98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_nm.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2017/02/19 03:09:12 by jhalford #+# #+# */
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/* Updated: 2017/03/31 21:50:12 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 NM_USAGE "usage: nm [-a]"
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t_machodata *g_data = NULL;
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t_cliopts g_nm_opts[] =
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{
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{'n', NULL, NM_NSORT, NM_ASORT, NULL, 0},
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{'p', NULL, NM_NOSORT, 0, NULL, 0},
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{'r', NULL, NM_RSORT, 0, NULL, 0},
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{0xff, "full", NM_FULL, 0, NULL, 0},
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{'a', NULL, NM_ALL, 0, NULL, 0},
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{'g', NULL, NM_NO_LOCAL, 0, NULL, 0},
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{'u', NULL, NM_ONLY_UNDF, 0, NULL, 0},
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{'U', NULL, NM_NO_UNDF, 0, NULL, 0},
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{'o', NULL, NM_OFORMAT, 0, NULL, 0},
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{'A', NULL, 0, 0, NULL, 0},
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{'m', NULL, NM_MFORMAT, 0, NULL, 0},
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{'x', NULL, 0, 0, NULL, 0},
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{'j', NULL, 0, 0, NULL, 0},
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};
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void mach_64_dump(struct mach_header_64 *file, t_nmdata *data)
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{
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t_machodata mach;
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mach.sects = NULL;
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mach.symbols = NULL;
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mach.file = file;
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mach_64_parse(&mach);
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symbol_sort(&mach.symbols, data->flag);
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symbol_filter(&mach.symbols, data->flag);
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ft_lstiter(mach.symbols, symbol_format, data);
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}
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int nm(void *file, t_nmdata *data)
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{
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uint32_t magic = *(int *)file;
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int is_fat = IS_FAT(magic);
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int is_64 = IS_MAGIC_64(magic);
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if (is_64)
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mach_64_dump(file, data);
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else if (is_fat)
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ft_printf("{red}unsupported architecture:{eoc} magic = %#x (FAT)\n", magic);
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else
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ft_printf("{red}unsupported architecture:{eoc} magic = %#x\n", magic);
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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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char *file;
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t_nmdata data;
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int fd;
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int i;
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struct stat buf;
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data.flag = NM_ASORT;
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if (cliopts_get(av, g_nm_opts, &data))
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{
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ft_perror("ft_nm");
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ft_dprintf(2, NM_USAGE"\n");
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return (1);
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}
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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("%c%s:\n", i - (data.av_data - av) ? '\n' : 0, av[i]);
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if ((fd = open((data.filename = 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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nm(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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