+2016-09-11 Ian Lance Taylor <iant@golang.org>
+
+ * go-gcc.cc (Gcc_backend::Gcc_backend): Add builtin versions of
+ ctz, ctzll, bswap32, bswap64.
+
2016-09-10 Ian Lance Taylor <iant@golang.org>
* go-backend.c (go_trampoline_info): Remove.
NULL_TREE),
false, false);
+ // Used by runtime/internal/sys.
+ this->define_builtin(BUILT_IN_CTZ, "__builtin_ctz", "ctz",
+ build_function_type_list(integer_type_node,
+ unsigned_type_node,
+ NULL_TREE),
+ true, false);
+ this->define_builtin(BUILT_IN_CTZLL, "__builtin_ctzll", "ctzll",
+ build_function_type_list(integer_type_node,
+ long_long_unsigned_type_node,
+ NULL_TREE),
+ true, false);
+ this->define_builtin(BUILT_IN_BSWAP32, "__builtin_bswap32", "bswap32",
+ build_function_type_list(uint32_type_node,
+ uint32_type_node,
+ NULL_TREE),
+ true, false);
+ this->define_builtin(BUILT_IN_BSWAP64, "__builtin_bswap64", "bswap64",
+ build_function_type_list(uint64_type_node,
+ uint64_type_node,
+ NULL_TREE),
+ true, false);
+
// We provide some functions for the math library.
tree math_function_type = build_function_type_list(double_type_node,
double_type_node,
-d3a145b111a4f4ea772b812c6a0b3a853c207819
+841bea960b1f097e2cff5ad2618800296dcd4ec2
The first line of this file holds the git revision number of the last
merge done from the gofrontend repository.
version.go: s-version; @true
s-version: Makefile
rm -f version.go.tmp
- echo "package runtime" > version.go.tmp
- echo 'const defaultGoroot = "$(prefix)"' >> version.go.tmp
- echo 'const theVersion = "'`cat $(srcdir)/VERSION | sed 1q`' '`$(GOC) --version | sed 1q`'"' >> version.go.tmp
- echo 'const theGoarch = "'$(GOARCH)'"' >> version.go.tmp
- echo 'const theGoos = "'$(GOOS)'"' >> version.go.tmp
- echo 'const theGccgoToolDir = "$(libexecsubdir)"' >> version.go.tmp
+ echo "package sys" > version.go.tmp
+ echo 'const DefaultGoroot = "$(prefix)"' >> version.go.tmp
+ echo 'const TheVersion = "'`cat $(srcdir)/VERSION | sed 1q`' '`$(GOC) --version | sed 1q`'"' >> version.go.tmp
+ echo 'const GOARCH = "'$(GOARCH)'"' >> version.go.tmp
+ echo 'const GOOS = "'$(GOOS)'"' >> version.go.tmp
+ echo 'const GccgoToolDir = "$(libexecsubdir)"' >> version.go.tmp
+ echo >> version.go.tmp
+ echo "type ArchFamilyType int" >> version.go.tmp
+ echo >> version.go.tmp
+ echo "const (" >> version.go.tmp
+ echo " UNKNOWN ArchFamilyType = iota" >> version.go.tmp
+ for a in $(ALLGOARCHFAMILY); do \
+ echo " $${a}" >> version.go.tmp; \
+ done
+ echo ")" >> version.go.tmp
+ echo >> version.go.tmp
+ for a in $(ALLGOARCH); do \
+ f=`echo $${a} | sed -e 's/\(.\).*/\1/' -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`; \
+ n="$${f}`echo $${a} | sed -e 's/.//'`"; \
+ if test "$${a}" = "$(GOARCH)"; then \
+ echo "const Goarch$${n} = 1" >> version.go.tmp; \
+ else \
+ echo "const Goarch$${n} = 0" >> version.go.tmp; \
+ fi; \
+ done
+ echo >> version.go.tmp
+ echo "const (" >> version.go.tmp
+ echo " ArchFamily = $(GOARCH_FAMILY)" >> version.go.tmp
+ echo " BigEndian = $(GOARCH_BIGENDIAN)" >> version.go.tmp
+ echo " CacheLineSize = $(GOARCH_CACHELINESIZE)" >> version.go.tmp
+ echo " PhysPageSize = $(GOARCH_PHYSPAGESIZE)" >> version.go.tmp
+ echo " PCQuantum = $(GOARCH_PCQUANTUM)" >> version.go.tmp
+ echo " Int64Align = $(GOARCH_INT64ALIGN)" >> version.go.tmp
+ echo " HugePageSize = $(GOARCH_HUGEPAGESIZE)" >> version.go.tmp
+ echo " MinFrameSize = $(GOARCH_MINFRAMESIZE)" >> version.go.tmp
+ echo ")" >> version.go.tmp
+ echo >> version.go.tmp
+ for a in $(ALLGOOS); do \
+ f=`echo $${a} | sed -e 's/\(.\).*/\1/' -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`; \
+ n="$${f}`echo $${a} | sed -e 's/.//'`"; \
+ if test "$${a}" = "$(GOOS)"; then \
+ echo "const Goos$${n} = 1" >> version.go.tmp; \
+ else \
+ echo "const Goos$${n} = 0" >> version.go.tmp; \
+ fi; \
+ done
+ echo >> version.go.tmp
+ echo "type Uintreg uintptr" >> version.go.tmp
$(SHELL) $(srcdir)/mvifdiff.sh version.go.tmp version.go
$(STAMP) $@
runtime/pprof.lo \
runtime/internal/atomic.lo \
runtime/internal/atomic_c.lo \
+ runtime/internal/sys.lo \
sync/atomic.lo \
sync/atomic_c.lo \
text/scanner.lo \
@$(CHECK)
.PHONY: regexp/check
-extra_go_files_runtime = runtime_sysinfo.go version.go
+extra_go_files_runtime = runtime_sysinfo.go
@go_include@ runtime-go.lo.dep
runtime-go.lo.dep: $(srcdir)/go/runtime/*.go $(extra_go_files_runtime)
@$(CHECK)
.PHONY: runtime/internal/atomic/check
+extra_go_files_runtime_internal_sys = version.go
+
