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Add support for the deprecated attribute

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This is useful for enforcing the usage of getter/setter functions to
access fields which are considered private or have unique access constraints.
This commit is contained in:
Kevin Svetlitski 2023-08-03 15:05:10 -07:00 committed by Qi Wang
parent 162ff8365d
commit 120abd703a
4 changed files with 48 additions and 0 deletions
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24
configure.ac
View File

@ -988,6 +988,30 @@ if test "x${je_cv_cold}" = "xyes" ; then
AC_DEFINE([JEMALLOC_HAVE_ATTR_COLD], [ ], [ ])
fi
dnl Check for deprecated attribute support.
JE_CFLAGS_SAVE()
JE_CFLAGS_ADD([-Wdeprecated-declarations])
JE_COMPILABLE([deprecated attribute],
[#if !__has_attribute(deprecated)
#error "deprecated attribute not supported"
#endif
struct has_deprecated_field {
int good;
int __attribute__((deprecated("Do not use"))) bad;
};
],
[struct has_deprecated_field instance;
instance.good = 0;
instance.bad = 1;
],
[je_cv_deprecated])
JE_CFLAGS_RESTORE()
if test "x${je_cv_deprecated}" = "xyes" ; then
AC_DEFINE([JEMALLOC_HAVE_ATTR_DEPRECATED], [ ], [ ])
JE_CFLAGS_ADD([-Wdeprecated-declarations])
JE_CXXFLAGS_ADD([-Wdeprecated-declarations])
fi
dnl Check for VM_MAKE_TAG for mmap support.
JE_COMPILABLE([vm_make_tag],
[#include <sys/mman.h>

14
include/jemalloc/internal/jemalloc_internal_macros.h
View File

@ -53,6 +53,7 @@
# define JEMALLOC_DIAGNOSTIC_IGNORE_FRAME_ADDRESS
# define JEMALLOC_DIAGNOSTIC_IGNORE_TYPE_LIMITS
# define JEMALLOC_DIAGNOSTIC_IGNORE_ALLOC_SIZE_LARGER_THAN
# define JEMALLOC_DIAGNOSTIC_IGNORE_DEPRECATED
# define JEMALLOC_DIAGNOSTIC_DISABLE_SPURIOUS
/* #pragma GCC diagnostic first appeared in gcc 4.6. */
#elif (defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && \
@ -92,6 +93,12 @@
# else
# define JEMALLOC_DIAGNOSTIC_IGNORE_ALLOC_SIZE_LARGER_THAN
# endif
# ifdef JEMALLOC_HAVE_ATTR_DEPRECATED
# define JEMALLOC_DIAGNOSTIC_IGNORE_DEPRECATED \
JEMALLOC_DIAGNOSTIC_IGNORE("-Wdeprecated-declarations")
# else
# define JEMALLOC_DIAGNOSTIC_IGNORE_DEPRECATED
# endif
# define JEMALLOC_DIAGNOSTIC_DISABLE_SPURIOUS \
JEMALLOC_DIAGNOSTIC_PUSH \
JEMALLOC_DIAGNOSTIC_IGNORE_UNUSED_PARAMETER
@ -103,9 +110,16 @@
# define JEMALLOC_DIAGNOSTIC_IGNORE_FRAME_ADDRESS
# define JEMALLOC_DIAGNOSTIC_IGNORE_TYPE_LIMITS
# define JEMALLOC_DIAGNOSTIC_IGNORE_ALLOC_SIZE_LARGER_THAN
# define JEMALLOC_DIAGNOSTIC_IGNORE_DEPRECATED
# define JEMALLOC_DIAGNOSTIC_DISABLE_SPURIOUS
#endif
#define JEMALLOC_SUPPRESS_WARN_ON_USAGE(...) \
JEMALLOC_DIAGNOSTIC_PUSH \
JEMALLOC_DIAGNOSTIC_IGNORE_DEPRECATED \
__VA_ARGS__ \
JEMALLOC_DIAGNOSTIC_POP
/*
* Disables spurious diagnostics for all headers. Since these headers are not
* included by users directly, it does not affect their diagnostic settings.

3
include/jemalloc/jemalloc_defs.h.in
View File

@ -19,6 +19,9 @@
/* Defined if cold attribute is supported. */
#undef JEMALLOC_HAVE_ATTR_COLD
/* Defined if deprecated attribute is supported. */
#undef JEMALLOC_HAVE_ATTR_DEPRECATED
/*
* Define overrides for non-standard allocator-related functions if they are
* present on the system.

7
include/jemalloc/jemalloc_macros.h.in
View File

@ -86,6 +86,7 @@
# define JEMALLOC_ALLOCATOR
# endif
# define JEMALLOC_COLD
# define JEMALLOC_WARN_ON_USAGE(warning_message)
#elif defined(JEMALLOC_HAVE_ATTR)
# define JEMALLOC_ATTR(s) __attribute__((s))
# define JEMALLOC_ALIGNED(s) JEMALLOC_ATTR(aligned(s))
@ -126,6 +127,11 @@
# else
# define JEMALLOC_COLD
# endif
# ifdef JEMALLOC_HAVE_ATTR_DEPRECATED
# define JEMALLOC_WARN_ON_USAGE(warning_message) JEMALLOC_ATTR(deprecated(warning_message))
# else
# define JEMALLOC_WARN_ON_USAGE(warning_message)
# endif
#else
# define JEMALLOC_ATTR(s)
# define JEMALLOC_ALIGNED(s)
@ -140,6 +146,7 @@
# define JEMALLOC_RESTRICT_RETURN
# define JEMALLOC_ALLOCATOR
# define JEMALLOC_COLD
# define JEMALLOC_WARN_ON_USAGE(warning_message)
#endif
#if (defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || (defined(__linux__) && !defined(__GLIBC__))) && !defined(JEMALLOC_NO_RENAME)