Commit 3b95c869 authored by Roland McGrath's avatar Roland McGrath

[! MAP_FILE] (MAP_FILE): Define to zero.

(unexec): Remove unused variable BUF.
Use MAP_FILE bit in mmap call.
(run_time_remap): Use MAP_FILE bit in mmap call.
parent a0c567b5
......@@ -35,6 +35,12 @@
#include <stdio.h>
#include <a.out.h>
/* NetBSD needs this bit, but SunOS does not have it. */
#ifndef MAP_FILE
#define MAP_FILE 0
#endif
/*
* for programs other than emacs
* define data_start + initialized here, and make sure
......@@ -63,7 +69,6 @@ unexec (new_name, a_name, bndry, bss_start, entry)
char *new_name, *a_name;
unsigned bndry, bss_start, entry;
{
char buf[PAGSIZ];
int fd, new;
char *old;
struct exec ohdr; /* Allocate on the stack, not needed in the next life */
......@@ -93,7 +98,7 @@ unexec (new_name, a_name, bndry, bss_start, entry)
exit (1);
}
old = (char *)mmap (0, stat.st_size, PROT_READ, MAP_SHARED, fd, 0);
old = (char *)mmap (0, stat.st_size, PROT_READ, MAP_FILE|MAP_SHARED, fd, 0);
if (old == (char *)-1)
{
fprintf (stderr, "%s: ", a_name);
......@@ -267,7 +272,7 @@ is_it (path)
* addresses in the data segment not part of __DYNAMIC
*/
mmap (data_start, rd_only_len, PROT_READ | PROT_EXEC,
MAP_SHARED | MAP_FIXED, fd,
MAP_FILE | MAP_SHARED | MAP_FIXED, fd,
N_DATOFF (hdr) + data_start - N_DATADDR (hdr));
close (fd);
return 1;
......
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