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Fix pr283: signal values before enddefinitions in vcd. (Stephan Boettcher)

This commit is contained in:
steve 2001-10-08 23:33:00 +00:00
parent 494b5ff1ee
commit 20ad433f8c
1 changed files with 26 additions and 6 deletions
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32
vpi/sys_vcd.c
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@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#if !defined(WINNT) && !defined(macintosh) #if !defined(WINNT) && !defined(macintosh)
#ident "$Id: sys_vcd.c,v 1.21 2001/09/30 05:18:46 steve Exp $" #ident "$Id: sys_vcd.c,v 1.22 2001/10/08 23:33:00 steve Exp $"
#endif #endif
# include "config.h" # include "config.h"
@ -188,6 +188,14 @@ void vcd_names_sort(void)
} }
} }
static int dumpvars_status = 0; /* 0:fresh 1:cb installed, 2:callback done */
static unsigned long dumpvars_time;
inline static int dump_header_pending(void)
{
return dumpvars_status != 2;
}
/* /*
* This function writes out all the traced variables, whether they * This function writes out all the traced variables, whether they
* changed or not. * changed or not.
@ -214,6 +222,9 @@ static int variable_cb(p_cb_data cause)
if (dump_is_off) if (dump_is_off)
return 0; return 0;
if (dump_header_pending())
return 0;
if (now != vcd_cur_time) { if (now != vcd_cur_time) {
fprintf(dump_file, "#%lu\n", now); fprintf(dump_file, "#%lu\n", now);
vcd_cur_time = now; vcd_cur_time = now;
@ -224,11 +235,13 @@ static int variable_cb(p_cb_data cause)
return 0; return 0;
} }
static int dumpvars_status = 0; /* 0:fresh 1:cb installed, 2:callback done */
static unsigned long dumpvars_time;
static int dumpvars_cb(p_cb_data cause) static int dumpvars_cb(p_cb_data cause)
{ {
if (dumpvars_status != 1)
return 0;
dumpvars_status = 2;
dumpvars_time = cause->time->low; dumpvars_time = cause->time->low;
vcd_cur_time = dumpvars_time; vcd_cur_time = dumpvars_time;
@ -241,8 +254,6 @@ static int dumpvars_cb(p_cb_data cause)
fprintf(dump_file, "$end\n"); fprintf(dump_file, "$end\n");
} }
dumpvars_status = 2;
return 0; return 0;
} }
@ -291,6 +302,9 @@ static int sys_dumpon_calltf(char*name)
if (dump_file == 0) if (dump_file == 0)
return 0; return 0;
if (dump_header_pending())
return 0;
vpi_get_time(0, &now); vpi_get_time(0, &now);
if (now.low > vcd_cur_time) { if (now.low > vcd_cur_time) {
fprintf(dump_file, "#%u\n", now.low); fprintf(dump_file, "#%u\n", now.low);
@ -308,6 +322,9 @@ static int sys_dumpall_calltf(char*name)
if (dump_file == 0) if (dump_file == 0)
return 0; return 0;
if (dump_header_pending())
return 0;
vpi_get_time(0, &now); vpi_get_time(0, &now);
fprintf(dump_file, "#%u\n", now.low); fprintf(dump_file, "#%u\n", now.low);
vcd_cur_time = now.low; vcd_cur_time = now.low;
@ -666,6 +683,9 @@ void sys_vcd_register()
/* /*
* $Log: sys_vcd.c,v $ * $Log: sys_vcd.c,v $
* Revision 1.22 2001/10/08 23:33:00 steve
* Fix pr283: signal values before enddefinitions in vcd. (Stephan Boettcher)
*
* Revision 1.21 2001/09/30 05:18:46 steve * Revision 1.21 2001/09/30 05:18:46 steve
* Reduce VCD output by removing duplicates. (Stephan Boettcher) * Reduce VCD output by removing duplicates. (Stephan Boettcher)
* *