binutils-gdb/bfd/vms.h
Nick Clifton 7adc0a8174 Fix address violation parsing a corrupt Alpha VMS binary file.
PR binutils/21639
	* vms-misc.c (_bfd_vms_save_sized_string): Use unsigned int as
	type of the size parameter.
	(_bfd_vms_save_counted_string): Add second parameter - the maximum
	length of the counted string.
	* vms.h (_bfd_vms_save_sized_string): Update prototype.
	(_bfd_vms_save_counted_string): Likewise.
	* vms-alpha.c (_bfd_vms_slurp_eisd): Update calls to
	_bfd_vms_save_counted_string.
	(_bfd_vms_slurp_ehdr): Likewise.
	(_bfd_vms_slurp_egsd): Likewise.
	(Parse_module): Likewise.
2017-06-21 15:21:11 +01:00

143 lines
4.2 KiB
C

/* vms.h -- Header file for VMS (Alpha and Vax) support.
Copyright (C) 1996-2017 Free Software Foundation, Inc.
Main header file.
Written by Klaus K"ampf (kkaempf@rmi.de)
This file is part of BFD, the Binary File Descriptor library.
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 3 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., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#undef vms
#ifndef VMS_H
#define VMS_H
#include <time.h>
/* Size of a VMS block on disk. */
#define VMS_BLOCK_SIZE 512
/* Miscellaneous definitions. */
#define MAX_OUTREC_SIZE 4096
#define MIN_OUTREC_LUFT 64
/* File format. */
enum file_format_enum
{
/* Not yet known. */
FF_UNKNOWN,
/* Unix format. Each record is preceeded by the record length,
on 2 bytes. */
FF_FOREIGN,
/* Native (=VMS) format. The file only contains the content of the
records. This may also appear on Unix, depending on which tool
was used to transfer files. */
FF_NATIVE
};
/* VMS records input buffer. */
struct vms_rec_rd
{
/* Buffer and its size. */
unsigned char *buf;
unsigned int buf_size;
/* Current record and its size. */
unsigned char *rec;
unsigned int rec_size;
/* Input file format. */
enum file_format_enum file_format;
};
/* VMS records output buffer. */
struct vms_rec_wr
{
/* Output buffer. */
unsigned char *buf;
/* Current length of the record. */
unsigned short int size;
/* Sub-record start offset. */
unsigned short int subrec_offset;
/* Some records must have a size that is a multiple of the alignment.
Mustn't be 0. */
unsigned short int align;
};
struct evax_private_udata_struct
{
asymbol *bsym;
asymbol *enbsym;
char *origname;
int lkindex;
};
/* vms-misc.c. */
#define VMS_DEBUG 1
#if VMS_DEBUG
extern void _bfd_vms_debug (int, char *, ...) ATTRIBUTE_PRINTF_2;
extern void _bfd_hexdump (int, unsigned char *, int, int);
#define vms_debug _bfd_vms_debug
#define vms_debug2(X) _bfd_vms_debug X
#else
#define vms_debug2(X)
#endif
extern char * vms_get_module_name (const char *, bfd_boolean);
extern unsigned char *get_vms_time_string (void);
extern time_t vms_time_to_time_t (unsigned int hi, unsigned int lo);
extern time_t vms_rawtime_to_time_t (unsigned char *);
extern void vms_time_t_to_vms_time (time_t ut, unsigned int *hi, unsigned int *lo);
extern void vms_get_time (unsigned int *hi, unsigned int *lo);
extern void vms_raw_get_time (unsigned char *buf);
extern char * _bfd_vms_save_sized_string (unsigned char *, unsigned);
extern char * _bfd_vms_save_counted_string (unsigned char *, unsigned);
extern void _bfd_vms_output_begin (struct vms_rec_wr *, int);
extern void _bfd_vms_output_alignment (struct vms_rec_wr *, int);
extern void _bfd_vms_output_begin_subrec (struct vms_rec_wr *, int);
extern void _bfd_vms_output_end_subrec (struct vms_rec_wr *);
extern void _bfd_vms_output_end (bfd *, struct vms_rec_wr *);
extern int _bfd_vms_output_check (struct vms_rec_wr *, int);
extern void _bfd_vms_output_byte (struct vms_rec_wr *, unsigned);
extern void _bfd_vms_output_short (struct vms_rec_wr *, unsigned);
extern void _bfd_vms_output_long (struct vms_rec_wr *, unsigned long);
extern void _bfd_vms_output_quad (struct vms_rec_wr *, bfd_vma);
extern void _bfd_vms_output_counted (struct vms_rec_wr *, const char *);
extern void _bfd_vms_output_dump (struct vms_rec_wr *, const unsigned char *, int);
extern void _bfd_vms_output_fill (struct vms_rec_wr *, int, int);
extern int _bfd_vms_convert_to_var_unix_filename (const char *);
/* vms-alpha.c */
extern void bfd_vms_set_section_flags (bfd *, asection *, flagword, flagword);
#endif /* VMS_H */