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Building binaries as PIE allows the executable itself to be loaded at a random address when ASLR is enabled (not just its shared libraries). With this change PIE objects have a .pieo extension and INTERNALLIB libraries libXXX_pie.a. MK_PIE is disabled for some kerberos5 tools, Clang, and Subversion, as they explicitly reference .a libraries in their Makefiles. These can be addressed on an individual basis later. MK_PIE is also disabled for rtld-elf because it is already position-independent using bespoke Makefile rules. Currently only dynamically linked binaries will be built as PIE. Discussed with: dim Reviewed by: kib MFC after: 1 month Relnotes: Yes Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D18423 |
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| amd64 | ||
| arm | ||
| i386 | ||
| mips | ||
| powerpc | ||
| powerpc64 | ||
| riscv | ||
| sparc64 | ||
| tests | ||
| debug.c | ||
| debug.h | ||
| libmap.c | ||
| libmap.conf | ||
| libmap.h | ||
| Makefile | ||
| Makefile.depend | ||
| map_object.c | ||
| paths.h | ||
| rtld_lock.c | ||
| rtld_lock.h | ||
| rtld_malloc.c | ||
| rtld_malloc.h | ||
| rtld_printf.c | ||
| rtld_printf.h | ||
| rtld_tls.h | ||
| rtld_utrace.h | ||
| rtld.1 | ||
| rtld.c | ||
| rtld.h | ||
| Symbol.map | ||
| xmalloc.c | ||