110 lines
3 KiB
C
110 lines
3 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* ft_otool.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2017/02/20 14:08:14 by jhalford #+# #+# */
|
|
/* Updated: 2017/10/31 19:45:03 by jhalford ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include "ft_nm_otool.h"
|
|
#define OTOOL_USAGE "usage: otool [-dt] filename ..."
|
|
|
|
t_cliopts g_otool_opts[] =
|
|
{
|
|
{'t', NULL, OTOOL_TEXT, 0, NULL, 0},
|
|
{'d', NULL, OTOOL_DATA, 0, NULL, 0},
|
|
};
|
|
int g_rev = 0;
|
|
|
|
void otool_single_file(void *file, t_otooldata *data);
|
|
|
|
void otool_fat_file(struct fat_header *fat, t_otooldata *data)
|
|
{
|
|
uint32_t narch;
|
|
struct fat_arch *obj;
|
|
|
|
g_rev = IS_REV(fat);
|
|
obj = fat_extract(fat, CPU_TYPE_X86_64, CPU_SUBTYPE_X86_64_ALL);
|
|
if (obj)
|
|
otool_single_file(obj, data);
|
|
else
|
|
{
|
|
narch = endian(fat->nfat_arch, 32);
|
|
obj = (struct fat_arch*)(fat + 1);
|
|
while (narch--)
|
|
{
|
|
const NXArchInfo *arch = NXGetArchInfoFromCpuType(
|
|
endian(obj->cputype, 32),
|
|
endian(obj->cpusubtype, 32));
|
|
ft_printf("\n%s (for architecture %s):\n", data->filename, arch->name);
|
|
otool_single_file((void*)fat + endian(obj->offset, 32), data);
|
|
g_rev = IS_REV(fat);
|
|
++obj;
|
|
}
|
|
}
|
|
}
|
|
|
|
void otool_single_file(void *file, t_otooldata *data)
|
|
{
|
|
g_rev = IS_REV(file);
|
|
if (IS_MACH_32(file))
|
|
otool_mach(file, data);
|
|
else if (IS_MACH_64(file))
|
|
otool_mach_64(file, data);
|
|
else
|
|
{
|
|
const NXArchInfo *arch = NXGetArchInfoFromCpuType(
|
|
endian(*((int32_t*)file + 1), 32),
|
|
endian(*((int32_t*)file + 2), 32));
|
|
if (arch)
|
|
ft_printf("{red}%s unsupported architecture{eoc}\n", arch->name);
|
|
else
|
|
ft_dprintf(2, "unknown architecture, magic=%#x\n", *((int32_t*)file));
|
|
}
|
|
}
|
|
|
|
int otool(int ac, char **av, t_otooldata data)
|
|
{
|
|
int i;
|
|
struct stat buf;
|
|
int fd;
|
|
void *file;
|
|
|
|
i = data.av_data - av;
|
|
while (i < ac && av[i])
|
|
{
|
|
ft_printf("%s:\n", av[i]);
|
|
if ((fd = open((av[i]), O_RDONLY)) < 0)
|
|
return (1);
|
|
if ((fstat(fd, &buf)) < 0)
|
|
return (1);
|
|
if ((file = mmap(NULL, buf.st_size, PROT_READ, MAP_PRIVATE, fd, 0))
|
|
== MAP_FAILED)
|
|
return (1);
|
|
if (IS_FAT(file))
|
|
otool_fat_file(file, &data);
|
|
else
|
|
otool_single_file(file, &data);
|
|
if (munmap(file, buf.st_size))
|
|
return (1);
|
|
i++;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int main(int ac, char **av)
|
|
{
|
|
t_otooldata data;
|
|
|
|
if (cliopts_get(av, g_otool_opts, &data))
|
|
{
|
|
ft_perror("ft_otool");
|
|
ft_dprintf(2, OTOOL_USAGE"\n");
|
|
return (1);
|
|
}
|
|
return (otool(ac, av, data));
|
|
}
|