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authorRichard Kenner <kenner@gcc.gnu.org>1995-05-19 19:30:17 -0400
committerRichard Kenner <kenner@gcc.gnu.org>1995-05-19 19:30:17 -0400
commit5378943d846887a777a0d8126c697998ffdb394c (patch)
tree348e9ff39288c62ed44c980d06c57bce617ac742
parentf218a117a0316c5d9eb4a4704fa52cfc80b3fc30 (diff)
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Added reference to INIT_SECTION_PREAMBLE for systems that do something
which must be undone prior to __do_global_ctors. From-SVN: r9749
-rw-r--r--gcc/crtstuff.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/gcc/crtstuff.c b/gcc/crtstuff.c
index f95678c..5a7c8d4 100644
--- a/gcc/crtstuff.c
+++ b/gcc/crtstuff.c
@@ -3,7 +3,7 @@
Written by Ron Guilmette (rfg@netcom.com) with help from Richard Stallman.
-Copyright (C) 1991, 1994 Free Software Foundation, Inc.
+Copyright (C) 1991, 1994, 1995 Free Software Foundation, Inc.
This file is part of GNU CC.
@@ -158,6 +158,16 @@ void __do_global_ctors ()
asm (INIT_SECTION_ASM_OP); /* cc1 doesn't know that we are switching! */
+/* On some svr4 systems, the initial .init section preamble code provided in
+ crti.o may do something, such as bump the stack, which we have to
+ undo before we reach the function prologue code for __do_global_ctors
+ (directly below). For such systems, define the macro INIT_SECTION_PREAMBLE
+ to expand into the code needed to undo the actions of the crti.o file. */
+
+#ifdef INIT_SECTION_PREAMBLE
+ INIT_SECTION_PREAMBLE;
+#endif
+
/* A routine to invoke all of the global constructors upon entry to the
program. We put this into the .init section (for systems that have
such a thing) so that we can properly perform the construction of