115 lines
3 KiB
C
115 lines
3 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: 2017/10/30 18:36:32 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "ft_nm_otool.h"
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#include <sys/utsname.h>
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#define NM_USAGE "usage: nm [-agmnpruU] filename ..."
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t_machodata *g_data = NULL;
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int g_rev = 0;
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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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{'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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{0xff, "full", NM_FULL, 0, NULL, 0},
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{'o', NULL, NM_OFORMAT, 0, NULL, 0},
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{'m', NULL, NM_MFORMAT, 0, NULL, 0},
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};
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int nm_file(void *file, t_nmdata *data);
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int nm_fat(struct fat_header *fat, t_nmdata *data)
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{
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void *arch;
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struct utsname host;
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uname(&host);
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NXGetLocalArchInfo();
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arch = fat_extract(fat, CPU_TYPE_X86_64, CPU_SUBTYPE_X86_64_ALL);
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if (!arch)
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ft_printf("{red}fat doesn't have x86_64 !{eoc}");
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else
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{
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uint32_t magic;
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magic = *(int*)arch;
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nm_file(arch, data);
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}
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return (0);
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}
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int nm_file(void *file, t_nmdata *data)
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{
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uint32_t magic;
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magic = *(int*)file;
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g_rev = IS_REV(magic);
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if (IS_MACH_32(magic))
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nm_mach(file, data);
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else if (IS_MACH_64(magic))
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nm_mach_64(file, data);
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else if (IS_FAT(magic))
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nm_fat(file, data);
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else
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ft_printf("{red}unsupported arch:{eoc} magic=%#x\n", magic);
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return (0);
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}
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int nm(int ac, char **av, t_nmdata 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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data.filename = av[i];
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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), 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(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_nmdata data;
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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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return (nm(ac, av, data));
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}
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