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elfview imgui : added segment headers

This commit is contained in:
georgemoralis 2023-05-08 12:15:28 +03:00
parent cda7c67e36
commit 6511b280cf
3 changed files with 33 additions and 19 deletions
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26
src/GUI/ElfViewer.cpp
View File

@ -9,11 +9,10 @@ ElfViewer::ElfViewer(Elf* elf)
//function to display Self/Elf window
void ElfViewer::display(bool enabled)
{
enum
{
SELF_HEADER,
ELF_HEADER
};
int SELF_HEADER = 0;
int ELF_HEADER = 1;
int SEG_HEADER_START = 100;
static int selected = -1;
ImGui::Begin("Self/Elf Viewer", &enabled);
@ -30,6 +29,15 @@ void ElfViewer::display(bool enabled)
if (ImGui::TreeNode("Self Segment Header"))
{
const auto* self = elf->GetSElfHeader();
for (u16 i = 0; i < self->segment_count; i++)
{
if (ImGui::TreeNodeEx((void*)(intptr_t)i, ImGuiTreeNodeFlags_Leaf | ImGuiTreeNodeFlags_NoTreePushOnOpen, "%d", i))
{
if (ImGui::IsItemClicked())
selected = SEG_HEADER_START+i;
}
}
ImGui::TreePop();
}
ImGui::TreeNodeEx("Self Id Header", ImGuiTreeNodeFlags_Leaf | ImGuiTreeNodeFlags_NoTreePushOnOpen, "Self Id Header");
@ -46,12 +54,10 @@ void ElfViewer::display(bool enabled)
if (ImGui::TreeNode("Elf Program Headers"))
{
const auto* elf_header = elf->GetElfHeader();
const auto* program_header = elf->GetProgramHeader();
for (u16 i = 0; i < elf_header->e_phnum; i++)
{
if (ImGui::TreeNode((void*)(intptr_t)i, "%d", i))
if (ImGui::TreeNodeEx((void*)(intptr_t)i,ImGuiTreeNodeFlags_Leaf | ImGuiTreeNodeFlags_NoTreePushOnOpen, "%d", i))
{
ImGui::TreePop();
}
}
ImGui::TreePop();
@ -70,6 +76,10 @@ void ElfViewer::display(bool enabled)
if (selected == SELF_HEADER) {
ImGui::TextWrapped(elf->SElfHeaderStr().c_str());
}
if (selected >= 100 && selected < 200)
{
ImGui::TextWrapped(elf->SELFSegHeader(selected-100).c_str());
}
ImGui::EndChild();
ImGui::End();

22
src/Loader/Elf.cpp
View File

@ -275,17 +275,9 @@ void Elf::DebugDump() {
spdlog::set_formatter(std::move(f));
spdlog::info(SElfHeaderStr());
spdlog::info("\n");
spdlog::info("SELF segments:\n");
for (int i = 0; i < m_self->segment_count; i++)
for (u16 i = 0; i < m_self->segment_count; i++)
{
auto segment_header = m_self_segments[i];
spdlog::info(" [{}]\n", i);
spdlog::info(" flags ............: {:#018x}\n", segment_header.flags);
spdlog::info(" file offset ......: {:#018x}\n", segment_header.file_offset);
spdlog::info(" file size ........: {}\n", segment_header.file_size);
spdlog::info(" memory size ......: {}\n", segment_header.memory_size);
spdlog::info(SELFSegHeader(i));
}
spdlog::info("\n");
@ -435,4 +427,14 @@ std::string Elf::SElfHeaderStr() {
header+= fmt::format("unknown 1A .........: {:#06x}\n", m_self->unknown1A);
header+= fmt::format("padding3 ...........: {:#010x}\n", m_self->padding3);
return header;
}
std::string Elf::SELFSegHeader(u16 no)
{
auto segment_header = m_self_segments[no];
std::string header = fmt::format("======SEGMENT HEADER {} ========\n", no);
header += fmt::format("flags ............: {:#018x}\n", segment_header.flags);
header += fmt::format("file offset ......: {:#018x}\n", segment_header.file_offset);
header += fmt::format("file size ........: {}\n", segment_header.file_size);
header += fmt::format("memory size ......: {}\n", segment_header.memory_size);
return header;
}

4
src/Loader/Elf.h
View File

@ -293,10 +293,12 @@ public:
bool isSelfFile() const;
bool isElfFile() const;
void DebugDump();
[[nodiscard]] const self_header* GetSElfHeader() const { return m_self; }
[[nodiscard]] const elf_header* GetElfHeader() const { return m_elf_header; }
[[nodiscard]] const elf_program_header* GetProgramHeader() const { return m_elf_phdr; }
[[nodiscard]] const self_segment_header* GetSegmentHeader() const { return m_self_segments; }
std::string SElfHeaderStr();
std::string SELFSegHeader(u16 no);
private:
void Reset();