99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* symbol_format.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2017/03/28 20:34:32 by jhalford #+# #+# */
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/* Updated: 2017/10/08 11:34:43 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_symbolmap g_symbolmap[] =
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{
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{'U', "undefined"},
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{'A', "absolute"},
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{'T', "segname missing"},
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{'D', "segname missing"},
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{'B', "segname missing"},
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{'C', "common"},
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{'-', "?"},
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{'S', "segname missing"},
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{'I', "indirect"},
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};
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void symbol_format_desc(t_symbol *symbol)
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{
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if (symbol->nlist->n_desc & REFERENCED_DYNAMICALLY)
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ft_printf(" [referenced dynamically]");
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if (symbol->nlist->n_type & N_EXT)
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ft_printf(" external");
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else
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{
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ft_printf(" non-external");
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if (symbol->nlist->n_type & N_PEXT)
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ft_printf(" (was a private external)");
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}
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}
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void symbol_format_m(t_symbol *symbol)
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{
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t_symbolmap map;
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map = g_symbolmap[symbol->type];
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ft_printf(" (%s%c%s)",
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symbol->section ? symbol->section->segname : map.s,
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symbol->section ? ',' : 0,
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symbol->section ? symbol->section->sectname : "");
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symbol_format_desc(symbol);
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}
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void symbol_format_full(t_symbol *symbol)
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{
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ft_printf("\t%i %03b|%b|%x|%b \t%i(%s) \t%04x",
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symbol->pos,
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(symbol->nlist->n_type & N_STAB) >> 5,
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(symbol->nlist->n_type & N_PEXT) >> 4,
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symbol->nlist->n_type & N_TYPE,
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symbol->nlist->n_type & N_EXT,
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symbol->nlist->n_sect, symbol->section->sectname,
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symbol->nlist->n_desc);
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}
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void symbol_format_dfl(t_symbol *symbol)
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{
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t_symbolmap map;
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char c;
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map = g_symbolmap[symbol->type];
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c = symbol->nlist->n_type & N_EXT ? map.c : map.c + 32;
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ft_printf(" %c", c);
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if (symbol->type == SYM_STAB)
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ft_printf(" %02x %04b %#x",
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symbol->nlist->n_sect, symbol->nlist->n_desc,
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symbol->nlist->n_type);
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}
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int symbol_format(t_symbol *symbol, t_nmdata *data)
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{
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if (data->flag & NM_OFORMAT)
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ft_printf("%s: ", data->filename);
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if (!(data->flag & NM_ONLY_UNDF))
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{
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if (symbol->type == SYM_UNDF)
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ft_printf("%16s", " ");
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else
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ft_printf("%016llx", symbol->nlist->n_value);
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if (data->flag & NM_MFORMAT)
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symbol_format_m(symbol);
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else if (data->flag & NM_FULL)
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symbol_format_full(symbol);
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else
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symbol_format_dfl(symbol);
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}
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ft_printf(" %s\n", symbol->string);
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return (0);
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}
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