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updated for ida 7.0+

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TeamCemu 2018-06-10 17:10:55 +02:00 • committed by GitHub
parent 6380b272bd
commit ad6636325e
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2 changed files with 59 additions and 48 deletions
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83
src/wiiu/cafe_loader.cpp
View file

@ -101,8 +101,8 @@ void cafe_loader::applySegment(uint32 sel,
uchar align, uchar align,
bool load) { bool load) {
segment_t seg; segment_t seg;
seg.startEA = addr; seg.start_ea = addr;
seg.endEA = addr + size; seg.end_ea = addr + size;
seg.color = DEFCOLOR; seg.color = DEFCOLOR;
seg.sel = sel; seg.sel = sel;
seg.bitness = 1; seg.bitness = 1;
@ -174,7 +174,7 @@ void cafe_loader::applyRelocations() {
case R_PPC_REL24: { case R_PPC_REL24: {
if (symbols[sym].st_value & 0xc0000000 && if (symbols[sym].st_value & 0xc0000000 &&
ELF32_ST_TYPE(symbols[sym].st_info) == STT_FUNC) { ELF32_ST_TYPE(symbols[sym].st_info) == STT_FUNC) {
auto inst = get_original_long(rela.r_offset); auto inst = get_original_dword(rela.r_offset);
auto addr = rela.r_offset + (inst & 0x3fffffc); auto addr = rela.r_offset + (inst & 0x3fffffc);
if (m_externStart > addr) if (m_externStart > addr)
@ -201,8 +201,8 @@ void cafe_loader::applyRelocations() {
void cafe_loader::processImports() { void cafe_loader::processImports() {
if (m_externStart != 0xffffffff && m_externEnd != 0) { if (m_externStart != 0xffffffff && m_externEnd != 0) {
segment_t ext; segment_t ext;
ext.startEA = m_externStart; ext.start_ea = m_externStart;
ext.endEA = m_externEnd; ext.end_ea = m_externEnd;
ext.sel = 255; ext.sel = 255;
ext.bitness = 1; ext.bitness = 1;
ext.color = DEFCOLOR; ext.color = DEFCOLOR;
@ -217,21 +217,29 @@ void cafe_loader::processImports() {
} }
for (auto &import : m_imports) { for (auto &import : m_imports) {
char name[256]; force_name(import.addr, import.name);
do_name_anyway(import.addr, import.name);
char lib[32]; // char lib[32];
get_segm_name(import.orig, lib, 32); // get_segm_name(import.orig, lib, 32); UPDATED
qstring lib;
get_segm_name(&lib, getseg(import.orig));
netnode impnode; netnode impnode;
impnode.create(); impnode.create();
if (demangle_name(name, 256, import.name, NULL)) /*if (demangle_name(name, 256, import.name, NULL)) UPDATED
impnode.supset(import.addr, name); impnode.supset(import.addr, name);
else else
impnode.supset(import.addr, import.name); impnode.supset(import.addr, import.name);
*/
import_module(lib + 9, NULL, impnode, NULL, "wiiu"); qstring out;
if (demangle_name(&out, import.name, 0))
impnode.supset(import.addr, out.c_str());
else
impnode.supset(import.addr, import.name);
import_module(lib.c_str() + 9, NULL, impnode, NULL, "wiiu");
} }
} }
@ -241,52 +249,49 @@ void cafe_loader::processExports() {
uint32 numExports; uint32 numExports;
if ((seg = get_segm_by_name(".fexports")) != NULL) { if ((seg = get_segm_by_name(".fexports")) != NULL) {
start = seg->startEA; start = seg->start_ea;
numExports = get_long(start); numExports = get_dword(start);
for (int i = 0; i < numExports + 1; ++i) { for (int i = 0; i < numExports + 1; ++i) {
doDwrd((start + (i * 8)) + 0, 4); create_dword((start + (i * 8)) + 0, 4);
doDwrd((start + (i * 8)) + 4, 4); create_dword((start + (i * 8)) + 4, 4);
if (i == 0) if (i == 0)
continue; continue;
uint32 addr = get_long(start + (i * 8) + 0); uint32 addr = get_dword(start + (i * 8) + 0);
uint32 name = get_long(start + (i * 8) + 4); uint32 name = get_dword(start + (i * 8) + 4);
auto_make_proc(addr); auto_make_proc(addr);
char exp[256]; qstring exp;
get_ascii_contents(start + name, get_strlit_contents(&exp, start + name, get_max_strlit_length(start + name, STRTYPE_C, true), STRTYPE_C);
get_max_ascii_length(start + name, ASCSTR_C, true), add_entry(addr, addr, exp.c_str(), true);
ASCSTR_C, exp, 256);
add_entry(addr, addr, exp, true);
} }
} }
if ((seg = get_segm_by_name(".dexports")) != NULL) if ((seg = get_segm_by_name(".dexports")) != NULL)
{ {
start = seg->startEA; start = seg->start_ea;
numExports = get_long(start); numExports = get_dword(start);
for (int i = 0; i < numExports + 1; i++) for (int i = 0; i < numExports + 1; i++)
{ {
doDwrd((start + (i * 8)) + 0, 4); create_dword((start + (i * 8)) + 0, 4);
doDwrd((start + (i * 8)) + 4, 4); create_dword((start + (i * 8)) + 4, 4);
if (i == 0) if (i == 0)
continue; continue;
uint32 addr = get_long(start + (8 * i) + 0); uint32 addr = get_dword(start + (8 * i) + 0);
uint32 name = get_long(start + (8 * i) + 4); uint32 name = get_dword(start + (8 * i) + 4);
char exp[256]; qstring exp;
get_ascii_contents(start + name, get_strlit_contents(&exp, start + name,
get_max_ascii_length(start + name, ASCSTR_C, true), get_max_strlit_length(start + name, STRTYPE_C, true),
ASCSTR_C, exp, 256); STRTYPE_C);
add_entry(addr, addr, exp, true); add_entry(addr, addr, exp.c_str(), true);
} }
} }
} }
@ -338,16 +343,20 @@ void cafe_loader::applySymbols() {
if (symbol.st_shndx == SHN_ABS) if (symbol.st_shndx == SHN_ABS)
continue; continue;
// crashes with current ida if setting these names
if (0 == strcmp(&stringTable[symbol.st_name], "main") || 0 == strcmp(&stringTable[symbol.st_name], "_main"))
continue;
// TODO: these are the same for all ELF's, maybe move to ELF reader // TODO: these are the same for all ELF's, maybe move to ELF reader
switch (type) { switch (type) {
case STT_OBJECT: case STT_OBJECT:
do_name_anyway(value, &stringTable[symbol.st_name]); force_name(value, &stringTable[symbol.st_name]);
break; break;
case STT_FILE: case STT_FILE:
describe(value, true, "Source File: %s", &stringTable[symbol.st_name]); add_extra_line(value, true, "Source File: %s", &stringTable[symbol.st_name]);
break; break;
case STT_FUNC: case STT_FUNC:
do_name_anyway(value, &stringTable[symbol.st_name]); force_name(value, &stringTable[symbol.st_name]);
auto_make_proc(value); auto_make_proc(value);
break; break;
} }

