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CL 84555 added support for the SuperH architecture, but didn't add the
randomTrap definition to be used for the getrandom syscall on Linux.
Add it now.
Reviewed-on: https://go-review.googlesource.com/90535
From-SVN: r257171
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Reviewed-on: https://go-review.googlesource.com/90295
From-SVN: r257127
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Reviewed-on: https://go-review.googlesource.com/90295
From-SVN: r257126
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This was the original intent, as reflected in the long comment at the
start of names.cc, but I forgot to implement it.
Also, remove a leading ".0" from the final name. That could occur for
a method whose receiver type starts with 'u', as in that case we
prepend a space to the mangled name, to avoid confusion with the
Unicode mangling, and the space turns into ".0".
Also, if the Unicode encoding would cause the final to start with
"..u" or "..U", add a leading underscore.
Patch gotest to not get fooled by some names.
The result of these changes is that all symbols start with a letter or
an underscore.
Reviewed-on: https://go-review.googlesource.com/90015
From-SVN: r257068
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The top three region number bits must be masked out before
right-shifting the address bits into place, otherwise they will be
copied down into the lower always-zero address bits.
Reviewed-on: https://go-review.googlesource.com/84535
From-SVN: r257061
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Encode all external symbol names using only ASCII alphanumeric
characters, underscore, and dot. Use a scheme that can be reliably
demangled to a somewhat readable version as described in the long
comment in names.cc.
A minor cleanup discovered during this was that we were treating
function types as different if one had a NULL parameters_ field and
another has a non-NULL parameters_ field that has no parameters. This
worked because we mangled them slightly differently. We now mangle
them the same, so we treat them as equal, as we should anyhow.
Reviewed-on: https://go-review.googlesource.com/89555
* go.go-torture/execute/names-1.go: New test.
From-SVN: r257033
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Reviewed-on: https://go-review.googlesource.com/88935
From-SVN: r256971
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This makes no difference on most systems, because <sys/resource.h>
renames the type appropriately anyhow, but apparently it makes a
difference on AIX.
Reviewed-on: https://go-review.googlesource.com/88076
From-SVN: r256877
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Solaris 10 uses int32 for the Pw_uid and Pw_gid fields of Passwd,
but most systems, including Solaris 11, use uint32. Force uint32
for consistency and to fix the build.
Reviewed-on: https://go-review.googlesource.com/88195
From-SVN: r256875
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Reviewed-on: https://go-review.googlesource.com/88236
From-SVN: r256874
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Reviewed-on: https://go-review.googlesource.com/88275
From-SVN: r256873
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Patch by Rainer Orth.
Reviewed-on: https://go-review.googlesource.com/88376
From-SVN: r256872
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update)
PR go/83787
compiler: pass int to makechan, call makechan64 when appropriate
The update to 1.10beta1 changed makechan to take int instead of int64,
and added a makechan64 call for large values. Since the size is the
last argument to makechan, the old compiler which always passed a
64-bit int worked fine on 64-bit systems and little-endian 32-bit
systems, but broke on big-endian 32-bit systems. This CL fixes the
compiler to use the appropriate types.
This fixes GCC PR 83787.
Reviewed-on: https://go-review.googlesource.com/88077
From-SVN: r256835
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Reviewed-on: https://go-review.googlesource.com/87198
From-SVN: r256810
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Reviewed-on: https://go-review.googlesource.com/87897
From-SVN: r256794
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Move the architecture-specific settings out of configure.ac into a new
shell script goarch.sh. Use the new script to collect the values for
all architectures to make them available in go/types.
Also fix cmd/vet to pass the right compiler when it calls SizesFor.
This fixes cmd/vet for systems that are not implemented in the gc
toolchain, such as alpha and ia64.
Reviewed-on: https://go-review.googlesource.com/87635
From-SVN: r256655
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PR go/83794
misc/cgo/test: avoid endless loop when we can't parse notes
Reviewed-on: https://go-review.googlesource.com/87416
From-SVN: r256553
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No test as the only system I know that uses 64-bit DWARF is AIX.
Backport of https://golang.org/cl/84379, which will be in Go 1.11.
Backporting now for AIX support in gccgo.
