linux_dsm_epyc7002/tools/objtool/warn.h
Peter Zijlstra 53d20720bb objtool: Rename find_containing_func()
For consistency; we have:

  find_symbol_by_offset() / find_symbol_containing()
  find_func_by_offset()   / find_containing_func()

fix that.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lkml.kernel.org/r/20200324160924.558470724@infradead.org
2020-03-25 18:28:29 +01:00

67 lines
1.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2015 Josh Poimboeuf <jpoimboe@redhat.com>
*/
#ifndef _WARN_H
#define _WARN_H
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "elf.h"
extern const char *objname;
static inline char *offstr(struct section *sec, unsigned long offset)
{
struct symbol *func;
char *name, *str;
unsigned long name_off;
func = find_func_containing(sec, offset);
if (func) {
name = func->name;
name_off = offset - func->offset;
} else {
name = sec->name;
name_off = offset;
}
str = malloc(strlen(name) + 20);
if (func)
sprintf(str, "%s()+0x%lx", name, name_off);
else
sprintf(str, "%s+0x%lx", name, name_off);
return str;
}
#define WARN(format, ...) \
fprintf(stderr, \
"%s: warning: objtool: " format "\n", \
objname, ##__VA_ARGS__)
#define WARN_FUNC(format, sec, offset, ...) \
({ \
char *_str = offstr(sec, offset); \
WARN("%s: " format, _str, ##__VA_ARGS__); \
free(_str); \
})
#define BT_FUNC(format, insn, ...) \
({ \
struct instruction *_insn = (insn); \
char *_str = offstr(_insn->sec, _insn->offset); \
WARN(" %s: " format, _str, ##__VA_ARGS__); \
free(_str); \
})
#define WARN_ELF(format, ...) \
WARN(format ": %s", ##__VA_ARGS__, elf_errmsg(-1))
#endif /* _WARN_H */