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author | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:34:07 +0000 |
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committer | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:34:07 +0000 |
commit | 071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch) | |
tree | 5deda65b8d7b04d1f4cbc534c3206d328e1267ec /gdb/stuff.c | |
parent | 1730ec6b1848f0f32154277f788fb29f88d8475b (diff) | |
download | fsf-binutils-gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.zip fsf-binutils-gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.tar.gz fsf-binutils-gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.tar.bz2 |
Initial creation of sourceware repository
Diffstat (limited to 'gdb/stuff.c')
-rw-r--r-- | gdb/stuff.c | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/gdb/stuff.c b/gdb/stuff.c deleted file mode 100644 index eedbeab..0000000 --- a/gdb/stuff.c +++ /dev/null @@ -1,174 +0,0 @@ -/* 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); -} |