101 lines
3.2 KiB
C
101 lines
3.2 KiB
C
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/****************************************************************
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* *
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* Copyright 2009, 2011 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#include <stdarg.h>
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#include "lv_val.h" /* needed for "callg.h" */
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#include "callg.h"
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#define VAR_ARGS32(ar) ar[0], ar[1], ar[2], ar[3], ar[4], ar[5], ar[6], ar[7], ar[8], ar[9], ar[10], ar[11], ar[12], \
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ar[13], ar[14], ar[15], ar[16], ar[17], ar[18], ar[19], ar[20], ar[21], ar[22], ar[23], ar[24], \
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ar[25], ar[26], ar[27], ar[28], ar[29], ar[30], ar[31]
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#define VAR_ARGS28(ar) ar[0], ar[1], ar[2], ar[3], ar[4], ar[5], ar[6], ar[7], ar[8], ar[9], ar[10], ar[11], ar[12], \
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ar[13], ar[14], ar[15], ar[16], ar[17], ar[18], ar[19], ar[20], ar[21], ar[22], ar[23], ar[24], \
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ar[25], ar[26], ar[27]
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#define VAR_ARGS24(ar) ar[0], ar[1], ar[2], ar[3], ar[4], ar[5], ar[6], ar[7], ar[8], ar[9], ar[10], ar[11], ar[12], \
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ar[13], ar[14], ar[15], ar[16], ar[17], ar[18], ar[19], ar[20], ar[21], ar[22], ar[23]
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#define VAR_ARGS20(ar) ar[0], ar[1], ar[2], ar[3], ar[4], ar[5], ar[6], ar[7], ar[8], ar[9], ar[10], ar[11], ar[12], \
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ar[13], ar[14], ar[15], ar[16], ar[17], ar[18], ar[19]
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#define VAR_ARGS16(ar) ar[0], ar[1], ar[2], ar[3], ar[4], ar[5], ar[6], ar[7], ar[8], ar[9], ar[10], ar[11], ar[12], \
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ar[13], ar[14], ar[15]
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#define VAR_ARGS12(ar) ar[0], ar[1], ar[2], ar[3], ar[4], ar[5], ar[6], ar[7], ar[8], ar[9], ar[10], ar[11]
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#define VAR_ARGS8(ar) ar[0], ar[1], ar[2], ar[3], ar[4], ar[5], ar[6], ar[7]
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#define VAR_ARGS4(ar) ar[0], ar[1], ar[2], ar[3]
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/* Note selection of doing 4 parms per case block is based on the fact that Itanium can do at most 4 parm loads
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at one time due to instruction bundle restrictions and the fact that most calls made are 4 or fewer parms.
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NOTE: Although this module can be used on other platforms it is efficient **ONLY** on Itanium in its present
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form and is not suggested for use on other platforms.
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*/
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INTPTR_T callg(callgfnptr fnptr, gparam_list *paramlist)
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{
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assert(32 == (SIZEOF(paramlist->arg) / SIZEOF(void *)));
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switch(paramlist->n)
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{
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case 0:
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return (fnptr)(0);
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case 1:
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case 2:
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case 3:
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case 4:
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return (fnptr)(paramlist->n, VAR_ARGS4(paramlist->arg));
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case 5:
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case 6:
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case 7:
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case 8:
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return (fnptr)(paramlist->n, VAR_ARGS8(paramlist->arg));
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case 9:
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case 10:
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case 11:
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case 12:
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return (fnptr)(paramlist->n, VAR_ARGS12(paramlist->arg));
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case 13:
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case 14:
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case 15:
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case 16:
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return (fnptr)(paramlist->n, VAR_ARGS16(paramlist->arg));
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case 17:
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case 18:
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case 19:
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case 20:
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return (fnptr)(paramlist->n, VAR_ARGS20(paramlist->arg));
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case 21:
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case 22:
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case 23:
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case 24:
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return (fnptr)(paramlist->n, VAR_ARGS24(paramlist->arg));
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case 25:
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case 26:
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case 27:
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case 28:
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return (fnptr)(paramlist->n, VAR_ARGS28(paramlist->arg));
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case 29:
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case 30:
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case 31:
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case 32:
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return (fnptr)(paramlist->n, VAR_ARGS32(paramlist->arg));
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default:
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GTMASSERT;
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}
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return 0;
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}
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