diff options
Diffstat (limited to 'libjava/classpath/native/jni/java-lang')
10 files changed, 2146 insertions, 0 deletions
diff --git a/libjava/classpath/native/jni/java-lang/.cvsignore b/libjava/classpath/native/jni/java-lang/.cvsignore new file mode 100644 index 000000000..e9f2658a6 --- /dev/null +++ b/libjava/classpath/native/jni/java-lang/.cvsignore @@ -0,0 +1,8 @@ +*.o +*.a +*.lo +*.la +.libs +.deps +Makefile +Makefile.in diff --git a/libjava/classpath/native/jni/java-lang/Makefile.am b/libjava/classpath/native/jni/java-lang/Makefile.am new file mode 100644 index 000000000..e1bc7ce71 --- /dev/null +++ b/libjava/classpath/native/jni/java-lang/Makefile.am @@ -0,0 +1,20 @@ +nativeexeclib_LTLIBRARIES = libjavalang.la libjavalangreflect.la libjavalangmanagement.la + +libjavalang_la_SOURCES = java_lang_VMSystem.c \ + java_lang_VMFloat.c \ + java_lang_VMDouble.c \ + java_lang_VMMath.c \ + java_lang_VMProcess.c + +libjavalang_la_LIBADD = $(top_builddir)/native/fdlibm/libfdlibm.la \ + $(top_builddir)/native/jni/classpath/jcl.lo \ + $(top_builddir)/native/jni/native-lib/libclasspathnative.la + 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b/libjava/classpath/native/jni/java-lang/gnu_java_lang_management_VMOperatingSystemMXBeanImpl.c @@ -0,0 +1,65 @@ +/* VMOperatingSystemMXBeanImpl.c - gnu.java.lang.management native functions + Copyright (C) 2006 + Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +#include <config.h> + +#if defined HAVE_SYS_LOADAVG_H /* Get getloadavg() on Solaris 9 */ +#include <sys/loadavg.h> +#else +#include <stdlib.h> +#endif + +#include "gnu_java_lang_management_VMOperatingSystemMXBeanImpl.h" + +/* + * Class: gnu_java_lang_management_VMOperatingSystemMXBeanImpl + * Method: getSystemLoadAverage + * Signature: ()D + */ +JNIEXPORT jdouble JNICALL +Java_gnu_java_lang_management_VMOperatingSystemMXBeanImpl_getSystemLoadAverage (JNIEnv * env __attribute__ ((__unused__)), jclass cls __attribute__ ((__unused__))) +{ +#ifdef HAVE_GETLOADAVG + double avg[1]; + int nos = getloadavg(avg, 1); + if (nos == 1) + return avg[0]; + else +#endif + return -1; +} diff --git a/libjava/classpath/native/jni/java-lang/java_lang_VMDouble.c b/libjava/classpath/native/jni/java-lang/java_lang_VMDouble.c new file mode 100644 index 000000000..e915a3089 --- /dev/null +++ b/libjava/classpath/native/jni/java-lang/java_lang_VMDouble.c @@ -0,0 +1,455 @@ +/* VMDouble.c - java.lang.VMDouble native functions + Copyright (C) 1998, 1999, 2001, 2003, 2004, 2005, 2006, 2007 + Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +#include <assert.h> +#include <config.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> + +#include "mprec.h" +#include "fdlibm.h" +#include "jcl.h" + +#include "java_lang_VMDouble.h" + +static jclass clsDouble; +static jmethodID isNaNID; +static jdouble NEGATIVE_INFINITY; +static jdouble POSITIVE_INFINITY; +static jdouble NaN; + +/* + * Class: java_lang_VMDouble + * Method: initIDs + * Signature: ()V + */ +JNIEXPORT void JNICALL +Java_java_lang_VMDouble_initIDs (JNIEnv * env, jclass cls __attribute__ ((__unused__))) +{ + jfieldID negInfID; + jfieldID posInfID; + jfieldID nanID; + + clsDouble = (*env)->FindClass (env, "java/lang/Double"); + if (clsDouble == NULL) + { + DBG ("unable to get class java.lang.Double\n") return; + } + clsDouble = (*env)->NewGlobalRef(env, clsDouble); + if (clsDouble == NULL) + { + DBG ("unable to register class java.lang.Double as global ref\n") return; + } + isNaNID = (*env)->GetStaticMethodID (env, clsDouble, "isNaN", "(D)Z"); + if (isNaNID == NULL) + { + DBG ("unable to determine method id of isNaN\n") return; + } + negInfID = (*env)->GetStaticFieldID (env, clsDouble, "NEGATIVE_INFINITY", "D"); + if (negInfID == NULL) + { + DBG ("unable to determine field id of NEGATIVE_INFINITY\n") return; + } + posInfID = (*env)->GetStaticFieldID (env, clsDouble, "POSITIVE_INFINITY", "D"); + if (posInfID == NULL) + { + DBG ("unable to determine field id of POSITIVE_INFINITY\n") return; + } + nanID = (*env)->GetStaticFieldID (env, clsDouble, "NaN", "D"); + if (posInfID == NULL) + { + DBG ("unable to determine field id of NaN\n") return; + } + POSITIVE_INFINITY = (*env)->GetStaticDoubleField (env, clsDouble, posInfID); + NEGATIVE_INFINITY = (*env)->GetStaticDoubleField (env, clsDouble, negInfID); + NaN = (*env)->GetStaticDoubleField (env, clsDouble, nanID); + +#ifdef DEBUG + fprintf (stderr, "java.lang.Double.initIDs() POSITIVE_INFINITY = %g\n", + POSITIVE_INFINITY); + fprintf (stderr, "java.lang.Double.initIDs() NEGATIVE_INFINITY = %g\n", + NEGATIVE_INFINITY); + fprintf (stderr, "java.lang.Double.initIDs() NaN = %g\n", NaN); +#endif +} + +/* + * Class: java_lang_VMDouble + * Method: doubleToRawLongBits + * Signature: (D)J + */ +JNIEXPORT jlong JNICALL +Java_java_lang_VMDouble_doubleToRawLongBits + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble doubleValue) +{ + jvalue val; + + val.d = doubleValue; + +#if defined(__IEEE_BYTES_LITTLE_ENDIAN) + /* On little endian ARM processors when using FPA, word order of + doubles is still big endian. So take that into account here. When + using VFP, word order of doubles follows byte order. */ + +#define SWAP_DOUBLE(a) (((a) << 32) | (((a) >> 32) & 0x00000000ffffffff)) + + val.j = SWAP_DOUBLE(val.j); +#endif + + return val.j; +} + +/* + * Class: java_lang_VMDouble + * Method: longBitsToDouble + * Signature: (J)D + */ +JNIEXPORT jdouble JNICALL +Java_java_lang_VMDouble_longBitsToDouble + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jlong longValue) +{ + jvalue val; + + val.j = longValue; + +#if defined(__IEEE_BYTES_LITTLE_ENDIAN) + val.j = SWAP_DOUBLE(val.j); +#endif + + return val.d; +} + +/** + * Parse a double from a char array. + */ +static jdouble +parseDoubleFromChars(JNIEnv * env, const char * buf) +{ + char *endptr; + jdouble val = 0.0; + const char *p = buf, *end, *last_non_ws, *temp; + int ok = 1; + +#ifdef DEBUG + fprintf (stderr, "java.lang.VMDouble.parseDouble (%s)\n", buf); +#endif + + /* Trim the buffer, similar to String.trim(). First the leading + characters. */ + while (*p && *p <= ' ') + ++p; + + /* Find the last non-whitespace character. This method is safe + even with multi-byte UTF-8 characters. */ + end = p; + last_non_ws = NULL; + while (*end) + { + if (*end > ' ') + last_non_ws = end; + ++end; + } + + if (last_non_ws == NULL) + last_non_ws = p + strlen (p); + else + { + /* Skip past the last non-whitespace character. */ + ++last_non_ws; + } + + /* Check for infinity and NaN */ + temp = p; + if (temp[0] == '+' || temp[0] == '-') + temp++; + if (strncmp ("Infinity", temp, (size_t) 8) == 0) + { + if (p[0] == '-') + return NEGATIVE_INFINITY; + return POSITIVE_INFINITY; + } + if (strncmp ("NaN", temp, (size_t) 3) == 0) + return NaN; + + /* Skip a trailing `f' or `d'. */ + if (last_non_ws > p + && (last_non_ws[-1] == 'f' + || last_non_ws[-1] == 'F' + || last_non_ws[-1] == 'd' || last_non_ws[-1] == 'D')) + --last_non_ws; + + if (last_non_ws > p) + { + struct _Jv_reent reent; + memset (&reent, 0, sizeof reent); + + val = _strtod_r (&reent, p, &endptr); + +#ifdef DEBUG + fprintf (stderr, "java.lang.VMDouble.parseDouble val = %g\n", val); + fprintf (stderr, "java.lang.VMDouble.parseDouble %p != %p ???\n", + endptr, last_non_ws); +#endif + if (endptr != last_non_ws) + ok = 0; + } + else + ok = 0; + + if (!ok) + { + val = 0.0; + JCL_ThrowException (env, + "java/lang/NumberFormatException", + "unable to parse double"); + } + + return val; +} + +#define MAXIMAL_DECIMAL_STRING_LENGTH 64 + +/** + * Use _dtoa to print a double or a float as a string with the given precision. + */ +static void +dtoa_toString +(char * buffer, jdouble value, jint precision, jboolean isFloat) +{ + const int DTOA_MODE = 2; + char result[MAXIMAL_DECIMAL_STRING_LENGTH]; + int decpt, sign; + char *s, *d; + int i; + + /* use mode 2 to get at the digit stream, all other modes are useless + * + * since mode 2 only gives us as many digits as we need in precision, we need to + * add the digits in front of the floating point to it, if there is more than one + * to be printed. That's