54 lines
2.1 KiB
C
54 lines
2.1 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* symbol_init.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2017/03/25 21:22:06 by jhalford #+# #+# */
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/* Updated: 2017/03/27 20:36:57 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "ft_nm_otool.h"
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t_machodata *g_data;
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int symbol_init(t_symbol *symbol, char *stringtable, struct nlist_64 *array, int i)
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{
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symbol->type = 0;
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symbol->pos = i;
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symbol->nlist = array + i;
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symbol->string = stringtable + array[i].n_un.n_strx;
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return (0);
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}
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int symbol_set(t_symbol *symbol, t_machodata *data)
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{
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struct nlist_64 *nlist;
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uint8_t n_type;
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uint8_t type_mask;
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nlist = symbol->nlist;
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n_type = symbol->nlist->n_type;
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type_mask = n_type & N_TYPE;
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symbol->section = symbol->nlist->n_sect ?
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(*(struct section_64**)ft_lst_at(data->sects, symbol->nlist->n_sect - 1)->content) : NULL;
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if (n_type & N_STAB)
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symbol->type = SYM_STAB;
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else if (type_mask == N_UNDF && n_type & N_EXT && nlist->n_value != 0)
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symbol->type = SYM_COMMON;
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else if (type_mask == N_UNDF)
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symbol->type = SYM_UNDF;
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else if (type_mask == N_ABS)
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symbol->type = SYM_ABS;
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else if (type_mask == N_SECT && ft_strcmp("__text", symbol->section->sectname) == 0)
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symbol->type = SYM_TEXT;
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else if (type_mask == N_SECT && ft_strcmp("__data", symbol->section->sectname) == 0)
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symbol->type = SYM_DATA;
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else if (type_mask == N_INDR)
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symbol->type = SYM_INDR;
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else
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symbol->type = SYM_OTHER;
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return (0);
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}
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