zig objcopy: --only-section stopped working as expected #25196
Description
Zig Version
0.15.1
Steps to Reproduce and Observed Behavior
cat << EOF > example.S
.section .text
.global _start
_start:
mov x0, 1
EOF
zig cc -target aarch64-freestanding -O0 example.S -o example.elf
zig objcopy -O binary --only-section=.text example.elf example.asmbin
On zig 0.15.1 output file example.asmbin contains all sections somehow:
$ hexdump -C example.asmbin
00000000 20 00 80 d2 74 00 00 00 04 00 00 00 00 00 08 01 | ...t...........|
00000010 00 00 00 00 20 01 01 01 00 00 00 00 24 01 01 01 |.... .......$...|
*
00000080 17 11 01 12 01 03 08 1b 08 25 08 13 05 00 00 02 |.........%......|
00000090 0a 00 03 08 3a 06 3b 06 11 01 00 00 00 2c 00 00 |....:.;......,..|
000000a0 00 02 00 00 00 00 00 08 00 00 00 00 00 20 01 01 |............. ..|
000000b0 01 00 00 00 00 04 00 00 00 00 00 00 00 00 00 00 |................|
000000c0 00 00 00 00 00 00 00 00 00 00 00 00 00 38 00 00 |.............8..|
000000d0 00 04 00 21 00 00 00 01 01 01 fb 0e 0d 00 01 01 |...!............|
000000e0 01 01 00 00 00 01 00 00 01 00 65 78 61 6d 70 6c |..........exampl|
000000f0 65 2e 53 00 00 00 00 00 00 09 02 20 01 01 01 00 |e.S........ ....|
00000100 00 00 00 15 02 04 00 01 01 4c 69 6e 6b 65 72 3a |.........Linker:|
00000110 20 4c 4c 44 20 32 30 2e 31 2e 38 00 00 00 00 00 | LLD 20.1.8.....|
00000120 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
*
000001b0 10 00 00 00 10 00 01 00 20 01 01 01 00 00 00 00 |........ .......|
000001c0 00 00 00 00 00 00 00 00 00 2e 74 65 78 74 00 2e |..........text..|
000001d0 64 65 62 75 67 5f 69 6e 66 6f 00 2e 64 65 62 75 |debug_info..debu|
000001e0 67 5f 61 62 62 72 65 76 00 2e 64 65 62 75 67 5f |g_abbrev..debug_|
000001f0 61 72 61 6e 67 65 73 00 2e 64 65 62 75 67 5f 6c |aranges..debug_l|
00000200 69 6e 65 00 2e 63 6f 6d 6d 65 6e 74 00 2e 73 79 |ine..comment..sy|
00000210 6d 74 61 62 00 2e 73 68 73 74 72 74 61 62 00 2e |mtab..shstrtab..|
00000220 73 74 72 74 61 62 00 00 24 78 00 24 64 00 24 64 |strtab..$x.$d.$d|
00000230 00 24 64 00 24 64 00 5f 73 74 61 72 74 00 00 00 |.$d.$d._start...|
00000240 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
*
00000320
Expected Behavior
But on zig 0.14.1 output is:
$ hexdump -C example.asmbin
00000000 20 00 80 d2 | ...|
00000004