/* Target-dependent code for the S+core architecture, for GDB,
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/* Target-dependent code for the S+core architecture, for GDB,
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the GNU Debugger.
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the GNU Debugger.
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Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.
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Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.
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Contributed by Qinwei (qinwei@sunnorth.com.cn)
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Contributed by Qinwei (qinwei@sunnorth.com.cn)
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Contributed by Ching-Peng Lin (cplin@sunplus.com)
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Contributed by Ching-Peng Lin (cplin@sunplus.com)
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This file is part of GDB.
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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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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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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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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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(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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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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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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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "defs.h"
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#include "gdb_assert.h"
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#include "gdb_assert.h"
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#include "inferior.h"
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#include "inferior.h"
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#include "symtab.h"
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#include "symtab.h"
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#include "objfiles.h"
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#include "objfiles.h"
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#include "gdbcore.h"
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#include "gdbcore.h"
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#include "target.h"
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#include "target.h"
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#include "arch-utils.h"
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#include "arch-utils.h"
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#include "regcache.h"
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#include "regcache.h"
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#include "dis-asm.h"
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#include "dis-asm.h"
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#include "frame-unwind.h"
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#include "frame-unwind.h"
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#include "frame-base.h"
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#include "frame-base.h"
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#include "trad-frame.h"
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#include "trad-frame.h"
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#include "dwarf2-frame.h"
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#include "dwarf2-frame.h"
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#include "score-tdep.h"
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#include "score-tdep.h"
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#define G_FLD(_i,_ms,_ls) (((_i) << (31 - (_ms))) >> (31 - (_ms) + (_ls)))
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#define G_FLD(_i,_ms,_ls) (((_i) << (31 - (_ms))) >> (31 - (_ms) + (_ls)))
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#define RM_PBITS(_raw) ((G_FLD(_raw, 31, 16) << 15) | G_FLD(_raw, 14, 0))
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#define RM_PBITS(_raw) ((G_FLD(_raw, 31, 16) << 15) | G_FLD(_raw, 14, 0))
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typedef struct{
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typedef struct{
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unsigned int v;
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unsigned int v;
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unsigned int raw;
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unsigned int raw;
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char is15;
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char is15;
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}inst_t;
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}inst_t;
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struct score_frame_cache
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struct score_frame_cache
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{
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{
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CORE_ADDR base;
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CORE_ADDR base;
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CORE_ADDR fp;
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CORE_ADDR fp;
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struct trad_frame_saved_reg *saved_regs;
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struct trad_frame_saved_reg *saved_regs;
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};
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};
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#if 0
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#if 0
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/* If S+core GCC will generate these instructions in the prologue:
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/* If S+core GCC will generate these instructions in the prologue:
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lw rx, imm1
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lw rx, imm1
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addi rx, -imm2
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addi rx, -imm2
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mv! r2, rx
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mv! r2, rx
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then .pdr section is used. */
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then .pdr section is used. */
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#define P_SIZE 8
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#define P_SIZE 8
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#define PI_SYM 0
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#define PI_SYM 0
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#define PI_R_MSK 1
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#define PI_R_MSK 1
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#define PI_R_OFF 2
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#define PI_R_OFF 2
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#define PI_R_LEF 4
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#define PI_R_LEF 4
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#define PI_F_OFF 5
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#define PI_F_OFF 5
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#define PI_F_REG 6
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#define PI_F_REG 6
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#define PI_RAREG 7
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#define PI_RAREG 7
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typedef struct frame_extra_info
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typedef struct frame_extra_info
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{
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{
