| 1 | /* PowerPC specific sotruss-lib functions. |
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| 2 | Copyright (C) 2013-2022 Free Software Foundation, Inc. |
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| 3 | |
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| 4 | This file is part of the GNU C Library. |
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| 5 | |
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| 6 | The GNU C Library is free software; you can redistribute it and/or |
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| 7 | modify it under the terms of the GNU Lesser General Public |
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| 8 | License as published by the Free Software Foundation; either |
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| 9 | version 2.1 of the License, or (at your option) any later version. |
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| 10 | |
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| 11 | The GNU C Library is distributed in the hope that it will be useful, |
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | Lesser General Public License for more details. |
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| 15 | |
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| 16 | You should have received a copy of the GNU Lesser General Public |
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| 17 | License along with the GNU C Library. If not, see |
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| 18 | <https://www.gnu.org/licenses/>. */ |
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| 19 | |
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| 20 | #define HAVE_ARCH_PLTENTER |
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| 21 | #define HAVE_ARCH_PLTEXIT |
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| 22 | |
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| 23 | #include <elf/sotruss-lib.c> |
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| 24 | |
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| 25 | #ifdef __powerpc64__ |
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| 26 | # if _CALL_ELF != 2 |
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| 27 | # define LA_PPC_REGS La_ppc64_regs |
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| 28 | # define LA_PPC_RETVAL La_ppc64_retval |
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| 29 | # define LA_PPC_GNU_PLTENTER la_ppc64_gnu_pltenter |
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| 30 | # define LA_PPC_GNU_PLTEXIT la_ppc64_gnu_pltexit |
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| 31 | # else |
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| 32 | # define LA_PPC_REGS La_ppc64v2_regs |
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| 33 | # define LA_PPC_RETVAL La_ppc64v2_retval |
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| 34 | # define LA_PPC_GNU_PLTENTER la_ppc64v2_gnu_pltenter |
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| 35 | # define LA_PPC_GNU_PLTEXIT la_ppc64v2_gnu_pltexit |
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| 36 | # endif |
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| 37 | # else |
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| 38 | # define LA_PPC_REGS La_ppc32_regs |
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| 39 | # define LA_PPC_RETVAL La_ppc32_retval |
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| 40 | # define LA_PPC_GNU_PLTENTER la_ppc32_gnu_pltenter |
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| 41 | # define LA_PPC_GNU_PLTEXIT la_ppc32_gnu_pltexit |
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| 42 | #endif |
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| 43 | |
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| 44 | ElfW(Addr) |
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| 45 | LA_PPC_GNU_PLTENTER (ElfW(Sym) *sym __attribute__ ((unused)), |
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| 46 | unsigned int ndx __attribute__ ((unused)), |
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| 47 | uintptr_t *refcook, uintptr_t *defcook, |
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| 48 | LA_PPC_REGS *regs, unsigned int *flags, |
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| 49 | const char *symname, long int *framesizep) |
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| 50 | { |
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| 51 | print_enter (refcook, defcook, symname, |
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| 52 | reg1: regs->lr_reg[0], reg2: regs->lr_reg[1], reg3: regs->lr_reg[2], flags: *flags); |
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| 53 | |
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| 54 | /* No need to copy anything, we will not need the parameters in any case. */ |
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| 55 | *framesizep = 0; |
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| 56 | |
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| 57 | return sym->st_value; |
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| 58 | } |
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| 59 | |
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| 60 | unsigned int |
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| 61 | LA_PPC_GNU_PLTEXIT (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook, |
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| 62 | uintptr_t *defcook, |
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| 63 | const struct LA_PPC_REGS *inregs, |
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| 64 | struct LA_PPC_RETVAL *outregs, const char *symname) |
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| 65 | { |
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| 66 | print_exit (refcook, defcook, symname, reg: outregs->lrv_r3); |
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| 67 | |
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| 68 | return 0; |
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| 69 | } |
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| 70 | |
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