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importing QTRACE changes to QEMU-TRACE
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Xin Tong
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Oct 8, 2014
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| /* | ||
| * QTRACE asynchronous debug tool | ||
| * | ||
| * Copyright (c) 2003-2005 Fabrice Bellard | ||
| * | ||
| * This library is free software; you can redistribute it and/or | ||
| * modify it under the terms of the GNU Lesser General Public | ||
| * License as published by the Free Software Foundation; either | ||
| * version 2 of the License, or (at your option) any later version. | ||
| * | ||
| * This library is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| * Lesser General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Lesser General Public | ||
| * License along with this library; if not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| #ifndef QTRACE_COMMON_H | ||
| #define QTRACE_COMMON_H | ||
|
|
||
| #include <stdint.h> | ||
| #include <stdlib.h> | ||
|
|
||
| /// ------------------------------------------------ /// | ||
| /// miscellaneous | ||
| /// ------------------------------------------------ /// | ||
| #define QTRACE_EXIT exit | ||
| #define QTRACE_ERROR printf | ||
| #define QTRACE_WAIT_COMMAND_HANDLED(X) while(!X); | ||
| #define QTRACE_LOCAL_FUN static | ||
| #define QTRACE_MAX_IARGS 256 | ||
| #define QTRACE_MAX_CALLBACK_NUM 256 | ||
|
|
||
| #define ResetStatsNameString "ResetStats" | ||
| #define PrintStatsNameString "PrintStats" | ||
| #define SHARED_MEM_KEY 154519 | ||
|
|
||
| /// ------------------------------------------------ /// | ||
| /// instrumentation module metadata | ||
| /// ------------------------------------------------ /// | ||
| typedef struct rc { | ||
| struct rc *next; /* singly linkedlist */ | ||
| void *rtn; /* pointer to the function */ | ||
| const char *fname; /* name of the function */ | ||
| const char* mname; /* name of the module the function belongs to */ | ||
| } GenericRtnContainer; | ||
|
|
||
| /// ------------------------------------------------ /// | ||
| /// instrumentation context. | ||
| /// ------------------------------------------------ /// | ||
| /// InstrumentContext - this structure represents a single instrumentation | ||
| /// context defined in the user defined plugins. | ||
| /// an instrumentation context holds various information regarding what | ||
| /// kind of instrumentations are needed, when and where to call the | ||
| /// instrumentation function. | ||
| /// | ||
| /// e.g. if (QTRACE_TEST_FETCH(type)) | ||
| /// { | ||
| /// Module_INS_InsertCall(5, | ||
| /// QTRACE_IPOINT_BEFORE, | ||
| /// QTRACE_IFUN, CacheSim, | ||
| /// QTRACE_MEMTRACE_VMA, | ||
| /// QTRACE_MEMTRACE_MSIZE); | ||
| /// } | ||
| /// creates an instrumentation context with QTRACE_MEMTRACE_VMA and | ||
| /// QTRACE_MEMTRACE_MSIZE and call function CacheSim before the | ||
| /// instruction executes. | ||
| typedef struct InstrumentContext { | ||
| uintptr_t ifun; /* instrumentation function */ | ||
| unsigned ipoint; /* insertion point */ | ||
| unsigned ciarg; /* current iarg */ | ||
| unsigned iargs[QTRACE_MAX_IARGS]; /* instrumentation args */ | ||
| unsigned memfext; /* this context has memory instrumentation */ | ||
| unsigned pcfext; /* this context has program counter instrumentation */ | ||
| unsigned btarget; /* this context has branch instrumentation */ | ||
| struct InstrumentContext *next; | ||
| } InstrumentContext; | ||
|
|
||
|
|
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| /// ------------------------------------------------ /// | ||
| /// qtrace asynchronous debug channel. | ||
| /// ------------------------------------------------ /// | ||
| typedef struct { | ||
| int client_userd; /* user defined function request */ | ||
| int client_reset; /* reset stats function request */ | ||
| int client_print; /* print stats function request */ | ||
| int client_reset_all; | ||
| int client_print_all; | ||
| int flushcc; | ||
| char fname[128]; | ||
| char mname[128]; | ||
| } DebugChannel; | ||
|
|
||
| /// ------------------------------------------------ /// | ||
| /// qtrace global variables. | ||
| /// ------------------------------------------------ /// | ||
| extern DebugChannel *channel; | ||
| extern GenericRtnContainer* resetstats_list; | ||
| extern GenericRtnContainer* printstats_list; | ||
| extern GenericRtnContainer* userdefine_list; | ||
| extern GenericRtnContainer* instruction_list; | ||
| extern GenericRtnContainer* ibasicblock_list; | ||
|
|
||
| #endif // QTRACE_COMMON_H |
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