Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Only on the 68010, define a different mcount() function, 

one that doesn't use the memory-indirect addressing mode.
This commit is contained in:
fredette 2001-05-18 15:33:03 +00:00
parent 8160155f03
commit 69c174610f
1 changed files with 16 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
sys/arch/m68k/include/profile.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: profile.h,v 1.10 2000/12/07 10:14:09 kleink Exp $ */
/* $NetBSD: profile.h,v 1.11 2001/05/18 15:33:03 fredette Exp $ */
/*
* Copyright (c) 1992, 1993
@ -43,6 +43,7 @@
#define MCOUNT_ENTRY "mcount"
#endif
#ifndef __mc68010__
#define MCOUNT \
extern void mcount __P((void)) __asm__(MCOUNT_ENTRY); void mcount() { \
int selfpc, frompcindex; \
@ -50,6 +51,20 @@ extern void mcount __P((void)) __asm__(MCOUNT_ENTRY); void mcount() { \
__asm__("movl %%a6@(0)@(4),%0" : "=r" (frompcindex)); \
_mcount(frompcindex, selfpc); \
}
#else /* __mc68010__ */
/*
* The 68010 doesn't have the memory indirect addressing mode
* that the above definition of mcount uses, so we're forced
* to do something different.
*/
#define MCOUNT \
extern void mcount __P((void)) __asm__("mcount"); void mcount() { \
int selfpc, frompcindex; \
__asm__("movl %%a6@(4),%0" : "=r" (selfpc)); \
__asm__("movl %%a6@(0),%%a0 ; movl %%a0@(4),%0" : "=r" (frompcindex) : /* no inputs */ : "a0"); \
_mcount(frompcindex, selfpc); \
}
#endif /* __mc68010__ */
#ifdef _KERNEL
/*