FreeBSD source tree https://cgit-dev.freebsd.org/src-test2/atom?h=stable%2F10 2016-09-03T11:09:47Z 2016-09-03T11:09:47Z Konstantin Belousov kib@FreeBSD.org 2016-09-03T11:09:47Z urn:sha1:4dce45583ee567b9980d5631f1b54b32a36b5430 Do not obliterate errno value in the main thread during ptrace(2) call on x86. MFC r304931: Follow ABI when calling __error from the ptrace(2) wrapper. MFC r305012: Rewrite ptrace(2) wrappers in C. MFC r305022: Restore the requirement of setting errno to zero before calling ptrace(2). 2014-12-14T16:28:53Z Andrew Turner andrew@FreeBSD.org 2014-12-14T16:28:53Z urn:sha1:2fd373a78b3eb587a63bcd6e87dba64b4ceb2683 MFC 275256: Switch to the ARM unified assembly language as the clang integrated as only supports it. Binutils supports it when the ".syntax unified" directive is set. Sponsored by: ABT Systems Ltd MFC 275264: Update _ENTRY to use _EENTRY to reduce the common code. MFC 275321: Remove extra labels, ENTRY_NP already provides them. Sponsored by: ABT Systems Ltd MFC 275322: Correctly a few incorrect uses of ENTRY/EENTRY and END/EEND Sponsored by: ABT Systems Ltd MFC 275416: Fix the name of the coprocessor to include the "p" prefix, the clang integrated assembler expects this. Sponsored by: ABT Systems Ltd MFC 275418: Switch to unified syntax so these can be built with clang 3.5. Sponsored by: ABT Systems Ltd MFC 275519: Add missing END macros to some of the xscale functions. Sponsored by: ABT Systems Ltd MFC 275520: Use the unified syntax in a few more assembly files Sponsored by: ABT Systems Ltd MFC 275521: Set the alignment to 4-bytes after a string as clang 3.5 can switch to thumb mode if this is incorrect. Sponsored by: ABT Systems Ltd MFC 275522: Place the literal pool after a RET otherwise clang 3.5 tries to put it too far away from a ldr psuedo instruction. With this clang will place the literal value here where it's close enough to be loaded. Sponsored by: ABT Systems Ltd MFC 275523: Switch to an armv6k cpu, without this clang 3.5 complains "bx lr" is unsupported as it needs a newer cpu. Sponsored by: ABT Systems Ltd MFC 275524: Switch to a .cpu directive. These will work when clang 3.5 is imported where the .arch directive is a nop. Sponsored by: ABT Systems Ltd 2014-10-29T16:24:02Z Andrew Turner andrew@FreeBSD.org 2014-10-29T16:24:02Z urn:sha1:388151eb6e117274187929b2b8a38d9d5e26cdbe From https://sourceware.org/ml/newlib/2014/msg00113.html By Richard Earnshaw at ARM > >GCC has for a number of years provides a set of pre-defined macros for >use with determining the ISA and features of the target during >pre-processing. However, the design was always somewhat cumbersome in >that each new architecture revision created a new define and then >removed the previous one. This meant that it was necessary to keep >updating the support code simply to recognise a new architecture being >added. > >The ACLE specification (ARM C Language Extentions) >(http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.set.swdev/index.html) >provides a much more suitable interface and GCC has supported this >since gcc-4.8. > >This patch makes use of the ACLE pre-defines to map to the internal >feature definitions. To support older versions of GCC a compatibility >header is provided that maps the traditional pre-defines onto the new >ACLE ones. Stop using __FreeBSD_ARCH_armv6__ and switch to __ARM_ARCH >= 6 in the couple of places in tree. clang already implements ACLE. Add a define that says we implement version 1.1, even though the implementation isn't quite complete. 2014-10-22T13:50:38Z Andrew Turner andrew@FreeBSD.org 2014-10-22T13:50:38Z urn:sha1:d1531dc74db2aaa8bc13ecd66f23e014871644d6 Add support for the __aeabi_c*cmp* functions. These are similar to the existing functions with the exception they use the condition flags to store the result. 2014-09-09T22:24:01Z Ian Lepore ian@FreeBSD.org 2014-09-09T22:24:01Z urn:sha1:f5ecef96e2492121afda39ec7a5e9e317c7840b7 In ARM asm code, ensure that every ENTRY(foo) has a matching END(foo). The EABI unwind info requires a .fnend for every .fnstart, and newer binutils will complain about seeing two .fnstart in a row. This change allows newer tools to compile our code. Do not generate unwind info in asm functions if _STANDALONE is defined. The .fnend op causes the assembler to emit RELOC references to unwind support functions that don't exist in libstand. Approved by: re(gjb) 2014-08-10T22:26:29Z Ian Lepore ian@FreeBSD.org 2014-08-10T22:26:29Z urn:sha1:d8f315a9cece29bab8de91b469aef9a48e3fcc81 Fix C++ exception handling for ARM EABI. Just the part of r264070 that creates the FBSD_1.4 namespace in libc is hand-applied, and then r264082 which creates the Versions.def entry is MFC'd. 2014-05-17T23:20:29Z Ian Lepore ian@FreeBSD.org 2014-05-17T23:20:29Z urn:sha1:b815c07e555d2c24fe8da21cf2f2932402f365ba 2014-05-17T22:19:16Z Ian Lepore ian@FreeBSD.org 2014-05-17T22:19:16Z urn:sha1:b1d0de6ad6d334945cf39a2f9142404eb0bb6478 Add the deprecated fp{get,set}* functions, a few ports use them. Rename the fp{get,set}* files so they no longer conflict with the softfloat version of these files. 2014-05-17T18:53:36Z Ian Lepore ian@FreeBSD.org 2014-05-17T18:53:36Z urn:sha1:5af3c78df03facc13eb9a22f1b2814d846eb64d9 Implement __flt_rounds for ARMv6 hard-float. The fpscr register stores the current rounding mode used by the VFP unit. Simplify how we build MACHINE_ARCH. There are 3 options that may be set however only arm, armeb, armv6, and soon armv6hf will be used. Add the llvm/clang patch for r263619. Reorder the pmap macros so "ARM_MMU_V6 + ARM_MMU_V7" is first. As they are identical this allows us to build for both v6 and v7 together. Add code for enabling second CPU core for A20 SoC. Enable SMP on Cubieboard2. Switch to freebsd.org emal address in copyright. 2014-05-17T14:22:37Z Ian Lepore ian@FreeBSD.org 2014-05-17T14:22:37Z urn:sha1:10495677314bb4accd28a0611f0da004e2ed5015 Export _libc_arm_fpu_present as a private symbol to be used by other system libraries, for example libm. On armv6 access both the softfloat and, when available, the vfp to get and set the floating-point environment. Build fenv-vfp.c with the softfp float abi. Without this gcc generates an incorrect assembly file that doesn't allow for vfp instructions. Only build the vfp/softfp switching code on armv6 as we don't support vfp on anything earlier than this. This should fix the armeb and arm builds when using gcc. Add an optimised version of the float and double helper functions.