a1217d97c4
Andrew Jenner <andrew@codesourcery.com> Chung-Lin Tang <cltang@codesourcery.com> Julian Brown <julian@codesourcery.com> Based on the nios2-elf port from Altera Corporation. gdb/ * Makefile.in (ALL_TARGET_OBS): Add nios2-tdep.o and nios2-linux-tdep.o. (HFILES_NO_SRCDIR): Add nios2-tdep.h. (ALLDEPFILES): Add nios2-tdep.c and nios2-linux-tdep.c. * configure.tgt: Add nios2*-*-linux* and nios2*-*-* targets. * nios2-tdep.h: New. * nios2-tdep.c: New. * nios2-linux-tdep.c: New. * features/Makefile (WHICH): Add nios2-linux. (nios2-linux-expedite): Set. * features/nios2-cpu.xml: New. * features/nios2.xml: New. * features/nios2-linux.xml: New. * features/nios2.c: New (autogenerated). * features/nios2-linux.c: New (autogenerated). * regformats/nios2-linux.dat: New (autogenerated). * NEWS (Changes since GDB 7.6): Add new Nios II targets and commands. gdb/doc/ * gdb.texinfo (Nios II): New section. (Nios II Features): New section.
80 lines
2.7 KiB
C
80 lines
2.7 KiB
C
/* Target-dependent header for the Nios II architecture, for GDB.
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Copyright (C) 2012-2013 Free Software Foundation, Inc.
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Contributed by Mentor Graphics, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef NIOS2_TDEP_H
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#define NIOS2_TDEP_H
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/* Registers. */
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#define NIOS2_Z_REGNUM 0 /* Zero */
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#define NIOS2_R2_REGNUM 2 /* used for return value */
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#define NIOS2_R3_REGNUM 3 /* used for return value */
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/* Used for hidden zero argument to store ptr to struct return value. */
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#define NIOS2_R4_REGNUM 4
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#define NIOS2_R7_REGNUM 7
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#define NIOS2_GP_REGNUM 26 /* Global Pointer */
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#define NIOS2_SP_REGNUM 27 /* Stack Pointer */
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#define NIOS2_FP_REGNUM 28 /* Frame Pointer */
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#define NIOS2_EA_REGNUM 29 /* Exception address */
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#define NIOS2_BA_REGNUM 30 /* Breakpoint return address */
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#define NIOS2_RA_REGNUM 31 /* Return address */
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#define NIOS2_PC_REGNUM 32
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/* Control registers. */
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#define NIOS2_STATUS_REGNUM 33
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#define NIOS2_ESTATUS_REGNUM 34
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#define NIOS2_BSTATUS_REGNUM 35
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#define NIOS2_IENABLE_REGNUM 36
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#define NIOS2_IPENDING_REGNUM 37
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#define NIOS2_CPUID_REGNUM 38
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#define NIOS2_EXCEPTION_REGNUM 40
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#define NIOS2_PTEADDR_REGNUM 41
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#define NIOS2_TLBACC_REGNUM 42
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#define NIOS2_TLBMISC_REGNUM 43
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#define NIOS2_ECCINJ_REGNUM 44
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#define NIOS2_BADADDR_REGNUM 45
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#define NIOS2_CONFIG_REGNUM 46
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#define NIOS2_MPUBASE_REGNUM 47
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#define NIOS2_MPUACC_REGNUM 48
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/* R4-R7 are used for argument passing. */
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#define NIOS2_FIRST_ARGREG NIOS2_R4_REGNUM
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#define NIOS2_LAST_ARGREG NIOS2_R7_REGNUM
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/* Number of all registers. */
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#define NIOS2_NUM_REGS 49
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/* Size of an instruction, in bytes. */
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#define NIOS2_OPCODE_SIZE 4
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/* Target-dependent structure in gdbarch. */
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struct gdbarch_tdep
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{
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/* Assumes FRAME is stopped at a syscall (trap) instruction; returns
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the expected next PC. */
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CORE_ADDR (*syscall_next_pc) (struct frame_info *frame);
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/* Offset to PC value in jump buffer.
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If this is negative, longjmp support will be disabled. */
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int jb_pc;
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};
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extern struct target_desc *tdesc_nios2_linux;
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extern struct target_desc *tdesc_nios2;
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#endif /* NIOS2_TDEP_H */
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