freebsd-dev/libexec/rtld-elf/sparc64/rtld_machdep.h
Konstantin Belousov cb38d4941c When loading dso without PT_GNU_STACK phdr, only call
__pthread_map_stacks_exec() on architectures that allow executable
stacks.

Reported and tested by:	marcel (ia64)
2011-01-25 21:12:31 +00:00

72 lines
2.5 KiB
C

/*-
* Copyright (c) 1999, 2000 John D. Polstra.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef RTLD_MACHDEP_H
#define RTLD_MACHDEP_H 1
#include <sys/types.h>
#include <machine/atomic.h>
struct Struct_Obj_Entry;
/* Return the address of the .dynamic section in the dynamic linker. */
Elf_Dyn *rtld_dynamic_addr(void);
#define rtld_dynamic(obj) rtld_dynamic_addr()
#define RTLD_IS_DYNAMIC() (rtld_dynamic_addr() != NULL)
Elf_Addr reloc_jmpslot(Elf_Addr *, Elf_Addr,
const struct Struct_Obj_Entry *,
const struct Struct_Obj_Entry *,
const Elf_Rel *);
#define make_function_pointer(def, defobj) \
((defobj)->relocbase + (def)->st_value)
#define call_initfini_pointer(obj, target) \
(((InitFunc)(target))())
#define round(size, align) \
(((size) + (align) - 1) & ~((align) - 1))
#define calculate_first_tls_offset(size, align) \
round(size, align)
#define calculate_tls_offset(prev_offset, prev_size, size, align) \
round((prev_offset) + (size), align)
#define calculate_tls_end(off, size) ((off) + (size))
typedef struct {
unsigned long ti_module;
unsigned long ti_offset;
} tls_index;
extern void *__tls_get_addr(tls_index *ti);
#define RTLD_DEFAULT_STACK_PF_EXEC 0
#define RTLD_DEFAULT_STACK_EXEC 0
#endif