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In particular, mention that libgo should not be stripped.
From-SVN: r221427
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From-SVN: r221398
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PR go/65404
go/build: cgo works on linux/pcc.
From-SVN: r221396
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PR go/65353.
cmd/cgo: Add all gccgo GOARCH values to size maps.
From-SVN: r221293
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PR go/65349
runtime: Don't crash if explicitly freeing small map.
From-SVN: r221292
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PR go/65349
runtime: Don't call malloc from __go_file_line callback.
When crashing, we call runtime_printcreatedby which calls
__go_file_line which used to call the Go malloc. If we are
crashing due to a signal due to heap corruption of some sort,
the GO malloc lock might already be held, leading to a crash
within a crash. Avoid that by assuming that the libbacktrace
strings will stick around, as we already do in go-callers.c.
From-SVN: r221291
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From-SVN: r221245
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From Rainer Orth.
The recent godump changes broke Solaris 11.1+ bootstrap in
libgo: before, gen-sysinfo.so had
type _zone_net_addr_t struct { zna_family uint16; zna_plen uint16; zna_addru struct { znau_addr6 _in6_addr; }; }
which was filtered out by mksysinfo.sh due to the use of
_in6_addr.
After the change, there's now
type _zone_net_addr_t struct { zna_family uint16; zna_plen uint16; zna_addru struct { znau_addr6 [16]byte; Godump_0_align [0]uint32; }; }
instead, not filtered, but added a second time by the
_zone_net_addr_t code in mksysinfo.sh, which leads to
redefinition warnings/errors.
Simply removing the old _zone_net_addr_t fragment fixes this
and restores bootstrap.
From-SVN: r220481
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Add memprofilerate as a value recognized
in the GODEBUG env var. The value provided
is used as the new setting for
runtime.MemProfileRate, allowing the user
to adjust memory profiling.
From-SVN: r220470
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The go/types package was removed in July 2013, but the
testdata files were accidentally left behind.
From-SVN: r220378
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PR go/64573
syscall: Restore line somehow lost in libgo merge.
From-SVN: r220068
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finalizer for type func(*int) didn't run)
PR go/64725
runtime: Disable tests that require that a finalizer run.
From-SVN: r220067
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PR go/64595
runtime: Don't crash in runtime_callers if no debug info available.
From-SVN: r220057
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From-SVN: r219976
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PR go/64683
runtime/pprof: Let memory profiler test pass if value not collected.
Since gccgo's GC is not precise, the transient value may not
be collected. Let the regexp match that case as well.
From-SVN: r219900
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All supported libgo 386 targets now have complex support in
libffi.
From Uros Bizjak.
From-SVN: r219877
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From-SVN: r219862
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From-SVN: r219831
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The glibc setcontext incorrectly modifies %g7 on SPARC.
From Richard Henderson.
From-SVN: r219778
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No longer needed now that libffi supports complex types.
From-SVN: r219777
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Change from using __go_set_closure to passing the closure
value in the static chain field. Uses new backend support for
setting the closure chain in a call from C via
__builtin_call_with_static_chain. Uses new support in libffi
for Go closures.
The old architecture specific support for reflect.MakeFunc is
removed, replaced by the libffi support.
All work done by Richard Henderson.
* go-gcc.cc (Gcc_backend::call_expression): Add chain_expr argument.
(Gcc_backend::static_chain_variable): New method.
From-SVN: r219776
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The version from the master repository seems to be appropriate
for OpenSolaris but not for Solaris itself. Solaris 11.2
proper does not define TCP_KEEPIDLE or TCP_KEEPINTVL.
From-SVN: r219749
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A recent libffi upgrade caused the reflect test to fail on
386. The problem case is a function that returns an empty
struct--a struct with no fields. The libffi library does not
recognize the existence of empty structs, presumably since
they can't happen in C. To work around this, the Go interface
to the libffi library changes an empty struct to void. This
normally works fine, but with the new libffi upgrade it fails
for a function that returns an empty struct. On 386 a
function that returns a struct is expected to pop the hidden
pointer when it returns. So when we convert an empty struct
to void, libffi is calling a function that pops the hidden
pointer but does not expect that to happen.
In the older version of libffi, this didn't matter, because
the libffi code for 386 used a frame pointer, so the fact that
the stack pointer was wonky when the function returned was
ignored as the stack pointer was immediately replaced by the
saved frame pointer. In the newer version of libffi, the 386
code is more efficient and does not use a frame pointer, and
therefore it matters whether libffi expects the function to
pop the hidden pointer or not.
This patch changes libgo to convert an empty to a struct with
a single field of type void. This seems to be enough to get
the test cases working again.
Of course the real fix would be to change libffi to handle
empty types, but as libffi uses size == 0 as a marker for an
uninitialized type, that would be a non-trivial change.
From-SVN: r219701
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From Uros Bizjak.
From-SVN: r219691
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From-SVN: r219685
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From-SVN: r219629
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From-SVN: r219628
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This upgrades all of libgo other than the runtime package to
the Go 1.4 release. In Go 1.4 much of the runtime was
rewritten into Go. Merging that code will take more time and
will not change the API, so I'm putting it off for now.
There are a few runtime changes anyhow, to accomodate other
packages that rely on minor modifications to the runtime
support.
The compiler changes slightly to add a one-bit flag to each
type descriptor kind that is stored directly in an interface,
which for gccgo is currently only pointer types. Another
one-bit flag (gcprog) is reserved because it is used by the gc
compiler, but gccgo does not currently use it.
There is another error check in the compiler since I ran
across it during testing.
gotools/:
* Makefile.am (go_cmd_go_files): Sort entries. Add generate.go.
* Makefile.in: Rebuild.
