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2011-09-20Fix build problems on MacOS 10.7 (Lion)Björn Gustavsson
On MacOS 10.7 (Lion) with Xcode 4.1 installed, the default C compiler is llvm-gcc-4.2. That compiler compiles beam_emu.c incorrectly, resulting in an emulator that will not start. The problem can be worked around by turning off all optimizations, but that will significantly degrade the performance of the run-time system. The problem can also be worked around manually like this: CC=gcc-4.2 ./configure To allow a working system to be built "out of the box", have the configure script set up the emulator Makefile so that gcc-4.2 will be used to compile beam_emu.c if the default compiler is llvm-based. All other C files will still be compiled with the default compiler.
2011-07-18New allocator: Address order first fit (aoff)Sverker Eriksson
2011-05-20Update copyright yearsBjörn-Egil Dahlberg
2011-02-14New files for the 64-bit backendsKostis Sagonas
2011-01-17Pass the external word size to the beam_makeops scriptBjörn Gustavsson
Giving the beam_makeops script access to the external word size (=the size of instruction words) will allow it to pack more operands into a word for the 64 bits emulator.
2011-01-17Makefile.in: Add dependency for files generated by util/beam_makeopsBjörn Gustavsson
2010-11-29Add bifs to translate between erlang filenames and native encodingPatrik Nyblom
2010-11-18Merge branch 'rickard/cpu-groups/OTP-8861' into devRickard Green
* rickard/cpu-groups/OTP-8861: Generalize reader groups Move cpu topology functionality into erl_cpu_topology.[ch] Do not use more reader groups for schedulers than schedulers Conflicts: erts/emulator/beam/erl_init.c
2010-11-18Move cpu topology functionality into erl_cpu_topology.[ch]Rickard Green
2010-10-01emulator Makefile: Add missing dependencyBjörn Gustavsson
Make sure that an update to erts/emulator/tools/make_tables will force all generated files to be re-generated.
2010-09-02Add erlang:system_info(build_type)Rickard Green
Added erlang:system_info(build_type) which makes it easier to chose drivers, NIF libraries, etc based on build type of the runtime system.
2010-08-17erts: Remove broken elib_mallocBjörn Gustavsson
elib_malloc is an alternate memory allocator that is no longer possible to build.
2010-08-12Merge branch 'bjorn/remove-obsolete-driver-support/OTP-8758' into devBjörn Gustavsson
* bjorn/remove-obsolete-driver-support/OTP-8758: Remove obsolete/driver.h and the associated functionality
2010-08-11Remove obsolete/driver.h and the associated functionalityBjörn Gustavsson
The obsolete/driver.h header file has been obsolete since R8B. Remove that file, along with obsolete thread APIs for drivers in the emulator and the test cases.
2010-08-10Rewrite ethread libraryRickard Green
Large parts of the ethread library have been rewritten. The ethread library is an Erlang runtime system internal, portable thread library used by the runtime system itself. Most notable improvement is a reader optimized rwlock implementation which dramatically improve the performance of read-lock/read-unlock operations on multi processor systems by avoiding ping-ponging of the rwlock cache lines. The reader optimized rwlock implementation is used by miscellaneous rwlocks in the runtime system that are known to be read-locked frequently, and can be enabled on ETS tables by passing the `{read_concurrency, true}' option upon table creation. See the documentation of `ets:new/2' for more information. The ethread library can now also use the libatomic_ops library for atomic memory accesses. This makes it possible for the Erlang runtime system to utilize optimized atomic operations on more platforms than before. Use the `--with-libatomic_ops=PATH' configure command line argument when specifying where the libatomic_ops installation is located. The libatomic_ops library can be downloaded from: http://www.hpl.hp.com/research/linux/atomic_ops/ The changed API of the ethread library has also caused modifications in the Erlang runtime system. Preparations for the to come "delayed deallocation" feature has also been done since it depends on the ethread library. Note: When building for x86, the ethread library will now use instructions that first appeared on the pentium 4 processor. If you want the runtime system to be compatible with older processors (back to 486) you need to pass the `--enable-ethread-pre-pentium4-compatibility' configure command line argument when configuring the system.
2010-06-01Remove stray SAE supportBjörn Gustavsson
The experimental Standalone Erlang (SAE) support based on Joe Armstrong's work has long been broken. Remove the remaining code and Makefile rules.
2010-05-17Move binary module bif's to erl_bif_binary.cPatrik Nyblom
2010-04-30Makefiles: Remove stray OSE/Delta supportBjörn Gustavsson
2010-02-11OTP-8335 Even more NIF featuresSverker Eriksson
2010-02-08Merge branch 'gc/hipe_darwin_amd64' into ccase/r13b04_devErlang/OTP
* gc/hipe_darwin_amd64: Fix hipe memory allocation problems on darwin/amd64 Porting x86 darwin fixes to amd64 darwin hipe asm/m4 code Automatically enable hipe for darwin/amd64 builds Allow configure to enable_hipe for darwin/amd64 builds OTP-8416 HiPE now works in the 64-bit emulator on Mac OS X. (Thanks to Geoff Cant.)
2010-02-08OTP-8412 Fixed numerous compiler warnings generated by gcc 4.4.1 andRickard Green
tile-cc 2.0.1.78377 when compiling the runtime system.
2010-02-06Fix hipe memory allocation problems on darwin/amd64Geoff Cant
HiPE on amd64 needs to be able to allocate memory in the 0x20000000+ range so that compiled code will be addressable with 32bit pointers (when sign extended). By default, when building 64bit executables on OS X, PAGEZERO occupies the first 4GB of virtual memory. The PAGEZERO segment cannot be mmap(ed) or vm_allocate(d) into. To avoid this problem we use the -pagezero_size linker flag to reduce the size of PAGEZERO and free up the 0x20000000+ space.
2010-01-19OTP-8373 ERTS makefiles used to detect the use of a gcc C compiler byRickard Green
checking if CC equaled gcc. That is, the makefiles failed to detect gcc C compilers with other command line names than gcc. `configure' now substitute GCC into the makefiles. If CC is a gcc C compiler, GCC will have the value yes. (Thanks to Jean-S�bastien P�dron)
2009-12-14Fix 'make clean' in erts with debug builds under DarwinSimon Cornish
The Apple compiler creates DWARF debugging symbols in a bundle (ie. a directory) named <name>.dSYM In order for make clean to work correctly, the rm command needs -r
2009-11-20The R13B03 release.OTP_R13B03Erlang/OTP