diff options
Diffstat (limited to 'lib/libthread_db/pthread/pthread_db_i386.c')
-rw-r--r-- | lib/libthread_db/pthread/pthread_db_i386.c | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/lib/libthread_db/pthread/pthread_db_i386.c b/lib/libthread_db/pthread/pthread_db_i386.c deleted file mode 100644 index 4875b74..0000000 --- a/lib/libthread_db/pthread/pthread_db_i386.c +++ /dev/null @@ -1,105 +0,0 @@ -/* - * Copyright (c) 2004 David Xu <davidxu@freebsd.org> - * 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. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 <string.h> -#include <sys/types.h> -#include <proc_service.h> -#include <thread_db.h> -#include <machine/npx.h> - -#include "pthread_db.h" - -static int has_xmm_regs; - -void -pt_reg_to_ucontext(const struct reg *r, ucontext_t *uc) -{ - memcpy(&uc->uc_mcontext.mc_fs, &r->r_fs, 18*4); - uc->uc_mcontext.mc_gs = r->r_gs; -} - -void -pt_ucontext_to_reg(const ucontext_t *uc, struct reg *r) -{ - memcpy(&r->r_fs, &uc->uc_mcontext.mc_fs, 18*4); - r->r_gs = uc->uc_mcontext.mc_gs; -} - -void -pt_fpreg_to_ucontext(const struct fpreg* r, ucontext_t *uc) -{ - if (!has_xmm_regs) - memcpy(&uc->uc_mcontext.mc_fpstate, r, - sizeof(struct save87)); - else { - int i; - struct savexmm *sx = (struct savexmm *)&uc->uc_mcontext.mc_fpstate; - memcpy(&sx->sv_env, &r->fpr_env, sizeof(r->fpr_env)); - for (i = 0; i < 8; ++i) - memcpy(&sx->sv_fp[i].fp_acc, &r->fpr_acc[i], 10); - } -} - -void -pt_ucontext_to_fpreg(const ucontext_t *uc, struct fpreg *r) -{ - if (!has_xmm_regs) - memcpy(r, &uc->uc_mcontext.mc_fpstate, sizeof(struct save87)); - else { - int i; - struct savexmm *sx = (struct savexmm *)&uc->uc_mcontext.mc_fpstate; - memcpy(&r->fpr_env, &sx->sv_env, sizeof(r->fpr_env)); - for (i = 0; i < 8; ++i) - memcpy(&r->fpr_acc[i], &sx->sv_fp[i].fp_acc, 10); - } -} - -void -pt_md_init(void) -{ - ucontext_t uc; - - getcontext(&uc); - if (uc.uc_mcontext.mc_fpformat == _MC_FPFMT_XMM) - has_xmm_regs = 1; -} - -int -pt_reg_sstep(struct reg *reg, int step) -{ - unsigned int old; - - old = reg->r_eflags; - if (step) - reg->r_eflags |= 0x0100; - else - reg->r_eflags &= ~0x0100; - return (old != reg->r_eflags); /* changed ? */ -} - |