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debugger_dap: Support SteppingGranularity

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Debuggers that operate at the instruction level can execute instruction-
level step even when xsystem4 has loaded debug information, by adding
`granularity: "instruction"` to the step request.
This commit is contained in:
kichikuou
2025-05-10 16:17:54 +09:00
parent cb551e8f06
commit e8ecad598a
1 changed files with 21 additions and 2 deletions
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src/debugger_dap.c
+21 -2
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@@ -162,6 +162,7 @@ static void cmd_initialize(cJSON *args, cJSON *resp)
//cJSON_AddBoolToObject(body, "supportsSetExpression", true);
//cJSON_AddBoolToObject(body, "supportsTerminateRequest", true);
cJSON_AddBoolToObject(body, "supportsInstructionBreakpoints", true);
cJSON_AddBoolToObject(body, "supportsSteppingGranularity", true);
send_response(resp, true);
emit_initialized_event();
@@ -665,10 +666,28 @@ static void cmd_pause(cJSON *args, cJSON *resp)
}
}
enum stepping_granularity {
STEPPING_GRANULARITY_STATEMENT,
STEPPING_GRANULARITY_LINE,
STEPPING_GRANULARITY_INSTRUCTION,
};
static enum stepping_granularity get_granularity(cJSON *args)
{
cJSON *g = cJSON_GetObjectItemCaseSensitive(args, "granularity");
if (cJSON_IsString(g)) {
if (!strcmp(g->valuestring, "line"))
return STEPPING_GRANULARITY_LINE;
if (!strcmp(g->valuestring, "instruction"))
return STEPPING_GRANULARITY_INSTRUCTION;
}
return STEPPING_GRANULARITY_STATEMENT;
}
static void cmd_stepIn(cJSON *args, cJSON *resp)
{
stepping_file = stepping_line = 0;
if (dbg_info)
if (dbg_info && get_granularity(args) != STEPPING_GRANULARITY_INSTRUCTION)
dbg_info_addr2line(dbg_info, instr_ptr, &stepping_file, &stepping_line);
dbg_set_step_into_breakpoint();
@@ -692,7 +711,7 @@ static void cmd_stepOut(cJSON *args, cJSON *resp)
static void cmd_next(cJSON *args, cJSON *resp)
{
stepping_file = stepping_line = 0;
if (dbg_info)
if (dbg_info && get_granularity(args) != STEPPING_GRANULARITY_INSTRUCTION)
dbg_info_addr2line(dbg_info, instr_ptr, &stepping_file, &stepping_line);
dbg_set_step_over_breakpoint();