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Scripting: Expose info table to breakpoint/watchpoint callbacks (closes #3369)

This commit is contained in:
Vicki Pfau 2024-12-31 02:53:14 -08:00
parent d55ee872e3
commit 72ee6f9840
2 changed files with 134 additions and 12 deletions
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31
src/core/scripting.c
View File

@ -769,7 +769,7 @@ static int64_t _addCallbackToBreakpoint(struct mScriptDebugger* debugger, struct
return cbid;
}
static void _runCallbacks(struct mScriptDebugger* debugger, struct mScriptBreakpoint* point) {
static void _runCallbacks(struct mScriptDebugger* debugger, struct mScriptBreakpoint* point, struct mScriptValue* info) {
struct TableIterator iter;
if (!HashTableIteratorStart(&point->callbacks, &iter)) {
return;
@ -778,6 +778,7 @@ static void _runCallbacks(struct mScriptDebugger* debugger, struct mScriptBreakp
struct mScriptValue* fn = HashTableIteratorGetValue(&point->callbacks, &iter);
struct mScriptFrame frame;
mScriptFrameInit(&frame);
mSCRIPT_PUSH(&frame.stack, WTABLE, info);
mScriptContextInvoke(debugger->p->context, fn, &frame);
mScriptFrameDeinit(&frame);
} while (HashTableIteratorNext(&point->callbacks, &iter));
@ -826,7 +827,33 @@ static void _scriptDebuggerEntered(struct mDebuggerModule* debugger, enum mDebug
return;
}
_runCallbacks(scriptDebugger, point);
struct mScriptValue cbInfo = {
.refs = mSCRIPT_VALUE_UNREF,
.flags = 0,
.type = mSCRIPT_TYPE_MS_TABLE,
};
cbInfo.type->alloc(&cbInfo);
// TODO: Intern strings
mScriptTableInsert(&cbInfo, mScriptStringCreateFromASCII("address"), mScriptValueCreateFromUInt(info->address));
if (info->width > 0) {
mScriptTableInsert(&cbInfo, mScriptStringCreateFromASCII("width"), mScriptValueCreateFromSInt(info->width));
}
if (info->segment >= 0) {
mScriptTableInsert(&cbInfo, mScriptStringCreateFromASCII("segment"), mScriptValueCreateFromSInt(info->segment));
}
if (reason == DEBUGGER_ENTER_WATCHPOINT) {
mScriptTableInsert(&cbInfo, mScriptStringCreateFromASCII("oldValue"), mScriptValueCreateFromSInt(info->type.wp.oldValue));
if (info->type.wp.accessType != WATCHPOINT_READ) {
mScriptTableInsert(&cbInfo, mScriptStringCreateFromASCII("newValue"), mScriptValueCreateFromSInt(info->type.wp.newValue));
}
mScriptTableInsert(&cbInfo, mScriptStringCreateFromASCII("accessType"), mScriptValueCreateFromSInt(info->type.wp.accessType));
}
_runCallbacks(scriptDebugger, point, &cbInfo);
cbInfo.type->free(&cbInfo);
debugger->isPaused = false;
}

115
src/core/test/scripting.c
View File

@ -365,8 +365,10 @@ M_TEST_DEFINE(basicBreakpointGBA) {
TEST_PROGRAM(
"hit = 0\n"
"function bkpt()\n"
"address = nil\n"
"function bkpt(info)\n"
" hit = hit + 1\n"
" address = info.address\n"
"end"
);
TEST_PROGRAM("cbid = emu:setBreakpoint(bkpt, 0x020000C4)");
@ -379,6 +381,7 @@ M_TEST_DEFINE(basicBreakpointGBA) {
assert_int_equal(debugger.state, DEBUGGER_RUNNING);
TEST_PROGRAM("assert(hit >= 1)");
