Add an elf not so kgdb detects the kernel as a FreeBSD elf file. The
ELFNOTE macro is based on one from the FreeBSD/ARM Xen tree [1]. Obtained from: Julien Grall <julien.grall AT linaro.org> [1]
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=273251
36
sys/arm/arm/elf_note.S
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36
sys/arm/arm/elf_note.S
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@ -0,0 +1,36 @@
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/*-
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* Copyright (c) 2014 Andrew Turner <andrew@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <machine/asm.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <machine/asmacros.h>
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/* An ELF note so GDB detects this as a FreeBSD elf file */
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ELFNOTE(.note.tag, 1, "FreeBSD", .long, __FreeBSD_version);
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@ -45,6 +45,18 @@
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ldr tmp, [tmp, #PC_CURTHREAD]
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#endif
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#define ELFNOTE(section, type, vendor, desctype, descdata...) \
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.pushsection section ; \
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.balign 4 ; \
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.long 2f - 1f /* namesz */ ; \
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.long 4f - 3f /* descsz */ ; \
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.long type /* type */ ; \
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1: .asciz vendor /* vendor name */ ; \
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2: .balign 4 ; \
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3: desctype descdata /* node */ ; \
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4: .balign 4 ; \
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.popsection
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#endif /* LOCORE */
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#endif /* _KERNEL */
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@ -18,6 +18,7 @@ arm/arm/devmap.c standard
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arm/arm/disassem.c optional ddb
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arm/arm/dump_machdep.c standard
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arm/arm/elf_machdep.c standard
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arm/arm/elf_note.S standard
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arm/arm/exception.S standard
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arm/arm/fiq.c standard
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arm/arm/fiq_subr.S standard
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