| 1 | /* Copyright (c) 2014 Jakub Jermar
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| 2 | * All rights reserved.
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| 3 | *
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| 4 | * Redistribution and use in source and binary forms, with or without
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| 5 | * modification, are permitted provided that the following conditions
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| 6 | * are met:
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| 7 | *
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| 8 | * - Redistributions of source code must retain the above copyright
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| 9 | * notice, this list of conditions and the following disclaimer.
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| 10 | * - Redistributions in binary form must reproduce the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer in the
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| 12 | * documentation and/or other materials provided with the distribution.
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| 13 | * - The name of the author may not be used to endorse or promote products
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| 14 | * derived from this software without specific prior written permission.
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| 15 | *
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| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 21 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 22 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 23 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 25 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 26 | */
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| 27 |
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| 28 | #ifndef LIBC_ARCH_FIBRIL_CONTEXT_H_
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| 29 | #define LIBC_ARCH_FIBRIL_CONTEXT_H_
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| 30 |
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| 31 | #define CONTEXT_OFFSET_SP 0x00
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| 32 | #define CONTEXT_OFFSET_PC 0x08
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| 33 | #define CONTEXT_OFFSET_RBX 0x10
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| 34 | #define CONTEXT_OFFSET_RBP 0x18
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| 35 | #define CONTEXT_OFFSET_R12 0x20
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| 36 | #define CONTEXT_OFFSET_R13 0x28
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| 37 | #define CONTEXT_OFFSET_R14 0x30
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| 38 | #define CONTEXT_OFFSET_R15 0x38
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| 39 | #define CONTEXT_OFFSET_TLS 0x40
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| 40 | #define CONTEXT_SIZE 0x48
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| 41 |
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| 42 | #ifndef __ASSEMBLER__
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| 43 |
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| 44 | #include <stdint.h>
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| 45 |
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| 46 | typedef struct context {
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| 47 | /* We include only registers that must be preserved
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| 48 | * during function call.
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| 49 | */
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| 50 | uint64_t sp;
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| 51 | uint64_t pc;
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| 52 | uint64_t rbx;
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| 53 | uint64_t rbp;
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| 54 | uint64_t r12;
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| 55 | uint64_t r13;
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| 56 | uint64_t r14;
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| 57 | uint64_t r15;
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| 58 | uint64_t tls;
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| 59 | } context_t;
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| 60 |
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| 61 | #endif
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| 62 | #endif
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| 63 |
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