858ff332fa
it to recognise what ABI to use on amd64 (and possibly others) platform. Display PID and process name as a part of the 'info threads' output, TIDs alone are too confusing. Introduce new commmands 'tid <tid>' and 'proc <pid>' to accompany gdb's default 'thread <thread num>' to make the task of switching between different contexts easier.
74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
/*
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* Copyright (c) 2004 Marcel Moolenaar
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <machine/pcb.h>
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#include <err.h>
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#include <kvm.h>
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#include <string.h>
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#include "kgdb.h"
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#include <defs.h>
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#include <target.h>
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#include <gdbthread.h>
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#include <inferior.h>
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#include <regcache.h>
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void
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kgdb_trgt_fetch_registers(int regno __unused)
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{
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struct kthr *kt;
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struct pcb pcb;
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kt = kgdb_thr_lookup_tid(ptid_get_tid(inferior_ptid));
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if (kt == NULL)
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return;
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if (kvm_read(kvm, kt->pcb, &pcb, sizeof(pcb)) != sizeof(pcb)) {
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warnx("kvm_read: %s", kvm_geterr(kvm));
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memset(&pcb, 0, sizeof(pcb));
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}
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supply_register(1, (char *)&pcb.pcb_rbx);
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supply_register(6, (char *)&pcb.pcb_rbp);
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supply_register(7, (char *)&pcb.pcb_rsp);
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supply_register(12, (char *)&pcb.pcb_r12);
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supply_register(13, (char *)&pcb.pcb_r13);
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supply_register(14, (char *)&pcb.pcb_r14);
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supply_register(15, (char *)&pcb.pcb_r15);
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supply_register(16, (char *)&pcb.pcb_rip);
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supply_register(17, (char *)&pcb.pcb_rflags);
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}
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void
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kgdb_trgt_store_registers(int regno __unused)
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{
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fprintf_unfiltered(gdb_stderr, "XXX: %s\n", __func__);
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}
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