Reviewed-on: https://go-review.googlesource.com/87296
From-SVN: r256474
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Reviewed-on: https://go-review.googlesource.com/87197
From-SVN: r256450
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Reviewed-on: https://go-review.googlesource.com/84555
From-SVN: r256446
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Add missing .a files. These should have been committed with the
update to go1.10beta1, but were skipped because by default Subversion
ignores all files matching *.a.
From-SVN: r256442
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obsolescent)
PR c/82922
runtime, syscall: use full prototypes in C code
Based on patch by Martin Sebor.
Reviewed-on: https://go-review.googlesource.com/86815
From-SVN: r256437
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The exp/proxy package was removed from the master library in
https://golang.org/cl/6461056 (August, 2012).
The exp/terminal package was removed from the master library in
https://golang.org/cl/5970044 (March, 2012).
I'm not sure why they lingered in the gofrontend copy, but let's
finally remove them now.
Reviewed-on: https://go-review.googlesource.com/87138
From-SVN: r256435
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GCC always recognizes the -fsplit-stack option, but then tests whether
it is supported by the selected target. If not, it reports
cc1: error: ‘-fsplit-stack’ is not supported by this compiler configuration
Check for that error message when deciding whether a compiler option works.
Reviewed-on: https://go-review.googlesource.com/87137
From-SVN: r256433
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The signature of makemap changed with the update to 1.10beta1,
but I forgot to update the call from C code.
Reviewed-on: https://go-review.googlesource.com/87135
From-SVN: r256431
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When compiling runtime, it is not allowed for local variables
and closures to be heap allocated. In one test, there is a go
statement with a closure. In the gc compiler, it distinguishes
capturing variable by value vs. by address, and rewrites it to
passing the captured values as arguments. Currently we don't
have this, and the escape analysis decides to heap allocate the
closure and also the captured variables, which is not allowed.
Work around it by passing the variables explicitly.
This is in preparation of turning on escape analysis for the
runtime.
Reviewed-on: https://go-review.googlesource.com/86245
From-SVN: r256419
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This is in preparation of turning on escape analysis for the
runtime.
- In gccgo, systemstack is implemented with mcall, which is not
go:noescape. Wrap the closure in noescape so the escape analysis
does not think it escapes.
- Mark some C functions go:noescape. They do not leak arguments.
- Use noescape function to make a few local variables' addresses
not escape. The escape analysis cannot figure out because they
are assigned to pointer indirections.
Reviewed-on: https://go-review.googlesource.com/86244
From-SVN: r256418
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For gccgo code avoid --whole-archive and -(. Use -blibpath instead of
-rpath.
Reviewed-on: https://go-review.googlesource.com/86956
From-SVN: r256417
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Reviewed-on: https://go-review.googlesource.com/86936
From-SVN: r256416
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Patch from Rainer Orth.
Reviewed-on: https://go-review.googlesource.com/87037
From-SVN: r256399
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Update the Go library to the 1.10beta1 release.
Requires a few changes to the compiler for modifications to the map
runtime code, and to handle some nowritebarrier cases in the runtime.
Reviewed-on: https://go-review.googlesource.com/86455
gotools/:
* Makefile.am (go_cmd_vet_files): New variable.
(go_cmd_buildid_files, go_cmd_test2json_files): New variables.
(s-zdefaultcc): Change from constants to functions.
(noinst_PROGRAMS): Add vet, buildid, and test2json.
(cgo$(EXEEXT)): Link against $(LIBGOTOOL).
(vet$(EXEEXT)): New target.
(buildid$(EXEEXT)): New target.
(test2json$(EXEEXT)): New target.
(install-exec-local): Install all $(noinst_PROGRAMS).
(uninstall-local): Uninstasll all $(noinst_PROGRAMS).
(check-go-tool): Depend on $(noinst_PROGRAMS). Copy down
objabi.go.
(check-runtime): Depend on $(noinst_PROGRAMS).
(check-cgo-test, check-carchive-test): Likewise.
(check-vet): New target.
(check): Depend on check-vet. Look at cmd_vet-testlog.
(.PHONY): Add check-vet.
* Makefile.in: Rebuild.
