| """ |
| Test lldb-mi -data-xxx commands. |
| """ |
| |
| from __future__ import print_function |
| |
| |
| import unittest2 |
| import lldbmi_testcase |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class MiDataTestCase(lldbmi_testcase.MiTestCaseBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @skipIfRemote # We do not currently support remote debugging via the MI. |
| @skipIfWindows # llvm.org/pr24452: Get lldb-mi tests working on Windows |
| @skipIfDarwin # pexpect is known to be unreliable on Darwin |
| @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races |
| def test_lldbmi_data_disassemble(self): |
| """Test that 'lldb-mi --interpreter' works for -data-disassemble.""" |
| |
| self.spawnLldbMi(args=None) |
| |
| # Load executable |
| self.runCmd("-file-exec-and-symbols %s" % self.myexe) |
| self.expect("\^done") |
| |
| # Run to main |
| self.runCmd("-break-insert -f main") |
| self.expect("\^done,bkpt={number=\"1\"") |
| self.runCmd("-exec-run") |
| self.expect("\^running") |
| self.expect("\*stopped,reason=\"breakpoint-hit\"") |
| |
| # Get an address for disassembling: use main |
| self.runCmd("-data-evaluate-expression main") |
| self.expect( |
| "\^done,value=\"0x[0-9a-f]+ \(a.out`main at main.cpp:[0-9]+\)\"") |
| addr = int(self.child.after.split("\"")[1].split(" ")[0], 16) |
| |
| # Test -data-disassemble: try to disassemble some address |
| self.runCmd( |
| "-data-disassemble -s %#x -e %#x -- 0" % |
| (addr, addr + 0x10)) |
| self.expect( |
| "\^done,asm_insns=\[{address=\"0x0*%x\",func-name=\"main\",offset=\"0\",size=\"[1-9]+\",inst=\".+?\"}," % |
| addr) |
| |
| # Test -data-disassemble without "--" |
| self.runCmd("-data-disassemble -s %#x -e %#x 0" % (addr, addr + 0x10)) |
| self.expect( |
| "\^done,asm_insns=\[{address=\"0x0*%x\",func-name=\"main\",offset=\"0\",size=\"[1-9]+\",inst=\".+?\"}," % |
| addr) |
| |
| # Run to hello_world |
| self.runCmd("-break-insert -f hello_world") |
| self.expect("\^done,bkpt={number=\"2\"") |
| self.runCmd("-exec-continue") |
| self.expect("\^running") |
| self.expect("\*stopped,reason=\"breakpoint-hit\"") |
| |
| # Get an address for disassembling: use hello_world |
| self.runCmd("-data-evaluate-expression hello_world") |
| self.expect( |
| "\^done,value=\"0x[0-9a-f]+ \(a.out`hello_world\(\) at main.cpp:[0-9]+\)\"") |
| addr = int(self.child.after.split("\"")[1].split(" ")[0], 16) |
| |
| # Test -data-disassemble: try to disassemble some address |
| self.runCmd( |
| "-data-disassemble -s %#x -e %#x -- 0" % |
| (addr, addr + 0x10)) |
| |
| # This matches a line similar to: |
| # Darwin: {address="0x0000000100000f18",func-name="hello_world()",offset="8",size="7",inst="leaq 0x65(%rip), %rdi; \"Hello, World!\\n\""}, |
| # Linux: {address="0x0000000000400642",func-name="hello_world()",offset="18",size="5",inst="callq 0x4004d0; symbol stub for: printf"} |
| # To match the escaped characters in the ouptut, we must use four backslashes per matches backslash |
| # See https://docs.python.org/2/howto/regex.html#the-backslash-plague |
| |
| # The MIPS and PPC64le disassemblers never print stub name |
| if self.isMIPS() or self.isPPC64le(): |
| self.expect(["{address=\"0x[0-9a-f]+\",func-name=\"hello_world\(\)\",offset=\"[0-9]+\",size=\"[0-9]+\",inst=\".+?; \\\\\"Hello, World!\\\\\\\\n\\\\\"\"}", |
