gbrochar
/
ft_nm
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

feat(nm): 64 bits passes /usr/lib/

This commit is contained in:
gbrochar 2024-04-04 13:30:59 +02:00
parent f0936e0d52
commit 3ee3777174
1 changed files with 21 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
src/nm.c
View File

@ -6,9 +6,9 @@ void print_symbol(Elf64_Sym sym);
char *get_sym_char(Elf64_Sym sym, Elf64_Shdr sec) { char *get_sym_char(Elf64_Sym sym, Elf64_Shdr sec) {
// ppp(sym, sec); // ppp(sym, sec);
if ((sec.sh_flags & SHF_COMPRESSED) == SHF_COMPRESSED) { // if ((sec.sh_flags & SHF_COMPRESSED) == SHF_COMPRESSED) {
return ("N"); // return ("N");
} // }
if (sym.st_shndx == SHN_ABS) { if (sym.st_shndx == SHN_ABS) {
if (ELF64_ST_BIND(sym.st_info) == STB_LOCAL) { if (ELF64_ST_BIND(sym.st_info) == STB_LOCAL) {
return ("a"); return ("a");
@ -17,6 +17,9 @@ char *get_sym_char(Elf64_Sym sym, Elf64_Shdr sec) {
return ("A"); return ("A");
} }
} }
if (ELF64_ST_BIND(sym.st_info) == STB_GNU_UNIQUE) {
return ("u");
}
if (ELF64_ST_TYPE(sym.st_info) == STT_GNU_IFUNC) { if (ELF64_ST_TYPE(sym.st_info) == STT_GNU_IFUNC) {
return ("i"); return ("i");
} }
@ -101,6 +104,7 @@ char *get_sym_char(Elf64_Sym sym, Elf64_Shdr sec) {
} }
} }
if (sym.st_shndx == SHN_UNDEF) { if (sym.st_shndx == SHN_UNDEF) {
//return ("U");
if (ELF64_ST_BIND(sym.st_info) == STB_LOCAL) { if (ELF64_ST_BIND(sym.st_info) == STB_LOCAL) {
return ("u"); return ("u");
} }
@ -130,8 +134,6 @@ char *get_sym_char(Elf64_Sym sym, Elf64_Shdr sec) {
return ("w"); return ("w");
} }
else { else {
print_symbol(sym);
print_section(sec);
return ("W"); return ("W");
} }
} }
@ -198,29 +200,29 @@ int nm64(t_mapped_file mapped_file) {
ft_memcpy(&sec, mapped_file.ptr + header.e_shoff + header.e_shentsize * sym.st_shndx, header.e_shentsize); ft_memcpy(&sec, mapped_file.ptr + header.e_shoff + header.e_shentsize * sym.st_shndx, header.e_shentsize);
} }
char *str; char *str;
char *sec_str;
Elf64_Shdr shdr;
if (sym.st_shndx != SHN_ABS) {
ft_memcpy(&shdr, mapped_file.ptr + header.e_shoff + header.e_shentsize * sym.st_shndx, header.e_shentsize);
sec_str = ft_strdup(mapped_file.ptr + shstrtb.sh_offset + shdr.sh_name);
} else {
sec_str = ft_strdup("");
}
if (sym.st_name) { if (sym.st_name) {
str = ft_strdup(mapped_file.ptr + strtab.sh_offset + sym.st_name); str = ft_strdup(mapped_file.ptr + strtab.sh_offset + sym.st_name);
} }
else { else {
//printf("good\n"); str = sec_str;
Elf64_Shdr shdr;
//print_symbol(sym);
if (sym.st_shndx != SHN_ABS) {
ft_memcpy(&shdr, mapped_file.ptr + header.e_shoff + header.e_shentsize * sym.st_shndx, header.e_shentsize);
//print_section(shdr);
//ft_printf("sxs", "sh string table ", shstrtb.sh_offset, "\n");
str = ft_strdup(mapped_file.ptr + shstrtb.sh_offset + shdr.sh_name);
//str = ft_strdup("TOTOTOTOTO");
//str = ft_strdup(mapped_file.ptr + shdr.sh_offset + sec.sh_name);
} else {
str = ft_strdup("");
}
} }
//if (str[ft_strlen(str) - 1] == 'c') { //if (str[ft_strlen(str) - 1] == 'c') {
/* /*
*/ */
//} //}
char *sym_char = ft_strdup(get_sym_char(sym, sec)); char *sym_char = ft_strdup(get_sym_char(sym, sec));
if (ft_strnstr(sec_str, ".debug", 6) && ft_strequ(sym_char, "n")) {
free(sym_char);
sym_char = ft_strdup("N");
}
if (sym.st_value) { if (sym.st_value) {
ft_printf("X s ss", sym.st_value, sym_char, str, "\n"); ft_printf("X s ss", sym.st_value, sym_char, str, "\n");
} else { } else {