75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_otool.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2017/02/20 14:08:14 by jhalford #+# #+# */
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/* Updated: 2017/10/30 12:26:10 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "ft_nm_otool.h"
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#define OTOOL_USAGE "usage: otool [-dt] filename ..."
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t_cliopts g_otool_opts[] =
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{
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{'t', NULL, OTOOL_TEXT, 0, NULL, 0},
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{'d', NULL, OTOOL_DATA, 0, NULL, 0},
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};
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void otool_file(void *file, t_otooldata *data)
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{
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uint32_t magic;
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magic = *(int *)file;
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if (IS_MACH_32(magic))
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otool_mach(file, data);
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else if (IS_MACH_64(magic))
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otool_mach_64(file, data);
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else if (IS_FAT(magic))
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ft_printf("fat binary not supported yet\n");
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else
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ft_printf("{red}unsupported architecture:{eoc} magic = %#x\n", magic);
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}
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int otool(int ac, char **av, t_otooldata data)
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{
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int i;
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struct stat buf;
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int fd;
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char *file;
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i = data.av_data - av;
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while (i < ac && av[i])
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{
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if (!(data.flag & NM_OFORMAT) && ac - (data.av_data - av) > 1)
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ft_printf("%s:\n", av[i]);
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if ((fd = open((av[i]), O_RDONLY)) < 0)
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return (1);
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if ((fstat(fd, &buf)) < 0)
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return (1);
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if ((file = mmap(NULL, buf.st_size, PROT_READ, MAP_PRIVATE, fd, 0))
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== MAP_FAILED)
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return (1);
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otool_file(file, &data);
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if (munmap(file, buf.st_size))
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return (1);
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i++;
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}
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return (0);
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}
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int main(int ac, char **av)
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{
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t_otooldata data;
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if (cliopts_get(av, g_otool_opts, &data))
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{
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ft_perror("ft_otool");
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ft_dprintf(2, OTOOL_USAGE"\n");
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return (1);
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}
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return (otool(ac, av, data));
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}
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