Remove the SLD command, reorder debugger commands
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1b38e8c932
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96d127e160
@ -794,22 +794,6 @@ static bool finish(GB_gameboy_t *gb, char *arguments, char *modifiers, const deb
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return false;
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return false;
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}
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}
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static bool stack_leak_detection(GB_gameboy_t *gb, char *arguments, char *modifiers, const debugger_command_t *command)
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{
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NO_MODIFIERS
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STOPPED_ONLY
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if (strlen(lstrip(arguments))) {
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print_usage(gb, command);
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return true;
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}
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gb->debug_stopped = false;
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gb->stack_leak_detection = true;
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gb->debug_call_depth = 0;
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return false;
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}
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static bool registers(GB_gameboy_t *gb, char *arguments, char *modifiers, const debugger_command_t *command)
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static bool registers(GB_gameboy_t *gb, char *arguments, char *modifiers, const debugger_command_t *command)
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{
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{
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NO_MODIFIERS
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NO_MODIFIERS
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@ -1986,22 +1970,17 @@ static const debugger_command_t commands[] = {
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{"step", 1, step, "Run the next instruction, stepping into function calls"},
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{"step", 1, step, "Run the next instruction, stepping into function calls"},
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{"finish", 1, finish, "Run until the current function returns"},
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{"finish", 1, finish, "Run until the current function returns"},
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{"undo", 1, undo, "Revert the last command"},
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{"undo", 1, undo, "Revert the last command"},
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{"registers", 1, registers, "Print values of processor registers and other important registers"},
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{"backtrace", 2, backtrace, "Display the current call stack"},
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{"backtrace", 2, backtrace, "Display the current call stack"},
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{"bt", 2, }, /* Alias */
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{"bt", 2, }, /* Alias */
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{"sld", 3, stack_leak_detection, "Like finish, but stops if a stack leak is detected"},
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{"print", 1, print, "Evaluate and print an expression" HELP_NEWLINE
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{"ticks", 2, ticks, "Display the number of CPU ticks since the last time 'ticks' was" HELP_NEWLINE
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"Use modifier to format as an address (a, default) or as a number in" HELP_NEWLINE
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"used"},
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"decimal (d), hexadecimal (x), octal (o) or binary (b).",
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{"registers", 1, registers, "Print values of processor registers and other important registers"},
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"<expression>", "format", .argument_completer = symbol_completer, .modifiers_completer = format_completer},
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{"cartridge", 2, mbc, "Display information about the MBC and cartridge"},
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{"eval", 2, }, /* Alias */
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{"mbc", 3, }, /* Alias */
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{"examine", 2, examine, "Examine values at address", "<expression>", "count", .argument_completer = symbol_completer},
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{"apu", 3, apu, "Display information about the current state of the audio processing unit", "[channel (1-4, 5 for NR5x)]"},
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{"x", 1, }, /* Alias */
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{"wave", 3, wave, "Print a visual representation of the wave RAM." HELP_NEWLINE
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{"disassemble", 1, disassemble, "Disassemble instructions at address", "<expression>", "count", .argument_completer = symbol_completer},
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"Modifiers can be used for a (f)ull print (the default)," HELP_NEWLINE
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"a more (c)ompact one, or a one-(l)iner", "", "(f|c|l)", .modifiers_completer = wave_completer},
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{"lcd", 3, lcd, "Display information about the current state of the LCD controller"},
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{"palettes", 3, palettes, "Display the current CGB palettes"},
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{"dma", 3, dma, "Display the current OAM DMA status"},
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{"softbreak", 2, softbreak, "Enable or disable software breakpoints", "(on|off)", .argument_completer = on_off_completer},
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{"breakpoint", 1, breakpoint, "Add a new breakpoint at the specified address/expression" HELP_NEWLINE
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{"breakpoint", 1, breakpoint, "Add a new breakpoint at the specified address/expression" HELP_NEWLINE
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"Can also modify the condition of existing breakpoints." HELP_NEWLINE
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"Can also modify the condition of existing breakpoints." HELP_NEWLINE
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"If the j modifier is used, the breakpoint will occur just before" HELP_NEWLINE
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"If the j modifier is used, the breakpoint will occur just before" HELP_NEWLINE
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@ -2016,16 +1995,19 @@ static const debugger_command_t commands[] = {
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.argument_completer = symbol_completer, .modifiers_completer = rw_completer
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.argument_completer = symbol_completer, .modifiers_completer = rw_completer
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},
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},
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{"unwatch", 3, unwatch, "Delete a watchpoint by its address, or all watchpoints", "[<expression>]", .argument_completer = symbol_completer},
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{"unwatch", 3, unwatch, "Delete a watchpoint by its address, or all watchpoints", "[<expression>]", .argument_completer = symbol_completer},
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{"softbreak", 2, softbreak, "Enable or disable software breakpoints", "(on|off)", .argument_completer = on_off_completer},
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{"list", 1, list, "List all set breakpoints and watchpoints"},
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{"list", 1, list, "List all set breakpoints and watchpoints"},
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{"print", 1, print, "Evaluate and print an expression" HELP_NEWLINE
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{"ticks", 2, ticks, "Display the number of CPU ticks since the last time 'ticks' was" HELP_NEWLINE
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"Use modifier to format as an address (a, default) or as a number in" HELP_NEWLINE
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"used"},
