mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-12 09:58:36 +00:00
Import NetBSD version of dbsym (below is rlog of there version), and add
$Id$ to Makefile. ---------------------------- revision 1.8 date: 1993/08/02 17:57:02; author: mycroft; state: Exp; lines: +5 -0 Add RCS identifiers, remove some completely useless RCS logs and patchkit headers, and a few other insignificant changes. ---------------------------- revision 1.7 date: 1993/07/19 16:50:10; author: mycroft; state: Exp; lines: +43 -15 Kitchen sink version of dbsym. -f force; don't complain if db_symtab is missing -g debugging; include line number and function info -x remove local symbols -T addr specify load address (necessary to determine file positions) ---------------------------- revision 1.6 date: 1993/07/18 10:34:52; author: mycroft; state: Exp; lines: +1 -1 Hmmm. I suppose text_Adr really should be an int... ---------------------------- revision 1.5 date: 1993/07/18 09:44:12; author: mycroft; state: Exp; lines: +12 -6 Add -T option to specify load address of kernel (like ld); default to KERNBASE for compatibility. ---------------------------- revision 1.4 date: 1993/07/12 18:01:51; author: brezak; state: Exp; lines: +19 -2 Changes for GCC2 generated symbols. ---------------------------- revision 1.3 date: 1993/07/11 08:43:34; author: cgd; state: Exp; lines: +2 -2 if no symbols present, don't complain, and exit with 0 exit status. that way we can use dbsym from kernel makefiles and actually pay attention to its errors... ---------------------------- revision 1.2 date: 1993/06/18 06:52:03; author: cgd; state: Exp; lines: +3 -1 convert magic numbers to network byte order, and attendent changes ---------------------------- revision 1.1 date: 1993/03/21 09:59:19; author: cgd; state: Exp; branches: 1.1.1; Initial revision ---------------------------- revision 1.1.1.1 date: 1993/03/21 09:59:20; author: cgd; state: Exp; lines: +0 -0 initial import of 386bsd-0.1 sources
This commit is contained in:
Rodney W. Grimes
parent
05c1dd5de3
commit
f69c1fd09c
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=508
@ -1,3 +1,5 @@
|
||||
# $Id$
|
||||
|
||||
PROG= dbsym
|
||||
NOMAN= noman
|
||||
|
||||
|
||||
@ -1,12 +1,21 @@
|
||||
/* Written by Pace Willisson (pace@blitz.com)
|
||||
* and placed in the public domain.
|
||||
*/
|
||||
|
||||
#ifndef lint
|
||||
static char rcsid[] = "$Id: dbsym.c,v 1.8 1993/08/02 17:57:02 mycroft Exp $";
|
||||
#endif /* not lint */
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <a.out.h>
|
||||
#include <stab.h>
|
||||
#include <machine/param.h>
|
||||
|
||||
char *malloc ();
|
||||
#define FILE_OFFSET(vadr) (((vadr) - text_adr) - N_DATADDR(hdr) + \
|
||||
N_DATOFF(hdr) + N_TXTADDR(hdr))
|
||||
|
||||
#define FILE_OFFSET(vadr) (((vadr) & ~0xff000000)-N_DATADDR(hdr)+N_DATOFF(hdr))
|
||||
u_int text_adr = KERNBASE;
|
||||
|
||||
struct nlist *old_syms;
|
||||
int num_old_syms;
|
||||
@ -24,10 +33,13 @@ int db_symtab_adr;
|
||||
|
