2003-03-31 16:34:49 +00:00
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/* longjmp for PowerPC.
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Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <ppc_asm.tmpl>
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# define JB_GPR1 0 /* Also known as the stack pointer */
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# define JB_GPR2 1
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# define JB_LR 2 /* The address we will return to */
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# define JB_GPRS 3 /* GPRs 14 through 31 are saved, 18 in total */
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# define JB_CR 21 /* Condition code registers. */
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# define JB_FPRS 22 /* FPRs 14 through 31 are saved, 18*2 words total */
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# define JB_SIZE (58*4)
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#define FP(x...) x
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#define FP(x...) x
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2003-04-05 00:53:31 +00:00
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.globl ppc_longjmp;
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2003-03-31 16:34:49 +00:00
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2003-04-05 00:53:31 +00:00
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ppc_longjmp:
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2003-03-31 16:34:49 +00:00
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lwz r1,(JB_GPR1*4)(r3)
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lwz r2,(JB_GPR2*4)(r3)
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lwz r0,(JB_LR*4)(r3)
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lwz r14,((JB_GPRS+0)*4)(r3)
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FP( lfd 14,((JB_FPRS+0*2)*4)(r3))
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lwz r15,((JB_GPRS+1)*4)(r3)
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FP( lfd 15,((JB_FPRS+1*2)*4)(r3))
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lwz r16,((JB_GPRS+2)*4)(r3)
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FP( lfd 16,((JB_FPRS+2*2)*4)(r3))
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lwz r17,((JB_GPRS+3)*4)(r3)
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FP( lfd 17,((JB_FPRS+3*2)*4)(r3))
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lwz r18,((JB_GPRS+4)*4)(r3)
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FP( lfd 18,((JB_FPRS+4*2)*4)(r3))
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lwz r19,((JB_GPRS+5)*4)(r3)
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FP( lfd 19,((JB_FPRS+5*2)*4)(r3))
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lwz r20,((JB_GPRS+6)*4)(r3)
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FP( lfd 20,((JB_FPRS+6*2)*4)(r3))
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mtlr r0
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lwz r21,((JB_GPRS+7)*4)(r3)
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FP( lfd 21,((JB_FPRS+7*2)*4)(r3))
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lwz r22,((JB_GPRS+8)*4)(r3)
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FP( lfd 22,((JB_FPRS+8*2)*4)(r3))
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lwz r0,(JB_CR*4)(r3)
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lwz r23,((JB_GPRS+9)*4)(r3)
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FP( lfd 23,((JB_FPRS+9*2)*4)(r3))
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lwz r24,((JB_GPRS+10)*4)(r3)
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FP( lfd 24,((JB_FPRS+10*2)*4)(r3))
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lwz r25,((JB_GPRS+11)*4)(r3)
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FP( lfd 25,((JB_FPRS+11*2)*4)(r3))
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mtcrf 0xFF,r0
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lwz r26,((JB_GPRS+12)*4)(r3)
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FP( lfd 26,((JB_FPRS+12*2)*4)(r3))
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lwz r27,((JB_GPRS+13)*4)(r3)
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FP( lfd 27,((JB_FPRS+13*2)*4)(r3))
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lwz r28,((JB_GPRS+14)*4)(r3)
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FP( lfd 28,((JB_FPRS+14*2)*4)(r3))
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lwz r29,((JB_GPRS+15)*4)(r3)
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FP( lfd 29,((JB_FPRS+15*2)*4)(r3))
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lwz r30,((JB_GPRS+16)*4)(r3)
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FP( lfd 30,((JB_FPRS+16*2)*4)(r3))
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lwz r31,((JB_GPRS+17)*4)(r3)
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FP( lfd 31,((JB_FPRS+17*2)*4)(r3))
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mr r3,r4
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blr
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