TEST_PROGRAM("assert(address == 0x020000C4)");
mScriptContextDeinit(&context);
TEARDOWN_CORE;
@ -404,8 +407,10 @@ M_TEST_DEFINE(basicBreakpointGB) {
TEST_PROGRAM(
"hit = 0\n"
"function bkpt()\n"
"address = nil\n"
"function bkpt(info)\n"
" hit = hit + 1\n"
" address = info.address\n"
"end"
);
TEST_PROGRAM("cbid = emu:setBreakpoint(bkpt, 0xF0)");
@ -418,6 +423,7 @@ M_TEST_DEFINE(basicBreakpointGB) {
assert_int_equal(debugger.state, DEBUGGER_RUNNING);
TEST_PROGRAM("assert(hit >= 1)");
TEST_PROGRAM("assert(address == 0xF0)");
mScriptContextDeinit(&context);
TEARDOWN_CORE;
@ -441,11 +447,22 @@ M_TEST_DEFINE(multipleBreakpoint) {
TEST_PROGRAM(
"hit = 0\n"
"function bkpt1()\n"
"address = nil\n"
"function bkpt1(info)\n"
" hit = hit + 1\n"
" if address then\n"
" address = (address + info.address) / 2\n"
" else\n"
" address = info.address\n"
" end\n"
"end\n"
"function bkpt2()\n"
"function bkpt2(info)\n"
" hit = hit + 100\n"
" if address then\n"
" address = (address + info.address) / 2\n"
" else\n"
" address = info.address\n"
" end\n"
"end"
);
#ifdef M_CORE_GBA
@ -465,6 +482,13 @@ M_TEST_DEFINE(multipleBreakpoint) {
assert_int_equal(debugger.state, DEBUGGER_RUNNING);
TEST_PROGRAM("assert(hit >= 101)");
#ifdef M_CORE_GBA
TEST_PROGRAM("assert(address >= 0x020000C4)");
TEST_PROGRAM("assert(address <= 0x020000C8)");
#else
TEST_PROGRAM("assert(address >= 0xF0)");
TEST_PROGRAM("assert(address <= 0xF1)");
#endif
mScriptContextDeinit(&context);
TEARDOWN_CORE;
@ -479,13 +503,28 @@ M_TEST_DEFINE(basicWatchpoint) {
core->reset(core);
mScriptContextAttachCore(&context, core);
int i;
for (i = 0; i < 4; ++i) {
core->busWrite8(core, RAM_BASE + i, i + 1);
}
mDebuggerInit(&debugger);
mDebuggerAttach(&debugger, core);
TEST_PROGRAM(
"hit = 0\n"
"function bkpt()\n"
"address = nil\n"
"width = nil\n"
"oldValue = nil\n"
"newValue = nil\n"
"accessType = nil\n"
"function bkpt(info)\n"
" hit = hit + 1\n"
" address = info.address\n"
" width = info.width\n"
" oldValue = info.oldValue\n"
" newValue = info.newValue\n"
" accessType = info.accessType\n"
"end"
);
struct mScriptValue base = mSCRIPT_MAKE_S32(RAM_BASE);
@ -499,7 +538,13 @@ M_TEST_DEFINE(basicWatchpoint) {
uint8_t value;
// Read
TEST_PROGRAM("hit = 0");
TEST_PROGRAM(
"hit = 0\n"
"address = nil\n"
"width = nil\n"
"oldValue = nil\n"
"newValue = nil\n"
"accessType = nil\n");
value = core->rawRead8(core, RAM_BASE, -1);
TEST_PROGRAM("assert(hit == 0)");
core->busRead8(core, RAM_BASE);
@ -508,31 +553,71 @@ M_TEST_DEFINE(basicWatchpoint) {
TEST_PROGRAM("assert(hit == 1)");
core->busWrite8(core, RAM_BASE, ~value);
TEST_PROGRAM("assert(hit == 1)");
TEST_PROGRAM("assert(address == base)");
TEST_PROGRAM("assert(width == 1)");
TEST_PROGRAM("assert(oldValue == 1)");
TEST_PROGRAM("assert(newValue == nil)");
TEST_PROGRAM("assert(accessType == C.WATCHPOINT_TYPE.READ)");
// Write
TEST_PROGRAM("hit = 0");
TEST_PROGRAM(
"hit = 0\n"
"address = nil\n"
"width = nil\n"
"oldValue = nil\n"
"newValue = nil\n"
"accessType = nil\n");
