gdb函数相关8——向上或向下切换函数堆栈帧

测试代码 #include <stdio.h> int func1(int a) { return 2 * a; } int func2(int a) { int c = 0; c = 2 * func1(a); return c; } int func3(int a) { int c = 0; c = 2 * func2(a); return c; } int main (

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