[llvm-branch-commits] [compiler-rt] release/21.x: [compiler-rt] Remove leftovers of FreeBSD md5/sha2 interceptors (#153351) (PR #155718)

[via llvm-branch-commits]

https://github.com/llvmbot created https://github.com/llvm/llvm-project/pull/155718

Backport 5abec20b25be01866b1c6f75f6f45426d2b4f87b

Requested by: @alexrp

>From 060e75750faa28876596d8b5695973bdf22e0b51 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex at alexrp.com>
Date: Sun, 24 Aug 2025 23:52:08 +0200
Subject: [PATCH] [compiler-rt] Remove leftovers of FreeBSD md5/sha2
 interceptors (#153351)

This code was added in 18a7ebda99044473fdbce6376993714ff54e6690, but was
not properly reverted in d0b9c2c5647656738cda3fb670aa5d3b3a69d784.

Removing this code makes it possible to cross-compile TSan for FreeBSD
with `zig cc` which does not provide libcrypt when cross-compiling.

I also removed a `term.h` include (ncurses) which appeared to be
unnecessary and likewise prevented cross-compilation with `zig cc` from
working.

(cherry picked from commit 5abec20b25be01866b1c6f75f6f45426d2b4f87b)
---
 .../sanitizer_platform_limits_freebsd.cpp     | 22 -------------------
 .../sanitizer_platform_limits_freebsd.h       | 16 --------------
 2 files changed, 38 deletions(-)

diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_freebsd.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_freebsd.cpp
index 4c1e005289230..c4fa1e3c1f6fa 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_freebsd.cpp
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_freebsd.cpp
@@ -71,14 +71,8 @@
 #include <semaphore.h>
 #include <signal.h>
 #include <stddef.h>
-#include <md5.h>
-#include <sha224.h>
-#include <sha256.h>
-#include <sha384.h>
-#include <sha512.h>
 #include <stdio.h>
 #include <stringlist.h>
-#include <term.h>
 #include <termios.h>
 #include <time.h>
 #include <ttyent.h>
@@ -370,22 +364,6 @@ const int si_SEGV_MAPERR = SEGV_MAPERR;
 const int si_SEGV_ACCERR = SEGV_ACCERR;
 const int unvis_valid = UNVIS_VALID;
 const int unvis_validpush = UNVIS_VALIDPUSH;
-
-const unsigned MD5_CTX_sz = sizeof(MD5_CTX);
-const unsigned MD5_return_length = MD5_DIGEST_STRING_LENGTH;
-
-#define SHA2_CONST(LEN)                                                      \
-  const unsigned SHA##LEN##_CTX_sz = sizeof(SHA##LEN##_CTX);                 \
-  const unsigned SHA##LEN##_return_length = SHA##LEN##_DIGEST_STRING_LENGTH; \
-  const unsigned SHA##LEN##_block_length = SHA##LEN##_BLOCK_LENGTH;          \
-  const unsigned SHA##LEN##_digest_length = SHA##LEN##_DIGEST_LENGTH
-
-SHA2_CONST(224);
-SHA2_CONST(256);
-SHA2_CONST(384);
-SHA2_CONST(512);
-
-#undef SHA2_CONST
 }  // namespace __sanitizer
 
 using namespace __sanitizer;
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_freebsd.h b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_freebsd.h
index 382b67ce78ebd..1cbb40e0b2ffc 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_freebsd.h
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_freebsd.h
@@ -710,22 +710,6 @@ extern unsigned IOCTL_KDSKBMODE;
 extern const int si_SEGV_MAPERR;
 extern const int si_SEGV_ACCERR;
 
-extern const unsigned MD5_CTX_sz;
-extern const unsigned MD5_return_length;
-
-#define SHA2_EXTERN(LEN)                          \
-  extern const unsigned SHA##LEN##_CTX_sz;        \
-  extern const unsigned SHA##LEN##_return_length; \
-  extern const unsigned SHA##LEN##_block_length;  \
-  extern const unsigned SHA##LEN##_digest_length
-
-SHA2_EXTERN(224);
-SHA2_EXTERN(256);
-SHA2_EXTERN(384);
-SHA2_EXTERN(512);
-
-#undef SHA2_EXTERN
-
 struct __sanitizer_cap_rights {
   u64 cr_rights[2];
 };