+@go_include@ runtime/internal/sys.lo.dep
+runtime/internal/sys.lo.dep: $(srcdir)/go/runtime/internal/sys/*.go
+ $(BUILDDEPS)
+runtime_internal_sys_lo_GOCFLAGS = -fgo-compiling-runtime
+runtime/internal/sys.lo:
+ $(BUILDPACKAGE)
+runtime/internal/sys/check: $(CHECK_DEPS)
+ @$(CHECK)
+.PHONY: runtime/internal/sys/check
+
@go_include@ sync/atomic.lo.dep
sync/atomic.lo.dep: $(srcdir)/go/sync/atomic/*.go
$(BUILDDEPS)
$(BUILDGOX)
runtime/internal/atomic.gox: runtime/internal/atomic.lo
$(BUILDGOX)
+runtime/internal/sys.gox: runtime/internal/sys.lo
+ $(BUILDGOX)
sync/atomic.gox: sync/atomic.lo
$(BUILDGOX)
regexp/syntax/check \
runtime/pprof/check \
runtime/internal/atomic/check \
+ runtime/internal/sys/check \
sync/atomic/check \
text/scanner/check \
text/tabwriter/check \
os/user.lo path/filepath.lo regexp/syntax.lo \
net/rpc/jsonrpc.lo runtime/debug.lo runtime/pprof.lo \
runtime/internal/atomic.lo runtime/internal/atomic_c.lo \
- sync/atomic.lo sync/atomic_c.lo text/scanner.lo \
- text/tabwriter.lo text/template.lo text/template/parse.lo \
- testing/iotest.lo testing/quick.lo unicode/utf16.lo \
- unicode/utf8.lo
+ runtime/internal/sys.lo sync/atomic.lo sync/atomic_c.lo \
+ text/scanner.lo text/tabwriter.lo text/template.lo \
+ text/template/parse.lo testing/iotest.lo testing/quick.lo \
+ unicode/utf16.lo unicode/utf8.lo
am__DEPENDENCIES_2 =
am__DEPENDENCIES_3 = $(am__DEPENDENCIES_1) \
../libbacktrace/libbacktrace.la $(am__DEPENDENCIES_2) \
CTAGS = ctags
DIST_SUBDIRS = testsuite
ACLOCAL = @ACLOCAL@
+ALLGOARCH = @ALLGOARCH@
+ALLGOARCHFAMILY = @ALLGOARCHFAMILY@
+ALLGOOS = @ALLGOOS@
AMTAR = @AMTAR@
AR = @AR@
AUTOCONF = @AUTOCONF@
EXEEXT = @EXEEXT@
FGREP = @FGREP@
GOARCH = @GOARCH@
+GOARCH_BIGENDIAN = @GOARCH_BIGENDIAN@
+GOARCH_CACHELINESIZE = @GOARCH_CACHELINESIZE@
+GOARCH_FAMILY = @GOARCH_FAMILY@
+GOARCH_HUGEPAGESIZE = @GOARCH_HUGEPAGESIZE@
+GOARCH_INT64ALIGN = @GOARCH_INT64ALIGN@
+GOARCH_MINFRAMESIZE = @GOARCH_MINFRAMESIZE@
+GOARCH_PCQUANTUM = @GOARCH_PCQUANTUM@
+GOARCH_PHYSPAGESIZE = @GOARCH_PHYSPAGESIZE@
GOC = @GOC@
GOCFLAGS = $(CFLAGS)
GOOS = @GOOS@
runtime/pprof.lo \
runtime/internal/atomic.lo \
runtime/internal/atomic_c.lo \
+ runtime/internal/sys.lo \
sync/atomic.lo \
sync/atomic_c.lo \
text/scanner.lo \
@HAVE_STAT_TIMESPEC_FALSE@@LIBGO_IS_SOLARIS_TRUE@matchargs_os =
@HAVE_STAT_TIMESPEC_TRUE@@LIBGO_IS_SOLARIS_TRUE@matchargs_os = --tag=solaristag
@LIBGO_IS_SOLARIS_FALSE@matchargs_os =
-extra_go_files_runtime = runtime_sysinfo.go version.go
+extra_go_files_runtime = runtime_sysinfo.go
runtime_go_lo_GOCFLAGS = -fgo-c-header=runtime.inc.tmp -fgo-compiling-runtime
@LIBGO_IS_BSD_TRUE@golang_org_x_net_route_lo = \
@LIBGO_IS_BSD_TRUE@ golang_org/x/net/route/route.lo
# Also use -fno-inline to get better results from the memory profiler.
runtime_pprof_check_GOCFLAGS = -static-libgo -fno-inline
runtime_internal_atomic_lo_GOCFLAGS = -fgo-compiling-runtime
+extra_go_files_runtime_internal_sys = version.go
+runtime_internal_sys_lo_GOCFLAGS = -fgo-compiling-runtime
# How to build a .gox file from a .lo file.
BUILDGOX = \
regexp/syntax/check \
runtime/pprof/check \
runtime/internal/atomic/check \
+ runtime/internal/sys/check \
sync/atomic/check \
text/scanner/check \
text/tabwriter/check \
version.go: s-version; @true
s-version: Makefile
rm -f version.go.tmp
- echo "package runtime" > version.go.tmp
- echo 'const defaultGoroot = "$(prefix)"' >> version.go.tmp
- echo 'const theVersion = "'`cat $(srcdir)/VERSION | sed 1q`' '`$(GOC) --version | sed 1q`'"' >> version.go.tmp
- echo 'const theGoarch = "'$(GOARCH)'"' >> version.go.tmp
- echo 'const theGoos = "'$(GOOS)'"' >> version.go.tmp
- echo 'const theGccgoToolDir = "$(libexecsubdir)"' >> version.go.tmp
+ echo "package sys" > version.go.tmp
+ echo 'const DefaultGoroot = "$(prefix)"' >> version.go.tmp
+ echo 'const TheVersion = "'`cat $(srcdir)/VERSION | sed 1q`' '`$(GOC) --version | sed 1q`'"' >> version.go.tmp
+ echo 'const GOARCH = "'$(GOARCH)'"' >> version.go.tmp
+ echo 'const GOOS = "'$(GOOS)'"' >> version.go.tmp
+ echo 'const GccgoToolDir = "$(libexecsubdir)"' >> version.go.tmp
+ echo >> version.go.tmp
+ echo "type ArchFamilyType int" >> version.go.tmp
+ echo >> version.go.tmp
+ echo "const (" >> version.go.tmp
+ echo " UNKNOWN ArchFamilyType = iota" >> version.go.tmp
+ for a in $(ALLGOARCHFAMILY); do \
+ echo " $${a}" >> version.go.tmp; \
+ done
+ echo ")" >> version.go.tmp
+ echo >> version.go.tmp
+ for a in $(ALLGOARCH); do \
