Vendor import of lldb trunk r256945:vendor/lldb/lldb-trunk-r256945

https://llvm.org/svn/llvm-project/lldb/trunk@256945

6 files changed, 183 insertions, 0 deletions

diff --git a/packages/Python/lldbsuite/test/functionalities/archives/Makefile b/packages/Python/lldbsuite/test/functionalities/archives/Makefile
new file mode 100644
index 000000000000..64da83becbda
--- /dev/null
+++ b/packages/Python/lldbsuite/test/functionalities/archives/Makefile
@@ -0,0 +1,9 @@
+LEVEL = ../../make
+
+C_SOURCES := main.c
+
+MAKE_DSYM := NO
+ARCHIVE_NAME := libfoo.a
+ARCHIVE_C_SOURCES := a.c b.c
+
+include $(LEVEL)/Makefile.rules
diff --git a/packages/Python/lldbsuite/test/functionalities/archives/README b/packages/Python/lldbsuite/test/functionalities/archives/README
new file mode 100644
index 000000000000..d327f4585c67
--- /dev/null
+++ b/packages/Python/lldbsuite/test/functionalities/archives/README
@@ -0,0 +1,62 @@
+a.out file refers to libfoo.a for a.o and b.o, which is what we want to accomplish for
+this test case.
+
+[16:17:44] johnny:/Volumes/data/lldb/svn/latest/test/functionalities/archives $ dsymutil -s a.out 
+----------------------------------------------------------------------
+Symbol table for: 'a.out' (x86_64)
+----------------------------------------------------------------------
+Index    n_strx   n_type             n_sect n_desc n_value
+======== -------- ------------------ ------ ------ ----------------
+[     0] 00000002 64 (N_SO         ) 00     0000   0000000000000000 '/Volumes/data/lldb/svn/latest/test/functionalities/archives/'
+[     1] 0000003f 64 (N_SO         ) 00     0000   0000000000000000 'main.c'
+[     2] 00000046 66 (N_OSO        ) 03     0001   000000004f0f780c '/Volumes/data/lldb/svn/latest/test/functionalities/archives/main.o'
+[     3] 00000001 2e (N_BNSYM      ) 01     0000   0000000100000d70
+[     4] 00000089 24 (N_FUN        ) 01     0000   0000000100000d70 '_main'
+[     5] 00000001 24 (N_FUN        ) 00     0000   000000000000005d
+[     6] 00000001 4e (N_ENSYM      ) 01     0000   000000000000005d
+[     7] 00000001 64 (N_SO         ) 01     0000   0000000000000000
+[     8] 00000002 64 (N_SO         ) 00     0000   0000000000000000 '/Volumes/data/lldb/svn/latest/test/functionalities/archives/'
+[     9] 0000008f 64 (N_SO         ) 00     0000   0000000000000000 'a.c'
+[    10] 00000093 66 (N_OSO        ) 03     0001   000000004f0f780c '/Volumes/data/lldb/svn/latest/test/functionalities/archives/libfoo.a(a.o)'
+[    11] 00000001 2e (N_BNSYM      ) 01     0000   0000000100000dd0
+[    12] 000000dd 24 (N_FUN        ) 01     0000   0000000100000dd0 '_a'
+[    13] 00000001 24 (N_FUN        ) 00     0000   0000000000000020
+[    14] 00000001 4e (N_ENSYM      ) 01     0000   0000000000000020
+[    15] 00000001 2e (N_BNSYM      ) 01     0000   0000000100000df0
+[    16] 000000e0 24 (N_FUN        ) 01     0000   0000000100000df0 '_aa'
+[    17] 00000001 24 (N_FUN        ) 00     0000   0000000000000018
+[    18] 00000001 4e (N_ENSYM      ) 01     0000   0000000000000018
+[    19] 000000e4 20 (N_GSYM       ) 00     0000   0000000000000000 '___a_global'
+[    20] 00000001 64 (N_SO         ) 01     0000   0000000000000000
+[    21] 00000002 64 (N_SO         ) 00     0000   0000000000000000 '/Volumes/data/lldb/svn/latest/test/functionalities/archives/'
+[    22] 000000f0 64 (N_SO         ) 00     0000   0000000000000000 'b.c'
+[    23] 000000f4 66 (N_OSO        ) 03     0001   000000004f0f780c '/Volumes/data/lldb/svn/latest/test/functionalities/archives/libfoo.a(b.o)'
+[    24] 00000001 2e (N_BNSYM      ) 01     0000   0000000100000e10
+[    25] 0000013e 24 (N_FUN        ) 01     0000   0000000100000e10 '_b'
+[    26] 00000001 24 (N_FUN        ) 00     0000   0000000000000020
+[    27] 00000001 4e (N_ENSYM      ) 01     0000   0000000000000020
+[    28] 00000001 2e (N_BNSYM      ) 01     0000   0000000100000e30
+[    29] 00000141 24 (N_FUN        ) 01     0000   0000000100000e30 '_bb'
+[    30] 00000001 24 (N_FUN        ) 00     0000   0000000000000018
+[    31] 00000001 4e (N_ENSYM      ) 01     0000   0000000000000018
+[    32] 00000145 26 (N_STSYM      ) 0a     0000   000000010000104c '___b_global'
+[    33] 00000001 64 (N_SO         ) 01     0000   0000000000000000
+[    34] 00000151 0e (     SECT    ) 07     0000   0000000100001000 '_pvars'
+[    35] 00000158 0e (     SECT    ) 0a     0000   000000010000104c '___b_global'
+[    36] 00000164 0f (     SECT EXT) 0b     0000   0000000100001050 '_NXArgc'
+[    37] 0000016c 0f (     SECT EXT) 0b     0000   0000000100001058 '_NXArgv'
+[    38] 00000174 0f (     SECT EXT) 0a     0000   0000000100001048 '___a_global'
+[    39] 00000180 0f (     SECT EXT) 0b     0000   0000000100001068 '___progname'
+[    40] 0000018c 03 (     ABS  EXT) 01     0010   0000000100000000 '__mh_execute_header'
+[    41] 000001a0 0f (     SECT EXT) 01     0000   0000000100000dd0 '_a'
