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DATA_SECTION分配变量地址

1 根据自己指定顺序分别指定变量地址,如下代码所示。意想的地址分配应该是从a开始,h的地址最大。

#pragma DATA_SECTION (a,"ramgs0")
#pragma DATA_SECTION (b,"ramgs0")
#pragma DATA_SECTION (c,"ramgs0")
#pragma DATA_SECTION (d,"ramgs0")
#pragma DATA_SECTION (e,"ramgs0")
#pragma DATA_SECTION (f,"ramgs0")
#pragma DATA_SECTION (g,"ramgs0")
#pragma DATA_SECTION (h,"ramgs0")
float c = 1.0;
float a = 1.0;
float b = 1.0;
float d = 1.0;
float e = 40000.345;
int f = 2;
int g = 1;
char h = 'a';

实际运行结果:

显然上面结果不符合要求,这个问题怎么解决?