On Wed, 28 Apr 2021 17:00:13 GMT, Andrew Leonard <aleon...@openjdk.org> wrote:
>> make/common/NativeCompilation.gmk line 982: >> >>> 980: >>> 981: else ifeq ($(call isTargetOs, macosx), true) >>> 982: $1_DEBUGINFO_FILES := \ >> >> This looks like you are just copying the linked binary and calling it >> .debuginfo. Is the idea that the original binary then gets stripped and this >> is just saving the unstripped binary? I don't know how things are done in >> AIX, but this seems like a rather strange way of achieving external symbol >> information to me. > > You're essentially correct Erik, on AIX there is no such tool as OBJCOPY on > Linux platforms, so you cannot physically remove the symbolic information > from the native compiled object. So this CREATE_DEBUG_INFO_CMDS copies the > object containing symbols, prior to the STRIP_CMD being executed as part of > the make of $$($1_TARGET) recipe: > > $$($1_CREATE_DEBUGINFO_CMDS) > $$($1_STRIP_CMD) > > The external debuginfo is then passed by the user of AIX dbx using -B > <.debuginfo> > > You make a good point though that this looks confusing, so I will update the > PR with a comment to this rule. > thanks I've added a comment in the make file in the refresh ------------- PR: https://git.openjdk.java.net/jdk/pull/3763