From ace65b453151845bc361f21f3e5b651c35f9f126 Mon Sep 17 00:00:00 2001 From: Jon Santmyer Date: Wed, 22 May 2024 13:00:41 -0400 Subject: massive refactor for mp and organization --- arch/x86_64/elf.c | 55 ------------------------------------------------------- 1 file changed, 55 deletions(-) delete mode 100644 arch/x86_64/elf.c (limited to 'arch/x86_64/elf.c') diff --git a/arch/x86_64/elf.c b/arch/x86_64/elf.c deleted file mode 100644 index 969cbf0..0000000 --- a/arch/x86_64/elf.c +++ /dev/null @@ -1,55 +0,0 @@ -#include "elf.h" -#include "lib/string.h" -#include "usr/elf.h" -#include "io/log.h" -#include "mem/memory.h" - -void* -elf_load(const void *data, size_t len) -{ - if(data == NULL) return NULL; - if(len < 4) return NULL; - - struct ELF_header *ehdr = (struct ELF_header*)data; - if(ehdr->e_ident[EI_MAG0] != E_IDENT_MAG0 && - ehdr->e_ident[EI_MAG1] != E_IDENT_MAG1 && - ehdr->e_ident[EI_MAG2] != E_IDENT_MAG2 && - ehdr->e_ident[EI_MAG3] != E_IDENT_MAG3) - return NULL; - - if(ehdr->e_ident[EI_CLASS] != E_IDENT_CLASS64) { - klogf("Jove does not support ELF files of class CLASS32\n"); - return NULL; - } - - if(ehdr->e_type != ET_EXEC) { - klogf("Jove does not support ELF files other than ET_EXEC\n"); - return NULL; - } - - uint64_t entry = ehdr->e_entry; - - size_t phdrc = ehdr->e_phnum; - struct ELF_phdr *phdrs = (struct ELF_phdr*)((uintptr_t)data + ehdr->e_phoff); - - for(size_t phdri = 0; phdri < phdrc; phdri++) - { - struct ELF_phdr *phdr = &phdrs[phdri]; - void *pdata = (void*)phdr->p_vaddr; - - mem_ensure_range( - phdr->p_vaddr, - phdr->p_vaddr + phdr->p_memsz, - (page_flags_t) { - .present = true, - .writeable = true, - .useraccess = true, - .executable = true - }); - if(phdr->p_type == PT_LOAD) - { - memcpy(pdata, (void*)((uintptr_t)data + phdr->p_offset), phdr->p_filesz); - } - } - return (void*)entry; -} -- cgit v1.2.1