| "{address=\"0x[0-9a-f]+\",func-name=\"hello_world\(\)\",offset=\"[0-9]+\",size=\"[0-9]+\",inst=\".+?\"}"]) |
| else: |
| self.expect(["{address=\"0x[0-9a-f]+\",func-name=\"hello_world\(\)\",offset=\"[0-9]+\",size=\"[0-9]+\",inst=\".+?; \\\\\"Hello, World!\\\\\\\\n\\\\\"\"}", |
| "{address=\"0x[0-9a-f]+\",func-name=\"hello_world\(\)\",offset=\"[0-9]+\",size=\"[0-9]+\",inst=\".+?; symbol stub for: printf\"}"]) |
| |
| @skipIfRemote # We do not currently support remote debugging via the MI. |
| @skipIfWindows # llvm.org/pr24452: Get lldb-mi tests working on Windows |
| @skipIfDarwin # pexpect is known to be unreliable on Darwin |
| @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races |
| def test_lldbmi_data_read_memory_bytes_global(self): |
| """Test that -data-read-memory-bytes can access global buffers.""" |
| |
| self.spawnLldbMi(args=None) |
| |
| # Load executable |
| self.runCmd("-file-exec-and-symbols %s" % self.myexe) |
| self.expect("\^done") |
| |
| # Run to main |
| self.runCmd("-break-insert -f main") |
| self.expect("\^done,bkpt={number=\"1\"") |
| self.runCmd("-exec-run") |
| self.expect("\^running") |
| self.expect("\*stopped,reason=\"breakpoint-hit\"") |
| |
| # Get address of char[] (global) |
| self.runCmd("-data-evaluate-expression &g_CharArray") |
| self.expect("\^done,value=\"0x[0-9a-f]+\"") |
| addr = int(self.child.after.split("\"")[1], 16) |
| size = 5 |
| |
| # Test that -data-read-memory-bytes works for char[] type (global) |
| self.runCmd("-data-read-memory-bytes %#x %d" % (addr, size)) |
| self.expect( |
| "\^done,memory=\[{begin=\"0x0*%x\",offset=\"0x0+\",end=\"0x0*%x\",contents=\"1011121300\"}\]" % |
| (addr, addr + size)) |
| |
| # Get address of static char[] |
| self.runCmd("-data-evaluate-expression &s_CharArray") |
| self.expect("\^done,value=\"0x[0-9a-f]+\"") |
| addr = int(self.child.after.split("\"")[1], 16) |
| size = 5 |
| |
| # Test that -data-read-memory-bytes works for static char[] type |
| self.runCmd("-data-read-memory-bytes %#x %d" % (addr, size)) |
| self.expect( |
| "\^done,memory=\[{begin=\"0x0*%x\",offset=\"0x0+\",end=\"0x0*%x\",contents=\"2021222300\"}\]" % |
| (addr, addr + size)) |
| |
| @skipIfRemote # We do not currently support remote debugging via the MI. |
| @skipIfWindows # llvm.org/pr24452: Get lldb-mi tests working on Windows |
| @skipIfDarwin # pexpect is known to be unreliable on Darwin |
| @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races |
| def test_lldbmi_data_read_memory_bytes_local(self): |
| """Test that -data-read-memory-bytes can access local buffers.""" |
| |
| self.spawnLldbMi(args=None) |
| |
| # Load executable |
| self.runCmd('-file-exec-and-symbols %s' % self.myexe) |
| self.expect(r'\^done') |
| |
| # Run to BP_local_array_test_inner |
| line = line_number('main.cpp', '// BP_local_array_test_inner') |
| self.runCmd('-break-insert main.cpp:%d' % line) |
| self.expect(r'\^done,bkpt=\{number="1"') |
| self.runCmd('-exec-run') |
| self.expect(r'\^running') |
| self.expect(r'\*stopped,reason="breakpoint-hit"') |
| |
| # Get address of local char[] |
| self.runCmd('-data-evaluate-expression "(void *)&array"') |
| self.expect(r'\^done,value="0x[0-9a-f]+"') |
| addr = int(self.child.after.split('"')[1], 16) |
| size = 4 |
| |
| # Test that an unquoted hex literal address works |
| self.runCmd('-data-read-memory-bytes %#x %d' % (addr, size)) |
| self.expect( |
