[Lldb-commits] [lldb] [LLDB] Add SI_USER and SI_KERNEL to Linux signals (PR #144800)

[Jacob Lalonde via lldb-commits]

https://github.com/Jlalond updated https://github.com/llvm/llvm-project/pull/144800

>From 157b5a5177784bc2ce4e8bf952c812aedd5be258 Mon Sep 17 00:00:00 2001
From: Jacob Lalonde <jalalonde at fb.com>
Date: Wed, 18 Jun 2025 14:35:37 -0700
Subject: [PATCH 1/2] Add SI_USER and SI_KERNEL to Linux signals

---
 lldb/source/Plugins/Process/Utility/LinuxSignals.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lldb/source/Plugins/Process/Utility/LinuxSignals.cpp b/lldb/source/Plugins/Process/Utility/LinuxSignals.cpp
index 15a77ce227ec5..4c49bde936965 100644
--- a/lldb/source/Plugins/Process/Utility/LinuxSignals.cpp
+++ b/lldb/source/Plugins/Process/Utility/LinuxSignals.cpp
@@ -65,6 +65,10 @@
 // See siginfo.h in the Linux Kernel, these codes can be sent for any signal.
 #define ADD_LINUX_SIGNAL(signo, name, ...)                                     \
   AddSignal(signo, name, __VA_ARGS__);                                         \
+  ADD_SIGCODE(signo, signo, SI_USER, 0, "sent by kill, sigsend or raise",      \
+              SignalCodePrintOption::Sender);                                  \
+  ADD_SIGCODE(signo, signo, SI_KERNEL, 0x80, "sent by kernel",                 \
+              SignalCodePrintOption::Sender);                                  \
   ADD_SIGCODE(signo, signo, SI_QUEUE, -1, "sent by sigqueue",                  \
               SignalCodePrintOption::Sender);                                  \
   ADD_SIGCODE(signo, signo, SI_TIMER, -2, "sent by timer expiration",          \

>From 67b397b0435aba9b6217114de09216a39cca40c5 Mon Sep 17 00:00:00 2001
From: Jacob Lalonde <jalalonde at fb.com>
Date: Tue, 24 Jun 2025 09:39:00 -0700
Subject: [PATCH 2/2] Add SI_KERNEL into the description as well.

---
 lldb/source/Plugins/Process/Utility/LinuxSignals.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lldb/source/Plugins/Process/Utility/LinuxSignals.cpp b/lldb/source/Plugins/Process/Utility/LinuxSignals.cpp
index 4c49bde936965..5346babc18576 100644
--- a/lldb/source/Plugins/Process/Utility/LinuxSignals.cpp
+++ b/lldb/source/Plugins/Process/Utility/LinuxSignals.cpp
@@ -67,7 +67,7 @@
   AddSignal(signo, name, __VA_ARGS__);                                         \
   ADD_SIGCODE(signo, signo, SI_USER, 0, "sent by kill, sigsend or raise",      \
               SignalCodePrintOption::Sender);                                  \
-  ADD_SIGCODE(signo, signo, SI_KERNEL, 0x80, "sent by kernel",                 \
+  ADD_SIGCODE(signo, signo, SI_KERNEL, 0x80, "sent by kernel (SI_KERNEL)",     \
               SignalCodePrintOption::Sender);                                  \
   ADD_SIGCODE(signo, signo, SI_QUEUE, -1, "sent by sigqueue",                  \
               SignalCodePrintOption::Sender);                                  \