elfviewer : detailed program headers info
This commit is contained in:
georgemoralis
parent
a8a598aee4
commit
98068809aa
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@ -17,7 +17,7 @@ void ElfViewer::display(bool enabled)
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static int selected = -1;
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ImGui::Begin("Self/Elf Viewer", &enabled);
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ImGui::BeginChild("Left Tree pane", ImVec2(200, 0), false);//left tree
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ImGui::BeginChild("Left Tree pane", ImVec2(300, 0), false);//left tree
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if (elf->isSelfFile())
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{
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if (ImGui::TreeNode("Self"))
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@ -57,7 +57,9 @@ void ElfViewer::display(bool enabled)
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const auto* elf_header = elf->GetElfHeader();
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for (u16 i = 0; i < elf_header->e_phnum; i++)
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{
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if (ImGui::TreeNodeEx((void*)(intptr_t)i,ImGuiTreeNodeFlags_Leaf | ImGuiTreeNodeFlags_NoTreePushOnOpen, "%d", i))
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const auto* pheader = elf->GetProgramHeader();
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std::string ProgramInfo = elf->ElfPheaderFlagsStr((pheader + i)->p_flags) + " " + elf->ElfPheaderTypeStr((pheader + i)->p_type);
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if (ImGui::TreeNodeEx((void*)(intptr_t)i,ImGuiTreeNodeFlags_Leaf | ImGuiTreeNodeFlags_NoTreePushOnOpen, "%d - %s", i,ProgramInfo.c_str()))
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{
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if (ImGui::IsItemClicked())
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selected = ELF_PROGRAM_HEADER_START + i;
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@ -436,11 +436,71 @@ std::string Elf::ElfHeaderStr()
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return header;
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}
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std::string Elf::ElfPheaderTypeStr(u32 type) {
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switch (type) {
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case PT_NULL:
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return "Null";
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case PT_LOAD:
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return "Loadable";
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case PT_DYNAMIC:
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return "Dynamic";
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case PT_INERP:
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return "Interpreter Path";
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case PT_NOTE:
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return "Note";
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case PT_SHLIB:
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return "Section Header Library";
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case PT_PHDR:
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return "Program Header";
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case PT_TLS:
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return "Thread-Local Storage";
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case PT_NUM:
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return "Defined Sections Number";
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case PT_SCE_RELA:
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return "SCE Relative";
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case PT_SCE_DYNLIBDATA:
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return "SCE Dynamic Library Data";
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case PT_SCE_PROCPARAM:
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return "SCE Processor Parameters";
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case PT_SCE_MODULE_PARAM:
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return "SCE Module Parameters";
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case PT_SCE_RELRO:
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return "SCE Read-Only After Relocation";
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case PT_GNU_EH_FRAME:
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return "GNU Entry Header Frame";
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case PT_GNU_STACK:
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return "GNU Stack (executability)";
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case PT_GNU_RELRO:
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return "GNU Read-Only After Relocation";
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case PT_SCE_COMMENT:
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return "SCE Comment";
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case PT_SCE_LIBVERSION:
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return "SCE Library Version";
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default:
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return "Unknown Section";
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}
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}
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std::string Elf::ElfPheaderFlagsStr(u32 flags) {
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std::string flg = "(";
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flg += (flags & PF_READ) ? "R" : "_";
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flg += (flags & PF_WRITE) ? "W" : "_";
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flg += (flags & PF_EXEC) ? "X" : "_";
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flg += ")";
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return flg;
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}
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std::string Elf::ElfPHeaderStr(u16 no)
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{
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std::string header = fmt::format("====== PROGRAM HEADER {} ========\n", no);
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header += fmt::format("p_type ....: {:#010x}\n", (m_elf_phdr + no)->p_type);
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header += fmt::format("p_flags ...: {:#010x}\n", (m_elf_phdr + no)->p_flags);
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header += fmt::format("p_type ....: {}\n", ElfPheaderTypeStr((m_elf_phdr + no)->p_type));
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auto flags = magic_enum::enum_cast<elf_program_flags>((m_elf_phdr + no)->p_flags);
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if (flags.has_value())
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{
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header += fmt::format("p_flags ...: {}\n", magic_enum::enum_name(flags.value()));
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}
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// header += fmt::format("p_flags ...: {:#010x}\n", (m_elf_phdr + no)->p_flags);
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header += fmt::format("p_offset ..: {:#018x}\n", (m_elf_phdr + no)->p_offset);
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header += fmt::format("p_vaddr ...: {:#018x}\n", (m_elf_phdr + no)->p_vaddr);
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header += fmt::format("p_paddr ...: {:#018x}\n", (m_elf_phdr + no)->p_paddr);
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@ -238,10 +238,50 @@ struct elf_header
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u16 e_shstrndx; /* Section name string table index */
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};
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typedef enum : u32 {
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PT_NULL = 0x0,
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PT_LOAD = 0x1,
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PT_DYNAMIC = 0x2,
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PT_INERP = 0x3,
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PT_NOTE = 0x4,
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PT_SHLIB = 0x5,
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PT_PHDR = 0x6,
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PT_TLS = 0x7,
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PT_NUM = 0x8,
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PT_SCE_RELA = 0x60000000,
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PT_SCE_DYNLIBDATA = 0x61000000,
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PT_SCE_PROCPARAM = 0x61000001,
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PT_SCE_MODULE_PARAM = 0x61000002,
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PT_SCE_RELRO = 0x61000010,
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PT_GNU_EH_FRAME = 0x6474e550,
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PT_GNU_STACK = 0x6474e551,
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PT_GNU_RELRO = 0x6474e552,
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PT_SCE_COMMENT = 0x6fffff00,
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PT_SCE_LIBVERSION = 0x6fffff01,
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PT_LOSUNW = 0x6ffffffa,
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PT_SUNWBSS = 0x6ffffffa,
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PT_SUNWSTACK = 0x6ffffffb,
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PT_HISUNW = 0x6fffffff,
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PT_HIOS = 0x6fffffff,
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PT_LOPROC = 0x70000000,
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PT_HIPROC = 0x7fffffff
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} elf_program_type;
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typedef enum : u32 {
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PF_NONE = 0x0,
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PF_EXEC = 0x1,
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PF_WRITE = 0x2,
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PF_WRITE_EXEC = 0x3,
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PF_READ = 0x4,
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PF_READ_EXEC = 0x5,
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PF_READ_WRITE = 0x6,
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PF_READ_WRITE_EXEC = 0x7
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} elf_program_flags;
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struct elf_program_header
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{
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u32 p_type; /* Type of segment */
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u32 p_flags; /* Segment attributes */
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elf_program_type p_type; /* Type of segment */
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elf_program_flags p_flags; /* Segment attributes */
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u64 p_offset; /* Offset in file */
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u64 p_vaddr; /* Virtual address in memory */
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u64 p_paddr; /* Reserved */
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@ -301,6 +341,9 @@ public:
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std::string SELFSegHeader(u16 no);
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std::string ElfHeaderStr();
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std::string ElfPHeaderStr(u16 no);
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std::string ElfPheaderTypeStr(u32 type);
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std::string ElfPheaderFlagsStr(u32 flags);
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private:
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void Reset();
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