forked from OSchip/llvm-project
[lldb-mi] Re-implement symbol-list-lines command.
Summary: Now this command uses SB API instead of HandleCommand. Reviewers: aprantl, clayborg Reviewed By: aprantl, clayborg Subscribers: ki.stfu, eraman, lldb-commits Differential Revision: https://reviews.llvm.org/D48802 llvm-svn: 336206
This commit is contained in:
Alexander Polyakov
parent
8cd1f53334
commit
8c670ec73f
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@ -0,0 +1,3 @@
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void HelpFunction(void) {
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int x = 12345;
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}
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@ -0,0 +1 @@
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void HelpFunction(void);
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@ -0,0 +1,6 @@
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#include "symbol-list-lines.h"
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int main(void) {
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int x = GetZero();
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return 0;
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}
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@ -0,0 +1,6 @@
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#include "list-lines-helper.h"
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int GetZero() {
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HelpFunction();
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return 0;
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}
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@ -0,0 +1 @@
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int GetZero();
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@ -0,0 +1 @@
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config.suffixes = ['.test']
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@ -0,0 +1,17 @@
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# RUN: %cc -o %t %p/inputs/main.c %p/inputs/symbol-list-lines.c %p/inputs/list-lines-helper.c -g
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# RUN: %lldbmi %t < %s | FileCheck %s
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# Test lldb-mi -symbol-list-lines command.
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# Check that we have a valid target created via '%lldbmi %t'.
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# CHECK: ^done
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-symbol-list-lines invalid_file.c
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# Check a case of invalid file name.
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# CHECK: ^error,msg="File Handler. Invalid file name path"
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-symbol-list-lines symbol-list-lines.c
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# CHECK: ^done,lines=[{pc="0x{{[0-9A-Fa-f]+}}",line="3"},{pc="0x{{[0-9A-Fa-f]+}}",line="4"},{pc="0x{{[0-9A-Fa-f]+}}",line="5"}]
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-symbol-list-lines list-lines-helper.c
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# CHECK: ^done,lines=[{pc="0x{{[0-9A-Fa-f]+}}",line="1"},{pc="0x{{[0-9A-Fa-f]+}}",line="2"},{pc="0x{{[0-9A-Fa-f]+}}",line="3"}]
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@ -1,5 +0,0 @@
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LEVEL = ../../../make
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CXX_SOURCES := main.cpp symbol_list_lines_inline_test.cpp symbol_list_lines_inline_test2.cpp
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include $(LEVEL)/Makefile.rules
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@ -1,18 +0,0 @@
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//===-- main.cpp ------------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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extern int j;
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extern int gfunc(int i);
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extern int gfunc2(int i);
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int
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main()
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{ // FUNC_main
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int i = gfunc(j) + gfunc2(j);
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return i == 0;
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}
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@ -1,39 +0,0 @@
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// Skip lines so we can make sure we're not seeing any lines from
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// symbol_list_lines_inline_test.h included in -symbol-list-lines
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// symbol_list_lines_inline_test.cpp, by checking that all the lines
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// are between 30 and 39.
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// line 5
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// line 6
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// line 7
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// line 8
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// line 9
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// line 10
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// line 11
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// line 12
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// line 13
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// line 14
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// line 15
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// line 16
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// line 17
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// line 18
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// line 19
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// line 20
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// line 21
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// line 22
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// line 23
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// line 24
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// line 25
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// line 26
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// line 27
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// line 28
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// line 29
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#include "symbol_list_lines_inline_test.h"
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int
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gfunc(int i)
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{ // FUNC_gfunc
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return ns::ifunc(i);
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}
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namespace ns
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{
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S s; // STRUCT_s
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}
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@ -1,24 +0,0 @@
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namespace ns
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{
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inline int
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ifunc(int i)
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{ // FUNC_ifunc
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return i;
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}
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struct S
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{
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int a;
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int b;
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S()
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: a(3)
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, b(4)
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{
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}
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int
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mfunc()
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{ // FUNC_mfunc
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return a + b;
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}
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};
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extern S s;
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}
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@ -1,38 +0,0 @@
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// Skip lines so we can make sure we're not seeing any lines from
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// symbol_list_lines_inline_test.h included in -symbol-list-lines
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// symbol_list_lines_inline_test2.cpp, by checking that all the lines
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// are between 30 and 39.
