ref: fe2b29d13bac3ab3c16490b859f452201c6b4c77
dir: /src/libmach/elf64/elf64getsec.c/
#include <stdio.h> #include <scc/mach.h> #include "../libmach.h" #include "elf64.h" Section * elf64getsec(Obj *obj, int *idx, Section *sec) { int stype, n = *idx; unsigned long flags, type; unsigned sflags; Elf64 *elf = obj->data; Elf_Ehdr *hdr = &elf->hdr; Elf_Shdr *shdr; if (n >= elf->nsec) return NULL; shdr = &elf->shdr[n]; flags = shdr->sh_flags; type = shdr->sh_type; if (flags & SHF_ALLOC) { if (type == SHT_NOBITS) stype = 'B'; else if (flags & SHF_WRITE) stype = 'D'; else stype = 'T'; } else { stype = 'N'; } sflags = 0; if (flags & SHF_WRITE) sflags |= SWRITE; if (flags & SHF_EXECINSTR) sflags |= SEXEC; if (flags & SHF_ALLOC) sflags |= SALLOC|SREAD; if (type != SHT_NOBITS) sflags |= SLOAD; if (stype == 'T' || stype == 'D') sflags |= SRELOC; sec->name = elf64str(obj, SEC_STRTBL, shdr->sh_name); sec->index = n; sec->size = shdr->sh_size; sec->base = shdr->sh_addr; sec->type = stype; sec->flags = sflags; sec->align = shdr->sh_addralign; return sec; }