https://github.com/Jlalond created
https://github.com/llvm/llvm-project/pull/142200
Despite a great review from @labath, I accidentally landed the signal with the
UID and PID properties flipped. I was actually trying to write tests for this
feature when I discovered it.
This fixes that bug, and add a shell test that runs only on Nix systems.
>From b19ac1c3d1c5bd7af2fcea80a2b472b9a05c57de Mon Sep 17 00:00:00 2001
From: Jacob Lalonde <jalalo...@fb.com>
Date: Fri, 30 May 2025 12:02:02 -0700
Subject: [PATCH] Flip and add test
---
lldb/test/Shell/Register/Core/Inputs/tkill.cpp | 10 ++++++++++
.../Register/Core/Inputs/x86-64-linux-tkill.core | Bin 0 -> 8048 bytes
.../Shell/Register/Core/x86-64-linux-tkill.test | 6 ++++++
3 files changed, 16 insertions(+)
create mode 100644 lldb/test/Shell/Register/Core/Inputs/tkill.cpp
create mode 100644 lldb/test/Shell/Register/Core/Inputs/x86-64-linux-tkill.core
create mode 100644 lldb/test/Shell/Register/Core/x86-64-linux-tkill.test
diff --git a/lldb/test/Shell/Register/Core/Inputs/tkill.cpp
b/lldb/test/Shell/Register/Core/Inputs/tkill.cpp
new file mode 100644
index 0000000000000..79310c7f26b52
--- /dev/null
+++ b/lldb/test/Shell/Register/Core/Inputs/tkill.cpp
@@ -0,0 +1,10 @@
+#include <sys/syscall.h>
+#include <signal.h>
+
+int main() {
+ // Get the current thread ID
+ pid_t tid = syscall(SYS_gettid);
+ // Send a SIGSEGV signal to the current thread
+ syscall(SYS_tkill, tid, SIGSEGV);
+ return 0;
+}
diff --git a/lldb/test/Shell/Register/Core/Inputs/x86-64-linux-tkill.core
b/lldb/test/Shell/Register/Core/Inputs/x86-64-linux-tkill.core
new file mode 100644
index
0000000000000000000000000000000000000000..3d1a05a34e7ca001108fd3c45c6f68ba5d379a9a
GIT binary patch
literal 8048
zcmeHMO=w(I6h4iywfNKN!nXdPPf&@3%uHg8?Lv9Bq;X)-N7_hTO(vP3(J>h^6Dfk`
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z;-hrOmj}*kCCBFjM;XHzL=CuE2S-1YF`UU~lW{sYxRVr|K@hjz0av^FoKN`6e4QL0
z{k8DYDb5WC$M`5?IJ1vh7~f`(xHfQG?|tx3{2uc#F3OlcvtqY!4#@1bE*uuul`FNE
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zI>%?!pT04eW0_WpF1vjr4*j-QD(a0nrEI*pSgmH4R~x34NUl<Dlyj@~g_U~ljdHbI
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zyUZUsDmdp)v_~A&a>}1+C&zR-BXw}XPuQLu5uERH#!n6iPIr)rCdUJ3dz^N1DwiWs
z2M3Dgg`5Z+=YGaR&I1l}h<0)sa1^d_?lE!icIvph8K&?q$KCuC`{!Ma`(>PV=px^k
zbu<BcZ)a<dNAWGze6_xkt1iw>jO*uow!WO55OuBGWaC?Dj&6pr-l)tE4;ydUe0J=J
zGq#<qer<lfR38}~9U04yjpv^oJ))x=bppKg8dXNBi%YAgM@}D}7?~K?F^?r;-idm(
zZ_Pce4g!4^@Sa+W4kT`PD?@cjZf{4YMzV4THAB?-P;pEZ3rCNYg6YC5FPxl|Qb}uL
zD%~vEXV63$)wZ3Yy)SJBH1|8B2-$#|>SE!gnNv#duZi1hb^OxfHa_2D``as9H()dw
z`z1AKzGQDefBi1{8R#Jcxh|!LuCA+Tw{L@Pop$@xrW-!~tB#y_ak5x^E;qNhl$$Hp
YUsuGZ*bU#W?`L2qGjMWd#{75tU*eM_V*mgE
literal 0
HcmV?d00001
diff --git a/lldb/test/Shell/Register/Core/x86-64-linux-tkill.test
b/lldb/test/Shell/Register/Core/x86-64-linux-tkill.test
new file mode 100644
index 0000000000000..240b1e9f8b2d6
--- /dev/null
+++ b/lldb/test/Shell/Register/Core/x86-64-linux-tkill.test
@@ -0,0 +1,6 @@
+# XFAIL: system-darwin
+# XFAIL: system-windows
+# RUN: %lldb -b -s %s -c %p/Inputs/x86-64-linux-tkill.test | FileCheck %s
+
+thread list
+# CHECK: * thread #1, name = 'tkill.out', stop reason = SIGSEGV: sent by tkill
system call (sender pid=649752, uid=2667987)
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