mirror of
https://github.com/cemu-project/ida_game_elf_loaders.git
synced 2025-01-24 10:07:47 -03:00
updated for ida 7.0+
This commit is contained in:
TeamCemu
GitHub
parent
6380b272bd
commit
ad6636325e
2 changed files with 59 additions and 48 deletions
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@ -101,8 +101,8 @@ void cafe_loader::applySegment(uint32 sel,
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uchar align,
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bool load) {
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segment_t seg;
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seg.startEA = addr;
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seg.endEA = addr + size;
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seg.start_ea = addr;
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seg.end_ea = addr + size;
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seg.color = DEFCOLOR;
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seg.sel = sel;
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seg.bitness = 1;
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@ -174,7 +174,7 @@ void cafe_loader::applyRelocations() {
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case R_PPC_REL24: {
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if (symbols[sym].st_value & 0xc0000000 &&
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ELF32_ST_TYPE(symbols[sym].st_info) == STT_FUNC) {
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auto inst = get_original_long(rela.r_offset);
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auto inst = get_original_dword(rela.r_offset);
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auto addr = rela.r_offset + (inst & 0x3fffffc);
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if (m_externStart > addr)
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@ -201,8 +201,8 @@ void cafe_loader::applyRelocations() {
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void cafe_loader::processImports() {
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if (m_externStart != 0xffffffff && m_externEnd != 0) {
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segment_t ext;
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ext.startEA = m_externStart;
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ext.endEA = m_externEnd;
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ext.start_ea = m_externStart;
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ext.end_ea = m_externEnd;
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ext.sel = 255;
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ext.bitness = 1;
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ext.color = DEFCOLOR;
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@ -217,21 +217,29 @@ void cafe_loader::processImports() {
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}
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for (auto &import : m_imports) {
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char name[256];
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do_name_anyway(import.addr, import.name);
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force_name(import.addr, import.name);
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char lib[32];
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get_segm_name(import.orig, lib, 32);
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// char lib[32];
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// get_segm_name(import.orig, lib, 32); UPDATED
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qstring lib;
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get_segm_name(&lib, getseg(import.orig));
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netnode impnode;
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impnode.create();
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if (demangle_name(name, 256, import.name, NULL))
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/*if (demangle_name(name, 256, import.name, NULL)) UPDATED
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impnode.supset(import.addr, name);
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else
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impnode.supset(import.addr, import.name);
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*/
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import_module(lib + 9, NULL, impnode, NULL, "wiiu");
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qstring out;
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if (demangle_name(&out, import.name, 0))
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impnode.supset(import.addr, out.c_str());
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else
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impnode.supset(import.addr, import.name);
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import_module(lib.c_str() + 9, NULL, impnode, NULL, "wiiu");
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}
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}
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@ -241,52 +249,49 @@ void cafe_loader::processExports() {
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uint32 numExports;
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if ((seg = get_segm_by_name(".fexports")) != NULL) {
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start = seg->startEA;
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numExports = get_long(start);
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start = seg->start_ea;
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numExports = get_dword(start);
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for (int i = 0; i < numExports + 1; ++i) {
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doDwrd((start + (i * 8)) + 0, 4);
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doDwrd((start + (i * 8)) + 4, 4);
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create_dword((start + (i * 8)) + 0, 4);
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create_dword((start + (i * 8)) + 4, 4);
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if (i == 0)
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continue;
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uint32 addr = get_long(start + (i * 8) + 0);
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uint32 name = get_long(start + (i * 8) + 4);
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uint32 addr = get_dword(start + (i * 8) + 0);
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uint32 name = get_dword(start + (i * 8) + 4);
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auto_make_proc(addr);
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char exp[256];
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get_ascii_contents(start + name,
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get_max_ascii_length(start + name, ASCSTR_C, true),
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ASCSTR_C, exp, 256);
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add_entry(addr, addr, exp, true);
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qstring exp;
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get_strlit_contents(&exp, start + name, get_max_strlit_length(start + name, STRTYPE_C, true), STRTYPE_C);
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add_entry(addr, addr, exp.c_str(), true);
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}
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}
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if ((seg = get_segm_by_name(".dexports")) != NULL)
