mirror of
https://github.com/adtools/clib2.git
synced 2025-12-08 14:59:05 +00:00
85e421feb8
git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14979 87f5fb63-7c3d-0410-a384-fd976d0f7a62
107 lines
1.8 KiB
C
107 lines
1.8 KiB
C
#include "profile_gmon.h"
|
|
#include <exec/exec.h>
|
|
#include <proto/exec.h>
|
|
#include <stddef.h>
|
|
|
|
|
|
void __mcount(uint32 frompc, uint32 selfpc);
|
|
|
|
void
|
|
__mcount(uint32 frompc, uint32 selfpc)
|
|
{
|
|
uint16 *frompcindex;
|
|
struct tostruct *top, *prevtop;
|
|
struct gmonparam *p;
|
|
|
|
int32 toindex;
|
|
|
|
p = &_gmonparam;
|
|
|
|
if (p->state != kGmonProfOn) return;
|
|
|
|
p->state = kGmonProfBusy;
|
|
|
|
/*
|
|
* Check if the PC is inside our text segment.
|
|
* Really should be...
|
|
*/
|
|
frompc -= p->lowpc;
|
|
selfpc -= p->lowpc;
|
|
if (frompc > p->textsize) goto done;
|
|
|
|
#if (HASHFRACTION & (HASHFRACTION-1)) == 0
|
|
if (p->hashfraction == HASHFRACTION)
|
|
{
|
|
frompcindex = &p->froms[(size_t)(frompc / (HASHFRACTION *
|
|
sizeof(*p->froms)))];
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
frompcindex = &p->froms[(size_t)(frompc / (p->hashfraction *
|
|
sizeof(*p->froms)))];
|
|
}
|
|
|
|
toindex = *frompcindex;
|
|
|
|
if (toindex == 0)
|
|
{
|
|
/* first time down this arc */
|
|
toindex = ++p->tos[0].link;
|
|
if (toindex >= p->tolimit)
|
|
/* Ouch! Overflow */
|
|
goto overflow;
|
|
|
|
*frompcindex = (uint16)toindex;
|
|
top = &p->tos[toindex];
|
|
top->selfpc = selfpc;
|
|
top->count = 1;
|
|
top->link = 0;
|
|
goto done;
|
|
}
|
|
|
|
top = &p->tos[toindex];
|
|
if (top->selfpc == selfpc)
|
|
{
|
|
/* arc at front of chain */
|
|
top->count++;
|
|
goto done;
|
|
}
|
|
|
|
for (;;)
|
|
{
|
|
if (top->link == 0)
|
|
{
|
|
toindex = ++p->tos[0].link;
|
|
if (toindex >= p->tolimit)
|
|
goto overflow;
|
|
|
|
top = &p->tos[toindex];
|
|
top->selfpc = selfpc;
|
|
top->count = 1;
|
|
top->link = *frompcindex;
|
|
*frompcindex = (uint16)toindex;
|
|
goto done;
|
|
}
|
|
prevtop = top;
|
|
top = &p->tos[top->link];
|
|
if (top->selfpc == selfpc)
|
|
{
|
|
top->count++;
|
|
toindex = prevtop->link;
|
|
prevtop->link = top->link;
|
|
top->link = *frompcindex;
|
|
*frompcindex = (uint16)toindex;
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
done:
|
|
p->state = kGmonProfOn;
|
|
return;
|
|
|
|
overflow:
|
|
p->state = kGmonProfError;
|
|
return;
|
|
}
|