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mirror of https://github.com/golang/go synced 2024-11-15 03:00:36 -07:00

runtime: cleanup crashstack code

This patch removes redundant guards for the crash stack feature, as all
supported Go architectures now have a crash stack implementation.
This commit is contained in:
Mauri de Souza Meneguzzo 2024-05-06 09:05:16 -03:00
parent ff0bc4669e
commit 6ff56d6420
2 changed files with 1 additions and 32 deletions

View File

@ -13,34 +13,3 @@ TEXT ·sigpanic0(SB),NOSPLIT,$0-0
TEXT ·mapinitnoop<ABIInternal>(SB),NOSPLIT,$0-0
RET
#ifndef GOARCH_386
#ifndef GOARCH_arm
#ifndef GOARCH_amd64
#ifndef GOARCH_arm64
#ifndef GOARCH_loong64
#ifndef GOARCH_mips
#ifndef GOARCH_mipsle
#ifndef GOARCH_mips64
#ifndef GOARCH_mips64le
#ifndef GOARCH_ppc64
#ifndef GOARCH_ppc64le
#ifndef GOARCH_riscv64
#ifndef GOARCH_s390x
#ifndef GOARCH_wasm
// stub to appease shared build mode.
TEXT ·switchToCrashStack0<ABIInternal>(SB),NOSPLIT,$0-0
UNDEF
#endif
#endif
#endif
#endif
#endif
#endif
#endif
#endif
#endif
#endif
#endif
#endif
#endif
#endif

View File

@ -578,7 +578,7 @@ func switchToCrashStack(fn func()) {
// Disable crash stack on Windows for now. Apparently, throwing an exception
// on a non-system-allocated crash stack causes EXCEPTION_STACK_OVERFLOW and
// hangs the process (see issue 63938).
const crashStackImplemented = (GOARCH == "386" || GOARCH == "amd64" || GOARCH == "arm" || GOARCH == "arm64" || GOARCH == "loong64" || GOARCH == "mips" || GOARCH == "mipsle" || GOARCH == "mips64" || GOARCH == "mips64le" || GOARCH == "ppc64" || GOARCH == "ppc64le" || GOARCH == "riscv64" || GOARCH == "s390x" || GOARCH == "wasm") && GOOS != "windows"
const crashStackImplemented = GOOS != "windows"
//go:noescape
func switchToCrashStack0(fn func()) // in assembly