| r'\^done,memory=\[\{begin="0x0*%x",offset="0x0+",end="0x0*%x",contents="01020304"\}\]' % |
| (addr, addr + size)) |
| |
| # Test that a double-quoted hex literal address works |
| self.runCmd('-data-read-memory-bytes "%#x" %d' % (addr, size)) |
| self.expect( |
| r'\^done,memory=\[\{begin="0x0*%x",offset="0x0+",end="0x0*%x",contents="01020304"\}\]' % |
| (addr, addr + size)) |
| |
| # Test that unquoted expressions work |
| self.runCmd('-data-read-memory-bytes &array %d' % size) |
| self.expect( |
| r'\^done,memory=\[\{begin="0x0*%x",offset="0x0+",end="0x0*%x",contents="01020304"\}\]' % |
| (addr, addr + size)) |
| |
| # This doesn't work, and perhaps that makes sense, but it does work on |
| # GDB |
| self.runCmd('-data-read-memory-bytes array 4') |
| self.expect(r'\^error') |
| #self.expect(r'\^done,memory=\[\{begin="0x0*%x",offset="0x0+",end="0x0*%x",contents="01020304"\}\]' % (addr, addr + size)) |
| |
| self.runCmd('-data-read-memory-bytes &array[2] 2') |
| self.expect( |
| r'\^done,memory=\[\{begin="0x0*%x",offset="0x0+",end="0x0*%x",contents="0304"\}\]' % |
| (addr + 2, addr + size)) |
| |
| self.runCmd('-data-read-memory-bytes first_element_ptr %d' % size) |
| self.expect( |
| r'\^done,memory=\[\{begin="0x0*%x",offset="0x0+",end="0x0*%x",contents="01020304"\}\]' % |
| (addr, addr + size)) |
| |
| # Test that double-quoted expressions work |
| self.runCmd('-data-read-memory-bytes "&array" %d' % size) |
| self.expect( |
| r'\^done,memory=\[\{begin="0x0*%x",offset="0x0+",end="0x0*%x",contents="01020304"\}\]' % |
| (addr, addr + size)) |
| |
| self.runCmd('-data-read-memory-bytes "&array[0] + 1" 3') |
| self.expect( |
| r'\^done,memory=\[\{begin="0x0*%x",offset="0x0+",end="0x0*%x",contents="020304"\}\]' % |
| (addr + 1, addr + size)) |
| |
| self.runCmd('-data-read-memory-bytes "first_element_ptr + 1" 3') |
| self.expect( |
| r'\^done,memory=\[\{begin="0x0*%x",offset="0x0+",end="0x0*%x",contents="020304"\}\]' % |
| (addr + 1, addr + size)) |
| |
| # Test the -o (offset) option |
| self.runCmd('-data-read-memory-bytes -o 1 &array 3') |
| self.expect( |
| r'\^done,memory=\[\{begin="0x0*%x",offset="0x0+",end="0x0*%x",contents="020304"\}\]' % |
| (addr + 1, addr + size)) |
| |
| # Test the --thread option |
| self.runCmd('-data-read-memory-bytes --thread 1 &array 4') |
| self.expect( |
| r'\^done,memory=\[\{begin="0x0*%x",offset="0x0+",end="0x0*%x",contents="01020304"\}\]' % |
| (addr, addr + size)) |
| |
| # Test the --thread option with an invalid value |
| self.runCmd('-data-read-memory-bytes --thread 999 &array 4') |
| self.expect(r'\^error') |
| |
| # Test the --frame option (current frame) |
| self.runCmd('-data-read-memory-bytes --frame 0 &array 4') |
| self.expect( |
| r'\^done,memory=\[\{begin="0x0*%x",offset="0x0+",end="0x0*%x",contents="01020304"\}\]' % |
| (addr, addr + size)) |
| |
| # Test the --frame option (outer frame) |
| self.runCmd('-data-read-memory-bytes --frame 1 &array 4') |
| self.expect( |
| r'\^done,memory=\[\{begin="0x[0-9a-f]+",offset="0x0+",end="0x[0-9a-f]+",contents="05060708"\}\]') |
| |
| # Test the --frame option with an invalid value |
| self.runCmd('-data-read-memory-bytes --frame 999 &array 4') |
| self.expect(r'\^error') |
| |
| # Test all the options at once |
| self.runCmd( |
| '-data-read-memory-bytes --thread 1 --frame 1 -o 2 &array 2') |
| self.expect( |
