Hello, everyone.
I have met a problem when I used mips gcc to compile a simple test file.
The file defines two variables as bellow.
const char *h_errlist[] = {
"Resolver Error 0 (no error)",
"Unknown host", /* 1 HOST_NOT_FOUND */
"Host name lookup failure", /* 2 TRY_AGAIN */
"Unknown server error", /* 3 NO_RECOVERY */
"No address associated with name", /* 4 NO_ADDRESS */
};
int h_nerr = { sizeof h_errlist / sizeof h_errlist[0] };
I found that with the -fdata-sections option, the size of the data section
in the library genereated by the file has changed. The results are as bellow.
without -fdata-sections:
00010d20 <h_nerr>:
10d20: 00000005 00000000 00000000 00000000 ................
00010d30 <h_errlist>:
10d30: 00000c24 00000c40 00000c50 00000c6c ...$...@...P...l
10d40: 00000c84 00000000 00000000 00000000 ................
with -fdata-sections:
00010d30 <h_errlist>:
10d30: 00000c30 00000c4c 00000c5c 00000c78 ...0...L...\...x
10d40: 00000c90 ....
00010d44 <h_nerr>:
10d44: 00000005 00000000 00000000 ............
I tested it with the compilers of other architectures, and found that
they all keep the same size.
I have totally no idea how the mips gcc compiler acts with the .data section.
BTW, my gcc version : 4.1.1
binutils version:2.17.50
glibc:2.5
Thank you for your help!
Best Regards,
robert
