mirror of
https://github.com/yuzu-emu/yuzu-android.git
synced 2024-11-25 23:05:44 +01:00
Merge pull request #12677 from GPUCode/whyy-modders
core: Support multiple modules per patcher
This commit is contained in:
commit
04f4eeaca2
@ -22,14 +22,10 @@ using NativeExecutionParameters = Kernel::KThread::NativeExecutionParameters;
|
|||||||
constexpr size_t MaxRelativeBranch = 128_MiB;
|
constexpr size_t MaxRelativeBranch = 128_MiB;
|
||||||
constexpr u32 ModuleCodeIndex = 0x24 / sizeof(u32);
|
constexpr u32 ModuleCodeIndex = 0x24 / sizeof(u32);
|
||||||
|
|
||||||
Patcher::Patcher() : c(m_patch_instructions) {}
|
Patcher::Patcher() : c(m_patch_instructions) {
|
||||||
|
// The first word of the patch section is always a branch to the first instruction of the
|
||||||
Patcher::~Patcher() = default;
|
// module.
|
||||||
|
c.dw(0);
|
||||||
void Patcher::PatchText(const Kernel::PhysicalMemory& program_image,
|
|
||||||
const Kernel::CodeSet::Segment& code) {
|
|
||||||
// Branch to the first instruction of the module.
|
|
||||||
this->BranchToModule(0);
|
|
||||||
|
|
||||||
// Write save context helper function.
|
// Write save context helper function.
|
||||||
c.l(m_save_context);
|
c.l(m_save_context);
|
||||||
@ -38,6 +34,25 @@ void Patcher::PatchText(const Kernel::PhysicalMemory& program_image,
|
|||||||
// Write load context helper function.
|
// Write load context helper function.
|
||||||
c.l(m_load_context);
|
c.l(m_load_context);
|
||||||
WriteLoadContext();
|
WriteLoadContext();
|
||||||
|
}
|
||||||
|
|
||||||
|
Patcher::~Patcher() = default;
|
||||||
|
|
||||||
|
bool Patcher::PatchText(const Kernel::PhysicalMemory& program_image,
|
||||||
|
const Kernel::CodeSet::Segment& code) {
|
||||||
|
// If we have patched modules but cannot reach the new module, then it needs its own patcher.
|
||||||
|
const size_t image_size = program_image.size();
|
||||||
|
if (total_program_size + image_size > MaxRelativeBranch && total_program_size > 0) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Add a new module patch to our list
|
||||||
|
modules.emplace_back();
|
||||||
|
curr_patch = &modules.back();
|
||||||
|
|
||||||
|
// The first word of the patch section is always a branch to the first instruction of the
|
||||||
|
// module.
|
||||||
|
curr_patch->m_branch_to_module_relocations.push_back({0, 0});
|
||||||
|
|
||||||
// Retrieve text segment data.
|
// Retrieve text segment data.
|
||||||
const auto text = std::span{program_image}.subspan(code.offset, code.size);
|
const auto text = std::span{program_image}.subspan(code.offset, code.size);
|
||||||
@ -94,16 +109,17 @@ void Patcher::PatchText(const Kernel::PhysicalMemory& program_image,
|
|||||||
}
|
}
|
||||||
|
|
||||||
if (auto exclusive = Exclusive{inst}; exclusive.Verify()) {
|
if (auto exclusive = Exclusive{inst}; exclusive.Verify()) {
|
||||||
m_exclusives.push_back(i);
|
curr_patch->m_exclusives.push_back(i);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// Determine patching mode for the final relocation step
|
// Determine patching mode for the final relocation step
|
||||||
const size_t image_size = program_image.size();
|
total_program_size += image_size;
|
||||||
this->mode = image_size > MaxRelativeBranch ? PatchMode::PreText : PatchMode::PostData;
|
this->mode = image_size > MaxRelativeBranch ? PatchMode::PreText : PatchMode::PostData;
|
||||||
|
return true;
|
||||||
}
|
}
|
||||||
|
|
||||||
void Patcher::RelocateAndCopy(Common::ProcessAddress load_base,
|
bool Patcher::RelocateAndCopy(Common::ProcessAddress load_base,
|
||||||
const Kernel::CodeSet::Segment& code,
|
