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[wasm][debugger] Implement support to modify values. #49557

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Merged
merged 13 commits into from
Apr 16, 2021
Merged

[wasm][debugger] Implement support to modify values. #49557

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55bafb8
[wasm][debugger] Implement support to modify values.
thaystg Mar 12, 2021
c026bb5
Apply suggestions from code review
thaystg Mar 14, 2021
53c1375
Adding first test.
thaystg Mar 15, 2021
82efe7a
Adding more tests, fixing boolean behavior, ignore value change when …
thaystg Mar 15, 2021
389d8d5
Implement set value on object -> property and attribute.
thaystg Mar 17, 2021
ee7f036
Fix compilation
thaystg Mar 18, 2021
b5346a6
Merge remote-tracking branch 'upstream/main' into thays_fix_42327
thaystg Apr 7, 2021
9379637
Changing what @radical suggested.
thaystg Apr 8, 2021
17eea5e
Adding tests.
thaystg Apr 12, 2021
0eec2eb
Adding test.
thaystg Apr 12, 2021
62fa43d
Fix what @radical suggested.
thaystg Apr 15, 2021
b909147
Fix compilation.
thaystg Apr 15, 2021
1cc38f8
Fix what @radical suggested.
thaystg Apr 15, 2021
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26 changes: 6 additions & 20 deletions src/mono/mono/mini/debugger-agent.c
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Original file line number Diff line number Diff line change
Expand Up @@ -5673,24 +5673,6 @@ set_var (MonoType *t, MonoDebugVarInfo *var, MonoContext *ctx, MonoDomain *domai
}
}

static void
set_interp_var (MonoType *t, gpointer addr, guint8 *val_buf)
{
int size;

if (t->byref) {
addr = *(gpointer*)addr;
g_assert (addr);
}

if (MONO_TYPE_IS_REFERENCE (t))
size = sizeof (gpointer);
else
size = mono_class_value_size (mono_class_from_mono_type_internal (t), NULL);

memcpy (addr, val_buf, size);
}

static void
clear_event_request (int req_id, int etype)
{
Expand Down Expand Up @@ -9009,7 +8991,9 @@ frame_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
addr = (guint8*)mini_get_interp_callbacks ()->frame_get_arg (frame->interp_frame, pos);
else
addr = (guint8*)mini_get_interp_callbacks ()->frame_get_local (frame->interp_frame, pos);
set_interp_var (t, addr, val_buf);
err = mono_de_set_interp_var (t, addr, val_buf);
if (err != ERR_NONE)
return err;
} else {
set_var (t, var, &frame->ctx, frame->de.domain, val_buf, frame->reg_locations, &tls->restore_state.ctx);
}
Expand Down Expand Up @@ -9040,7 +9024,9 @@ frame_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
guint8 *addr;

addr = (guint8*)mini_get_interp_callbacks ()->frame_get_this (frame->interp_frame);
set_interp_var (m_class_get_this_arg (frame->actual_method->klass), addr, val_buf);
err = mono_de_set_interp_var (m_class_get_this_arg (frame->actual_method->klass), addr, val_buf);
if (err != ERR_NONE)
return err;
} else {
var = jit->this_var;
if (!var) {
Expand Down
19 changes: 19 additions & 0 deletions src/mono/mono/mini/debugger-engine.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1754,5 +1754,24 @@ get_notify_debugger_of_wait_completion_method (void)
return notify_debugger_of_wait_completion_method_cache;
}

DbgEngineErrorCode
mono_de_set_interp_var (MonoType *t, gpointer addr, guint8 *val_buf)
{
int size;

if (t->byref) {
addr = *(gpointer*)addr;
if (!addr)
return ERR_INVALID_OBJECT;
}

if (MONO_TYPE_IS_REFERENCE (t))
size = sizeof (gpointer);
else
size = mono_class_value_size (mono_class_from_mono_type_internal (t), NULL);

memcpy (addr, val_buf, size);
return ERR_NONE;
}

#endif
2 changes: 2 additions & 0 deletions src/mono/mono/mini/debugger-engine.h
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Expand Up @@ -510,6 +510,8 @@ DbgEngineErrorCode mono_de_ss_create (MonoInternalThread *thread, StepSize size,
void mono_de_cancel_ss (SingleStepReq *req);
void mono_de_cancel_all_ss (void);

DbgEngineErrorCode mono_de_set_interp_var (MonoType *t, gpointer addr, guint8 *val_buf);

gboolean set_set_notification_for_wait_completion_flag (DbgEngineStackFrame *frame);
MonoClass * get_class_to_get_builder_field(DbgEngineStackFrame *frame);
gpointer get_this_addr (DbgEngineStackFrame *the_frame);
Expand Down
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