+ f=`echo $${a} | sed -e 's/\(.\).*/\1/' -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`; \
+ n="$${f}`echo $${a} | sed -e 's/.//'`"; \
+ if test "$${a}" = "$(GOARCH)"; then \
+ echo "const Goarch$${n} = 1" >> version.go.tmp; \
+ else \
+ echo "const Goarch$${n} = 0" >> version.go.tmp; \
+ fi; \
+ done
+ echo >> version.go.tmp
+ echo "const (" >> version.go.tmp
+ echo " ArchFamily = $(GOARCH_FAMILY)" >> version.go.tmp
+ echo " BigEndian = $(GOARCH_BIGENDIAN)" >> version.go.tmp
+ echo " CacheLineSize = $(GOARCH_CACHELINESIZE)" >> version.go.tmp
+ echo " PhysPageSize = $(GOARCH_PHYSPAGESIZE)" >> version.go.tmp
+ echo " PCQuantum = $(GOARCH_PCQUANTUM)" >> version.go.tmp
+ echo " Int64Align = $(GOARCH_INT64ALIGN)" >> version.go.tmp
+ echo " HugePageSize = $(GOARCH_HUGEPAGESIZE)" >> version.go.tmp
+ echo " MinFrameSize = $(GOARCH_MINFRAMESIZE)" >> version.go.tmp
+ echo ")" >> version.go.tmp
+ echo >> version.go.tmp
+ for a in $(ALLGOOS); do \
+ f=`echo $${a} | sed -e 's/\(.\).*/\1/' -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`; \
+ n="$${f}`echo $${a} | sed -e 's/.//'`"; \
+ if test "$${a}" = "$(GOOS)"; then \
+ echo "const Goos$${n} = 1" >> version.go.tmp; \
+ else \
+ echo "const Goos$${n} = 0" >> version.go.tmp; \
+ fi; \
+ done
+ echo >> version.go.tmp
+ echo "type Uintreg uintptr" >> version.go.tmp
$(SHELL) $(srcdir)/mvifdiff.sh version.go.tmp version.go
$(STAMP) $@
@$(CHECK)
.PHONY: runtime/internal/atomic/check
+@go_include@ runtime/internal/sys.lo.dep
+runtime/internal/sys.lo.dep: $(srcdir)/go/runtime/internal/sys/*.go
+ $(BUILDDEPS)
+runtime/internal/sys.lo:
+ $(BUILDPACKAGE)
+runtime/internal/sys/check: $(CHECK_DEPS)
+ @$(CHECK)
+.PHONY: runtime/internal/sys/check
+
@go_include@ sync/atomic.lo.dep
sync/atomic.lo.dep: $(srcdir)/go/sync/atomic/*.go
$(BUILDDEPS)
$(BUILDGOX)
runtime/internal/atomic.gox: runtime/internal/atomic.lo
$(BUILDGOX)
+runtime/internal/sys.gox: runtime/internal/sys.lo
+ $(BUILDGOX)
sync/atomic.gox: sync/atomic.lo
$(BUILDGOX)
GO_SYSCALL_OS_FILE
GO_LIBCALL_OS_ARCH_FILE
GO_LIBCALL_OS_FILE
+ALLGOARCHFAMILY
+ALLGOARCH
+GOARCH_MINFRAMESIZE
+GOARCH_HUGEPAGESIZE
+GOARCH_INT64ALIGN
+GOARCH_PCQUANTUM
+GOARCH_PHYSPAGESIZE
+GOARCH_CACHELINESIZE
+GOARCH_BIGENDIAN
+GOARCH_FAMILY
GOARCH
-LIBGO_IS_X86_64_FALSE
-LIBGO_IS_X86_64_TRUE
-LIBGO_IS_SPARC64_FALSE
-LIBGO_IS_SPARC64_TRUE
-LIBGO_IS_SPARC_FALSE
-LIBGO_IS_SPARC_TRUE
-LIBGO_IS_S390X_FALSE
-LIBGO_IS_S390X_TRUE
-LIBGO_IS_S390_FALSE
-LIBGO_IS_S390_TRUE
-LIBGO_IS_PPC64LE_FALSE
-LIBGO_IS_PPC64LE_TRUE
-LIBGO_IS_PPC64_FALSE
-LIBGO_IS_PPC64_TRUE
-LIBGO_IS_PPC_FALSE
-LIBGO_IS_PPC_TRUE
-LIBGO_IS_MIPS64_FALSE
-LIBGO_IS_MIPS64_TRUE
-LIBGO_IS_MIPSO64_FALSE
-LIBGO_IS_MIPSO64_TRUE
-LIBGO_IS_MIPSN64_FALSE
-LIBGO_IS_MIPSN64_TRUE
-LIBGO_IS_MIPSN32_FALSE
-LIBGO_IS_MIPSN32_TRUE
-LIBGO_IS_MIPSO32_FALSE
-LIBGO_IS_MIPSO32_TRUE
-LIBGO_IS_MIPS_FALSE
-LIBGO_IS_MIPS_TRUE
-LIBGO_IS_M68K_FALSE
-LIBGO_IS_M68K_TRUE
-LIBGO_IS_IA64_FALSE
-LIBGO_IS_IA64_TRUE
-LIBGO_IS_ARM64_FALSE
-LIBGO_IS_ARM64_TRUE
-LIBGO_IS_ARM_FALSE
-LIBGO_IS_ARM_TRUE
-LIBGO_IS_ALPHA_FALSE
-LIBGO_IS_ALPHA_TRUE
-LIBGO_IS_386_FALSE
-LIBGO_IS_386_TRUE
USE_DEJAGNU
+ALLGOOS
GOOS
LIBGO_IS_BSD_FALSE
LIBGO_IS_BSD_TRUE
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11133 "configure"
+#line 11104 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11239 "configure"
+#line 11210 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
go_include="-include"
+# All known GOOS values. This is the union of all operating systems
+# supported by the gofrontend and all operating systems supported by
+# the gc toolchain.
+ALLGOOS="android darwin dragonfly freebsd irix linux netbsd openbsd plan9 rtems solaris windows"
+
is_darwin=no
is_freebsd=no
is_irix=no
+
USE_DEJAGNU=no
case ${host} in
*-*-rtems*) USE_DEJAGNU=yes ;;
esac
-is_386=no
-is_alpha=no
-is_arm=no
-is_arm64=no
-is_ia64=no
-is_m68k=no
-mips_abi=unknown
-is_ppc=no
-is_ppc64=no
-is_ppc64le=no
-is_s390=no
-is_s390x=no
-is_sparc=no
-is_sparc64=no
-is_x86_64=no
+# All known GOARCH values. This is the union of all architectures
+# supported by the gofrontend and all architectures supported by the
+# gc toolchain.
+# N.B. Keep in sync with gcc/testsuite/go.test/go-test.exp (go-set-goarch).
+ALLGOARCH="386 alpha amd64 amd64p32 arm armbe arm64 arm64be ia64 m68k mipso32 mipsn32 mipso64 mipsn64 mips mipsle mips64 mips64le mips64p32 mips64pe32le ppc ppc64 ppc64le s390 s390x sparc sparc64"
+
+# All known GOARCH_FAMILY values.
