130 lines
3.7 KiB
Plaintext
130 lines
3.7 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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2009-06-16 Andrew Haley <aph@redhat.com>
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* testsuite/libffi.call/cls_align_sint64.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 "$target" in
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+ *-apple-darwin10* | *-*-freebsd* | *-*-openbsd* | *-pc-solaris*)
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+ AC_DEFINE(FFI_MMAP_EXEC_WRIT, 1,
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+ [Cannot use malloc on this target, so, we revert to
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+ alternative means])
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+ ;;
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+esac
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+
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AC_CACHE_CHECK([whether .eh_frame section should be read-only],
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libffi_cv_ro_eh_frame, [
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libffi_cv_ro_eh_frame=no
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Index: libffi/configure
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===================================================================
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--- libffi.orig/configure
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+++ libffi/configure
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@@ -14497,6 +14497,16 @@ _ACEOF
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fi
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fi
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+case "$target" in
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+ *-apple-darwin10* | *-*-freebsd* | *-*-openbsd* | *-pc-solaris*)
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+
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+cat >>confdefs.h <<\_ACEOF
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+#define FFI_MMAP_EXEC_WRIT 1
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+_ACEOF
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+
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+ ;;
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+esac
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+
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{ $as_echo "$as_me:$LINENO: checking whether .eh_frame section should be read-only" >&5
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$as_echo_n "checking whether .eh_frame section should be read-only... " >&6; }
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if test "${libffi_cv_ro_eh_frame+set}" = set; then
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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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