On Thu, Apr 20, 2023 at 05:21:37PM -0600, Theo de Raadt wrote: > I wonder if the same happens on arm64.
On amd64 with the strange behavior linking gapdummy.o to gap.o adds a .plt. root@ot32:.../obj# objdump -s gapdummy.o | grep 'Contents of section' Contents of section .note.gnu.property: root@ot32:.../obj# objdump -s gap.o | grep 'Contents of section' Contents of section .text: Contents of section .rodata: Contents of section .data: Contents of section .plt: Contents of section .note.gnu.property: On arm64 we get the .note.gnu.property, but no .plt. No .plt in bsd. root@ot11:.../obj# objdump -s gapdummy.o | grep 'Contents of section' Contents of section .note.gnu.property: Contents of section .comment: root@ot11:.../obj# objdump -s gap.o | grep 'Contents of section' Contents of section .text: Contents of section .rodata: Contents of section .data: Contents of section .comment: Contents of section .note.gnu.property: With my fix (compiling -fcf-protection=none gapdummy.c) on amd64 neither .note.gnu.property nor .plt is added. bluhm@t430s:.../obj$ objdump -s gapdummy.o | grep 'Contents of section' bluhm@t430s:.../obj$ objdump -s gap.o | grep 'Contents of section' Contents of section .text: Contents of section .rodata: Contents of section .data: Don't know if we want to change anything on arm64. bluhm
