source: mainline/uspace/lib/c/arch/arm32/include/libarch/elf_linux.h

/*
 * 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 libcarm32
 * @{
 */
/** @file Definitions needed to write core files in Linux-ELF format.
 */

#ifndef _LIBC_arm32_ELF_LINUX_H_
#define _LIBC_arm32_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 {
        uint32_t r0;
        uint32_t r1;
        uint32_t r2;
        uint32_t r3;
        uint32_t r4;
        uint32_t r5;
        uint32_t r6;
        uint32_t r7;
        uint32_t r8;
        uint32_t r9;
        uint32_t r10;
        uint32_t fp;
        uint32_t r12;
        uint32_t sp;
        uint32_t lr;
        uint32_t pc;
        uint32_t cpsr;
        uint32_t old_r0;
} 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->r0 = istate->r0;
        elf_regs->r1 = istate->r1;
        elf_regs->r2 = istate->r2;
        elf_regs->r3 = istate->r3;
        elf_regs->r4 = istate->r4;
        elf_regs->r5 = istate->r5;
        elf_regs->r6 = istate->r6;
        elf_regs->r7 = istate->r7;
        elf_regs->r8 = istate->r8;
        elf_regs->r9 = istate->r9;
        elf_regs->r10 = istate->r10;

        elf_regs->fp = istate->fp;
        elf_regs->r12 = istate->r12;
        elf_regs->sp = istate->sp;
        elf_regs->lr = istate->lr;
        elf_regs->pc = istate->pc;
        elf_regs->cpsr = istate->spsr;
        elf_regs->old_r0 = 0;
}

#endif

/** @}
 */