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some uClibc compatibility hacks.
Partly from https://evolvis.org/scm/viewvc.php/jalimo/trunk/oe-overlay/packages/openjdk/openjdk-6-6b18-1.8/
--- w-openjdk-6-1.orig/openjdk-6/hotspot/src/os/linux/vm/os_linux.cpp 2011-02-28 17:03:14.000000000 +0100
+++ w-openjdk-6-1/openjdk-6/hotspot/src/os/linux/vm/os_linux.cpp 2011-08-07 14:30:00.195403776 +0200
@@ -53,7 +53,6 @@
# 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>
@@ -553,9 +552,10 @@
os::Linux::set_glibc_version(str);
} else {
// _CS_GNU_LIBC_VERSION is not supported, try gnu_get_libc_version()
- static char _gnu_libc_version[32];
- jio_snprintf(_gnu_libc_version, sizeof(_gnu_libc_version),
- "glibc %s %s", gnu_get_libc_version(), gnu_get_libc_release());
+ // static char _gnu_libc_version[32];
+ // jio_snprintf(_gnu_libc_version, sizeof(_gnu_libc_version),
+ // "glibc %s %s", gnu_get_libc_version(), gnu_get_libc_release());
+ static char _gnu_libc_version[32] = "2.12";
os::Linux::set_glibc_version(_gnu_libc_version);
}
@@ -2434,10 +2434,8 @@
// 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);
- }
+ void *f;
+ f = dlsym(handle, name);
return f;
}
@@ -4446,7 +4444,21 @@
// 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) {
- return ::getloadavg(loadavg, nelem);
+ 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;
}
void os::pause() {
--- w-openjdk-6-1.orig/openjdk-6/hotspot/make/linux/platform_zero.in 2011-02-28 17:03:13.000000000 +0100
+++ w-openjdk-6-1/openjdk-6/hotspot/make/linux/platform_zero.in 2011-08-07 13:56:56.875281880 +0200
@@ -14,4 +14,4 @@
gnu_dis_arch = zero
-sysdefs = -DLINUX -D_GNU_SOURCE -DCC_INTERP -DZERO -D@ZERO_ARCHDEF@ -DZERO_LIBARCH=\"@ZERO_LIBARCH@\"
+sysdefs = -DLINUX -D_GNU_SOURCE -DCC_INTERP -DZERO -D@ZERO_ARCHDEF@ -DZERO_LIBARCH=\"@ZERO_LIBARCH@\" -D__STDC_LIMIT_MACROS
--- w-openjdk-6-1.orig/openjdk-6/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp 2011-02-28 17:03:22.000000000 +0100
+++ w-openjdk-6-1/openjdk-6/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp 2011-08-07 12:32:09.325489647 +0200
@@ -238,7 +238,7 @@
#endif
inline int g_isnan(double f) { return isnand(f); }
#elif LINUX
-inline int g_isnan(float f) { return isnanf(f); }
+inline int g_isnan(float f) { return __isnanf(f); }
inline int g_isnan(double f) { return isnan(f); }
#else
#error "missing platform-specific definition here"
@@ -252,8 +252,8 @@
// 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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