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Code Issues Releases Activity

loader: remove more unused ro functionality

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This commit is contained in:
Michael Scire 2019-04-22 00:40:19 -07:00
parent cb74bc6bb8
commit bfd04cfe92
2 changed files with 0 additions and 167 deletions
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73
stratosphere/loader/source/ldr_map.cpp
View file

@ -27,15 +27,6 @@ Result MapUtils::LocateSpaceForMap(u64 *out, u64 out_size) {
}
}
Result MapUtils::MapCodeMemoryForProcess(Handle process_h, bool is_64_bit_address_space, u64 base_address, u64 size, u64 *out_code_memory_address) {
if (kernelAbove200()) {
return MapCodeMemoryForProcessModern(process_h, base_address, size, out_code_memory_address);
} else {
return MapCodeMemoryForProcessDeprecated(process_h, is_64_bit_address_space, base_address, size, out_code_memory_address);
}
}
Result MapUtils::LocateSpaceForMapModern(u64 *out, u64 out_size) {
MemoryInfo mem_info = {};
AddressSpaceInfo address_space = {};
@ -126,70 +117,6 @@ Result MapUtils::LocateSpaceForMapDeprecated(u64 *out, u64 out_size) {
return rc;
}
Result MapUtils::MapCodeMemoryForProcessModern(Handle process_h, u64 base_address, u64 size, u64 *out_code_memory_address) {
AddressSpaceInfo address_space = {};
Result rc;
if (R_FAILED((rc = GetAddressSpaceInfo(&address_space, process_h)))) {
return rc;
}
if (size > address_space.addspace_size) {
return ResultLoaderInsufficientAddressSpace;
}
u64 try_address;
for (unsigned int i = 0; i < 0x200; i++) {
while (true) {
try_address = address_space.addspace_base + (StratosphereRandomUtils::GetRandomU64((u64)(address_space.addspace_size - size) >> 12) << 12);
if (address_space.heap_size && (address_space.heap_base <= try_address + size - 1 && try_address <= address_space.heap_end - 1)) {
continue;
}
if (address_space.map_size && (address_space.map_base <= try_address + size - 1 && try_address <= address_space.map_end - 1)) {
continue;
}
break;
}
rc = svcMapProcessCodeMemory(process_h, try_address, base_address, size);
if (rc != ResultKernelInvalidMemoryState) {
break;
}
}
if (R_SUCCEEDED(rc)) {
*out_code_memory_address = try_address;
}
return rc;
}
Result MapUtils::MapCodeMemoryForProcessDeprecated(Handle process_h, bool is_64_bit_address_space, u64 base_address, u64 size, u64 *out_code_memory_address) {
Result rc;
u64 addspace_base, addspace_size;
if (is_64_bit_address_space) {
addspace_base = 0x8000000ULL;
addspace_size = 0x78000000ULL;
} else {
addspace_base = 0x200000ULL;
addspace_size = 0x3FE0000ULL;
}
if (size > addspace_size) {
return ResultLoaderInsufficientAddressSpace;
}
u64 try_address;
for (unsigned int i = 0; i < 0x200; i++) {
try_address = addspace_base + (StratosphereRandomUtils::GetRandomU64((u64)(addspace_size - size) >> 12) << 12);
rc = svcMapProcessCodeMemory(process_h, try_address, base_address, size);
if (rc != ResultKernelInvalidMemoryState) {
break;
}
}
if (R_SUCCEEDED(rc)) {
*out_code_memory_address = try_address;
}
return rc;
}
Result MapUtils::GetAddressSpaceInfo(AddressSpaceInfo *out, Handle process_h) {
Result rc;
if (R_FAILED((rc = svcGetInfo(&out->heap_base, 4, process_h, 0)))) {

94
stratosphere/loader/source/ldr_map.hpp
View file

@ -35,11 +35,6 @@ class MapUtils {
static Result LocateSpaceForMapDeprecated(u64 *out, u64 out_size);
static Result LocateSpaceForMapModern(u64 *out, u64 out_size);
static Result LocateSpaceForMap(u64 *out, u64 out_size);
static Result MapCodeMemoryForProcessDeprecated(Handle process_h, bool is_64_bit_address_space, u64 base_address, u64 size, u64 *out_code_memory_address);
static Result MapCodeMemoryForProcessModern(Handle process_h, u64 base_address, u64 size, u64 *out_code_memory_address);
static Result MapCodeMemoryForProcess(Handle process_h, bool is_64_bit_address_space, u64 base_address, u64 size, u64 *out_code_memory_address);
};
class AutoCloseMap {
@ -84,92 +79,3 @@ class AutoCloseMap {
}
}
};
struct MappedCodeMemory {
Handle process_handle;
u64 base_address;
u64 size;
u64 code_memory_address;
void *mapped_address;
bool IsActive() {
return this->code_memory_address != 0;
}
bool IsMapped() {
return this->mapped_address != NULL;
}
/* Utility functions. */
Result Open(Handle process_h, bool is_64_bit_address_space, u64 address, u64 size) {
Result rc;
if (this->IsActive()) {
return ResultLoaderInternalError;
}
this->process_handle = process_h;
this->base_address = address;
this->size = size;
if (R_FAILED((rc = MapUtils::MapCodeMemoryForProcess(this->process_handle, is_64_bit_address_space, this->base_address, this->size, &this->code_memory_address)))) {
Close();
}
return rc;
}
Result OpenAtAddress(Handle process_h, u64 address, u64 size, u64 target_code_memory_address) {
Result rc;
if (this->IsActive()) {
return ResultLoaderInternalError;
}
this->process_handle = process_h;
this->base_address = address;
this->size = size;
if (R_SUCCEEDED((rc = svcMapProcessCodeMemory(this->process_handle, target_code_memory_address, this->base_address, this->size)))) {
this->code_memory_address = target_code_memory_address;
} else {
Close();
}
return rc;
}
Result Map() {
Result rc;
u64 try_address;
if (this->IsMapped()) {
return ResultLoaderInternalError;
}
if (R_FAILED(rc = MapUtils::LocateSpaceForMap(&try_address, size))) {
return rc;
}
if (R_FAILED((rc = svcMapProcessMemory((void *)try_address, this->process_handle, this->code_memory_address, size)))) {
return rc;
}
this->mapped_address = (void *)try_address;
return rc;
}
Result Unmap() {
Result rc = ResultSuccess;
if (this->IsMapped()) {
if (R_FAILED((rc = svcUnmapProcessMemory(this->mapped_address, this->process_handle, this->code_memory_address, this->size)))) {
/* TODO: panic(). */
}
}
this->mapped_address = NULL;
return rc;
}
void Close() {
Unmap();
if (this->IsActive()) {
if (R_FAILED(svcUnmapProcessCodeMemory(this->process_handle, this->code_memory_address, this->base_address, this->size))) {
/* TODO: panic(). */
}
}
*this = {};
}
};