131 lines
3.8 KiB
ArmAsm
131 lines
3.8 KiB
ArmAsm
/*********************************************************************/
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/* */
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/* Objective Caml */
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/* */
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/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
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/* */
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/* Copyright 1996 Institut National de Recherche en Informatique et */
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/* Automatique. Distributed only by permission. */
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/* */
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/*********************************************************************/
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/* $Id$ */
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/* Save and restore all callee-save registers */
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/* GPR 14 at sp+16 ... GPR 31 at sp+84
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FPR 14 at sp+92 ... FPR 31 at sp+228 */
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#define Save_callee_save \
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addic 11, 1, 16-4; \
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stwu 14, 4(11); \
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stwu 15, 4(11); \
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stwu 16, 4(11); \
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stwu 17, 4(11); \
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stwu 18, 4(11); \
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stwu 19, 4(11); \
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stwu 20, 4(11); \
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stwu 21, 4(11); \
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stwu 22, 4(11); \
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stwu 23, 4(11); \
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stwu 24, 4(11); \
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stwu 25, 4(11); \
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stwu 26, 4(11); \
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stwu 27, 4(11); \
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stwu 28, 4(11); \
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stwu 29, 4(11); \
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stwu 30, 4(11); \
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stwu 31, 4(11); \
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stfdu 14, 8(11); \
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stfdu 15, 8(11); \
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stfdu 16, 8(11); \
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stfdu 17, 8(11); \
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stfdu 18, 8(11); \
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stfdu 19, 8(11); \
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stfdu 20, 8(11); \
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stfdu 21, 8(11); \
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stfdu 22, 8(11); \
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stfdu 23, 8(11); \
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stfdu 24, 8(11); \
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stfdu 25, 8(11); \
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stfdu 26, 8(11); \
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stfdu 27, 8(11); \
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stfdu 28, 8(11); \
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stfdu 29, 8(11); \
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stfdu 30, 8(11); \
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stfdu 31, 8(11)
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#define Restore_callee_save \
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addic 11, 1, 16-4; \
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lwzu 14, 4(11); \
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lwzu 15, 4(11); \
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lwzu 16, 4(11); \
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lwzu 17, 4(11); \
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lwzu 18, 4(11); \
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lwzu 19, 4(11); \
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lwzu 20, 4(11); \
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lwzu 21, 4(11); \
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lwzu 22, 4(11); \
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lwzu 23, 4(11); \
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lwzu 24, 4(11); \
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lwzu 25, 4(11); \
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lwzu 26, 4(11); \
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lwzu 27, 4(11); \
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lwzu 28, 4(11); \
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lwzu 29, 4(11); \
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lwzu 30, 4(11); \
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lwzu 31, 4(11); \
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lfdu 14, 8(11); \
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lfdu 15, 8(11); \
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lfdu 16, 8(11); \
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lfdu 17, 8(11); \
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lfdu 18, 8(11); \
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lfdu 19, 8(11); \
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lfdu 20, 8(11); \
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lfdu 21, 8(11); \
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lfdu 22, 8(11); \
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lfdu 23, 8(11); \
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lfdu 24, 8(11); \
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lfdu 25, 8(11); \
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lfdu 26, 8(11); \
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lfdu 27, 8(11); \
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lfdu 28, 8(11); \
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lfdu 29, 8(11); \
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lfdu 30, 8(11); \
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lfdu 31, 8(11)
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.section ".text"
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.globl call_gen_code
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.type call_gen_code, @function
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call_gen_code:
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/* Allocate and link stack frame */
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stwu 1, -256(1)
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/* Save return address */
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mflr 0
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stw 0, 256+4(1)
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/* Save all callee-save registers */
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Save_callee_save
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/* Shuffle arguments */
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mtlr 3
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mr 3, 4
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mr 4, 5
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mr 5, 6
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mr 6, 7
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/* Call the function */
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blrl
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/* Restore callee-save registers */
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Restore_callee_save
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/* Reload return address */
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lwz 0, 256+4(1)
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mtlr 0
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/* Return */
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addi 1, 1, 256
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blr
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.globl caml_c_call
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.type caml_c_call, @function
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caml_c_call:
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/* Jump to C function (address in 11) */
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mtctr 11
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bctr
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