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PPU LLVM: Implement SELF precompilation

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Do not use PS3 memory for precompilation.
This commit is contained in:
Eladash 2023-06-25 15:53:42 +03:00 • committed by Ivan
parent 7062ead4fd
commit 554b27a82a
11 changed files with 459 additions and 214 deletions
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24
Utilities/bin_patch.cpp
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@ -805,7 +805,7 @@ void unmap_vm_area(std::shared_ptr<vm::block_t>& ptr)
}
// Returns old 'applied' size
static usz apply_modification(std::basic_string<u32>& applied, patch_engine::patch_info& patch, u8* dst, u32 filesz, u32 min_addr)
static usz apply_modification(std::basic_string<u32>& applied, patch_engine::patch_info& patch, std::function<u8*(u32)> mem_translate, u32 filesz, u32 min_addr)
{
const usz old_applied_size = applied.size();
@ -846,8 +846,8 @@ static usz apply_modification(std::basic_string<u32>& applied, patch_engine::pat
{
if (p.type != patch_type::alloc) continue;
// Do not allow null address or if dst is not a VM ptr
if (const u32 alloc_at = vm::try_get_addr(dst + (p.offset & -4096)).first; alloc_at >> 16)
// Do not allow null address or if resultant ptr is not a VM ptr
if (const u32 alloc_at = vm::try_get_addr(mem_translate(p.offset & -4096)).first; alloc_at >> 16)
{
const u32 alloc_size = utils::align(static_cast<u32>(p.value.long_value) + alloc_at % 4096, 4096);
@ -934,7 +934,13 @@ static usz apply_modification(std::basic_string<u32>& applied, patch_engine::pat
offset -= min_addr;
auto ptr = dst + offset;
auto ptr = mem_translate(offset);
if (!ptr)
{
// Memory translation failed
continue;
}
if (relocate_instructions_at)
{
@ -960,7 +966,7 @@ static usz apply_modification(std::basic_string<u32>& applied, patch_engine::pat
}
case patch_type::code_alloc:
{
const u32 out_branch = vm::try_get_addr(dst + (offset & -4)).first;
const u32 out_branch = vm::try_get_addr(mem_translate(offset & -4)).first;
// Allow only if points to a PPU executable instruction
if (out_branch < 0x10000 || out_branch >= 0x4000'0000 || !vm::check_addr<4>(out_branch, vm::page_executable))
@ -1044,7 +1050,7 @@ static usz apply_modification(std::basic_string<u32>& applied, patch_engine::pat
case patch_type::jump:
case patch_type::jump_link:
{
const u32 out_branch = vm::try_get_addr(dst + (offset & -4)).first;
const u32 out_branch = vm::try_get_addr(mem_translate(offset & -4)).first;
const u32 dest = static_cast<u32>(p.value.long_value);
// Allow only if points to a PPU executable instruction
@ -1060,7 +1066,7 @@ static usz apply_modification(std::basic_string<u32>& applied, patch_engine::pat
{
const std::string& str = p.original_value;
const u32 out_branch = vm::try_get_addr(dst + (offset & -4)).first;
const u32 out_branch = vm::try_get_addr(mem_translate(offset & -4)).first;
const usz sep_pos = str.find_first_of(':');
// Must contain only a single ':' or none
@ -1251,7 +1257,7 @@ static usz apply_modification(std::basic_string<u32>& applied, patch_engine::pat
return old_applied_size;
}
std::basic_string<u32> patch_engine::apply(const std::string& name, u8* dst, u32 filesz, u32 min_addr)
std::basic_string<u32> patch_engine::apply(const std::string& name, std::function<u8*(u32)> mem_translate, u32 filesz, u32 min_addr)
{
if (!m_map.contains(name))
{
@ -1392,7 +1398,7 @@ std::basic_string<u32> patch_engine::apply(const std::string& name, u8* dst, u32
{
if (patch)
{
const usz old_size = apply_modification(applied_total, *patch, dst, filesz, min_addr);
const usz old_size = apply_modification(applied_total, *patch, mem_translate, filesz, min_addr);
if (applied_total.size() != old_size)
{