| r'\^done,memory=\[\{begin="0x[0-9a-f]+",offset="0x0+",end="0x[0-9a-f]+",contents="0708"\}\]') |
| |
| # Test that an expression that references undeclared variables doesn't |
| # work |
| self.runCmd( |
| '-data-read-memory-bytes "&undeclared_array1 + undeclared_array2[1]" 2') |
| self.expect(r'\^error') |
| |
| # Test that the address argument is required |
| self.runCmd('-data-read-memory-bytes') |
| self.expect(r'\^error') |
| |
| # Test that the count argument is required |
| self.runCmd('-data-read-memory-bytes &array') |
| self.expect(r'\^error') |
| |
| # Test that the address and count arguments are required when other |
| # options are present |
| self.runCmd('-data-read-memory-bytes --thread 1') |
| self.expect(r'\^error') |
| |
| self.runCmd('-data-read-memory-bytes --thread 1 --frame 0') |
| self.expect(r'\^error') |
| |
| # Test that the count argument is required when other options are |
| # present |
| self.runCmd('-data-read-memory-bytes --thread 1 &array') |
| self.expect(r'\^error') |
| |
| @skipIfRemote # We do not currently support remote debugging via the MI. |
| @skipIfWindows # llvm.org/pr24452: Get lldb-mi tests working on Windows |
| @skipIfDarwin # pexpect is known to be unreliable on Darwin |
| @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races |
| def test_lldbmi_data_list_register_names(self): |
| """Test that 'lldb-mi --interpreter' works for -data-list-register-names.""" |
| |
| self.spawnLldbMi(args=None) |
| |
| # Load executable |
| self.runCmd("-file-exec-and-symbols %s" % self.myexe) |
| self.expect("\^done") |
| |
| # Run to main |
| self.runCmd("-break-insert -f main") |
| self.expect("\^done,bkpt={number=\"1\"") |
| self.runCmd("-exec-run") |
| self.expect("\^running") |
| self.expect("\*stopped,reason=\"breakpoint-hit\"") |
| |
| # Test -data-list-register-names: try to get all registers |
| self.runCmd("-data-list-register-names") |
| self.expect("\^done,register-names=\[\".+?\",") |
| |
| # Test -data-list-register-names: try to get specified registers |
| self.runCmd("-data-list-register-names 0") |
| self.expect("\^done,register-names=\[\".+?\"\]") |
| |
| @skipIfRemote # We do not currently support remote debugging via the MI. |
| @skipIfWindows # llvm.org/pr24452: Get lldb-mi tests working on Windows |
| @skipIfDarwin # pexpect is known to be unreliable on Darwin |
| @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races |
| def test_lldbmi_data_list_register_values(self): |
| """Test that 'lldb-mi --interpreter' works for -data-list-register-values.""" |
| |
| self.spawnLldbMi(args=None) |
| |
| # Load executable |
| self.runCmd("-file-exec-and-symbols %s" % self.myexe) |
| self.expect("\^done") |
| |
| # Run to main |
| self.runCmd("-break-insert -f main") |
| self.expect("\^done,bkpt={number=\"1\"") |
| self.runCmd("-exec-run") |
| self.expect("\^running") |
| self.expect("\*stopped,reason=\"breakpoint-hit\"") |
| |
| # Test -data-list-register-values: try to get all registers |
| self.runCmd("-data-list-register-values x") |
| self.expect( |
| "\^done,register-values=\[{number=\"0\",value=\"0x[0-9a-f]+\"") |
| |
| # Test -data-list-register-values: try to get specified registers |
| self.runCmd("-data-list-register-values x 0") |
| self.expect( |
| "\^done,register-values=\[{number=\"0\",value=\"0x[0-9a-f]+\"}\]") |
| |