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CORE_ADDR p_frame;
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CORE_ADDR p_frame;
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unsigned int pdr[P_SIZE];
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unsigned int pdr[P_SIZE];
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} extra_info_t;
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} extra_info_t;
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struct obj_priv
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struct obj_priv
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{
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{
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bfd_size_type size;
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bfd_size_type size;
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char *contents;
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char *contents;
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};
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};
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static bfd *the_bfd;
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static bfd *the_bfd;
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static int
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static int
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score_compare_pdr_entries (const void *a, const void *b)
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score_compare_pdr_entries (const void *a, const void *b)
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{
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{
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CORE_ADDR lhs = bfd_get_32 (the_bfd, (bfd_byte *) a);
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CORE_ADDR lhs = bfd_get_32 (the_bfd, (bfd_byte *) a);
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CORE_ADDR rhs = bfd_get_32 (the_bfd, (bfd_byte *) b);
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CORE_ADDR rhs = bfd_get_32 (the_bfd, (bfd_byte *) b);
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if (lhs < rhs)
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if (lhs < rhs)
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return -1;
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return -1;
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else if (lhs == rhs)
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else if (lhs == rhs)
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return 0;
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return 0;
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else
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else
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return 1;
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return 1;
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}
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}
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static void
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static void
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score_analyze_pdr_section (CORE_ADDR startaddr, CORE_ADDR pc,
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score_analyze_pdr_section (CORE_ADDR startaddr, CORE_ADDR pc,
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struct frame_info *next_frame,
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struct frame_info *next_frame,
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struct score_frame_cache *this_cache)
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struct score_frame_cache *this_cache)
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{
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{
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struct symbol *sym;
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struct symbol *sym;
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struct obj_section *sec;
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struct obj_section *sec;
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extra_info_t *fci_ext;
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extra_info_t *fci_ext;
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CORE_ADDR leaf_ra_stack_addr = -1;
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CORE_ADDR leaf_ra_stack_addr = -1;
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gdb_assert (startaddr <= pc);
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gdb_assert (startaddr <= pc);
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gdb_assert (this_cache != NULL);
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gdb_assert (this_cache != NULL);
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fci_ext = frame_obstack_zalloc (sizeof (extra_info_t));
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fci_ext = frame_obstack_zalloc (sizeof (extra_info_t));
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if ((sec = find_pc_section (pc)) == NULL)
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if ((sec = find_pc_section (pc)) == NULL)
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{
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{
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error ("Error: Can't find section in file:%s, line:%d!",
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error ("Error: Can't find section in file:%s, line:%d!",
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__FILE__, __LINE__);
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__FILE__, __LINE__);
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return;
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return;
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}
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}
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/* Anylyze .pdr section and get coresponding fields. */
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/* Anylyze .pdr section and get coresponding fields. */
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{
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{
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static struct obj_priv *priv = NULL;
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static struct obj_priv *priv = NULL;
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if (priv == NULL)
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if (priv == NULL)
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{
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{
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asection *bfdsec;
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asection *bfdsec;
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priv = obstack_alloc (&sec->objfile->objfile_obstack,
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priv = obstack_alloc (&sec->objfile->objfile_obstack,
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sizeof (struct obj_priv));
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sizeof (struct obj_priv));
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if ((bfdsec = bfd_get_section_by_name (sec->objfile->obfd, ".pdr")))
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if ((bfdsec = bfd_get_section_by_name (sec->objfile->obfd, ".pdr")))
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{
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{
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priv->size = bfd_section_size (sec->objfile->obfd, bfdsec);
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priv->size = bfd_section_size (sec->objfile->obfd, bfdsec);
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priv->contents = obstack_alloc (&sec->objfile->objfile_obstack,
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priv->contents = obstack_alloc (&sec->objfile->objfile_obstack,
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priv->size);
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priv->size);
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bfd_get_section_contents (sec->objfile->obfd, bfdsec,
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bfd_get_section_contents (sec->objfile->obfd, bfdsec,
