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83 lines
2.0 KiB
ArmAsm
83 lines
2.0 KiB
ArmAsm
/* longjmp for PowerPC.
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Copyright (C) 1995-2018 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, see
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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#include <stap-probe.h>
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#define _ASM
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#ifdef __NO_VMX__
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# include <novmxsetjmp.h>
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#else
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# include <jmpbuf-offsets.h>
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#endif
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#if defined __SPE__ || (defined __NO_FPRS__ && !defined _SOFT_FLOAT)
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# define LOAD_GP(N) evldd r##N,((JB_FPRS+((N)-14)*2)*4)(r3)
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#else
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# define LOAD_GP(N) lwz r##N,((JB_GPRS+(N)-14)*4)(r3)
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#endif
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ENTRY (__longjmp_symbol)
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#if defined PTR_DEMANGLE || defined CHECK_SP
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lwz r24,(JB_GPR1*4)(r3)
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# ifdef CHECK_SP
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# ifdef PTR_DEMANGLE
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PTR_DEMANGLE3 (r24, r24, r25)
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# endif
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CHECK_SP (r24)
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mr r1,r24
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# endif
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#else
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lwz r1,(JB_GPR1*4)(r3)
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#endif
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lwz r0,(JB_LR*4)(r3)
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LOAD_GP (14)
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LOAD_GP (15)
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LOAD_GP (16)
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LOAD_GP (17)
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LOAD_GP (18)
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LOAD_GP (19)
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LOAD_GP (20)
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#ifdef PTR_DEMANGLE
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# ifndef CHECK_SP
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PTR_DEMANGLE3 (r1, r24, r25)
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# endif
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PTR_DEMANGLE2 (r0, r25)
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#endif
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/* longjmp/longjmp_target probe expects longjmp first argument (4@3),
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second argument (-4@4), and target address (4@0), respectively. */
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LIBC_PROBE (longjmp, 3, 4@3, -4@4, 4@0)
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mtlr r0
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LOAD_GP (21)
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LOAD_GP (22)
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lwz r5,(JB_CR*4)(r3)
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LOAD_GP (23)
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LOAD_GP (24)
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LOAD_GP (25)
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mtcrf 0xFF,r5
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LOAD_GP (26)
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LOAD_GP (27)
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LOAD_GP (28)
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LOAD_GP (29)
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LOAD_GP (30)
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LOAD_GP (31)
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LIBC_PROBE (longjmp_target, 3, 4@3, -4@4, 4@0)
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mr r3,r4
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blr
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END (__longjmp_symbol)
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