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void-packages/srcpkgs/openjdk15-bootstrap/files/musl_patches/build.patch

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--- a/make/ReleaseFile.gmk
+++ b/make/ReleaseFile.gmk
@@ -53,6 +53,7 @@ define create-info-file
$(call info-file-item, "JAVA_VERSION_DATE", "$(VERSION_DATE)")
$(call info-file-item, "OS_NAME", "$(RELEASE_FILE_OS_NAME)")
$(call info-file-item, "OS_ARCH", "$(RELEASE_FILE_OS_ARCH)")
+ $(call info-file-item, "LIBC", "musl")
endef
# Param 1 - The file containing the MODULES list
--- a/make/hotspot/lib/CompileJvm.gmk
+++ b/make/hotspot/lib/CompileJvm.gmk
@@ -73,6 +73,7 @@ CFLAGS_VM_VERSION := \
-DHOTSPOT_BUILD_USER='"$(USERNAME)"' \
-DHOTSPOT_VM_DISTRO='"$(HOTSPOT_VM_DISTRO)"' \
-DCPU='"$(OPENJDK_TARGET_CPU_VM_VERSION)"' \
+ -DLIBC='"musl"' \
#
################################################################################
--- a/make/modules/java.base/lib/CoreLibraries.gmk
+++ b/make/modules/java.base/lib/CoreLibraries.gmk
@@ -190,6 +190,7 @@ ifeq ($(call isTargetOs, windows), true)
endif
LIBJLI_CFLAGS += $(LIBZ_CFLAGS)
+LIBJLI_CFLAGS += -DLIBC=\"musl\"
ifneq ($(USE_EXTERNAL_LIBZ), true)
LIBJLI_EXTRA_FILES += \
--- a/src/hotspot/os/linux/os_linux.cpp
+++ b/src/hotspot/os/linux/os_linux.cpp
@@ -102,7 +102,6 @@
# include <string.h>
# include <syscall.h>
# include <sys/sysinfo.h>
-# include <gnu/libc-version.h>
# include <sys/ipc.h>
# include <sys/shm.h>
# include <link.h>
@@ -597,6 +596,12 @@ void os::Linux::hotspot_sigmask(Thread* thread) {
// detecting pthread library
void os::Linux::libpthread_init() {
+#if !defined(__GLIBC__) && !defined(__UCLIBC__)
+ // Hard code Alpine Linux supported musl compatible settings
+ // sgn: NPTL is correct, don't know about glibc 2.9, alpine's thing?
+ os::Linux::set_glibc_version("glibc 2.9");
+ os::Linux::set_libpthread_version("NPTL");
+#else
// Save glibc and pthread version strings.
#if !defined(_CS_GNU_LIBC_VERSION) || \
!defined(_CS_GNU_LIBPTHREAD_VERSION)
@@ -614,6 +619,7 @@ void os::Linux::libpthread_init() {
str = (char *)malloc(n, mtInternal);
confstr(_CS_GNU_LIBPTHREAD_VERSION, str, n);
os::Linux::set_libpthread_version(str);
+#endif
}
/////////////////////////////////////////////////////////////////////////////
@@ -3117,20 +3123,36 @@ void os::Linux::sched_getcpu_init() {
extern "C" JNIEXPORT void numa_warn(int number, char *where, ...) { }
extern "C" JNIEXPORT void numa_error(char *where) { }
+static void* dlvsym_if_available(void* handle, const char* name, const char* version) {
+ typedef void* (*dlvsym_func_type)(void* handle, const char* name, const char* version);
+ static dlvsym_func_type dlvsym_func;
+ static bool initialized = false;
+
+ if (!initialized) {
+ dlvsym_func = (dlvsym_func_type)dlsym(RTLD_NEXT, "dlvsym");
+ initialized = true;
+ }
+
+ if (dlvsym_func != NULL) {
+ void *f = dlvsym_func(handle, name, version);
+ if (f != NULL) {
+ return f;
+ }
+ }
+
+ return dlsym(handle, name);
+}
+
// Handle request to load libnuma symbol version 1.1 (API v1). If it fails
// load symbol from base version instead.
void* os::Linux::libnuma_dlsym(void* handle, const char *name) {
- void *f = dlvsym(handle, name, "libnuma_1.1");
- if (f == NULL) {
- f = dlsym(handle, name);
- }
- return f;
+ return dlvsym_if_available(handle, name, "libnuma_1.1");
}
// Handle request to load libnuma symbol version 1.2 (API v2) only.
