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- Changed the stack layout used for the StackSwap() call.

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- Cleaned up the commented-out sections that deal with the SAS/C
  profiling code.


git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14728 87f5fb63-7c3d-0410-a384-fd976d0f7a62
This commit is contained in:
Olaf Barthel
2004-09-18 09:03:30 +00:00
parent 7ae8399e43
commit 7d21a272cc
1 changed files with 27 additions and 9 deletions
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36
library/stdlib_main.c
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@ -1,5 +1,5 @@
/* /*
* $Id: stdlib_main.c,v 1.1.1.1 2004-07-26 16:31:58 obarthel Exp $ * $Id: stdlib_main.c,v 1.2 2004-09-18 09:03:30 obarthel Exp $
* *
* :ts=4 * :ts=4
* *
@ -64,7 +64,10 @@ extern int main(int arg_c,char ** arg_v);
/****************************************************************************/ /****************************************************************************/
#if 0 /* The SAS/C profiling hooks can be used to track call chains. Neat
trick, but not always necessary. Don't enable this unless you know
what you're doing... */
#if defined(__USE_SAS_PROFILING_FOR_MONITORING)
/****************************************************************************/ /****************************************************************************/
@ -100,7 +103,7 @@ _EPILOG(REG(a0,char * id))
/****************************************************************************/ /****************************************************************************/
#endif #endif /* __USE_SAS_PROFILING_FOR_MONITORING */
/****************************************************************************/ /****************************************************************************/
@ -164,14 +167,25 @@ call_main(void)
/* Go through the constructor list */ /* Go through the constructor list */
_init(); _init();
//show_profile_names = TRUE; /* If the SAS/C profiling code is set up for printing function
call chains, switch it on now. */
#if defined(__USE_SAS_PROFILING_FOR_MONITORING)
{
show_profile_names = TRUE;
}
#endif /* __USE_SAS_PROFILING_FOR_MONITORING */
/* After all these preparations, get this show on the road... */ /* After all these preparations, get this show on the road... */
exit(main((int)__argc,(char **)__argv)); exit(main((int)__argc,(char **)__argv));
out: out:
//show_profile_names = FALSE; /* Switch off function name printing, if it was enabled. */
#if defined(__USE_SAS_PROFILING_FOR_MONITORING)
{
show_profile_names = FALSE;
}
#endif /* __USE_SAS_PROFILING_FOR_MONITORING */
/* If we end up here with the __stack_overflow variable /* If we end up here with the __stack_overflow variable
* set then the stack overflow handler dropped into * set then the stack overflow handler dropped into
@ -398,8 +412,9 @@ _main(void)
stack_size = (__stack_size + 15UL) & ~15UL; stack_size = (__stack_size + 15UL) & ~15UL;
/* We allocate a little more memory so that we can align /* We allocate a little more memory so that we can align
the stack to a 128 bit boundary. */ the stack to a 128 bit boundary. The extra 20 bytes are
stk = AllocVec(sizeof(*stk) + 15 + stack_size,MEMF_PUBLIC|MEMF_ANY); to mimic the Task stack setup in dos.library/CreateProc. */
stk = AllocVec(sizeof(*stk) + 15 + 20 + stack_size,MEMF_PUBLIC|MEMF_ANY);
if(stk == NULL) if(stk == NULL)
goto out; goto out;
@ -410,9 +425,12 @@ _main(void)
lower = (((ULONG)(stk+1)) + 15UL) & ~15UL; lower = (((ULONG)(stk+1)) + 15UL) & ~15UL;
upper = lower + stack_size; upper = lower + stack_size;
/* Fill in the lower and upper bounds, then take care of
the stack pointer itself. This layout mimics the process
creation code in dos.library. */
stk->stk_Lower = (APTR)lower; stk->stk_Lower = (APTR)lower;
stk->stk_Upper = upper; stk->stk_Upper = upper - 4;
stk->stk_Pointer = (APTR)upper; stk->stk_Pointer = (APTR)(upper - 20);
/* If necessary, set up for stack size usage measurement. */ /* If necessary, set up for stack size usage measurement. */
__stack_usage_init(stk); __stack_usage_init(stk);