24
src/wiiu/wiiu.cpp
View file

@ -4,40 +4,42 @@
#include <idaldr.h> #include <idaldr.h>
static int idaapi static int idaapi
accept_file(linput_t *li, char fileformatname[MAX_FILE_FORMAT_NAME], int n) //accept_file(linput_t *li, char fileformatname[MAX_FILE_FORMAT_NAME], int n)
{ accept_file(qstring *fileformatname, qstring *processor, linput_t *li, const char *filename)
if ( n > 0 ) {
return 0;
elf_reader<elf32> elf(li); elf_reader<elf32> elf(li);
if (elf.verifyHeader()) { if (elf.verifyHeader()) {
if (elf.type() == ELF_FILETYPE_CAFE_RPL) { if (elf.type() == ELF_FILETYPE_CAFE_RPL) {
set_processor_type("ppc", SETPROC_ALL);
//set_processor_type("ppc", SETPROC_ALL);
//qsnprintf(fileformatname, MAX_FILE_FORMAT_NAME, "WII U RPX/RPL");
*processor = "ppc";
*fileformatname = "WII U RPX/RPL";
qsnprintf(fileformatname, MAX_FILE_FORMAT_NAME, "WII U RPX/RPL");
return ACCEPT_FIRST | 1; return ACCEPT_FIRST | 1;
} }
} }
return 0; return 0;
} }
static void idaapi static void idaapi
load_file(linput_t *li, ushort neflags, const char *fileformatname) load_file(linput_t *li, ushort neflags, const char *fileformatname)
{ {
set_processor_type("ppc", SETPROC_LOADER);
elf_reader<elf32> elf(li); elf.read(); elf_reader<elf32> elf(li); elf.read();
ea_t relocAddr = 0; ea_t relocAddr = 0;
if (neflags & NEF_MAN) { if (neflags & NEF_MAN) {
askaddr(&relocAddr, "Please specify a relocation address base."); ask_addr(&relocAddr, "Please specify a relocation address base.");
} }
cafe_loader ldr(&elf); ldr.apply(); cafe_loader ldr(&elf); ldr.apply();
} }
#ifdef _WIN32 #ifdef _WIN32
__declspec(dllexport)
#endif #endif
loader_t LDSC = loader_t LDSC =
{ {