+ALLGOARCHFAMILY="I386 ALPHA AMD64 ARM ARM64 IA64 M68K MIPS MIPS64 PPC PPC64 S390 S390X SPARC SPARC64"
+
GOARCH=unknown
+GOARCH_FAMILY=unknown
+GOARCH_BIGENDIAN=0
+GOARCH_CACHELINESIZE=64
+GOARCH_PHYSPAGESIZE=4096
+GOARCH_PCQUANTUM=1
+GOARCH_INT64ALIGN=8
+GOARCH_HUGEPAGESIZE=0
+GOARCH_MINFRAMESIZE=0
case ${host} in
alpha*-*-*)
- is_alpha=yes
GOARCH=alpha
+ GOARCH_FAMILY=ALPHA
+ GOARCH_PHYSPAGESIZE=8192
+ GOARCH_PCQUANTUM=4
;;
aarch64-*-*)
- is_arm64=yes
GOARCH=arm64
+ GOARCH_FAMILY=ARM64
+ GOARCH_CACHELINESIZE=32
+ GOARCH_PHYSPAGESIZE=65536
+ GOARCH_PCQUANTUm=4
+ GOARCH_MINFRAMESIZE=8
;;
arm*-*-* | strongarm*-*-* | ep9312*-*-* | xscale-*-*)
- is_arm=yes
GOARCH=arm
+ GOARCH_FAMILY=ARM
+ GOARCH_CACHELINESIZE=32
+ GOARCH_PCQUANTUM=4
+ GOARCH_INT64ALIGN=4
+ GOARCH_MINFRAMESIZE=4
;;
i[34567]86-*-* | x86_64-*-*)
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
#endif
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
- is_386=yes
+ GOARCH=386
+GOARCH_FAMILY=I386
+GOARCH_INT64ALIGN=4
+GOARCH_HUGEPAGESIZE="1 << 21"
+
else
- is_x86_64=yes
+ GOARCH=amd64
+GOARCH_FAMILY=AMD64
+GOARCH_HUGEPAGESIZE="1 << 21"
+
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- if test "$is_386" = "yes"; then
- GOARCH=386
- else
- GOARCH=amd64
- fi
;;
ia64-*-*)
- is_ia64=yes
GOARCH=ia64
+ GOARCH_FAMILY=IA64
+ GOARCH_CACHELINESIZE=16384
+ GOARCH_PHYSPAGESIZE=8192
;;
m68k*-*-*)
- is_m68k=yes
GOARCH=m68k
+ GOARCH_FAMILY=M68K
+ GOARCH_BIGENDIAN=1
+ GOARCH_CACHELINESIZE=16
+ GOARCH_PCQUANTUM=4
+ GOARCH_INT64ALIGN=4
;;
mips*-*-*)
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
"n64") GOARCH=mipsn64 ;;
"o64") GOARCH=mipso64 ;;
esac
+ case "$mips_abi" in
+ "o32" | "n32")
+ GOARCH_FAMILY=MIPS
+ GOARCH_INT64ALIGN=4
+ GOARCH_MINFRAMESIZE=4
+ ;;
+ "n64" | "o64")
+ GOARCH_FAMILY=MIPS64
+ GOARCH_MINFRAMESIZE=8
+ ;;
+ esac
+ case "${host}" in
+ mips*el)
+ ;;
+ *)
+ GOARCH_BIGENDIAN=1
+ ;;
+ esac
+ GOARCH_CACHELINESIZE=32
+ GOARCH_PHYSPAGESIZE=16384
+ GOARCH_PCQUANTUM=4
;;
rs6000*-*-* | powerpc*-*-*)
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
#endif
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
- is_ppc=yes
+ GOARCH=ppc
+GOARCH_FAMILY=PPC
+GOARCH_BIGENDIAN=1
+GOARCH_INT64ALIGN=4
+
else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+
+GOARCH_FAMILY=PPC64
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#if defined(_BIG_ENDIAN) || defined(__BIG_ENDIAN__)
#endif
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
- is_ppc64le=yes
+ GOARCH=ppc64le
+
else
- is_ppc64=yes
+ GOARCH=ppc64
+GOARCH_BIGENDIAN=1
+
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- if test "$is_ppc" = "yes"; then
- GOARCH=ppc
- elif test "$is_ppc64" = "yes"; then
- GOARCH=ppc64
- else
- GOARCH=ppc64le
- fi
+ GOARCH_PHYSPAGESIZE=65536
+ GOARCH_PCQUANTUM=4
+ GOARCH_MINFRAMESIZE=32
;;
s390*-*-*)
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
#endif
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
- is_s390=yes
+ GOARCH=s390
+GOARCH_FAMILY=S390
+GOARCH_INT64ALIGN=4
+GOARCH_MINFRAMESIZE=4
+
else
- is_s390x=yes
+ GOARCH=s390x
+GOARCH_FAMILY=S390X
+GOARCH_MINFRAMESIZE=8
+
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- if test "$is_s390" = "yes"; then
- GOARCH=s390
- else
- GOARCH=s390x
- fi
+ GOARCH_BIGENDIAN=1
+ GOARCH_CACHELINESIZE=256
+ GOARCH_PCQUANTUM=2
;;
sparc*-*-*)
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
#endif
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
- is_sparc=yes
+ GOARCH=sparc
+GOARCH_FAMILY=SPARC
+GOARCH_INT64ALIGN=4
+
else
- is_sparc64=yes
+ GOARCH=sparc64
+GOARCH_FAMILY=SPARC64
+
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- if test "$is_sparc" = "yes"; then
- GOARCH=sparc
- else
- GOARCH=sparc64
- fi
+ GOARCH_BIGENDIAN=1
+ GOARCH_PHYSPAGESIZE=8192
+ GOARCH_PCQUANTUM=4
;;
esac
- if test $is_386 = yes; then
- LIBGO_IS_386_TRUE=
- LIBGO_IS_386_FALSE='#'
-else
- LIBGO_IS_386_TRUE='#'
- LIBGO_IS_386_FALSE=
-fi
-
- if test $is_alpha = yes; then
- LIBGO_IS_ALPHA_TRUE=
- LIBGO_IS_ALPHA_FALSE='#'
-else
- LIBGO_IS_ALPHA_TRUE='#'
- LIBGO_IS_ALPHA_FALSE=
-fi
-
- if test $is_arm = yes; then
- LIBGO_IS_ARM_TRUE=
- LIBGO_IS_ARM_FALSE='#'
-else
- LIBGO_IS_ARM_TRUE='#'
- LIBGO_IS_ARM_FALSE=
-fi
-