From-SVN: r256365
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Reviewed-on: https://go-review.googlesource.com/85256
From-SVN: r256306
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Reviewed-on: https://go-review.googlesource.com/79375
From-SVN: r255738
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Reviewed-on: https://go-review.googlesource.com/79095
From-SVN: r255737
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Remove -fplan9-extensions from the CFLAGS used for libgo (no
longer needed since the runtime was converted from C to Go).
Reviewed-on: https://go-review.googlesource.com/82177
From-SVN: r255445
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The functions cgoCheckPointer and cgoCheckResult are called by code
generated by cgo. That means that we need to export them using
go:linkname, as otherwise they are local symbols. The cgo code
currently uses weak references to only call the symbols if they are
defined, which is why it has been working--the cgo code has not been
doing any checks.
Reviewed-on: https://go-review.googlesource.com/80295
From-SVN: r255347
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Reviewed-on: https://go-review.googlesource.com/72930
From-SVN: r255090
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Solaris grep does not support the -q option.
Reviewed-on: https://go-review.googlesource.com/79239
From-SVN: r255042
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Fix a small bug in the libgo Makefile recipe that constructs the
directory from which to pick up libgcc_s.so ; the gccgo invocation
with -print-libgcc-file-name was missing the flags, which meant that
for -m32 builds we'd see the 64-bit libgcc dir.
Reviewed-on: https://go-review.googlesource.com/78836
From-SVN: r254984
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libgcc:
* config.host (*-*-solaris2*): Adapt comment for Solaris 12
renaming.
* config/sol2/crtpg.c (__start_crt_compiler): Likewise.
* configure.ac (libgcc_cv_solaris_crts): Likewise.
* configure: Regenerate.
gcc:
* config.gcc (*-*-solaris2*): Enable default_use_cxa_atexit since
Solaris 11. Update comment.
* configure.ac (gcc_cv_ld_pid): Adapt comment for Solaris 12
renaming.
* config/sol2.h (STARTFILE_SPEC): Likewise.
* configure: Regenerate.
gcc/testsuite:
* lib/target-supports.exp (check_effective_target_pie): Adapt
comment for Solaris 12 renaming.
* gcc.dg/torture/pr60092.c: Remove *-*-solaris2.11* dg-xfail-run-if.
From-SVN: r254737
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With the change in the Solaris release model (no more major releases
like Solaris 12 but only minor ones like 11.4), the Solaris 12
references in GCC need to be adapted.
Patch by Rainer Orth.
Reviewed-on: https://go-review.googlesource.com/77490
From-SVN: r254729
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For a misaligned address force a panic rather than assuming that reading
from the address 0 will cause one.
Reviewed-on: https://go-review.googlesource.com/69850
From-SVN: r254610
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"make check" runs make recursively to check each package. Pass
the flags through. So it is possible to run "make check" with
different settings easily.
Reviewed-on: https://go-review.googlesource.com/76029
From-SVN: r254475
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Also fix 64-bit DWARF to read a 64-bit abbrev offset in the
compilation unit.
This is a backport of https://golang.org/cl/71171, which will be in
the Go 1.10 release, to the gofrontend copy. Doing it now because AIX
is pretty much the only system that uses 64-bit DWARF.
Reviewed-on: https://go-review.googlesource.com/72250
From-SVN: r253955
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Reviewed-on: https://go-review.googlesource.com/69891
From-SVN: r253664
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Patch by Rainer Orth.
Reviewed-on: https://go-review.googlesource.com/67111
From-SVN: r253292
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We don't need them, and this fixes the build when using uClibc-ng
1.0.26 as originally reported at
https://gcc.gnu.org/ml/gcc-patches/2017-09/msg01930.html
Reviewed-on: https://go-review.googlesource.com/67110
From-SVN: r253291
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Reviewed-on: https://go-review.googlesource.com/64550
From-SVN: r253231
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Reviewed-on: https://go-review.googlesource.com/64592
From-SVN: r253105
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With -enable-static=no we don't build non-pic objects, but libgotool.a
is built from non-pic objects. Build the packages that go into
libgotool.a in static mode in all cases.
Also ensure that internal test packages are built, since nothing
explicitly depended on them.
Reviewed-on: https://go-review.googlesource.com/65050
From-SVN: r253042
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