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author | jake <jake@FreeBSD.org> | 2002-03-13 02:40:39 +0000 |
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committer | jake <jake@FreeBSD.org> | 2002-03-13 02:40:39 +0000 |
commit | f8145a14d23551ac784c0d7c751ee687979dfc00 (patch) | |
tree | 6877c84a23fe8a58f84fcb8d17aa3998059ecab7 /libexec/rtld-elf/sparc64/rtld_machdep.h | |
parent | 4ff830618672fdf2a2864c71864aea5adc8d03e8 (diff) | |
download | FreeBSD-src-f8145a14d23551ac784c0d7c751ee687979dfc00.zip FreeBSD-src-f8145a14d23551ac784c0d7c751ee687979dfc00.tar.gz |
rtld support for sparc64.
Largely obtained from: netbsd
Submitted by: jake, tmm
Diffstat (limited to 'libexec/rtld-elf/sparc64/rtld_machdep.h')
-rw-r--r-- | libexec/rtld-elf/sparc64/rtld_machdep.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/libexec/rtld-elf/sparc64/rtld_machdep.h b/libexec/rtld-elf/sparc64/rtld_machdep.h new file mode 100644 index 0000000..89c5abe --- /dev/null +++ b/libexec/rtld-elf/sparc64/rtld_machdep.h @@ -0,0 +1,60 @@ +/*- + * 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 <machine/atomic.h> + +#define atomic_incr_int(p) atomic_add_int((p), 1) +#define atomic_decr_int(p) atomic_subtract_int((p), 1) + +/* + * This value of CACHE_LINE_SIZE is conservative. The actual size + * is 32 on the 21064, 21064A, 21066, 21066A, and 21164. It is 64 + * on the 21264. Compaq recommends sequestering each lock in its own + * 128-byte block to allow for future implementations with larger + * cache lines. + */ +#define CACHE_LINE_SIZE 128 + +struct Struct_Obj_Entry; + +/* Return the address of the .dynamic section in the dynamic linker. */ +#define rtld_dynamic(obj) ((Elf_Dyn *)(((char *)&_DYNAMIC) + (vm_offset_t)(obj)->relocbase)) + +Elf_Addr reloc_jmpslot(Elf_Addr *, Elf_Addr, + const struct Struct_Obj_Entry *obj); + +#define make_function_pointer(def, defobj) \ + ((defobj)->relocbase + (def)->st_value) + +#define call_initfini_pointer(obj, target) \ + (((InitFunc)(target))()) + +#endif |