- if test $is_arm64 = yes; then
- LIBGO_IS_ARM64_TRUE=
- LIBGO_IS_ARM64_FALSE='#'
-else
- LIBGO_IS_ARM64_TRUE='#'
- LIBGO_IS_ARM64_FALSE=
-fi
-
- if test $is_ia64 = yes; then
- LIBGO_IS_IA64_TRUE=
- LIBGO_IS_IA64_FALSE='#'
-else
- LIBGO_IS_IA64_TRUE='#'
- LIBGO_IS_IA64_FALSE=
-fi
-
- if test $is_m68k = yes; then
- LIBGO_IS_M68K_TRUE=
- LIBGO_IS_M68K_FALSE='#'
-else
- LIBGO_IS_M68K_TRUE='#'
- LIBGO_IS_M68K_FALSE=
-fi
-
- if test $mips_abi != unknown; then
- LIBGO_IS_MIPS_TRUE=
- LIBGO_IS_MIPS_FALSE='#'
-else
- LIBGO_IS_MIPS_TRUE='#'
- LIBGO_IS_MIPS_FALSE=
-fi
-
- if test $mips_abi = o32; then
- LIBGO_IS_MIPSO32_TRUE=
- LIBGO_IS_MIPSO32_FALSE='#'
-else
- LIBGO_IS_MIPSO32_TRUE='#'
- LIBGO_IS_MIPSO32_FALSE=
-fi
-
- if test $mips_abi = n32; then
- LIBGO_IS_MIPSN32_TRUE=
- LIBGO_IS_MIPSN32_FALSE='#'
-else
- LIBGO_IS_MIPSN32_TRUE='#'
- LIBGO_IS_MIPSN32_FALSE=
-fi
-
- if test $mips_abi = n64; then
- LIBGO_IS_MIPSN64_TRUE=
- LIBGO_IS_MIPSN64_FALSE='#'
-else
- LIBGO_IS_MIPSN64_TRUE='#'
- LIBGO_IS_MIPSN64_FALSE=
-fi
- if test $mips_abi = o64; then
- LIBGO_IS_MIPSO64_TRUE=
- LIBGO_IS_MIPSO64_FALSE='#'
-else
- LIBGO_IS_MIPSO64_TRUE='#'
- LIBGO_IS_MIPSO64_FALSE=
-fi
- if test $mips_abi = n64 -o $mips_abi = o64; then
- LIBGO_IS_MIPS64_TRUE=
- LIBGO_IS_MIPS64_FALSE='#'
-else
- LIBGO_IS_MIPS64_TRUE='#'
- LIBGO_IS_MIPS64_FALSE=
-fi
- if test $is_ppc = yes; then
- LIBGO_IS_PPC_TRUE=
- LIBGO_IS_PPC_FALSE='#'
-else
- LIBGO_IS_PPC_TRUE='#'
- LIBGO_IS_PPC_FALSE=
-fi
- if test $is_ppc64 = yes; then
- LIBGO_IS_PPC64_TRUE=
- LIBGO_IS_PPC64_FALSE='#'
-else
- LIBGO_IS_PPC64_TRUE='#'
- LIBGO_IS_PPC64_FALSE=
-fi
- if test $is_ppc64le = yes; then
- LIBGO_IS_PPC64LE_TRUE=
- LIBGO_IS_PPC64LE_FALSE='#'
-else
- LIBGO_IS_PPC64LE_TRUE='#'
- LIBGO_IS_PPC64LE_FALSE=
-fi
- if test $is_s390 = yes; then
- LIBGO_IS_S390_TRUE=
- LIBGO_IS_S390_FALSE='#'
-else
- LIBGO_IS_S390_TRUE='#'
- LIBGO_IS_S390_FALSE=
-fi
- if test $is_s390x = yes; then
- LIBGO_IS_S390X_TRUE=
- LIBGO_IS_S390X_FALSE='#'
-else
- LIBGO_IS_S390X_TRUE='#'
- LIBGO_IS_S390X_FALSE=
-fi
- if test $is_sparc = yes; then
- LIBGO_IS_SPARC_TRUE=
- LIBGO_IS_SPARC_FALSE='#'
-else
- LIBGO_IS_SPARC_TRUE='#'
- LIBGO_IS_SPARC_FALSE=
-fi
- if test $is_sparc64 = yes; then
- LIBGO_IS_SPARC64_TRUE=
- LIBGO_IS_SPARC64_FALSE='#'
-else
- LIBGO_IS_SPARC64_TRUE='#'
- LIBGO_IS_SPARC64_FALSE=
-fi
-
- if test $is_x86_64 = yes; then
- LIBGO_IS_X86_64_TRUE=
- LIBGO_IS_X86_64_FALSE='#'
-else
- LIBGO_IS_X86_64_TRUE='#'
- LIBGO_IS_X86_64_FALSE=
-fi
as_fn_error "conditional \"LIBGO_IS_BSD\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
-if test -z "${LIBGO_IS_386_TRUE}" && test -z "${LIBGO_IS_386_FALSE}"; then
- as_fn_error "conditional \"LIBGO_IS_386\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${LIBGO_IS_ALPHA_TRUE}" && test -z "${LIBGO_IS_ALPHA_FALSE}"; then
- as_fn_error "conditional \"LIBGO_IS_ALPHA\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${LIBGO_IS_ARM_TRUE}" && test -z "${LIBGO_IS_ARM_FALSE}"; then
- as_fn_error "conditional \"LIBGO_IS_ARM\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${LIBGO_IS_ARM64_TRUE}" && test -z "${LIBGO_IS_ARM64_FALSE}"; then
- as_fn_error "conditional \"LIBGO_IS_ARM64\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${LIBGO_IS_IA64_TRUE}" && test -z "${LIBGO_IS_IA64_FALSE}"; then
- as_fn_error "conditional \"LIBGO_IS_IA64\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${LIBGO_IS_M68K_TRUE}" && test -z "${LIBGO_IS_M68K_FALSE}"; then
- as_fn_error "conditional \"LIBGO_IS_M68K\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${LIBGO_IS_MIPS_TRUE}" && test -z "${LIBGO_IS_MIPS_FALSE}"; then
- as_fn_error "conditional \"LIBGO_IS_MIPS\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${LIBGO_IS_MIPSO32_TRUE}" && test -z "${LIBGO_IS_MIPSO32_FALSE}"; then
- as_fn_error "conditional \"LIBGO_IS_MIPSO32\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${LIBGO_IS_MIPSN32_TRUE}" && test -z "${LIBGO_IS_MIPSN32_FALSE}"; then
- as_fn_error "conditional \"LIBGO_IS_MIPSN32\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${LIBGO_IS_MIPSN64_TRUE}" && test -z "${LIBGO_IS_MIPSN64_FALSE}"; then
- as_fn_error "conditional \"LIBGO_IS_MIPSN64\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${LIBGO_IS_MIPSO64_TRUE}" && test -z "${LIBGO_IS_MIPSO64_FALSE}"; then
