Commit Graph

12 Commits

Author SHA1 Message Date
Ulrich Weigand
b53600e5ca [arm] Fix bug in _nocancel system call stubs. 2011-03-21 20:44:55 +00:00
Ulrich Weigand
738860089d Create ARM unwind records for system call stubs. 2011-03-21 20:44:01 +00:00
Daniel Jacobowitz
2dcd7ed8fd Fix unwinding through Thumb-2 system calls. 2010-04-08 12:43:55 -04:00
Thomas Schwinge
01b32e7361 Add CFI statements to ARM's assembly code. 2010-03-26 18:12:56 +00:00
Maxim Kuvyrkov
b6dec1881f ARM EABI backtrace using unwind information.
2009-06-24  Maxim Kuvyrkov  <maxim@codesourcery.com>
            Mark Mitchell  <mark@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>
            Kazu Hirata  <kazu@codesourcery.com>

	* sysdeps/arm/eabi/backtrace.c: New.
	* sysdeps/arm/eabi/Makefile (CFLAGS-backtrace.c): Add
	-funwind-tables.
	* sysdeps/arm/preconfigure: Add -fno-unwind-tables to CFLAGS.
	* sysdeps/unix/sysv/linux/arm/eabi/configure.in: Remove
	-fno-unwind-tables from CFLAGS.
	* sysdeps/unix/sysv/linux/arm/eabi/configure: Regenerate.
	* sysdeps/unix/sysv/linux/arm/eabi/nptl/unwind.h (_Unwind_Trace_Fn):
	Define.
	(_Unwind_Backtrace): Declare.
2009-06-24 15:55:04 +00:00
Joseph Myers
f281f9cfda 2009-02-13 Khem Raj <raj.khem@gmail.com>
* sysdeps/unix/sysv/linux/arm/nptl/unwind-forcedunwind.c
	(libgcc_s_handle): New variable.
	(pthread_cancel_init): Depend in libgcc_s_handle for decision to
	load DSO.  Assign last.
	(__unwind_freeres): New function.

	* sysdeps/unix/sysv/linux/arm/eabi/nptl/unwind-forcedunwind.c:
	Likewise.
2009-02-13 17:35:07 +00:00
Joseph Myers
5631abde36 2009-02-05 Paul Brook <paul@codesourcery.com>
Joseph Myers  <joseph@codesourcery.com>

	* sysdeps/arm/dl-machine.h (elf_machine_dynamic): Ditto.
	(elf_machine_load_address): Clear T bit of PLT entry contents.
	(RTLD_START): Mark function symbols as such.  Tweak pc-relative
	addressing to avoid depending on pc read pipeline offset.
	* sysdeps/arm/machine-gmon.h (MCOUNT): Add Thumb-2 implementation.
	* sysdeps/arm/tls-macros.h: Add alignment for Thumb-2.
	(ARM_PC_OFFSET): Define.
	(TLS_IE): Define differently for Thumb-2.
	(TLS_LE, TLS_LD, TLS_GD): Use ARM_PC_OFFSET.
	* sysdeps/arm/elf/start.S: Switch to thumb mode for Thumb-2.
	* sysdeps/unix/sysv/linux/arm/eabi/sysdep.h (INTERNAL_SYSCALL_RAW):
	Add Thumb implementation.
	* sysdeps/unix/sysv/linux/arm/eabi/nptl/aio_misc.h: New.
	* sysdeps/unix/sysv/linux/arm/eabi/nptl/unwind-resume.c: Enforce
	alignment for Thumb-2.  Adjust offset from PC for Thumb-2.
	* sysdeps/unix/sysv/linux/arm/eabi/nptl/unwind-forcedunwind.c: Ditto.
	* sysdeps/unix/sysv/linux/arm/nptl/bits/atomic.h (atomic_full_barrier,
	__arch_compare_and_exchange_val_32_acq): Add Thumb-2 implementation.
2009-02-05 14:46:41 +00:00
Daniel Jacobowitz
8323b1abc6 * sysdeps/arm/nptl/tls.h (THREAD_GSCOPE_RESET_FLAG): Use
lll_private_futex_wake.
	* sysdeps/unix/sysv/linux/arm/check_pf.c: Update from generic version.
	* sysdeps/unix/sysv/linux/arm/eabi/nptl/unwind-forcedunwind.c
	(pthread_cancel_init): Add noinline and barriers.
	* sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.c
	(__lll_timedlock_wait): Update call to lll_futex_timed_wait.
	(__lll_timedwait_tid): Likewise.
	* sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.h (LLL_PRIVATE,
	LLL_SHARED): Define.
	(lll_futex_wait): Use lll_futex_timed_wait.
	(lll_futex_timed_wait, lll_futex_wake, lll_futex_wake_unlock): Take a
	PRIVATE argument.
	(lll_private_futex_wait, lll_private_futex_timed_wait,
	lll_private_futex_wake): New.
	(lll_robust_mutex_dead,  __lll_mutex_lock, __lll_mutex_cond_lock,
	__lll_mutex_unlock, __lll_robust_mutex_unlock,
	__lll_mutex_unlock_force, lll_wait_tid): Update calls.
	* sysdeps/unix/sysv/linux/arm/nptl/pthread_once.c (clear_once_control,
	__pthread_once): Use private futexes.
	* sysdeps/unix/sysv/linux/arm/nptl/unwind-forcedunwind.c
	(pthread_cancel_init): Add noinline and barriers.

	* sysdeps/unix/sysv/aix/bits/fcntl.h,
	sysdeps/unix/sysv/linux/am33/bits/fcntl.h,
	sysdeps/unix/sysv/linux/arm/bits/fcntl.h,
	sysdeps/unix/sysv/linux/cris/bits/fcntl.h,
	sysdeps/unix/sysv/linux/m68k/bits/fcntl.h,
	sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Comment fix.

