glibc/sysdeps/aarch64/jmpbuf-unwind.h
Steve Ellcey 389d1f1b23 Partial ILP32 support for aarch64.
* sysdeps/aarch64/crti.S: Add include of sysdep.h.
	(call_weak_fn): Use PTR_REG to get correct reg name in ILP32.
	* sysdeps/aarch64/dl-irel.h: Add include of sysdep.h.
	(elf_irela): Use AARCH64_R macro to get correct relocation in ILP32.
	* sysdeps/aarch64/dl-machine.h: Add include of sysdep.h.
	(elf_machine_load_address, RTLD_START, RTLD_START_1, RTLD_START,
	elf_machine_type_class, ELF_MACHINE_JMP_SLOT, elf_machine_rela,
	elf_machine_lazy_rel): Add ifdef's for ILP32 support.
	* sysdeps/aarch64/dl-tlsdesc.S (_dl_tlsdesc_return,
	_dl_tlsdesc_return_lazy, _dl_tlsdesc_dynamic,
	_dl_tlsdesc_resolve_hold): Extend pointers in ILP32, use PTR_REG
	to get correct reg name for ILP32.
	* sysdeps/aarch64/dl-trampoline.S (ip01): New Macro.
	(RELA_SIZE): New Macro.
	(_dl_runtime_resolve, _dl_runtime_profile): Use new macros and PTR_REG
	to support ILP32.
	* sysdeps/aarch64/jmpbuf-unwind.h (_JMPBUF_CFA_UNWINDS_ADJ): Add
	cast for ILP32 mode.
	* sysdeps/aarch64/memcmp.S (memcmp): Extend arg pointers for ILP32 mode.
	* sysdeps/aarch64/memcpy.S (memmove, memcpy): Ditto.
	* sysdeps/aarch64/memset.S (__memset): Ditto.
	* sysdeps/aarch64/strchr.S (strchr): Ditto.
	* sysdeps/aarch64/strchrnul.S (__strchrnul): Ditto.
	* sysdeps/aarch64/strcmp.S (strcmp): Ditto.
	* sysdeps/aarch64/strcpy.S (strcpy): Ditto.
	* sysdeps/aarch64/strlen.S (__strlen): Ditto.
	* sysdeps/aarch64/strncmp.S (strncmp): Ditto.
	* sysdeps/aarch64/strnlen.S (strnlen): Ditto.
	* sysdeps/aarch64/strrchr.S (strrchr): Ditto.
	* sysdeps/unix/sysv/linux/aarch64/clone.S: Ditto.
	* sysdeps/unix/sysv/linux/aarch64/setcontext.S (__setcontext): Ditto.
	* sysdeps/unix/sysv/linux/aarch64/swapcontext.S (__swapcontext): Ditto.
	* sysdeps/aarch64/__longjmp.S (__longjmp): Extend pointers in ILP32,
	change PTR_MANGLE call to use register numbers instead of names.
	* sysdeps/unix/sysv/linux/aarch64/getcontext.S (__getcontext): Ditto.
	* sysdeps/aarch64/setjmp.S (__sigsetjmp): Extend arg pointers for
	ILP32 mode, change PTR_MANGLE calls to use register numbers.
	* sysdeps/aarch64/start.S (_start): Ditto.
	* sysdeps/aarch64/nptl/bits/pthreadtypes.h
	(__PTHREAD_RWLOCK_INT_FLAGS_SHARED): New define.
	(__SIZEOF_PTHREAD_ATTR_T, __SIZEOF_PTHREAD_MUTEX_T,
	__SIZEOF_PTHREAD_MUTEXATTR_T, __SIZEOF_PTHREAD_COND_T,
	__SIZEOF_PTHREAD_COND_COMPAT_T, __SIZEOF_PTHREAD_CONDATTR_T,
	__SIZEOF_PTHREAD_RWLOCK_T, __SIZEOF_PTHREAD_RWLOCKATTR_T,
	__SIZEOF_PTHREAD_BARRIER_T, __SIZEOF_PTHREAD_BARRIERATTR_T):
	Make defined values dependent on __ILP32__.
	* sysdeps/aarch64/nptl/bits/semaphore.h (__SIZEOF_SEM_T): Change define.
	(sem_t): Change __align type.
	* sysdeps/aarch64/sysdep.h (AARCH64_R, PTR_REG, PTR_LOG_SIZE, DELOUSE,
	PTR_SIZE): New Macros.
	(LDST_PCREL, LDST_GLOBAL) Update to use PTR_REG.
	* sysdeps/unix/sysv/linux/aarch64/bits/fcntl.h (O_LARGEFILE):
	Set when in ILP32 mode.
	(F_GETLK64, F_SETLK64, F_SETLKW64): Only set in LP64 mode.
	* sysdeps/unix/sysv/linux/aarch64/dl-cache.h (DL_CACHE_DEFAULT_ID):
	Set elf flags for ILP32.
	(add_system_dir): Set ILP32 library directories.
	* sysdeps/unix/sysv/linux/aarch64/init-first.c
	(_libc_vdso_platform_setup): Set minimum kernel version for ILP32.
	* sysdeps/unix/sysv/linux/aarch64/ldconfig.h
	(SYSDEP_KNOWN_INTERPRETER_NAMES): Add ILP32 names.
	* sysdeps/unix/sysv/linux/aarch64/sigcontextinfo.h (GET_PC, SET_PC):
	New Macros.
	* sysdeps/unix/sysv/linux/aarch64/sysdep.h: Handle ILP32 pointers.
2016-11-28 09:01:23 -08:00

38 lines
1.4 KiB
C

/* Copyright (C) 2005-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <setjmp.h>
#include <jmpbuf-offsets.h>
#include <stdint.h>
#include <unwind.h>
/* Test if longjmp to JMPBUF would unwind the frame
containing a local variable at ADDRESS. */
#define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
((void *) (address) < (void *) demangle (jmpbuf[JB_SP]))
#define _JMPBUF_CFA_UNWINDS_ADJ(jmpbuf, context, adj) \
_JMPBUF_UNWINDS_ADJ (jmpbuf, (void *) (uintptr_t) _Unwind_GetCFA (context), \
adj)
#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
((uintptr_t) (_address) - (_adj) < _jmpbuf_sp (_jmpbuf) - (_adj))
/* We use the normal longjmp for unwinding. */
#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)