Hi Milian, On Wed, 2020-12-30 at 16:51 +0100, Milian Wolff wrote: > I stumbled upon a strange behavior while symbolizing a perf.data file > with > hotspot/perfparser/elfutils that I have trouble understanding. I hope it's ok > to send this call for help here. > > I'm running with elfutils 0.181, g++ 10.2, glibc 2.32 on archlinux with > kernel > 5.9.14. > [...] > So here, the address `0x555555555a40` should come from the second mapping, > which has an offset 0x0 and starts at `0x555555555000` and has a size of > `0x1000`. How can that possibly map to the `main` symbol which has an offset > of `0x1a40`? > > Does anyone know what's going on here?
Isn't this simply the ELF file being loaded/mmapped in separate (overlapping) chunks? What does eu-readelf -l show? Is the address/offset range loaded/mmapped executable? Cheers, Mark
