diff options
Diffstat (limited to 'lib/libthread_db/arch/arm/libpthread_md.c')
| -rw-r--r-- | lib/libthread_db/arch/arm/libpthread_md.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/lib/libthread_db/arch/arm/libpthread_md.c b/lib/libthread_db/arch/arm/libpthread_md.c new file mode 100644 index 000000000000..4a619ad8f39f --- /dev/null +++ b/lib/libthread_db/arch/arm/libpthread_md.c @@ -0,0 +1,119 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2007 Olivier Houchard + * 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/types.h> +#include <string.h> +#include <thread_db.h> + +#include "libpthread_db.h" + +void +pt_reg_to_ucontext(const struct reg *r, ucontext_t *uc) +{ + mcontext_t *mc = &uc->uc_mcontext; + __greg_t *gr = mc->__gregs; + + gr[_REG_R0] = r->r[0]; + gr[_REG_R1] = r->r[1]; + gr[_REG_R2] = r->r[2]; + gr[_REG_R3] = r->r[3]; + gr[_REG_R4] = r->r[4]; + gr[_REG_R5] = r->r[5]; + gr[_REG_R6] = r->r[6]; + gr[_REG_R7] = r->r[7]; + gr[_REG_R8] = r->r[8]; + gr[_REG_R9] = r->r[9]; + gr[_REG_R10] = r->r[10]; + gr[_REG_R11] = r->r[11]; + gr[_REG_R12] = r->r[12]; + gr[_REG_SP] = r->r_sp; + gr[_REG_LR] = r->r_lr; + gr[_REG_PC] = r->r_pc; + gr[_REG_CPSR] = r->r_cpsr; +} + +void +pt_ucontext_to_reg(const ucontext_t *uc, struct reg *r) +{ + const mcontext_t *mc = &uc->uc_mcontext; + + const __greg_t *gr = mc->__gregs; + + r->r[0] = gr[_REG_R0]; + r->r[1] = gr[_REG_R1]; + r->r[2] = gr[_REG_R2]; + r->r[3] = gr[_REG_R3]; + r->r[4] = gr[_REG_R4]; + r->r[5] = gr[_REG_R5]; + r->r[6] = gr[_REG_R6]; + r->r[7] = gr[_REG_R7]; + r->r[8] = gr[_REG_R8]; + r->r[9] = gr[_REG_R9]; + r->r[10] = gr[_REG_R10]; + r->r[11] = gr[_REG_R11]; + r->r[12] = gr[_REG_R12]; + r->r_sp = gr[_REG_SP]; + r->r_lr = gr[_REG_LR]; + r->r_pc = gr[_REG_PC]; + r->r_cpsr = gr[_REG_CPSR]; +} + +void +pt_fpreg_to_ucontext(const struct fpreg *r, ucontext_t *uc) +{ + mcontext_vfp_t *mc_vfp; + + mc_vfp = uc->uc_mcontext.mc_vfp_ptr; + + if (mc_vfp != NULL) + memcpy(mc_vfp, r, sizeof(*r)); +} + +void +pt_ucontext_to_fpreg(const ucontext_t *uc, struct fpreg *r) +{ + mcontext_vfp_t *mc_vfp; + + mc_vfp = uc->uc_mcontext.mc_vfp_ptr; + + if (mc_vfp != NULL) + memcpy(r, &mc_vfp, sizeof(*r)); +} + +void +pt_md_init(void) +{ +} + +int +pt_reg_sstep(struct reg *reg __unused, int step __unused) +{ + + /* XXX */ + return (0); +} |