unixsave_u370.c

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/*
(c) Copyright Taiichi Yuasa and Masami Hagiya, 1984.  All rights reserved.
Copying of this file is authorized to users who have executed the true and
proper "License Agreement for Kyoto Common LISP" with SIGLISP.
*/

/*
	unixsave.c
*/


#include <fcntl.h>
#include <filehdr.h>
#include <scnhdr.h>
#ifdef u370
#undef u370
#include <aouthdr.h>

filecpy(to, from, n)
FILE *to, *from;
register int n;
{
	char buffer[BUFSIZ];

	for (;;)
		if (n > BUFSIZ) {
			fread(buffer, BUFSIZ, 1, from);
			fwrite(buffer, BUFSIZ, 1, to);
			n -= BUFSIZ;
		} else if (n > 0) {
			fread(buffer, 1, n, from);
			fwrite(buffer, 1, n, to);
			break;
		} else
			break;
}


memory_save(original_file, save_file)
char *original_file, *save_file;
{	MEM_SAVE_LOCALS;
	struct scnhdr shdrs[15];
	char *data_begin, *data_end;
	int original_data;
	FILE *original, *save;
	register int n;
	register char *p;
	extern char *sbrk();
	extern char stdin_buf[BUFSIZ], stdout_buf[BUFSIZ];

	fclose(stdin);
	original = fopen(original_file, "r");
	if (stdin != original || original->_file != 0) {
		fprintf(stderr, "Can't open the original file.\n");
		exit(1);
	}
	setbuf(original, stdin_buf);
	fclose(stdout);
	unlink(save_file);
	n = open(save_file, O_CREAT|O_WRONLY, 0777);
	if (n != 1 || (save = fdopen(n, "w")) != stdout) {
		fprintf(stderr, "Can't open the save file.\n");
		exit(1);
	}
	setbuf(save, stdout_buf);

	/* READ_HEADER; */
        fread(&fileheader, sizeof(fileheader), 1, original); 
	fread(&header, fileheader.f_opthdr, 1, original);
	fread(&shdrs[1],sizeof(sectionheader),fileheader.f_nscns,original);
	data_begin = (char *) shdrs[2].s_paddr;
	data_end = core_end; 
	original_data = header.a_data; 
	header.a_data = data_end - data_begin; 
	diff = header.a_data - original_data; 
	header.a_bss = sbrk(0) - core_end;  
	fileheader.f_symptr += diff;
	fwrite(&fileheader, sizeof(fileheader), 1, save);
	fwrite(&header,fileheader.f_opthdr , 1, save);

	 /* .text */
#define INC_IF(x) if(x) x = x+diff;

	 /* .data */
	INC_IF(shdrs[2].s_size);
	
	 /* .bss */
	shdrs[3].s_paddr += diff;
	shdrs[3].s_vaddr += diff;
	shdrs[3].s_size = header.a_bss; 

	for (n = 1;  n <= fileheader.f_nscns;  n++) {
	  	INC_IF(shdrs[n].s_lnnoptr);
		if(n>=3) {INC_IF(shdrs[n].s_scnptr);}

	};
	fwrite(&shdrs[1],sizeof(sectionheader),fileheader.f_nscns,save);

	filecpy(save,original,shdrs[2].s_scnptr - ftell(save));

	for (n = header.a_data, p = data_begin;  ;  n -= BUFSIZ, p += BUFSIZ)
		if (n > BUFSIZ)
			fwrite(p, BUFSIZ, 1, save);
		else if (n > 0) {
			fwrite(p, 1, n, save);
			break;
		} else
			break;

	fseek(original, original_data, 1);

	COPY_TO_SAVE;

	fclose(original);
	fclose(save);
}

Lsave()
{
	char filename[256];

	check_arg(1);
	check_type_or_pathname_string_symbol_stream(&vs_base[0]);
	coerce_to_filename(vs_base[0], filename);

	_cleanup();
/*
	{
		FILE *p;
		int nfile;


		nfile = NUMBER_OPEN_FILES;

		for (p = &_iob[3];  p < &_iob[nfile];  p++)
			fclose(p);
	}
*/
	memory_save(kcl_self, filename);
/*
	_exit(0);
*/
	exit(0);
	/*  no return  */
}



#include "page.h"
#undef sbrk
char *sbrk ();
char *
sbrk1(n)
{ char *m1;
  char * m = sbrk(0);
/* printf("Calling sbrk(0x%08x),[cur,rently sbrk(0)=0x%08x,core_end=0x%08x,"
   ,n,m,core_end);
   */
 m1 =  sbrk(n);
 if (core_end && m1!= m)
   { if (m1 < m ||
	 ((int)m1 % PAGESIZE))
	 { error("unexpected sbrk");
	 }
     while ( m < m1)
      {type_map[page(m)] = t_other;
       m += PAGESIZE;
     }
    core_end = m;}
/*  printf("Returning 0x%08x\n",m); */
 return m;}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.