- as_fn_error "conditional \"LIBGO_IS_MIPSO64\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${LIBGO_IS_MIPS64_TRUE}" && test -z "${LIBGO_IS_MIPS64_FALSE}"; then
- as_fn_error "conditional \"LIBGO_IS_MIPS64\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${LIBGO_IS_PPC_TRUE}" && test -z "${LIBGO_IS_PPC_FALSE}"; then
- as_fn_error "conditional \"LIBGO_IS_PPC\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${LIBGO_IS_PPC64_TRUE}" && test -z "${LIBGO_IS_PPC64_FALSE}"; then
- as_fn_error "conditional \"LIBGO_IS_PPC64\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${LIBGO_IS_PPC64LE_TRUE}" && test -z "${LIBGO_IS_PPC64LE_FALSE}"; then
- as_fn_error "conditional \"LIBGO_IS_PPC64LE\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${LIBGO_IS_S390_TRUE}" && test -z "${LIBGO_IS_S390_FALSE}"; then
- as_fn_error "conditional \"LIBGO_IS_S390\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${LIBGO_IS_S390X_TRUE}" && test -z "${LIBGO_IS_S390X_FALSE}"; then
- as_fn_error "conditional \"LIBGO_IS_S390X\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${LIBGO_IS_SPARC_TRUE}" && test -z "${LIBGO_IS_SPARC_FALSE}"; then
- as_fn_error "conditional \"LIBGO_IS_SPARC\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${LIBGO_IS_SPARC64_TRUE}" && test -z "${LIBGO_IS_SPARC64_FALSE}"; then
- as_fn_error "conditional \"LIBGO_IS_SPARC64\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${LIBGO_IS_X86_64_TRUE}" && test -z "${LIBGO_IS_X86_64_FALSE}"; then
- as_fn_error "conditional \"LIBGO_IS_X86_64\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
if test -z "${USING_SPLIT_STACK_TRUE}" && test -z "${USING_SPLIT_STACK_FALSE}"; then
as_fn_error "conditional \"USING_SPLIT_STACK\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
go_include="-include"
AC_SUBST(go_include)
+# All known GOOS values. This is the union of all operating systems
+# supported by the gofrontend and all operating systems supported by
+# the gc toolchain.
+ALLGOOS="android darwin dragonfly freebsd irix linux netbsd openbsd plan9 rtems solaris windows"
+
is_darwin=no
is_freebsd=no
is_irix=no
AM_CONDITIONAL(LIBGO_IS_SOLARIS, test $is_solaris = yes)
AM_CONDITIONAL(LIBGO_IS_BSD, test $is_darwin = yes -o $is_dragonfly = yes -o $is_freebsd = yes -o $is_netbsd = yes -o $is_openbsd = yes)
AC_SUBST(GOOS)
+AC_SUBST(ALLGOOS)
dnl Test whether we need to use DejaGNU or whether we can use the
dnl simpler gotest approach. We can only use gotest for a native
esac
AC_SUBST(USE_DEJAGNU)
-dnl N.B. Keep in sync with gcc/testsuite/go.test/go-test.exp (go-set-goarch).
-is_386=no
-is_alpha=no
-is_arm=no
-is_arm64=no
-is_ia64=no
-is_m68k=no
-mips_abi=unknown
-is_ppc=no
-is_ppc64=no
-is_ppc64le=no
-is_s390=no
-is_s390x=no
-is_sparc=no
-is_sparc64=no
-is_x86_64=no
+# All known GOARCH values. This is the union of all architectures
+# supported by the gofrontend and all architectures supported by the
+# gc toolchain.
+# N.B. Keep in sync with gcc/testsuite/go.test/go-test.exp (go-set-goarch).
+ALLGOARCH="386 alpha amd64 amd64p32 arm armbe arm64 arm64be ia64 m68k mipso32 mipsn32 mipso64 mipsn64 mips mipsle mips64 mips64le mips64p32 mips64pe32le ppc ppc64 ppc64le s390 s390x sparc sparc64"
+
+# All known GOARCH_FAMILY values.
+ALLGOARCHFAMILY="I386 ALPHA AMD64 ARM ARM64 IA64 M68K MIPS MIPS64 PPC PPC64 S390 S390X SPARC SPARC64"
+
GOARCH=unknown
+GOARCH_FAMILY=unknown
+GOARCH_BIGENDIAN=0
+GOARCH_CACHELINESIZE=64
+GOARCH_PHYSPAGESIZE=4096
+GOARCH_PCQUANTUM=1
+GOARCH_INT64ALIGN=8
+GOARCH_HUGEPAGESIZE=0
+GOARCH_MINFRAMESIZE=0
case ${host} in
alpha*-*-*)
- is_alpha=yes
GOARCH=alpha
+ GOARCH_FAMILY=ALPHA
+ GOARCH_PHYSPAGESIZE=8192
+ GOARCH_PCQUANTUM=4
;;
aarch64-*-*)
- is_arm64=yes
GOARCH=arm64
+ GOARCH_FAMILY=ARM64
+ GOARCH_CACHELINESIZE=32
+ GOARCH_PHYSPAGESIZE=65536
+ GOARCH_PCQUANTUm=4
+ GOARCH_MINFRAMESIZE=8
;;
arm*-*-* | strongarm*-*-* | ep9312*-*-* | xscale-*-*)
- is_arm=yes
GOARCH=arm
+ GOARCH_FAMILY=ARM
+ GOARCH_CACHELINESIZE=32
+ GOARCH_PCQUANTUM=4
+ GOARCH_INT64ALIGN=4
+ GOARCH_MINFRAMESIZE=4
;;
changequote(,)dnl
i[34567]86-*-* | x86_64-*-*)
#ifdef __x86_64__
#error 64-bit
#endif],
-[is_386=yes], [is_x86_64=yes])