const Kernel::CodeSet::Segment& code,
|
||||||
Kernel::PhysicalMemory& program_image,
|
Kernel::PhysicalMemory& program_image,
|
||||||
EntryTrampolines* out_trampolines) {
|
EntryTrampolines* out_trampolines) {
|
||||||
@ -120,7 +136,7 @@ void Patcher::RelocateAndCopy(Common::ProcessAddress load_base,
|
|||||||
if (mode == PatchMode::PreText) {
|
if (mode == PatchMode::PreText) {
|
||||||
rc.B(rel.patch_offset - patch_size - rel.module_offset);
|
rc.B(rel.patch_offset - patch_size - rel.module_offset);
|
||||||
} else {
|
} else {
|
||||||
rc.B(image_size - rel.module_offset + rel.patch_offset);
|
rc.B(total_program_size - rel.module_offset + rel.patch_offset);
|
||||||
}
|
}
|
||||||
};
|
};
|
||||||
|
|
||||||
@ -129,7 +145,7 @@ void Patcher::RelocateAndCopy(Common::ProcessAddress load_base,
|
|||||||
if (mode == PatchMode::PreText) {
|
if (mode == PatchMode::PreText) {
|
||||||
rc.B(patch_size - rel.patch_offset + rel.module_offset);
|
rc.B(patch_size - rel.patch_offset + rel.module_offset);
|
||||||
} else {
|
} else {
|
||||||
rc.B(rel.module_offset - image_size - rel.patch_offset);
|
rc.B(rel.module_offset - total_program_size - rel.patch_offset);
|
||||||
}
|
}
|
||||||
};
|
};
|
||||||
|
|
||||||
@ -137,7 +153,7 @@ void Patcher::RelocateAndCopy(Common::ProcessAddress load_base,
|
|||||||
if (mode == PatchMode::PreText) {
|
if (mode == PatchMode::PreText) {
|
||||||
return GetInteger(load_base) + patch_offset;
|
return GetInteger(load_base) + patch_offset;
|
||||||
} else {
|
} else {
|
||||||
return GetInteger(load_base) + image_size + patch_offset;
|
return GetInteger(load_base) + total_program_size + patch_offset;
|
||||||
}
|
}
|
||||||
};
|
};
|
||||||
|
|
||||||
@ -150,39 +166,50 @@ void Patcher::RelocateAndCopy(Common::ProcessAddress load_base,
|
|||||||
};
|
};
|
||||||
|
|
||||||
// We are now ready to relocate!
|
// We are now ready to relocate!
|
||||||
for (const Relocation& rel : m_branch_to_patch_relocations) {
|
auto& patch = modules[m_relocate_module_index++];
|
||||||
|
for (const Relocation& rel : patch.m_branch_to_patch_relocations) {
|
||||||
ApplyBranchToPatchRelocation(text_words.data() + rel.module_offset / sizeof(u32), rel);
|
ApplyBranchToPatchRelocation(text_words.data() + rel.module_offset / sizeof(u32), rel);
|
||||||
}
|
}
|
||||||
for (const Relocation& rel : m_branch_to_module_relocations) {
|
for (const Relocation& rel : patch.m_branch_to_module_relocations) {
|
||||||
ApplyBranchToModuleRelocation(m_patch_instructions.data() + rel.patch_offset / sizeof(u32),
|
ApplyBranchToModuleRelocation(m_patch_instructions.data() + rel.patch_offset / sizeof(u32),
|
||||||
rel);
|
rel);
|
||||||
}
|
}
|
||||||
|
|
||||||
// Rewrite PC constants and record post trampolines
|
// Rewrite PC constants and record post trampolines
|
||||||
for (const Relocation& rel : m_write_module_pc_relocations) {
|
for (const Relocation& rel : patch.m_write_module_pc_relocations) {
|
||||||
oaknut::CodeGenerator rc{m_patch_instructions.data() + rel.patch_offset / sizeof(u32)};
|
oaknut::CodeGenerator rc{m_patch_instructions.data() + rel.patch_offset / sizeof(u32)};
|
||||||
rc.dx(RebasePc(rel.module_offset));
|
rc.dx(RebasePc(rel.module_offset));
|
||||||
}
|
}
|
||||||
for (const Trampoline& rel : m_trampolines) {
|
for (const Trampoline& rel : patch.m_trampolines) {
|
||||||
out_trampolines->insert({RebasePc(rel.module_offset), RebasePatch(rel.patch_offset)});
|
out_trampolines->insert({RebasePc(rel.module_offset), RebasePatch(rel.patch_offset)});
|
||||||
}
|
}
|
||||||
|
|
||||||
// Cortex-A57 seems to treat all exclusives as ordered, but newer processors do not.
