1 #ifndef __MONO_MONO_STACK_UNWINDING_H__
2 #define __MONO_MONO_STACK_UNWINDING_H__
4 #include <mono/metadata/appdomain.h>
5 #include <mono/metadata/metadata.h>
6 #include <mono/utils/mono-context.h>
9 * Possible frame types returned by the stack walker.
12 /* Normal managed frames */
13 FRAME_TYPE_MANAGED = 0,
14 /* Pseudo frame marking the start of a method invocation done by the soft debugger */
15 FRAME_TYPE_DEBUGGER_INVOKE = 1,
16 /* Frame for transitioning to native code */
17 FRAME_TYPE_MANAGED_TO_NATIVE = 2,
18 FRAME_TYPE_SENTINEL = 3
22 MONO_UNWIND_NONE = 0x0,
23 MONO_UNWIND_LOOKUP_IL_OFFSET = 0x1,
25 MONO_UNWIND_LOOKUP_ACTUAL_METHOD = 0x2,
27 * Store the locations where caller-saved registers are saved on the stack in
28 * frame->reg_locations. The pointer is only valid during the call to the unwind
31 MONO_UNWIND_REG_LOCATIONS = 0x4,
32 MONO_UNWIND_DEFAULT = MONO_UNWIND_LOOKUP_ACTUAL_METHOD,
33 MONO_UNWIND_SIGNAL_SAFE = MONO_UNWIND_NONE,
34 MONO_UNWIND_LOOKUP_ALL = MONO_UNWIND_LOOKUP_IL_OFFSET | MONO_UNWIND_LOOKUP_ACTUAL_METHOD,
38 MonoStackFrameType type;
40 * For FRAME_TYPE_MANAGED, otherwise NULL.
48 * If ji->method is a gshared method, this is the actual method instance.
49 * This is only filled if lookup for actual method was requested (MONO_UNWIND_LOOKUP_ACTUAL_METHOD)
51 MonoMethod *actual_method;
52 /* The domain containing the code executed by this frame */
57 * IL offset of this frame.
58 * Only available if the runtime have debugging enabled (--debug switch) and
59 * il offset resultion was requested (MONO_UNWIND_LOOKUP_IL_OFFSET)
63 /*The next fields are only usefull for the jit*/
65 guint32 unwind_info_len;
68 mgreg_t **reg_locations;
71 /*Index into MonoThreadState::unwind_data. */
73 MONO_UNWIND_DATA_DOMAIN,
75 MONO_UNWIND_DATA_JIT_TLS,
79 * This structs holds all information needed to unwind the stack
84 gpointer unwind_data [3]; /*right now: domain, lmf and jit_tls*/
86 } MonoThreadUnwindState;