	* sysdeps/unix/sysv/linux/arm/nptl/bits/semaphore.h (SEM_VALUE_MAX):
	Delete.
	* sysdeps/unix/sysv/linux/mips/nptl/bits/semaphore.h (SEM_VALUE_MAX):
	Delete.
2007-07-10 13:35:30 +00:00
Daniel Jacobowitz
80d6637fd2 * sysdeps/unix/sysv/linux/arm/eabi/nptl/sysdep-cancel.h
(RTLD_SINGLE_THREAD_P): Define.
2006-10-31 17:39:02 +00:00
Daniel Jacobowitz
c1d7a56c38 * sysdeps/unix/sysv/linux/arm/eabi/nptl/sysdep-cancel.h
(DOCARGS_6): Change ".pad #20" to ".pad #16".
2006-10-31 17:21:40 +00:00
Daniel Jacobowitz
e5b5ba471f * sysdeps/unix/sysv/linux/arm/eabi/socket.S: Delete.
* sysdeps/unix/sysv/linux/arm/eabi/syscalls.list,
	sysdeps/unix/sysv/linux/arm/eabi/umount.c: New files.
	* sysdeps/unix/sysv/linux/arm/eabi/linuxthreads/sysdep-cancel.h
	(DOCARGS_6, UNDOCARGS_6, RESTORE_LR_6): Define.
	* sysdeps/unix/sysv/linux/arm/eabi/nptl/sysdep-cancel.h
	(DOCARGS_6, UNDOCARGS_6, RESTORE_LR_6): Define.
	* sysdeps/unix/sysv/linux/arm/eabi/sysdep.h: Undefine
	__NR_stime and __NR_alarm.
2006-03-21 20:54:56 +00:00
Daniel Jacobowitz
02a9f771e3 * sysdeps/arm/bits/setjmp.h, sysdeps/arm/fpu/bits/setjmp.h: Update
include guards.

	* sysdeps/unix/arm/sysdep.S (syscall_error): Handle USE___THREAD and
	RTLD_PRIVATE_ERRNO.

	* sysdeps/unix/sysv/linux/arm/clone.S (__clone): Handle RESET_PID.
	Handle new arguments.
	* sysdeps/unix/sysv/linux/arm/vfork.S (__vfork): Use SAVE_PID and
	RESTORE_PID.  Use the right syscall error handler.

	* sysdeps/unix/sysv/linux/arm/eabi/sigrestorer.S
	(__default_sa_restorer, __default_rt_sa_restorer): Add unwind
	information.

	* sysdeps/unix/sysv/linux/arm/eabi/socket.S: Update formatting.
	Add unwind information.  Correct stack alignment typo.

	* sysdeps/unix/sysv/linux/arm/eabi/sysdep.h
	(INTERNAL_SYSCALL_NCS): Define.

	* sysdeps/unix/sysv/linux/arm/sigaction.c
	(__libc_sigaction): Remove never-valid handling for SA_ONSTACK.

	* sysdeps/unix/sysv/linux/arm/socket.S: Whitespace cleanup.

	* sysdeps/unix/sysv/linux/arm/sysdep.h (SYSCALL_ERROR_HANDLER): Handle
	RTLD_PRIVATE_ERRNO.
	(INTERNAL_SYSCALL_NCS): Implement.

	* sysdeps/arm/nptl/Makefile, sysdeps/arm/nptl/jmpbuf-unwind.h,
	sysdeps/arm/nptl/pthread_spin_lock.S,
	sysdeps/arm/nptl/pthread_spin_trylock.S,
	sysdeps/arm/nptl/pthreaddef.h, sysdeps/arm/nptl/tcb-offsets.sym,
	sysdeps/arm/nptl/tls.h, sysdeps/unix/sysv/linux/arm/eabi/Makefile,
	sysdeps/unix/sysv/linux/arm/eabi/nptl/Makefile,
	sysdeps/unix/sysv/linux/arm/eabi/nptl/configure,
	sysdeps/unix/sysv/linux/arm/eabi/nptl/configure.in,
	sysdeps/unix/sysv/linux/arm/eabi/nptl/nptl-aeabi_unwind_cpp_pr1.c,
	sysdeps/unix/sysv/linux/arm/eabi/nptl/rt-aeabi_unwind_cpp_pr1.c,
	sysdeps/unix/sysv/linux/arm/eabi/nptl/sysdep-cancel.h,
	sysdeps/unix/sysv/linux/arm/eabi/nptl/unwind-forcedunwind.c,
	sysdeps/unix/sysv/linux/arm/eabi/nptl/unwind-resume.c,
	sysdeps/unix/sysv/linux/arm/eabi/nptl/unwind.h,
	sysdeps/unix/sysv/linux/arm/nptl/Versions,
	sysdeps/unix/sysv/linux/arm/nptl/bits/atomic.h,
	sysdeps/unix/sysv/linux/arm/nptl/bits/pthreadtypes.h,
	sysdeps/unix/sysv/linux/arm/nptl/clone.S,
	sysdeps/unix/sysv/linux/arm/nptl/createthread.c,
	sysdeps/unix/sysv/linux/arm/nptl/fork.c,
	sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.c,
	sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.h,
	sysdeps/unix/sysv/linux/arm/nptl/pt-vfork.S,
	sysdeps/unix/sysv/linux/arm/nptl/pthread_once.c,
	sysdeps/unix/sysv/linux/arm/nptl/vfork.S: New files.
2005-11-16 19:03:42 +00:00