aboutsummaryrefslogtreecommitdiff
path: root/libiberty/pex-unix.c
diff options
context:
space:
mode:
authorDJ Delorie <dj@redhat.com>2009-07-27 19:01:17 +0000
committerDJ Delorie <dj@redhat.com>2009-07-27 19:01:17 +0000
commit9fef968a22987b67182642f1a1bf70aaaab7a6b2 (patch)
treeca8a6feb0d067d38f6ae06856c110c0aa0de40fa /libiberty/pex-unix.c
parentd2fcac5caac9875cf9a8039b2061bf0b3895b9bc (diff)
downloadgdb-9fef968a22987b67182642f1a1bf70aaaab7a6b2.zip
gdb-9fef968a22987b67182642f1a1bf70aaaab7a6b2.tar.gz
gdb-9fef968a22987b67182642f1a1bf70aaaab7a6b2.tar.bz2
merge from gcc
Diffstat (limited to 'libiberty/pex-unix.c')
-rw-r--r--libiberty/pex-unix.c43
1 files changed, 36 insertions, 7 deletions
diff --git a/libiberty/pex-unix.c b/libiberty/pex-unix.c
index 366e96e..baf2bb4 100644
--- a/libiberty/pex-unix.c
+++ b/libiberty/pex-unix.c
@@ -1,7 +1,7 @@
/* Utilities to execute a program in a subprocess (possibly linked by pipes
with other subprocesses), and wait for it. Generic Unix version
(also used for UWIN and VMS).
- Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005
+ Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2009
Free Software Foundation, Inc.
This file is part of the libiberty library.
@@ -65,11 +65,40 @@ extern int errno;
#ifdef HAVE_VFORK_H
#include <vfork.h>
#endif
-#ifdef VMS
-#define vfork() (decc$$alloc_vfork_blocks() >= 0 ? \
- lib$get_current_invo_context(decc$$get_vfork_jmpbuf()) : -1)
-#endif /* VMS */
+#if defined(VMS) && defined (__LONG_POINTERS)
+#ifndef __CHAR_PTR32
+typedef char * __char_ptr32
+__attribute__ ((mode (SI)));
+#endif
+
+typedef __char_ptr32 *__char_ptr_char_ptr32
+__attribute__ ((mode (SI)));
+
+/* Return a 32 bit pointer to an array of 32 bit pointers
+ given a 64 bit pointer to an array of 64 bit pointers. */
+
+static __char_ptr_char_ptr32
+to_ptr32 (char **ptr64)
+{
+ int argc;
+ __char_ptr_char_ptr32 short_argv;
+
+ for (argc=0; ptr64[argc]; argc++);
+ /* Reallocate argv with 32 bit pointers. */
+ short_argv = (__char_ptr_char_ptr32) decc$malloc
+ (sizeof (__char_ptr32) * (argc + 1));
+
+ for (argc=0; ptr64[argc]; argc++)
+ short_argv[argc] = (__char_ptr32) decc$strdup (ptr64[argc]);
+
+ short_argv[argc] = (__char_ptr32) 0;
+ return short_argv;
+
+}
+#else
+#define to_ptr32(argv) argv
+#endif
/* File mode to use for private and world-readable files. */
@@ -425,12 +454,12 @@ pex_unix_exec_child (struct pex_obj *obj, int flags, const char *executable,
if ((flags & PEX_SEARCH) != 0)
{
- execvp (executable, argv);
+ execvp (executable, to_ptr32 (argv));
pex_child_error (obj, executable, "execvp", errno);
}
else
{
- execv (executable, argv);
+ execv (executable, to_ptr32 (argv));
pex_child_error (obj, executable, "execv", errno);
}