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{
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start = seg->startEA;
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numExports = get_long(start);
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start = seg->start_ea;
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numExports = get_dword(start);
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for (int i = 0; i < numExports + 1; i++)
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{
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doDwrd((start + (i * 8)) + 0, 4);
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doDwrd((start + (i * 8)) + 4, 4);
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create_dword((start + (i * 8)) + 0, 4);
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create_dword((start + (i * 8)) + 4, 4);
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if (i == 0)
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continue;
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uint32 addr = get_long(start + (8 * i) + 0);
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uint32 name = get_long(start + (8 * i) + 4);
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uint32 addr = get_dword(start + (8 * i) + 0);
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uint32 name = get_dword(start + (8 * i) + 4);
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char exp[256];
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get_ascii_contents(start + name,
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get_max_ascii_length(start + name, ASCSTR_C, true),
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ASCSTR_C, exp, 256);
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qstring exp;
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get_strlit_contents(&exp, start + name,
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get_max_strlit_length(start + name, STRTYPE_C, true),
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STRTYPE_C);
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add_entry(addr, addr, exp, true);
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add_entry(addr, addr, exp.c_str(), true);
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}
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}
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}
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@ -338,16 +343,20 @@ void cafe_loader::applySymbols() {
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if (symbol.st_shndx == SHN_ABS)
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continue;
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// crashes with current ida if setting these names
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if (0 == strcmp(&stringTable[symbol.st_name], "main") || 0 == strcmp(&stringTable[symbol.st_name], "_main"))
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continue;
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// TODO: these are the same for all ELF's, maybe move to ELF reader
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switch (type) {
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case STT_OBJECT:
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do_name_anyway(value, &stringTable[symbol.st_name]);
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force_name(value, &stringTable[symbol.st_name]);
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break;
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case STT_FILE:
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describe(value, true, "Source File: %s", &stringTable[symbol.st_name]);
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add_extra_line(value, true, "Source File: %s", &stringTable[symbol.st_name]);
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break;
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case STT_FUNC:
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do_name_anyway(value, &stringTable[symbol.st_name]);
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force_name(value, &stringTable[symbol.st_name]);
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auto_make_proc(value);
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break;
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}
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@ -4,40 +4,42 @@
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#include <idaldr.h>
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static int idaapi
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accept_file(linput_t *li, char fileformatname[MAX_FILE_FORMAT_NAME], int n)
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{
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if ( n > 0 )
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return 0;
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//accept_file(linput_t *li, char fileformatname[MAX_FILE_FORMAT_NAME], int n)
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accept_file(qstring *fileformatname, qstring *processor, linput_t *li, const char *filename)
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{
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elf_reader<elf32> elf(li);
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if (elf.verifyHeader()) {
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if (elf.type() == ELF_FILETYPE_CAFE_RPL) {
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set_processor_type("ppc", SETPROC_ALL);
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//set_processor_type("ppc", SETPROC_ALL);
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//qsnprintf(fileformatname, MAX_FILE_FORMAT_NAME, "WII U RPX/RPL");
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*processor = "ppc";
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*fileformatname = "WII U RPX/RPL";
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qsnprintf(fileformatname, MAX_FILE_FORMAT_NAME, "WII U RPX/RPL");
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return ACCEPT_FIRST | 1;
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}
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}
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return 0;
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}
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static void idaapi
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load_file(linput_t *li, ushort neflags, const char *fileformatname)
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{
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set_processor_type("ppc", SETPROC_LOADER);
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elf_reader<elf32> elf(li); elf.read();
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ea_t relocAddr = 0;
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if (neflags & NEF_MAN) {
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askaddr(&relocAddr, "Please specify a relocation address base.");
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ask_addr(&relocAddr, "Please specify a relocation address base.");
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}
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cafe_loader ldr(&elf); ldr.apply();
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}
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#ifdef _WIN32
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__declspec(dllexport)
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#endif
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loader_t LDSC =
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{
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