| @skipIfRemote # We do not currently support remote debugging via the MI. |
| @skipIfWindows # llvm.org/pr24452: Get lldb-mi tests working on Windows |
| @skipIfDarwin # pexpect is known to be unreliable on Darwin |
| @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races |
| def test_lldbmi_data_info_line(self): |
| """Test that 'lldb-mi --interpreter' works for -data-info-line.""" |
| |
| self.spawnLldbMi(args=None) |
| |
| # Load executable |
| self.runCmd("-file-exec-and-symbols %s" % self.myexe) |
| self.expect("\^done") |
| |
| # Run to main |
| self.runCmd("-break-insert -f main") |
| self.expect("\^done,bkpt={number=\"1\"") |
| self.runCmd("-exec-run") |
| self.expect("\^running") |
| self.expect("\*stopped,reason=\"breakpoint-hit\"") |
| |
| # Get the address of main and its line |
| self.runCmd("-data-evaluate-expression main") |
| self.expect( |
| "\^done,value=\"0x[0-9a-f]+ \(a.out`main at main.cpp:[0-9]+\)\"") |
| addr = int(self.child.after.split("\"")[1].split(" ")[0], 16) |
| line = line_number('main.cpp', '// FUNC_main') |
| |
| # Test that -data-info-line works for address |
| self.runCmd("-data-info-line *%#x" % addr) |
| self.expect( |
| "\^done,start=\"0x0*%x\",end=\"0x[0-9a-f]+\",file=\".+?main.cpp\",line=\"%d\"" % |
| (addr, line)) |
| |
| # Test that -data-info-line works for file:line |
| self.runCmd("-data-info-line main.cpp:%d" % line) |
| self.expect( |
| "\^done,start=\"0x0*%x\",end=\"0x[0-9a-f]+\",file=\".+?main.cpp\",line=\"%d\"" % |
| (addr, line)) |
| |
| # Test that -data-info-line fails when invalid address is specified |
| self.runCmd("-data-info-line *0x0") |
| self.expect( |
| "\^error,msg=\"Command 'data-info-line'\. Error: The LineEntry is absent or has an unknown format\.\"") |
| |
| # Test that -data-info-line fails when file is unknown |
| self.runCmd("-data-info-line unknown_file:1") |
| self.expect( |
| "\^error,msg=\"Command 'data-info-line'\. Error: The LineEntry is absent or has an unknown format\.\"") |
| |
| # Test that -data-info-line fails when line has invalid format |
| self.runCmd("-data-info-line main.cpp:bad_line") |
| self.expect( |
| "\^error,msg=\"error: invalid line number string 'bad_line'") |
| self.runCmd("-data-info-line main.cpp:0") |
| self.expect("\^error,msg=\"error: zero is an invalid line number") |
| |
| @skipIfRemote # We do not currently support remote debugging via the MI. |
| @skipIfWindows # llvm.org/pr24452: Get lldb-mi tests working on Windows |
| @skipIfDarwin # pexpect is known to be unreliable on Darwin |
| @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races |
| def test_lldbmi_data_evaluate_expression(self): |
| """Test that 'lldb-mi --interpreter' works for -data-evaluate-expression.""" |
| |
| self.spawnLldbMi(args=None) |
| |
| # Load executable |
| self.runCmd("-file-exec-and-symbols %s" % self.myexe) |
| self.expect("\^done") |
| |
| line = line_number('main.cpp', '// BP_local_2d_array_test') |
| self.runCmd('-break-insert main.cpp:%d' % line) |
| self.expect("\^done,bkpt={number=\"1\"") |
| self.runCmd("-exec-run") |
| self.expect("\^running") |
| self.expect("\*stopped,reason=\"breakpoint-hit\"") |
| |
| # Check 2d array |
| self.runCmd("-data-evaluate-expression array2d") |
| self.expect( |
| "\^done,value=\"\{\[0\] = \{\[0\] = 1, \[1\] = 2, \[2\] = 3\}, \[1\] = \{\[0\] = 4, \[1\] = 5, \[2\] = 6\}\}\"") |
