fanzha02 f52b4ec63d cmd/compile: enable Asan check for global variables ... With this patch, -asan option can detect the error memory access to global variables. So this patch makes a few changes: 1. Add the asanregisterglobals runtime support function, which calls asan runtime function _asan_register_globals to register global variables. 2. Create a new initialization function for the package being compiled. This function initializes an array of instrumented global variables and pass it to function runtime.asanregisterglobals. An instrumented global variable has trailing redzone. 3. Writes the new size of instrumented global variables that have trailing redzones into object file. 4. Notice that the current implementation is only compatible with the ASan library from version v7 to v9. Therefore, using the -asan option requires that the gcc version is not less than 7 and the clang version is less than 4, otherwise a segmentation fault will occur. So this patch adds a check on whether the compiler being used is a supported version in cmd/go. Updates #44853. Change-Id: Ib877a817209ab2be68a8e22c418fe4a4a20880fc Reviewed-on: https://go-review.googlesource.com/c/go/+/401775 Reviewed-by: Ian Lance Taylor <iant@google.com> Reviewed-by: Bryan Mills <bcmills@google.com> Run-TryBot: Bryan Mills <bcmills@google.com> Auto-Submit: Bryan Mills <bcmills@google.com> TryBot-Result: Gopher Robot <gobot@golang.org>		2022-05-04 16:13:20 +00:00
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android
arm
cgo	cmd/compile: enable Asan check for global variables	2022-05-04 16:13:20 +00:00
chrome/gophertool
ios	all: gofmt main repo	2022-04-11 16:34:30 +00:00
linkcheck
reboot	misc/reboot: don't use symlinks when copying GOROOT/src	2022-02-08 15:30:12 +00:00
swig
wasm
editors
go.mod