From-SVN: r219627
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toolchain).
From-SVN: r219419
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From-SVN: r219406
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Don't look it up on PATH. This lets a go tool built as part
of a GCC build use the gccgo from the same build.
Also pass -c when assembling a .s file with gccgo.
From-SVN: r219358
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The new commands are not yet built. That will be done
separately.
Also include a few changes to go/build to support them.
From-SVN: r219272
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PR go/61871
runtime: Increase stack size on 64-bit non-split-stack systems.
From Uros Bizjak.
From-SVN: r219192
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From-SVN: r219049
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From Uros Bizjak.
https://gcc.gnu.org/ml/gcc-patches/2014-12/msg01366.html
From-SVN: r218819
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PR go/61258
runtime: Don't crash when deleting zero-sized key.
From-SVN: r218702
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This patches in the Go 1.4 function, for convenience for
people using the Go 1.4 go tool with mainline gccgo.
From-SVN: r218700
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Fix an unusual C to Go callback case. Newly created C threads
call into Go code, forcing the Go code to allocate new M and G
structures. While executing Go code, the stack is split. The
Go code then returns. Returning from a Go callback is treated
as entering a system call, so the G gcstack field is set to
point to the Go stack. In this case, though, we were called
from a newly created C thread, so we drop the extra M and G
structures. The C thread then exits.
Then a new C thread calls into Go code, reusing the previously
created M and G. The Go code requires a larger stack frame,
causing the old stack segment to be unmapped and a new stack
segment allocated. At this point the gcstack field is
pointing to the old stack segment.
Then a garbage collection occurs. The garbage collector sees
that the gcstack field is not nil, so it scans it as the first
stack segment. Unfortunately it points to memory that was
unmapped. So the program crashes.
The fix is simple: when handling extra G structures created
for callbacks from new C threads, clear the gcstack field.
From-SVN: r218699
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drivers
* testsuite/lib/libatomic.exp: Load target-utils.exp
* testsuite/lib/libitm.exp: Load target-utils.exp.
Move load of target-supports.exp earlier.
* testsuite/lib/libvtv.exp: Load target-utils.exp
From-SVN: r218664
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This goes towards making libgo more self-contained.
From-SVN: r218198
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ppc64 for BE
ppc64le for LE
issue 8654
From-SVN: r217941
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Different compilers may have different release cadences or ABI
incompatibilities, so it does not make sense to use the same library
name for runtime libraries intended for different compilers.
This CL causes a libgo built by llgo to receive the name libgo-llgo.
Likewise, libgobegin is named libgobegin-llgo.
From-SVN: r217583
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From-SVN: r217404
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2014-11-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
* libgo/runtime/runtime.c (runtime_cputicks): s390: use stckf
unconditionally
From-SVN: r217195
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2014-11-06 Dominik Vogt <vogt@linux.vnet.ibm.com>
* libgo/mksysinfo.sh: Tolerate missing structures.
From-SVN: r217194
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Backport https://codereview.appspot.com/111320044 from Go
master library.
From-SVN: r217110
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From Dominik Vogt.
* libgo/go/syscall/libcall_linux_s390.go: New file for s390 support.
* libgo/go/syscall/syscall_linux_s390.go: Ditto.
* libgo/go/syscall/libcall_linux_s390x.go: New file for s390x support.
* libgo/go/syscall/syscall_linux_s390x.go: Ditto.
* libgo/go/runtime/pprof/pprof.go (printStackRecord): Support s390 and
s390x.
* libgo/runtime/runtime.c (runtime_cputicks): Add support for s390 and
s390x
* libgo/mksysinfo.sh: Ditto.
(upcase_fields): New helper function
* libgo/go/debug/elf/file.go (applyRelocations): Implement relocations
on s390x.
(applyRelocationsS390x): Ditto.
(DWARF): Ditto.
* libgo/go/debug/elf/elf.go (R_390): New constants for S390 relocations.
(r390Strings): Ditto.
(String): Helper function for S390 relocations.
(GoString): Ditto.
* libgo/go/reflect/makefuncgo_s390.go: New file.
(S390MakeFuncStubGo): Implementation of s390 abi.
* libgo/go/reflect/makefuncgo_s390x.go: New file.
(S390xMakeFuncStubGo): Implementation of s390x abi.
* libgo/go/reflect/makefunc_s390.c: New file.
(makeFuncStub): s390 and s390x specific implementation of function.
* libgo/go/reflect/makefunc.go
(MakeFunc): Add support for s390 and s390x.
(makeMethodValue): Ditto.
(makeValueMethod): Ditto.
* libgo/Makefile.am (go_reflect_makefunc_s_file): Ditto.
(go_reflect_makefunc_file): Ditto.
* libgo/go/reflect/makefunc_dummy.c: Ditto.
* libgo/runtime/runtime.h (__go_makefunc_can_recover): Export prototype
for use in makefunc_s390.c.
(__go_makefunc_returning): Ditto.
* libgo/go/syscall/exec_linux.go (forkAndExecInChild): Fix order of the
arguments of the clone system call for s390[x].
* libgo/configure.ac (is_s390): New variable.
(is_s390x): Ditto
(LIBGO_IS_S390): Ditto.
(LIBGO_IS_S390X): Ditto.
(GOARCH): Support s390 and s390x.
* libgo/go/go/build/build.go (cgoEnabled): Ditto.
* libgo/go/go/build/syslist.go (goarchList): Ditto.
From-SVN: r217106
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version
From-SVN: r217049
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Backport of https://codereview.appspot.com/125910043 from the
dev.power64 branch of the master repository.
From-SVN: r216813
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TIOCSWINSZ_val, TCGETS_val, TCSETS_val
From-SVN: r216807
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