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though I still need to silence the warnings about _pthread_cleanup_push_defer
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things, and avoid potential deadlocks caused when a thread holding a uClibc
internal lock get canceled and terminates without releasing the lock. This
change also provides a single place, bits/uClibc_mutex.h, for thread libraries
to modify to change all instances of internal locking.
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things, and avoid potential deadlocks caused when a thread holding a uClibc
internal lock get canceled and terminates without releasing the lock. This
change also provides a single place, bits/uClibc_mutex.h, for thread libraries
to modify to change all instances of internal locking.
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minor include file issues
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failures from Mike's nightly builds.
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it lives in bits/uClibc_local_lim.h
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code it is not defined.
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file content skew between the versions
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stuff, even the fallback defines.
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furthermore ifdef'ed out anyway.
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Also make compilation conditional on float support.
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instruction in unoptimized builds and thumb: thanks Paul Brook
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of attempting to link or compile them. Perhaps I don't fully understand the test structure, but for TLS and NPTL the tests cannot be compiled on the target without a full source tree.
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automatic local variables between setjmp/longjmp
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L1 functions
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This reintroduces a mechanism identical to the DL_BOOT macro present in
older versions of uClibc. On Blackfin and FRV, we want to pass more
than one argument to _dl_start. We also want to do something special
before returning, so delete the warning when the START macro is defined.
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people out there will not need more than 1k threads (and people who do can change this themselves)
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different setjmp/longjmps
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The patch below fixes a bug in the new ARM _ld_linux_resolve implementation.
I'm don't know if/how the current implementation was tested, but it's
completely broken.
This patch makes the prologue and epilogue agree on how big the stack frame
is, and also makes sure EABI doubleword stack alignment is preserved.
Tested on arm-linux-gnueabi.
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called to resolve DLL PLT entries. The assembler is changed to be thumb
compatible and slightly faster, the C function, _dl_linux_resolver (note
the extra r) is changed to take a byte address in place of an 8 byte
count (faster in caller and callee, and slightly easier to understand).
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Put the call_via_rx code into each executable - call_via_ip cannot
possibly work if called through the PLT! ldso requires this code
too as it is not linked with the crt stuff and thumb ldso does
make calls via a register.
The patch puts the code into crti.S so that it is linked into
every normally built application (if thumb or interworking is
selected). This is only 30 extra bytes and it works - the previous
code did not because nothing both implemented and exported the
APIs (they were in libgcc, but not in the version script).
crti.S and crtn.S is also brought up to date with GCC 3.4.4 - this
is essential for thumb support because the .init and .fini sections
must use arm or thumb code to match the compilation of the libraries.
Note that code which pushes stuff into .init or .fini must be
compiled with or without -mthumb to match the uclibc compilation -
and gcc itself (which does do this) must therefore be compiled to
match.
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2001-04-10 Ulrich Drepper <drepper@redhat.com>
* join.c (pthread_exit): Move code to new function __pthread_do_exit
which takes an extra parameter with the current frame pointer.
Call new function with CURRENT_STACK_FRAME.
(__pthread_do_exit): New function. Call __pthread_perform_cleanup
with the new parameter.
(pthread_join): Call __pthread_do_exit instead of pthread_exit.
* cancel.c (__pthread_perform_cleanup): Takes extra parameter. Use
this parameter as the initial value the cleanup handler records are
compared against. No active cleanup handler record must have an
address lower than the previous one and the initial record must be
above (below on PA) the frame address passed in.
(pthread_setcancelstate): Call __pthread_do_exit instead of
pthread_exit.
(pthread_setcanceltype): Likewise.
(pthread_testcancel): Likewise.
(_pthread_cleanup_pop_restore): Likewise.
* condvar.c (pthread_cond_wait): Likewise.
(pthread_cond_timedwait_relative): Likewise.
* manager.c (pthread_start_thread): Likewise.
* oldsemaphore.c (__old_sem_wait): Likewise.
* pthread.c (pthread_handle_sigcancel): Likewise.
* semaphore.c (__new_sem_wait): Likewise.
(sem_timedwait): Likewise.
* ptlongjmp.c (pthread_cleanup_upto): Also use current stack frame
to limit the cleanup handlers which get run.
* internals.h: Add prototype for __pthread_do_exit. Adjust prototype
for __pthread_perform_cleanup.
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2001-04-11 Ulrich Drepper <drepper@redhat.com>
* cancel.c (_pthread_cleanup_push): Catch invalid __prev buffer
and remove it.
(_pthread_cleanup_push_defer): Likewise.
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daylight savings time rules when xlocale was enabled. Fix compile error.
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We should not use old stype ipc_perm for 64-bit mips kernel.
I suppose other 64-bit platforms shoule define __IPC_64 also and we
can define it unconditionally, but not sure for other archs ...
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We should use "PTR_LA" instead of "la" for N64 ABI.
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