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Simplify linker set handling

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This commit is contained in:
Sebastian Huber
2013-12-04 15:38:28 +01:00
parent d73edee71e
commit 5084ad89e4
4 changed files with 37 additions and 9 deletions
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4
freebsd/sys/kern/init_main.c
View File

@@ -122,9 +122,7 @@ SYSINIT(placeholder, SI_SUB_DUMMY, SI_ORDER_ANY, NULL, NULL);
* The sysinit table itself. Items are checked off as the are run.
* If we want to register new sysinit types, add them to newsysinit.
*/
#endif /* __rtems__ */
SET_DECLARE(sysinit_set, struct sysinit);
#ifndef __rtems__
struct sysinit **sysinit, **sysinit_end;
struct sysinit **newsysinit, **newsysinit_end;
@@ -162,6 +160,8 @@ sysinit_add(struct sysinit **set, struct sysinit **set_end)
newsysinit = newset;
newsysinit_end = newset + count;
}
#else /* __rtems__ */
RWSET_DECLARE(sysinit_set, struct sysinit);
#endif /* __rtems__ */
#if defined (DDB) && defined(VERBOSE_SYSINIT)

2
freebsd/sys/sys/kernel.h
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@@ -255,7 +255,7 @@ struct sysinit {
func, \
(ident) \
}; \
DATA_SET(sysinit_set,SYSINIT_ENTRY_NAME(uniquifier))
RWDATA_SET(sysinit_set,SYSINIT_ENTRY_NAME(uniquifier))
#define SYSINIT_REFERENCE(uniquifier) \
extern struct sysinit SYSINIT_ENTRY_NAME(uniquifier); \
static struct sysinit const * const \

31
freebsd/sys/sys/linker_set.h
View File

@@ -51,9 +51,25 @@
static void const * const __set_##set##_sym_##sym \
__section("set_" #set) __used = &sym
#else /* __rtems__ */
#define RTEMS_BSD_DEFINE_SET(set, ptype) \
ptype * const __CONCAT(_bsd__start_set_,set)[0] \
__section(".rtemsroset.bsd." __STRING(set) ".begin") __used; \
ptype * const __CONCAT(_bsd__stop_set_,set)[0] \
__section(".rtemsroset.bsd." __STRING(set) ".end") __used
#define __MAKE_SET(set, sym) \
static void const * const __set_##set##_sym_##sym \
__section("_bsd_set_" #set) __used = &sym
static const void * const __set_##set##_sym_##sym \
__section(".rtemsroset.bsd." __STRING(set) ".content") __used = &sym
#define RTEMS_BSD_DEFINE_RWSET(set, ptype) \
ptype *__CONCAT(_bsd__start_set_,set)[0] \
__section(".rtemsrwset.bsd." __STRING(set) ".begin") __used; \
ptype *__CONCAT(_bsd__stop_set_,set)[0] \
__section(".rtemsrwset.bsd." __STRING(set) ".end") __used
#define __MAKE_RWSET(set, sym) \
static const void * __set_##set##_sym_##sym \
__section(".rtemsrwset.bsd." __STRING(set) ".content") __used = &sym
#endif /* __rtems__ */
#else /* !__GNUCLIKE___SECTION */
#ifndef lint
@@ -70,6 +86,9 @@
#define BSS_SET(set, sym) __MAKE_SET(set, sym)
#define ABS_SET(set, sym) __MAKE_SET(set, sym)
#define SET_ENTRY(set, sym) __MAKE_SET(set, sym)
#ifdef __rtems__
#define RWDATA_SET(set, sym) __MAKE_RWSET(set, sym)
#endif /* __rtems__ */
/*
* Initialize before referring to a given linker set.
@@ -85,8 +104,12 @@
(&__CONCAT(__stop_set_,set))
#else /* __rtems__ */
#define SET_DECLARE(set, ptype) \
extern ptype *__CONCAT(_bsd__start_set_,set) []; \
extern ptype *__CONCAT(_bsd__stop_set_,set) []
extern ptype * const __CONCAT(_bsd__start_set_,set)[]; \
extern ptype * const __CONCAT(_bsd__stop_set_,set)[]
#define RWSET_DECLARE(set, ptype) \
extern ptype *__CONCAT(_bsd__start_set_,set)[]; \
extern ptype *__CONCAT(_bsd__stop_set_,set)[]
#define SET_BEGIN(set) \
(__CONCAT(_bsd__start_set_,set))

9
rtemsbsd/rtems/rtems-bsd-init.c
View File

@@ -7,10 +7,10 @@
*/
/*
* Copyright (c) 2009, 2010 embedded brains GmbH. All rights reserved.
* Copyright (c) 2009-2013 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
@@ -57,6 +57,11 @@ SYSINIT_REFERENCE(linker_kernel);
SYSINIT_MODULE_REFERENCE(rootbus);
SYSINIT_DRIVER_REFERENCE(nexus, root);
RTEMS_BSD_DEFINE_SET(modmetadata_set, struct mod_metadata);
RTEMS_BSD_DEFINE_SET(sysctl_set, struct sysctl_oid);
RTEMS_BSD_DEFINE_RWSET(sysinit_set, struct sysinit);
/* In FreeBSD this is a local function */
void mi_startup(void);