|
// Cortex-A57 seems to treat all exclusives as ordered, but newer processors do not.
|
||||||
// Convert to ordered to preserve this assumption.
|
// Convert to ordered to preserve this assumption.
|
||||||
for (const ModuleTextAddress i : m_exclusives) {
|
for (const ModuleTextAddress i : patch.m_exclusives) {
|
||||||
auto exclusive = Exclusive{text_words[i]};
|
auto exclusive = Exclusive{text_words[i]};
|
||||||
text_words[i] = exclusive.AsOrdered();
|
text_words[i] = exclusive.AsOrdered();
|
||||||
}
|
}
|
||||||
|
|
||||||
// Copy to program image
|
// Remove the patched module size from the total. This is done so total_program_size
|
||||||
if (this->mode == PatchMode::PreText) {
|
// always represents the distance from the currently patched module to the patch section.
|
||||||
std::memcpy(program_image.data(), m_patch_instructions.data(),
|
total_program_size -= image_size;
|
||||||
m_patch_instructions.size() * sizeof(u32));
|
|
||||||
} else {
|
// Only copy to the program image of the last module
|
||||||
program_image.resize(image_size + patch_size);
|
if (m_relocate_module_index == modules.size()) {
|
||||||
std::memcpy(program_image.data() + image_size, m_patch_instructions.data(),
|
if (this->mode == PatchMode::PreText) {
|
||||||
m_patch_instructions.size() * sizeof(u32));
|
ASSERT(image_size == total_program_size);
|
||||||
|
std::memcpy(program_image.data(), m_patch_instructions.data(),
|
||||||
|
m_patch_instructions.size() * sizeof(u32));
|
||||||
|
} else {
|
||||||
|
program_image.resize(image_size + patch_size);
|
||||||
|
std::memcpy(program_image.data() + image_size, m_patch_instructions.data(),
|
||||||
|
m_patch_instructions.size() * sizeof(u32));
|
||||||
|
}
|
||||||
|
return true;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
return false;
|
||||||
}
|
}
|
||||||
|
|
||||||
size_t Patcher::GetSectionSize() const noexcept {
|
size_t Patcher::GetSectionSize() const noexcept {
|
||||||
@ -322,7 +349,7 @@ void Patcher::WriteSvcTrampoline(ModuleDestLabel module_dest, u32 svc_id) {
|
|||||||
|
|
||||||
// Write the post-SVC trampoline address, which will jump back to the guest after restoring its
|
// Write the post-SVC trampoline address, which will jump back to the guest after restoring its
|
||||||
// state.
|
// state.
|
||||||
m_trampolines.push_back({c.offset(), module_dest});
|
curr_patch->m_trampolines.push_back({c.offset(), module_dest});
|
||||||
|
|
||||||
// Host called this location. Save the return address so we can
|
// Host called this location. Save the return address so we can
|
||||||
// unwind the stack properly when jumping back.
|
// unwind the stack properly when jumping back.
