1 //===-- main.c --------------------------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 #include <stdio.h> 10 11 // This simple program is to test the lldb Python APIs SBTarget, SBFrame, 12 // SBFunction, SBSymbol, and SBAddress. 13 // 14 // When stopped on breakppint 1, we can get the line entry using SBFrame API 15 // SBFrame.GetLineEntry(). We'll get the start address for the the line entry 16 // with the SBAddress type, resolve the symbol context using the SBTarget API 17 // SBTarget.ResolveSymbolContextForAddress() in order to get the SBSymbol. 18 // 19 // We then stop at breakpoint 2, get the SBFrame, and the the SBFunction object. 20 // 21 // The address from calling GetStartAddress() on the symbol and the function 22 // should point to the same address, and we also verify that. 23 24 int a(int); 25 int b(int); 26 int c(int); 27 28 int a(int val) 29 { 30 if (val <= 1) // Find the line number for breakpoint 1 here. 31 val = b(val); 32 else if (val >= 3) 33 val = c(val); 34 35 return val; // Find the line number for breakpoint 2 here. 36 } 37 38 int b(int val) 39 { 40 return c(val); 41 } 42 43 int c(int val) 44 { 45 return val + 3; 46 } 47 48 int main (int argc, char const *argv[]) 49 { 50 int A1 = a(1); // a(1) -> b(1) -> c(1) 51 printf("a(1) returns %d\n", A1); 52 53 int B2 = b(2); // b(2) -> c(2) 54 printf("b(2) returns %d\n", B2); 55 56 int A3 = a(3); // a(3) -> c(3) 57 printf("a(3) returns %d\n", A3); 58 59 return 0; 60 } 61
