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From: "kallisti5 at unixzen dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug go/113143] Remove usage of ucontext.h
Date: Wed, 27 Dec 2023 02:34:27 +0000 [thread overview]
Message-ID: <bug-113143-4-9SVaVDhFQZ@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-113143-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113143
--- Comment #6 from Alexander von Gluck <kallisti5 at unixzen dot com> ---
For added clairity. Searching the upstream go sources:
```
grep -R getcontext
src/cmd/vendor/golang.org/x/sys/unix/syscall_netbsd.go:// getcontext
src/cmd/vendor/golang.org/x/sys/unix/zsysnum_freebsd_386.go: SYS_GETCONTEXT
= 421 // { int getcontext(struct __ucontext *ucp); }
src/cmd/vendor/golang.org/x/sys/unix/zsysnum_freebsd_amd64.go: SYS_GETCONTEXT
= 421 // { int getcontext(struct __ucontext *ucp); }
src/cmd/vendor/golang.org/x/sys/unix/zsysnum_freebsd_arm.go: SYS_GETCONTEXT
= 421 // { int getcontext(struct __ucontext *ucp); }
src/cmd/vendor/golang.org/x/sys/unix/zsysnum_freebsd_arm64.go: SYS_GETCONTEXT
= 421 // { int getcontext(struct __ucontext *ucp); }
src/cmd/vendor/golang.org/x/sys/unix/zsysnum_netbsd_386.go: SYS_GETCONTEXT
= 307 // { int|sys||getcontext(struct __ucontext *ucp); }
src/cmd/vendor/golang.org/x/sys/unix/zsysnum_netbsd_amd64.go: SYS_GETCONTEXT
= 307 // { int|sys||getcontext(struct __ucontext *ucp); }
src/cmd/vendor/golang.org/x/sys/unix/zsysnum_netbsd_arm.go: SYS_GETCONTEXT
= 307 // { int|sys||getcontext(struct __ucontext *ucp); }
src/cmd/vendor/golang.org/x/sys/unix/zsysnum_netbsd_arm64.go: SYS_GETCONTEXT
= 307 // { int|sys||getcontext(struct __ucontext *ucp); }
src/runtime/cgo/gcc_solaris_amd64.c: if (getcontext(&ctx) != 0)
src/runtime/cgo/gcc_solaris_amd64.c: perror("runtime/cgo: getcontext
failed");
src/runtime/os3_solaris.go://go:cgo_import_dynamic libc_getcontext getcontext
"libc.so"
src/runtime/os3_solaris.go://go:linkname libc_getcontext libc_getcontext
src/runtime/os3_solaris.go: libc_getcontext,
src/runtime/os3_solaris.go:func getcontext(context *ucontext) /* int32 */ {
src/runtime/os3_solaris.go: sysvicall1(&libc_getcontext,
uintptr(unsafe.Pointer(context)))
src/runtime/os_netbsd.go:func getcontext(ctxt unsafe.Pointer)
src/runtime/os_netbsd.go: getcontext(unsafe.Pointer(&uc))
src/runtime/sys_netbsd_386.s:#define SYS_getcontext 307
src/runtime/sys_netbsd_386.s:TEXT runtime·getcontext(SB),NOSPLIT,$-4
src/runtime/sys_netbsd_386.s: MOVL $SYS_getcontext, AX
src/runtime/sys_netbsd_amd64.s:#define SYS_getcontext 307
src/runtime/sys_netbsd_amd64.s:TEXT runtime·getcontext(SB),NOSPLIT,$-8
src/runtime/sys_netbsd_amd64.s: MOVL $SYS_getcontext, AX
src/runtime/sys_netbsd_arm.s:#define SYS_getcontext
SWI_OS_NETBSD | 307
src/runtime/sys_netbsd_arm.s:TEXT runtime·getcontext(SB),NOSPLIT|NOFRAME,$0
src/runtime/sys_netbsd_arm.s: SWI $SYS_getcontext
src/runtime/sys_netbsd_arm64.s:#define SYS_getcontext 307
src/runtime/sys_netbsd_arm64.s:TEXT runtime·getcontext(SB),NOSPLIT,$-8
src/runtime/sys_netbsd_arm64.s: SVC $SYS_getcontext
src/syscall/zsysnum_freebsd_386.go: SYS_GETCONTEXT = 421 // {
int getcontext(struct __ucontext *ucp); }
src/syscall/zsysnum_freebsd_amd64.go: SYS_GETCONTEXT = 421 // {
int getcontext(struct __ucontext *ucp); }
src/syscall/zsysnum_freebsd_arm.go: SYS_GETCONTEXT = 421 // {
int getcontext(struct __ucontext *ucp); }
src/syscall/zsysnum_freebsd_arm64.go: SYS_GETCONTEXT = 421 // {
int getcontext(struct __ucontext *ucp); }
src/syscall/zsysnum_netbsd_386.go: SYS_GETCONTEXT = 307 // {
int|sys||getcontext(struct __ucontext *ucp); }
src/syscall/zsysnum_netbsd_amd64.go: SYS_GETCONTEXT = 307 // {
int|sys||getcontext(struct __ucontext *ucp); }
src/syscall/zsysnum_netbsd_arm.go: SYS_GETCONTEXT = 307 // {
int|sys||getcontext(struct __ucontext *ucp); }
src/syscall/zsysnum_netbsd_arm64.go: SYS_GETCONTEXT = 307 // {
int|sys||getcontext(struct __ucontext *ucp); }
```
Those all appear to be BSD-specific references, unless i'm missing an
invocation of (get|set|swap)context somewhere?
next prev parent reply other threads:[~2023-12-27 2:34 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-26 3:43 [Bug go/113143] New: " kallisti5 at unixzen dot com
2023-12-26 3:48 ` [Bug go/113143] " kallisti5 at unixzen dot com
2023-12-26 4:48 ` ian at airs dot com
2023-12-26 13:13 ` kallisti5 at unixzen dot com
2023-12-26 23:16 ` ian at airs dot com
2023-12-27 2:31 ` kallisti5 at unixzen dot com
2023-12-27 2:34 ` kallisti5 at unixzen dot com [this message]
2023-12-27 2:40 ` pinskia at gcc dot gnu.org
2023-12-27 3:20 ` kallisti5 at unixzen dot com
2023-12-27 3:38 ` kallisti5 at unixzen dot com
2023-12-27 23:20 ` ian at airs dot com
2023-12-29 1:45 ` kallisti5 at unixzen dot com
2023-12-30 6:26 ` ian at airs dot com
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