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more work on linker , closer to load to memory

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This commit is contained in:
georgemoralis 2023-05-23 19:39:24 +03:00
parent b27942c46b
commit 5d0a5af495
4 changed files with 48 additions and 28 deletions
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24
src/Core/Memory.cpp
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@ -4,30 +4,6 @@
namespace Memory
{
static u64 get_aligned_size(const elf_program_header* phdr)
{
return (phdr->p_align != 0 ? (phdr->p_memsz + (phdr->p_align - 1)) & ~(phdr->p_align - 1) : phdr->p_memsz);
}
static u64 calculate_base_size(const elf_header* ehdr, const elf_program_header* phdr)
{
u64 base_size = 0;
for (u16 i = 0; i < ehdr->e_phnum; i++)
{
if (phdr[i].p_memsz != 0 && (phdr[i].p_type == PT_LOAD || phdr[i].p_type == PT_SCE_RELRO))
{
auto phdrh = phdr + i;
u64 last_addr = phdr[i].p_vaddr + get_aligned_size(phdrh);
if (last_addr > base_size)
{
base_size = last_addr;
}
}
}
return base_size;
}
namespace VirtualMemory {
u64 memory_alloc(u64 address, u64 size)