Bananymous/banan-os
1
1
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Kernel: Rewrite all read/write functions to use BAN::ByteSpan

Browse Source 
This allows us to not work with raw pointers and use sized containers
for reading and writing.
This commit is contained in:
Bananymous
2023-10-20 05:07:44 +03:00
parent 71cad2fc38
commit f3d9da9549
36 changed files with 216 additions and 177 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
LibELF/LibELF/LoadableELF.cpp
View File

@@ -62,7 +62,7 @@ namespace LibELF
return BAN::Error::from_errno(ENOEXEC);
}
size_t nread = TRY(m_inode->read(0, &m_file_header, sizeof(m_file_header)));
size_t nread = TRY(m_inode->read(0, BAN::ByteSpan::from(m_file_header)));
ASSERT(nread == sizeof(m_file_header));
if (m_file_header.e_ident[EI_MAG0] != ELFMAG0 ||
@@ -113,7 +113,7 @@ namespace LibELF
TRY(m_program_headers.resize(m_file_header.e_phnum));
for (size_t i = 0; i < m_file_header.e_phnum; i++)
{
TRY(m_inode->read(m_file_header.e_phoff + m_file_header.e_phentsize * i, &m_program_headers[i], m_file_header.e_phentsize));
TRY(m_inode->read(m_file_header.e_phoff + m_file_header.e_phentsize * i, BAN::ByteSpan::from(m_program_headers[i])));
const auto& pheader = m_program_headers[i];
if (pheader.p_type != PT_NULL && pheader.p_type != PT_LOAD)
@@ -242,7 +242,7 @@ namespace LibELF
file_offset = vaddr - program_header.p_vaddr;
size_t bytes = BAN::Math::min<size_t>(PAGE_SIZE - vaddr_offset, program_header.p_filesz - file_offset);
TRY(m_inode->read(program_header.p_offset + file_offset, (void*)(vaddr + vaddr_offset), bytes));
TRY(m_inode->read(program_header.p_offset + file_offset, { (uint8_t*)vaddr + vaddr_offset, bytes }));
}
return {};