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| 1 | /* Copyright (C) 1999-2022 Free Software Foundation, Inc. |
|---|---|
| 2 | This file is part of the GNU C Library. |
| 3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either |
| 7 | version 2.1 of the License, or (at your option) any later version. |
| 8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <https://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #ifndef _SIGCONTEXTINFO_H |
| 19 | #define _SIGCONTEXTINFO_H |
| 20 | |
| 21 | /* The sparc32 kernel signal frame for SA_SIGINFO is defined as: |
| 22 | |
| 23 | struct rt_signal_frame32 |
| 24 | { |
| 25 | struct sparc_stackf32 ss; |
| 26 | compat_siginfo_t info; |
| 27 | struct pt_regs32 regs; <- void *ctx |
| 28 | compat_sigset_t mask; |
| 29 | u32 fpu_save; |
| 30 | unsigned int insns[2]; |
| 31 | compat_stack_t stack; |
| 32 | unsigned int extra_size; |
| 33 | siginfo_extra_v8plus_t v8plus; |
| 34 | u32 rwin_save; |
| 35 | } __attribute__((aligned(8))); |
| 36 | |
| 37 | Unlike other architectures, sparc32 passes pt_regs32 REGS pointer as |
| 38 | the third argument to a sa_sigaction handler with SA_SIGINFO enabled. */ |
| 39 | |
| 40 | struct pt_regs32 |
| 41 | { |
| 42 | unsigned int psr; |
| 43 | unsigned int pc; |
| 44 | unsigned int npc; |
| 45 | unsigned int y; |
| 46 | unsigned int u_regs[16]; |
| 47 | }; |
| 48 | |
| 49 | static inline uintptr_t |
| 50 | sigcontext_get_pc (const struct pt_regs32 *ctx) |
| 51 | { |
| 52 | return ctx->pc; |
| 53 | } |
| 54 | |
| 55 | #endif |
| 56 |
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