the case if the value is going to be printed using the + * normal notation, i.e. if it is 0 or >= 1.0e-3 and < 1.0e7. + */ + int digits_in_front_of_floating_point = ceil(log10(value)); + + if (digits_in_front_of_floating_point > 1 && digits_in_front_of_floating_point < 7) + precision += digits_in_front_of_floating_point; + + _dtoa (value, DTOA_MODE, precision, &decpt, &sign, NULL, buffer, (int) isFloat); + + value = fabs (value); + + s = buffer; + d = result; + + /* Handle negative sign */ + if (sign) + *d++ = '-'; + + /* Handle normal represenation */ + if ((value >= 1e-3 && value < 1e7) || (value == 0)) + { + if (decpt <= 0) + *d++ = '0'; + else + { + for (i = 0; i < decpt; i++) + if (*s) + *d++ = *s++; + else + *d++ = '0'; + } + + *d++ = '.'; + + if (*s == 0) + { + *d++ = '0'; + decpt++; + } + + while (decpt++ < 0) + *d++ = '0'; + + while (*s) + *d++ = *s++; + + *d = 0; + + } + /* Handle scientific representaiton */ + else + { + *d++ = *s++; + decpt--; + *d++ = '.'; + + if (*s == 0) + *d++ = '0'; + + while (*s) + *d++ = *s++; + + *d++ = 'E'; + + if (decpt < 0) + { + *d++ = '-'; + decpt = -decpt; + } + + { + char exp[4]; + char *e = exp + sizeof exp; + + *--e = 0; + do + { + *--e = '0' + decpt % 10; + decpt /= 10; + } + while (decpt > 0); + + while (*e) + *d++ = *e++; + } + + *d = 0; + } + + /* copy the result into the buffer */ + memcpy(buffer, result, MAXIMAL_DECIMAL_STRING_LENGTH); +} + +/* + * Class: java_lang_VMDouble + * Method: toString + * Signature: (DZ)Ljava/lang/String; + */ +JNIEXPORT jstring JNICALL +Java_java_lang_VMDouble_toString + (JNIEnv * env, jclass cls __attribute__ ((__unused__)), jdouble value, jboolean isFloat) +{ + char buf[MAXIMAL_DECIMAL_STRING_LENGTH]; + const jint MAXIMAL_FLOAT_PRECISION = 10; + const jint MAXIMAL_DOUBLE_PRECISION = 19; + + jint maximal_precision; + jint least_necessary_precision = 2; + jboolean parsed_value_unequal; + + if ((*env)->CallStaticBooleanMethod (env, clsDouble, isNaNID, value)) + return (*env)->NewStringUTF (env, "NaN"); + + if (value == POSITIVE_INFINITY) + return (*env)->NewStringUTF (env, "Infinity"); + + if (value == NEGATIVE_INFINITY) + return (*env)->NewStringUTF (env, "-Infinity"); + + if (isFloat) + maximal_precision = MAXIMAL_FLOAT_PRECISION; + else + maximal_precision = MAXIMAL_DOUBLE_PRECISION; + + /* Try to find the 'good enough' precision, + * that results in enough digits being printed to be able to + * convert the number back into the original double, but no + * further digits. + */ + + do { + jdouble parsed_value; + + assert(least_necessary_precision <= maximal_precision); + + /* Convert the value to a string and back. */ + dtoa_toString(buf, value, least_necessary_precision, isFloat); + + parsed_value = parseDoubleFromChars(env, buf); + + /* Check whether the original value, and the value after conversion match. */ + /* We need to cast floats to float to make sure that our ineqality check works + * well for floats as well as for doubles. + */ + parsed_value_unequal = ( isFloat ? + (float) parsed_value != (float) value : + parsed_value != value); + + least_necessary_precision++; + } + while (parsed_value_unequal); + + return (*env)->NewStringUTF (env, buf); +} + +/* + * Class: java_lang_VMDouble + * Method: parseDouble + * Signature: (Ljava/lang/String;)D + */ +JNIEXPORT jdouble JNICALL +Java_java_lang_VMDouble_parseDouble + (JNIEnv * env, jclass cls __attribute__ ((__unused__)), jstring str) +{ + jboolean isCopy; + const char *buf; + jdouble val = 0.0; + + if (str == NULL) + { + JCL_ThrowException (env, "java/lang/NullPointerException", "null"); + return val; + } + + buf = (*env)->GetStringUTFChars (env, str, &isCopy); + if (buf == NULL) + { + /* OutOfMemoryError already thrown */ + } + else + { + val = parseDoubleFromChars(env, buf); + (*env)->ReleaseStringUTFChars (env, str, buf); + } + + return val; +} diff --git a/libjava/classpath/native/jni/java-lang/java_lang_VMFloat.c b/libjava/classpath/native/jni/java-lang/java_lang_VMFloat.c new file mode 100644 index 000000000..acd07ffa5 --- /dev/null +++ b/libjava/classpath/native/jni/java-lang/java_lang_VMFloat.c @@ -0,0 +1,71 @@ +/* VMFloat.c - java.lang.VMFloat native functions + Copyright (C) 1998, 1999, 2003, 2004 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +#include <config.h> + +#include "java_lang_VMFloat.h" + +/* + * Class: java_lang_VMFloat + * Method: floatToRawIntBits + * Signature: (F)I + */ +JNIEXPORT jint JNICALL +Java_java_lang_VMFloat_floatToRawIntBits + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jfloat value) +{ + jvalue u; + u.f = value; + return u.i; +} + +/* + * Class: java_lang_VMFloat + * Method: intBitsToFloat + * Signature: (I)F + */ +JNIEXPORT jfloat JNICALL +Java_java_lang_VMFloat_intBitsToFloat + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jint bits) +{ + jvalue u; + u.i = bits; + return u.f; +} diff --git a/libjava/classpath/native/jni/java-lang/java_lang_VMMath.c b/libjava/classpath/native/jni/java-lang/java_lang_VMMath.c new file mode 100644 index 000000000..de7851f9b --- /dev/null +++ b/libjava/classpath/native/jni/java-lang/java_lang_VMMath.c @@ -0,0 +1,225 @@ +/* VMMath.c - java.lang.VMMath native functions + Copyright (C) 1998, 1999, 2004, 2006 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +#include <config.h> +#include <java_lang_VMMath.h> +#include <fdlibm.h> + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_sin + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x) +{ + return sin (x); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_cos + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x) +{ + return cos (x); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_tan + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x) +{ + return tan (x); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_asin + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x) +{ + return asin (x); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_acos + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x) +{ + return acos (x); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_atan + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x) +{ + return atan (x); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_atan2 + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble y, jdouble x) +{ + return atan2 (y, x); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_exp + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x) +{ + return exp (x); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_log + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x) +{ + return log (x); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_sqrt + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x) +{ + return sqrt (x); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_pow + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x, jdouble y) +{ + return pow (x, y); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_IEEEremainder + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x, jdouble y) +{ + return remainder (x, y); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_ceil + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x) +{ + return ceil (x); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_floor + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x) +{ + return floor (x); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_rint + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x) +{ + return rint (x); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_cbrt + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x) +{ + return cbrt (x); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_cosh + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x) +{ + return cosh (x); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_expm1 + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x) +{ + return expm1 (x); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_hypot + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x, jdouble y) +{ + return hypot (x, y); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_log10 + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x) +{ + return log10 (x); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_log1p + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x) +{ + return log1p (x); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_sinh + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x) +{ + return sinh (x); +} + +JNIEXPORT jdouble JNICALL +Java_java_lang_VMMath_tanh + (JNIEnv * env __attribute__ ((__unused__)), + jclass cls __attribute__ ((__unused__)), jdouble x) +{ + return tanh (x); +} diff --git a/libjava/classpath/native/jni/java-lang/java_lang_VMProcess.c b/libjava/classpath/native/jni/java-lang/java_lang_VMProcess.c new file mode 100644 index 000000000..a6076f2ae --- /dev/null +++ b/libjava/classpath/native/jni/java-lang/java_lang_VMProcess.c @@ -0,0 +1,409 @@ +/* java_lang_VMProcess.c -- native code for java.lang.VMProcess + Copyright (C) 1998, 1999, 2000, 2002, 2004, 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +#include <config.h> + +#include "java_lang_VMProcess.h" +#include "gnu_java_nio_FileChannelImpl.h" + +#include <sys/types.h> +#include <sys/wait.h> +#include <signal.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> + +#include "cpnative.h" +#include "cpproc.h" + +/* Internal functions */ +static char *copy_string (JNIEnv * env, jobject string); +static char *copy_elem (JNIEnv * env, jobject stringArray, jint i); + +/* + * Internal helper function to copy a String in UTF-8 format. + */ +static char * +copy_string (JNIEnv * env, jobject string) +{ + const char *utf; + jclass clazz; + char *copy; + + /* Check for null */ + if (string == NULL) + { + clazz = (*env)->FindClass (env, "java/lang/NullPointerException"); + if ((*env)->ExceptionOccurred (env)) + return NULL; + (*env)->ThrowNew (env, clazz, NULL); + (*env)->DeleteLocalRef (env, clazz); + return NULL; + } + + /* Extract UTF-8 */ + utf = (*env)->GetStringUTFChars (env, string, NULL); + if ((*env)->ExceptionOccurred (env)) + return NULL; + + /* Copy it */ + if ((copy = strdup (utf)) == NULL) + { + clazz = (*env)->FindClass (env, "java/lang/InternalError"); + if ((*env)->ExceptionOccurred (env)) + return NULL; + (*env)->ThrowNew (env, clazz, "strdup returned NULL"); + (*env)->DeleteLocalRef (env, clazz); + } + + /* Done */ + (*env)->ReleaseStringUTFChars (env, string, utf); + return copy; +} + +/* + * Internal helper function to copy a String[] element in UTF-8 format. + */ +static char * +copy_elem (JNIEnv * env, jobject stringArray, jint i) +{ + jobject elem; + char *rtn; + + elem = (*env)->GetObjectArrayElement (env, stringArray, i); + if ((*env)->ExceptionOccurred (env)) + return NULL; + if ((rtn = copy_string (env, elem)) == NULL) + return NULL; + (*env)->DeleteLocalRef (env, elem); + return rtn; +} + +/* + * private final native void nativeSpawn(String[], String[], File) + * throws java/io/IOException + */ +JNIEXPORT void JNICALL +Java_java_lang_VMProcess_nativeSpawn (JNIEnv * env, jobject this, + jobjectArray cmdArray, + jobjectArray envArray, jobject dirFile, + jboolean redirect) +{ + int fds[CPIO_EXEC_NUM_PIPES]; + jobject streams[CPIO_EXEC_NUM_PIPES] = { NULL, NULL, NULL }; + jobject dirString = NULL; + char **newEnviron = NULL; + jsize cmdArrayLen = 0; + jsize envArrayLen = 0; + char **strings = NULL; + int num_strings = 0; + char *dir = NULL; + pid_t pid = -1; + char errbuf[64]; + jmethodID method, vmmethod; + jclass clazz, vmclazz; + int i; + int pipe_count = redirect ? 2 : 3; + int err; + + /* Check for null */ + if (cmdArray == NULL) + goto null_pointer_exception; + + /* Invoke dirFile.getPath() */ + if (dirFile != NULL) + { + clazz = (*env)->FindClass (env, "java/io/File"); + if ((*env)->ExceptionOccurred (env)) + return; + method = (*env)->GetMethodID (env, + clazz, "getPath", "()Ljava/lang/String;"); + if ((*env)->ExceptionOccurred (env)) + return; + dirString = (*env)->CallObjectMethod (env, dirFile, method); + if ((*env)->ExceptionOccurred (env)) + return; + (*env)->DeleteLocalRef (env, clazz); + } + + /* + * Allocate array of C strings. We put all the C strings we need to + * handle the command parameters, the new environment, and the new + * directory into a single array for simplicity of (de)allocation. + */ + cmdArrayLen = (*env)->GetArrayLength (env, cmdArray); + if (cmdArrayLen == 0) + goto null_pointer_exception; + if (envArray != NULL) + envArrayLen = (*env)->GetArrayLength (env, envArray); + if ((strings = malloc (((cmdArrayLen + 1) + + (envArray != NULL ? envArrayLen + 1 : 0) + + (dirString != + NULL ? 