用于在C中存储立即字符串的内存会话

char *globalstr = \"immediate global string\";
char globalbuf[] = \"immediate global array of chars\";
int main(int argc, char* argv[]) {
    char *str = \"immediate string\";
    char buf[] = \"immediate array of chars\";
    return 0;
}

char *str

char *str

.rodata

$ readelf --hex-dump=.rodata foo

Hex dump of section \'.rodata\':
  0x00400688 01000200 696d6d65 64696174 6520676c ....immediate gl
  0x00400698 6f62616c 20737472 696e6700 696d6d65 obal string.imme
  0x004006a8 64696174 65207374 72696e67 00       diate string.

$ readelf --hex-dump=.text foo

Hex dump of section \'.text\':
...
  0x00400510 00000048 85c07408 bf480e60 00c9ffe0 ...H..t..H.`....
  0x00400520 c9c39090 554889e5 4883ec50 897dbc48 ....UH..H..P.}.H
  0x00400530 8975b064 488b0425 28000000 488945f8 .u.dH..%(...H.E.
  0x00400540 31c048c7 45c8a406 4000c745 d0696d6d 1.H.E...@..E.imm
  0x00400550 65c745d4 64696174 c745d865 206172c7 e.E.diat.E.e ar.
  0x00400560 45dc7261 7920c745 e06f6620 63c745e4 E.ray .E.of c.E.
  0x00400570 68617273 c645e800 b8000000 00488b55 hars.E.......H.U
  0x00400580 f8644833 14252800 00007405 e897feff .dH3.%(...t.....
...

char buf[]

.data

$ readelf --hex-dump=.data foo

Hex dump of section \'.data\':
  0x00601020 00000000 00000000 00000000 00000000 ................
  0x00601030 00000000 00000000 00000000 00000000 ................
  0x00601040 8c064000 00000000 00000000 00000000 ..@.............
  0x00601050 00000000 00000000 00000000 00000000 ................
  0x00601060 696d6d65 64696174 6520676c 6f62616c immediate global
  0x00601070 20617272 6179206f 66206368 61727300  array of chars.

.text