- if test "$is_386" = "yes"; then
- GOARCH=386
- else
- GOARCH=amd64
- fi
+[GOARCH=386
+GOARCH_FAMILY=I386
+GOARCH_INT64ALIGN=4
+GOARCH_HUGEPAGESIZE="1 << 21"
+],
+[GOARCH=amd64
+GOARCH_FAMILY=AMD64
+GOARCH_HUGEPAGESIZE="1 << 21"
+])
;;
ia64-*-*)
- is_ia64=yes
GOARCH=ia64
+ GOARCH_FAMILY=IA64
+ GOARCH_CACHELINESIZE=16384
+ GOARCH_PHYSPAGESIZE=8192
;;
m68k*-*-*)
- is_m68k=yes
GOARCH=m68k
+ GOARCH_FAMILY=M68K
+ GOARCH_BIGENDIAN=1
+ GOARCH_CACHELINESIZE=16
+ GOARCH_PCQUANTUM=4
+ GOARCH_INT64ALIGN=4
;;
mips*-*-*)
AC_COMPILE_IFELSE([
"n64") GOARCH=mipsn64 ;;
"o64") GOARCH=mipso64 ;;
esac
+ case "$mips_abi" in
+ "o32" | "n32")
+ GOARCH_FAMILY=MIPS
+ GOARCH_INT64ALIGN=4
+ GOARCH_MINFRAMESIZE=4
+ ;;
+ "n64" | "o64")
+ GOARCH_FAMILY=MIPS64
+ GOARCH_MINFRAMESIZE=8
+ ;;
+ esac
+ case "${host}" in
+ mips*el)
+ ;;
+ *)
+ GOARCH_BIGENDIAN=1
+ ;;
+ esac
+ GOARCH_CACHELINESIZE=32
+ GOARCH_PHYSPAGESIZE=16384
+ GOARCH_PCQUANTUM=4
;;
rs6000*-*-* | powerpc*-*-*)
AC_COMPILE_IFELSE([
#ifdef _ARCH_PPC64
#error 64-bit
#endif],
-[is_ppc=yes],
- [AC_COMPILE_IFELSE([
+[GOARCH=ppc
+GOARCH_FAMILY=PPC
+GOARCH_BIGENDIAN=1
+GOARCH_INT64ALIGN=4
+],
+ [
+GOARCH_FAMILY=PPC64
+AC_COMPILE_IFELSE([
#if defined(_BIG_ENDIAN) || defined(__BIG_ENDIAN__)
#error 64be
#endif],
-[is_ppc64le=yes],[is_ppc64=yes])])
- if test "$is_ppc" = "yes"; then
- GOARCH=ppc
- elif test "$is_ppc64" = "yes"; then
- GOARCH=ppc64
- else
- GOARCH=ppc64le
- fi
+[GOARCH=ppc64le
+],
+[GOARCH=ppc64
+GOARCH_BIGENDIAN=1
+])])
+ GOARCH_PHYSPAGESIZE=65536
+ GOARCH_PCQUANTUM=4
+ GOARCH_MINFRAMESIZE=32
;;
s390*-*-*)
AC_COMPILE_IFELSE([
#if defined(__s390x__)
#error 64-bit
#endif],
-[is_s390=yes], [is_s390x=yes])
- if test "$is_s390" = "yes"; then
- GOARCH=s390
- else
- GOARCH=s390x
- fi
+[GOARCH=s390
+GOARCH_FAMILY=S390
+GOARCH_INT64ALIGN=4
+GOARCH_MINFRAMESIZE=4
+], [GOARCH=s390x
+GOARCH_FAMILY=S390X
+GOARCH_MINFRAMESIZE=8
+])
+ GOARCH_BIGENDIAN=1
+ GOARCH_CACHELINESIZE=256
+ GOARCH_PCQUANTUM=2
;;
sparc*-*-*)
AC_COMPILE_IFELSE([
#if defined(__sparcv9) || defined(__arch64__)
#error 64-bit
#endif],
-[is_sparc=yes], [is_sparc64=yes])
- if test "$is_sparc" = "yes"; then
- GOARCH=sparc
- else
- GOARCH=sparc64
- fi
+[GOARCH=sparc
+GOARCH_FAMILY=SPARC
+GOARCH_INT64ALIGN=4
+],
+[GOARCH=sparc64
+GOARCH_FAMILY=SPARC64
+])
+ GOARCH_BIGENDIAN=1
+ GOARCH_PHYSPAGESIZE=8192
+ GOARCH_PCQUANTUM=4
;;
esac
-AM_CONDITIONAL(LIBGO_IS_386, test $is_386 = yes)
-AM_CONDITIONAL(LIBGO_IS_ALPHA, test $is_alpha = yes)
-AM_CONDITIONAL(LIBGO_IS_ARM, test $is_arm = yes)
-AM_CONDITIONAL(LIBGO_IS_ARM64, test $is_arm64 = yes)
-AM_CONDITIONAL(LIBGO_IS_IA64, test $is_ia64 = yes)
-AM_CONDITIONAL(LIBGO_IS_M68K, test $is_m68k = yes)
-AM_CONDITIONAL(LIBGO_IS_MIPS, test $mips_abi != unknown)
-AM_CONDITIONAL(LIBGO_IS_MIPSO32, test $mips_abi = o32)
-AM_CONDITIONAL(LIBGO_IS_MIPSN32, test $mips_abi = n32)
-AM_CONDITIONAL(LIBGO_IS_MIPSN64, test $mips_abi = n64)
-AM_CONDITIONAL(LIBGO_IS_MIPSO64, test $mips_abi = o64)
-AM_CONDITIONAL(LIBGO_IS_MIPS64, test $mips_abi = n64 -o $mips_abi = o64)
-AM_CONDITIONAL(LIBGO_IS_PPC, test $is_ppc = yes)
-AM_CONDITIONAL(LIBGO_IS_PPC64, test $is_ppc64 = yes)
-AM_CONDITIONAL(LIBGO_IS_PPC64LE, test $is_ppc64le = yes)
-AM_CONDITIONAL(LIBGO_IS_S390, test $is_s390 = yes)
-AM_CONDITIONAL(LIBGO_IS_S390X, test $is_s390x = yes)
-AM_CONDITIONAL(LIBGO_IS_SPARC, test $is_sparc = yes)
-AM_CONDITIONAL(LIBGO_IS_SPARC64, test $is_sparc64 = yes)
-AM_CONDITIONAL(LIBGO_IS_X86_64, test $is_x86_64 = yes)
AC_SUBST(GOARCH)
+AC_SUBST(GOARCH_FAMILY)
+AC_SUBST(GOARCH_BIGENDIAN)
+AC_SUBST(GOARCH_CACHELINESIZE)
+AC_SUBST(GOARCH_PHYSPAGESIZE)
+AC_SUBST(GOARCH_PCQUANTUM)
+AC_SUBST(GOARCH_INT64ALIGN)
+AC_SUBST(GOARCH_HUGEPAGESIZE)
+AC_SUBST(GOARCH_MINFRAMESIZE)
+AC_SUBST(ALLGOARCH)
+AC_SUBST(ALLGOARCHFAMILY)
dnl Some files are only present when needed for specific architectures.
GO_LIBCALL_OS_FILE=
*/
package runtime
+import "runtime/internal/sys"
+
// Gosched yields the processor, allowing other goroutines to run. It does not
// suspend the current goroutine, so execution resumes automatically.
func Gosched()
if s != "" {
return s
}
- return defaultGoroot
+ return sys.DefaultGoroot
}
// Version returns the Go tree's version string.