|
||||||
|
@ -31,9 +31,9 @@ public:
|
|||||||
explicit Patcher();
|
explicit Patcher();
|
||||||
~Patcher();
|
~Patcher();
|
||||||
|
|
||||||
void PatchText(const Kernel::PhysicalMemory& program_image,
|
bool PatchText(const Kernel::PhysicalMemory& program_image,
|
||||||
const Kernel::CodeSet::Segment& code);
|
const Kernel::CodeSet::Segment& code);
|
||||||
void RelocateAndCopy(Common::ProcessAddress load_base, const Kernel::CodeSet::Segment& code,
|
bool RelocateAndCopy(Common::ProcessAddress load_base, const Kernel::CodeSet::Segment& code,
|
||||||
Kernel::PhysicalMemory& program_image, EntryTrampolines* out_trampolines);
|
Kernel::PhysicalMemory& program_image, EntryTrampolines* out_trampolines);
|
||||||
size_t GetSectionSize() const noexcept;
|
size_t GetSectionSize() const noexcept;
|
||||||
|
|
||||||
@ -61,16 +61,16 @@ private:
|
|||||||
|
|
||||||
private:
|
private:
|
||||||
void BranchToPatch(uintptr_t module_dest) {
|
void BranchToPatch(uintptr_t module_dest) {
|
||||||
m_branch_to_patch_relocations.push_back({c.offset(), module_dest});
|
curr_patch->m_branch_to_patch_relocations.push_back({c.offset(), module_dest});
|
||||||
}
|
}
|
||||||
|
|
||||||
void BranchToModule(uintptr_t module_dest) {
|
void BranchToModule(uintptr_t module_dest) {
|
||||||
m_branch_to_module_relocations.push_back({c.offset(), module_dest});
|
curr_patch->m_branch_to_module_relocations.push_back({c.offset(), module_dest});
|
||||||
c.dw(0);
|
c.dw(0);
|
||||||
}
|
}
|
||||||
|
|
||||||
void WriteModulePc(uintptr_t module_dest) {
|
void WriteModulePc(uintptr_t module_dest) {
|
||||||
m_write_module_pc_relocations.push_back({c.offset(), module_dest});
|
curr_patch->m_write_module_pc_relocations.push_back({c.offset(), module_dest});
|
||||||
c.dx(0);
|
c.dx(0);
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -84,15 +84,22 @@ private:
|
|||||||
uintptr_t module_offset; ///< Offset in bytes from the start of the text section.
|
uintptr_t module_offset; ///< Offset in bytes from the start of the text section.
|
||||||
};
|
};
|
||||||
|
|
||||||
|
struct ModulePatch {
|
||||||
|
std::vector<Trampoline> m_trampolines;
|
||||||
|
std::vector<Relocation> m_branch_to_patch_relocations{};
|
||||||
|
std::vector<Relocation> m_branch_to_module_relocations{};
|
||||||
|
std::vector<Relocation> m_write_module_pc_relocations{};
|
||||||
|
std::vector<ModuleTextAddress> m_exclusives{};
|
||||||
|
};
|
||||||
|
|
||||||
oaknut::VectorCodeGenerator c;
|
oaknut::VectorCodeGenerator c;
|
||||||
std::vector<Trampoline> m_trampolines;
|
|
||||||
std::vector<Relocation> m_branch_to_patch_relocations{};
|
|
||||||
std::vector<Relocation> m_branch_to_module_relocations{};
|
|
||||||
std::vector<Relocation> m_write_module_pc_relocations{};
|
|
||||||
std::vector<ModuleTextAddress> m_exclusives{};
|
|
||||||
oaknut::Label m_save_context{};
|
oaknut::Label m_save_context{};
|
||||||
oaknut::Label m_load_context{};
|
oaknut::Label m_load_context{};
|
||||||
PatchMode mode{PatchMode::None};
|
PatchMode mode{PatchMode::None};
|
||||||
|
size_t total_program_size{};
|
||||||
|
size_t m_relocate_module_index{};
|
||||||
|
std::vector<ModulePatch> modules;
|
||||||
|
ModulePatch* curr_patch;
|
||||||
};
|
};
|
||||||
|
|
||||||
} // namespace Core::NCE
|
} // namespace Core::NCE
|
||||||
|
@ -1239,10 +1239,10 @@ void KProcess::LoadModule(CodeSet code_set, KProcessAddress base_addr) {
|
|||||||
ReprotectSegment(code_set.DataSegment(), Svc::MemoryPermission::ReadWrite);
