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8 Commits

Author SHA1 Message Date
cem
236ff62678 Fix llvm-libunwind userspace build on ARM 
GCC's libgcc exports a few ARM-specific symbols for ARM EABI, AEABI, or
EHABI or whatever it's called.  Export the same ones from LLVM-libunwind's
libgcc_s, on ARM.  As part of this, convert libgcc_s from a direct
Version.map to one constructed from component Symbol.map files.  This allows
the ARM-specific Symbol.map to be included only on ARM.

Fix ARM-only oddities in struct name/aliases in LLVM-libunwind to match
non-ARM definitions and ARM-specific expectations in libcxxrt /
libcompiler_rt.

No functional change intended for non-ARM architectures.

This commit does not actually flip the switch for ARM defaults from libgcc
to llvm-libunwind, but makes it possible (to compile, anyway).
 2019-11-05 03:20:40 +00:00
dim
90736de0df Catch up our non-upstreamed riscv parts in libunwind: 
* DEFINE_LIBUNWIND_PRIVATE_FUNCTION changed into
  DEFINE_LIBUNWIND_FUNCTION
* unw_getcontext changed into __unw_getcontext
 2019-09-05 18:47:58 +00:00
dim
4e1fbcdd39 Update libunwind custom frame register and deregister functions for 
FreeBSD: use the new doubly underscored names for unw_add_dynamic_fde
and unw_remove_dynamic_fde.

NOTE: this should be upstreamed...
 2019-08-29 18:53:00 +00:00
dim
07fa3e3563 Merge libunwind trunk r366426, resolve conflicts, and add FREEBSD-Xlist. 2019-08-22 20:14:59 +00:00
dim
1adc795ef5 Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp 
8.0.1 final release r366581.  The only functional change is a fix for a
mismerge of upstream r360816, which properly restores the r2 register
when unwinding on PowerPC64 (See https://reviews.freebsd.org/D20337).

Relnotes:	yes
PR:		236062
MFC after:	3 days
X-MFC-With:	r349004
 2019-07-20 15:26:21 +00:00
dim
da9211c814 Upgrade our copies of clang, llvm, lld, lldb, compiler-rt, libc++, 
libunwind and openmp to the upstream release_80 branch r364487
(effectively, 8.0.1 rc3).  The 8.0.1 release will most likely
have no further changes.

MFC after:	1 week
X-MFC-With:	r349004
 2019-07-06 18:02:29 +00:00
dim
48cf3d0825 Upgrade our copies of clang, llvm, lld, lldb, compiler-rt, libc++, 
libunwind and openmp to the upstream release_80 branch r363030
(effectively, 8.0.1 rc2).  The 8.0.1 release should follow this within a
week or so.

MFC after:	2 weeks
 2019-06-12 21:10:37 +00:00
jhb
4153d090d9 Move libunwind out of contrib/llvm/projects. 
Move LLVM's libunwind to its own contrib/ directory similar to other
runtime libraries like libc++ and libcxxrt.

Reviewed by:	dim, emaste
Differential Revision:	https://reviews.freebsd.org/D19534
 2019-03-12 16:41:17 +00:00