ft_nm/src/nm.c

#include "ft_nm.h"

int nm32(t_mapped_file mapped_file) {
	(void)mapped_file;
	return FT_NM_SUCCESS;
}

int nm64(t_mapped_file mapped_file) {
	Elf64_Ehdr header;
	if (get_header64(mapped_file, &header) == FT_NM_FAILURE) {
		return FT_NM_FAILURE;
	}
	printf("Header:\n");
	printf("Version: %d\n", header.e_version);
	printf("Entry point: %ld\n", header.e_entry);
	printf("Program header offset: ");
	fflush(stdout);
	ft_printf("X", header.e_phoff);
	ft_putchar('\n');
	printf("Section header offset: ");
	fflush(stdout);
	ft_printf("X", header.e_shoff);
	ft_putchar('\n');
	printf("Header size: %d\n", header.e_ehsize);
	printf("Program header entry size: %d\n", header.e_phentsize);
	printf("Program header num: %d\n", header.e_phnum);
	printf("Section header entry size: %d\n", header.e_shentsize);
	printf("Section header num: %d\n", header.e_shnum);
	printf("Section header string table index: %d\n", header.e_shstrndx);
	/*
	   for (int i = 0; i < header.e_phnum; i++) {
	   uint64_t addr = header.e_phoff + header.e_phentsize * i;
	   Elf64_Phdr phstr;
	   ft_memcpy(&phstr, mapped_file.ptr + addr, header.e_phentsize);
	   ft_printf("X", phstr.p_offset);
	   ft_putchar('\n');
	   char *str = ft_strdup(mapped_file.ptr + phstr.p_offset + 1);
	   ft_putstr(str);
	   ft_putchar('\n');
	   }
	   */
	uint64_t addr = header.e_shoff + header.e_shentsize * header.e_shstrndx;
	ft_printf("sX", "addr: ", addr);
	Elf64_Shdr shstrtb;
	ft_memcpy(&shstrtb, mapped_file.ptr + addr, header.e_shentsize);
	ft_printf("sX", "offset: ", shstrtb.sh_offset);
	for (int i = 0; i < header.e_shnum; i++) {
		uint64_t addr = header.e_shoff + header.e_shentsize * i;
		Elf64_Shdr sh;
		ft_memcpy(&sh, mapped_file.ptr + addr, header.e_shentsize);
		/*ft_printf("X", sh.sh_offset);
		  ft_putchar('\n');
		  ft_printf("X", sh.sh_name);
		  ft_putchar('\n');*/
		char *str = ft_strdup(mapped_file.ptr + shstrtb.sh_offset + sh.sh_name);
		//ft_putstr(str);
		ft_printf("x x ss", sh.sh_name, sh.sh_offset, str, "\n");
		free(str);
		//ft_putchar('\n');
	}
	return FT_NM_SUCCESS;
}