132 lines
3.8 KiB
Plaintext
132 lines
3.8 KiB
Plaintext
Index: libffi/src/closures.c
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===================================================================
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--- libffi.orig/src/closures.c
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+++ libffi/src/closures.c
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@@ -50,11 +50,6 @@
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executable memory. */
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# define FFI_MMAP_EXEC_WRIT 1
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# endif
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-# if defined(X86_64) && defined(__sun__) && defined(__svr4__)
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-/* The data segment on 64-bit Solaris/x86 isn't executable, so use mmap
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- instead. */
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-# define FFI_MMAP_EXEC_WRIT 1
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-# endif
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#endif
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#if FFI_MMAP_EXEC_WRIT && !defined FFI_MMAP_EXEC_SELINUX
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@@ -214,6 +209,8 @@ static int dlmunmap(void *, size_t);
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#if !(defined(X86_WIN32) || defined(X86_WIN64)) || defined (__CYGWIN__)
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+#if FFI_MMAP_EXEC_SELINUX
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+
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/* A mutex used to synchronize access to *exec* variables in this file. */
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static pthread_mutex_t open_temp_exec_file_mutex = PTHREAD_MUTEX_INITIALIZER;
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@@ -483,6 +480,27 @@ dlmmap (void *start, size_t length, int
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return dlmmap_locked (start, length, prot, flags, offset);
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}
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+#else
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+
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+static void *
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+dlmmap (void *start, size_t length, int prot,
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+ int flags, int fd, off_t offset)
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+{
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+
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+ assert (start == NULL && length % malloc_getpagesize == 0
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+ && prot == (PROT_READ | PROT_WRITE)
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+ && flags == (MAP_PRIVATE | MAP_ANONYMOUS)
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+ && fd == -1 && offset == 0);
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+
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+#if FFI_CLOSURE_TEST
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+ printf ("mapping in %zi\n", length);
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+#endif
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+
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+ return mmap (start, length, prot | PROT_EXEC, flags, fd, offset);
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+}
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+
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+#endif
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+
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/* Release memory at the given address, as well as the corresponding
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executable page if it's separate. */
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static int
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Index: libffi/ChangeLog.libffi
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===================================================================
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--- libffi.orig/ChangeLog.libffi
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+++ libffi/ChangeLog.libffi
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@@ -1,3 +1,17 @@
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+2009-12-25 Andreas Tobler <a.tobler@schweiz.org>
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+
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+ * fficonfig.h.in: Rebuilt again.
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+ * src/closures.c: Remove the FFI_MMAP_EXEC_WRIT definition for
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+ Solaris/x86.
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+
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+2009-10-27 Abdulaziz Ghuloum <aghuloum@gmail.com>
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+
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+ * configure.ac (FFI_MMAP_EXEC_WRIT): Define for snow
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+ leopard (i?86-apple-darwin10*).
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+ * configure: Rebuilt.
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+ * fficonfig.h.in: Rebuilt.
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+ * src/closures.c (dlmmap): Define version for snow leopard.
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+
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2009-10-05 Bradley Smith <brad@brad-smith.co.uk>
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* configure.ac, Makefile.am, src/avr32/ffi.c,
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Index: libffi/configure.ac
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===================================================================
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--- libffi.orig/configure.ac
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+++ libffi/configure.ac
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@@ -274,6 +274,14 @@ if test x$TARGET = xX86 || test x$TARGET
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fi
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fi
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+case "$target" in
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+ *-apple-darwin10* | *-*-freebsd* | *-*-openbsd* | *-pc-solaris*)
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+ AC_DEFINE(FFI_MMAP_EXEC_WRIT, 1,
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+ [Cannot use malloc on this target, so, we revert to
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+ alternative means])
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+ ;;
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+esac
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+
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AC_CACHE_CHECK([whether .eh_frame section should be read-only],
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libffi_cv_ro_eh_frame, [
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libffi_cv_ro_eh_frame=no
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Index: libffi/configure
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===================================================================
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--- libffi.orig/configure
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+++ libffi/configure
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@@ -14498,7 +14498,7 @@ _ACEOF
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fi
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case "$target" in
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- i?86-apple-darwin10*)
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+ *-apple-darwin10* | *-*-freebsd* | *-*-openbsd* | *-pc-solaris*)
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cat >>confdefs.h <<\_ACEOF
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#define FFI_MMAP_EXEC_WRIT 1
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Index: libffi/fficonfig.h.in
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===================================================================
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--- libffi.orig/fficonfig.h.in
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+++ libffi/fficonfig.h.in
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@@ -17,6 +17,9 @@
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/* Define this if you want extra debugging. */
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#undef FFI_DEBUG
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+/* Cannot use malloc on this target, so, we revert to alternative means */
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+#undef FFI_MMAP_EXEC_WRIT
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+
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/* Define this is you do not want support for the raw API. */
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#undef FFI_NO_RAW_API
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@@ -122,9 +125,6 @@
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/* Define to the one symbol short name of this package. */
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#undef PACKAGE_TARNAME
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-/* Define to the home page for this package. */
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-#undef PACKAGE_URL
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-
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/* Define to the version of this package. */
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#undef PACKAGE_VERSION
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