|
ReprotectSegment(code_set.DataSegment(), Svc::MemoryPermission::ReadWrite);
|
||||||
|
|
||||||
#ifdef HAS_NCE
|
#ifdef HAS_NCE
|
||||||
if (this->IsApplication() && Settings::IsNceEnabled()) {
|
const auto& patch = code_set.PatchSegment();
|
||||||
|
if (this->IsApplication() && Settings::IsNceEnabled() && patch.size != 0) {
|
||||||
auto& buffer = m_kernel.System().DeviceMemory().buffer;
|
auto& buffer = m_kernel.System().DeviceMemory().buffer;
|
||||||
const auto& code = code_set.CodeSegment();
|
const auto& code = code_set.CodeSegment();
|
||||||
const auto& patch = code_set.PatchSegment();
|
|
||||||
buffer.Protect(GetInteger(base_addr + code.addr), code.size,
|
buffer.Protect(GetInteger(base_addr + code.addr), code.size,
|
||||||
Common::MemoryPermission::Read | Common::MemoryPermission::Execute);
|
Common::MemoryPermission::Read | Common::MemoryPermission::Execute);
|
||||||
buffer.Protect(GetInteger(base_addr + patch.addr), patch.size,
|
buffer.Protect(GetInteger(base_addr + patch.addr), patch.size,
|
||||||
|
@ -19,8 +19,54 @@
|
|||||||
#include "core/arm/nce/patcher.h"
|
#include "core/arm/nce/patcher.h"
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
#ifndef HAS_NCE
|
||||||
|
namespace Core::NCE {
|
||||||
|
class Patcher {};
|
||||||
|
} // namespace Core::NCE
|
||||||
|
#endif
|
||||||
|
|
||||||
namespace Loader {
|
namespace Loader {
|
||||||
|
|
||||||
|
struct PatchCollection {
|
||||||
|
explicit PatchCollection(bool is_application_) : is_application{is_application_} {
|
||||||
|
module_patcher_indices.fill(-1);
|
||||||
|
patchers.emplace_back();
|
||||||
|
}
|
||||||
|
|
||||||
|
std::vector<Core::NCE::Patcher>* GetPatchers() {
|
||||||
|
if (is_application && Settings::IsNceEnabled()) {
|
||||||
|
return &patchers;
|
||||||
|
}
|
||||||
|
return nullptr;
|
||||||
|
}
|
||||||
|
|
||||||
|
size_t GetTotalPatchSize() const {
|
||||||
|
size_t total_size{};
|
||||||
|
#ifdef HAS_NCE
|
||||||
|
for (auto& patcher : patchers) {
|
||||||
|
total_size += patcher.GetSectionSize();
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
return total_size;
|
||||||
|
}
|
||||||
|
|
||||||
|
void SaveIndex(size_t module) {
|
||||||
|
module_patcher_indices[module] = static_cast<s32>(patchers.size() - 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
s32 GetIndex(size_t module) const {
|
||||||
|
return module_patcher_indices[module];
|
||||||
|
}
|
||||||
|
|
||||||
|
s32 GetLastIndex() const {
|
||||||
|
return static_cast<s32>(patchers.size()) - 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool is_application;
|
||||||
|
std::vector<Core::NCE::Patcher> patchers;
|
||||||
|
std::array<s32, 13> module_patcher_indices{};
|
||||||
|
};
|
||||||
|
|
||||||
AppLoader_DeconstructedRomDirectory::AppLoader_DeconstructedRomDirectory(FileSys::VirtualFile file_,
|
AppLoader_DeconstructedRomDirectory::AppLoader_DeconstructedRomDirectory(FileSys::VirtualFile file_,
|
||||||
bool override_update_)
|
bool override_update_)
|
||||||
: AppLoader(std::move(file_)), override_update(override_update_), is_hbl(false) {
|
: AppLoader(std::move(file_)), override_update(override_update_), is_hbl(false) {
|
||||||
@ -142,18 +188,7 @@ AppLoader_DeconstructedRomDirectory::LoadResult AppLoader_DeconstructedRomDirect
|
|||||||
std::size_t code_size{};
|
std::size_t code_size{};
|
||||||
|
|
||||||
// Define an nce patch context for each potential module.
|
// Define an nce patch context for each potential module.
