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[src/trunk]: src/usr.sbin support coff image file.



details:   https://anonhg.NetBSD.org/src/rev/1304d2a566f8
branches:  trunk
changeset: 476291:1304d2a566f8
user:      itojun <itojun%NetBSD.org@localhost>
date:      Sun Sep 12 16:08:13 1999 +0000

description:
support coff image file.
(this is part of NetBSD/sh3 patches)

diffstat:

 usr.sbin/kvm_mkdb/Makefile       |    6 +-
 usr.sbin/kvm_mkdb/extern.h       |    8 +-
 usr.sbin/kvm_mkdb/nlist.c        |    7 +-
 usr.sbin/kvm_mkdb/nlist_coff.c   |  346 +++++++++++++++++++++++++++++++++++++++
 usr.sbin/mdsetimage/Makefile     |    5 +-
 usr.sbin/mdsetimage/exec_coff.c  |  108 ++++++++++++
 usr.sbin/mdsetimage/extern.h     |   10 +-
 usr.sbin/mdsetimage/mdsetimage.c |    7 +-
 8 files changed, 486 insertions(+), 11 deletions(-)

diffs (truncated from 610 to 300 lines):

diff -r b26969bbc554 -r 1304d2a566f8 usr.sbin/kvm_mkdb/Makefile
--- a/usr.sbin/kvm_mkdb/Makefile        Sun Sep 12 15:29:38 1999 +0000
+++ b/usr.sbin/kvm_mkdb/Makefile        Sun Sep 12 16:08:13 1999 +0000
@@ -1,9 +1,9 @@
-#      $NetBSD: Makefile,v 1.7 1996/09/30 18:26:58 thorpej Exp $
+#      $NetBSD: Makefile,v 1.8 1999/09/12 16:08:15 itojun Exp $
 #      from: @(#)Makefile      8.1 (Berkeley) 6/6/93
 
 PROG=  kvm_mkdb
-SRCS=  kvm_mkdb.c nlist.c nlist_aout.c nlist_ecoff.c nlist_elf32.c \
-       nlist_elf64.c testdb.c
+SRCS=  kvm_mkdb.c nlist.c nlist_aout.c nlist_coff.c nlist_ecoff.c \
+       nlist_elf32.c nlist_elf64.c testdb.c
 MAN=   kvm_mkdb.8
 
 .include <bsd.prog.mk>
diff -r b26969bbc554 -r 1304d2a566f8 usr.sbin/kvm_mkdb/extern.h
--- a/usr.sbin/kvm_mkdb/extern.h        Sun Sep 12 15:29:38 1999 +0000
+++ b/usr.sbin/kvm_mkdb/extern.h        Sun Sep 12 16:08:13 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: extern.h,v 1.9 1999/01/29 22:23:36 thorpej Exp $       */
+/*     $NetBSD: extern.h,v 1.10 1999/09/12 16:08:15 itojun Exp $       */
 
 /*-
  * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
@@ -50,6 +50,9 @@
 #  define      NLIST_AOUT
 #  define      NLIST_ELF32
 #  define      NLIST_ELF64
+#elif defined(__sh3__)
+#  define      NLIST_COFF
+#  define      NLIST_ELF32
 #else 
 #  define      NLIST_AOUT
 /* #define     NLIST_ECOFF */
@@ -64,6 +67,9 @@
 #ifdef NLIST_AOUT
 int    create_knlist_aout __P((const char *, DB *));
 #endif
+#ifdef NLIST_COFF
+int    create_knlist_coff __P((const char *, DB *));
+#endif
 #ifdef NLIST_ECOFF
 int    create_knlist_ecoff __P((const char *, DB *));
 #endif
diff -r b26969bbc554 -r 1304d2a566f8 usr.sbin/kvm_mkdb/nlist.c
--- a/usr.sbin/kvm_mkdb/nlist.c Sun Sep 12 15:29:38 1999 +0000
+++ b/usr.sbin/kvm_mkdb/nlist.c Sun Sep 12 16:08:13 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: nlist.c,v 1.16 1997/10/17 10:15:14 lukem Exp $ */
+/*     $NetBSD: nlist.c,v 1.17 1999/09/12 16:08:15 itojun Exp $        */
 
 /*-
  * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
@@ -39,7 +39,7 @@
 #if 0
 static char sccsid[] = "from: @(#)nlist.c      8.1 (Berkeley) 6/6/93";
 #else
-__RCSID("$NetBSD: nlist.c,v 1.16 1997/10/17 10:15:14 lukem Exp $");
+__RCSID("$NetBSD: nlist.c,v 1.17 1999/09/12 16:08:15 itojun Exp $");
 #endif
 #endif /* not lint */
 
