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configure.ac: Define FFI_MMAP_EXEC_WRIT for the given targets. 

2009-12-26  Andreas Tobler  <a.tobler@schweiz.org>

	* configure.ac: Define FFI_MMAP_EXEC_WRIT for the given targets.
	* configure: Regenerate.
	* fficonfig.h.in: Likewise.
	* src/closures.c: Remove the FFI_MMAP_EXEC_WRIT definition for
	Solaris/x86.

From-SVN: r155475
This commit is contained in:
Andreas Tobler 2009-12-26 18:49:55 +00:00 committed by Andreas Tobler
parent 302486f4fb
commit 99fba2c42a
5 changed files with 27 additions and 5 deletions
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8
libffi/ChangeLog
View File

@ -1,3 +1,11 @@
2009-12-26 Andreas Tobler <a.tobler@schweiz.org>
* configure.ac: Define FFI_MMAP_EXEC_WRIT for the given targets.
* configure: Regenerate.
* fficonfig.h.in: Likewise.
* src/closures.c: Remove the FFI_MMAP_EXEC_WRIT definition for
Solaris/x86.
2009-12-26 Andreas Schwab <schwab@linux-m68k.org> 2009-12-26 Andreas Schwab <schwab@linux-m68k.org>
* src/powerpc/ffi.c (ffi_prep_args_SYSV): Advance intarg_count * src/powerpc/ffi.c (ffi_prep_args_SYSV): Advance intarg_count

8
libffi/configure vendored
View File

@ -12405,6 +12405,14 @@ $as_echo "#define HAVE_AS_X86_PCREL 1" >>confdefs.h
fi fi
fi fi
case "$target" in
*-apple-darwin10* | *-*-freebsd* | *-*-openbsd* | *-pc-solaris*)
$as_echo "#define FFI_MMAP_EXEC_WRIT 1" >>confdefs.h
;;
esac
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether .eh_frame section should be read-only" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether .eh_frame section should be read-only" >&5
$as_echo_n "checking whether .eh_frame section should be read-only... " >&6; } $as_echo_n "checking whether .eh_frame section should be read-only... " >&6; }
if test "${libffi_cv_ro_eh_frame+set}" = set; then : if test "${libffi_cv_ro_eh_frame+set}" = set; then :

8
libffi/configure.ac
View File

@ -271,6 +271,14 @@ if test x$TARGET = xX86 || test x$TARGET = xX86_WIN32 || test x$TARGET = xX86_64
fi fi
fi fi
case "$target" in
*-apple-darwin10* | *-*-freebsd* | *-*-openbsd* | *-pc-solaris*)
AC_DEFINE(FFI_MMAP_EXEC_WRIT, 1,
[Cannot use malloc on this target, so, we revert to
alternative means])
;;
esac
AC_CACHE_CHECK([whether .eh_frame section should be read-only], AC_CACHE_CHECK([whether .eh_frame section should be read-only],
libffi_cv_ro_eh_frame, [ libffi_cv_ro_eh_frame, [
libffi_cv_ro_eh_frame=no libffi_cv_ro_eh_frame=no

3
libffi/fficonfig.h.in
View File

@ -17,6 +17,9 @@
/* Define this if you want extra debugging. */ /* Define this if you want extra debugging. */
#undef FFI_DEBUG #undef FFI_DEBUG
/* Cannot use malloc on this target, so, we revert to alternative means */
#undef FFI_MMAP_EXEC_WRIT
/* Define this is you do not want support for the raw API. */ /* Define this is you do not want support for the raw API. */
#undef FFI_NO_RAW_API #undef FFI_NO_RAW_API

5
libffi/src/closures.c
View File

@ -50,11 +50,6 @@
executable memory. */ executable memory. */
# define FFI_MMAP_EXEC_WRIT 1 # define FFI_MMAP_EXEC_WRIT 1
# endif # endif
# if defined(X86_64) && defined(__sun__) && defined(__svr4__)
/* The data segment on 64-bit Solaris/x86 isn't executable, so use mmap
instead. */
# define FFI_MMAP_EXEC_WRIT 1
# endif
#endif #endif
#if FFI_MMAP_EXEC_WRIT && !defined FFI_MMAP_EXEC_SELINUX #if FFI_MMAP_EXEC_WRIT && !defined FFI_MMAP_EXEC_SELINUX