diff options
Diffstat (limited to 'vendor/golang.org/x/sys/unix/mkall.sh')
| -rwxr-xr-x | vendor/golang.org/x/sys/unix/mkall.sh | 143 |
1 files changed, 14 insertions, 129 deletions
diff --git a/vendor/golang.org/x/sys/unix/mkall.sh b/vendor/golang.org/x/sys/unix/mkall.sh index c1fc2ad..f0d6566 100755 --- a/vendor/golang.org/x/sys/unix/mkall.sh +++ b/vendor/golang.org/x/sys/unix/mkall.sh @@ -3,75 +3,9 @@ # Use of this source code is governed by a BSD-style # license that can be found in the LICENSE file. -# The unix package provides access to the raw system call -# interface of the underlying operating system. Porting Go to -# a new architecture/operating system combination requires -# some manual effort, though there are tools that automate -# much of the process. The auto-generated files have names -# beginning with z. -# -# This script runs or (given -n) prints suggested commands to generate z files -# for the current system. Running those commands is not automatic. -# This script is documentation more than anything else. -# -# * asm_${GOOS}_${GOARCH}.s -# -# This hand-written assembly file implements system call dispatch. -# There are three entry points: -# -# func Syscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr); -# func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr); -# func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr); -# -# The first and second are the standard ones; they differ only in -# how many arguments can be passed to the kernel. -# The third is for low-level use by the ForkExec wrapper; -# unlike the first two, it does not call into the scheduler to -# let it know that a system call is running. -# -# * syscall_${GOOS}.go -# -# This hand-written Go file implements system calls that need -# special handling and lists "//sys" comments giving prototypes -# for ones that can be auto-generated. Mksyscall reads those -# comments to generate the stubs. -# -# * syscall_${GOOS}_${GOARCH}.go -# -# Same as syscall_${GOOS}.go except that it contains code specific -# to ${GOOS} on one particular architecture. -# -# * types_${GOOS}.c -# -# This hand-written C file includes standard C headers and then -# creates typedef or enum names beginning with a dollar sign -# (use of $ in variable names is a gcc extension). The hardest -# part about preparing this file is figuring out which headers to -# include and which symbols need to be #defined to get the -# actual data structures that pass through to the kernel system calls. -# Some C libraries present alternate versions for binary compatibility -# and translate them on the way in and out of system calls, but -# there is almost always a #define that can get the real ones. -# See types_darwin.c and types_linux.c for examples. -# -# * zerror_${GOOS}_${GOARCH}.go -# -# This machine-generated file defines the system's error numbers, -# error strings, and signal numbers. The generator is "mkerrors.sh". -# Usually no arguments are needed, but mkerrors.sh will pass its -# arguments on to godefs. -# -# * zsyscall_${GOOS}_${GOARCH}.go -# -# Generated by mksyscall.pl; see syscall_${GOOS}.go above. -# -# * zsysnum_${GOOS}_${GOARCH}.go -# -# Generated by mksysnum_${GOOS}. -# -# * ztypes_${GOOS}_${GOARCH}.go -# -# Generated by godefs; see types_${GOOS}.c above. +# This script runs or (given -n) prints suggested commands to generate files for +# the Architecture/OS specified by the GOARCH and GOOS environment variables. +# See README.md for