linux/tools/objtool/weak.c
Josh Poimboeuf ab4e0744e9 objtool: Refactor ORC section generation
Decouple ORC entries from instructions.  This simplifies the
control/data flow, and is going to make it easier to support alternative
instructions which change the stack layout.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
2021-01-14 09:53:42 -06:00

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C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2020 Matt Helsley <mhelsley@vmware.com>
* Weak definitions necessary to compile objtool without
* some subcommands (e.g. check, orc).
*/
#include <stdbool.h>
#include <errno.h>
#include <objtool/objtool.h>
#define UNSUPPORTED(name) \
({ \
fprintf(stderr, "error: objtool: " name " not implemented\n"); \
return ENOSYS; \
})
int __weak check(struct objtool_file *file)
{
UNSUPPORTED("check subcommand");
}
int __weak orc_dump(const char *_objname)
{
UNSUPPORTED("orc");
}
int __weak orc_create(struct objtool_file *file)
{
UNSUPPORTED("orc");
}