aboutsummaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
authorIain Sandoe <iain@codesourcery.com>2015-11-28 16:39:30 +0000
committerPedro Alves <palves@redhat.com>2015-11-28 16:39:30 +0000
commit35a88fa501ff2e2fe133e7c0f38768ae703a43b7 (patch)
treec59577728b2277dcdbbb852c1996ef9d432ae3e1 /include
parente9a3881624886dc523a500a86bfdac6dc58fd0db (diff)
downloadgdb-35a88fa501ff2e2fe133e7c0f38768ae703a43b7.zip
gdb-35a88fa501ff2e2fe133e7c0f38768ae703a43b7.tar.gz
gdb-35a88fa501ff2e2fe133e7c0f38768ae703a43b7.tar.bz2
Fix PR63758 by using the _NSGetEnviron() API on Darwin
include/ Roland McGrath <roland@gnu.org> PR other/63758 * environ.h: New file. libiberty/ Roland McGrath <roland@gnu.org> Iain Sandoe <iain@codesourcery.com> PR other/63758 * pex-unix.c: Obtain the environment interface from settings in environ.h rather than in-line code. Update copyright date. * setenv.c: Likewise. * xmalloc.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@228942 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'include')
-rw-r--r--include/ChangeLog5
-rw-r--r--include/environ.h33
2 files changed, 38 insertions, 0 deletions
diff --git a/include/ChangeLog b/include/ChangeLog
index 01a25de..74f9cdc 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -13,6 +13,11 @@
* bfdlink.h (bfd_link_info): Add call_nop_as_suffix and
call_nop_byte.
+2015-10-18 Roland McGrath <roland@gnu.org>
+
+ PR other/63758
+ * environ.h: New file.
+
2015-10-07 Claudiu Zissulescu <claziss@synopsys.com>
* dis-asm.h (arc_get_disassembler): Correct declaration.
diff --git a/include/environ.h b/include/environ.h
new file mode 100644
index 0000000..c18902b
--- /dev/null
+++ b/include/environ.h
@@ -0,0 +1,33 @@
+/* Declare the environ system variable.
+ Copyright (C) 2015 Free Software Foundation, Inc.
+
+This file is part of the libiberty library.
+Libiberty is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+Libiberty is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with libiberty; see the file COPYING.LIB. If not,
+write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
+Boston, MA 02110-1301, USA. */
+
+/* On OSX, the environ variable can be used directly in the code of an
+ executable, but cannot be used in the code of a shared library (such as
+ GCC's liblto_plugin, which links in libiberty code). Instead, the
+ function _NSGetEnviron can be called to get the address of environ. */
+
+#ifndef HAVE_ENVIRON_DECL
+# ifdef __APPLE__
+# include <crt_externs.h>
+# define environ (*_NSGetEnviron ())
+# else
+extern char **environ;
+# endif
+# define HAVE_ENVIRON_DECL
+#endif