From 58911e9de888aece29f491995a8b8a31f7d6b424 Mon Sep 17 00:00:00 2001
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From: Patrick Zhang <patrick.zhang@amperecomputing.com>
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Date: Wed, 05 Feb 2020 17:14:15 -0700
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Subject: [PATCH] fix gcc 10 support
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This patch fixes the "multiple definition" link errors with GCC10 due to
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GCC10 setting -fno-common by default.
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This is a combination of the following upstream commits:
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- https://hg.openjdk.java.net/jdk/jdk/rev/8e6fa89397ca
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- https://hg.openjdk.java.net/jdk/jdk/rev/6925fca95959
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- https://hg.openjdk.java.net/jdk/jdk/rev/9e54ea7d9cd9
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Signed-off-by: Patrick Zhang <patrick.zhang@amperecomputing.com>
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Signed-off-by: Adam Duskett <Aduskett@gmail.com>
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---
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src/java.base/unix/native/libjava/childproc.c | 1 +
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src/java.base/unix/native/libjava/childproc.h | 2 +-
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.../share/native/libj2gss/NativeFunc.c | 3 +++
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.../share/native/libj2gss/NativeFunc.h | 2 +-
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src/jdk.sctp/unix/native/libsctp/Sctp.h | 12 ++++++------
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src/jdk.sctp/unix/native/libsctp/SctpNet.c | 7 +++++++
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6 files changed, 19 insertions(+), 8 deletions(-)
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diff --git a/src/java.base/unix/native/libjava/childproc.c b/src/java.base/unix/native/libjava/childproc.c
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index 811aaeac5..16480bfbf 100644
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--- a/src/java.base/unix/native/libjava/childproc.c
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+++ b/src/java.base/unix/native/libjava/childproc.c
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@@ -34,6 +34,7 @@
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#include "childproc.h"
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+const char * const *parentPathv;
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ssize_t
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restartableWrite(int fd, const void *buf, size_t count)
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diff --git a/src/java.base/unix/native/libjava/childproc.h b/src/java.base/unix/native/libjava/childproc.h
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index 091150930..d57e44b6e 100644
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--- a/src/java.base/unix/native/libjava/childproc.h
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+++ b/src/java.base/unix/native/libjava/childproc.h
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@@ -126,7 +126,7 @@ typedef struct _SpawnInfo {
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* The cached and split version of the JDK's effective PATH.
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* (We don't support putenv("PATH=...") in native code)
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*/
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-const char * const *parentPathv;
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+extern const char * const *parentPathv;
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ssize_t restartableWrite(int fd, const void *buf, size_t count);
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int restartableDup2(int fd_from, int fd_to);
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diff --git a/src/java.security.jgss/share/native/libj2gss/NativeFunc.c b/src/java.security.jgss/share/native/libj2gss/NativeFunc.c
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index da7bc0445..5941f7b5a 100644
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--- a/src/java.security.jgss/share/native/libj2gss/NativeFunc.c
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+++ b/src/java.security.jgss/share/native/libj2gss/NativeFunc.c
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@@ -27,6 +27,9 @@
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#include <stdlib.h>
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#include "NativeFunc.h"
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+/* global GSS function table */
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+GSS_FUNCTION_TABLE_PTR ftab;
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+
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/* standard GSS method names (ordering is from mapfile) */
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static const char RELEASE_NAME[] = "gss_release_name";
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static const char IMPORT_NAME[] = "gss_import_name";
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diff --git a/src/java.security.jgss/share/native/libj2gss/NativeFunc.h b/src/java.security.jgss/share/native/libj2gss/NativeFunc.h
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index 82914387c..e4a4981a3 100644
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--- a/src/java.security.jgss/share/native/libj2gss/NativeFunc.h
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+++ b/src/java.security.jgss/share/native/libj2gss/NativeFunc.h
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@@ -277,6 +277,6 @@ typedef struct GSS_FUNCTION_TABLE {
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typedef GSS_FUNCTION_TABLE *GSS_FUNCTION_TABLE_PTR;
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/* global GSS function table */
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-GSS_FUNCTION_TABLE_PTR ftab;
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+extern GSS_FUNCTION_TABLE_PTR ftab;
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#endif
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diff --git a/src/jdk.sctp/unix/native/libsctp/Sctp.h b/src/jdk.sctp/unix/native/libsctp/Sctp.h
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index cc1367f78..46b07db0a 100644
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--- a/src/jdk.sctp/unix/native/libsctp/Sctp.h
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+++ b/src/jdk.sctp/unix/native/libsctp/Sctp.h
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@@ -322,12 +322,12 @@ typedef int sctp_peeloff_func(int sock, sctp_assoc_t id);
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#endif /* __linux__ */
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-sctp_getladdrs_func* nio_sctp_getladdrs;
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-sctp_freeladdrs_func* nio_sctp_freeladdrs;
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-sctp_getpaddrs_func* nio_sctp_getpaddrs;
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-sctp_freepaddrs_func* nio_sctp_freepaddrs;
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-sctp_bindx_func* nio_sctp_bindx;
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-sctp_peeloff_func* nio_sctp_peeloff;
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+extern sctp_getladdrs_func* nio_sctp_getladdrs;
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+extern sctp_freeladdrs_func* nio_sctp_freeladdrs;
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+extern sctp_getpaddrs_func* nio_sctp_getpaddrs;
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+extern sctp_freepaddrs_func* nio_sctp_freepaddrs;
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+extern sctp_bindx_func* nio_sctp_bindx;
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+extern sctp_peeloff_func* nio_sctp_peeloff;
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jboolean loadSocketExtensionFuncs(JNIEnv* env);
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diff --git a/src/jdk.sctp/unix/native/libsctp/SctpNet.c b/src/jdk.sctp/unix/native/libsctp/SctpNet.c
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index d40c15aa3..ab9b6e093 100644
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--- a/src/jdk.sctp/unix/native/libsctp/SctpNet.c
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+++ b/src/jdk.sctp/unix/native/libsctp/SctpNet.c
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@@ -43,6 +43,13 @@ static jmethodID isaCtrID = 0;
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static const char* nativeSctpLib = "libsctp.so.1";
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static jboolean funcsLoaded = JNI_FALSE;
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+sctp_getladdrs_func* nio_sctp_getladdrs;
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+sctp_freeladdrs_func* nio_sctp_freeladdrs;
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+sctp_getpaddrs_func* nio_sctp_getpaddrs;
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+sctp_freepaddrs_func* nio_sctp_freepaddrs;
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+sctp_bindx_func* nio_sctp_bindx;
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+sctp_peeloff_func* nio_sctp_peeloff;
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+
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JNIEXPORT jint JNICALL DEF_JNI_OnLoad
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(JavaVM *vm, void *reserved) {
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return JNI_VERSION_1_2;
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--
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2.26.2
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