|
||||||
#ifdef HAS_NCE
|
PatchCollection patch_ctx{is_application};
|
||||||
std::array<Core::NCE::Patcher, 13> module_patchers;
|
|
||||||
#endif
|
|
||||||
|
|
||||||
const auto GetPatcher = [&](size_t i) -> Core::NCE::Patcher* {
|
|
||||||
#ifdef HAS_NCE
|
|
||||||
if (is_application && Settings::IsNceEnabled()) {
|
|
||||||
return &module_patchers[i];
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
return nullptr;
|
|
||||||
};
|
|
||||||
|
|
||||||
// Use the NSO module loader to figure out the code layout
|
// Use the NSO module loader to figure out the code layout
|
||||||
for (size_t i = 0; i < static_modules.size(); i++) {
|
for (size_t i = 0; i < static_modules.size(); i++) {
|
||||||
@ -164,13 +199,14 @@ AppLoader_DeconstructedRomDirectory::LoadResult AppLoader_DeconstructedRomDirect
|
|||||||
}
|
}
|
||||||
|
|
||||||
const bool should_pass_arguments = std::strcmp(module, "rtld") == 0;
|
const bool should_pass_arguments = std::strcmp(module, "rtld") == 0;
|
||||||
const auto tentative_next_load_addr =
|
const auto tentative_next_load_addr = AppLoader_NSO::LoadModule(
|
||||||
AppLoader_NSO::LoadModule(process, system, *module_file, code_size,
|
process, system, *module_file, code_size, should_pass_arguments, false, {},
|
||||||
should_pass_arguments, false, {}, GetPatcher(i));
|
patch_ctx.GetPatchers(), patch_ctx.GetLastIndex());
|
||||||
if (!tentative_next_load_addr) {
|
if (!tentative_next_load_addr) {
|
||||||
return {ResultStatus::ErrorLoadingNSO, {}};
|
return {ResultStatus::ErrorLoadingNSO, {}};
|
||||||
}
|
}
|
||||||
|
|
||||||
|
patch_ctx.SaveIndex(i);
|
||||||
code_size = *tentative_next_load_addr;
|
code_size = *tentative_next_load_addr;
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -184,6 +220,9 @@ AppLoader_DeconstructedRomDirectory::LoadResult AppLoader_DeconstructedRomDirect
|
|||||||
return 0;
|
return 0;
|
||||||
}();
|
}();
|
||||||
|
|
||||||
|
// Add patch size to the total module size
|
||||||
|
code_size += patch_ctx.GetTotalPatchSize();
|
||||||
|
|
||||||
// Setup the process code layout
|
// Setup the process code layout
|
||||||
if (process.LoadFromMetadata(metadata, code_size, fastmem_base, is_hbl).IsError()) {
|
if (process.LoadFromMetadata(metadata, code_size, fastmem_base, is_hbl).IsError()) {
|
||||||
return {ResultStatus::ErrorUnableToParseKernelMetadata, {}};
|
return {ResultStatus::ErrorUnableToParseKernelMetadata, {}};
|
||||||
@ -204,9 +243,9 @@ AppLoader_DeconstructedRomDirectory::LoadResult AppLoader_DeconstructedRomDirect
|
|||||||
|
|
||||||
const VAddr load_addr{next_load_addr};
|
const VAddr load_addr{next_load_addr};
|
||||||
const bool should_pass_arguments = std::strcmp(module, "rtld") == 0;
|
const bool should_pass_arguments = std::strcmp(module, "rtld") == 0;
|
||||||
const auto tentative_next_load_addr =
|
const auto tentative_next_load_addr = AppLoader_NSO::LoadModule(
|
||||||
AppLoader_NSO::LoadModule(process, system, *module_file, load_addr,
|
process, system, *module_file, load_addr, should_pass_arguments, true, pm,
|
||||||
should_pass_arguments, true, pm, GetPatcher(i));
|
patch_ctx.GetPatchers(), patch_ctx.GetIndex(i));
|
||||||
if (!tentative_next_load_addr) {
|
if (!tentative_next_load_addr) {
|
||||||
return {ResultStatus::ErrorLoadingNSO, {}};
|
return {ResultStatus::ErrorLoadingNSO, {}};
|
||||||
}
|
}
|
||||||
|
@ -77,7 +77,8 @@ std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::KProcess& process, Core::
|
|||||||
const FileSys::VfsFile& nso_file, VAddr load_base,
|
const FileSys::VfsFile& nso_file, VAddr load_base,
|
||||||
bool should_pass_arguments, bool load_into_process,
|
bool should_pass_arguments, bool load_into_process,
|
||||||
std::optional<FileSys::PatchManager> pm,
|
std::optional<FileSys::PatchManager> pm,
|
||||||
Core::NCE::Patcher* patch) {
|
std::vector<Core::NCE::Patcher>* patches,
|
||||||
|
s32 patch_index) {
|
||||||
if (nso_file.GetSize() < sizeof(NSOHeader)) {
|
if (nso_file.GetSize() < sizeof(NSOHeader)) {
|
||||||
return std::nullopt;
|
return std::nullopt;
|
||||||
}
|
}
|
||||||
@ -94,8 +95,11 @@ std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::KProcess& process, Core::
|
|||||||
// Allocate some space at the beginning if we are patching in PreText mode.
