/*
* Copyright (c) 2011 Jiri Svoboda
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup libcamd64
* @{
*/
/** @file Definitions needed to write core files in Linux-ELF format.
*/
#ifndef _LIBC_amd64_ELF_LINUX_H_
#define _LIBC_amd64_ELF_LINUX_H_
#include <libarch/istate.h>
#include <stdint.h>
/** Linux kernel struct pt_regs structure.
*
* We need this to save register state to a core file in Linux format
* (readable by GDB configured for Linux target).
*/
typedef struct {
uint64_t r15;
uint64_t r14;
uint64_t r13;
uint64_t r12;
uint64_t rbp;
uint64_t rbx;
uint64_t r11;
uint64_t r10;
uint64_t r9;
uint64_t r8;
uint64_t rax;
uint64_t rcx;
uint64_t rdx;
uint64_t rsi;
uint64_t rdi;
uint64_t old_rax;
uint64_t rip;
uint64_t cs;
uint64_t rflags;
uint64_t rsp;
uint64_t ss;
/*
* The following registers need to be part of elf_regs_t.
* Unfortunately, we don't have any information about them in our
* istate_t.
*/
uint64_t unused_fs_base;
uint64_t unused_gs_base;
uint64_t unused_ds;
uint64_t unused_es;
uint64_t unused_fs;
uint64_t unused_gs;
} elf_regs_t;
/** Convert istate_t to elf_regs_t. */
static inline void istate_to_elf_regs(istate_t *istate, elf_regs_t *elf_regs)
{
elf_regs->r15 = istate->r15;
elf_regs->r14 = istate->r14;
elf_regs->r13 = istate->r13;
elf_regs->r12 = istate->r12;
elf_regs->rbp = istate->rbp;
elf_regs->rbx = istate->rbx;
elf_regs->r11 = istate->r11;
elf_regs->r10 = istate->r10;
elf_regs->r9 = istate->r9;
elf_regs->r8 = istate->r8;
elf_regs->rax = istate->rax;
elf_regs->rcx = istate->rcx;
elf_regs->rdx = istate->rdx;
elf_regs->rsi = istate->rsi;
elf_regs->rdi = istate->rdi;
elf_regs->rip = istate->rip;
elf_regs->cs = istate->cs;
elf_regs->rflags = istate->rflags;
elf_regs->rsp = istate->rsp;
elf_regs->ss = istate->ss;
/*
* Reset the registers for which there is not enough info in istate_t.
*/
elf_regs->unused_fs_base = 0;
elf_regs->unused_gs_base = 0;
elf_regs->unused_ds = 0;
elf_regs->unused_es = 0;
elf_regs->unused_fs = 0;
elf_regs->unused_gs = 0;
}
#endif
/** @}
*/