// It is either the commit hash and date at the time of the build or,
// when possible, a release tag like "go1.3".
func Version() string {
- return theVersion
+ return sys.TheVersion
}
// GOOS is the running program's operating system target:
// one of darwin, freebsd, linux, and so on.
-const GOOS string = theGoos
+const GOOS string = sys.GOOS
// GOARCH is the running program's architecture target:
// 386, amd64, arm, or s390x.
-const GOARCH string = theGoarch
+const GOARCH string = sys.GOARCH
// GCCGOTOOLDIR is the Tool Dir for the gccgo build
-const GCCGOTOOLDIR string = theGccgoToolDir
+const GCCGOTOOLDIR string = sys.GccgoToolDir
--- /dev/null
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package sys
+
+//extern __builtin_ctz
+func builtinCtz32(uint32) int32
+
+//extern __builtin_ctzll
+func builtinCtz64(uint64) int32
+
+//go:nosplit
+
+// Ctz64 counts trailing (low-order) zeroes,
+// and if all are zero, then 64.
+func Ctz64(x uint64) uint64 {
+ if x == 0 {
+ return 64
+ }
+ return uint64(builtinCtz64(x))
+}
+
+//go:nosplit
+
+// Ctz32 counts trailing (low-order) zeroes,
+// and if all are zero, then 32.
+func Ctz32(x uint32) uint32 {
+ if x == 0 {
+ return 32
+ }
+ return uint32(builtinCtz32(x))
+}
+
+//go:nosplit
+
+// Ctz16 counts trailing (low-order) zeroes,
+// and if all are zero, then 16.
+func Ctz16(x uint16) uint16 {
+ if x == 0 {
+ return 16
+ }
+ return uint16(builtinCtz32(uint32(x)))
+}
+
+//go:nosplit
+
+// Ctz8 counts trailing (low-order) zeroes,
+// and if all are zero, then 8.
+func Ctz8(x uint8) uint8 {
+ if x == 0 {
+ return 8
+ }
+ return uint8(builtinCtz32(uint32(x)))
+}
+
+//extern __builtin_bswap64
+func bswap64(uint64) uint64
+
+//go:nosplit
+
+// Bswap64 returns its input with byte order reversed
+// 0x0102030405060708 -> 0x0807060504030201
+func Bswap64(x uint64) uint64 {
+ return bswap64(x)
+}
+
+//extern __builtin_bswap32
+func bswap32(uint32) uint32
+
+//go:nosplit
+
+// Bswap32 returns its input with byte order reversed
+// 0x01020304 -> 0x04030201
+func Bswap32(x uint32) uint32 {
+ return bswap32(x)
+}
--- /dev/null
+package sys_test
+
+import (
+ "runtime/internal/sys"
+ "testing"
+)
+
+func TestCtz64(t *testing.T) {
+ for i := uint(0); i <= 64; i++ {
+ x := uint64(5) << i
+ if got := sys.Ctz64(x); got != uint64(i) {
+ t.Errorf("Ctz64(%d)=%d, want %d", x, got, i)
+ }
+ }
+}
+func TestCtz32(t *testing.T) {
+ for i := uint(0); i <= 32; i++ {
+ x := uint32(5) << i
+ if got := sys.Ctz32(x); got != uint32(i) {
+ t.Errorf("Ctz32(%d)=%d, want %d", x, got, i)
+ }
+ }
+}
+func TestCtz16(t *testing.T) {
+ for i := uint(0); i <= 16; i++ {
+ x := uint16(5) << i
+ if got := sys.Ctz16(x); got != uint16(i) {
+ t.Errorf("Ctz16(%d)=%d, want %d", x, got, i)
+ }
+ }
+}
+func TestCtz8(t *testing.T) {
+ for i := uint(0); i <= 8; i++ {
+ x := uint8(5) << i
+ if got := sys.Ctz8(x); got != uint8(i) {
+ t.Errorf("Ctz8(%d)=%d, want %d", x, got, i)
+ }
+ }
+}
+
+func TestBswap64(t *testing.T) {
+ x := uint64(0x1122334455667788)
+ y := sys.Bswap64(x)
+ if y != 0x8877665544332211 {
+ t.Errorf("Bswap(%x)=%x, want 0x8877665544332211", x, y)
+ }
+}
+func TestBswap32(t *testing.T) {
+ x := uint32(0x11223344)
+ y := sys.Bswap32(x)
+ if y != 0x44332211 {
+ t.Errorf("Bswap(%x)=%x, want 0x44332211", x, y)
+ }
+}
--- /dev/null
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package sys
+
+// Declarations for runtime services implemented in C or assembly.
+
+const PtrSize = 4 << (^uintptr(0) >> 63) // unsafe.Sizeof(uintptr(0)) but an ideal const
+const RegSize = 4 << (^Uintreg(0) >> 63) // unsafe.Sizeof(uintreg(0)) but an ideal const
+const SpAlign = 1*(1-GoarchArm64) + 16*GoarchArm64 // SP alignment: 1 normally, 16 for ARM64
--- /dev/null
+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// package sys contains system- and configuration- and architecture-specific
+// constants used by the runtime.
+package sys
+
+// The next line makes 'go generate' write the zgen_*.go files with
+// per-OS and per-arch information, including constants
+// named goos_$GOOS and goarch_$GOARCH for every
+// known GOOS and GOARCH. The constant is 1 on the
+// current system, 0 otherwise; multiplying by them is
+// useful for defining GOOS- or GOARCH-specific constants.
+//go:generate go run gengoos.go
DEJATOOL = $(PACKAGE)
RUNTESTDEFAULTFLAGS = --tool $$tool --srcdir $$srcdir
ACLOCAL = @ACLOCAL@
+ALLGOARCH = @ALLGOARCH@
+ALLGOARCHFAMILY = @ALLGOARCHFAMILY@
+ALLGOOS = @ALLGOOS@
AMTAR = @AMTAR@
AR = @AR@
AUTOCONF = @AUTOCONF@
EXEEXT = @EXEEXT@
FGREP = @FGREP@
GOARCH = @GOARCH@
+GOARCH_BIGENDIAN = @GOARCH_BIGENDIAN@
+GOARCH_CACHELINESIZE = @GOARCH_CACHELINESIZE@
+GOARCH_FAMILY = @GOARCH_FAMILY@
+GOARCH_HUGEPAGESIZE = @GOARCH_HUGEPAGESIZE@
+GOARCH_INT64ALIGN = @GOARCH_INT64ALIGN@
+GOARCH_MINFRAMESIZE = @GOARCH_MINFRAMESIZE@
+GOARCH_PCQUANTUM = @GOARCH_PCQUANTUM@
+GOARCH_PHYSPAGESIZE = @GOARCH_PHYSPAGESIZE@
GOC = @GOC@
GOCFLAGS = @GOCFLAGS@
GOOS = @GOOS@
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