mirror of
https://github.com/Lime3DS/Lime3DS
synced 2024-12-27 17:42:40 -06:00
ldr_ro: pass process reference to memory operation
Note that not all memory operation is fixed. Specifically, u8/u16/u32 Read/Write is still using the current page tabel
This commit is contained in:
Weiyi Wang
parent
d4ba87d90a
commit
524364d95a
3 changed files with 62 additions and 42 deletions
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@ -7,6 +7,7 @@
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#include "common/scope_exit.h"
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#include "core/arm/arm_interface.h"
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#include "core/core.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/service/ldr_ro/cro_helper.h"
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namespace Service::LDR {
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@ -120,7 +121,7 @@ ResultCode CROHelper::ApplyRelocationBatch(VAddr batch, u32 symbol_address, bool
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VAddr relocation_address = batch;
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while (true) {
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RelocationEntry relocation;
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Memory::ReadBlock(relocation_address, &relocation, sizeof(RelocationEntry));
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Memory::ReadBlock(process, relocation_address, &relocation, sizeof(RelocationEntry));
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VAddr relocation_target = SegmentTagToAddress(relocation.target_position);
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if (relocation_target == 0) {
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@ -141,9 +142,9 @@ ResultCode CROHelper::ApplyRelocationBatch(VAddr batch, u32 symbol_address, bool
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}
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RelocationEntry relocation;
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Memory::ReadBlock(batch, &relocation, sizeof(RelocationEntry));
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Memory::ReadBlock(process, batch, &relocation, sizeof(RelocationEntry));
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relocation.is_batch_resolved = reset ? 0 : 1;
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Memory::WriteBlock(batch, &relocation, sizeof(RelocationEntry));
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Memory::WriteBlock(process, batch, &relocation, sizeof(RelocationEntry));
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return RESULT_SUCCESS;
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}
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@ -547,7 +548,7 @@ ResultCode CROHelper::ApplyStaticAnonymousSymbolToCRS(VAddr crs_address) {
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static_relocation_table_offset +
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GetField(StaticRelocationNum) * sizeof(StaticRelocationEntry);
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CROHelper crs(crs_address);
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CROHelper crs(crs_address, process);
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u32 offset_export_num = GetField(StaticAnonymousSymbolNum);
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LOG_INFO(Service_LDR, "CRO \"{}\" exports {} static anonymous symbols", ModuleName(),
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offset_export_num);
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@ -753,11 +754,12 @@ ResultCode CROHelper::ApplyImportNamedSymbol(VAddr crs_address) {
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GetEntry(i, entry);
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VAddr relocation_addr = entry.relocation_batch_offset;
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ExternalRelocationEntry relocation_entry;
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Memory::ReadBlock(relocation_addr, &relocation_entry, sizeof(ExternalRelocationEntry));
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Memory::ReadBlock(process, relocation_addr, &relocation_entry,
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sizeof(ExternalRelocationEntry));
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if (!relocation_entry.is_batch_resolved) {
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ResultCode result =
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ForEachAutoLinkCRO(crs_address, [&](CROHelper source) -> ResultVal<bool> {
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ForEachAutoLinkCRO(process, crs_address, [&](CROHelper source) -> ResultVal<bool> {
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std::string symbol_name =
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Memory::ReadCString(entry.name_offset, import_strings_size);
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u32 symbol_address = source.FindExportNamedSymbol(symbol_name);
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@ -795,7 +797,8 @@ ResultCode CROHelper::ResetImportNamedSymbol() {
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GetEntry(i, entry);
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VAddr relocation_addr = entry.relocation_batch_offset;
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ExternalRelocationEntry relocation_entry;
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Memory::ReadBlock(relocation_addr, &relocation_entry, sizeof(ExternalRelocationEntry));
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Memory::ReadBlock(process, relocation_addr, &relocation_entry,
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sizeof(ExternalRelocationEntry));
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ResultCode result = ApplyRelocationBatch(relocation_addr, unresolved_symbol, true);
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if (result.IsError()) {
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@ -815,7 +818,8 @@ ResultCode CROHelper::ResetImportIndexedSymbol() {
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GetEntry(i, entry);
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VAddr relocation_addr = entry.relocation_batch_offset;
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ExternalRelocationEntry relocation_entry;
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Memory::ReadBlock(relocation_addr, &relocation_entry, sizeof(ExternalRelocationEntry));
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Memory::ReadBlock(process, relocation_addr, &relocation_entry,
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sizeof(ExternalRelocationEntry));
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ResultCode result = ApplyRelocationBatch(relocation_addr, unresolved_symbol, true);
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if (result.IsError()) {
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@ -835,7 +839,8 @@ ResultCode CROHelper::ResetImportAnonymousSymbol() {
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GetEntry(i, entry);
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VAddr relocation_addr = entry.relocation_batch_offset;
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ExternalRelocationEntry relocation_entry;
