142 lines
3.7 KiB
C
142 lines
3.7 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_nm_otool.h :+: :+: :+: */
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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 14:36:10 by jhalford #+# #+# */
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/* Updated: 2017/10/08 16:37:58 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#ifndef FT_NM_OTOOL_H
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# define FT_NM_OTOOL_H
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# include "libft.h"
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# include <stdio.h>
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# include <stdlib.h>
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# include <fcntl.h>
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# include <sys/mman.h>
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# include <sys/stat.h>
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# include <mach/machine.h>
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# include <mach-o/loader.h>
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# include <mach-o/nlist.h>
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# include <mach-o/fat.h>
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# define IS_MAGIC_64(x) (x == MH_MAGIC_64 || x == MH_CIGAM_64)
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# define IS_FAT(x) (x == FAT_MAGIC || x == FAT_CIGAM)
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/*
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** sorting flags
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** -r reverse sort
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** -n numerical sort (as opposed to alphabetical)
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** -p don't sort
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*/
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# define NM_NOSORT (1 << 0)
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# define NM_NSORT (1 << 1)
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# define NM_ASORT (1 << 2)
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# define NM_RSORT (1 << 3)
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/*
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** filtering flags
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** -a show all symbols
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** -g filter-out local symbols
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** -u show only undefined symbols
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** -U filter-out undefined symbols
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*/
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# define NM_ALL (1 << 4)
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# define NM_NO_LOCAL (1 << 5)
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# define NM_NO_UNDF (1 << 6)
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# define NM_ONLY_UNDF (1 << 7)
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/*
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** formating flags
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** -o prepend file name on each line
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** -m Display the N_SECT type symbols (Mach-O symbols) as (segment_name,
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** section_name) followed by either external or non-external and then
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** the symbol name. Undefined, common, absolute and indirect symbols
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** get displayed as (undefined), (common), (absolute), and (indirect),
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** respectively.
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*/
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# define NM_FULL (1 << 8)
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# define NM_OFORMAT (1 << 9)
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# define NM_MFORMAT (1 << 10)
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typedef struct s_nmdata t_nmdata;
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typedef enum e_symtype t_symtype;
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typedef struct s_symbolmap t_symbolmap;
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typedef struct s_machodata t_machodata;
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typedef struct s_symbol t_symbol;
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struct s_nmdata
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{
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t_flag flag;
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char **av_data;
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char *filename;
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};
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enum e_symtype
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{
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SYM_UNDF,
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SYM_ABS,
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SYM_TEXT,
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SYM_DATA,
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SYM_BSS,
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SYM_COMMON,
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SYM_STAB,
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SYM_OTHER,
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SYM_INDR,
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};
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struct s_machodata
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{
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void *file;
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t_list *sects;
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t_list *symbols;
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struct symtab_command *symtab;
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struct dysymtab_command *dysymtab;
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};
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struct s_symbol
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{
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int pos;
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t_symtype type;
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char *string;
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struct nlist_64 *nlist;
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struct section_64 *section;
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};
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struct s_symbolmap
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{
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char c;
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char *s;
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};
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extern t_symbolmap g_symbolmap[];
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extern t_machodata *g_data;
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int mach_o_parse(t_machodata *data);
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int fetch_header(t_machodata *data);
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int symbol_init(t_symbol *symbol,
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char *stringtable, struct nlist_64 *array, int i);
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int symbol_set(t_symbol *symbol, t_machodata *data);
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int symbol_sort(t_list **syms, t_flag flag);
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int symbol_filter(t_list **syms, t_flag flag);
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void symbol_free(void *data, size_t size);
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int symbol_format(t_symbol *symbol, t_nmdata *data);
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void symbol_format_dfl(t_symbol *symbol);
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void symbol_format_m(t_symbol *symbol);
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void symbol_format_full(t_symbol *symbol);
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void mach_64_parse(t_machodata *data);
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void dump_dysymtab(t_machodata *data,
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struct dysymtab_command *dysymtab);
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#endif
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