On Tue, 9 Feb 2021 09:32:34 GMT, Kevin Walls <kev...@openjdk.org> wrote:
>>> Oops, I didn't mean to suggest the comment should go entirely. It's >>> actually very useful to say something here, as the way we use the dynamic >>> field, setting it then fixing it up. >>> Is it possible to re-add the comment in a new change? >> >> I thought your thumbs-up emoji means to agree to remove all comments. >> >> As you know, I've integrated this PR, so we need to file as a new ticket. >> I will do it and send a PR with following patch if you are ok. >> >> diff --git a/src/jdk.hotspot.agent/linux/native/libsaproc/ps_core.c >> b/src/jdk.hotspot.agent/linux/native/libsaproc/ps_core.c >> index dff4cb3eeca..9f7c4050ef2 100644 >> --- a/src/jdk.hotspot.agent/linux/native/libsaproc/ps_core.c >> +++ b/src/jdk.hotspot.agent/linux/native/libsaproc/ps_core.c >> @@ -507,7 +507,11 @@ static uintptr_t read_exec_segments(struct >> ps_prochandle* ph, ELF_EHDR* exec_ehd >> result = exec_php->p_vaddr; >> ph->core->dynamic_addr = exec_php->p_vaddr; >> } else { // ET_DYN >> + // Base address of executable is based on entry point (AT_ENTRY). >> result = ph->core->dynamic_addr - exec_ehdr->e_entry; >> + >> + // dynamic_addr has entry point of executable. >> + // Thus we should subtract it. >> ph->core->dynamic_addr += exec_php->p_vaddr - exec_ehdr->e_entry; >> } >> print_debug("address of _DYNAMIC is 0x%lx\n", ph->core->dynamic_addr); > > Thanks! @kevinjwalls I've sent PR about adding comments in #2478. I hope you review it! ------------- PR: https://git.openjdk.java.net/jdk/pull/2366