65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
/* $Header$ */
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#define BUFLEN 32 /* size of buffer in message header */
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#define M_DB_RUN 0100 /* set for commands that cause child to run */
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#define M_DB_SS 0200 /* debugger wants single stepping (to be orred
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with SETSS(F) or CONT
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*/
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#define m_type m_buf[0]
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#ifdef DEBUGGEE
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#define PS sizeof(char *)
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#define LS sizeof(long)
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#else
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#define PS pointer_size
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#define LS long_size
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#endif
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struct message_hdr {
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char m_buf[BUFLEN];
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/* Possible values of m_buf[0]: */
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#define M_SETBP 0 /* set breakpoint at address in next PS bytes */
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#define M_CLRBP 1 /* clear breakpoint at address in next PS bytes */
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#define M_SETSS (2|M_DB_RUN)
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/* set single stepping, # of steps in next LS bytes */
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#define M_SETSSF (3|M_DB_RUN)
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/* set single stepping,
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counting calls as one step
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*/
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#define M_GETEMREGS 4 /* get EM registers, level in next LS bytes */
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#define M_GETBYTES 5 /* get data; size in next LS bytes,
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address in next PS bytes
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*/
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#define M_GETSTR 6 /* get string; max size in next LS bytes,
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address in next PS bytes
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*/
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#define M_SETBYTES 7 /* get data; size in next LS bytes,
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address in next PS bytes
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*/
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/* #define M_CALL 8 /* call function; not implemented */
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#define M_CONT (9|M_DB_RUN)
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/* continue */
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#define M_SETEMREGS 10 /* set EM registers, level in next LS bytes;
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Actually, only the program counter is set.
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*/
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#define M_CLRSS 12 /* clear single stepping */
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#define M_DUMP 13 /* dump command */
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#define M_DGLOB 14 /* data area */
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#define M_DSTACK 15 /* stack area */
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#define M_SETTRACE 16 /* start tracing; range in next two PS bytes */
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#define M_CLRTRACE 17 /* end tracing */
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#define M_OK 50 /* answer of child to most messages */
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#define M_FAIL 51 /* answer of child when something goes wrong */
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#define M_DATA 52 /* answer of child when data requested */
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#define M_END_SS 53 /* stopped because of user single stepping */
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#define M_INTR 54 /* sent on interrupt */
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};
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#define LB_OFF (0*PS+LS+1)
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#define AB_OFF (1*PS+LS+1)
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#define PC_OFF (2*PS+LS+1)
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#define HP_OFF (3*PS+LS+1)
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#define SP_OFF (4*PS+LS+1)
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