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loader/nso: Place translation unit specific functions into an anonymous namespace

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Makes it impossible to indirectly violate the ODR in some other
translation unit due to these existing.
This commit is contained in:
Lioncash 2019-03-22 14:00:01 -04:00
parent 611f4666fd
commit f3297d8cd1
1 changed files with 21 additions and 20 deletions
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41
src/core/loader/nso.cpp
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@ -21,7 +21,7 @@
#include "core/settings.h"
namespace Loader {
namespace {
struct MODHeader {
u32_le magic;
u32_le dynamic_offset;
@ -33,6 +33,26 @@ struct MODHeader {
};
static_assert(sizeof(MODHeader) == 0x1c, "MODHeader has incorrect size.");
std::vector<u8> DecompressSegment(const std::vector<u8>& compressed_data,
const NSOSegmentHeader& header) {
std::vector<u8> uncompressed_data(header.size);
const int bytes_uncompressed =
LZ4_decompress_safe(reinterpret_cast<const char*>(compressed_data.data()),
reinterpret_cast<char*>(uncompressed_data.data()),
static_cast<int>(compressed_data.size()), header.size);
ASSERT_MSG(bytes_uncompressed == static_cast<int>(header.size) &&
bytes_uncompressed == static_cast<int>(uncompressed_data.size()),
"{} != {} != {}", bytes_uncompressed, header.size, uncompressed_data.size());
return uncompressed_data;
}
constexpr u32 PageAlignSize(u32 size) {
return (size + Memory::PAGE_MASK) & ~Memory::PAGE_MASK;
}
} // Anonymous namespace
bool NSOHeader::IsSegmentCompressed(size_t segment_num) const {
ASSERT_MSG(segment_num < 3, "Invalid segment {}", segment_num);
return ((flags >> segment_num) & 1) != 0;
@ -53,25 +73,6 @@ FileType AppLoader_NSO::IdentifyType(const FileSys::VirtualFile& file) {
return FileType::NSO;
}
static std::vector<u8> DecompressSegment(const std::vector<u8>& compressed_data,
const NSOSegmentHeader& header) {
std::vector<u8> uncompressed_data(header.size);
const int bytes_uncompressed =
LZ4_decompress_safe(reinterpret_cast<const char*>(compressed_data.data()),
reinterpret_cast<char*>(uncompressed_data.data()),
static_cast<int>(compressed_data.size()), header.size);
ASSERT_MSG(bytes_uncompressed == static_cast<int>(header.size) &&
bytes_uncompressed == static_cast<int>(uncompressed_data.size()),
"{} != {} != {}", bytes_uncompressed, header.size, uncompressed_data.size());
return uncompressed_data;
}
static constexpr u32 PageAlignSize(u32 size) {
return (size + Memory::PAGE_MASK) & ~Memory::PAGE_MASK;
}
std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::Process& process,
const FileSys::VfsFile& file, VAddr load_base,
bool should_pass_arguments,