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priv->contents, 0, priv->size);
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priv->contents, 0, priv->size);
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the_bfd = sec->objfile->obfd;
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the_bfd = sec->objfile->obfd;
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qsort (priv->contents, priv->size / 32, 32,
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qsort (priv->contents, priv->size / 32, 32,
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score_compare_pdr_entries);
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score_compare_pdr_entries);
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the_bfd = NULL;
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the_bfd = NULL;
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}
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}
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else
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else
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priv->size = 0;
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priv->size = 0;
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}
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}
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if (priv->size != 0)
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if (priv->size != 0)
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{
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{
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int low = 0, mid, high = priv->size / 32;
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int low = 0, mid, high = priv->size / 32;
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char *ptr;
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char *ptr;
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do
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do
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{
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{
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CORE_ADDR pdr_pc;
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CORE_ADDR pdr_pc;
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mid = (low + high) / 2;
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mid = (low + high) / 2;
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ptr = priv->contents + mid * 32;
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ptr = priv->contents + mid * 32;
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pdr_pc = bfd_get_signed_32 (sec->objfile->obfd, ptr);
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pdr_pc = bfd_get_signed_32 (sec->objfile->obfd, ptr);
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pdr_pc += ANOFFSET (sec->objfile->section_offsets,
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pdr_pc += ANOFFSET (sec->objfile->section_offsets,
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SECT_OFF_TEXT (sec->objfile));
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SECT_OFF_TEXT (sec->objfile));
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if (pdr_pc == startaddr)
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if (pdr_pc == startaddr)
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break;
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break;
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if (pdr_pc > startaddr)
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if (pdr_pc > startaddr)
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high = mid;
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high = mid;
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else
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else
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low = mid + 1;
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low = mid + 1;
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}
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}
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while (low != high);
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while (low != high);
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if (low != high)
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if (low != high)
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{
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{
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gdb_assert (bfd_get_32 (sec->objfile->obfd, ptr) == startaddr);
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gdb_assert (bfd_get_32 (sec->objfile->obfd, ptr) == startaddr);
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#define EXT_PDR(_pi) bfd_get_32(sec->objfile->obfd, ptr+((_pi)<<2))
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#define EXT_PDR(_pi) bfd_get_32(sec->objfile->obfd, ptr+((_pi)<<2))
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fci_ext->pdr[PI_SYM] = EXT_PDR (PI_SYM);
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fci_ext->pdr[PI_SYM] = EXT_PDR (PI_SYM);
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fci_ext->pdr[PI_R_MSK] = EXT_PDR (PI_R_MSK);
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fci_ext->pdr[PI_R_MSK] = EXT_PDR (PI_R_MSK);
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fci_ext->pdr[PI_R_OFF] = EXT_PDR (PI_R_OFF);
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fci_ext->pdr[PI_R_OFF] = EXT_PDR (PI_R_OFF);
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fci_ext->pdr[PI_R_LEF] = EXT_PDR (PI_R_LEF);
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fci_ext->pdr[PI_R_LEF] = EXT_PDR (PI_R_LEF);
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fci_ext->pdr[PI_F_OFF] = EXT_PDR (PI_F_OFF);
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fci_ext->pdr[PI_F_OFF] = EXT_PDR (PI_F_OFF);
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fci_ext->pdr[PI_F_REG] = EXT_PDR (PI_F_REG);
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fci_ext->pdr[PI_F_REG] = EXT_PDR (PI_F_REG);
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fci_ext->pdr[PI_RAREG] = EXT_PDR (PI_RAREG);
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fci_ext->pdr[PI_RAREG] = EXT_PDR (PI_RAREG);
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#undef EXT_PDR
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#undef EXT_PDR
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}
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}
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}
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}
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}
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}
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}
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}
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#endif
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#endif
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#if 0
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#if 0
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/* Open these functions if build with simulator. */
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/* Open these functions if build with simulator. */
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int
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int
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score_target_can_use_watch (int type, int cnt, int othertype)
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score_target_can_use_watch (int type, int cnt, int othertype)
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{
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{
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if (strcmp (current_target.to_shortname, "sim") == 0)
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if (strcmp (current_target.to_shortname, "sim") == 0)
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{
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{
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return soc_gh_can_use_watch (type, cnt);
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return soc_gh_can_use_watch (type, cnt);
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}
