179 lines
4.4 KiB
C
179 lines
4.4 KiB
C
/*
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that the above copyright notice and this paragraph are
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* duplicated in all such forms and that any documentation,
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* and/or other materials related to such
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* distribution and use acknowledge that the software was developed
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* by the University of California, Berkeley. The name of the
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* University may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#include "pcc_prefix.s"
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#define BLANK
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#define BANNER(str) BLANK .VERSION str
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#define ENTRY(Name) BLANK M_ENTRY (Name,PROF_/**/Name)
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#define ENTRYC(Name) BLANK M_ENTRYC(Name,PROF_/**/Name)
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#define EXIT(Name) BLANK M_EXIT (Name,PROF_/**/Name)
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#define EXITC(Name) BLANK M_EXITC (Name,PROF_/**/Name)
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#if 0
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#define TEXT_SEGMENT \
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.SPACE $TEXT$ !\
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.SUBSPA $CODE$
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#define RO_SEGMENT \
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.SPACE $TEXT$ !\
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.SUBSPA $lit$
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#define DATA_SEGMENT \
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.SPACE $PRIVATE$ !\
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.SUBSPA $data$
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#define BSS_SEGMENT \
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.SPACE $PRIVATE$ !\
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.SUBSPA $bss$
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#else
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#define TEXT_SEGMENT .text
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#define RO_SEGMENT .rodata
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#define DATA_SEGMENT .data
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#define BSS_SEGMENT .bss
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#endif
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#ifdef PROF
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;
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; All four argument registers are saved into caller save registers
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; and restored after the call to _mcount. This is possible because
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; the mcount routine does not modify them, so we can. Mcount takes
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; 3 arguments; the first argument is the incoming 'rp', the second
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; is the starting address of the profiled routine, and the third is
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; the address of the PROF label (which is where mcount stores the
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; profile data).
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;
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#define M_ENTRY(name,prof) \
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TEXT_SEGMENT !\
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.label name !\
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.PROC !\
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.CALLINFO CALLER,SAVE_RP !\
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.ENTRY !\
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stw rp,-20(sp) !\
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ldo 48(sp),sp !\
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or arg0,r0,r19 !\
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or arg1,r0,r20 !\
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or arg2,r0,r21 !\
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or arg3,r0,r22 !\
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or rp,r0,arg0 !\
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ldil L%name,r1 !\
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ldo R%name(r1),arg1 !\
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addil L%prof-$global$,dp !\
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bl _mcount,rp !\
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ldo R%prof-$global$(r1),arg2 !\
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ldw -68(sp),rp !\
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ldo -48(sp),sp !\
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or r19,r0,arg0 !\
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or r20,r0,arg1 !\
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or r21,r0,arg2 !\
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or r22,r0,arg3 !\
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#define M_ENTRYC(name,prof) \
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TEXT_SEGMENT !\
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.label name !\
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.PROC !\
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.CALLINFO CALLER,SAVE_RP !\
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.ENTRY !\
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stw rp,-20(sp) !\
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ldo 128(sp),sp !\
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or arg0,r0,r19 !\
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or arg1,r0,r20 !\
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or arg2,r0,r21 !\
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or arg3,r0,r22 !\
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or rp,r0,arg0 !\
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ldil L%name,r1 !\
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ldo R%name(r1),arg1 !\
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addil L%prof-$global$,dp !\
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bl _mcount,rp !\
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ldo R%prof-$global$(r1),arg2 !\
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ldw -148(sp),rp !\
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or r19,r0,arg0 !\
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or r20,r0,arg1 !\
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or r21,r0,arg2 !\
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or r22,r0,arg3 !\
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;
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; The HPUX profiler uses a word for each entrypoint to store the profiling
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; information. The setup code passes the address to the _mcount routine.
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; The EXIT macro defines a label (PROF_foo), and a word of storage.
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;
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#define M_EXIT(name,prof) \
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bv,n r0(rp) !\
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.EXIT !\
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.PROCEND !\
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.EXPORT name,ENTRY !\
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DATA_SEGMENT !\
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.label prof !\
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.WORD 0 !\
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.IMPORT $global$,DATA !\
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.IMPORT _mcount,CODE
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#define M_EXITC(name,prof) \
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bv r0(rp) !\
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ldo -128(sp),sp !\
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.EXIT !\
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.PROCEND !\
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.EXPORT name,ENTRY !\
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DATA_SEGMENT !\
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.label prof !\
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.WORD 0 !\
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.IMPORT $global$,DATA !\
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.IMPORT _mcount,CODE
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#else /* NOT profiling */
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#define M_ENTRY(name,prof) \
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TEXT_SEGMENT !\
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.label name !\
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.PROC !\
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.CALLINFO !\
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.ENTRY
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#define M_ENTRYC(name,prof) \
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TEXT_SEGMENT !\
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.label name !\
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.PROC !\
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.CALLINFO CALLER,SAVE_RP !\
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.ENTRY !\
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stw rp,-20(sp) !\
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ldo 128(sp),sp
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#define M_EXIT(name,prof) \
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bv,n r0(rp) !\
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.EXIT !\
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.PROCEND !\
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.EXPORT name,ENTRY
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#define M_EXITC(name,prof) \
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ldw -148(sp),rp !\
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bv r0(rp) !\
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ldo -128(sp),sp !\
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.EXIT !\
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.PROCEND !\
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.EXPORT name,ENTRY
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#define ENTRY(Name) BLANK M_ENTRY (Name,PROF_/**/Name)
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#define ENTRYC(Name) BLANK M_ENTRYC(Name,PROF_/**/Name)
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#define EXIT(Name) BLANK M_EXIT (Name,PROF_/**/Name)
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#define EXITC(Name) BLANK M_EXITC (Name,PROF_/**/Name)
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#endif
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