mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-26 23:10:06 +00:00
83 lines
2.0 KiB
ArmAsm
83 lines
2.0 KiB
ArmAsm
/* longjmp for PowerPC.
|
|
Copyright (C) 1995-2015 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <sysdep.h>
|
|
#include <stap-probe.h>
|
|
#define _ASM
|
|
#ifdef __NO_VMX__
|
|
# include <novmxsetjmp.h>
|
|
#else
|
|
# include <jmpbuf-offsets.h>
|
|
#endif
|
|
|
|
#if defined __SPE__ || (defined __NO_FPRS__ && !defined _SOFT_FLOAT)
|
|
# define LOAD_GP(N) evldd r##N,((JB_FPRS+((N)-14)*2)*4)(r3)
|
|
#else
|
|
# define LOAD_GP(N) lwz r##N,((JB_GPRS+(N)-14)*4)(r3)
|
|
#endif
|
|
|
|
ENTRY (__longjmp_symbol)
|
|
|
|
#if defined PTR_DEMANGLE || defined CHECK_SP
|
|
lwz r24,(JB_GPR1*4)(r3)
|
|
# ifdef CHECK_SP
|
|
# ifdef PTR_DEMANGLE
|
|
PTR_DEMANGLE3 (r24, r24, r25)
|
|
# endif
|
|
CHECK_SP (r24)
|
|
mr r1,r24
|
|
# endif
|
|
#else
|
|
lwz r1,(JB_GPR1*4)(r3)
|
|
#endif
|
|
lwz r0,(JB_LR*4)(r3)
|
|
LOAD_GP (14)
|
|
LOAD_GP (15)
|
|
LOAD_GP (16)
|
|
LOAD_GP (17)
|
|
LOAD_GP (18)
|
|
LOAD_GP (19)
|
|
LOAD_GP (20)
|
|
#ifdef PTR_DEMANGLE
|
|
# ifndef CHECK_SP
|
|
PTR_DEMANGLE3 (r1, r24, r25)
|
|
# endif
|
|
PTR_DEMANGLE2 (r0, r25)
|
|
#endif
|
|
/* longjmp/longjmp_target probe expects longjmp first argument (4@3),
|
|
second argument (-4@4), and target address (4@0), respectively. */
|
|
LIBC_PROBE (longjmp, 3, 4@3, -4@4, 4@0)
|
|
mtlr r0
|
|
LOAD_GP (21)
|
|
LOAD_GP (22)
|
|
lwz r5,(JB_CR*4)(r3)
|
|
LOAD_GP (23)
|
|
LOAD_GP (24)
|
|
LOAD_GP (25)
|
|
mtcrf 0xFF,r5
|
|
LOAD_GP (26)
|
|
LOAD_GP (27)
|
|
LOAD_GP (28)
|
|
LOAD_GP (29)
|
|
LOAD_GP (30)
|
|
LOAD_GP (31)
|
|
LIBC_PROBE (longjmp_target, 3, 4@3, -4@4, 4@0)
|
|
mr r3,r4
|
|
blr
|
|
END (__longjmp_symbol)
|