[PATCH 3/3] covoar: Fix overflow of high PC address

2021-03-12 Thread Alex White
This fixes an integer overflow that would occur if a function's high PC address were zero in the DWARF info. --- tester/covoar/ExecutableInfo.cc | 5 + 1 file changed, 5 insertions(+) diff --git a/tester/covoar/ExecutableInfo.cc b/tester/covoar/ExecutableInfo.cc index 30828a6..7f33f20 100644

Re: [PATCH 3/3] covoar: Fix overflow of high PC address

2021-03-30 Thread Alex White
ping On Fri, Mar 12, 2021 at 11:14 AM Alex White wrote: > > This fixes an integer overflow that would occur if a function's high PC > address were zero in the DWARF info. > --- >  tester/covoar/ExecutableInfo.cc | 5 + >  1 file changed, 5 insertions(+) > > diff --git a/tester/covoar/Executabl

Re: [PATCH 3/3] covoar: Fix overflow of high PC address

2021-03-30 Thread Gedare Bloom
looks ok. what happens if the high_pc is 1? Just wondering. On Tue, Mar 30, 2021 at 8:45 AM Alex White wrote: > > ping > > On Fri, Mar 12, 2021 at 11:14 AM Alex White wrote: > > > > This fixes an integer overflow that would occur if a function's high PC > > address were zero in the DWARF info. >

RE: [PATCH 3/3] covoar: Fix overflow of high PC address

2021-03-30 Thread Alex White
On Tue, Mar 30, 2021 at 10:09 AM Gedare Bloom wrote: > > looks ok. what happens if the high_pc is 1? Just wondering. Good question. :) I believe a zero-sized AddressRange is constructed and added to that symbol's CoverageMap. It is possibly wasteful, but should not cause a crash or anything.