+[    42] 000001a3 0f (     SECT EXT) 01     0000   0000000100000df0 '_aa'
+[    43] 000001a7 0f (     SECT EXT) 01     0000   0000000100000e10 '_b'
+[    44] 000001aa 0f (     SECT EXT) 01     0000   0000000100000e30 '_bb'
+[    45] 000001ae 0f (     SECT EXT) 0b     0000   0000000100001060 '_environ'
+[    46] 000001b7 0f (     SECT EXT) 01     0000   0000000100000d70 '_main'
+[    47] 000001bd 0f (     SECT EXT) 01     0000   0000000100000d30 'start'
+[    48] 000001c3 01 (     UNDF EXT) 00     0100   0000000000000000 '_exit'
+[    49] 000001c9 01 (     UNDF EXT) 00     0100   0000000000000000 '_printf'
+[    50] 000001d1 01 (     UNDF EXT) 00     0100   0000000000000000 'dyld_stub_binder'
+
+
diff --git a/packages/Python/lldbsuite/test/functionalities/archives/TestBSDArchives.py b/packages/Python/lldbsuite/test/functionalities/archives/TestBSDArchives.py
new file mode 100644
index 000000000000..02e1b9551853
--- /dev/null
+++ b/packages/Python/lldbsuite/test/functionalities/archives/TestBSDArchives.py
@@ -0,0 +1,57 @@
+"""Test breaking inside functions defined within a BSD archive file libfoo.a."""
+
+from __future__ import print_function
+
+
+
+import os, time
+import lldb
+from lldbsuite.test.lldbtest import *
+import lldbsuite.test.lldbutil as lldbutil
+
+class BSDArchivesTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Find the line number in a(int) to break at.
+        self.line = line_number('a.c', '// Set file and line breakpoint inside a().')
+
+    @expectedFailureWindows("llvm.org/pr24527") # Makefile.rules doesn't know how to build static libs on Windows.
+    def test(self):
+        """Break inside a() and b() defined within libfoo.a."""
+        self.build()
+
+        exe = os.path.join(os.getcwd(), "a.out")
+        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+        # Break inside a() by file and line first.
+        lldbutil.run_break_set_by_file_and_line (self, "a.c", self.line, num_expected_locations=1, loc_exact=True)
+
+        self.runCmd("run", RUN_SUCCEEDED)
+
+        # The stop reason of the thread should be breakpoint.
+        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+            substrs = ['stopped',
+                       'stop reason = breakpoint'])
+
+        # Break at a(int) first.
+        self.expect("frame variable", VARIABLES_DISPLAYED_CORRECTLY,
+            substrs = ['(int) arg = 1'])
+        self.expect("frame variable __a_global", VARIABLES_DISPLAYED_CORRECTLY,
+            substrs = ['(int) __a_global = 1'])
+
+        # Set breakpoint for b() next.
+        lldbutil.run_break_set_by_symbol (self, "b", num_expected_locations=1, sym_exact=True)
+
+        # Continue the program, we should break at b(int) next.
+        self.runCmd("continue")
+        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+            substrs = ['stopped',
+                       'stop reason = breakpoint'])
+        self.expect("frame variable", VARIABLES_DISPLAYED_CORRECTLY,
+            substrs = ['(int) arg = 2'])
+        self.expect("frame variable __b_global", VARIABLES_DISPLAYED_CORRECTLY,
+            substrs = ['(int) __b_global = 2'])
diff --git a/packages/Python/lldbsuite/test/functionalities/archives/a.c b/packages/Python/lldbsuite/test/functionalities/archives/a.c
new file mode 100644
index 000000000000..2b6ebbe47a76
--- /dev/null
+++ b/packages/Python/lldbsuite/test/functionalities/archives/a.c
@@ -0,0 +1,19 @@
+//===-- a.c -----------------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+int __a_global = 1;
+
+int a(int arg) {
+    int result = arg + __a_global;
+    return result; // Set file and line breakpoint inside a().
+}
+
+int aa(int arg1) {
+    int result1 = arg1 - __a_global;
+    return result1;
+}
diff --git a/packages/Python/lldbsuite/test/functionalities/archives/b.c b/packages/Python/lldbsuite/test/functionalities/archives/b.c
new file mode 100644
index 000000000000..51d77dd4bcdc
--- /dev/null
+++ b/packages/Python/lldbsuite/test/functionalities/archives/b.c
@@ -0,0 +1,19 @@
+//===-- b.c -----------------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+static int __b_global = 2;
+
+int b(int arg) {
+    int result = arg + __b_global;
+    return result;
+}
+
+int bb(int arg1) {
+    int result2 = arg1 - __b_global;
+    return result2;
+}
diff --git a/packages/Python/lldbsuite/test/functionalities/archives/main.c b/packages/Python/lldbsuite/test/functionalities/archives/main.c
new file mode 100644
index 000000000000..c5b1cc2f0d1c
--- /dev/null
+++ b/packages/Python/lldbsuite/test/functionalities/archives/main.c
@@ -0,0 +1,17 @@
+//===-- main.c --------------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+#include <stdio.h>
+
+extern int a(int);
+extern int b(int);
+int main (int argc, char const *argv[])
+{
+    printf ("a(1) returns %d\n", a(1));
+    printf ("b(2) returns %d\n", b(2));
+}