2015-09-10 17:38:59 +02:00
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/*
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* QEMU monitor
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*
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* Copyright (c) 2003-2004 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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2016-06-29 10:12:57 +02:00
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#ifndef MONITOR_HMP_TARGET_H
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#define MONITOR_HMP_TARGET_H
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2015-09-10 17:38:59 +02:00
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2019-08-12 07:23:31 +02:00
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#include "cpu.h"
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2015-09-10 17:38:59 +02:00
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#define MD_TLONG 0
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#define MD_I32 1
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struct MonitorDef {
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const char *name;
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int offset;
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2020-11-13 12:43:25 +01:00
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target_long (*get_value)(Monitor *mon, const struct MonitorDef *md,
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int val);
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2015-09-10 17:38:59 +02:00
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int type;
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};
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const MonitorDef *target_monitor_defs(void);
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2015-11-12 04:44:23 +01:00
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int target_get_monitor_def(CPUState *cs, const char *name, uint64_t *pval);
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2015-09-10 17:38:59 +02:00
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hmp: Pass monitor to mon_get_cpu_env()
mon_get_cpu_env() is indirectly called monitor_parse_arguments() where
the current monitor isn't set yet. Instead of using monitor_cur_env(),
explicitly pass the Monitor pointer to the function.
Without this fix, an HMP command like "x $pc" crashes like this:
#0 0x0000555555caa01f in mon_get_cpu_sync (mon=0x0, synchronize=true) at ../monitor/misc.c:270
#1 0x0000555555caa141 in mon_get_cpu (mon=0x0) at ../monitor/misc.c:294
#2 0x0000555555caa158 in mon_get_cpu_env () at ../monitor/misc.c:299
#3 0x0000555555b19739 in monitor_get_pc (mon=0x555556ad2de0, md=0x5555565d2d40 <monitor_defs+1152>, val=0) at ../target/i386/monitor.c:607
#4 0x0000555555cadbec in get_monitor_def (mon=0x555556ad2de0, pval=0x7fffffffc208, name=0x7fffffffc220 "pc") at ../monitor/misc.c:1681
#5 0x000055555582ec4f in expr_unary (mon=0x555556ad2de0) at ../monitor/hmp.c:387
#6 0x000055555582edbb in expr_prod (mon=0x555556ad2de0) at ../monitor/hmp.c:421
#7 0x000055555582ee79 in expr_logic (mon=0x555556ad2de0) at ../monitor/hmp.c:455
#8 0x000055555582eefe in expr_sum (mon=0x555556ad2de0) at ../monitor/hmp.c:484
#9 0x000055555582efe8 in get_expr (mon=0x555556ad2de0, pval=0x7fffffffc418, pp=0x7fffffffc408) at ../monitor/hmp.c:511
#10 0x000055555582fcd4 in monitor_parse_arguments (mon=0x555556ad2de0, endp=0x7fffffffc890, cmd=0x555556675b50 <hmp_cmds+7920>) at ../monitor/hmp.c:876
#11 0x00005555558306a8 in handle_hmp_command (mon=0x555556ad2de0, cmdline=0x555556ada452 "$pc") at ../monitor/hmp.c:1087
#12 0x000055555582df14 in monitor_command_cb (opaque=0x555556ad2de0, cmdline=0x555556ada450 "x $pc", readline_opaque=0x0) at ../monitor/hmp.c:47
After this fix, nothing is left in monitor_parse_arguments() that can
indirectly call monitor_cur(), so the fix is complete.
Fixes: ff04108a0e36e822519c517bd3bddbc1c7747c18
Reported-by: lichun <lichun@ruijie.com.cn>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20201113114326.97663-4-kwolf@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-11-13 12:43:26 +01:00
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CPUArchState *mon_get_cpu_env(Monitor *mon);
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2020-11-13 12:43:24 +01:00
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CPUState *mon_get_cpu(Monitor *mon);
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2015-09-10 17:38:59 +02:00
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void hmp_info_mem(Monitor *mon, const QDict *qdict);
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void hmp_info_tlb(Monitor *mon, const QDict *qdict);
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void hmp_mce(Monitor *mon, const QDict *qdict);
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2015-09-22 15:18:18 +02:00
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void hmp_info_local_apic(Monitor *mon, const QDict *qdict);
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2021-10-07 18:17:15 +02:00
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void hmp_info_sev(Monitor *mon, const QDict *qdict);
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2021-09-10 12:22:56 +02:00
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void hmp_info_sgx(Monitor *mon, const QDict *qdict);
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2022-03-05 16:09:53 +01:00
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void hmp_info_via(Monitor *mon, const QDict *qdict);
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2023-01-24 13:19:42 +01:00
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void hmp_memory_dump(Monitor *mon, const QDict *qdict);
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void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict);
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void hmp_info_registers(Monitor *mon, const QDict *qdict);
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void hmp_gva2gpa(Monitor *mon, const QDict *qdict);
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void hmp_gpa2hva(Monitor *mon, const QDict *qdict);
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void hmp_gpa2hpa(Monitor *mon, const QDict *qdict);
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2015-09-10 17:38:59 +02:00
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2016-06-29 10:12:57 +02:00
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#endif /* MONITOR_HMP_TARGET_H */
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