Index: uspace/lib/c/arch/mips32/include/libarch/elf_linux.h
===================================================================
--- uspace/lib/c/arch/mips32/include/libarch/elf_linux.h	(revision 2b95d13f98bfcaac3a7fb025f44c611b5d228c08)
+++ uspace/lib/c/arch/mips32/include/libarch/elf_linux.h	(revision 2b95d13f98bfcaac3a7fb025f44c611b5d228c08)
@@ -0,0 +1,134 @@
+/*
+ * 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 libcmips32
+ * @{
+ */
+/** @file Definitions needed to write core files in Linux-ELF format.
+ */
+
+#ifndef LIBC_mips32_ELF_LINUX_H_
+#define LBIC_mips32_ELF_LINUX_H_
+
+#include <libarch/istate.h>
+#include <sys/types.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 pad0[6];
+
+	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 r11;
+	uint32_t r12;
+	uint32_t r13;
+	uint32_t r14;
+	uint32_t r15;
+	uint32_t r16;
+	uint32_t r17;
+	uint32_t r18;
+	uint32_t r19;
+	uint32_t r20;
+	uint32_t r21;
+	uint32_t r22;
+	uint32_t r23;
+	uint32_t r24;
+	uint32_t r25;
+	uint32_t r26;
+	uint32_t r27;
+	uint32_t r28;
+	uint32_t r29;
+	uint32_t r30;
+	uint32_t r31;
+
+	uint32_t cp0_status;
+	uint32_t hi;
+	uint32_t lo;
+	uint32_t cp0_badvaddr;
+	uint32_t cp0_cause;
+	uint32_t cp0_epc;
+} 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->r1 = istate->at;
+	elf_regs->r2 = istate->v0;
+	elf_regs->r3 = istate->v1;
+	elf_regs->r4 = istate->a0;
+	elf_regs->r5 = istate->a1;
+	elf_regs->r6 = istate->a2;
+	elf_regs->r7 = istate->a3;
+	elf_regs->r8 = istate->t0;
+	elf_regs->r9 = istate->t1;
+	elf_regs->r10 = istate->t2;
+	elf_regs->r11 = istate->t3;
+	elf_regs->r12 = istate->t4;
+	elf_regs->r13 = istate->t5;
+	elf_regs->r14 = istate->t6;
+	elf_regs->r15 = istate->t7;
+	elf_regs->r16 = istate->s0;
+	elf_regs->r17 = istate->s1;
+	elf_regs->r18 = istate->s2;
+	elf_regs->r19 = istate->s3;
+	elf_regs->r20 = istate->s4;
+	elf_regs->r21 = istate->s5;
+	elf_regs->r22 = istate->s6;
+	elf_regs->r23 = istate->s7;
+	elf_regs->r24 = istate->t8;
+	elf_regs->r25 = istate->t9;
+	elf_regs->r26 = istate->kt0;
+	elf_regs->r27 = istate->kt1;
+	elf_regs->r28 = istate->gp;
+	elf_regs->r29 = istate->sp;
+	elf_regs->r30 = istate->s8;
+	elf_regs->r31 = istate->ra;
+
+	elf_regs->cp0_status = istate->status;
+	elf_regs->hi = istate->hi;
+	elf_regs->lo = istate->lo;
+	elf_regs->cp0_epc = istate->epc;
+}
+
+#endif
+
+/** @}
+ */
