diff options
Diffstat (limited to 'REORG.TODO/sysdeps/powerpc/powerpc32/__longjmp-common.S')
-rw-r--r-- | REORG.TODO/sysdeps/powerpc/powerpc32/__longjmp-common.S | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/powerpc/powerpc32/__longjmp-common.S b/REORG.TODO/sysdeps/powerpc/powerpc32/__longjmp-common.S new file mode 100644 index 0000000000..4b60a2f9a8 --- /dev/null +++ b/REORG.TODO/sysdeps/powerpc/powerpc32/__longjmp-common.S @@ -0,0 +1,82 @@ +/* longjmp for PowerPC. + Copyright (C) 1995-2017 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) |