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Memory::ReadBlock(relocation_addr, &relocation_entry, sizeof(ExternalRelocationEntry));
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Memory::ReadBlock(process, relocation_addr, &relocation_entry,
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sizeof(ExternalRelocationEntry));
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ResultCode result = ApplyRelocationBatch(relocation_addr, unresolved_symbol, true);
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if (result.IsError()) {
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@ -856,13 +861,13 @@ ResultCode CROHelper::ApplyModuleImport(VAddr crs_address) {
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std::string want_cro_name = Memory::ReadCString(entry.name_offset, import_strings_size);
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ResultCode result =
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ForEachAutoLinkCRO(crs_address, [&](CROHelper source) -> ResultVal<bool> {
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ForEachAutoLinkCRO(process, crs_address, [&](CROHelper source) -> ResultVal<bool> {
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if (want_cro_name == source.ModuleName()) {
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LOG_INFO(Service_LDR, "CRO \"{}\" imports {} indexed symbols from \"{}\"",
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ModuleName(), entry.import_indexed_symbol_num, source.ModuleName());
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for (u32 j = 0; j < entry.import_indexed_symbol_num; ++j) {
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ImportIndexedSymbolEntry im;
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entry.GetImportIndexedSymbolEntry(j, im);
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entry.GetImportIndexedSymbolEntry(process, j, im);
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ExportIndexedSymbolEntry ex;
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source.GetEntry(im.index, ex);
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u32 symbol_address = source.SegmentTagToAddress(ex.symbol_position);
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@ -879,7 +884,7 @@ ResultCode CROHelper::ApplyModuleImport(VAddr crs_address) {
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ModuleName(), entry.import_anonymous_symbol_num, source.ModuleName());
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for (u32 j = 0; j < entry.import_anonymous_symbol_num; ++j) {
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ImportAnonymousSymbolEntry im;
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entry.GetImportAnonymousSymbolEntry(j, im);
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entry.GetImportAnonymousSymbolEntry(process, j, im);
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u32 symbol_address = source.SegmentTagToAddress(im.symbol_position);
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LOG_TRACE(Service_LDR, " Imports 0x{:08X}", symbol_address);
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ResultCode result =
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@ -911,7 +916,8 @@ ResultCode CROHelper::ApplyExportNamedSymbol(CROHelper target) {
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target.GetEntry(i, entry);
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VAddr relocation_addr = entry.relocation_batch_offset;
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ExternalRelocationEntry relocation_entry;
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Memory::ReadBlock(relocation_addr, &relocation_entry, sizeof(ExternalRelocationEntry));
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Memory::ReadBlock(process, relocation_addr, &relocation_entry,
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sizeof(ExternalRelocationEntry));
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if (!relocation_entry.is_batch_resolved) {
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std::string symbol_name =
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@ -941,7 +947,8 @@ ResultCode CROHelper::ResetExportNamedSymbol(CROHelper target) {
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target.GetEntry(i, entry);
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VAddr relocation_addr = entry.relocation_batch_offset;
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ExternalRelocationEntry relocation_entry;
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Memory::ReadBlock(relocation_addr, &relocation_entry, sizeof(ExternalRelocationEntry));
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Memory::ReadBlock(process, relocation_addr, &relocation_entry,
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sizeof(ExternalRelocationEntry));
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if (relocation_entry.is_batch_resolved) {
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std::string symbol_name =
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@ -976,7 +983,7 @@ ResultCode CROHelper::ApplyModuleExport(CROHelper target) {
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entry.import_indexed_symbol_num, target.ModuleName());
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for (u32 j = 0; j < entry.import_indexed_symbol_num; ++j) {
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ImportIndexedSymbolEntry im;
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entry.GetImportIndexedSymbolEntry(j, im);
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entry.GetImportIndexedSymbolEntry(process, j, im);
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ExportIndexedSymbolEntry ex;
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GetEntry(im.index, ex);
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u32 symbol_address = SegmentTagToAddress(ex.symbol_position);
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@ -993,7 +1000,7 @@ ResultCode CROHelper::ApplyModuleExport(CROHelper target) {
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entry.import_anonymous_symbol_num, target.ModuleName());
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for (u32 j = 0; j < entry.import_anonymous_symbol_num; ++j) {
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ImportAnonymousSymbolEntry im;
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entry.GetImportAnonymousSymbolEntry(j, im);
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entry.GetImportAnonymousSymbolEntry(process, j, im);
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u32 symbol_address = SegmentTagToAddress(im.symbol_position);
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LOG_TRACE(Service_LDR, " exports symbol 0x{:08X}", symbol_address);
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ResultCode result =
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@ -1025,7 +1032,7 @@ ResultCode CROHelper::ResetModuleExport(CROHelper target) {
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target.ModuleName());
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for (u32 j = 0; j < entry.import_indexed_symbol_num; ++j) {
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ImportIndexedSymbolEntry im;
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entry.GetImportIndexedSymbolEntry(j, im);
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entry.GetImportIndexedSymbolEntry(process, j, im);