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// line 5
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// line 6
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// line 7
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// line 8
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// line 9
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// line 10
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// line 11
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// line 12
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// line 13
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// line 14
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// line 15
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// line 16
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// line 17
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// line 18
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// line 19
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// line 20
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// line 21
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// line 22
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// line 23
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// line 24
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// line 25
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// line 26
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// line 27
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// line 28
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// line 29
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#include "symbol_list_lines_inline_test.h"
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int j = 2;
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int
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gfunc2(int i)
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{ // FUNC_gfunc2
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i += ns::s.mfunc();
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i += ns::ifunc(i);
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return i == 0; // END_gfunc2
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}
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@ -10,18 +10,28 @@
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// Overview: CMICmdCmdSymbolListLines implementation.
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// Third Party Headers:
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#include "lldb/API/SBCommandInterpreter.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/Regex.h"
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#include "llvm/ADT/Twine.h"
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// In-house headers:
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#include "MICmdArgValFile.h"
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#include "MICmdCmdSymbol.h"
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#include "MICmnLLDBDebugSessionInfo.h"
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#include "MICmnMIResultRecord.h"
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#include "MICmnMIValueList.h"
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#include "MICmnMIValueTuple.h"
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#include "MICmnMIValueResult.h"
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namespace {
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const CMICmnMIValueTuple
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CreateMITuplePCLine(const uint32_t addr, const uint32_t line_number) {
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const CMICmnMIValueConst miValueConstAddr("0x" + llvm::Twine::utohexstr(addr).str());
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const CMICmnMIValueConst miValueConstLine(llvm::Twine(line_number).str());
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const CMICmnMIValueResult miValueResultAddr("pc", miValueConstAddr);
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const CMICmnMIValueResult miValueResultLine("line", miValueConstLine);
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CMICmnMIValueTuple miValueTuple(miValueResultAddr);
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miValueTuple.Add(miValueResultLine);
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return miValueTuple;
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}
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} // namespace
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//++
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//------------------------------------------------------------------------------------
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@ -32,7 +42,7 @@
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// Throws: None.
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//--
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CMICmdCmdSymbolListLines::CMICmdCmdSymbolListLines()
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: m_constStrArgNameFile("file") {
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: m_resultList(false), m_constStrArgNameFile("file") {
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// Command factory matches this name with that received from the stdin stream
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m_strMiCmd = "symbol-list-lines";
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@ -84,93 +94,51 @@ bool CMICmdCmdSymbolListLines::ParseArgs() {
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bool CMICmdCmdSymbolListLines::Execute() {
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CMICMDBASE_GETOPTION(pArgFile, File, m_constStrArgNameFile);
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const CMIUtilString &strFilePath(pArgFile->GetValue());
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const CMIUtilString strCmd(CMIUtilString::Format(
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"source info --file \"%s\"", strFilePath.AddSlashes().c_str()));
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CMICmnLLDBDebugSessionInfo &rSessionInfo(
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CMICmnLLDBDebugSessionInfo::Instance());
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const lldb::ReturnStatus rtn =
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rSessionInfo.GetDebugger().GetCommandInterpreter().HandleCommand(
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strCmd.c_str(), m_lldbResult);
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MIunused(rtn);
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return MIstatus::success;
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}
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//++
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//------------------------------------------------------------------------------------
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// Details: Helper function for parsing the header returned from lldb for the
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// command:
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// target modules dump line-table <file>
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// where the header is of the format:
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// Line table for /path/to/file in `/path/to/module
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// Args: input - (R) Input string to parse.
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// file - (W) String representing the file.
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// Return: bool - True = input was parsed successfully, false = input could not
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// be parsed.
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// Throws: None.
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//--
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static bool ParseLLDBLineAddressHeader(const char *input, CMIUtilString &file) {
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// Match LineEntry using regex.