value = core->rawRead8(core, RAM_BASE + 1, -1);
TEST_PROGRAM("assert(hit == 0)");
core->busRead8(core, RAM_BASE + 1);
TEST_PROGRAM("assert(hit == 0)");
core->busWrite8(core, RAM_BASE + 1, value);
TEST_PROGRAM("assert(hit == 1)");
TEST_PROGRAM("assert(oldValue == 2)");
TEST_PROGRAM("assert(newValue == 2)");
core->busWrite8(core, RAM_BASE + 1, ~value);
TEST_PROGRAM("assert(hit == 2)");
TEST_PROGRAM("assert(address == base + 1)");
TEST_PROGRAM("assert(width == 1)");
TEST_PROGRAM("assert(oldValue == 2)");
TEST_PROGRAM("assert(newValue == -3)");
TEST_PROGRAM("assert(accessType == C.WATCHPOINT_TYPE.WRITE)");
// RW
TEST_PROGRAM("hit = 0");
TEST_PROGRAM(
"hit = 0\n"
"address = nil\n"
"width = nil\n"
"oldValue = nil\n"
"newValue = nil\n"
"accessType = nil\n");
value = core->rawRead8(core, RAM_BASE + 2, -1);
TEST_PROGRAM("assert(hit == 0)");
core->busRead8(core, RAM_BASE + 2);
TEST_PROGRAM("assert(accessType == C.WATCHPOINT_TYPE.READ)");
TEST_PROGRAM("assert(hit == 1)");
TEST_PROGRAM("assert(oldValue == 3)");
TEST_PROGRAM("assert(newValue == nil)");
core->busWrite8(core, RAM_BASE + 2, value);
TEST_PROGRAM("assert(hit == 2)");
TEST_PROGRAM("assert(oldValue == 3)");
TEST_PROGRAM("assert(newValue == 3)");
core->busWrite8(core, RAM_BASE + 2, ~value);
TEST_PROGRAM("assert(hit == 3)");
TEST_PROGRAM("assert(address == base + 2)");
TEST_PROGRAM("assert(width == 1)");
TEST_PROGRAM("assert(oldValue == 3)");
TEST_PROGRAM("assert(newValue == -4)");
TEST_PROGRAM("assert(accessType == C.WATCHPOINT_TYPE.WRITE)");
// Change
TEST_PROGRAM("hit = 0");
TEST_PROGRAM(
"hit = 0\n"
"address = nil\n"
"width = nil\n"
"oldValue = nil\n"
"newValue = nil\n"
"accessType = nil\n");
value = core->rawRead8(core, RAM_BASE + 3, -1);
TEST_PROGRAM("assert(hit == 0)");
core->busRead8(core, RAM_BASE + 3);
@ -541,6 +626,11 @@ M_TEST_DEFINE(basicWatchpoint) {
TEST_PROGRAM("assert(hit == 0)");
core->busWrite8(core, RAM_BASE + 3, ~value);
TEST_PROGRAM("assert(hit == 1)");
TEST_PROGRAM("assert(address == base + 3)");
TEST_PROGRAM("assert(width == 1)");
TEST_PROGRAM("assert(oldValue == 4)");
TEST_PROGRAM("assert(newValue == -5)");
TEST_PROGRAM("assert(accessType == C.WATCHPOINT_TYPE.WRITE)");
mScriptContextDeinit(&context);
TEARDOWN_CORE;
@ -728,8 +818,10 @@ M_TEST_DEFINE(rangeWatchpoint) {
TEST_PROGRAM(
"hit = 0\n"
"function bkpt()\n"
"address = nil\n"
"function bkpt(info)\n"
" hit = hit + 1\n"
" address = info.address\n"
"end"
);
struct mScriptValue base = mSCRIPT_MAKE_S32(RAM_BASE);
@ -741,10 +833,13 @@ M_TEST_DEFINE(rangeWatchpoint) {
TEST_PROGRAM("assert(hit == 0)");
core->busRead8(core, RAM_BASE);
TEST_PROGRAM("assert(hit == 1)");
TEST_PROGRAM("assert(address == base)");
core->busRead8(core, RAM_BASE + 1);
TEST_PROGRAM("assert(hit == 3)");
TEST_PROGRAM("assert(address == base + 1)");
core->busRead8(core, RAM_BASE + 2);
TEST_PROGRAM("assert(hit == 4)");
TEST_PROGRAM("assert(address == base + 2)");
mScriptContextDeinit(&context);
TEARDOWN_CORE;