From ea306ae625d001a43ef20163739593a21be51f97 Mon Sep 17 00:00:00 2001 From: Ian Lance Taylor Date: Fri, 11 Dec 2015 17:16:48 -0800 Subject: runtime: support symbolic backtrace of C code in a cgo crash The new function runtime.SetCgoTraceback may be used to register stack traceback and symbolizer functions, written in C, to do a stack traceback from cgo code. There is a sample implementation of runtime.SetCgoSymbolizer at github.com/ianlancetaylor/cgosymbolizer. Just importing that package is sufficient to get symbolic C backtraces. Currently only supported on linux/amd64. Change-Id: If96ee2eb41c6c7379d407b9561b87557bfe47341 Reviewed-on: https://go-review.googlesource.com/17761 Reviewed-by: Austin Clements --- src/runtime/sys_linux_arm64.s | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src/runtime/sys_linux_arm64.s') diff --git a/src/runtime/sys_linux_arm64.s b/src/runtime/sys_linux_arm64.s index 94c101a3d4..1bee8477ed 100644 --- a/src/runtime/sys_linux_arm64.s +++ b/src/runtime/sys_linux_arm64.s @@ -259,6 +259,10 @@ TEXT runtime·sigtramp(SB),NOSPLIT,$24 BL (R0) RET +TEXT runtime·cgoSigtramp(SB),NOSPLIT,$0 + MOVD $runtime·sigtramp(SB), R3 + B (R3) + TEXT runtime·mmap(SB),NOSPLIT,$-8 MOVD addr+0(FP), R0 MOVD n+8(FP), R1 -- cgit v1.3-5-g9baa