From acdecf0f389384a5622583946f65d16e6ed45cec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timo=20Ter=C3=A4s?= <timo.teras@iki.fi>
Date: Thu, 20 Feb 2014 07:49:11 +0000
Subject: main/openjdk7: new aport

---
 main/openjdk7/icedtea-hotspot-uclibc-fixes.patch | 93 ++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 main/openjdk7/icedtea-hotspot-uclibc-fixes.patch

(limited to 'main/openjdk7/icedtea-hotspot-uclibc-fixes.patch')

diff --git a/main/openjdk7/icedtea-hotspot-uclibc-fixes.patch b/main/openjdk7/icedtea-hotspot-uclibc-fixes.patch
new file mode 100644
index 000000000..1c1d82276
--- /dev/null
+++ b/main/openjdk7/icedtea-hotspot-uclibc-fixes.patch
@@ -0,0 +1,93 @@
+--- openjdk.orig/hotspot/src/os/linux/vm/os_linux.cpp
++++ openjdk/hotspot/src/os/linux/vm/os_linux.cpp
+@@ -112,7 +112,6 @@
+ # 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>
+@@ -632,6 +631,13 @@
+ // detecting pthread library
+ 
+ void os::Linux::libpthread_init() {
++#if 1
++  // Hard code Alpine Linux supported uclibc/musl compatible settings
++  os::Linux::set_glibc_version("glibc 2.9");
++  os::Linux::set_libpthread_version("NPTL");
++  os::Linux::set_is_NPTL();
++  os::Linux::set_is_floating_stack();
++#else
+   // Save glibc and pthread version strings. Note that _CS_GNU_LIBC_VERSION
+   // and _CS_GNU_LIBPTHREAD_VERSION are supported in glibc >= 2.3.2. Use a
+   // generic name for earlier versions.
+@@ -690,6 +696,7 @@
+   if (os::Linux::is_NPTL() || os::Linux::supports_variable_stack_size()) {
+      os::Linux::set_is_floating_stack();
+   }
++#endif
+ }
+ 
+ /////////////////////////////////////////////////////////////////////////////
+@@ -2951,11 +2958,7 @@
+ // If we are running with earlier version, which did not have symbol versions,
+ // we should use the base version.
+ 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 dlsym(handle, name);
+ }
+ 
+ bool os::Linux::libnuma_init() {
+@@ -5312,7 +5315,25 @@
+ // Linux doesn't yet have a (official) notion of processor sets,
+ // so just return the system wide load average.
+ int os::loadavg(double loadavg[], int nelem) {
++#ifdef __UCLIBC__
++	FILE *LOADAVG;
++	double avg[3] = { 0.0, 0.0, 0.0 };
++	int i, res = -1;;
++
++	if ((LOADAVG = fopen("/proc/loadavg", "r"))) {
++		fscanf(LOADAVG, "%lf %lf %lf", &avg[0], &avg[1], &avg[2]);
++		res = 0;
++		fclose(LOADAVG);
++	}
++
++	for (i = 0; (i < nelem) && (i < 3); i++) {
++		loadavg[i] = avg[i];
++	}
++
++	return res;
++#else
+   return ::getloadavg(loadavg, nelem);
++#endif
+ }
+ 
+ void os::pause() {
+--- openjdk.orig/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp
++++ openjdk/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp
+@@ -253,7 +253,7 @@
+ #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"
+@@ -267,8 +267,8 @@
+ 
+ // Checking for finiteness
+ 
+-inline int g_isfinite(jfloat  f)                 { return finite(f); }
+-inline int g_isfinite(jdouble f)                 { return finite(f); }
++inline int g_isfinite(jfloat  f)                 { return isfinite(f); }
++inline int g_isfinite(jdouble f)                 { return isfinite(f); }
+ 
+ 
+ // Wide characters
-- 
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