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ResultCode result =
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target.ApplyRelocationBatch(im.relocation_batch_offset, unresolved_symbol, true);
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if (result.IsError()) {
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@ -1038,7 +1045,7 @@ ResultCode CROHelper::ResetModuleExport(CROHelper target) {
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target.ModuleName());
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for (u32 j = 0; j < entry.import_anonymous_symbol_num; ++j) {
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ImportAnonymousSymbolEntry im;
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entry.GetImportAnonymousSymbolEntry(j, im);
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entry.GetImportAnonymousSymbolEntry(process, j, im);
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ResultCode result =
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target.ApplyRelocationBatch(im.relocation_batch_offset, unresolved_symbol, true);
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if (result.IsError()) {
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@ -1059,11 +1066,12 @@ ResultCode CROHelper::ApplyExitRelocations(VAddr crs_address) {
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GetEntry(i, entry);
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VAddr relocation_addr = entry.relocation_batch_offset;
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ExternalRelocationEntry relocation_entry;
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Memory::ReadBlock(relocation_addr, &relocation_entry, sizeof(ExternalRelocationEntry));
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Memory::ReadBlock(process, relocation_addr, &relocation_entry,
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sizeof(ExternalRelocationEntry));
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if (Memory::ReadCString(entry.name_offset, import_strings_size) == "__aeabi_atexit") {
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ResultCode result =
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ForEachAutoLinkCRO(crs_address, [&](CROHelper source) -> ResultVal<bool> {
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ForEachAutoLinkCRO(process, crs_address, [&](CROHelper source) -> ResultVal<bool> {
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u32 symbol_address = source.FindExportNamedSymbol("nnroAeabiAtexit_");
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if (symbol_address != 0) {
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@ -1291,7 +1299,7 @@ ResultCode CROHelper::Link(VAddr crs_address, bool link_on_load_bug_fix) {
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}
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// Exports symbols to other modules
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result = ForEachAutoLinkCRO(crs_address, [this](CROHelper target) -> ResultVal<bool> {
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result = ForEachAutoLinkCRO(process, crs_address, [this](CROHelper target) -> ResultVal<bool> {
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ResultCode result = ApplyExportNamedSymbol(target);
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if (result.IsError())
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return result;
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@ -1335,7 +1343,7 @@ ResultCode CROHelper::Unlink(VAddr crs_address) {
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// Resets all symbols in other modules imported from this module
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// Note: the RO service seems only searching in auto-link modules
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result = ForEachAutoLinkCRO(crs_address, [this](CROHelper target) -> ResultVal<bool> {
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result = ForEachAutoLinkCRO(process, crs_address, [this](CROHelper target) -> ResultVal<bool> {
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ResultCode result = ResetExportNamedSymbol(target);
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if (result.IsError())
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return result;
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@ -1375,13 +1383,13 @@ void CROHelper::InitCRS() {
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}
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void CROHelper::Register(VAddr crs_address, bool auto_link) {
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CROHelper crs(crs_address);
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CROHelper head(auto_link ? crs.NextModule() : crs.PreviousModule());
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CROHelper crs(crs_address, process);
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CROHelper head(auto_link ? crs.NextModule() : crs.PreviousModule(), process);
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if (head.module_address) {
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// there are already CROs registered
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// register as the new tail
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CROHelper tail(head.PreviousModule());
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CROHelper tail(head.PreviousModule(), process);
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// link with the old tail
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ASSERT(tail.NextModule() == 0);
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@ -1407,9 +1415,9 @@ void CROHelper::Register(VAddr crs_address, bool auto_link) {
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}
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void CROHelper::Unregister(VAddr crs_address) {
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CROHelper crs(crs_address);
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CROHelper next_head(crs.NextModule()), previous_head(crs.PreviousModule());
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CROHelper next(NextModule()), previous(PreviousModule());
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CROHelper crs(crs_address, process);
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CROHelper next_head(crs.NextModule(), process), previous_head(crs.PreviousModule(), process);
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CROHelper next(NextModule(), process), previous(PreviousModule(), process);
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if (module_address == next_head.module_address ||
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module_address == previous_head.module_address) {
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@ -11,6 +11,10 @@
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#include "core/hle/result.h"
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#include "core/memory.h"
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namespace Kernel {
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class Process;
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}
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namespace Service::LDR {
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// GCC versions < 5.0 do not implement std::is_trivially_copyable.
