69 lines
2.0 KiB
Diff
69 lines
2.0 KiB
Diff
--- a/src/3rdparty/webkit/JavaScriptCore/runtime/Collector.cpp 2010-09-10 11:05:22.000000000 +0200
|
|
+++ b/src/3rdparty/webkit/JavaScriptCore/runtime/Collector.cpp 2010-11-15 16:39:53.000000000 +0100
|
|
@@ -70,6 +70,19 @@
|
|
#endif
|
|
#include <unistd.h>
|
|
|
|
+#if defined(__UCLIBC__)
|
|
+// versions of uClibc 0.9.32 with linuxthreads.old and below 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
|
|
@@ -580,6 +592,37 @@
|
|
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 = 0;
|
|
+ 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;
|
|
@@ -603,6 +646,7 @@
|
|
stackThread = thread;
|
|
}
|
|
return static_cast<char*>(stackBase) + stackSize;
|
|
+#endif
|
|
#elif OS(WINCE)
|
|
AtomicallyInitializedStatic(Mutex&, mutex = *new Mutex);
|
|
MutexLocker locker(mutex);
|