[Lldb-commits] [PATCH] D91264: [lldb] [test] Add a minimal test for x86 dbreg reading

[Michał Górny via Phabricator via lldb-commits]

mgorny updated this revision to Diff 304772.
mgorny added a comment.

Restrict the test to FreeBSD only.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D91264/new/

https://reviews.llvm.org/D91264

Files:
  lldb/test/Shell/Register/Inputs/x86-db-read.cpp
  lldb/test/Shell/Register/x86-db-read.test


Index: lldb/test/Shell/Register/x86-db-read.test
===================================================================
--- /dev/null
+++ lldb/test/Shell/Register/x86-db-read.test
@@ -0,0 +1,36 @@
+# Debug registers are currently printed only on FreeBSD.
+# REQUIRES: system-freebsd
+# REQUIRES: native && (target-x86 || target-x86_64) && dbregs-set
+# RUN: %clangxx_host -g %p/Inputs/x86-db-read.cpp -o %t
+# RUN: %lldb -b -s %s %t | FileCheck %s
+process launch
+# CHECK: Process {{[0-9]+}} stopped
+
+watchpoint set variable -w write g_8w
+# CHECK: Watchpoint created: Watchpoint 1: addr = 0x{{[0-9a-f]*}} size = 1 
state = enabled type = w
+watchpoint set variable -w read_write g_16rw
+# CHECK: Watchpoint created: Watchpoint 2: addr = 0x{{[0-9a-f]*}} size = 2 
state = enabled type = rw
+watchpoint set variable -w write g_32w
+# CHECK: Watchpoint created: Watchpoint 3: addr = 0x{{[0-9a-f]*}} size = 4 
state = enabled type = w
+watchpoint set variable -w read_write g_32rw
+# CHECK: Watchpoint created: Watchpoint 4: addr = 0x{{[0-9a-f]*}} size = 4 
state = enabled type = rw
+
+print &g_8w
+# CHECK: (uint8_t *) $0 = [[VAR8W:0x[0-9a-f]*]]
+print &g_16rw
+# CHECK: (uint16_t *) $1 = [[VAR16RW:0x[0-9a-f]*]]
+print &g_32w
+# CHECK: (uint32_t *) $2 = [[VAR32W:0x[0-9a-f]*]]
+print &g_32rw
+# CHECK: (uint32_t *) $3 = [[VAR64RW:0x[0-9a-f]*]]
+
+register read --all
+# CHECK-DAG: dr0 = [[VAR8W]]
+# CHECK-DAG: dr1 = [[VAR16RW]]
+# CHECK-DAG: dr2 = [[VAR32W]]
+# CHECK-DAG: dr3 = [[VAR64RW]]
+# CHECK-DAG: dr6 = 0x{{(00000000)?}}ffff0ff0
+# CHECK-DAG: dr7 = 0x{{(00000000)?}}fd7104aa
+
+process continue
+# CHECK: Process {{[0-9]+}} exited with status = 0
Index: lldb/test/Shell/Register/Inputs/x86-db-read.cpp
===================================================================
--- /dev/null
+++ lldb/test/Shell/Register/Inputs/x86-db-read.cpp
@@ -0,0 +1,12 @@
+#include <cstdint>
+#include <csignal>
+
+uint8_t g_8w;
+uint16_t g_16rw;
+uint32_t g_32w;
+uint32_t g_32rw;
+
+int main() {
+  ::raise(SIGSTOP);
+  return 0;
+}



Index: lldb/test/Shell/Register/x86-db-read.test
===================================================================
--- /dev/null
+++ lldb/test/Shell/Register/x86-db-read.test
@@ -0,0 +1,36 @@
+# Debug registers are currently printed only on FreeBSD.
+# REQUIRES: system-freebsd
+# REQUIRES: native && (target-x86 || target-x86_64) && dbregs-set
+# RUN: %clangxx_host -g %p/Inputs/x86-db-read.cpp -o %t
+# RUN: %lldb -b -s %s %t | FileCheck %s
+process launch
+# CHECK: Process {{[0-9]+}} stopped
+
+watchpoint set variable -w write g_8w
+# CHECK: Watchpoint created: Watchpoint 1: addr = 0x{{[0-9a-f]*}} size = 1 state = enabled type = w
+watchpoint set variable -w read_write g_16rw
+# CHECK: Watchpoint created: Watchpoint 2: addr = 0x{{[0-9a-f]*}} size = 2 state = enabled type = rw
+watchpoint set variable -w write g_32w
+# CHECK: Watchpoint created: Watchpoint 3: addr = 0x{{[0-9a-f]*}} size = 4 state = enabled type = w
+watchpoint set variable -w read_write g_32rw
+# CHECK: Watchpoint created: Watchpoint 4: addr = 0x{{[0-9a-f]*}} size = 4 state = enabled type = rw
+
+print &g_8w
+# CHECK: (uint8_t *) $0 = [[VAR8W:0x[0-9a-f]*]]
+print &g_16rw
+# CHECK: (uint16_t *) $1 = [[VAR16RW:0x[0-9a-f]*]]
+print &g_32w
+# CHECK: (uint32_t *) $2 = [[VAR32W:0x[0-9a-f]*]]
+print &g_32rw
+# CHECK: (uint32_t *) $3 = [[VAR64RW:0x[0-9a-f]*]]
+
+register read --all
+# CHECK-DAG: dr0 = [[VAR8W]]
+# CHECK-DAG: dr1 = [[VAR16RW]]
+# CHECK-DAG: dr2 = [[VAR32W]]
+# CHECK-DAG: dr3 = [[VAR64RW]]
+# CHECK-DAG: dr6 = 0x{{(00000000)?}}ffff0ff0
+# CHECK-DAG: dr7 = 0x{{(00000000)?}}fd7104aa
+
+process continue
+# CHECK: Process {{[0-9]+}} exited with status = 0
Index: lldb/test/Shell/Register/Inputs/x86-db-read.cpp
===================================================================
--- /dev/null
+++ lldb/test/Shell/Register/Inputs/x86-db-read.cpp
@@ -0,0 +1,12 @@
+#include <cstdint>
+#include <csignal>
+
+uint8_t g_8w;
+uint16_t g_16rw;
+uint32_t g_32w;
+uint32_t g_32rw;
+
+int main() {
+  ::raise(SIGSTOP);
+  return 0;
+}

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