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"decimal (d), hexadecimal (x), octal (o) or binary (b).",
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{"cartridge", 2, mbc, "Display information about the MBC and cartridge"},
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"<expression>", "format", .argument_completer = symbol_completer, .modifiers_completer = format_completer},
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{"mbc", 3, }, /* Alias */
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{"eval", 2, }, /* Alias */
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{"apu", 3, apu, "Display information about the current state of the audio processing unit", "[channel (1-4, 5 for NR5x)]"},
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{"examine", 2, examine, "Examine values at address", "<expression>", "count", .argument_completer = symbol_completer},
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{"wave", 3, wave, "Print a visual representation of the wave RAM." HELP_NEWLINE
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{"x", 1, }, /* Alias */
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"Modifiers can be used for a (f)ull print (the default)," HELP_NEWLINE
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{"disassemble", 1, disassemble, "Disassemble instructions at address", "<expression>", "count", .argument_completer = symbol_completer},
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"a more (c)ompact one, or a one-(l)iner", "", "(f|c|l)", .modifiers_completer = wave_completer},
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{"lcd", 3, lcd, "Display information about the current state of the LCD controller"},
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{"palettes", 3, palettes, "Display the current CGB palettes"},
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{"dma", 3, dma, "Display the current OAM DMA status"},
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{"help", 1, help, "List available commands or show help for the specified command", "[<command>]"},
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{"help", 1, help, "List available commands or show help for the specified command", "[<command>]"},
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{NULL,}, /* Null terminator */
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{NULL,}, /* Null terminator */
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@ -2093,19 +2075,7 @@ void GB_debugger_call_hook(GB_gameboy_t *gb, uint16_t call_addr)
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{
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{
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/* Called just after the CPU calls a function/enters an interrupt/etc... */
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/* Called just after the CPU calls a function/enters an interrupt/etc... */
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if (gb->stack_leak_detection) {
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if (gb->debug_call_depth >= sizeof(gb->sp_for_call_depth) / sizeof(gb->sp_for_call_depth[0])) {
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GB_log(gb, "Potential stack overflow detected (Functions nest too much). \n");
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gb->debug_stopped = true;
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}
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else {
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gb->sp_for_call_depth[gb->debug_call_depth] = gb->sp;
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gb->addr_for_call_depth[gb->debug_call_depth] = gb->pc;
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}
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}
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if (gb->backtrace_size < sizeof(gb->backtrace_sps) / sizeof(gb->backtrace_sps[0])) {
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if (gb->backtrace_size < sizeof(gb->backtrace_sps) / sizeof(gb->backtrace_sps[0])) {
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while (gb->backtrace_size) {
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while (gb->backtrace_size) {
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if (gb->backtrace_sps[gb->backtrace_size - 1] < gb->sp) {
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if (gb->backtrace_sps[gb->backtrace_size - 1] < gb->sp) {
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gb->backtrace_size--;
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gb->backtrace_size--;
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@ -2130,21 +2100,6 @@ void GB_debugger_ret_hook(GB_gameboy_t *gb)
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gb->debug_call_depth--;
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gb->debug_call_depth--;
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if (gb->stack_leak_detection) {
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if (gb->debug_call_depth < 0) {
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GB_log(gb, "Function finished without a stack leak.\n");
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gb->debug_stopped = true;
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}
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else {
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if (gb->sp != gb->sp_for_call_depth[gb->debug_call_depth]) {
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GB_log(gb, "Stack leak detected for function %s!\n", value_to_string(gb, gb->addr_for_call_depth[gb->debug_call_depth], true));
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GB_log(gb, "SP is $%04x, should be $%04x.\n", gb->sp,
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gb->sp_for_call_depth[gb->debug_call_depth]);
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gb->debug_stopped = true;
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}
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}
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}
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while (gb->backtrace_size) {
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while (gb->backtrace_size) {
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if (gb->backtrace_sps[gb->backtrace_size - 1] <= gb->sp) {
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if (gb->backtrace_sps[gb->backtrace_size - 1] <= gb->sp) {
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gb->backtrace_size--;
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gb->backtrace_size--;
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@ -2445,7 +2400,6 @@ next_command:
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if (gb->debug_stopped && !gb->debug_disable) {
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if (gb->debug_stopped && !gb->debug_disable) {
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gb->debug_next_command = false;
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gb->debug_next_command = false;
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gb->debug_fin_command = false;
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gb->debug_fin_command = false;
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gb->stack_leak_detection = false;
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input = gb->input_callback(gb);
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input = gb->input_callback(gb);
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if (input == NULL) {
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if (input == NULL) {
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@ -733,8 +733,6 @@ struct GB_gameboy_internal_s {
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void *nontrivial_jump_state;
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void *nontrivial_jump_state;
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bool non_trivial_jump_breakpoint_occured;
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bool non_trivial_jump_breakpoint_occured;
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/* SLD (Todo: merge with backtrace) */
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bool stack_leak_detection;
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signed debug_call_depth;
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signed debug_call_depth;
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uint16_t sp_for_call_depth[0x200]; /* Should be much more than enough */
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uint16_t sp_for_call_depth[0x200]; /* Should be much more than enough */
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uint16_t addr_for_call_depth[0x200];
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uint16_t addr_for_call_depth[0x200];
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