aboutsummaryrefslogtreecommitdiffstats
path: root/community/openjdk8/icedtea-hotspot-uclibc-fixes.patch
blob: 1c1d8227600320d72e3d487997a5e263d651366c (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
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