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121 lines
3.8 KiB
C
121 lines
3.8 KiB
C
/* Architecture-dependent code for the Fujitsu FR-V, for GDB, the GNU Debugger.
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Copyright (C) 2004-2017 Free Software Foundation, 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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/* Enumerate the possible ABIs for FR-V. */
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enum frv_abi
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{
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FRV_ABI_EABI,
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FRV_ABI_FDPIC
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};
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/* Register numbers. The order in which these appear define the
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remote protocol, so take care in changing them. */
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enum {
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/* Register numbers 0 -- 63 are always reserved for general-purpose
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registers. The chip at hand may have less. */
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first_gpr_regnum = 0,
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sp_regnum = 1,
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fp_regnum = 2,
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struct_return_regnum = 3,
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last_gpr_regnum = 63,
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/* Register numbers 64 -- 127 are always reserved for floating-point
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registers. The chip at hand may have less. */
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first_fpr_regnum = 64,
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last_fpr_regnum = 127,
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/* The PC register. */
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pc_regnum = 128,
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/* Register numbers 129 on up are always reserved for special-purpose
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registers. */
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first_spr_regnum = 129,
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psr_regnum = 129,
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ccr_regnum = 130,
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cccr_regnum = 131,
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fdpic_loadmap_exec_regnum = 132,
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fdpic_loadmap_interp_regnum = 133,
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tbr_regnum = 135,
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brr_regnum = 136,
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dbar0_regnum = 137,
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dbar1_regnum = 138,
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dbar2_regnum = 139,
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dbar3_regnum = 140,
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scr0_regnum = 141,
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scr1_regnum = 142,
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scr2_regnum = 143,
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scr3_regnum = 144,
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lr_regnum = 145,
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lcr_regnum = 146,
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iacc0h_regnum = 147,
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iacc0l_regnum = 148,
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fsr0_regnum = 149,
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acc0_regnum = 150,
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acc7_regnum = 157,
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accg0123_regnum = 158,
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accg4567_regnum = 159,
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msr0_regnum = 160,
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msr1_regnum = 161,
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gner0_regnum = 162,
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gner1_regnum = 163,
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fner0_regnum = 164,
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fner1_regnum = 165,
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last_spr_regnum = 165,
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/* The total number of registers we know exist. */
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frv_num_regs = last_spr_regnum + 1,
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/* Pseudo registers */
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first_pseudo_regnum = frv_num_regs,
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/* iacc0 - the 64-bit concatenation of iacc0h and iacc0l. */
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iacc0_regnum = first_pseudo_regnum + 0,
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accg0_regnum = first_pseudo_regnum + 1,
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accg7_regnum = accg0_regnum + 7,
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last_pseudo_regnum = accg7_regnum,
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frv_num_pseudo_regs = last_pseudo_regnum - first_pseudo_regnum + 1,
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};
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/* Return the FR-V ABI associated with GDBARCH. */
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enum frv_abi frv_abi (struct gdbarch *gdbarch);
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/* Fetch the interpreter and executable loadmap addresses (for shared
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library support) for the FDPIC ABI. Return 0 if successful, -1 if
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not. (E.g, -1 will be returned if the ABI isn't the FDPIC ABI.) */
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int frv_fdpic_loadmap_addresses (struct gdbarch *gdbarch,
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CORE_ADDR *interp_addr, CORE_ADDR *exec_addr);
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/* Given a function entry point, find and return the GOT address for the
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containing load module. */
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CORE_ADDR frv_fdpic_find_global_pointer (CORE_ADDR addr);
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/* Given a function entry point, find and return the canonical descriptor
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for that function, if one exists. If no canonical descriptor could
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be found, return 0. */
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CORE_ADDR frv_fdpic_find_canonical_descriptor (CORE_ADDR entry_point);
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/* Given an objfile, return the address of its link map. This value is
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needed for TLS support. */
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CORE_ADDR frv_fetch_objfile_link_map (struct objfile *objfile);
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struct target_so_ops;
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extern struct target_so_ops frv_so_ops;
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