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Loader: Start work on LoadNRR, Add AutoCloseMap

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This commit is contained in:
Michael Scire 2018-04-26 19:13:55 -06:00
parent b34b9ba0e4
commit 1d73bd0a12
5 changed files with 105 additions and 26 deletions
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43
stratosphere/loader/source/ldr_map.hpp
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@ -25,4 +25,47 @@ class MapUtils {
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 {
private:
void *mapped_address;
u64 base_address;
u64 size;
Handle process_handle;
public:
AutoCloseMap() : mapped_address(0), base_address(0), size(0), process_handle(0) { };
~AutoCloseMap() {
Close();
}
void *GetMappedAddress() {
return this->mapped_address;
}
Result Open(Handle process_h, u64 address, u64 size) {
Result rc;
u64 try_address;
if (R_FAILED(rc = MapUtils::LocateSpaceForMap(&try_address, size))) {
return rc;
}
if (R_FAILED((rc = svcMapProcessMemory((void *)try_address, process_h, try_address, size)))) {
return rc;
}
this->mapped_address = (void *)try_address;
this->process_handle = process_h;
this->base_address = address;
this->size = size;
return 0;
}
void Close() {
if (this->mapped_address) {
if (R_FAILED(svcUnmapProcessMemory(this->mapped_address, this->process_handle, this->base_address, this->size))) {
/* TODO: panic(). */
}
}
}
};