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Diffstat (limited to '')
| -rw-r--r-- | src/citra_qt/debugger/callstack.cpp | 66 |
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++; + } + } +}
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