Commit 19ab8db9 authored by Richard M. Stallman's avatar Richard M. Stallman
Browse files

[MACH]: Include a.out.h.

[MACH] (STYP_INIT, _RDATA, STYP_RDATA, _SDATA, STYP_SDATA): Defined.
[MACH] (_SBSS, STYP_SBSS, HDRR, pHDRR): New definitions.
(unexec): Add MACH conditionals.
parent a46849a8
......@@ -31,11 +31,52 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <sys/stat.h>
#include <stdio.h>
#include <varargs.h>
#ifdef MACH
#include <a.out.h>
/* I don't know why this isn't defined. */
#ifndef STYP_INIT
#define STYP_INIT 0x80000000
#endif
/* I don't know why this isn't defined. */
#ifndef _RDATA
#define _RDATA ".rdata"
#define STYP_RDATA 0x00000100
#endif
/* Small ("near") data section. */
#ifndef _SDATA
#define _SDATA ".sdata"
#define STYP_SDATA 0x00000200
#endif
/* Small ("near") bss section. */
#ifndef _SBSS
#define _SBSS ".sbss"
#define STYP_SBSS 0x00000400
#endif
/* We don't seem to have a sym.h or syms.h anywhere, so we'll do it the
hard way. This stinks. */
typedef struct {
short magic;
short vstamp;
long ilineMax;
struct { long foo, offset; } offsets[11];
} HDRR, *pHDRR;
#else /* not MACH */
#include <filehdr.h>
#include <aouthdr.h>
#include <scnhdr.h>
#include <sym.h>
#endif /* not MACH */
#if defined (IRIS_4D) || defined (sony)
#include "getpagesize.h"
#include <fcntl.h>
......@@ -244,10 +285,14 @@ unexec (new_name, a_name, data_start, bss_start, entry_address)
errno = EEOF;
nread = read (old, buffer, BUFSIZE);
if (nread < sizeof (HDRR)) fatal_unexec ("reading symbols from %s", a_name);
#define symhdr ((pHDRR)buffer)
newsyms = hdr.aout.tsize + hdr.aout.dsize;
symrel = newsyms - hdr.fhdr.f_symptr;
hdr.fhdr.f_symptr = newsyms;
#define symhdr ((pHDRR)buffer)
#ifdef MACH
for (i = 0; i < 11; i++)
symhdr->offsets[i].offset += symrel;
#else
symhdr->cbLineOffset += symrel;
symhdr->cbDnOffset += symrel;
symhdr->cbPdOffset += symrel;
......@@ -259,6 +304,7 @@ unexec (new_name, a_name, data_start, bss_start, entry_address)
symhdr->cbFdOffset += symrel;
symhdr->cbRfdOffset += symrel;
symhdr->cbExtOffset += symrel;
#endif
#undef symhdr
do
{
......
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