libunwind/src/libunwind.cpp

41 /// Create a cursor of a thread in this process given 'context' recorded by
43 _LIBUNWIND_HIDDEN int __unw_init_local(unw_cursor_t *cursor,
45   _LIBUNWIND_TRACE_API("__unw_init_local(cursor=%p, context=%p)",
46                        static_cast<void *>(cursor),
85   // Use "placement new" to allocate UnwindCursor in the cursor buffer.
86   new (reinterpret_cast<UnwindCursor<LocalAddressSpace, REGISTER_KIND> *>(cursor))
90   AbstractUnwindCursor *co = (AbstractUnwindCursor *)cursor;
97 /// Get value of specified register at cursor position in stack frame.
98 _LIBUNWIND_HIDDEN int __unw_get_reg(unw_cursor_t *cursor, unw_regnum_t regNum,
100   _LIBUNWIND_TRACE_API("__unw_get_reg(cursor=%p, regNum=%d, &value=%p)",
101                        static_cast<void *>(cursor), regNum,
103   AbstractUnwindCursor *co = (AbstractUnwindCursor *)cursor;
112 /// Set value of specified register at cursor position in stack frame.
113 _LIBUNWIND_HIDDEN int __unw_set_reg(unw_cursor_t *cursor, unw_regnum_t regNum,
115   _LIBUNWIND_TRACE_API("__unw_set_reg(cursor=%p, regNum=%d, value=0x%" PRIxPTR
117                        static_cast<void *>(cursor), regNum, value);
119   AbstractUnwindCursor *co = (AbstractUnwindCursor *)cursor;
144 /// Get value of specified float register at cursor position in stack frame.
145 _LIBUNWIND_HIDDEN int __unw_get_fpreg(unw_cursor_t *cursor, unw_regnum_t regNum,
147   _LIBUNWIND_TRACE_API("__unw_get_fpreg(cursor=%p, regNum=%d, &value=%p)",
148                        static_cast<void *>(cursor), regNum,
150   AbstractUnwindCursor *co = (AbstractUnwindCursor *)cursor;
159 /// Set value of specified float register at cursor position in stack frame.
160 _LIBUNWIND_HIDDEN int __unw_set_fpreg(unw_cursor_t *cursor, unw_regnum_t regNum,
163   _LIBUNWIND_TRACE_API("__unw_set_fpreg(cursor=%p, regNum=%d, value=%llX)",
164                        static_cast<void *>(cursor), regNum, value);
166   _LIBUNWIND_TRACE_API("__unw_set_fpreg(cursor=%p, regNum=%d, value=%g)",
167                        static_cast<void *>(cursor), regNum, value);
169   AbstractUnwindCursor *co = (AbstractUnwindCursor *)cursor;
178 /// Move cursor to next frame.
179 _LIBUNWIND_HIDDEN int __unw_step(unw_cursor_t *cursor) {
180   _LIBUNWIND_TRACE_API("__unw_step(cursor=%p)", static_cast<void *>(cursor));
181   AbstractUnwindCursor *co = (AbstractUnwindCursor *)cursor;
186 // Move cursor to next frame and for stage2 of unwinding.
188 extern "C" _LIBUNWIND_HIDDEN int __unw_step_stage2(unw_cursor_t *cursor) {
189   _LIBUNWIND_TRACE_API("__unw_step_stage2(cursor=%p)",
190                        static_cast<void *>(cursor));
191   AbstractUnwindCursor *co = (AbstractUnwindCursor *)cursor;
195 /// Get unwind info at cursor position in stack frame.
196 _LIBUNWIND_HIDDEN int __unw_get_proc_info(unw_cursor_t *cursor,
198   _LIBUNWIND_TRACE_API("__unw_get_proc_info(cursor=%p, &info=%p)",
199                        static_cast<void *>(cursor), static_cast<void *>(info));
200   AbstractUnwindCursor *co = (AbstractUnwindCursor *)cursor;
208 /// Resume execution at cursor position (aka longjump).
209 _LIBUNWIND_HIDDEN int __unw_resume(unw_cursor_t *cursor) {
210   _LIBUNWIND_TRACE_API("__unw_resume(cursor=%p)", static_cast<void *>(cursor));
215   AbstractUnwindCursor *co = (AbstractUnwindCursor *)cursor;
221 /// Get name of function at cursor position in stack frame.
222 _LIBUNWIND_HIDDEN int __unw_get_proc_name(unw_cursor_t *cursor, char *buf,
224   _LIBUNWIND_TRACE_API("__unw_get_proc_name(cursor=%p, &buf=%p, bufLen=%lu)",
225                        static_cast<void *>(cursor), static_cast<void *>(buf),
227   AbstractUnwindCursor *co = (AbstractUnwindCursor *)cursor;
235 _LIBUNWIND_HIDDEN int __unw_is_fpreg(unw_cursor_t *cursor,
237   _LIBUNWIND_TRACE_API("__unw_is_fpreg(cursor=%p, regNum=%d)",
238                        static_cast<void *>(cursor), regNum);
239   AbstractUnwindCursor *co = (AbstractUnwindCursor *)cursor;
245 _LIBUNWIND_HIDDEN const char *__unw_regname(unw_cursor_t *cursor,
247   _LIBUNWIND_TRACE_API("__unw_regname(cursor=%p, regNum=%d)",
248                        static_cast<void *>(cursor), regNum);
249   AbstractUnwindCursor *co = (AbstractUnwindCursor *)cursor;
255 _LIBUNWIND_HIDDEN int __unw_is_signal_frame(unw_cursor_t *cursor) {
256   _LIBUNWIND_TRACE_API("__unw_is_signal_frame(cursor=%p)",
257                        static_cast<void *>(cursor));
258   AbstractUnwindCursor *co = (AbstractUnwindCursor *)cursor;
264 _LIBUNWIND_EXPORT uintptr_t __unw_get_data_rel_base(unw_cursor_t *cursor) {
265   _LIBUNWIND_TRACE_API("unw_get_data_rel_base(cursor=%p)",
266                        static_cast<void *>(cursor));
267   AbstractUnwindCursor *co = reinterpret_cast<AbstractUnwindCursor *>(cursor);
275 _LIBUNWIND_HIDDEN void __unw_save_vfp_as_X(unw_cursor_t *cursor) {
276   _LIBUNWIND_TRACE_API("__unw_get_fpreg_save_vfp_as_X(cursor=%p)",
277                        static_cast<void *>(cursor));
278   AbstractUnwindCursor *co = (AbstractUnwindCursor *)cursor;