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Add total frame counter to backtrace in debugger (#2428)

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This was needed for the VScode extension so we know in total howmany frames we have in the backtrace.

JerryScript-DCO-1.0-Signed-off-by: Daniella Barsony bella@inf.u-szeged.hu
This commit is contained in:
Daniella Barsony
2018-08-03 11:30:13 +02:00
committed by Robert Sipka
parent 87897849f6
commit 64051b5bd8
6 changed files with 104 additions and 31 deletions
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jerry-core/debugger/debugger.c
+19 -2
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@@ -37,9 +37,9 @@ typedef struct
* The number of message types in the debugger should reflect the
* debugger versioning.
*/
JERRY_STATIC_ASSERT (JERRY_DEBUGGER_MESSAGES_OUT_MAX_COUNT == 27
JERRY_STATIC_ASSERT (JERRY_DEBUGGER_MESSAGES_OUT_MAX_COUNT == 28
&& JERRY_DEBUGGER_MESSAGES_IN_MAX_COUNT == 19
&& JERRY_DEBUGGER_VERSION == 4,
&& JERRY_DEBUGGER_VERSION == 5,
debugger_version_correlates_to_message_type_count);
/**
@@ -120,6 +120,23 @@ jerry_debugger_send_backtrace (const uint8_t *recv_buffer_p) /**< pointer to the
max_depth = UINT32_MAX;
}
if (get_backtrace_p->get_total_frame_count != 0)
{
JERRY_DEBUGGER_SEND_BUFFER_AS (jerry_debugger_send_backtrace_total_t, backtrace_total_p);
backtrace_total_p->type = JERRY_DEBUGGER_BACKTRACE_TOTAL;
vm_frame_ctx_t *iter_frame_ctx_p = JERRY_CONTEXT (vm_top_context_p);
uint32_t frame_count = 0;
while (iter_frame_ctx_p != NULL)
{
frame_count++;
iter_frame_ctx_p = iter_frame_ctx_p->prev_context_p;
}
memcpy (backtrace_total_p->frame_count, &frame_count, sizeof (frame_count));
jerry_debugger_send (sizeof (jerry_debugger_send_type_t) + sizeof (frame_count));
}
JERRY_DEBUGGER_SEND_BUFFER_AS (jerry_debugger_send_backtrace_t, backtrace_p);
backtrace_p->type = JERRY_DEBUGGER_BACKTRACE;