view leo-obj/tool/ln.c @ 170:13a9ce1590fc

objgrep: parsing of -r and -s options implemented, no functionality yet
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Fri, 04 Jul 2014 02:56:21 +0000
parents fcf1ef773a57
children 71e25510f5af
line wrap: on
line source

/*
 * Dumping of line number records
 */

#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include "filestruct.h"
#include "intstruct.h"
#include "coffconst.h"
#include "globals.h"

extern unsigned get_u16(), get_u32();

cmd_ln()
{
	unsigned n, m;
	struct internal_scnhdr *sec;
	u_char *rec;

	get_int_section_table();
	for (n = 0; n < nsections; n++) {
		sec = sections + n;
		if (!sec->nlineent)
			continue;
		printf("%s:\n\n", sec->name);
		rec = filemap + sec->line_offset;
		for (m = 0; m < sec->nlineent; m++, rec += 6)
			printf("%08X  %04X\n", get_u32(rec), get_u16(rec + 4));
		putchar('\n');
	}
	exit(0);
}

get_lineno_addrs(sec, arr_rtn, count_rtn)
	struct internal_scnhdr *sec;
	unsigned **arr_rtn, *count_rtn;
{
	unsigned *array, cur, last;
	unsigned n, m;
	u_char *rec;

	array = malloc(sizeof(unsigned) * sec->nlineent);
	if (!array) {
		perror("malloc");
		exit(1);
	}
	m = 0;
	rec = filemap + sec->line_offset;
	for (n = 0; n < sec->nlineent; n++, rec += 6) {
		if (!get_u16(rec + 4))
			continue;
		cur = get_u32(rec);
		if (m) {
			if (cur < last) {
				fprintf(stderr,
		"error: line # addresses in section %s going backward\n",
					sec->name);
				exit(1);
			}
			if (cur == last)
				continue;
		}
		array[m++] = cur;
		last = cur;
	}
	*arr_rtn = array;
	*count_rtn = m;
}