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}
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else
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else
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{
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{
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return (*current_target.to_can_use_hw_breakpoint) (type, cnt, othertype);
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return (*current_target.to_can_use_hw_breakpoint) (type, cnt, othertype);
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}
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}
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}
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}
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int
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int
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score_stopped_by_watch (void)
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score_stopped_by_watch (void)
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{
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{
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if (strcmp (current_target.to_shortname, "sim") == 0)
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if (strcmp (current_target.to_shortname, "sim") == 0)
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{
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{
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return soc_gh_stopped_by_watch ();
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return soc_gh_stopped_by_watch ();
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}
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}
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else
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else
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{
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{
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return (*current_target.to_stopped_by_watchpoint) ();
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return (*current_target.to_stopped_by_watchpoint) ();
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}
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}
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}
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}
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int
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int
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score_target_insert_watchpoint (CORE_ADDR addr, int len, int type)
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score_target_insert_watchpoint (CORE_ADDR addr, int len, int type)
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{
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{
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if (strcmp (current_target.to_shortname, "sim") == 0)
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if (strcmp (current_target.to_shortname, "sim") == 0)
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{
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{
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return soc_gh_add_watch (addr, len, type);
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return soc_gh_add_watch (addr, len, type);
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}
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}
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else
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else
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{
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{
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return (*current_target.to_insert_watchpoint) (addr, len, type);
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return (*current_target.to_insert_watchpoint) (addr, len, type);
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}
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}
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}
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}
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int
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int
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score_target_remove_watchpoint (CORE_ADDR addr, int len, int type)
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score_target_remove_watchpoint (CORE_ADDR addr, int len, int type)
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{
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{
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if (strcmp (current_target.to_shortname, "sim") == 0)
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if (strcmp (current_target.to_shortname, "sim") == 0)
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{
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{
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return soc_gh_del_watch (addr, len, type);
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return soc_gh_del_watch (addr, len, type);
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}
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}
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else
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else
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{
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{
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return (*current_target.to_remove_watchpoint) (addr, len, type);
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return (*current_target.to_remove_watchpoint) (addr, len, type);
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}
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}
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}
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}
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int
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int
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score_target_insert_hw_breakpoint (struct bp_target_info * bp_tgt)
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score_target_insert_hw_breakpoint (struct bp_target_info * bp_tgt)
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{
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{
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if (strcmp (current_target.to_shortname, "sim") == 0)
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if (strcmp (current_target.to_shortname, "sim") == 0)
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{
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{
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return soc_gh_add_hardbp (bp_tgt->placed_address);
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return soc_gh_add_hardbp (bp_tgt->placed_address);
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}
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}
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else
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else
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{
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{
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return (*current_target.to_insert_hw_breakpoint) (bp_tgt);
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return (*current_target.to_insert_hw_breakpoint) (bp_tgt);
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}
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}
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}
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}
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int
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int
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score_target_remove_hw_breakpoint (struct bp_target_info * bp_tgt)
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score_target_remove_hw_breakpoint (struct bp_target_info * bp_tgt)
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{
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{
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if (strcmp (current_target.to_shortname, "sim") == 0)
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if (strcmp (current_target.to_shortname, "sim") == 0)