||||
int avail;
|
||||
|
||||
int force = 0;
|
||||
int zap_locals = 0;
|
||||
int debugging = 0;
|
||||
|
||||
usage ()
|
||||
{
|
||||
fprintf (stderr, "usage: dbsym file\n");
|
||||
fprintf (stderr, "usage: dbsym [-fgx] [-T addr] file\n");
|
||||
exit (1);
|
||||
}
|
||||
|
||||
@ -46,8 +58,22 @@ char **argv;
|
||||
int len;
|
||||
|
||||
|
||||
while ((c = getopt (argc, argv, "")) != EOF) {
|
||||
while ((c = getopt (argc, argv, "fgxT:")) != EOF) {
|
||||
switch (c) {
|
||||
case 'f':
|
||||
force = 1;
|
||||
break;
|
||||
case 'g':
|
||||
debugging = 1;
|
||||
break;
|
||||
case 'x':
|
||||
zap_locals = 1;
|
||||
break;
|
||||
case 'T':
|
||||
text_adr = strtoul(optarg, &p, 16);
|
||||
if (*p)
|
||||
err("illegal text address: %s", optarg);
|
||||
break;
|
||||
default:
|
||||
usage ();
|
||||
}
|
||||
@ -113,17 +139,44 @@ char **argv;
|
||||
|
||||
nsp = new_syms;
|
||||
for (i = 0, sp = old_syms; i < num_old_syms; i++, sp++) {
|
||||
if (sp->n_type & N_STAB)
|
||||
if (zap_locals && !(sp->n_type & N_EXT))
|
||||
continue;
|
||||
|
||||
if (sp->n_type & N_STAB)
|
||||
switch (sp->n_type & ~N_EXT) {
|
||||
case N_SLINE:
|
||||
if (debugging)
|
||||
*nsp++ = *sp;
|
||||
continue;
|
||||
case N_FUN:
|
||||
case N_PSYM:
|
||||
case N_SO:
|
||||
if (!debugging)
|
||||
continue;
|
||||
goto skip_tests;
|
||||
break;
|
||||
default:
|
||||
continue;
|
||||
}
|
||||
|
||||
if ((sp->n_type & ~N_EXT) == N_UNDF)
|
||||
continue;
|
||||
|
||||
if (!debugging && (sp->n_type & ~N_EXT) == N_FN)
|
||||
continue;
|
||||
|
||||
if (sp->n_un.n_strx == 0)
|
||||
continue;
|
||||
|
||||
if (sp->n_value < 0xfe000000)
|
||||
if (sp->n_value < text_adr)
|
||||
continue;
|
||||
|
||||
if (sp->n_value >= 0xff000000)
|
||||
if (sp->n_value > (text_adr + hdr.a_text + hdr.a_data +
|
||||
hdr.a_bss))
|
||||
continue;
|
||||
|
||||
skip_tests:
|
||||
|
||||
name = old_strtab + sp->n_un.n_strx;
|
||||
|
||||
len = strlen (name);
|
||||
@ -131,12 +184,15 @@ char **argv;
|
||||
if (len == 0)
|
||||
continue;
|
||||
|
||||
if (len >= 2 && name[len - 2] == '.' && name[len - 1] == 'o')
|
||||
continue;
|
||||
|
||||
if (strcmp (name, "gcc_compiled.") == 0)
|
||||
continue;
|
||||
|
||||
if (strcmp (name, "gcc2_compiled.") == 0)
|
||||
continue;
|
||||
|
||||
if (strcmp (name, "___gnu_compiled_c") == 0)
|
||||
continue;
|
||||
|
||||
*nsp = *sp;
|
||||
|
||||
nsp->n_un.n_strx = new_strtab_size;
|
||||
@ -150,10 +206,12 @@ char **argv;
|
||||
db_symtabsize_adr = sp->n_value;
|
||||
}
|
||||
|
||||
if (db_symtab_adr == 0 || db_symtabsize_adr == 0) {
|
||||
fprintf (stderr, "couldn't find db_symtab symbols\n");
|
||||
exit (1);
|
||||
}
|
||||
if (db_symtab_adr == 0 || db_symtabsize_adr == 0)
|
||||
if (!force) {
|
||||
fprintf (stderr, "couldn't find db_symtab symbols\n");
|
||||
exit (1);
|
||||
} else
|
||||
exit (0);
|
||||
|
||||
*(int *)new_strtab = new_strtab_size;
|
||||
num_new_syms = nsp - new_syms;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user