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This commit is contained in:
Sajid
2024-09-08 08:32:31 +06:00
parent 36fb31de3a
commit 6d79935928
8 changed files with 186 additions and 48 deletions
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17
PowerUtils/image.cpp
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@@ -5,21 +5,19 @@
void Image::Map(const std::string_view& name, size_t base, uint32_t size, uint8_t flags, uint8_t* data)
{
sections.emplace_back(std::string(name), this->base + base,
sections.emplace(std::string(name), this->base + base,
size, static_cast<SectionFlags>(flags), data);
}
const void* Image::Find(size_t address) const
{
for (const auto& section : sections)
const auto section = sections.find(address);
if (section == sections.end())
{
if (section == address)
{
return section.data + (address - section.base);
}
return nullptr;
}
return nullptr;
return section->data + (address - section->base);
}
std::expected<Image, int> Image::ParseImage(const uint8_t* data, size_t size)
@@ -44,6 +42,7 @@ Image ElfLoadImage(const uint8_t* data, size_t size)
Image image{};
image.size = size;
image.data = std::make_unique<uint8_t[]>(size);
image.entry_point = std::byteswap(header->e_entry);
memcpy(image.data.get(), data, size);
auto stringTableIndex = std::byteswap(header->e_shstrndx);
@@ -58,7 +57,7 @@ Image ElfLoadImage(const uint8_t* data, size_t size)
{
if (psections[i].p_type == std::byteswap((Elf32_Word)PT_LOAD))
{
image.base = psections[i].p_vaddr;
image.base = std::byteswap(psections[i].p_vaddr);
break;
}
}
@@ -68,7 +67,7 @@ Image ElfLoadImage(const uint8_t* data, size_t size)
for (size_t i = 0; i < numSections; i++)
{
const auto& section = sections[i];
if (section.sh_type == 0)
if (section.sh_type == 0 || section.sh_addr == 0)
{
continue;
}