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程序代码如下:
#include 对于代码中标记的那行,写与不写占用的内存如下图 cmd文件如下: MEMORY[ PAGE 0: MMR : origin = 0000000h, length = 00000c0h SPRAM : origin = 00000c0h, length = 0000040h VECS : origin = 0000100h, length = 0000100h DARAM0 : origin = 0000200h, length = 0003E00h DARAM1 : origin = 0004000h, length = 0004000h DARAM2 : origin = 0008000h, length = 0004000h DARAM3 : origin = 000c000h, length = 0004000h SARAM0 : origin = 0010000h, length = 0004000h SARAM1 : origin = 0014000h, length = 0005000h SARAM2 : origin = 0019000h, length = 0003000h SARAM3 : origin = 001c000h, length = 0004000h SARAM4 : origin = 0020000h, length = 0004000h SARAM5 : origin = 0024000h, length = 0004000h SARAM6 : origin = 0028000h, length = 0004000h SARAM7 : origin = 002c000h, length = 0004000h SARAM8 : origin = 0030000h, length = 0004000h SARAM9 : origin = 0034000h, length = 0004000h SARAM10 : origin = 0038000h, length = 0004000h SARAM11 : origin = 003c000h, length = 0004000h SARAM12 : origin = 0040000h, length = 0004000h SARAM13 : origin = 0044000h, length = 0004000h SARAM14 : origin = 0048000h, length = 0004000h SARAM15 : origin = 004c000h, length = 0004000h CE0 : origin = 0050000h, length = 03b0000h CE1 : origin = 0400000h, length = 0400000h CE2 : origin = 0800000h, length = 0400000h CE3 : origin = 0c00000h, length = 03f8000h PDROM : origin = 0ff8000h, length = 07f00h /* VECS : origin = 0ffff00h, length = 00100h */ /* reset vector */]SECTIONS[ vectors : [] > VECS PAGE 0 /* interrupt vector table */ .cinit : [] > SARAM0 PAGE 0 .text : [] > SARAM1 PAGE 0 isrs : [] > SARAM2 PAGE 0 .stack : [] > SARAM4 PAGE 0 .sysstack: [] > SARAM4 PAGE 0 .sysmem : [] > SARAM5 PAGE 0 .data : [] > SARAM3 PAGE 0 .bss : [] > SARAM3 PAGE 0 .const : [] > SARAM6 PAGE 0 .cio : [] > SARAM6 PAGE 0 .csldata: [] > SARAM7 PAGE 0] 所以,请问为何printf函数为何会占用这么多的内存? |
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