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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2017 Jason King
* Copyright 2019 Joyent, Inc.
*/
#ifndef _DEMANGLE_INT_H
#define _DEMANGLE_INT_H
#include <inttypes.h>
#include <stdio.h>
#include <sys/byteorder.h>
#include <sys/ctype.h> /* Use ASCII ISXXXX() macros */
#include <sys/debug.h>
#include <sys/sysmacros.h>
#include <sys/isa_defs.h>
#include "demangle-sys.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __CHECKER__
/*
* smatch seems to have a bug which chokes on the builtins, so
* we just have it fallback to the non-builtin definitions
*/
#elif __GNUC__ >= 5 && __GNUC_MINOR__ > 1
#define USE_BUILTIN_OVERFLOW
#elif defined(__clang__)
#define USE_BUILTIN_OVERFLOW
#endif
#ifdef USE_BUILTIN_OVERFLOW
static inline boolean_t
mul_overflow(uint64_t a, uint64_t b, uint64_t *v)
{
return (__builtin_mul_overflow(a, b, v));
}
static inline boolean_t
add_overflow(uint64_t a, uint64_t b, uint64_t *v)
{
return (__builtin_add_overflow(a, b, v));
}
static inline boolean_t
sub_overflow(uint64_t a, uint64_t b, uint64_t *v)
{
return (__builtin_sub_overflow(a, b, v));
}
#else
static inline boolean_t
mul_overflow(uint64_t a, uint64_t b, uint64_t *v)
{
uint64_t val = a * b;
if (a != 0 && val / a != b)
return (B_TRUE);
*v = val;
return (B_FALSE);
}
static inline boolean_t
add_overflow(uint64_t a, uint64_t b, uint64_t *v)
{
uint64_t val = a + b;
if (val < a || val < b)
return (B_TRUE);
*v = val;
return (B_FALSE);
}
static inline boolean_t
sub_overflow(uint64_t a, uint64_t b, uint64_t *v)
{
uint64_t val = a - b;
if (val > a)
return (B_TRUE);
*v = val;
return (B_FALSE);
}
#endif
extern sysdem_ops_t *sysdem_ops_default;
char *cpp_demangle(const char *, size_t, sysdem_ops_t *);
char *rust_demangle(const char *, size_t, sysdem_ops_t *);
struct custr_alloc;
void *zalloc(sysdem_ops_t *, size_t);
void *xcalloc(sysdem_ops_t *, size_t, size_t);
void *xrealloc(sysdem_ops_t *, void *, size_t, size_t);
void xfree(sysdem_ops_t *, void *, size_t);
char *xstrdup(sysdem_ops_t *, const char *);
extern volatile boolean_t demangle_debug;
/*
* gcc seems to get unhappy with the ASSERT() style definition (also borrowed
* for the DEMDEBUG macro unless demdebug() is returns a non-void value
* (despite the return value never being used).
*/
int demdebug(const char *, ...);
#define DEMDEBUG(s, ...) \
((void)(demangle_debug && demdebug(s, ## __VA_ARGS__)))
#ifdef __cplusplus
}
#endif
#endif /* _DEMANGLE_INT_H */
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