94 lines
3.6 KiB
C
94 lines
3.6 KiB
C
#ifndef _TEST_TRACE_C_H_
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#define _TEST_TRACE_C_H_
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/* the base address of trace device */
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#define TRACE_DEV_BASE_ADDR 0x21000000
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/*the register addresses of the trace device */
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#define TRACE_DEV_REG_SWITCH 0
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#define TRACE_DEV_REG_FORK 1
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#define TRACE_DEV_REG_EXECVE_PID 2
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#define TRACE_DEV_REG_EXECVE_VMSTART 3
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#define TRACE_DEV_REG_EXECVE_VMEND 4
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#define TRACE_DEV_REG_EXECVE_OFFSET 5
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#define TRACE_DEV_REG_EXECVE_EXEPATH 6
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#define TRACE_DEV_REG_EXIT 7
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#define TRACE_DEV_REG_CMDLINE 8
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#define TRACE_DEV_REG_CMDLINE_LEN 9
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#define TRACE_DEV_REG_MMAP_EXEPATH 10
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#define TRACE_DEV_REG_INIT_PID 11
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#define TRACE_DEV_REG_INIT_NAME 12
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#define TRACE_DEV_REG_CLONE 13
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#define TRACE_DEV_REG_DYN_SYM 50
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#define TRACE_DEV_REG_DYN_SYM_ADDR 51
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#define TRACE_DEV_REG_PRINT_STR 60
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#define TRACE_DEV_REG_PRINT_NUM_DEC 61
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#define TRACE_DEV_REG_PRINT_NUM_HEX 62
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#define TRACE_DEV_REG_STOP_EMU 90
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#define TRACE_DEV_REG_ENABLE 100
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#define TRACE_DEV_REG_DISABLE 101
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/* write a word to a trace device register */
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#define DEV_WRITE_WORD(addr,value)\
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(*(volatile unsigned long *)(TRACE_DEV_BASE_ADDR + ((addr) << 2)) = (value))
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/*************************************************************/
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/* generates test events */
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/* context switch */
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#define TRACE_SWITCH(pid) DEV_WRITE_WORD(TRACE_DEV_REG_SWITCH, (pid))
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/* fork */
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#define TRACE_FORK(pid) DEV_WRITE_WORD(TRACE_DEV_REG_FORK, (pid))
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/* clone */
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#define TRACE_CLONE(pid) DEV_WRITE_WORD(TRACE_DEV_REG_CLONE, (pid))
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/* dump name and path of threads executed before trace device created */
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#define TRACE_INIT_NAME(pid,path)\
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do {\
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DEV_WRITE_WORD(TRACE_DEV_REG_INIT_PID, (pid));\
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DEV_WRITE_WORD(TRACE_DEV_REG_INIT_NAME, (unsigned long)(path));\
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}while(0)
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/* dump exec mapping of threads executed before trace device created */
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#define TRACE_INIT_EXEC(vstart,vend,eoff,path)\
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do {\
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DEV_WRITE_WORD(TRACE_DEV_REG_EXECVE_VMSTART, (vstart));\
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DEV_WRITE_WORD(TRACE_DEV_REG_EXECVE_VMEND, (vend));\
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DEV_WRITE_WORD(TRACE_DEV_REG_EXECVE_OFFSET, (eoff));\
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DEV_WRITE_WORD(TRACE_DEV_REG_EXECVE_EXEPATH, (unsigned long)(path));\
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}while(0)
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/* mmap */
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#define TRACE_MMAP(vstart,vend,eoff,path)\
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do {\
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DEV_WRITE_WORD(TRACE_DEV_REG_EXECVE_VMSTART, (vstart));\
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DEV_WRITE_WORD(TRACE_DEV_REG_EXECVE_VMEND, (vend));\
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DEV_WRITE_WORD(TRACE_DEV_REG_EXECVE_OFFSET, (eoff));\
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DEV_WRITE_WORD(TRACE_DEV_REG_MMAP_EXEPATH, (unsigned long)(path));\
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}while(0)
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/* execve */
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#define TRACE_EXECVE(cmdlen,cmd)\
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do {\
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DEV_WRITE_WORD(TRACE_DEV_REG_CMDLINE_LEN, (cmdlen));\
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DEV_WRITE_WORD(TRACE_DEV_REG_CMDLINE, (unsigned long)(cmd));\
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}while(0)
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/* exit */
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#define TRACE_EXIT(retv) DEV_WRITE_WORD(TRACE_DEV_REG_EXIT, (retv))
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/* other commands */
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/* stop emulation */
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#define TRACE_STOP_EMU() DEV_WRITE_WORD(TRACE_DEV_REG_STOP_EMU, 1)
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/* enable/disable tracing */
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#define TRACE_ENABLE_TRACING() DEV_WRITE_WORD(TRACE_DEV_REG_ENABLE, 1)
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#define TRACE_DISABLE_TRACING() DEV_WRITE_WORD(TRACE_DEV_REG_DISABLE, 1)
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/* dynamic symbols */
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#define TRACE_DYN_SYM(addr,sym)\
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do {\
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DEV_WRITE_WORD(TRACE_DEV_REG_DYN_SYM_ADDR, (addr));\
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DEV_WRITE_WORD(TRACE_DEV_REG_DYN_SYM, (unsigned long)(sym));\
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}while(0)
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/* prints */
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#define PRINT_STR(str) DEV_WRITE_WORD(TRACE_DEV_REG_PRINT_STR, (unsigned long)(str))
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#define PRINT_NUM_DEC(num) DEV_WRITE_WORD(TRACE_DEV_REG_PRINT_NUM_DEC, (num))
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#define PRINT_NUM_HEX(num) DEV_WRITE_WORD(TRACE_DEV_REG_PRINT_NUM_HEX, (num))
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#endif
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