wireguard-openbsd/lib/csu/boot.h, branch jd/simplify-queueing WireGuard implementation for the OpenBSD kernel https://git.zx2c4.com/wireguard-openbsd/atom/lib/csu/boot.h?h=jd%2Fsimplify-queueing 2019-05-10T13:29:21Z ld.so boot cleanup support: 2019-05-10T13:29:21Z guenther guenther@openbsd.org 2019-05-10T13:29:21Z urn:sha1:c0197e40dd4094880fe205f9c12d3e12e14e7ff3 - put functions and data which are only used before calling the executable's start function into their own page-aligned segments for unmapping (only done on amd64, arm64, armv7, powerpc, and sparc64 so far) - pass .init_array and .preinit_array functions an addition argument which is a callback to get a structure which includes a function that frees the boot text and data - sometimes delay doing RELRO processing: for a shared-object marked DF_1_INITFIRST do it after the object's .init_array, for the executable do it after the .preinit_array - improve test-ld.so to link against libpthread and trigger its initialization late libc changes to use this will come later ok kettenis@ Make alpha less special: _dl_boot_bind() is written to complete 2018-11-22T21:37:29Z guenther guenther@openbsd.org 2018-11-22T21:37:29Z urn:sha1:c9db2c6cc9c28bf8ff81d191ed1dd7b77a021120 relocation of ld.so's GOT without using it, so _reloc_alpha_got() merely made the call to _dl_boot_bind() from asm simpler...while itself being a call that required special handling. diff and muild baking by miod@ ok guenther@ remove unused variables 2017-01-29T22:31:09Z chl chl@openbsd.org 2017-01-29T22:31:09Z urn:sha1:19e3396dabce48cbc9a8a5562e7e6647d6f8bd0a ok krw@ guenther@ Remove the (now unused) code to determine the page size. Also get rid of 2017-01-02T15:25:50Z kettenis kettenis@openbsd.org 2017-01-02T15:25:50Z urn:sha1:423200b7b320647fc3b437d61411cc8572741ec5 the extern declaration of __got_{start,end}. ok guenther@ Replace return by break; requested by guenther@ 2016-12-24T16:00:35Z kettenis kettenis@openbsd.org 2016-12-24T16:00:35Z urn:sha1:2ea781393d7639a831dc5da11c245d349638e980 Remove code that reprotects the GOT based on the __got_start and __got_end 2016-12-24T15:55:07Z kettenis kettenis@openbsd.org 2016-12-24T15:55:07Z urn:sha1:0b93ea4fad5a14dc6efaa7c660076738bf2a8f51 symbols. Either the PT_LOAD RWX->RX case ot PT_GNU_RELRO should cover this already for anything we care about. And lld, the llvm linker, doesn't emit the __got_start and __got_end symbols and there are good reasons to leave it that way. ok guenther@ A couple more unused variables. 2016-12-19T18:30:50Z krw krw@openbsd.org 2016-12-19T18:30:50Z urn:sha1:a7d4f26aff9bc0f2cc23076a528a15f5186d45e6 tweak & ok kettenis@ retire sparc 2016-09-01T09:33:30Z tedu tedu@openbsd.org 2016-09-01T09:33:30Z urn:sha1:80aa8e27005a03aff60841299da845284ab1738f Look for a PT_GNU_RELRO section and, if present, mprotect that range 2016-08-08T22:05:26Z guenther guenther@openbsd.org 2016-08-08T22:05:26Z urn:sha1:45ae28e3c073931e77538a0babb458e29c066364 instead of the [__got_start, __got_end) range. Also, instead of mprotecting the [__plt_start, __plt_end) range, just scan for sections which are both writable and executable and mprotect them to read-only. (This part was stolen from kettenis@) ok kettenis@ Teach mips64 to pass &_DYNAMIC to _dl_boot_bind(). 2016-08-07T02:44:00Z guenther guenther@openbsd.org 2016-08-07T02:44:00Z urn:sha1:55a0c4560399e8996c8f78ea46a1e2c8cb5e23c0 mips64be testing by deraadt@