Skip to content

[lldb] Update qRegisterInfo docs to recommend target.xml #69853

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Oct 21, 2023
Merged

[lldb] Update qRegisterInfo docs to recommend target.xml #69853

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 8 additions & 4 deletions lldb/docs/lldb-gdb-remote.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -581,11 +581,15 @@ read packet: <binary data>/E<error code>;AAAAAAAAA
// will get picked up automatically, and allows registers to change
// depending on the actual CPU type that is used.
//
// NB: As of summer 2015, lldb can get register information from the
// "qXfer:features:read:target.xml" FSF gdb standard register packet
// where the stub provides register definitions in an XML file.
// NB: qRegisterInfo is deprecated in favor of the standard gdb remote
// serial protocol register description method,
// "qXfer:features:read:target.xml".
// If qXfer:features:read:target.xml is supported, qRegisterInfo does
// not need to be implemented.
// not need to be implemented. The target.xml format is used by most
// gdb RSP stubs whereas qRegisterInfo was an lldb-only design.
// qRegisterInfo requires one packet per register and can have undesirable
// performance costs at the start of a debug session, whereas target.xml
// may be able to describe all registers in a single packet.
//----------------------------------------------------------------------

With LLDB, for register information, remote GDB servers can add
Expand Down