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Add replacement for missing getpagesize() on MINGW

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* libguile/posix-w32.c (getpagesize_w32): new procedure
* libguile/posix-w32.h: declaration of getpagesize_w32
* libguile/loader.c [__MINGW32__](scm_bootstrap_loader): use new procedure
* libguile/vm.c [__MINGW32__](scm_i_vm_prepare_stack): use new procedure
This commit is contained in:
Michael Gran 2023-06-20 15:21:10 -07:00
parent 0b9f58c339
commit 0e20c0c8c6
4 changed files with 21 additions and 0 deletions
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7
libguile/loader.c
View file

@ -52,6 +52,9 @@
#include "loader.h"
#ifdef __MINGW32__
#include "posix-w32.h"
#endif
/* This file contains the loader for Guile's on-disk format: ELF with
some custom tags in the dynamic segment. */
@ -822,7 +825,11 @@ scm_find_slot_map_unlocked (const uint32_t *ip)
void
scm_bootstrap_loader (void)
{
#ifndef __MINGW32__
page_size = getpagesize ();
#else
page_size = getpagesize_w32 ();
#endif
/* page_size should be a power of two. */
if (page_size & (page_size - 1))
abort ();

5
libguile/posix-w32.c
View file

@ -1256,3 +1256,8 @@ dlerror_w32 ()
snprintf (dlerror_str, DLERROR_LEN, "error %ld: %s", (long) dw, msg_buf);
return dlerror_str;
}
int
getpagesize_w32 (void)
{
return 4 * 1024;
}

1
libguile/posix-w32.h
View file

@ -95,6 +95,7 @@ SCM_INTERNAL void *dlopen_w32 (const char *name, int flags);
SCM_INTERNAL void *dlsym_w32 (void *handle, const char *name);
SCM_INTERNAL int dlclose_w32 (void *handle);
SCM_INTERNAL char *dlerror_w32 (void);
SCM_INTERNAL int getpagesize_w32 (void);
#define HAVE_UNAME 1
#define HAVE_WAITPID 1

8
libguile/vm.c
View file

@ -72,6 +72,10 @@
#include "version.h"
#include "vm-builtins.h"
#ifdef __MINGW32__
#include "posix-w32.h"
#endif
#include "vm.h"
#include <gc/gc_mark.h>
@ -604,7 +608,11 @@ scm_i_vm_prepare_stack (struct scm_vm *vp)
Guile. */
if (page_size == 0)
{
#ifndef __MINGW32__
page_size = getpagesize ();
#else
page_size = getpagesize_w32 ();
#endif
/* page_size should be a power of two. */
if (page_size & (page_size - 1))
abort ();