68 lines
2 KiB
C
68 lines
2 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* get_section.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2017/10/30 11:00:40 by jhalford #+# #+# */
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/* Updated: 2017/11/01 12:11:10 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "ft_nm_otool.h"
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void *get_segment(struct mach_header *file, char *lookup)
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{
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uint32_t i;
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struct load_command *lc;
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struct segment_command *seg;
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uint32_t ncmds;
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lc = (void*)(file + 1);
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i = -1;
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ncmds = endian(file->ncmds, 32);
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DG("ncmds=%i", ncmds);
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while (++i < ncmds)
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{
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DG("i=%i", i);
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if (endian(lc->cmd, 32) & LC_SEGMENT)
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{
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seg = (struct segment_command*)lc;
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DG("segment: %s", seg->segname);
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if (ft_strcmp(seg->segname, lookup) == 0)
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return (seg);
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}
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lc = (void*)lc + endian(lc->cmdsize, 32);
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}
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return (NULL);
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}
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void *get_section(struct mach_header *file, char *lookup)
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{
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uint32_t i;
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uint32_t j;
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struct load_command *lc;
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struct segment_command *seg;
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struct section *sect;
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lc = (void*)(file + 1);
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i = -1;
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while (++i < endian(file->ncmds, 32))
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{
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if (endian(lc->cmd, 32) & LC_SEGMENT)
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{
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seg = (struct segment_command*)lc;
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sect = (void*)(seg + 1);
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j = -1;
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while (++j < endian(seg->nsects, 32))
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{
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if (ft_strcmp(sect->sectname, lookup) == 0)
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return (sect);
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sect = sect + 1;
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}
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}
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lc = (void*)lc + endian(lc->cmdsize, 32);
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}
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return (NULL);
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}
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