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{
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{
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return soc_gh_del_hardbp (bp_tgt->placed_address);
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return soc_gh_del_hardbp (bp_tgt->placed_address);
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}
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}
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else
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else
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{
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{
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return (*current_target.to_remove_hw_breakpoint) (bp_tgt);
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return (*current_target.to_remove_hw_breakpoint) (bp_tgt);
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}
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}
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}
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}
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#endif
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#endif
|
|
|
static struct type *
|
static struct type *
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score_register_type (struct gdbarch *gdbarch, int regnum)
|
score_register_type (struct gdbarch *gdbarch, int regnum)
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{
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{
|
gdb_assert (regnum >= 0 && regnum < SCORE_NUM_REGS);
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gdb_assert (regnum >= 0 && regnum < SCORE_NUM_REGS);
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return builtin_type_uint32;
|
return builtin_type_uint32;
|
}
|
}
|
|
|
static CORE_ADDR
|
static CORE_ADDR
|
score_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
|
score_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
|
{
|
{
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return frame_unwind_register_unsigned (next_frame, SCORE_PC_REGNUM);
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return frame_unwind_register_unsigned (next_frame, SCORE_PC_REGNUM);
|
}
|
}
|
|
|
static CORE_ADDR
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static CORE_ADDR
|
score_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
|
score_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
|
{
|
{
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return frame_unwind_register_unsigned (next_frame, SCORE_SP_REGNUM);
|
return frame_unwind_register_unsigned (next_frame, SCORE_SP_REGNUM);
|
}
|
}
|
|
|
static const char *
|
static const char *
|
score_register_name (struct gdbarch *gdbarch, int regnum)
|
score_register_name (struct gdbarch *gdbarch, int regnum)
|
{
|
{
|
const char *score_register_names[] = {
|
const char *score_register_names[] = {
|
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
|
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
|
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
|
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
|
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
|
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
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"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
|
"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
|
|
|
"PSR", "COND", "ECR", "EXCPVEC",
|
"PSR", "COND", "ECR", "EXCPVEC",
|
"CCR", "EPC", "EMA", "TLBLOCK",
|
"CCR", "EPC", "EMA", "TLBLOCK",
|
"TLBPT", "PEADDR", "TLBRPT", "PEVN",
|
"TLBPT", "PEADDR", "TLBRPT", "PEVN",
|
"PECTX", "LIMPFN", "LDMPFN", "PREV",
|
"PECTX", "LIMPFN", "LDMPFN", "PREV",
|
"DREG", "PC", "DSAVE", "COUNTER",
|
"DREG", "PC", "DSAVE", "COUNTER",
|
"LDCR", "STCR", "CEH", "CEL",
|
"LDCR", "STCR", "CEH", "CEL",
|
};
|
};
|
|
|
gdb_assert (regnum >= 0 && regnum < SCORE_NUM_REGS);
|
gdb_assert (regnum >= 0 && regnum < SCORE_NUM_REGS);
|
return score_register_names[regnum];
|
return score_register_names[regnum];
|
}
|
}
|
|
|
static int
|
static int
|
score_register_sim_regno (struct gdbarch *gdbarch, int regnum)
|
score_register_sim_regno (struct gdbarch *gdbarch, int regnum)
|
{
|
{
|
gdb_assert (regnum >= 0 && regnum < SCORE_NUM_REGS);
|
gdb_assert (regnum >= 0 && regnum < SCORE_NUM_REGS);
|
return regnum;
|
return regnum;
|
}
|
}
|
|
|
static int
|
static int
|
score_print_insn (bfd_vma memaddr, struct disassemble_info *info)
|
score_print_insn (bfd_vma memaddr, struct disassemble_info *info)
|
{
|
{
|
if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG)
|
if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG)
|
return print_insn_big_score (memaddr, info);
|
return print_insn_big_score (memaddr, info);
|
else
|
else
|
return print_insn_little_score (memaddr, info);
|
return print_insn_little_score (memaddr, info);
|
}
|
}
|
|
|
static const gdb_byte *
|
static const gdb_byte *
|
score_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr,
|
score_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr,
|
int *lenptr)
|
int *lenptr)
|
{
|
{
|
gdb_byte buf[SCORE_INSTLEN] = { 0 };
|
gdb_byte buf[SCORE_INSTLEN] = { 0 };
|
int ret;
|
int ret;
|
unsigned int raw;
|
unsigned int raw;
|
|
|
if ((ret = target_read_memory (*pcptr & ~0x3, buf, SCORE_INSTLEN)) != 0)
|
if ((ret = target_read_memory (*pcptr & ~0x3, buf, SCORE_INSTLEN)) != 0)
|
{
|
{
|
error ("Error: target_read_memory in file:%s, line:%d!",
|
error ("Error: target_read_memory in file:%s, line:%d!",
|
__FILE__, __LINE__);
|
__FILE__, __LINE__);
|
}
|
}
|
raw = extract_unsigned_integer (buf, SCORE_INSTLEN);
|
raw = extract_unsigned_integer (buf, SCORE_INSTLEN);
|
|
|
if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG)
|
if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG)
|
{
|
{
|
if (!(raw & 0x80008000))
|
if (!(raw & 0x80008000))
|
{
|
{
|
/* 16bits instruction. */
|
/* 16bits instruction. */
|
static gdb_byte big_breakpoint16[] = { 0x60, 0x02 };
|
static gdb_byte big_breakpoint16[] = { 0x60, 0x02 };
|
*pcptr &= ~0x1;
|
*pcptr &= ~0x1;
|
*lenptr = sizeof (big_breakpoint16);
|
*lenptr = sizeof (big_breakpoint16);
|
return big_breakpoint16;
|
return big_breakpoint16;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* 32bits instruction. */
|
/* 32bits instruction. */
|
static gdb_byte big_breakpoint32[] = { 0x80, 0x00, 0x80, 0x06 };
|
static gdb_byte big_breakpoint32[] = { 0x80, 0x00, 0x80, 0x06 };
|
*pcptr &= ~0x3;
|
*pcptr &= ~0x3;
|
*lenptr = sizeof (big_breakpoint32);
|
*lenptr = sizeof (big_breakpoint32);
|
return big_breakpoint32;
|
return big_breakpoint32;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
if (!(raw & 0x80008000))
|
if (!(raw & 0x80008000))
|
{
|
{
|
/* 16bits instruction. */
|
/* 16bits instruction. */
|
static gdb_byte little_breakpoint16[] = { 0x02, 0x60 };
|
static gdb_byte little_breakpoint16[] = { 0x02, 0x60 };
|
*pcptr &= ~0x1;
|
*pcptr &= ~0x1;
|
*lenptr = sizeof (little_breakpoint16);
|
*lenptr = sizeof (little_breakpoint16);
|
return little_breakpoint16;
|
return little_breakpoint16;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* 32bits instruction. */
|
/* 32bits instruction. */
|
static gdb_byte little_breakpoint32[] = { 0x06, 0x80, 0x00, 0x80 };
|
static gdb_byte little_breakpoint32[] = { 0x06, 0x80, 0x00, 0x80 };
|
*pcptr &= ~0x3;
|
*pcptr &= ~0x3;
|
*lenptr = sizeof (little_breakpoint32);
|
*lenptr = sizeof (little_breakpoint32);
|
return little_breakpoint32;
|
return little_breakpoint32;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
static CORE_ADDR
|
static CORE_ADDR
|
score_frame_align (struct gdbarch *gdbarch, CORE_ADDR addr)
|
score_frame_align (struct gdbarch *gdbarch, CORE_ADDR addr)
|
{
|
{
|
return align_down (addr, 16);
|
return align_down (addr, 16);
|
}
|
}
|
|
|
static void
|
static void
|
score_xfer_register (struct regcache *regcache, int regnum, int length,
|
score_xfer_register (struct regcache *regcache, int regnum, int length,
|
enum bfd_endian endian, gdb_byte *readbuf,
|
enum bfd_endian endian, gdb_byte *readbuf,
|
const gdb_byte *writebuf, int buf_offset)
|
const gdb_byte *writebuf, int buf_offset)
|
{
|
{
|
int reg_offset = 0;
|
int reg_offset = 0;
|
gdb_assert (regnum >= 0 && regnum < SCORE_NUM_REGS);
|
