git: cb264bc7167b - main - mips: Remove thread_db support

From: Warner Losh <imp_at_FreeBSD.org>
Date: Fri, 31 Dec 2021 07:15:36 UTC
The branch main has been updated by imp:

URL: https://cgit.FreeBSD.org/src/commit/?id=cb264bc7167b623c8b2bac048509a6401246918a

commit cb264bc7167b623c8b2bac048509a6401246918a
Author:     Warner Losh <imp@FreeBSD.org>
AuthorDate: 2021-12-31 05:51:48 +0000
Commit:     Warner Losh <imp@FreeBSD.org>
CommitDate: 2021-12-31 07:14:53 +0000

    mips: Remove thread_db support
    
    Sponsored by:           Netflix
---
 lib/libthread_db/arch/mips/libpthread_md.c | 93 ------------------------------
 1 file changed, 93 deletions(-)

diff --git a/lib/libthread_db/arch/mips/libpthread_md.c b/lib/libthread_db/arch/mips/libpthread_md.c
deleted file mode 100644
index 1ded66d1c3fe..000000000000
--- a/lib/libthread_db/arch/mips/libpthread_md.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-3-Clause
- *
- * Copyright (c) 2006-2007, Juniper Networks, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of Juniper Networks nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY JUNIPER NETWORKS ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/types.h>
-#define	_WANT_MIPS_REGNUM
-#include <sys/procfs.h>
-#include <ucontext.h>
-#include <string.h>
-#include <thread_db.h>
-#include "libpthread_db.h"
-
-void
-pt_reg_to_ucontext(const struct reg *r, ucontext_t *uc)
-{
-
-	memcpy(uc->uc_mcontext.mc_regs, &r->r_regs[ZERO],
-	    sizeof(uc->uc_mcontext.mc_regs));
-	uc->uc_mcontext.mc_pc = r->r_regs[PC];
-	uc->uc_mcontext.mullo = r->r_regs[MULLO];
-	uc->uc_mcontext.mulhi = r->r_regs[MULHI];
-}
-
-void
-pt_ucontext_to_reg(const ucontext_t *uc, struct reg *r)
-{
-	memcpy(&r->r_regs[ZERO], uc->uc_mcontext.mc_regs,
-	    sizeof(uc->uc_mcontext.mc_regs));
-	r->r_regs[PC] = uc->uc_mcontext.mc_pc;
-	r->r_regs[MULLO] = uc->uc_mcontext.mullo;
-	r->r_regs[MULHI] = uc->uc_mcontext.mulhi;
-}
-
-void
-pt_fpreg_to_ucontext(const struct fpreg* r, ucontext_t *uc)
-{
-
-	memcpy(uc->uc_mcontext.mc_fpregs, r->r_regs,
-	    sizeof(uc->uc_mcontext.mc_fpregs));
-}
-
-void
-pt_ucontext_to_fpreg(const ucontext_t *uc, struct fpreg *r)
-{
-
-	memcpy(r->r_regs, uc->uc_mcontext.mc_fpregs,
-	    sizeof(uc->uc_mcontext.mc_fpregs));
-}
-
-void
-pt_md_init(void)
-{
-	/* Nothing to do */
-}
-
-int
-pt_reg_sstep(struct reg *reg __unused, int step __unused)
-{
-	/*
-	 * XXX: mips doesnt store single step info in any registers
-	 */
-	return (0);
-}