@@ -65,6 +65,9 @@
 #ifdef NLIST_AOUT
         {       create_knlist_aout          },
 #endif
+#ifdef NLIST_COFF
+        {       create_knlist_coff         },
+#endif
 #ifdef NLIST_ECOFF
         {       create_knlist_ecoff         },
 #endif
diff -r b26969bbc554 -r 1304d2a566f8 usr.sbin/kvm_mkdb/nlist_coff.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/usr.sbin/kvm_mkdb/nlist_coff.c    Sun Sep 12 16:08:13 1999 +0000
@@ -0,0 +1,346 @@
+/*     $NetBSD: nlist_coff.c,v 1.1 1999/09/12 16:08:15 itojun Exp $    */
+
+/*
+ * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Christopher G. Demetriou
+ *     for the NetBSD Project.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#ifndef lint
+__RCSID("$NetBSD: nlist_coff.c,v 1.1 1999/09/12 16:08:15 itojun Exp $");
+#endif /* not lint */
+
+#include <sys/param.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+
+#include <a.out.h>
+#include <db.h>
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <kvm.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "extern.h"
+
+#ifdef NLIST_COFF
+#include <machine/exec_coff.h>
+
+typedef struct nlist NLIST;
+#define        _strx   n_un.n_strx
+#define        _name   n_un.n_name
+
+#define        badfmt(str)                                                     \
+       do {                                                            \
+               warnx("%s: %s: %s", kfile, str, strerror(EFTYPE));      \
+               punt();                                                 \
+       } while (0)
+
+#define        check(off, size)        ((off < 0) || (off + size > mappedsize))
+#define        BAD                     do { rv = -1; goto out; } while (0)
+#define        BADUNMAP                do { rv = -1; goto unmap; } while (0)
+
+static const char *kfile;
+
+int
+create_knlist_coff(name, db)
+       const char *name;
+       DB *db;
+{
+       struct coff_filehdr *filehdrp;
+       struct coff_aouthdr *aouthdrp;
+       struct stat st;
+       struct nlist nbuf;
+       DBT key, data;
+       char *mappedfile, *symname, *fsymname;
+       size_t mappedsize, symnamesize, fsymnamesize;
+       u_long symhdroff, extrstroff;
+       u_long symhdrsize, i, nesyms;
+       int fd, rv;
+       struct external_syment *syment;
+       u_long soff;
+       u_long val;
+       char snamebuf[16];
+
+       rv = -1;
+
+       /*
+        * Open and map the whole file.  If we can't open/stat it,
+        * something bad is going on so we punt.
+        */
+       kfile = name;
+       if ((fd = open(name, O_RDONLY, 0)) < 0) {
+               warn("%s", kfile);
+               punt();
+       }
+       if (fstat(fd, &st) < 0) {
+               warn("%s", kfile);
+               punt();
+       }
+       if (st.st_size > SIZE_T_MAX)
+               BAD;
+
+       /*
+        * Map the file in its entirety.
+        */
+       mappedsize = st.st_size;
+       mappedfile = mmap(NULL, mappedsize, PROT_READ, MAP_FILE|MAP_PRIVATE,
+                         fd, 0);
+       if (mappedfile == (char *)-1)
+               BAD;
+
+       /*
+        * Make sure we can access the executable's header
+        * directly, and make sure the recognize the executable
+        * as an COFF binary.
+        */
+       if (check(0, sizeof *filehdrp))
+               BADUNMAP;
+       filehdrp = (struct coff_filehdr *)&mappedfile[0];
+
+       if (COFF_BADMAG(filehdrp))
+               BADUNMAP;
+
+       /*
+        * We've recognized it as an COFF binary.  From here
+        * on out, all errors are fatal.
+        */
+
+       aouthdrp = (struct coff_aouthdr *)
+               &mappedfile[sizeof(struct coff_filehdr)];
+
+       /*
+        * Find the symbol list and string table.
+        */
+       symhdroff = filehdrp->f_symptr;
+       symhdrsize = filehdrp->f_nsyms;
+       extrstroff = symhdroff + symhdrsize*COFF_ES_SYMENTSZ;
+
+#ifdef DEGBU
+       printf("sizeof syment = %d\n",sizeof(struct external_syment ));
+       printf("symhdroff = 0x%lx,symhdrsize=%ld,stroff = 0x%lx",
+              symhdroff,symhdrsize, extrstroff);
+#endif
+
+       if (symhdrsize == 0)
+               badfmt("stripped");
+
+       /*
+        * Set up the data item, pointing to a nlist structure.
+        * which we fill in for each symbol.
+        */
+       data.data = (u_char *)&nbuf;
+       data.size = sizeof(nbuf);
+
+       /*
+        * Create a buffer (to be expanded later, if necessary)
+        * to hold symbol names after we've added underscores
+        * to them.
+        */
+       symnamesize = 1024;
+       if ((symname = malloc(symnamesize)) == NULL) {
+               warn("malloc");
+               punt();
+       }
+
+       nesyms = filehdrp->f_nsyms;
+
+       /*
+        * Read each symbol and enter it into the database.
+        */
+       for (i = 0; i < nesyms; i++) {
+
+               /*
+                * Find symbol name, copy it (with added underscore) to
+                * temporary buffer, and prepare the database key for
+                * insertion.
+                */
+               syment = (struct external_syment *)&mappedfile[symhdroff + 
+                                      COFF_ES_SYMENTSZ*i];
+
+               if(syment->e_sclass[0] != 2){
+                       continue;
+               }
+
+               if(syment->e.e.e_zeroes[0]){
+                       if( syment->e.e_name[COFF_ES_SYMNMLEN-1] ){
+                               memcpy( snamebuf, syment->e.e_name, 
+                                      COFF_ES_SYMNMLEN);
+                               snamebuf[COFF_ES_SYMNMLEN] = '\0';
+                               fsymname = snamebuf;
+                       }
+                       else{
+                               fsymname = syment->e.e_name ;
+                       }
+                       fsymnamesize = strlen(fsymname) + 1;
+                       
+#ifdef DEBUG
+                       printf("%s\n",fsymname ); 
+#endif
+               }
+               else{
+                       memcpy(&soff, syment->e.e.e_offset, sizeof(long));
+                       fsymname = &mappedfile[extrstroff+soff];
+                       fsymnamesize = strlen(fsymname) + 1;
+
+#ifdef DEBUG
+                       printf("*%s\n",fsymname ); 
+#endif
+               }
+               
+               while (symnamesize < fsymnamesize + 1) {
+                       symnamesize *= 2;
+                       if ((symname = realloc(symname, symnamesize)) == NULL){



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