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https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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146 lines
2.9 KiB
C
146 lines
2.9 KiB
C
/*
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* <phk@FreeBSD.org> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
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* ----------------------------------------------------------------------------
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <err.h>
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#include <fcntl.h>
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#include <kvm.h>
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#include <nlist.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/endian.h>
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typedef long long gcov_type;
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#define PARAMS(foo) foo
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#define ATTRIBUTE_UNUSED __unused
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#include "gcov-io.h"
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struct bbf {
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long checksum;
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int arc_count;
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u_long name;
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};
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struct bb {
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u_long zero_one;
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u_long filename;
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u_long counts;
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u_long ncounts;
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u_long next;
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u_long sizeof_bb;
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u_long funcs;
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};
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struct nlist namelist[] = {
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{ "bbhead", 0, 0, 0, 0 },
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{ NULL, 0, 0, 0, 0 }
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};
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kvm_t *kv;
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int
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main(int argc __unused, char **argv __unused)
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{
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int i, funcs;
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u_long l1,l2,l4;
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struct bb bb;
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struct bbf bbf;
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char buf[BUFSIZ], *p;
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gcov_type *q, *qr;
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FILE *f;
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kv = kvm_open(NULL,NULL,NULL,O_RDWR,"dnc");
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if (!kv)
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err(1,"kvm_open");
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i = kvm_nlist(kv,namelist);
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if (i)
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err(1,"kvm_nlist");
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l1 = namelist[0].n_value;
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kvm_read(kv,l1,&l2,sizeof l2);
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while(l2) {
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l1 += sizeof l1;
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kvm_read(kv,l2,&bb,sizeof bb);
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#if 0
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printf("%lx\n%lx\n%lx\n%lx\n%lx\n%lx\n%lx\n",
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bb.zero_one, bb.filename, bb.counts, bb.ncounts, bb.next,
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bb.sizeof_bb, bb.funcs);
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#endif
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funcs = 0;
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for (l4 = bb.funcs; ; l4 += sizeof (bbf)) {
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kvm_read(kv, l4, &bbf, sizeof(bbf));
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if (bbf.arc_count == -1)
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break;
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funcs++;
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}
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l2 = bb.next;
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kvm_read(kv, bb.filename, buf, sizeof(buf));
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p = buf;
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f = fopen(p, "w");
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if (f != NULL) {
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printf("Writing \"%s\"\n", p);
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} else {
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p = strrchr(buf, '/');
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if (p == NULL)
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p = buf;
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else
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p++;
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printf("Writing \"%s\" (spec \"%s\")\n", p, buf);
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f = fopen(p, "w");
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}
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if (f == NULL)
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err(1,"%s", p);
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__write_long(-123, f, 4);
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__write_long(funcs, f, 4);
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__write_long(4 + 8 + 8 + 4 + 8 + 8, f, 4);
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__write_long(bb.ncounts, f, 4);
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__write_long(0, f, 8);
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__write_long(0, f, 8);
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__write_long(bb.ncounts, f, 4);
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__write_long(0, f, 8);
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__write_long(0, f, 8);
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qr = malloc(bb.ncounts * 8);
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kvm_read(kv, bb.counts, qr, bb.ncounts * 8);
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q = qr;
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for (l4 = bb.funcs; ; l4 += sizeof (bbf)) {
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kvm_read(kv, l4, &bbf, sizeof(bbf));
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if (bbf.arc_count == -1)
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break;
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kvm_read(kv, bbf.name, buf, sizeof(buf));
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__write_gcov_string(buf, strlen(buf), f, -1);
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__write_long(bbf.checksum, f, 4);
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__write_long(bbf.arc_count, f, 4);
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for (i = 0; i < bbf.arc_count; i++) {
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__write_gcov_type(*q, f, 8);
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q++;
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}
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}
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fclose(f);
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free(qr);
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}
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return 0;
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}
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