gdb_assert (regnum >= 0 && regnum < SCORE_NUM_REGS);
|
|
|
switch (endian)
|
switch (endian)
|
{
|
{
|
case BFD_ENDIAN_BIG:
|
case BFD_ENDIAN_BIG:
|
reg_offset = SCORE_REGSIZE - length;
|
reg_offset = SCORE_REGSIZE - length;
|
break;
|
break;
|
case BFD_ENDIAN_LITTLE:
|
case BFD_ENDIAN_LITTLE:
|
reg_offset = 0;
|
reg_offset = 0;
|
break;
|
break;
|
case BFD_ENDIAN_UNKNOWN:
|
case BFD_ENDIAN_UNKNOWN:
|
reg_offset = 0;
|
reg_offset = 0;
|
break;
|
break;
|
default:
|
default:
|
error ("Error: score_xfer_register in file:%s, line:%d!",
|
error ("Error: score_xfer_register in file:%s, line:%d!",
|
__FILE__, __LINE__);
|
__FILE__, __LINE__);
|
}
|
}
|
|
|
if (readbuf != NULL)
|
if (readbuf != NULL)
|
regcache_cooked_read_part (regcache, regnum, reg_offset, length,
|
regcache_cooked_read_part (regcache, regnum, reg_offset, length,
|
readbuf + buf_offset);
|
readbuf + buf_offset);
|
if (writebuf != NULL)
|
if (writebuf != NULL)
|
regcache_cooked_write_part (regcache, regnum, reg_offset, length,
|
regcache_cooked_write_part (regcache, regnum, reg_offset, length,
|
writebuf + buf_offset);
|
writebuf + buf_offset);
|
}
|
}
|
|
|
static enum return_value_convention
|
static enum return_value_convention
|
score_return_value (struct gdbarch *gdbarch, struct type *type,
|
score_return_value (struct gdbarch *gdbarch, struct type *type,
|
struct regcache *regcache,
|
struct regcache *regcache,
|
gdb_byte * readbuf, const gdb_byte * writebuf)
|
gdb_byte * readbuf, const gdb_byte * writebuf)
|
{
|
{
|
if (TYPE_CODE (type) == TYPE_CODE_STRUCT
|
if (TYPE_CODE (type) == TYPE_CODE_STRUCT
|
|| TYPE_CODE (type) == TYPE_CODE_UNION
|
|| TYPE_CODE (type) == TYPE_CODE_UNION
|
|| TYPE_CODE (type) == TYPE_CODE_ARRAY)
|
|| TYPE_CODE (type) == TYPE_CODE_ARRAY)
|
return RETURN_VALUE_STRUCT_CONVENTION;
|
return RETURN_VALUE_STRUCT_CONVENTION;
|
else
|
else
|
{
|
{
|
int offset;
|
int offset;
|
int regnum;
|
int regnum;
|
for (offset = 0, regnum = SCORE_A0_REGNUM;
|
for (offset = 0, regnum = SCORE_A0_REGNUM;
|
offset < TYPE_LENGTH (type);
|
offset < TYPE_LENGTH (type);
|
offset += SCORE_REGSIZE, regnum++)
|
offset += SCORE_REGSIZE, regnum++)
|
{
|
{
|
int xfer = SCORE_REGSIZE;
|
int xfer = SCORE_REGSIZE;
|
if (offset + xfer > TYPE_LENGTH (type))
|
if (offset + xfer > TYPE_LENGTH (type))
|
xfer = TYPE_LENGTH (type) - offset;
|
xfer = TYPE_LENGTH (type) - offset;
|
score_xfer_register (regcache, regnum, xfer,
|
score_xfer_register (regcache, regnum, xfer,
|
gdbarch_byte_order (gdbarch),
|
gdbarch_byte_order (gdbarch),
|
readbuf, writebuf, offset);
|
readbuf, writebuf, offset);
|
}
|
}
|
return RETURN_VALUE_REGISTER_CONVENTION;
|
return RETURN_VALUE_REGISTER_CONVENTION;
|
}
|
}
|
}
|
}
|
|
|
static struct frame_id
|
static struct frame_id
|
score_unwind_dummy_id (struct gdbarch *gdbarch,
|
score_unwind_dummy_id (struct gdbarch *gdbarch,
|
struct frame_info *next_frame)
|
struct frame_info *next_frame)
|
{
|
{
|
return frame_id_build (
|
return frame_id_build (
|
frame_unwind_register_unsigned (next_frame, SCORE_SP_REGNUM),
|
frame_unwind_register_unsigned (next_frame, SCORE_SP_REGNUM),
|
frame_pc_unwind (next_frame));
|
frame_pc_unwind (next_frame));
|
}
|
}
|
|
|
static int
|
static int
|
score_type_needs_double_align (struct type *type)
|
score_type_needs_double_align (struct type *type)
|
{
|
{
|
enum type_code typecode = TYPE_CODE (type);
|
enum type_code typecode = TYPE_CODE (type);
|
|
|
if ((typecode == TYPE_CODE_INT && TYPE_LENGTH (type) == 8)
|
if ((typecode == TYPE_CODE_INT && TYPE_LENGTH (type) == 8)
|
|| (typecode == TYPE_CODE_FLT && TYPE_LENGTH (type) == 8))
|
|| (typecode == TYPE_CODE_FLT && TYPE_LENGTH (type) == 8))
|
return 1;
|
return 1;
|
else if (typecode == TYPE_CODE_STRUCT || typecode == TYPE_CODE_UNION)
|
else if (typecode == TYPE_CODE_STRUCT || typecode == TYPE_CODE_UNION)
|
{
|
{
|
int i, n;
|
int i, n;
|
|
|
n = TYPE_NFIELDS (type);
|
n = TYPE_NFIELDS (type);
|
for (i = 0; i < n; i++)
|
for (i = 0; i < n; i++)
|
if (score_type_needs_double_align (TYPE_FIELD_TYPE (type, i)))
|
if (score_type_needs_double_align (TYPE_FIELD_TYPE (type, i)))
|
return 1;
|
return 1;
|
return 0;
|
return 0;
|
}
|
}
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static CORE_ADDR
|
static CORE_ADDR
|
score_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
|
score_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
|
struct regcache *regcache, CORE_ADDR bp_addr,
|
struct regcache *regcache, CORE_ADDR bp_addr,
|
int nargs, struct value **args, CORE_ADDR sp,
|
int nargs, struct value **args, CORE_ADDR sp,
|
int struct_return, CORE_ADDR struct_addr)
|
int struct_return, CORE_ADDR struct_addr)
|
{
|
{
|
int argnum;
|
int argnum;
|
int argreg;
|
int argreg;
|
int arglen = 0;
|
int arglen = 0;
|
CORE_ADDR stack_offset = 0;
|
CORE_ADDR stack_offset = 0;
|
CORE_ADDR addr = 0;
|
CORE_ADDR addr = 0;
|
|
|
/* Step 1, Save RA. */
|
/* Step 1, Save RA. */
|
regcache_cooked_write_unsigned (regcache, SCORE_RA_REGNUM, bp_addr);
|
regcache_cooked_write_unsigned (regcache, SCORE_RA_REGNUM, bp_addr);
|
|
|
/* Step 2, Make space on the stack for the args. */
|
/* Step 2, Make space on the stack for the args. */
|
struct_addr = align_down (struct_addr, 16);
|
struct_addr = align_down (struct_addr, 16);
|
sp = align_down (sp, 16);
|
sp = align_down (sp, 16);
|
for (argnum = 0; argnum < nargs; argnum++)
|
for (argnum = 0; argnum < nargs; argnum++)
|
arglen += align_up (TYPE_LENGTH (value_type (args[argnum])),
|
arglen += align_up (TYPE_LENGTH (value_type (args[argnum])),
|
SCORE_REGSIZE);
|
SCORE_REGSIZE);
|
sp -= align_up (arglen, 16);
|
sp -= align_up (arglen, 16);
|
|
|
argreg = SCORE_BEGIN_ARG_REGNUM;
|
argreg = SCORE_BEGIN_ARG_REGNUM;
|
|
|
/* Step 3, Check if struct return then save the struct address to
|
/* Step 3, Check if struct return then save the struct address to
|
r4 and increase the stack_offset by 4. */
|
r4 and increase the stack_offset by 4. */
|
if (struct_return)
|
if (struct_return)
|
{
|
{
|
regcache_cooked_write_unsigned (regcache, argreg++, struct_addr);
|
regcache_cooked_write_unsigned (regcache, argreg++, struct_addr);
|
stack_offset += SCORE_REGSIZE;
|
stack_offset += SCORE_REGSIZE;
|
}
|
}
|
|
|
/* Step 4, Load arguments:
|
/* Step 4, Load arguments:
|
If arg length is too long (> 4 bytes), then split the arg and
|
If arg length is too long (> 4 bytes), then split the arg and
|
save every parts. */
|
save every parts. */
|
for (argnum = 0; argnum < nargs; argnum++)
|
for (argnum = 0; argnum < nargs; argnum++)
|
{
|
{
|
struct value *arg = args[argnum];
|
struct value *arg = args[argnum];
|
struct type *arg_type = check_typedef (value_type (arg));
|
struct type *arg_type = check_typedef (value_type (arg));
|
enum type_code typecode = TYPE_CODE (arg_type);
|
enum type_code typecode = TYPE_CODE (arg_type);
|
const gdb_byte *val = value_contents (arg);
|
const gdb_byte *val = value_contents (arg);
|
int downward_offset = 0;
|
int downward_offset = 0;
|
int odd_sized_struct_p;
|
int odd_sized_struct_p;
|
int arg_last_part_p = 0;
|
int arg_last_part_p = 0;
|
|
|
arglen = TYPE_LENGTH (arg_type);
|
arglen = TYPE_LENGTH (arg_type);
|
odd_sized_struct_p = (arglen > SCORE_REGSIZE
|
odd_sized_struct_p = (arglen > SCORE_REGSIZE
|
&& arglen % SCORE_REGSIZE != 0);
|
&& arglen % SCORE_REGSIZE != 0);
|
|
|
/* If a arg should be aligned to 8 bytes (long long or double),
|
/* If a arg should be aligned to 8 bytes (long long or double),
|
the value should be put to even register numbers. */
|
the value should be put to even register numbers. */
|
if (score_type_needs_double_align (arg_type))
|
if (score_type_needs_double_align (arg_type))
|
{
|
{
|
if (argreg & 1)
|
if (argreg & 1)
|
argreg++;
|
argreg++;
|
}
|
}
|
|
|
/* If sizeof a block < SCORE_REGSIZE, then Score GCC will chose
|
/* If sizeof a block < SCORE_REGSIZE, then Score GCC will chose
|
the default "downward"/"upward" method:
|
the default "downward"/"upward" method:
|
|
|
Example:
|
Example:
|
|
|
struct struc
|
struct struc
|
{
|
{
|
char a; char b; char c;
|
char a; char b; char c;
|
} s = {'a', 'b', 'c'};
|
} s = {'a', 'b', 'c'};
|
|
|
Big endian: s = {X, 'a', 'b', 'c'}
|
Big endian: s = {X, 'a', 'b', 'c'}
|
Little endian: s = {'a', 'b', 'c', X}
|
Little endian: s = {'a', 'b', 'c', X}
|
|
|
Where X is a hole. */
|
Where X is a hole. */
|
|
|
if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG
|
if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG
|
&& (typecode == TYPE_CODE_STRUCT
|
&& (typecode == TYPE_CODE_STRUCT
|
|| typecode == TYPE_CODE_UNION)
|
|| typecode == TYPE_CODE_UNION)
|
&& argreg > SCORE_LAST_ARG_REGNUM
|
&& argreg > SCORE_LAST_ARG_REGNUM
|
&& arglen < SCORE_REGSIZE)
|
&& arglen < SCORE_REGSIZE)
|
downward_offset += (SCORE_REGSIZE - arglen);
|
downward_offset += (SCORE_REGSIZE - arglen);
|
|
|
while (arglen > 0)
|
while (arglen > 0)
|
{
|
{
|
int partial_len = arglen < SCORE_REGSIZE ? arglen : SCORE_REGSIZE;
|
int partial_len = arglen < SCORE_REGSIZE ? arglen : SCORE_REGSIZE;
|
ULONGEST regval = extract_unsigned_integer (val, partial_len);
|
ULONGEST regval = extract_unsigned_integer (val, partial_len);
|
|
|
/* The last part of a arg should shift left when
|
/* The last part of a arg should shift left when
|
gdbarch_byte_order is BFD_ENDIAN_BIG. */
|
gdbarch_byte_order is BFD_ENDIAN_BIG. */
|
if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG
|
if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG
|
&& arg_last_part_p == 1
|
&& arg_last_part_p == 1
|
&& (typecode == TYPE_CODE_STRUCT
|
&& (typecode == TYPE_CODE_STRUCT
|
|| typecode == TYPE_CODE_UNION))
|
|| typecode == TYPE_CODE_UNION))
|
regval <<= ((SCORE_REGSIZE - partial_len) * TARGET_CHAR_BIT);
|
regval <<= ((SCORE_REGSIZE - partial_len) * TARGET_CHAR_BIT);
|
|
|
/* Always increase the stack_offset and save args to stack. */
|
/* Always increase the stack_offset and save args to stack. */
|
addr = sp + stack_offset + downward_offset;
|
addr = sp + stack_offset + downward_offset;
|
write_memory (addr, val, partial_len);
|
write_memory (addr, val, partial_len);
|
|
|
if (argreg <= SCORE_LAST_ARG_REGNUM)
|
if (argreg <= SCORE_LAST_ARG_REGNUM)
|
{
|
{
|
regcache_cooked_write_unsigned (regcache, argreg++, regval);
|
regcache_cooked_write_unsigned (regcache, argreg++, regval);
|
if (arglen > SCORE_REGSIZE && arglen < SCORE_REGSIZE * 2)
|
if (arglen > SCORE_REGSIZE && arglen < SCORE_REGSIZE * 2)
|
arg_last_part_p = 1;
|
arg_last_part_p = 1;
|
}
|
}
|
|
|
val += partial_len;
|
val += partial_len;
|
arglen -= partial_len;
|
arglen -= partial_len;
|
stack_offset += align_up (partial_len, SCORE_REGSIZE);
|
stack_offset += align_up (partial_len, SCORE_REGSIZE);
|
}
|
}
|
}
|
}
|
|
|
/* Step 5, Save SP. */
|
/* Step 5, Save SP. */
|
regcache_cooked_write_unsigned (regcache, SCORE_SP_REGNUM, sp);
|
regcache_cooked_write_unsigned (regcache, SCORE_SP_REGNUM, sp);
|
|
|
return sp;
|
return sp;
|
}
|
}
|
|
|
static char *
|
static char *
|
score_malloc_and_get_memblock (CORE_ADDR addr, CORE_ADDR size)
|
score_malloc_and_get_memblock (CORE_ADDR addr, CORE_ADDR size)
|
{
|
{
|
int ret;
|
int ret;
|
char *memblock = NULL;
|
char *memblock = NULL;
|
|
|
if (size < 0)
|
if (size < 0)
|
{
|
{
|
error ("Error: malloc size < 0 in file:%s, line:%d!",
|
error ("Error: malloc size < 0 in file:%s, line:%d!",
|
__FILE__, __LINE__);
|
__FILE__, __LINE__);
|
return NULL;
|
return NULL;
|
}
|
}
|
else if (size == 0)
|
else if (size == 0)
|
return NULL;
|
return NULL;
|
|
|
memblock = (char *) xmalloc (size);
|
memblock = (char *) xmalloc (size);
|
memset (memblock, 0, size);
|
memset (memblock, 0, size);
|
ret = target_read_memory (addr & ~0x3, memblock, size);
|
ret = target_read_memory (addr & ~0x3, memblock, size);
|
if (ret)
|
if (ret)
|
{
|
{
|
error ("Error: target_read_memory in file:%s, line:%d!",
|
error ("Error: target_read_memory in file:%s, line:%d!",
|
__FILE__, __LINE__);
|
__FILE__, __LINE__);
|
return NULL;
|
return NULL;
|
}
|
}
|
return memblock;
|
return memblock;
|
}
|
}
|
|
|
static void
|
static void
|
score_free_memblock (char *memblock)
|
score_free_memblock (char *memblock)
|
{
|
{
|
xfree (memblock);
|
xfree (memblock);
|
}
|
}
|
|
|
static void
|
static void
|
score_adjust_memblock_ptr (char **memblock, CORE_ADDR prev_pc,
|
score_adjust_memblock_ptr (char **memblock, CORE_ADDR prev_pc,
|
CORE_ADDR cur_pc)
|
CORE_ADDR cur_pc)
|
{
|
{
|
if (prev_pc == -1)
|
if (prev_pc == -1)
|
{
|
{
|
/* First time call this function, do nothing. */
|
/* First time call this function, do nothing. */
|
}
|
}
|
else if (cur_pc - prev_pc == 2 && (cur_pc & 0x3) == 0)
|
else if (cur_pc - prev_pc == 2 && (cur_pc & 0x3) == 0)
|
{
|
{
|
/* First 16-bit instruction, then 32-bit instruction. */
|
/* First 16-bit instruction, then 32-bit instruction. */
|
*memblock += SCORE_INSTLEN;
|
*memblock += SCORE_INSTLEN;
|
}
|
}
|
else if (cur_pc - prev_pc == 4)
|
else if (cur_pc - prev_pc == 4)
|
{
|
{
|
/* Is 32-bit instruction, increase MEMBLOCK by 4. */
|
/* Is 32-bit instruction, increase MEMBLOCK by 4. */
|
*memblock += SCORE_INSTLEN;
|
*memblock += SCORE_INSTLEN;
|
}
|
}
|
}
|
}
|
|
|
static inst_t *
|
static inst_t *
|
score_fetch_inst (struct gdbarch *gdbarch, CORE_ADDR addr, char *memblock)
|
score_fetch_inst (struct gdbarch *gdbarch, CORE_ADDR addr, char *memblock)
|
{
|
{
|
static inst_t inst = { 0, 0 };
|
static inst_t inst = { 0, 0 };
|
char buf[SCORE_INSTLEN] = { 0 };
|
char buf[SCORE_INSTLEN] = { 0 };
|
int big;
|
int big;
|
int ret;
|
int ret;
|
|
|
if (target_has_execution && memblock != NULL)
|
if (target_has_execution && memblock != NULL)
|
{
|
{
|
/* Fetch instruction from local MEMBLOCK. */
|
/* Fetch instruction from local MEMBLOCK. */
|
memcpy (buf, memblock, SCORE_INSTLEN);
|
memcpy (buf, memblock, SCORE_INSTLEN);
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Fetch instruction from target. */
|
/* Fetch instruction from target. */
|
ret = target_read_memory (addr & ~0x3, buf, SCORE_INSTLEN);
|
ret = target_read_memory (addr & ~0x3, buf, SCORE_INSTLEN);
|
if (ret)
|
if (ret)
|
{
|
{
|
error ("Error: target_read_memory in file:%s, line:%d!",
|
error ("Error: target_read_memory in file:%s, line:%d!",
|
__FILE__, __LINE__);
|
__FILE__, __LINE__);
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
|
|
inst.raw = extract_unsigned_integer (buf, SCORE_INSTLEN);
|
inst.raw = extract_unsigned_integer (buf, SCORE_INSTLEN);
|
inst.is15 = !(inst.raw & 0x80008000);
|
inst.is15 = !(inst.raw & 0x80008000);
|
inst.v = RM_PBITS (inst.raw);
|
inst.v = RM_PBITS (inst.raw);
|
big = (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG);
|
big = (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG);
|
if (inst.is15)
|
if (inst.is15)
|
{
|
{
|
if (big ^ ((addr & 0x2) == 2))
|
if (big ^ ((addr & 0x2) == 2))
|
inst.v = G_FLD (inst.v, 29, 15);
|
inst.v = G_FLD (inst.v, 29, 15);
|
else
|
else
|
inst.v = G_FLD (inst.v, 14, 0);
|
inst.v = G_FLD (inst.v, 14, 0);
|
}
|
}
|
return &inst;
|
return &inst;
|
}
|
}
|
|
|
static CORE_ADDR
|
static CORE_ADDR
|
score_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
|
score_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
|
{
|
{
|
CORE_ADDR cpc = pc;
|
CORE_ADDR cpc = pc;
|
int iscan = 32, stack_sub = 0;
|
int iscan = 32, stack_sub = 0;
|
while (iscan-- > 0)
|
while (iscan-- > 0)
|
{
|
{
|
inst_t *inst = score_fetch_inst (gdbarch, cpc, NULL);
|
inst_t *inst = score_fetch_inst (gdbarch, cpc, NULL);
|
if (!inst)
|
if (!inst)
|
break;
|
break;
|
if (!inst->is15 && !stack_sub
|
if (!inst->is15 && !stack_sub
|
&& (G_FLD (inst->v, 29, 25) == 0x1
|
&& (G_FLD (inst->v, 29, 25) == 0x1
|
&& G_FLD (inst->v, 24, 20) == 0x0))
|
&& G_FLD (inst->v, 24, 20) == 0x0))
|
{
|
{
|
/* addi r0, offset */
|
/* addi r0, offset */
|
pc = stack_sub = cpc + SCORE_INSTLEN;
|
pc = stack_sub = cpc + SCORE_INSTLEN;
|
}
|
}
|
else if (!inst->is15
|
else if (!inst->is15
|
&& inst->v == RM_PBITS (0x8040bc56))
|
&& inst->v == RM_PBITS (0x8040bc56))
|
{
|
{
|
/* mv r2, r0 */
|
/* mv r2, r0 */
|
pc = cpc + SCORE_INSTLEN;
|
pc = cpc + SCORE_INSTLEN;
|
break;
|
break;
|
}
|
}
|
else if (inst->is15
|
else if (inst->is15
|
&& inst->v == RM_PBITS (0x0203))
|
&& inst->v == RM_PBITS (0x0203))
|
{
|
{
|
/* mv! r2, r0 */
|
/* mv! r2, r0 */
|
pc = cpc + SCORE16_INSTLEN;
|
pc = cpc + SCORE16_INSTLEN;
|
break;
|
break;
|
}
|
}
|
else if (inst->is15
|
else if (inst->is15
|
&& ((G_FLD (inst->v, 14, 12) == 3) /* j15 form */
|
&& ((G_FLD (inst->v, 14, 12) == 3) /* j15 form */
|
|| (G_FLD (inst->v, 14, 12) == 4) /* b15 form */
|
|| (G_FLD (inst->v, 14, 12) == 4) /* b15 form */
|
|| (G_FLD (inst->v, 14, 12) == 0x0
|
|| (G_FLD (inst->v, 14, 12) == 0x0
|
&& G_FLD (inst->v, 3, 0) == 0x4))) /* br! */
|
&& G_FLD (inst->v, 3, 0) == 0x4))) /* br! */
