b730789521
* Convert gcc48 to simple meta-pkg * Potentially fix non-NetBSD packaging * Fix gcc48-libs/gcc48-cc++ build under OpenBSD/amd64 5.5 * Enable graphite option, from wip/gcc48snapshot via Xiyue Deng * Tweak nls option Changelog: GCC 4.8.3 This is the [35]list of problem reports (PRs) from GCC's bug tracking system that are known to be fixed in the 4.8.3 release. This list might not be complete (that is, it is possible that some PRs that have been fixed are not listed here). Support for the new powerpc64le-linux platform has been added. It defaults to generating code that conforms to the ELFV2
45 lines
1.8 KiB
C
45 lines
1.8 KiB
C
$NetBSD: patch-gcc_config_exec-stack.h,v 1.1 2014/05/31 13:06:25 ryoon Exp $
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--- gcc/config/exec-stack.h.orig 2014-05-24 12:02:13.000000000 +0000
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+++ gcc/config/exec-stack.h
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@@ -0,0 +1,40 @@
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+/* Enable stack execute around trampoline address.
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+ Copyright (C) 2002 Free Software Foundation, Inc.
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+
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+This file is part of GNU CC.
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+
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+GNU CC is free software; you can redistribute it and/or modify
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+it under the terms of the GNU General Public License as published by
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+the Free Software Foundation; either version 2, or (at your option)
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+any later version.
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+
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+GNU CC is distributed in the hope that it will be useful,
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+but WITHOUT ANY WARRANTY; without even the implied warranty of
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+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+GNU General Public License for more details.
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+
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+You should have received a copy of the GNU General Public License
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+along with GNU CC; see the file COPYING. If not, write to
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+the Free Software Foundation, 59 Temple Place - Suite 330,
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+Boston, MA 02111-1307, USA. */
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+
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+#undef FINALIZE_TRAMPOLINE
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+#define FINALIZE_TRAMPOLINE(TRAMP) \
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+ emit_library_call(gen_rtx_SYMBOL_REF (Pmode, "__enable_execute_stack"), \
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+ 0, VOIDmode, 1, memory_address (SImode, (TRAMP)), Pmode)
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+
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+#undef TRANSFER_FROM_TRAMPOLINE
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+#define TRANSFER_FROM_TRAMPOLINE \
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+extern void __enable_execute_stack (void *); \
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+void \
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+__enable_execute_stack (addr) \
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+ void *addr; \
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+{ \
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+ long size = getpagesize (); \
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+ long mask = ~(size-1); \
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+ char *page = (char *) (((long) addr) & mask); \
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+ char *end = (char *) ((((long) (addr + TRAMPOLINE_SIZE)) & mask) + size); \
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+ \
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+ if (mprotect (page, end - page, PROT_READ | PROT_WRITE | PROT_EXEC) < 0) \
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+ perror ("mprotect of trampoline code"); \
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+}
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