* defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
* crtstuff.c: Not here.
* dwarf2out.c: Or here.
* libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
info.
From-SVN: r29241
+Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
+ * crtstuff.c: Not here.
+ * dwarf2out.c: Or here.
+ * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
+ info.
+
Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
* function.h (free_after_compilation): Remove decl parameter.
/* Specialized bits of code needed to support construction and
destruction of file-scope objects in C++ code.
- Copyright (C) 1991, 94, 95, 96, 97, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1991, 1994-1999 Free Software Foundation, Inc.
Contributed by Ron Guilmette (rfg@monkeys.com).
This file is part of GNU CC.
#ifndef DTORS_SECTION_ASM_OP
#define DTORS_SECTION_ASM_OP ".section\t.dtors,\"aw\""
#endif
-#if !defined (EH_FRAME_SECTION_ASM_OP) && defined (DWARF2_UNWIND_INFO) && defined(ASM_OUTPUT_SECTION_NAME)
-#define EH_FRAME_SECTION_ASM_OP ".section\t.eh_frame,\"aw\""
-#endif
#ifdef OBJECT_FORMAT_ELF
/* Definitions of various defaults for how to do assembler output
(most of which are designed to be appropriate for GAS or for
some BSD assembler).
- Copyright (C) 1992, 1996, 1997, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1992, 1996-1999 Free Software Foundation, Inc.
Contributed by Ron Guilmette (rfg@monkeys.com)
This file is part of GNU CC.
#define DWARF2_UNWIND_INFO 1
#endif
+#if defined (DWARF2_UNWIND_INFO) && !defined (EH_FRAME_SECTION)
+# if defined (EH_FRAME_SECTION_ASM_OP)
+# define EH_FRAME_SECTION() eh_frame_section();
+# else
+ /* If we aren't using crtstuff to run ctors, don't use it for EH. */
+# if defined (ASM_OUTPUT_SECTION_NAME) && defined (ASM_OUTPUT_CONSTRUCTOR)
+# define EH_FRAME_SECTION_ASM_OP ".section\t.eh_frame,\"aw\""
+# define EH_FRAME_SECTION() \
+ do { named_section (NULL_TREE, ".eh_frame", 0); } while (0)
+# endif
+# endif
+#endif
+
/* By default, we generate a label at the beginning and end of the
text section, and compute the size of the text section by
subtracting the two. However, on some platforms that doesn't
}
}
-#if !defined (EH_FRAME_SECTION)
-#if defined (EH_FRAME_SECTION_ASM_OP)
-#define EH_FRAME_SECTION() eh_frame_section();
-#else
-#if defined (ASM_OUTPUT_SECTION_NAME)
-#define EH_FRAME_SECTION() \
- do { \
- named_section (NULL_TREE, ".eh_frame", 0); \
- } while (0)
-#endif
-#endif
-#endif
-
-/* If we aren't using crtstuff to run ctors, don't use it for EH. */
-#if !defined (HAS_INIT_SECTION) && !defined (INIT_SECTION_ASM_OP)
-#undef EH_FRAME_SECTION
-#endif
-
/* Output the call frame information used to used to record information
that relates to calculating the frame pointer, and records the
location of saved registers. */
#endif
#if !defined (HAS_INIT_SECTION) || !defined (OBJECT_FORMAT_ELF)
+
+/* Some ELF crosses use crtstuff.c to provide __CTOR_LIST__, but use this
+ code to run constructors. In that case, we need to handle EH here, too. */
+
+#ifdef EH_FRAME_SECTION
+#include "frame.h"
+extern unsigned char __EH_FRAME_BEGIN__[];
+#endif
+
/* Run all the global destructors on exit from the program. */
void
(*(p-1)) ();
}
#endif
+#ifdef EH_FRAME_SECTION
+ __deregister_frame_info (__EH_FRAME_BEGIN__);
+#endif
}
#endif
void
__do_global_ctors ()
{
+#ifdef EH_FRAME_SECTION
+ {
+ static struct object object;
+ __register_frame_info (__EH_FRAME_BEGIN__, &object);
+ }
+#endif
DO_GLOBAL_CTORS_BODY;
ON_EXIT (__do_global_dtors, 0);
}