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process: Make MirrorMemory take state to map new memory as

Credits to Subv
This commit is contained in:
Zach Hilman 2018-10-29 21:55:06 -04:00
parent 8aa17f0480
commit 0276761a1e
2 changed files with 7 additions and 3 deletions

View file

@ -259,7 +259,8 @@ public:
ResultVal<VAddr> HeapAllocate(VAddr target, u64 size, VMAPermission perms); ResultVal<VAddr> HeapAllocate(VAddr target, u64 size, VMAPermission perms);
ResultCode HeapFree(VAddr target, u32 size); ResultCode HeapFree(VAddr target, u32 size);
ResultCode MirrorMemory(VAddr dst_addr, VAddr src_addr, u64 size); ResultCode MirrorMemory(VAddr dst_addr, VAddr src_addr, u64 size,
MemoryState state = MemoryState::Mapped);
ResultCode UnmapMemory(VAddr dst_addr, VAddr src_addr, u64 size); ResultCode UnmapMemory(VAddr dst_addr, VAddr src_addr, u64 size);

View file

@ -170,17 +170,20 @@ static constexpr u32 PageAlignSize(u32 size) {
arg_data.size()); arg_data.size());
} }
// Read MOD header
ModHeader mod_header{};
// Default .bss to NRO header bss size if MOD0 section doesn't exist // Default .bss to NRO header bss size if MOD0 section doesn't exist
u32 bss_size{PageAlignSize(nro_header.bss_size)}; u32 bss_size{PageAlignSize(nro_header.bss_size)};
// Read MOD header
ModHeader mod_header{};
std::memcpy(&mod_header, program_image.data() + nro_header.module_header_offset, std::memcpy(&mod_header, program_image.data() + nro_header.module_header_offset,
sizeof(ModHeader)); sizeof(ModHeader));
const bool has_mod_header{mod_header.magic == Common::MakeMagic('M', 'O', 'D', '0')}; const bool has_mod_header{mod_header.magic == Common::MakeMagic('M', 'O', 'D', '0')};
if (has_mod_header) { if (has_mod_header) {
// Resize program image to include .bss section and page align each section // Resize program image to include .bss section and page align each section
bss_size = PageAlignSize(mod_header.bss_end_offset - mod_header.bss_start_offset); bss_size = PageAlignSize(mod_header.bss_end_offset - mod_header.bss_start_offset);
} }
codeset.DataSegment().size += bss_size; codeset.DataSegment().size += bss_size;
program_image.resize(static_cast<u32>(program_image.size()) + bss_size); program_image.resize(static_cast<u32>(program_image.size()) + bss_size);