more information about how the build system works. GOOSARCH="${GOOS}_${GOARCH}" @@ -84,6 +18,7 @@ zsysctl="zsysctl_$GOOSARCH.go" mksysnum= mktypes= run="sh" +cmd="" case "$1" in -syscalls) @@ -98,6 +33,7 @@ case "$1" in ;; -n) run="cat" + cmd="echo" shift esac @@ -109,6 +45,14 @@ case "$#" in exit 2 esac +if [[ "$GOOS" = "linux" ]] && [[ "$GOARCH" != "sparc64" ]]; then + # Use then new build system + # Files generated through docker (use $cmd so you can Ctl-C the build or run) + $cmd docker build --tag generate:$GOOS $GOOS + $cmd docker run --interactive --tty --volume $(dirname "$(readlink -f "$0")"):/build generate:$GOOS + exit +fi + GOOSARCH_in=syscall_$GOOSARCH.go case "$GOOSARCH" in _* | *_ | _) @@ -167,64 +111,6 @@ freebsd_arm) # API consistent across over platforms. mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char" ;; -linux_386) - mkerrors="$mkerrors -m32" - mksyscall="./mksyscall.pl -l32" - mksysnum="./mksysnum_linux.pl /usr/include/asm/unistd_32.h" - mktypes="GOARCH=$GOARCH go tool cgo -godefs" - ;; -linux_amd64) - unistd_h=$(ls -1 /usr/include/asm/unistd_64.h /usr/include/x86_64-linux-gnu/asm/unistd_64.h 2>/dev/null | head -1) - if [ "$unistd_h" = "" ]; then - echo >&2 cannot find unistd_64.h - exit 1 - fi - mkerrors="$mkerrors -m64" - mksysnum="./mksysnum_linux.pl $unistd_h" - mktypes="GOARCH=$GOARCH go tool cgo -godefs" - ;; -linux_arm) - mkerrors="$mkerrors" - mksyscall="./mksyscall.pl -l32 -arm" - mksysnum="curl -s 'http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/plain/arch/arm/include/uapi/asm/unistd.h' | ./mksysnum_linux.pl -" - mktypes="GOARCH=$GOARCH go tool cgo -godefs" - ;; -linux_arm64) - unistd_h=$(ls -1 /usr/include/asm/unistd.h /usr/include/asm-generic/unistd.h 2>/dev/null | head -1) - if [ "$unistd_h" = "" ]; then - echo >&2 cannot find unistd_64.h - exit 1 - fi - mksysnum="./mksysnum_linux.pl $unistd_h" - # Let the type of C char be signed for making the bare syscall - # API consistent across over platforms. - mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char" - ;; -linux_ppc64) - GOOSARCH_in=syscall_linux_ppc64x.go - unistd_h=/usr/include/asm/unistd.h - mkerrors="$mkerrors -m64" - mksysnum="./mksysnum_linux.pl $unistd_h" - mktypes="GOARCH=$GOARCH go tool cgo -godefs" - ;; -linux_ppc64le) - GOOSARCH_in=syscall_linux_ppc64x.go - unistd_h=/usr/include/powerpc64le-linux-gnu/asm/unistd.h - mkerrors="$mkerrors -m64" - mksysnum="./mksysnum_linux.pl $unistd_h" - mktypes="GOARCH=$GOARCH go tool cgo -godefs" - ;; -linux_s390x) - GOOSARCH_in=syscall_linux_s390x.go - unistd_h=/usr/include/asm/unistd.h - mkerrors="$mkerrors -m64" - mksysnum="./mksysnum_linux.pl $unistd_h" - # Let the type of C char be signed to make the bare sys - # API more consistent between platforms. - # This is a deliberate departure from the way the syscall - # package generates its version of the types file. - mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char" - ;; linux_sparc64) GOOSARCH_in=syscall_linux_sparc64.go unistd_h=/usr/include/sparc64-linux-gnu/asm/unistd.h @@ -288,7 +174,6 @@ esac if [ -n "$mksysctl" ]; then echo "$mksysctl |gofmt >$zsysctl"; fi if [ -n "$mksysnum" ]; then echo "$mksysnum |gofmt >zsysnum_$GOOSARCH.go"; fi if [ -n "$mktypes" ]; then - echo "echo // +build $GOARCH,$GOOS > ztypes_$GOOSARCH.go"; - echo "$mktypes types_$GOOS.go | go run mkpost.go >>ztypes_$GOOSARCH.go"; + echo "$mktypes types_$GOOS.go | go run mkpost.go > ztypes_$GOOSARCH.go"; fi ) | $run |