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@ -36,7 +40,8 @@ static constexpr u32 CRO_HASH_SIZE = 0x80;
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class CROHelper final {
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public:
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// TODO (wwylele): pass in the process handle for memory access
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explicit CROHelper(VAddr cro_address) : module_address(cro_address) {}
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explicit CROHelper(VAddr cro_address, Kernel::Process& process)
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: module_address(cro_address), process(process) {}
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std::string ModuleName() const {
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return Memory::ReadCString(GetField(ModuleNameOffset), GetField(ModuleNameSize));
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@ -144,6 +149,7 @@ public:
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private:
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const VAddr module_address; ///< the virtual address of this module
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Kernel::Process& process; ///< the owner process of this module
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/**
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* Each item in this enum represents a u32 field in the header begin from address+0x80,
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@ -311,14 +317,18 @@ private:
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static constexpr HeaderField TABLE_OFFSET_FIELD = ImportModuleTableOffset;
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void GetImportIndexedSymbolEntry(u32 index, ImportIndexedSymbolEntry& entry) {
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Memory::ReadBlock(import_indexed_symbol_table_offset +
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void GetImportIndexedSymbolEntry(Kernel::Process& process, u32 index,
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ImportIndexedSymbolEntry& entry) {
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Memory::ReadBlock(process,
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import_indexed_symbol_table_offset +
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index * sizeof(ImportIndexedSymbolEntry),
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&entry, sizeof(ImportIndexedSymbolEntry));
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}
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void GetImportAnonymousSymbolEntry(u32 index, ImportAnonymousSymbolEntry& entry) {
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Memory::ReadBlock(import_anonymous_symbol_table_offset +
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void GetImportAnonymousSymbolEntry(Kernel::Process& process, u32 index,
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ImportAnonymousSymbolEntry& entry) {
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Memory::ReadBlock(process,
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import_anonymous_symbol_table_offset +
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index * sizeof(ImportAnonymousSymbolEntry),
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&entry, sizeof(ImportAnonymousSymbolEntry));
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}
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@ -413,7 +423,8 @@ private:
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*/
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template <typename T>
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void GetEntry(std::size_t index, T& data) const {
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Memory::ReadBlock(GetField(T::TABLE_OFFSET_FIELD) + static_cast<u32>(index * sizeof(T)),
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Memory::ReadBlock(process,
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GetField(T::TABLE_OFFSET_FIELD) + static_cast<u32>(index * sizeof(T)),
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&data, sizeof(T));
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}
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@ -466,10 +477,11 @@ private:
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* otherwise error code of the last iteration.
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*/
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template <typename FunctionObject>
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static ResultCode ForEachAutoLinkCRO(VAddr crs_address, FunctionObject func) {
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static ResultCode ForEachAutoLinkCRO(Kernel::Process& process, VAddr crs_address,
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FunctionObject func) {
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VAddr current = crs_address;
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while (current != 0) {
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CROHelper cro(current);
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CROHelper cro(current, process);
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CASCADE_RESULT(bool next, func(cro));
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if (!next)
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break;
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@ -115,7 +115,7 @@ void RO::Initialize(Kernel::HLERequestContext& ctx) {
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return;
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}
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CROHelper crs(crs_address);
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CROHelper crs(crs_address, *process);
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crs.InitCRS();
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result = crs.Rebase(0, crs_size, 0, 0, 0, 0, true);
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@ -249,7 +249,7 @@ void RO::LoadCRO(Kernel::HLERequestContext& ctx, bool link_on_load_bug_fix) {
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return;
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}
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CROHelper cro(cro_address);
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CROHelper cro(cro_address, *process);
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result = cro.VerifyHash(cro_size, crr_address);
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if (result.IsError()) {
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@ -331,7 +331,7 @@ void RO::UnloadCRO(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_LDR, "called, cro_address=0x{:08X}, zero={}, cro_buffer_ptr=0x{:08X}",
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cro_address, zero, cro_buffer_ptr);
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CROHelper cro(cro_address);
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CROHelper cro(cro_address, *process);
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IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
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@ -398,7 +398,7 @@ void RO::LinkCRO(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_LDR, "called, cro_address=0x{:08X}", cro_address);
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CROHelper cro(cro_address);
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CROHelper cro(cro_address, *process);
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IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
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@ -438,7 +438,7 @@ void RO::UnlinkCRO(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_LDR, "called, cro_address=0x{:08X}", cro_address);
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CROHelper cro(cro_address);
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CROHelper cro(cro_address, *process);
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IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
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@ -487,7 +487,7 @@ void RO::Shutdown(Kernel::HLERequestContext& ctx) {
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return;
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}
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CROHelper crs(slot->loaded_crs);
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CROHelper crs(slot->loaded_crs, *process);
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crs.Unrebase(true);
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ResultCode result = RESULT_SUCCESS;
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