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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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6545eb030e
Structure objtool_file can be used by different subcommands. In fact it already is, by check and orc. Provide a function that allows to initialize objtool_file, that builtin can call, without relying on check to do the correct setup for them and explicitly hand the objtool_file to them. Reviewed-by: Miroslav Benes <mbenes@suse.cz> Signed-off-by: Julien Thierry <jthierry@redhat.com> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
62 lines
1.2 KiB
C
62 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (C) 2017 Josh Poimboeuf <jpoimboe@redhat.com>
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*/
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/*
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* objtool orc:
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*
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* This command analyzes a .o file and adds .orc_unwind and .orc_unwind_ip
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* sections to it, which is used by the in-kernel ORC unwinder.
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*
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* This command is a superset of "objtool check".
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*/
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#include <string.h>
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#include "builtin.h"
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#include "objtool.h"
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static const char *orc_usage[] = {
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"objtool orc generate [<options>] file.o",
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"objtool orc dump file.o",
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NULL,
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};
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int cmd_orc(int argc, const char **argv)
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{
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const char *objname;
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argc--; argv++;
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if (argc <= 0)
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usage_with_options(orc_usage, check_options);
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if (!strncmp(argv[0], "gen", 3)) {
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struct objtool_file *file;
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argc = parse_options(argc, argv, check_options, orc_usage, 0);
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if (argc != 1)
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usage_with_options(orc_usage, check_options);
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objname = argv[0];
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file = objtool_open_read(objname);
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if (!file)
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return 1;
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return check(file, true);
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}
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if (!strcmp(argv[0], "dump")) {
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if (argc != 2)
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usage_with_options(orc_usage, check_options);
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objname = argv[1];
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return orc_dump(objname);
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}
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usage_with_options(orc_usage, check_options);
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return 0;
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}
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