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PPU Analyzer: Utilize exported functions

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This commit is contained in:
Elad Ashkenazi 2024-06-08 12:44:23 +03:00
parent 6d280c5f3c
commit 6fff22391c
5 changed files with 60 additions and 19 deletions
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28
rpcs3/Emu/Cell/PPUAnalyser.cpp
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@ -530,7 +530,7 @@ namespace ppu_patterns
};
}
bool ppu_module::analyse(u32 lib_toc, u32 entry, const u32 sec_end, const std::basic_string<u32>& applied, std::function<bool()> check_aborted)
bool ppu_module::analyse(u32 lib_toc, u32 entry, const u32 sec_end, const std::basic_string<u32>& applied, const std::vector<u32>& exported_funcs, std::function<bool()> check_aborted)
{
if (segs.empty())
{
@ -931,6 +931,32 @@ bool ppu_module::analyse(u32 lib_toc, u32 entry, const u32 sec_end, const std::b
bool used_fallback = false;
if (func_queue.empty())
{
for (u32 addr : exported_funcs)
{
const u32 faddr = get_ref<u32>(addr);
if (addr < start || addr >= start + segs[0].size)
{
// TODO: Reverse engineer how it works (maybe some flag in exports)
if (faddr < start || faddr >= start + segs[0].size)
{
ppu_log.notice("Export not usable at 0x%x / 0x%x (0x%x...0x%x)", addr, faddr, start, start + segs[0].size);
continue;
}
addr = faddr;
}
ppu_log.trace("Enqueued exported PPU function 0x%x for analysis", addr);
add_func(addr, 0, 0);
used_fallback = true;
}
}
if (func_queue.empty() && segs[0].size >= 4u)
{
// Fallback, identify functions using callers (no jumptable detection, tail calls etc)