1 : 0)) * sizeof (*strings))) == NULL) + { + strncpy (errbuf, "malloc failed", sizeof(errbuf)); + goto out_of_memory; + } + + /* Extract C strings from the various String parameters */ + for (i = 0; i < cmdArrayLen; i++) + { + if ((strings[num_strings++] = copy_elem (env, cmdArray, i)) == NULL) + goto done; + } + strings[num_strings++] = NULL; /* terminate array with NULL */ + if (envArray != NULL) + { + newEnviron = strings + num_strings; + for (i = 0; i < envArrayLen; i++) + { + if ((strings[num_strings++] = copy_elem (env, envArray, i)) == NULL) + goto done; + } + strings[num_strings++] = NULL; /* terminate array with NULL */ + } + if (dirString != NULL) + { + if ((dir = copy_string (env, dirString)) == NULL) + goto done; + } + + /* Create inter-process pipes */ + err = cpproc_forkAndExec(strings, newEnviron, fds, pipe_count, &pid, dir); + if (err != 0) + { + strncpy(errbuf, cpnative_getErrorString (err), sizeof(errbuf)); + goto system_error; + } + + /* Create Input/OutputStream objects around parent file descriptors */ + vmclazz = (*env)->FindClass (env, "gnu/java/nio/VMChannel"); + clazz = (*env)->FindClass (env, "gnu/java/nio/FileChannelImpl"); + if ((*env)->ExceptionOccurred (env)) + goto done; + vmmethod = (*env)->GetMethodID (env, vmclazz, "<init>", "(I)V"); + method = (*env)->GetMethodID (env, clazz, "<init>", "(Lgnu/java/nio/VMChannel;I)V"); + if ((*env)->ExceptionOccurred (env)) + goto done; + for (i = 0; i < pipe_count; i++) + { + /* Mode is WRITE (2) for in and READ (1) for out and err. */ + const int fd = fds[i]; + const int mode = ((i == CPIO_EXEC_STDIN) ? 2 : 1); + jclass sclazz; + jmethodID smethod; + + jobject vmchannel; + jobject channel; + vmchannel = (*env)->NewObject (env, vmclazz, vmmethod, fd); + if ((*env)->ExceptionOccurred (env)) + goto done; + channel = (*env)->NewObject (env, clazz, method, vmchannel, mode); + if ((*env)->ExceptionOccurred (env)) + goto done; + + if (mode == gnu_java_nio_FileChannelImpl_WRITE) + sclazz = (*env)->FindClass (env, "java/io/FileOutputStream"); + else + sclazz = (*env)->FindClass (env, "java/io/FileInputStream"); + if ((*env)->ExceptionOccurred (env)) + goto done; + + smethod = (*env)->GetMethodID (env, sclazz, "<init>", + "(Lgnu/java/nio/FileChannelImpl;)V"); + if ((*env)->ExceptionOccurred (env)) + goto done; + + streams[i] = (*env)->NewObject (env, sclazz, smethod, channel); + if ((*env)->ExceptionOccurred (env)) + goto done; + + (*env)->DeleteLocalRef (env, sclazz); + } + (*env)->DeleteLocalRef (env, clazz); + + /* Invoke VMProcess.setProcessInfo() to update VMProcess object */ + method = (*env)->GetMethodID (env, + (*env)->GetObjectClass (env, this), + "setProcessInfo", + "(Ljava/io/OutputStream;Ljava/io/InputStream;Ljava/io/InputStream;J)V"); + if ((*env)->ExceptionOccurred (env)) + goto done; + (*env)->CallVoidMethod (env, this, method, + streams[CPIO_EXEC_STDIN], + streams[CPIO_EXEC_STDOUT], + streams[CPIO_EXEC_STDERR], + (jlong) pid); + if ((*env)->ExceptionOccurred (env)) + goto done; + +done: + /* + * We get here in both the success and failure cases in the + * parent process. Our goal is to clean up the mess we created. + */ + + /* + * Close parent's ends of pipes if Input/OutputStreams never got created. + * This can only happen in a failure case. If a Stream object + * was created for a file descriptor, we don't close it because it + * will get closed when the Stream object is finalized. + */ + for (i = 0; i < pipe_count; i++) + { + const int fd = fds[i]; + + if (fd != -1 && streams[i] == NULL) + close (fd); + } + + /* Free