mirror of
https://github.com/yuzu-emu/yuzu-android.git
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66 lines
2.4 KiB
C++
66 lines
2.4 KiB
C++
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#include <QStandardItemModel>
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#include "callstack.hxx"
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#include "core/core.h"
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#include "core/arm/arm_interface.h"
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#include "core/mem_map.h"
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#include "common/symbols.h"
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#include "core/arm/disassembler/arm_disasm.h"
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CallstackWidget::CallstackWidget(QWidget* parent): QDockWidget(parent)
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{
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ui.setupUi(this);
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callstack_model = new QStandardItemModel(this);
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callstack_model->setColumnCount(4);
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callstack_model->setHeaderData(0, Qt::Horizontal, "Stack pointer");
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callstack_model->setHeaderData(2, Qt::Horizontal, "Return address");
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callstack_model->setHeaderData(1, Qt::Horizontal, "Call address");
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callstack_model->setHeaderData(3, Qt::Horizontal, "Function");
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ui.treeView->setModel(callstack_model);
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}
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void CallstackWidget::OnCPUStepped()
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{
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ARM_Disasm* disasm = new ARM_Disasm();
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ARM_Interface* app_core = Core::g_app_core;
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u32 sp = app_core->GetReg(13); //stack pointer
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u32 addr, ret_addr, call_addr, func_addr;
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int counter = 0;
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for (int addr = 0x10000000; addr >= sp; addr -= 4)
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{
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ret_addr = Memory::Read32(addr);
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call_addr = ret_addr - 4; //get call address???
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/* TODO (mattvail) clean me, move to debugger interface */
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u32 insn = Memory::Read32(call_addr);
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if (disasm->decode(insn) == OP_BL)
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{
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std::string name;
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// ripped from disasm
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uint8_t cond = (insn >> 28) & 0xf;
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uint32_t i_offset = insn & 0xffffff;
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// Sign-extend the 24-bit offset
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if ((i_offset >> 23) & 1)
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i_offset |= 0xff000000;
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// Pre-compute the left-shift and the prefetch offset
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i_offset <<= 2;
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i_offset += 8;
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func_addr = call_addr + i_offset;
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callstack_model->setItem(counter, 0, new QStandardItem(QString("0x%1").arg(addr, 8, 16, QLatin1Char('0'))));
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callstack_model->setItem(counter, 1, new QStandardItem(QString("0x%1").arg(ret_addr, 8, 16, QLatin1Char('0'))));
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callstack_model->setItem(counter, 2, new QStandardItem(QString("0x%1").arg(call_addr, 8, 16, QLatin1Char('0'))));
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name = Symbols::HasSymbol(func_addr) ? Symbols::GetSymbol(func_addr).name : "unknown";
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callstack_model->setItem(counter, 3, new QStandardItem(QString("%1_%2").arg(QString::fromStdString(name))
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.arg(QString("0x%1").arg(func_addr, 8, 16, QLatin1Char('0')))));
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counter++;
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}
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}
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}
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