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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
commit071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch)
tree5deda65b8d7b04d1f4cbc534c3206d328e1267ec /gdb/stuff.c
parent1730ec6b1848f0f32154277f788fb29f88d8475b (diff)
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Initial creation of sourceware repository
Diffstat (limited to 'gdb/stuff.c')
-rw-r--r--gdb/stuff.c174
1 files changed, 0 insertions, 174 deletions
diff --git a/gdb/stuff.c b/gdb/stuff.c
deleted file mode 100644
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--- a/gdb/stuff.c
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-/* Program to stuff files into a specially prepared space in kdb.
- Copyright (C) 1986, 1989, 1991 Free Software Foundation, Inc.
-
-This file is part of GDB.
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-/* Written 13-Mar-86 by David Bridgham. */
-
-#include <stdio.h>
-#include <a.out.h>
-#include <sys/types.h>
-#include "gdb_stat.h"
-#include <sys/file.h>
-#include <varargs.h>
-
-main (argc, argv)
- int argc;
- char *argv[];
-{
- register char *cp;
- char *outfile;
- register int i;
- int offset;
- int out_fd, in_fd;
- struct stat stat_buf;
- int size, pad;
- char buf[1024];
- static char zeros[4] = {0};
-
- if (argc < 4)
- err("Not enough arguments\nUsage: %s -o kdb file1 file2 ...\n",
- argv[0]);
-
- outfile = 0;
- for (i = 1; i < argc; i++)
- {
- if (STREQ (argv[i], "-o"))
- outfile = argv[++i];
- }
- if (outfile == 0)
- err("Output file not specified\n");
-
- offset = get_offset (outfile, "_heap");
-
- out_fd = open (outfile, O_WRONLY);
- if (out_fd < 0)
- err ("Error opening %s for write: %s\n", outfile, strerror (errno));
- if (lseek (out_fd, offset, 0) < 0)
- err ("Error seeking to heap in %s: %s\n", outfile, strerror (errno));
-
- /* For each file listed on the command line, write it into the
- * 'heap' of the output file. Make sure to skip the arguments
- * that name the output file. */
- for (i = 1; i < argc; i++)
- {
- if (STREQ (argv[i], "-o"))
- continue;
- if ((in_fd = open (argv[i], O_RDONLY)) < 0)
- err ("Error opening %s for read: %s\n", argv[i],
- strerror (errno));
- if (fstat (in_fd, &stat_buf) < 0)
- err ("Error stat'ing %s: %s\n", argv[i], strerror (errno));
- size = strlen (argv[i]);
- pad = 4 - (size & 3);
- size += pad + stat_buf.st_size + sizeof (int);
- write (out_fd, &size, sizeof (int));
- write (out_fd, argv[i], strlen (argv[i]));
- write (out_fd, zeros, pad);
- while ((size = read (in_fd, buf, sizeof (buf))) > 0)
- write (out_fd, buf, size);
- close (in_fd);
- }
- size = 0;
- write (out_fd, &size, sizeof (int));
- close (out_fd);
- return (0);
-}
-
-/* Read symbol table from file and returns the offset into the file
- * where symbol sym_name is located. If error, print message and
- * exit. */
-get_offset (file, sym_name)
- char *file;
- char *sym_name;
-{
- int f;
- struct exec file_hdr;
- struct nlist *symbol_table;
- int size;
- char *strings;
-
- f = open (file, O_RDONLY);
- if (f < 0)
- err ("Error opening %s: %s\n", file, strerror (errno));
- if (read (f, &file_hdr, sizeof (file_hdr)) < 0)
- err ("Error reading exec structure: %s\n", strerror (errno));
- if (N_BADMAG (file_hdr))
- err ("File %s not an a.out file\n", file);
-
- /* read in symbol table */
- if ((symbol_table = (struct nlist *)malloc (file_hdr.a_syms)) == 0)
- err ("Couldn't allocate space for symbol table\n");
- if (lseek (f, N_SYMOFF (file_hdr), 0) == -1)
- err ("lseek error: %s\n", strerror (errno));
- if (read (f, symbol_table, file_hdr.a_syms) == -1)
- err ("Error reading symbol table from %s: %s\n", file,
- strerror (errno));
-
- /* read in string table */
- if (read (f, &size, 4) == -1)
- err ("reading string table size: %s\n", strerror (errno));
- if ((strings = (char *)malloc (size)) == 0)
- err ("Couldn't allocate memory for string table\n");
- if (read (f, strings, size - 4) == -1)
- err ("reading string table: %s\n", strerror (errno));
-
- /* Find the core address at which the first byte of kdb text segment
- should be loaded into core when kdb is run. */
- origin = find_symbol ("_etext", symbol_table, file_hdr.a_syms, strings)
- - file_hdr.a_text;
- /* Find the core address at which the heap will appear. */
- coreaddr = find_symbol (sym_name, symbol_table, file_hdr.a_syms, strings);
- /* Return address in file of the heap data space. */
- return (N_TXTOFF (file_hdr) + core_addr - origin);
-}
-
-find_symbol (sym_name, symbol_table, length, strings)
- char *sym_name;
- struct nlist *symbol_table;
- int length;
- char *strings;
-{
- register struct nlist *sym;
-
- /* Find symbol in question */
- for (sym = symbol_table;
- sym != (struct nlist *)((char *)symbol_table + length);
- sym++)
- {
- if ((sym->n_type & N_TYPE) != N_DATA) continue;
- if (sym->n_un.n_strx == 0) continue;
- if (STREQ (sym_name, strings + sym->n_un.n_strx - 4))
- return sym->n_value;
- }
- err ("Data symbol %s not found in %s\n", sym_name, file);
-}
-
-/* VARARGS */
-void
-err (va_alist)
- va_dcl
-{
- va_list args;
- char *string;
-
- va_start (args);
- string = va_arg (args, char *);
- vfprintf (gdb_stderr, string, args);
- va_end (args);
- exit (-1);
-}