[Bug libdw/30967] Discriminator in Dwarf_Line_s may exceed 24 bits

2023-11-07 Thread vvvvvv at google dot com
https://sourceware.org/bugzilla/show_bug.cgi?id=30967 --- Comment #15 from Aleksei Vetrov --- Created attachment 15213 --> https://sourceware.org/bugzilla/attachment.cgi?id=15213&action=edit logger_write.cpp Attaching "logger_write.cpp" and a way to reproduce binary with big discriminator with

[Bug libdw/30967] Discriminator in Dwarf_Line_s may exceed 24 bits

2023-11-07 Thread vvvvvv at google dot com
https://sourceware.org/bugzilla/show_bug.cgi?id=30967 --- Comment #14 from Aleksei Vetrov --- Here are investigation results on why this happens in LLVM. It is a new algorithm for assigning "hierarchical discriminator for FSAFDO". >From https://reviews.llvm.org/D102246: #define BASE_DIS_BIT_B

[Bug libdw/30967] Discriminator in Dwarf_Line_s may exceed 24 bits

2023-10-31 Thread vvvvvv at google dot com
https://sourceware.org/bugzilla/show_bug.cgi?id=30967 --- Comment #12 from Aleksei Vetrov --- (In reply to Mark Wielaard from comment #6) > So my preferred workaround: > https://code.wildebeest.org/git/user/mjw/elfutils/commit/?h=really-large-disc Do you have plan to merge it to master? -- Yo

[Bug libdw/30967] Discriminator in Dwarf_Line_s may exceed 24 bits

2023-10-26 Thread vvvvvv at google dot com
https://sourceware.org/bugzilla/show_bug.cgi?id=30967 --- Comment #9 from Aleksei Vetrov --- (In reply to Frank Ch. Eigler from comment #7) > So my preferred workaround: I like this workaround and it works in our use case. > appears to be based on the assumption that truncated bitfields will no

[Bug libdw/30967] Discriminator in Dwarf_Line_s may exceed 24 bits

2023-10-26 Thread vvvvvv at google dot com
https://sourceware.org/bugzilla/show_bug.cgi?id=30967 --- Comment #4 from Aleksei Vetrov --- (In reply to Frank Ch. Eigler from comment #3) > Is there some reason not to just bump up that bitfield width from :24 to :32 > or more for now, until a deeper analysis of llvm informs us as to how wide >

[Bug libdw/30967] Discriminator in Dwarf_Line_s may exceed 24 bits

2023-10-12 Thread vvvvvv at google dot com
https://sourceware.org/bugzilla/show_bug.cgi?id=30967 --- Comment #1 from Aleksei Vetrov --- Created attachment 15166 --> https://sourceware.org/bugzilla/attachment.cgi?id=15166&action=edit liblog.so -- You are receiving this mail because: You are on the CC list for the bug.

[Bug libdw/30967] New: Discriminator in Dwarf_Line_s may exceed 24 bits

2023-10-12 Thread vvvvvv at google dot com
Component: libdw Assignee: unassigned at sourceware dot org Reporter: vv at google dot com CC: elfutils-devel at sourceware dot org Target Milestone: --- Hello! I've got a binary that have debug_line information unsupported by libdw, be