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authorMathieu Vaillancourt <vaillancourtm@gmail.com>2014-04-19 00:30:53 +0200
committerMathieu Vaillancourt <vaillancourtm@gmail.com>2014-04-19 00:34:23 +0200
commite5f09b8be65c06927164428b5d400024e2388dbc (patch)
tree0f0fd4035bcc88c0de5a47a7d3c64b4f67453897 /src/citra_qt/debugger/callstack.cpp
parentMerge branch 'hle-interface' (diff)
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Diffstat (limited to 'src/citra_qt/debugger/callstack.cpp')
-rw-r--r--src/citra_qt/debugger/callstack.cpp66
1 files changed, 66 insertions, 0 deletions
diff --git a/src/citra_qt/debugger/callstack.cpp b/src/citra_qt/debugger/callstack.cpp
new file mode 100644
index 000000000..f59f2d8c8
--- /dev/null
+++ b/src/citra_qt/debugger/callstack.cpp
@@ -0,0 +1,66 @@
+#include <QStandardItemModel>
+
+#include "callstack.hxx"
+
+#include "core/core.h"
+#include "core/arm/arm_interface.h"
+#include "core/mem_map.h"
+#include "common/symbols.h"
+#include "core/arm/disassembler/arm_disasm.h"
+
+CallstackWidget::CallstackWidget(QWidget* parent): QDockWidget(parent)
+{
+ ui.setupUi(this);
+
+ callstack_model = new QStandardItemModel(this);
+ callstack_model->setColumnCount(4);
+ callstack_model->setHeaderData(0, Qt::Horizontal, "Stack pointer");
+ callstack_model->setHeaderData(2, Qt::Horizontal, "Return address");
+ callstack_model->setHeaderData(1, Qt::Horizontal, "Call address");
+ callstack_model->setHeaderData(3, Qt::Horizontal, "Function");
+ ui.treeView->setModel(callstack_model);
+}
+
+void CallstackWidget::OnCPUStepped()
+{
+ ARM_Disasm* disasm = new ARM_Disasm();
+ ARM_Interface* app_core = Core::g_app_core;
+
+ u32 sp = app_core->GetReg(13); //stack pointer
+ u32 addr, ret_addr, call_addr, func_addr;
+
+ int counter = 0;
+ for (int addr = 0x10000000; addr >= sp; addr -= 4)
+ {
+ ret_addr = Memory::Read32(addr);
+ call_addr = ret_addr - 4; //get call address???
+
+ /* TODO (mattvail) clean me, move to debugger interface */
+ u32 insn = Memory::Read32(call_addr);
+ if (disasm->decode(insn) == OP_BL)
+ {
+ std::string name;
+ // ripped from disasm
+ uint8_t cond = (insn >> 28) & 0xf;
+ uint32_t i_offset = insn & 0xffffff;
+ // Sign-extend the 24-bit offset
+ if ((i_offset >> 23) & 1)
+ i_offset |= 0xff000000;
+
+ // Pre-compute the left-shift and the prefetch offset
+ i_offset <<= 2;
+ i_offset += 8;
+ func_addr = call_addr + i_offset;
+
+ callstack_model->setItem(counter, 0, new QStandardItem(QString("0x%1").arg(addr, 8, 16, QLatin1Char('0'))));
+ callstack_model->setItem(counter, 1, new QStandardItem(QString("0x%1").arg(ret_addr, 8, 16, QLatin1Char('0'))));
+ callstack_model->setItem(counter, 2, new QStandardItem(QString("0x%1").arg(call_addr, 8, 16, QLatin1Char('0'))));
+
+ name = Symbols::HasSymbol(func_addr) ? Symbols::GetSymbol(func_addr).name : "unknown";
+ callstack_model->setItem(counter, 3, new QStandardItem(QString("%1_%2").arg(QString::fromStdString(name))
+ .arg(QString("0x%1").arg(func_addr, 8, 16, QLatin1Char('0')))));
+
+ counter++;
+ }
+ }
+} \ No newline at end of file