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static llvm::Regex g_lineentry_header_regex(llvm::StringRef(
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"^ *Lines found for file (.+) in compilation unit (.+) in `(.+)$"));
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// ^1=file ^2=cu
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// ^3=module
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llvm::SmallVector<llvm::StringRef, 4> match;
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const bool ok = g_lineentry_header_regex.match(input, &match);
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if (ok)
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file = match[1];
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return ok;
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}
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//++
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//------------------------------------------------------------------------------------
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// Details: Helper function for parsing a line entry returned from lldb for the
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// command:
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// target modules dump line-table <file>
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// where the line entry is of the format:
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// 0x0000000100000e70: /path/to/file:3002[:4]
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// addr file line column(opt)
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// Args: input - (R) Input string to parse.
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// addr - (W) String representing the pc address.
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// file - (W) String representing the file.
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// line - (W) String representing the line.
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// Return: bool - True = input was parsed successfully, false = input could not
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// be parsed.
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// Throws: None.
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//--
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static bool ParseLLDBLineAddressEntry(const char *input, CMIUtilString &addr,
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CMIUtilString &file,
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CMIUtilString &line) {
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// Note: Ambiguities arise because the column is optional, and
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// because : can appear in filenames or as a byte in a multibyte
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// UTF8 character. We keep those cases to a minimum by using regex
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// to work on the string from both the left and right, so that what
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// is remains is assumed to be the filename.
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// Match LineEntry using regex.
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static llvm::Regex g_lineentry_nocol_regex(llvm::StringRef(
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"^ *\\[(0x[0-9a-fA-F]+)-(0x[0-9a-fA-F]+)\\): (.+):([0-9]+)$"));
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static llvm::Regex g_lineentry_col_regex(llvm::StringRef(
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"^ *\\[(0x[0-9a-fA-F]+)-(0x[0-9a-fA-F]+)\\): (.+):([0-9]+):[0-9]+$"));
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// ^1=start ^2=end ^3=f ^4=line
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// ^5=:col(opt)
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llvm::SmallVector<llvm::StringRef, 6> match;
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// First try matching the LineEntry with the column,
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// then try without the column.
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const bool ok = g_lineentry_col_regex.match(input, &match) ||
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g_lineentry_nocol_regex.match(input, &match);
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if (ok) {
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addr = match[1];
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file = match[3];
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line = match[4];
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const auto &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
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if (rSessionInfo.GetTarget() == rSessionInfo.GetDebugger().GetDummyTarget()) {
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SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_INVALID_TARGET_CURRENT),
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m_cmdData.strMiCmd.c_str()));
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return MIstatus::failure;
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}
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return ok;
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const lldb::SBFileSpec source_file_spec(pArgFile->GetValue().c_str(), true);
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const char *source_file_name = source_file_spec.GetFilename();
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const char *source_file_directory = source_file_spec.GetDirectory();
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const bool has_path = source_file_directory;
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lldb::SBSymbolContextList sc_cu_list =
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CMICmnLLDBDebugSessionInfo::Instance().GetTarget().FindCompileUnits(
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source_file_spec);
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bool found_something = false;
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for (uint32_t i = 0, e = sc_cu_list.GetSize(); i < e; ++i) {
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const lldb::SBCompileUnit cu =
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sc_cu_list.GetContextAtIndex(i).GetCompileUnit();
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for (uint32_t j = 0, e = cu.GetNumLineEntries(); j < e; ++j) {
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const lldb::SBLineEntry line = cu.GetLineEntryAtIndex(j);
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const lldb::SBFileSpec line_spec = line.GetFileSpec();
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if (line_spec.GetFilename() == source_file_name) {
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if (has_path && (line_spec.GetDirectory() != source_file_directory))
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continue;
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// We don't need a line with start address equals to end one,
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// so just skip it.
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const lldb::SBAddress line_start_address = line.GetStartAddress();
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const lldb::SBAddress line_end_address = line.GetEndAddress();
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if (line_start_address == line_end_address)
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continue;
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// We have a matching line.