C strings */ + while (num_strings > 0) + free (strings[--num_strings]); + free (strings); + if (dir != NULL) + free(dir); + /* Done */ + return; + +null_pointer_exception: + clazz = (*env)->FindClass (env, "java/lang/NullPointerException"); + if ((*env)->ExceptionOccurred (env)) + goto done; + (*env)->ThrowNew (env, clazz, NULL); + (*env)->DeleteLocalRef (env, clazz); + goto done; + +out_of_memory: + clazz = (*env)->FindClass (env, "java/lang/InternalError"); + if ((*env)->ExceptionOccurred (env)) + goto done; + (*env)->ThrowNew (env, clazz, errbuf); + (*env)->DeleteLocalRef (env, clazz); + goto done; + +system_error: + clazz = (*env)->FindClass (env, "java/io/IOException"); + if ((*env)->ExceptionOccurred (env)) + goto done; + (*env)->ThrowNew (env, clazz, errbuf); + (*env)->DeleteLocalRef (env, clazz); + goto done; +} + +/* + * private static final native boolean nativeReap() + */ +JNIEXPORT jboolean JNICALL +Java_java_lang_VMProcess_nativeReap (JNIEnv * env, jclass clazz) +{ + char ebuf[64]; + jfieldID field; + jint status; + pid_t pid; + int err; + + /* Try to reap a child process, but don't block */ + err = cpproc_waitpid((pid_t)-1, &status, &pid, WNOHANG); + if (err == 0 && pid == 0) + return JNI_FALSE; + + /* Check result from waitpid() */ + if (err != 0) + { + if (err == ECHILD || err == EINTR) + return JNI_FALSE; + snprintf(ebuf, sizeof (ebuf), "waitpid(%ld): %s", + (long) pid, cpnative_getErrorString(errno)); + clazz = (*env)->FindClass (env, "java/lang/InternalError"); + if ((*env)->ExceptionOccurred (env)) + return JNI_FALSE; + (*env)->ThrowNew (env, clazz, ebuf); + (*env)->DeleteLocalRef (env, clazz); + return JNI_FALSE; + } + + /* Get exit code; for signal termination return negative signal value XXX */ + if (WIFEXITED (status)) + status = (jint) (jbyte) WEXITSTATUS (status); + else if (WIFSIGNALED (status)) + status = -(jint) WTERMSIG (status); + else + return JNI_FALSE; /* process merely stopped; ignore */ + + /* Return process pid and exit status */ + field = (*env)->GetStaticFieldID (env, clazz, "reapedPid", "J"); + if ((*env)->ExceptionOccurred (env)) + return JNI_FALSE; + (*env)->SetStaticLongField (env, clazz, field, (jlong) pid); + if ((*env)->ExceptionOccurred (env)) + return JNI_FALSE; + field = (*env)->GetStaticFieldID (env, clazz, "reapedExitValue", "I"); + if ((*env)->ExceptionOccurred (env)) + return JNI_FALSE; + (*env)->SetStaticIntField (env, clazz, field, status); + if ((*env)->ExceptionOccurred (env)) + return JNI_FALSE; + + /* Done */ + return JNI_TRUE; +} + +/* + * private static final native void nativeKill(long) + */ +JNIEXPORT void JNICALL +Java_java_lang_VMProcess_nativeKill (JNIEnv * env, jclass clazz, jlong pid) +{ + char ebuf[64]; + int err; + + err = cpproc_kill((pid_t) pid, SIGKILL); + if (err != 0) + { + snprintf (ebuf, sizeof (ebuf), "kill(%ld): %s", + (long) pid, cpnative_getErrorString (err)); + clazz = (*env)->FindClass (env, "java/lang/InternalError"); + if ((*env)->ExceptionOccurred (env)) + return; + (*env)->ThrowNew (env, clazz, ebuf); + (*env)->DeleteLocalRef (env, clazz); + } +} diff --git a/libjava/classpath/native/jni/java-lang/java_lang_VMSystem.c b/libjava/classpath/native/jni/java-lang/java_lang_VMSystem.c new file mode 100644 index 000000000..d20322791 --- /dev/null +++ b/libjava/classpath/native/jni/java-lang/java_lang_VMSystem.c @@ -0,0 +1,189 @@ +/* System.c -- native code for java.lang.System + Copyright (C) 1998, 1999, 2000, 2002, 2004 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +#include "java_lang_VMSystem.h" + +#include <jcl.h> + +#include <sys/time.h> +#include <stdlib.h> + +/* + * Class: java_lang_VMSystem + * Method: setIn0 + * Signature: (Ljava/io/InputStream;)V + */ +JNIEXPORT void JNICALL +Java_java_lang_VMSystem_setIn (JNIEnv * env, + jclass thisClass __attribute__ ((__unused__)), + jobject obj) +{ + jclass cls; + jfieldID field; + + cls = JCL_FindClass (env, "java/lang/System"); + if (!cls) + return; + + field = (*env)->GetStaticFieldID (env, cls, "in", "Ljava/io/InputStream;"); + if (!field) + return; + (*env)->SetStaticObjectField (env, cls, field, obj); +} + +/* + * Class: java_lang_VMSystem + * Method: setOut0 + * Signature: (Ljava/io/PrintStream;)V + */ +JNIEXPORT void JNICALL +Java_java_lang_VMSystem_setOut (JNIEnv * env, + jclass thisClass __attribute__ ((__unused__)), + jobject obj) +{ + jclass cls; + jfieldID field; + + cls = JCL_FindClass (env, "java/lang/System"); + if (!cls) + return; + + field = (*env)->GetStaticFieldID (env, cls, "out", "Ljava/io/PrintStream;"); + if (!field) + return; + (*env)->SetStaticObjectField (env, cls, field, obj); +} + +/* + * Class: java_lang_VMSystem + * Method: setErr0 + * Signature: (Ljava/io/PrintStream;)V + */ +JNIEXPORT void JNICALL +Java_java_lang_VMSystem_setErr (JNIEnv * env, + jclass thisClass __attribute__ ((__unused__)), + jobject obj) +{ + jclass cls; + jfieldID field; + + cls = JCL_FindClass (env, "java/lang/System"); + if (!cls) + return; + + field = (*env)->GetStaticFieldID (env, cls, "err", "Ljava/io/PrintStream;"); + if (!field) + return; + (*env)->SetStaticObjectField (env, cls, field, obj); +} + +/* + * Class: java_lang_VMSystem + * Method: nanoTime + * Signature: ()J + */ +JNIEXPORT jlong JNICALL +Java_java_lang_VMSystem_nanoTime + (JNIEnv * env __attribute__ ((__unused__)), + jclass thisClass __attribute__ ((__unused__))) +{ + /* Note: this implementation copied directly from Japhar's, by Chris Toshok. */ + jlong result; + struct timeval tp; + + if (gettimeofday (&tp, NULL) == -1) + (*env)->FatalError (env, "gettimeofday call failed."); + + result = (jlong) tp.tv_sec; + result *= (jlong)1000000L; + result += (jlong)tp.tv_usec; + result *= (jlong)1000; + + return result; +} + +JNIEXPORT jstring JNICALL +Java_java_lang_VMSystem_getenv (JNIEnv * env, + jclass klass __attribute__ ((__unused__)), + jstring jname) +{ + const char *cname; + const char *envname; + + cname = JCL_jstring_to_cstring (env, jname); + if (cname == NULL) + return NULL; + + envname = getenv (cname); + if (envname == NULL) + return NULL; + + JCL_free_cstring (env, jname, cname); + return (*env)->NewStringUTF (env, envname); +} + +JNIEXPORT jobject JNICALL +Java_java_lang_VMSystem_environ (JNIEnv *env, + jclass klass __attribute__((__unused__))) +{ + char **env_pointer; + jobject variables; + jclass list_class; + jmethodID list_constructor; + jmethodID add; + + list_class = (*env)->FindClass(env, "java/util/LinkedList"); + if (list_class == NULL) + return NULL; + list_constructor = (*env)->GetMethodID(env, list_class, "<init>", "()V"); + if (list_constructor == NULL) + return NULL; + variables = (*env)->NewObject(env, list_class, list_constructor); + if (variables == NULL) + return NULL; + add = (*env)->GetMethodID(env, list_class, "add", "(Ljava/lang/Object;)Z"); + if (add == NULL) + return NULL; + env_pointer = environ; + while (*env_pointer != NULL) + { + jstring string = (*env)->NewStringUTF(env, *env_pointer); + (*env)->CallBooleanMethod(env, variables, add, string); + ++env_pointer; + } + return variables; +} diff --git a/libjava/classpath/native/jni/java-lang/java_lang_reflect_VMArray.c b/libjava/classpath/native/jni/java-lang/java_lang_reflect_VMArray.c new file mode 100644 index 000000000..2db68ebf9 --- /dev/null +++ b/libjava/classpath/native/jni/java-lang/java_lang_reflect_VMArray.c @@ -0,0 +1,62 @@ +/* java.lang.reflect.Array native functions + Copyright (C) 1998, 2004 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +/* + * java.lang.reflect.Array native functions. + * Author: John Keiser + * Version: 1.1.0 + * Date: 2 Jun 1998 + */ + +#include <config.h> +#include <stddef.h> + +#include "java_lang_reflect_VMArray.h" + +/* + * Class: java_lang_reflect_Array + * Method: createObjectArray + * Signature: (Ljava/lang/Class;I)Ljava/lang/Object; + */ +JNIEXPORT jobject JNICALL +Java_java_lang_reflect_VMArray_createObjectArray + (JNIEnv * env, + jclass thisClass __attribute__ ((__unused__)), + jclass arrayType, jint arrayLength) +{ + return (jobject) (*env)->NewObjectArray (env, arrayLength, arrayType, NULL); +} |