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/* gdb.c -as supports gdb-
Copyright (C) 1987 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
GAS 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 1, or (at your option)
any later version.
GAS 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 GAS; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* This code is independent of the underlying operating system. */
#include "as.h"
static long int size; /* 0 or size of GDB symbol file. */
static char * where; /* Where we put symbol file in memory. */
#define SUSPECT /* JF */
long int /* 0 means don't call gdb_... routines */
gdb_begin (filename) /* because we failed to establish file */
/* in memory. */
char * filename; /* NULL: we have nothing to do. */
{
long int gdb_file_size();
char * xmalloc();
void gdb_file_begin();
void gdb_file_read();
void gdb_block_begin();
void gdb_symbols_begin();
gdb_file_begin();
size = 0;
if (filename && (size = gdb_file_size (filename)))
{
where = xmalloc( (long) size );
gdb_file_read (where, filename); /* Read, then close file. */
gdb_block_begin();
gdb_symbols_begin();
}
return (size);
}
void
gdb_end()
{
void gdb_file_end();
gdb_file_end();
}
void
gdb_emit (filename) /* Append GDB symbols to object file. */
char * filename;
{
void gdb_block_emit();
void gdb_symbols_emit();
void gdb_lines_emit();
void output_file_append();
gdb_block_emit ();
gdb_symbols_emit ();
gdb_lines_emit();
output_file_append (where, size, filename);
}
/*
Notes: We overwrite what was there.
We assume all overwrites are 4-char numbers.
*/
void
gdb_alter (offset, value) /* put value into GDB file + offset. */
long int offset;
long int value;
{
void md_number_to_chars();
#ifdef SUSPECT
if (offset > size - sizeof(long int) || offset < 0)
{
as_warn( "gdb_alter: offset=%d. size=%ld.\n", offset, size );
return;
}
#endif
#ifdef B_OUT
/* Symbol info will be used on the host machine only (only executable
* code is actually downloaded to the i80960). Therefore, leave it
* in host byte order.
*/
*(long int *)(where + offset) = value;
#else
md_number_to_chars (where + offset, value, 4);
#endif
}
/* end: gdb.c */
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