mirror of
https://git.busybox.net/buildroot.git
synced 2024-12-15 16:23:25 +08:00
24bc2ff8c1
Webkit support runs pkg-config at build time, so we need to ensure our version gets picked up. Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
102 lines
3.5 KiB
Diff
102 lines
3.5 KiB
Diff
Add pthred_getattr_np / phread_attr_getstrack alternatives for uClibc
|
|
|
|
Based on https://dev.openwrt.org/log/packages/Xorg/lib/qt4/patches/100-fix-webkit-for-uclibc.patch?rev=20371
|
|
|
|
Signed-off-by: Johan Sagaert <sagaert.johan@skynet.be>
|
|
--- qt-everywhere-opensource-src-4.6.2/src/3rdparty/javascriptcore/JavaScriptCore/runtime/Collector.cpp 2010-02-11 16:55:20.000000000 +0100
|
|
+++ qt-everywhere-opensource-src-4.6.2JS/src/3rdparty/javascriptcore/JavaScriptCore/runtime/Collector.cpp 2010-05-23 10:49:29.000000000 +0200
|
|
@@ -75,6 +75,23 @@
|
|
#endif
|
|
#include <unistd.h>
|
|
|
|
+#if defined(QT_LINUXBASE)
|
|
+#include <dlfcn.h>
|
|
+#endif
|
|
+
|
|
+#if defined(__UCLIBC__)
|
|
+// versions of uClibc 0.9.32 and below with linuxthreads.old do not have
|
|
+// pthread_getattr_np or pthread_attr_getstack.
|
|
+#if __UCLIBC_MAJOR__ == 0 && \
|
|
+ (__UCLIBC_MINOR__ < 9 || \
|
|
+ (__UCLIBC_MINOR__ == 9 && __UCLIBC_SUBLEVEL__ <= 32)) && \
|
|
+ defined(__LINUXTHREADS_OLD__)
|
|
+#define UCLIBC_USE_PROC_SELF_MAPS 1
|
|
+#include <stdio_ext.h>
|
|
+extern int *__libc_stack_end;
|
|
+#endif
|
|
+#endif
|
|
+
|
|
#if OS(SOLARIS)
|
|
#include <thread.h>
|
|
#else
|
|
@@ -667,18 +683,61 @@ static inline void* currentThreadStackBa
|
|
get_thread_info(find_thread(NULL), &threadInfo);
|
|
return threadInfo.stack_end;
|
|
#elif OS(UNIX)
|
|
+#ifdef UCLIBC_USE_PROC_SELF_MAPS
|
|
+ // Read /proc/self/maps and locate the line whose address
|
|
+ // range contains __libc_stack_end.
|
|
+ FILE *file = fopen("/proc/self/maps", "r");
|
|
+ if (!file)
|
|
+ return 0;
|
|
+ __fsetlocking(file, FSETLOCKING_BYCALLER);
|
|
+ char *line = NULL;
|
|
+ size_t lineLen = 0;
|
|
+ while (!feof_unlocked(file)) {
|
|
+ if (getdelim(&line, &lineLen, '\n', file) <= 0)
|
|
+ break;
|
|
+
|
|
+ long from;
|
|
+ long to;
|
|
+ if (sscanf (line, "%lx-%lx", &from, &to) != 2)
|
|
+ continue;
|
|
+ if (from <= (long)__libc_stack_end && (long)__libc_stack_end < to) {
|
|
+ fclose(file);
|
|
+ free(line);
|
|
+#ifdef _STACK_GROWS_UP
|
|
+ return (void *)from;
|
|
+#else
|
|
+ return (void *)to;
|
|
+#endif
|
|
+ }
|
|
+ }
|
|
+ fclose(file);
|
|
+ free(line);
|
|
+ return 0;
|
|
+#else
|
|
AtomicallyInitializedStatic(Mutex&, mutex = *new Mutex);
|
|
MutexLocker locker(mutex);
|
|
static void* stackBase = 0;
|
|
static size_t stackSize = 0;
|
|
static pthread_t stackThread;
|
|
pthread_t thread = pthread_self();
|
|
if (stackBase == 0 || thread != stackThread) {
|
|
+
|
|
+#if defined(QT_LINUXBASE)
|
|
+ // LinuxBase is missing pthread_getattr_np - resolve it once at runtime instead
|
|
+ // see http://bugs.linuxbase.org/show_bug.cgi?id=2364
|
|
+ typedef int (*GetAttrPtr)(pthread_t, pthread_attr_t *);
|
|
+ static int (*pthread_getattr_np_ptr)(pthread_t, pthread_attr_t *) = 0;
|
|
+ if (!pthread_getattr_np_ptr)
|
|
+ *(void **)&pthread_getattr_np_ptr = dlsym(RTLD_DEFAULT, "pthread_getattr_np");
|
|
+#endif
|
|
pthread_attr_t sattr;
|
|
pthread_attr_init(&sattr);
|
|
#if HAVE(PTHREAD_NP_H) || OS(NETBSD)
|
|
// e.g. on FreeBSD 5.4, neundorf@kde.org
|
|
pthread_attr_get_np(thread, &sattr);
|
|
+#elif defined(QT_LINUXBASE)
|
|
+ if (pthread_getattr_np_ptr)
|
|
+ pthread_getattr_np_ptr(thread, &sattr);
|
|
#else
|
|
// FIXME: this function is non-portable; other POSIX systems may have different np alternatives
|
|
pthread_getattr_np(thread, &sattr);
|
|
@@ -690,6 +749,7 @@ static inline void* currentThreadStackBa
|
|
stackThread = thread;
|
|
}
|
|
return static_cast<char*>(stackBase) + stackSize;
|
|
+#endif
|
|
#elif OS(WINCE)
|
|
AtomicallyInitializedStatic(Mutex&, mutex = *new Mutex);
|
|
MutexLocker locker(mutex);
|