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found_something = true;
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m_resultList.Add(CreateMITuplePCLine(
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line_start_address.GetFileAddress(),
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line.GetLine()));
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}
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}
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}
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if (!found_something) {
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SetError(MIRSRC(IDS_UTIL_FILE_ERR_INVALID_PATHNAME));
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return MIstatus::failure;
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}
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return MIstatus::success;
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}
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//++
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@ -185,71 +153,11 @@ static bool ParseLLDBLineAddressEntry(const char *input, CMIUtilString &addr,
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// Throws: None.
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//--
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bool CMICmdCmdSymbolListLines::Acknowledge() {
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if (m_lldbResult.GetErrorSize() > 0) {
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const char *pLldbErr = m_lldbResult.GetError();
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const CMIUtilString strMsg(CMIUtilString(pLldbErr).StripCRAll());
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const CMICmnMIValueConst miValueConst(strMsg);
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const CMICmnMIValueResult miValueResult("message", miValueConst);
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const CMICmnMIResultRecord miRecordResult(
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m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error,
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miValueResult);
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m_miResultRecord = miRecordResult;
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} else {
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CMIUtilString::VecString_t vecLines;
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const CMIUtilString strLldbMsg(m_lldbResult.GetOutput());
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const MIuint nLines(strLldbMsg.SplitLines(vecLines));
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// Parse the file from the header.
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const CMIUtilString &rWantFile(vecLines[0]);
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CMIUtilString strWantFile;
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if (!ParseLLDBLineAddressHeader(rWantFile.c_str(), strWantFile)) {
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// Unexpected error - parsing failed.
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// MI print "%s^error,msg=\"Command '-symbol-list-lines'. Error: Line
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// address header is absent or has an unknown format.\""
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const CMICmnMIValueConst miValueConst(CMIUtilString::Format(
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MIRSRC(IDS_CMD_ERR_SOME_ERROR), m_cmdData.strMiCmd.c_str(),
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"Line address header is absent or has an unknown format."));
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const CMICmnMIValueResult miValueResult("msg", miValueConst);
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const CMICmnMIResultRecord miRecordResult(
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m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error,
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miValueResult);
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m_miResultRecord = miRecordResult;
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return MIstatus::success;
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}
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// Parse the line address entries.
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CMICmnMIValueList miValueList(true);
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for (MIuint i = 1; i < nLines; ++i) {
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// String looks like:
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// 0x0000000100000e70: /path/to/file:3[:4]
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const CMIUtilString &rLine(vecLines[i]);
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CMIUtilString strAddr;
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CMIUtilString strFile;
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CMIUtilString strLine;
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if (!ParseLLDBLineAddressEntry(rLine.c_str(), strAddr, strFile, strLine))
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continue;
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const CMICmnMIValueConst miValueConst(strAddr);
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const CMICmnMIValueResult miValueResult("pc", miValueConst);
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CMICmnMIValueTuple miValueTuple(miValueResult);
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const CMICmnMIValueConst miValueConst2(strLine);
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const CMICmnMIValueResult miValueResult2("line", miValueConst2);
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miValueTuple.Add(miValueResult2);
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miValueList.Add(miValueTuple);
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}
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// MI print "%s^done,lines=[{pc=\"%d\",line=\"%d\"}...]"
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const CMICmnMIValueResult miValueResult("lines", miValueList);
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const CMICmnMIResultRecord miRecordResult(
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m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done,
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miValueResult);
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m_miResultRecord = miRecordResult;
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}
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// MI print "%s^done,lines=[{pc=\"%d\",line=\"%d\"}...]"
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const CMICmnMIValueResult miValueResult("lines", m_resultList);
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m_miResultRecord = CMICmnMIResultRecord(
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m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done,
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miValueResult);
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return MIstatus::success;
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}
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@ -24,10 +24,10 @@
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#pragma once
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// Third party headers:
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#include "lldb/API/SBCommandReturnObject.h"
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// In-house headers:
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#include "MICmdBase.h"
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#include "MICmnMIValueList.h"
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//++
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//============================================================================
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|
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@ -55,6 +55,6 @@ public:
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// Attributes:
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private:
|
||||
lldb::SBCommandReturnObject m_lldbResult;
|
||||
CMICmnMIValueList m_resultList;
|
||||
const CMIUtilString m_constStrArgNameFile;
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in New Issue