|
// Allocate some space at the beginning if we are patching in PreText mode.
|
||||||
const size_t module_start = [&]() -> size_t {
|
const size_t module_start = [&]() -> size_t {
|
||||||
#ifdef HAS_NCE
|
#ifdef HAS_NCE
|
||||||
if (patch && patch->GetPatchMode() == Core::NCE::PatchMode::PreText) {
|
if (patches && load_into_process) {
|
||||||
return patch->GetSectionSize();
|
auto* patch = &patches->operator[](patch_index);
|
||||||
|
if (patch->GetPatchMode() == Core::NCE::PatchMode::PreText) {
|
||||||
|
return patch->GetSectionSize();
|
||||||
|
}
|
||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
return 0;
|
return 0;
|
||||||
@ -160,27 +164,24 @@ std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::KProcess& process, Core::
|
|||||||
#ifdef HAS_NCE
|
#ifdef HAS_NCE
|
||||||
// If we are computing the process code layout and using nce backend, patch.
|
// If we are computing the process code layout and using nce backend, patch.
|
||||||
const auto& code = codeset.CodeSegment();
|
const auto& code = codeset.CodeSegment();
|
||||||
if (patch && patch->GetPatchMode() == Core::NCE::PatchMode::None) {
|
auto* patch = patches ? &patches->operator[](patch_index) : nullptr;
|
||||||
|
if (patch && !load_into_process) {
|
||||||
// Patch SVCs and MRS calls in the guest code
|
// Patch SVCs and MRS calls in the guest code
|
||||||
patch->PatchText(program_image, code);
|
while (!patch->PatchText(program_image, code)) {
|
||||||
|
patch = &patches->emplace_back();
|
||||||
// Add patch section size to the module size.
|
}
|
||||||
image_size += static_cast<u32>(patch->GetSectionSize());
|
|
||||||
} else if (patch) {
|
} else if (patch) {
|
||||||
// Relocate code patch and copy to the program_image.
|
// Relocate code patch and copy to the program_image.
|
||||||
patch->RelocateAndCopy(load_base, code, program_image, &process.GetPostHandlers());
|
if (patch->RelocateAndCopy(load_base, code, program_image, &process.GetPostHandlers())) {
|
||||||
|
// Update patch section.
|
||||||
// Update patch section.
|
auto& patch_segment = codeset.PatchSegment();
|
||||||
auto& patch_segment = codeset.PatchSegment();
|
patch_segment.addr =
|
||||||
patch_segment.addr =
|
patch->GetPatchMode() == Core::NCE::PatchMode::PreText ? 0 : image_size;
|
||||||
patch->GetPatchMode() == Core::NCE::PatchMode::PreText ? 0 : image_size;
|
patch_segment.size = static_cast<u32>(patch->GetSectionSize());
|
||||||
patch_segment.size = static_cast<u32>(patch->GetSectionSize());
|
|
||||||
|
|
||||||
// Add patch section size to the module size. In PreText mode image_size
|
|
||||||
// already contains the patch segment as part of module_start.
|
|
||||||
if (patch->GetPatchMode() == Core::NCE::PatchMode::PostData) {
|
|
||||||
image_size += patch_segment.size;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Refresh image_size to take account the patch section if it was added by RelocateAndCopy
|
||||||
|
image_size = static_cast<u32>(program_image.size());
|
||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
@ -93,7 +93,8 @@ public:
|
|||||||
const FileSys::VfsFile& nso_file, VAddr load_base,
|
const FileSys::VfsFile& nso_file, VAddr load_base,
|
||||||
bool should_pass_arguments, bool load_into_process,
|
bool should_pass_arguments, bool load_into_process,
|
||||||
std::optional<FileSys::PatchManager> pm = {},
|
std::optional<FileSys::PatchManager> pm = {},
|
||||||
Core::NCE::Patcher* patch = nullptr);
|
std::vector<Core::NCE::Patcher>* patches = nullptr,
|
||||||
|
s32 patch_index = -1);
|
||||||
|
|
||||||
LoadResult Load(Kernel::KProcess& process, Core::System& system) override;
|
LoadResult Load(Kernel::KProcess& process, Core::System& system) override;
|
||||||
|
|
||||||
|
Loading…
Reference in New Issue
Block a user