squash 'Add more Unwind symbols' (implemented functions globally)

repos/base/lib/mk/cxx.mk

@@ -23,7 +23,12 @@ LOCAL_CXX_SYMBOLS += _Znam _Znwm
 #
 # Symbols we wrap (see unwind.cc)
 #
-EH_SYMBOLS = _Unwind_Resume _Unwind_Complete _Unwind_DeleteException
+EH_SYMBOLS = _Unwind_Resume _Unwind_Complete _Unwind_DeleteException \
+             _Unwind_Backtrace _Unwind_GetDataRelBase _Unwind_GetIPInfo \
+             _Unwind_GetLanguageSpecificData _Unwind_GetRegionStart \
+             _Unwind_GetTextRelBase _Unwind_RaiseException \
+             _Unwind_Resume_or_Rethrow _Unwind_SetGR _Unwind_SetIP
+
 
 #
 # Additional functions for ARM

repos/base/src/lib/cxx/unwind.c

@@ -29,6 +29,60 @@ void _cxx__Unwind_DeleteException(void *exc) __attribute__((weak));
 void _Unwind_DeleteException(void *exc) {
 	_cxx__Unwind_DeleteException(exc); }
 
+
+/* Unwind functions used by language runtimes. e.g. libgo */
+
+void *_cxx__Unwind_GetTextRelBase(void *ctx) __attribute__((weak));
+void *_Unwind_GetTextRelBase(void *ctx) {
+	return _cxx__Unwind_GetTextRelBase(ctx); }
+
+
+int _cxx__Unwind_Resume_or_Rethrow(void *exc) __attribute__((weak));
+int _Unwind_Resume_or_Rethrow(void *exc) {
+	return _cxx__Unwind_Resume_or_Rethrow(exc); }
+
+
+int _cxx__Unwind_RaiseException(void *exc) __attribute__((weak));
+int _Unwind_RaiseException(void *exc) {
+	return _cxx__Unwind_RaiseException(exc); }
+
+
+void *_cxx__Unwind_GetLanguageSpecificData(void *ctx) __attribute__((weak));
+void *_Unwind_GetLanguageSpecificData(void *ctx) {
+	return _cxx__Unwind_GetLanguageSpecificData(ctx); }
+
+
+typedef int (*trace_fn)(void *, void *);
+int _cxx__Unwind_Backtrace(trace_fn fn, void *) __attribute__((weak));
+int _Unwind_Backtrace(trace_fn fn, void *arg) {
+	return _cxx__Unwind_Backtrace(fn, arg); }
+
+
+void *_cxx__Unwind_GetIPInfo(void *ctx, int *info) __attribute__((weak));
+void *_Unwind_GetIPInfo(void *ctx, int *info) {
+	return _cxx__Unwind_GetIPInfo(ctx, info); }
+
+
+void _cxx__Unwind_SetGR(void *ctx, int index, unsigned val) __attribute__((weak));
+void _Unwind_SetGR(void *ctx, int index, unsigned val) {
+	return _cxx__Unwind_SetGR(ctx, index, val); }
+
+
+void _cxx__Unwind_SetIP(void *ctx, void *ptr) __attribute__((weak));
+void _Unwind_SetIP(void *ctx, void *ptr) {
+	return _cxx__Unwind_SetIP(ctx, ptr); }
+
+
+void *_cxx__Unwind_GetRegionStart(void *ctx) __attribute__((weak));
+void *_Unwind_GetRegionStart(void *ctx) {
+	return _cxx__Unwind_GetRegionStart(ctx); }
+
+
+void *_cxx__Unwind_GetDataRelBase(void *ctx) __attribute__((weak));
+void *_Unwind_GetDataRelBase(void *ctx) {
+	return _cxx__Unwind_GetDataRelBase(ctx); }
+
+
 /* Special ARM-EABI personality functions */
 #ifdef __ARM_EABI__