// Return NULL if the symbol is not defined in this particular version.
void* os::Linux::libnuma_v2_dlsym(void* handle, const char* name) {
- return dlvsym(handle, name, "libnuma_1.2");
+ return dlvsym_if_available(handle, name, "libnuma_1.2");
}
bool os::Linux::libnuma_init() {
--- a/src/hotspot/os_cpu/linux_x86/os_linux_x86.cpp
+++ b/src/hotspot/os_cpu/linux_x86/os_linux_x86.cpp
@@ -75,9 +75,6 @@
# include <pwd.h>
# include <poll.h>
# include <ucontext.h>
-#ifndef AMD64
-# include <fpu_control.h>
-#endif
#ifdef AMD64
#define REG_SP REG_RSP
--- a/src/hotspot/share/gc/shared/genCollectedHeap.cpp
+++ b/src/hotspot/share/gc/shared/genCollectedHeap.cpp
@@ -1116,7 +1116,7 @@ HeapWord* GenCollectedHeap::allocate_new_tlab(size_t min_size,
static ScratchBlock *removeSmallestScratch(ScratchBlock **prev_ptr) {
bool first = true;
size_t min_size = 0; // "first" makes this conceptually infinite.
- ScratchBlock **smallest_ptr, *smallest;
+ ScratchBlock **smallest_ptr = NULL, *smallest;
ScratchBlock *cur = *prev_ptr;
while (cur) {
assert(*prev_ptr == cur, "just checking");
--- a/src/hotspot/share/runtime/abstract_vm_version.cpp
+++ b/src/hotspot/share/runtime/abstract_vm_version.cpp
@@ -262,7 +262,7 @@ const char* Abstract_VM_Version::internal_vm_info_string() {
#endif
#define INTERNAL_VERSION_SUFFIX VM_RELEASE ")" \
- " for " OS "-" CPU FLOAT_ARCH_STR \
+ " for " OS "-" CPU FLOAT_ARCH_STR LIBC \
" JRE (" VERSION_STRING "), built on " HOTSPOT_BUILD_TIME \
" by " XSTR(HOTSPOT_BUILD_USER) " with " HOTSPOT_BUILD_COMPILER
--- a/src/hotspot/share/utilities/globalDefinitions_gcc.hpp
+++ b/src/hotspot/share/utilities/globalDefinitions_gcc.hpp
@@ -204,7 +204,7 @@ inline int g_isnan(double f) { return isnand(f); }
#elif defined(__APPLE__)
inline int g_isnan(double f) { return isnan(f); }
#elif defined(LINUX) || defined(_ALLBSD_SOURCE)
-inline int g_isnan(float f) { return isnanf(f); }
+inline int g_isnan(float f) { return isnan(f); }
inline int g_isnan(double f) { return isnan(f); }
#else
#error "missing platform-specific definition here"
--- a/src/java.base/linux/native/libnet/linux_close.c
+++ b/src/java.base/linux/native/libnet/linux_close.c
@@ -60,7 +60,7 @@ typedef struct {
/*
* Signal to unblock thread
*/
-static int sigWakeup = (__SIGRTMAX - 2);
+static int sigWakeup;
/*
* fdTable holds one entry per file descriptor, up to a certain
@@ -149,6 +149,7 @@ static void __attribute((constructor)) init() {
/*
* Setup the signal handler
*/
+ sigWakeup = SIGRTMAX - 2;
sa.sa_handler = sig_wakeup;
sa.sa_flags = 0;
sigemptyset(&sa.sa_mask);
--- a/src/java.base/unix/native/libjava/childproc.c
+++ b/src/java.base/unix/native/libjava/childproc.c
@@ -235,7 +235,13 @@ JDK_execvpe(int mode, const char *file,
{
if (envp == NULL || (char **) envp == environ) {
execvp(file, (char **) argv);
- return;
+ // ENOEXEC indicates that the file header was not recognized. The musl C
+ // library does not implement the fallback to /bin/sh for that case, so fall
+ // through to the code below which implements that fallback using
+ // execve_with_shell_fallback.
+ if (errno != ENOEXEC) {
+ return;
+ }
}
if (*file == '\0') {
--- a/src/java.base/unix/native/libjava/jdk_util_md.h
+++ b/src/java.base/unix/native/libjava/jdk_util_md.h
@@ -37,7 +37,7 @@
#define ISNAND(d) isnan(d)
#elif defined(__linux__) || defined(_ALLBSD_SOURCE)
#include <math.h>
-#define ISNANF(f) isnanf(f)
+#define ISNANF(f) isnan(f)
#define ISNAND(d) isnan(d)
#elif defined(_AIX)
#include <math.h>
--- a/src/java.base/unix/native/libjli/java_md.c
+++ b/src/java.base/unix/native/libjli/java_md.c
@@ -230,6 +230,39 @@ RequiresSetenv(const char *jvmpath) {
char *dmllp = NULL;
char *p; /* a utility pointer */
+#ifdef __linux
+#ifndef LIBC
+#error "LIBC not set"
+#endif
+
+ if (strcmp(LIBC, "musl") == 0) {
+ /*
+ * The musl library loader requires LD_LIBRARY_PATH to be set in
+ * order to correctly resolve the dependency libjava.so has on libjvm.so.
