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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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Reviewed-on: https://go-review.googlesource.com/64990
From-SVN: r253022
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Reviewed-on: https://go-review.googlesource.com/64552
From-SVN: r253021
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Reviewed-on: https://go-review.googlesource.com/64551
From-SVN: r253016
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In the 1.9 upgrade I took out the word "goroutine" from a traceback
showing a goroutine running in C code, to let TestCgoNumGoroutine
pass. However, it turns out that some code is actually checking for
that string; for example,
https://github.com/grpc/grpc-go/blob/master/test/leakcheck/leakcheck.go#L44
So keep the message the same, and change the test.
Reviewed-on: https://go-review.googlesource.com/64850
From-SVN: r252991
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Reviewed-on: https://go-review.googlesource.com/64110
From-SVN: r252953
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Patch by Rainer Orth.
Reviewed-on: https://go-review.googlesource.com/64170
From-SVN: r252866
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Reviewed-on: https://go-review.googlesource.com/63753
From-SVN: r252767
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In preparation for upgrading libgo to the 1.9 release, this
approximately incorporates https://golang.org/cl/37661 and
https://golang.org/cl/38351.
CL 37661 changed the gc compiler such that the select statement simply
returns an integer which is then used as the argument for a switch.
Since gccgo already worked that way, this just adjusts the switch code
to look like the gc switch code by removing the explicit case index
expression and calculating it from the order of calls to selectsend,
selectrecv, and selectdefault.
CL 38351 simplifies the channel code by not passing the unused channel
type descriptor pointer.
Reviewed-on: https://go-review.googlesource.com/62730
From-SVN: r252749
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This adds much of https://golang.org/cl/35731 and
https://golang.org/cl/35732 to the gofrontend code.
This is a step toward updating libgo to the 1.9 release. The
gofrontend already supports type aliases, and this is required for
correct support of type aliases when used as embedded fields.
The change to expressions.cc is to handle the << 1, used for the
newly renamed offsetAnon field, in the constant context used for type
descriptor initialization.
Reviewed-on: https://go-review.googlesource.com/62710
From-SVN: r252746
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Patch by Rainer Orth.
Reviewed-on: https://go-review.googlesource.com/60732
From-SVN: r251574
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Reviewed-on: https://go-review.googlesource.com/59913
From-SVN: r251440
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Reviewed-on: https://go-review.googlesource.com/59912
From-SVN: r251439
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Reviewed-on: https://go-review.googlesource.com/59911
From-SVN: r251436
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Reviewed-on: https://go-review.googlesource.com/59910
From-SVN: r251435
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Reviewed-on: https://go-review.googlesource.com/57550
From-SVN: r251420
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PR go/81893
runtime: only use PPC GNU/Linux register code on little endian
Reportedly the current code builds on little endian but not big endian.
Fixes https://gcc.gnu.org/PR81893.
Reviewed-on: https://go-review.googlesource.com/57110
From-SVN: r251188
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Reviewed-on: https://go-review.googlesource.com/56910
From-SVN: r251182
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Using -funwind-tables is necessary to permit Go code to correctly
throw a panic through C code. This hasn't been necessary in the past
as -funwind-tables is the default on x86. However, it is not the
default for PPC AIX.
Reviewed-on: https://go-review.googlesource.com/56650
From-SVN: r251179
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Reviewed-on: https://go-review.googlesource.com/54170
From-SVN: r251133
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Fix dumpregs on i386, implement dumpregs for PPC Linux/AIX, get PC on AIX.
Reviewed-on: https://go-review.googlesource.com/56170
From-SVN: r251127
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Libgo's implementation of math.Ldexp declared the libc "ldexp" as
taking an 'int' exponent argument, which is not quite right for 64-bit
platforms (exp arg is always int32); this could yield incorrect
results for exponent values outside the range of Minint32/Maxint32.
Fix by upating the type for the libc version of ldexp, and adding
guards to screen for out-of-range exponents.
Fixes #21323.
Reviewed-on: https://go-review.googlesource.com/54250
From-SVN: r250992
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Patch from Uros Bizjak.
Reviewed-on: https://go-review.googlesource.com/53350
From-SVN: r250873
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PR go/81617
libgo: change mksigtab to recognize glibc 2.26 NSIG expression
Fixes golang/go#21147
Fixes GCC PR 81617
Reviewed-on: https://go-review.googlesource.com/52611
From-SVN: r250858
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Patch by Uros Bizjak.
Reviewed-on: https://go-review.googlesource.com/51370
From-SVN: r250588
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We unconditionally set _FILE_OFFSET_BITS to 64 in configure.ac, so we
should unconditionally call the statfs64 and fstatfs64 functions.
These functions should be available on all versions of GNU/Linux since 2.6.
On 64-bit systems they are aliased to statfs/fstatfs, and on 32-bit
systems they use the 64-bit data structures.
Fixes golang/go#20922
Reviewed-on: https://go-review.googlesource.com/50635
From-SVN: r250443
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If getSiginfo does not know how to determine the PC, it will call
runtime_callers. That can happen in a thread that was started by
non-Go code, in which case the TLS variable g will not be set, in
which case runtime_lock will crash.
Avoid the problem by using atomic operations for the lock. This is OK
since creating a backtrace state is fast and never blocks.
The test case is TestCgoExternalThreadSIGPROF in the runtime package
on a system that getSiginfo doesn't handle specially.
Updates golang/go#20931
Reviewed-on: https://go-review.googlesource.com/50650
From-SVN: r250439
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Updates golang/go#20931
Reviewed-on: https://go-review.googlesource.com/50631
From-SVN: r250436
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Allocate enough stack space so that the test will work on a system
that does not support split stacks.
This test is actually not very meaningful for gccgo at present, but it
doesn't hurt to keep running it.
Updates golang/go#20931
Reviewed-on: https://go-review.googlesource.com/50630
From-SVN: r250433
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futex.h:13:12: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘long’)
PR go/81451
runtime: inline runtime_osinit
We had two identical copies of runtime_osinit. They set runtime_ncpu,
a variable that is no longer used. Removing that leaves us with two lines.
Inline those two lines in the two places the function was called.
This fixes GCC PR 81451.
Reviewed-on: https://go-review.googlesource.com/48862
From-SVN: r250326
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PR go/81324
sysinfo.c: ignore ptrace_peeksiginfo_args from <linux/ptrace.h>
With some versions of glibc and GNU/Linux ptrace_pseeksiginfo_args is
defined in both <sys/ptrace.h> and <linux/ptrace.h>. We don't actually
care about the struct, so use a #define to avoid a redefinition error.
This fixes https://gcc.gnu.org/PR81324.
Reviewed-on: https://go-review.googlesource.com/49290
From-SVN: r250324
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https://gcc.gnu.org/PR81449 reports a problem with the definition semt
in runtime.inc on some systems. Since the C code in libgo/runtime
doesn't need semt, just don't copy it into runtime.inc.
Reviewed-on: https://go-review.googlesource.com/48593
From-SVN: r250217
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Don't assume that all (or only) 386/amd64 compilers support
-fsplit-stack.
Reviewed-on: https://go-review.googlesource.com/48592
From-SVN: r250216
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