From 2a0e84c8dbe0dba5bd5f5ef652f61a1fd1e8d0fb Mon Sep 17 00:00:00 2001 From: Jon Turney Date: Wed, 1 Jul 2020 14:00:53 +0100 Subject: [PATCH] Cygwin: Make dumper scan more than first 4GB of VM on x86_64 It's unclear that we need an end address here at all, or can just rely on VirtualQueryEx() failing when we reach the end of memory regions. --- winsup/utils/dumper.cc | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/winsup/utils/dumper.cc b/winsup/utils/dumper.cc index dcf01e800..ccc4bd12f 100644 --- a/winsup/utils/dumper.cc +++ b/winsup/utils/dumper.cc @@ -296,7 +296,7 @@ dumper::collect_memory_sections () return 0; LPBYTE current_page_address; - LPBYTE last_base = (LPBYTE) 0xFFFFFFFF; + LPBYTE last_base = (LPBYTE) -1; SIZE_T last_size = (SIZE_T) 0; SIZE_T done; @@ -307,7 +307,7 @@ dumper::collect_memory_sections () if (hProcess == NULL) return 0; - for (current_page_address = 0; current_page_address < (LPBYTE) 0xFFFF0000;) + for (current_page_address = 0; current_page_address < (LPBYTE) -1;) { if (!VirtualQueryEx (hProcess, current_page_address, &mbi, sizeof (mbi))) break;