89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* fetch_header.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2017/03/23 15:56:37 by jhalford #+# #+# */
|
|
/* Updated: 2017/03/26 19:05:53 by jhalford ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include "ft_nm_otool.h"
|
|
|
|
static void symtab_parse(t_machodata *data, struct symtab_command *symtab)
|
|
{
|
|
int i;
|
|
t_symbol symbol;
|
|
char *stringtable;
|
|
struct nlist_64 *array;
|
|
|
|
data->symtab = symtab;
|
|
stringtable = data->file + symtab->stroff;
|
|
array = (struct nlist_64*)(data->file + symtab->symoff);
|
|
i = -1;
|
|
while (++i < (int)symtab->nsyms)
|
|
{
|
|
symbol_init(&symbol, stringtable, array, i);
|
|
symbol_set(&symbol, data);
|
|
ft_lsteadd(&data->symbols, ft_lstnew(&symbol, sizeof(symbol)));
|
|
}
|
|
}
|
|
|
|
static void seg_64_parse(t_machodata *data, struct segment_command_64 *seg)
|
|
{
|
|
uint32_t nsects;
|
|
uint32_t i;
|
|
struct section_64 *sect;
|
|
|
|
nsects = seg->nsects;
|
|
sect = (void*)(seg + 1);
|
|
for (i = 0; i < nsects; i++)
|
|
{
|
|
ft_lsteadd(&data->sects, ft_lstnew(§, sizeof(sect)));
|
|
sect = sect + 1;
|
|
}
|
|
}
|
|
|
|
void mach_64_parse(t_machodata *data)
|
|
{
|
|
uint32_t ncmds;
|
|
uint32_t i;
|
|
struct load_command *lc;
|
|
struct mach_header_64 *header;
|
|
|
|
header = data->file;
|
|
ncmds = header->ncmds;
|
|
lc = (void*)(header + 1);
|
|
for (i = 0; i < ncmds; i++)
|
|
{
|
|
if (lc->cmd == LC_SYMTAB)
|
|
symtab_parse(data, (struct symtab_command*)lc);
|
|
else if (lc->cmd == LC_DYSYMTAB)
|
|
data->dysymtab = (struct dysymtab_command*)lc;
|
|
else if (lc->cmd == LC_SEGMENT_64)
|
|
seg_64_parse(data, (struct segment_command_64*)lc);
|
|
lc = (void*)lc + lc->cmdsize;
|
|
}
|
|
}
|
|
|
|
/* static void fetch_fatheader(t_machodata *data) */
|
|
/* { */
|
|
/* int i; */
|
|
/* int nfat_arch; */
|
|
/* struct fat_arch *arch; */
|
|
/* struct fat_header *header; */
|
|
|
|
/* header = data->file; */
|
|
/* nfat_arch = header->nfat_arch; */
|
|
/* arch = (void*)(header + 1); */
|
|
/* ft_printf("{yel}{inv}FAT header w/ [%i] architures{eoc}\n", nfat_arch); */
|
|
/* for (i = 0; i < nfat_arch; i++) */
|
|
/* { */
|
|
/* ft_printf("CPU type=[%i]", arch->cputype); */
|
|
/* fetch_machheader64(data->file + arch->offset, data); */
|
|
/* arch += 1; */
|
|
/* } */
|
|
/* } */
|
|
|