| 1 | /*
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| 2 | * Copyright (c) 2011 Jiri Svoboda
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup libcia32
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| 30 | * @{
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| 31 | */
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| 32 | /** @file Definitions needed to write core files in Linux-ELF format.
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| 33 | */
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| 34 |
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| 35 | #ifndef _LIBC_ia32_ELF_LINUX_H_
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| 36 | #define _LIBC_ia32_ELF_LINUX_H_
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| 37 |
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| 38 | #include <libarch/istate.h>
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| 39 | #include <stdint.h>
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| 40 |
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| 41 | /** Linux kernel struct pt_regs structure.
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| 42 | *
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| 43 | * We need this to save register state to a core file in Linux format
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| 44 | * (readable by GDB configured for Linux target).
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| 45 | */
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| 46 | typedef struct {
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| 47 | uint32_t ebx;
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| 48 | uint32_t ecx;
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| 49 | uint32_t edx;
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| 50 | uint32_t esi;
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| 51 | uint32_t edi;
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| 52 | uint32_t ebp;
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| 53 | uint32_t eax;
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| 54 | uint32_t ds;
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| 55 | uint32_t es;
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| 56 | uint32_t fs;
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| 57 | uint32_t gs;
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| 58 | uint32_t old_eax;
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| 59 | uint32_t eip;
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| 60 | uint32_t cs;
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| 61 | uint32_t eflags;
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| 62 | uint32_t esp;
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| 63 | uint32_t ss;
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| 64 | } elf_regs_t;
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| 65 |
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| 66 | /** Convert istate_t to elf_regs_t. */
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| 67 | static inline void istate_to_elf_regs(istate_t *istate, elf_regs_t *elf_regs)
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| 68 | {
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| 69 | elf_regs->ebx = istate->ebx;
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| 70 | elf_regs->ecx = istate->ecx;
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| 71 | elf_regs->edx = istate->edx;
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| 72 | elf_regs->esi = istate->esi;
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| 73 | elf_regs->edi = istate->edi;
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| 74 | elf_regs->ebp = istate->ebp;
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| 75 | elf_regs->eax = istate->eax;
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| 76 |
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| 77 | elf_regs->ds = istate->ds;
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| 78 | elf_regs->es = istate->es;
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| 79 | elf_regs->fs = istate->fs;
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| 80 | elf_regs->gs = istate->gs;
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| 81 |
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| 82 | elf_regs->old_eax = 0;
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| 83 | elf_regs->eip = istate->eip;
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| 84 | elf_regs->cs = istate->cs;
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| 85 | elf_regs->eflags = istate->eflags;
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| 86 | elf_regs->esp = istate->esp;
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| 87 | elf_regs->ss = istate->ss;
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| 88 | }
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| 89 |
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| 90 | #endif
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| 91 |
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| 92 | /** @}
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| 93 | */
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