OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

defaults.h (EH_FRAME_SECTION, [...]): Define here.

Browse Source 
* 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
This commit is contained in:
Jason Merrill 1999-09-09 21:36:20 +00:00 committed by Jason Merrill
parent a8f73d4b36
commit 31cf01446d
5 changed files with 41 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
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.

5
gcc/crtstuff.c
View File

@ -1,6 +1,6 @@
/* 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.
@ -108,9 +108,6 @@ extern void *__deregister_frame_info (void *)
#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

15
gcc/defaults.h
View File

@ -1,7 +1,7 @@
/* 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.
@ -155,6 +155,19 @@ do { fprintf (FILE, "\t%s\t", ASM_LONG); \
#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

18
gcc/dwarf2out.c
View File

@ -1674,24 +1674,6 @@ output_cfi (cfi, fde)
}
}
#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. */

18
gcc/libgcc2.c
View File

@ -2836,6 +2836,15 @@ cacheflush (char *beg, int size, int flag)
#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
@ -2851,6 +2860,9 @@ __do_global_dtors ()
(*(p-1)) ();
}
#endif
#ifdef EH_FRAME_SECTION
__deregister_frame_info (__EH_FRAME_BEGIN__);
#endif
}
#endif
@ -2871,6 +2883,12 @@ int *_exit_dummy_ref = &_exit_dummy_decl;
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);
}