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Add another pattern to ppu analyzer imports

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Eladash 2019-08-15 14:05:34 +03:00 committed by Ivan
parent f342f4b826
commit 6540fecdc3
1 changed files with 50 additions and 0 deletions
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50
rpcs3/Emu/Cell/PPUAnalyser.cpp
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@ -970,6 +970,56 @@ void ppu_module::analyse(u32 lib_toc, u32 entry)
continue;
}
if (ptr + 0x7 <= fend &&
ptr[0] == STD(r2, r1, 0x28) &&
(ptr[1] & 0xffff0000) == ADDIS(r2, r2, {}) &&
(ptr[2] & 0xffff0000) == ADDI(r2, r2, {}) &&
(ptr[3] & 0xffff0000) == LIS(r11, {}) &&
(ptr[4] & 0xffff0000) == ADDI(r11, r11, {}) &&
ptr[5] == MTCTR(r11) &&
ptr[6] == BCTR())
{
// Trampoline with TOC
const u32 target = (ptr[3] << 16) + s16(ptr[4]);
const u32 toc_add = (ptr[1] << 16) + s16(ptr[2]);
if (target >= start && target < end)
{
auto& new_func = add_func(target, 0, func.addr);
if (func.toc && func.toc != -1 && new_func.toc == 0)
{
const u32 toc = func.toc + toc_add;
add_toc(toc);
add_func(new_func.addr, toc, 0);
}
else if (new_func.toc && new_func.toc != -1 && func.toc == 0)
{
const u32 toc = new_func.toc - toc_add;
add_toc(toc);
add_func(func.addr, toc, 0);
}
else if (new_func.toc - func.toc != toc_add)
{
//func.toc = -1;
//new_func.toc = -1;
}
if (new_func.blocks.empty())
{
func_queue.emplace_back(func);
continue;
}
func.size = 0x1C;
func.blocks.emplace(func.addr, func.size);
func.attr += new_func.attr & ppu_attr::no_return;
func.calls.emplace(target);
func.trampoline = toc_add;
continue;
}
}
if (ptr + 4 <= fend &&
ptr[0] == STD(r2, r1, 0x28) &&
(ptr[1] & 0xffff0000) == ADDIS(r2, r2, {}) &&