+ *
+ * Specifically, it differs from glibc in the sense that even if
+ * libjvm.so has already been loaded it will not be considered a
+ * candidate for resolving the dependency unless the *full* path
+ * of the already loaded library matches the dependency being loaded.
+ *
+ * libjvm.so is being loaded by the launcher using a long path to
+ * dlopen, not just the basename of the library. Typically this
+ * is something like "../lib/server/libjvm.so". However, if/when
+ * libjvm.so later tries to dlopen libjava.so (which it does in
+ * order to get access to a few functions implemented in
+ * libjava.so) the musl loader will, as part of loading
+ * dependent libraries, try to load libjvm.so using only its
+ * basename "libjvm.so". Since this does not match the longer
+ * path path it was first loaded with, the already loaded
+ * library is not considered a candidate, and the loader will
+ * instead look for libjvm.so elsewhere. If it's not in
+ * LD_LIBRARY_PATH the dependency load will fail, and libjava.so
+ * will therefore fail as well.
+ */
+ return JNI_TRUE;
+ }
+#endif
+
#ifdef AIX
/* We always have to set the LIBPATH on AIX because ld doesn't support $ORIGIN. */
return JNI_TRUE;
--- a/src/java.base/unix/native/libnio/ch/NativeThread.c
+++ b/src/java.base/unix/native/libnio/ch/NativeThread.c
@@ -36,7 +36,7 @@
#ifdef __linux__
#include <pthread.h>
/* Also defined in net/linux_close.c */
- #define INTERRUPT_SIGNAL (__SIGRTMAX - 2)
+ #define INTERRUPT_SIGNAL (SIGRTMAX - 2)
#elif defined(_AIX)
#include <pthread.h>
/* Also defined in net/aix_close.c */
--- a/src/jdk.jdwp.agent/share/native/libjdwp/util.h
+++ b/src/jdk.jdwp.agent/share/native/libjdwp/util.h
@@ -35,15 +35,15 @@
#ifdef DEBUG
/* Just to make sure these interfaces are not used here. */
#undef free
- #define free(p) Do not use this interface.
+ #define free do_not_use_this_interface_free
#undef malloc
- #define malloc(p) Do not use this interface.
+ #define malloc do_not_use_this_interface_malloc
#undef calloc
- #define calloc(p) Do not use this interface.
+ #define calloc do_not_use_this_interface_calloc
#undef realloc
- #define realloc(p) Do not use this interface.
+ #define realloc do_not_use_this_interface_realloc
#undef strdup
- #define strdup(p) Do not use this interface.
+ #define strdup do_not_use_this_interface_strdup
#endif
#include "log_messages.h"
--- a/test/hotspot/jtreg/runtime/StackGuardPages/exeinvoke.c
+++ b/test/hotspot/jtreg/runtime/StackGuardPages/exeinvoke.c
@@ -33,6 +33,7 @@
#include <assert.h>
#include <jni.h>
+#include <jvm.h>
#include <alloca.h>
#include <signal.h>
#include <string.h>
@@ -91,6 +92,20 @@ void set_signal_handler() {
}
}
+int get_java_stacksize () {
+ size_t stacksize;
+ pthread_attr_t attr;
+ JDK1_1InitArgs jdk_args;
+
+ jdk_args.version = JNI_VERSION_1_1;
+ JNI_GetDefaultJavaVMInitArgs(&jdk_args);
+ if (jdk_args.javaStackSize <= 0) {
+ fprintf(stderr, "Test ERROR. Can't get a valid value for the default stacksize.\n");
+ exit(7);
+ }
+ return jdk_args.javaStackSize;
+}
+
void *run_java_overflow (void *p) {
JNIEnv *env;
jclass class_id;
@@ -258,13 +273,19 @@ int main (int argc, const char** argv) {
exit(7);
}
+ int stack_size = get_java_stacksize();
pthread_t thr;
+ pthread_attr_t thread_attr;
+
+ pthread_attr_init(&thread_attr);
+ pthread_attr_setstacksize(&thread_attr, stack_size);
if (argc > 1 && strcmp(argv[1], "test_java_overflow") == 0) {
printf("\nTesting JAVA_OVERFLOW\n");
printf("Testing stack guard page behaviour for other thread\n");
- pthread_create (&thr, NULL, run_java_overflow, NULL);
+
+ pthread_create (&thr, &thread_attr, run_java_overflow, NULL);
pthread_join (thr, NULL);
printf("Testing stack guard page behaviour for initial thread\n");
@@ -277,7 +298,7 @@ int main (int argc, const char** argv) {
printf("\nTesting NATIVE_OVERFLOW\n");
printf("Testing stack guard page behaviour for other thread\n");
- pthread_create (&thr, NULL, run_native_overflow, NULL);
+ pthread_create (&thr, &thread_attr, run_native_overflow, NULL);
pthread_join (thr, NULL);
printf("Testing stack guard page behaviour for initial thread\n");
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