115 lines
3.1 KiB
C
115 lines
3.1 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: 2017/11/01 12:33:22 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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int g_rev = 0;
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void otool_fat_file(struct fat_header *fat, t_otooldata *data)
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{
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uint32_t narch;
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struct fat_arch *obj;
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const NXArchInfo *arch;
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g_rev = IS_REV(fat);
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if ((obj = fat_extract(fat, CPU_TYPE_X86_64, CPU_SUBTYPE_X86_64_ALL)))
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{
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ft_printf("%s:\n", data->filename);
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otool_single_file(obj, data);
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}
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else
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{
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narch = endian(fat->nfat_arch, 32);
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obj = (struct fat_arch*)(fat + 1);
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while (narch--)
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{
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g_rev = IS_REV(fat);
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arch = NXGetArchInfoFromCpuType(
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endian(obj->cputype, 32),
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endian(obj->cpusubtype, 32));
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ft_printf("%s (architecture %s):\n", data->filename, arch->name);
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otool_single_file((void*)fat + endian(obj->offset, 32), data);
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++obj;
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}
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}
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}
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void otool_single_file(void *file, t_otooldata *data)
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{
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const NXArchInfo *arch;
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g_rev = IS_REV(file);
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arch = NXGetArchInfoFromCpuType(
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endian(*((int32_t*)file + 1), 32),
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endian(*((int32_t*)file + 2), 32));
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if (arch)
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{
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if (ft_strcmp(arch->name, "ppc") == 0)
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otool_ppc(file, data);
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else if (IS_MACH_32(file))
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otool_mach(file, data);
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else if (IS_MACH_64(file))
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otool_mach_64(file, data);
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else
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ft_printf("{red}%s unsupported architecture{eoc}\n", arch->name);
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}
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else
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ft_dprintf(2, "unknown architecture, magic=%#x\n", *((int32_t*)file));
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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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void *file;
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i = data.av_data - av;
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while (i < ac && (data.filename = av[i]))
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{
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if ((fd = open((av[i]), O_RDONLY)) < 0 || 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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if (IS_FAT(file))
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otool_fat_file(file, &data);
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else
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{
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ft_printf("%s:\n", data.filename);
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otool_single_file(file, &data);
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}
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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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