
             {
                 _PR_MD_MAP_DEFAULT_ERROR(errno);
-                PR_DELETE(sem);
+                PR_Free(sem);
                 return NULL;
             }
             return sem;
@@ -926,7 +939,7 @@ PR_IMPLEMENT(PRSem *) PR_OpenSemaphore(
         if (errno != EEXIST || flags & PR_SEM_EXCL)
         {
             _PR_MD_MAP_DEFAULT_ERROR(errno);
-            PR_DELETE(sem);
+            PR_Free(sem);
             return NULL;
         }
     }
@@ -935,7 +948,7 @@ PR_IMPLEMENT(PRSem *) PR_OpenSemaphore(
     if (sem->semid == -1)
     {
         _PR_MD_MAP_DEFAULT_ERROR(errno);
-        PR_DELETE(sem);
+        PR_Free(sem);
         return NULL;
     }
     for (i = 0; i < MAX_TRIES; i++)
@@ -948,7 +961,7 @@ PR_IMPLEMENT(PRSem *) PR_OpenSemaphore(
     if (i == MAX_TRIES)
     {
         PR_SetError(PR_IO_TIMEOUT_ERROR, 0);
-        PR_DELETE(sem);
+        PR_Free(sem);
         return NULL;
     }
     return sem;
@@ -986,7 +999,7 @@ PR_IMPLEMENT(PRStatus) PR_PostSemaphore(PRSem *sem)
 
 PR_IMPLEMENT(PRStatus) PR_CloseSemaphore(PRSem *sem)
 {
-    PR_DELETE(sem);
+    PR_Free(sem);
     return PR_SUCCESS;
 }
 
@@ -1112,7 +1125,7 @@ PR_IMPLEMENT(void) PRP_DestroyNakedCondVar(PRCondVar *cvar)
 #if defined(DEBUG)
         memset(cvar, 0xaf, sizeof(PRCondVar));
 #endif
-    PR_DELETE(cvar);
+    PR_Free(cvar);
 }  /* PRP_DestroyNakedCondVar */
 
 PR_IMPLEMENT(PRStatus) PRP_NakedWait(

nsprpub/pr/tests/Makefile.in

@@ -450,6 +450,11 @@ LIBPTHREAD = -ldce
 endif
 endif
 
+ifeq ($(OS_TARGET),Android)
+LDOPTS=$(OS_LDFLAGS)
+LIBPTHREAD=
+XCFLAGS=${OS_CFLAGS}
+endif
 
 #####################################################
 #