|
break;
|
break;
|
else if (!inst->is15
|
else if (!inst->is15
|
&& ((G_FLD (inst->v, 29, 25) == 2) /* j32 form */
|
&& ((G_FLD (inst->v, 29, 25) == 2) /* j32 form */
|
|| (G_FLD (inst->v, 29, 25) == 4) /* b32 form */
|
|| (G_FLD (inst->v, 29, 25) == 4) /* b32 form */
|
|| (G_FLD (inst->v, 29, 25) == 0x0
|
|| (G_FLD (inst->v, 29, 25) == 0x0
|
&& G_FLD (inst->v, 6, 1) == 0x4))) /* br */
|
&& G_FLD (inst->v, 6, 1) == 0x4))) /* br */
|
break;
|
break;
|
|
|
cpc += inst->is15 ? SCORE16_INSTLEN : SCORE_INSTLEN;
|
cpc += inst->is15 ? SCORE16_INSTLEN : SCORE_INSTLEN;
|
}
|
}
|
return pc;
|
return pc;
|
}
|
}
|
|
|
static int
|
static int
|
score_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR cur_pc)
|
score_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR cur_pc)
|
{
|
{
|
inst_t *inst = score_fetch_inst (gdbarch, cur_pc, NULL);
|
inst_t *inst = score_fetch_inst (gdbarch, cur_pc, NULL);
|
|
|
if (inst->v == 0x23)
|
if (inst->v == 0x23)
|
return 1; /* mv! r0, r2 */
|
return 1; /* mv! r0, r2 */
|
else if (G_FLD (inst->v, 14, 12) == 0x2
|
else if (G_FLD (inst->v, 14, 12) == 0x2
|
&& G_FLD (inst->v, 3, 0) == 0xa)
|
&& G_FLD (inst->v, 3, 0) == 0xa)
|
return 1; /* pop! */
|
return 1; /* pop! */
|
else if (G_FLD (inst->v, 14, 12) == 0x0
|
else if (G_FLD (inst->v, 14, 12) == 0x0
|
&& G_FLD (inst->v, 7, 0) == 0x34)
|
&& G_FLD (inst->v, 7, 0) == 0x34)
|
return 1; /* br! r3 */
|
return 1; /* br! r3 */
|
else if (G_FLD (inst->v, 29, 15) == 0x2
|
else if (G_FLD (inst->v, 29, 15) == 0x2
|
&& G_FLD (inst->v, 6, 1) == 0x2b)
|
&& G_FLD (inst->v, 6, 1) == 0x2b)
|
return 1; /* mv r0, r2 */
|
return 1; /* mv r0, r2 */
|
else if (G_FLD (inst->v, 29, 25) == 0x0
|
else if (G_FLD (inst->v, 29, 25) == 0x0
|
&& G_FLD (inst->v, 6, 1) == 0x4
|
&& G_FLD (inst->v, 6, 1) == 0x4
|
&& G_FLD (inst->v, 19, 15) == 0x3)
|
&& G_FLD (inst->v, 19, 15) == 0x3)
|
return 1; /* br r3 */
|
return 1; /* br r3 */
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static void
|
static void
|
score_analyze_prologue (CORE_ADDR startaddr, CORE_ADDR pc,
|
score_analyze_prologue (CORE_ADDR startaddr, CORE_ADDR pc,
|
struct frame_info *next_frame,
|
struct frame_info *next_frame,
|
struct score_frame_cache *this_cache)
|
struct score_frame_cache *this_cache)
|
{
|
{
|
struct gdbarch *gdbarch = get_frame_arch (next_frame);
|
struct gdbarch *gdbarch = get_frame_arch (next_frame);
|
CORE_ADDR sp;
|
CORE_ADDR sp;
|
CORE_ADDR fp;
|
CORE_ADDR fp;
|
CORE_ADDR cur_pc = startaddr;
|
CORE_ADDR cur_pc = startaddr;
|
|
|
int sp_offset = 0;
|
int sp_offset = 0;
|
int ra_offset = 0;
|
int ra_offset = 0;
|
int fp_offset = 0;
|
int fp_offset = 0;
|
int ra_offset_p = 0;
|
int ra_offset_p = 0;
|
int fp_offset_p = 0;
|
int fp_offset_p = 0;
|
int inst_len = 0;
|
int inst_len = 0;
|
|
|
char *memblock = NULL;
|
char *memblock = NULL;
|
char *memblock_ptr = NULL;
|
char *memblock_ptr = NULL;
|
CORE_ADDR prev_pc = -1;
|
CORE_ADDR prev_pc = -1;
|
|
|
/* Allocate MEMBLOCK if PC - STARTADDR > 0. */
|
/* Allocate MEMBLOCK if PC - STARTADDR > 0. */
|
memblock_ptr = memblock =
|
memblock_ptr = memblock =
|
score_malloc_and_get_memblock (startaddr, pc - startaddr);
|
score_malloc_and_get_memblock (startaddr, pc - startaddr);
|
|
|
sp = frame_unwind_register_unsigned (next_frame, SCORE_SP_REGNUM);
|
sp = frame_unwind_register_unsigned (next_frame, SCORE_SP_REGNUM);
|
fp = frame_unwind_register_unsigned (next_frame, SCORE_FP_REGNUM);
|
fp = frame_unwind_register_unsigned (next_frame, SCORE_FP_REGNUM);
|
|
|
for (; cur_pc < pc; prev_pc = cur_pc, cur_pc += inst_len)
|
for (; cur_pc < pc; prev_pc = cur_pc, cur_pc += inst_len)
|
{
|
{
|
inst_t *inst = NULL;
|
inst_t *inst = NULL;
|
if (memblock != NULL)
|
if (memblock != NULL)
|
{
|
{
|
/* Reading memory block from target succefully and got all
|
/* Reading memory block from target succefully and got all
|
the instructions(from STARTADDR to PC) needed. */
|
the instructions(from STARTADDR to PC) needed. */
|
score_adjust_memblock_ptr (&memblock, prev_pc, cur_pc);
|
score_adjust_memblock_ptr (&memblock, prev_pc, cur_pc);
|
inst = score_fetch_inst (gdbarch, cur_pc, memblock);
|
inst = score_fetch_inst (gdbarch, cur_pc, memblock);
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Otherwise, we fetch 4 bytes from target, and GDB also
|
/* Otherwise, we fetch 4 bytes from target, and GDB also
|
work correctly. */
|
work correctly. */
|
inst = score_fetch_inst (gdbarch, cur_pc, NULL);
|
inst = score_fetch_inst (gdbarch, cur_pc, NULL);
|
}
|
}
|
|
|
if (inst->is15 == 1)
|
if (inst->is15 == 1)
|
{
|
{
|
inst_len = SCORE16_INSTLEN;
|
inst_len = SCORE16_INSTLEN;
|
|
|
if (G_FLD (inst->v, 14, 12) == 0x2
|
if (G_FLD (inst->v, 14, 12) == 0x2
|
&& G_FLD (inst->v, 3, 0) == 0xe)
|
&& G_FLD (inst->v, 3, 0) == 0xe)
|
{
|
{
|
/* push! */
|
/* push! */
|
sp_offset += 4;
|
sp_offset += 4;
|
|
|
if (G_FLD (inst->v, 11, 7) == 0x6
|
if (G_FLD (inst->v, 11, 7) == 0x6
|
&& ra_offset_p == 0)
|
&& ra_offset_p == 0)
|
{
|
{
|
/* push! r3, [r0] */
|
/* push! r3, [r0] */
|
ra_offset = sp_offset;
|
ra_offset = sp_offset;
|
ra_offset_p = 1;
|
ra_offset_p = 1;
|
}
|
}
|
else if (G_FLD (inst->v, 11, 7) == 0x4
|
else if (G_FLD (inst->v, 11, 7) == 0x4
|
&& fp_offset_p == 0)
|
&& fp_offset_p == 0)
|
{
|
{
|
/* push! r2, [r0] */
|
/* push! r2, [r0] */
|
fp_offset = sp_offset;
|
fp_offset = sp_offset;
|
fp_offset_p = 1;
|
fp_offset_p = 1;
|
}
|
}
|
}
|
}
|
else if (G_FLD (inst->v, 14, 12) == 0x2
|
else if (G_FLD (inst->v, 14, 12) == 0x2
|
&& G_FLD (inst->v, 3, 0) == 0xa)
|
&& G_FLD (inst->v, 3, 0) == 0xa)
|
{
|
{
|
/* pop! */
|
/* pop! */
|
sp_offset -= 4;
|
sp_offset -= 4;
|
}
|
}
|
else if (G_FLD (inst->v, 14, 7) == 0xc1
|
else if (G_FLD (inst->v, 14, 7) == 0xc1
|
&& G_FLD (inst->v, 2, 0) == 0x0)
|
&& G_FLD (inst->v, 2, 0) == 0x0)
|
{
|
{
|
/* subei! r0, n */
|
/* subei! r0, n */
|
sp_offset += (int) pow (2, G_FLD (inst->v, 6, 3));
|
sp_offset += (int) pow (2, G_FLD (inst->v, 6, 3));
|
}
|
}
|
else if (G_FLD (inst->v, 14, 7) == 0xc0
|
else if (G_FLD (inst->v, 14, 7) == 0xc0
|
&& G_FLD (inst->v, 2, 0) == 0x0)
|
&& G_FLD (inst->v, 2, 0) == 0x0)
|
{
|
{
|
/* addei! r0, n */
|
/* addei! r0, n */
|
sp_offset -= (int) pow (2, G_FLD (inst->v, 6, 3));
|
sp_offset -= (int) pow (2, G_FLD (inst->v, 6, 3));
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
inst_len = SCORE_INSTLEN;
|
inst_len = SCORE_INSTLEN;
|
|
|
if (G_FLD (inst->v, 29, 15) == 0xc60
|
if (G_FLD (inst->v, 29, 15) == 0xc60
|
&& G_FLD (inst->v, 2, 0) == 0x4)
|
&& G_FLD (inst->v, 2, 0) == 0x4)
|
{
|
{
|
/* sw r3, [r0, offset]+ */
|
/* sw r3, [r0, offset]+ */
|
sp_offset += SCORE_INSTLEN;
|
sp_offset += SCORE_INSTLEN;
|
if (ra_offset_p == 0)
|
if (ra_offset_p == 0)
|
{
|
{
|
ra_offset = sp_offset;
|
ra_offset = sp_offset;
|
ra_offset_p = 1;
|
ra_offset_p = 1;
|
}
|
}
|
}
|
}
|
if (G_FLD (inst->v, 29, 15) == 0xc40
|
if (G_FLD (inst->v, 29, 15) == 0xc40
|
&& G_FLD (inst->v, 2, 0) == 0x4)
|
&& G_FLD (inst->v, 2, 0) == 0x4)
|
{
|
{
|
/* sw r2, [r0, offset]+ */
|
/* sw r2, [r0, offset]+ */
|
sp_offset += SCORE_INSTLEN;
|
sp_offset += SCORE_INSTLEN;
|
if (fp_offset_p == 0)
|
if (fp_offset_p == 0)
|
{
|
{
|
fp_offset = sp_offset;
|
fp_offset = sp_offset;
|
fp_offset_p = 1;
|
fp_offset_p = 1;
|
}
|
}
|
}
|
}
|
else if (G_FLD (inst->v, 29, 15) == 0x1c60
|
else if (G_FLD (inst->v, 29, 15) == 0x1c60
|
&& G_FLD (inst->v, 2, 0) == 0x0)
|
&& G_FLD (inst->v, 2, 0) == 0x0)
|
{
|
{
|
/* lw r3, [r0]+, 4 */
|
/* lw r3, [r0]+, 4 */
|
sp_offset -= SCORE_INSTLEN;
|
sp_offset -= SCORE_INSTLEN;
|
ra_offset_p = 1;
|
ra_offset_p = 1;
|
}
|
}
|
else if (G_FLD (inst->v, 29, 15) == 0x1c40
|
else if (G_FLD (inst->v, 29, 15) == 0x1c40
|
&& G_FLD (inst->v, 2, 0) == 0x0)
|
&& G_FLD (inst->v, 2, 0) == 0x0)
|
{
|
{
|
/* lw r2, [r0]+, 4 */
|
/* lw r2, [r0]+, 4 */
|
sp_offset -= SCORE_INSTLEN;
|
sp_offset -= SCORE_INSTLEN;
|
fp_offset_p = 1;
|
fp_offset_p = 1;
|
}
|
}
|
|
|
else if (G_FLD (inst->v, 29, 17) == 0x100
|
else if (G_FLD (inst->v, 29, 17) == 0x100
|
&& G_FLD (inst->v, 0, 0) == 0x0)
|
&& G_FLD (inst->v, 0, 0) == 0x0)
|
{
|
{
|
/* addi r0, -offset */
|
/* addi r0, -offset */
|
sp_offset += 65536 - G_FLD (inst->v, 16, 1);
|
sp_offset += 65536 - G_FLD (inst->v, 16, 1);
|
}
|
}
|
else if (G_FLD (inst->v, 29, 17) == 0x110
|
else if (G_FLD (inst->v, 29, 17) == 0x110
|
&& G_FLD (inst->v, 0, 0) == 0x0)
|
&& G_FLD (inst->v, 0, 0) == 0x0)
|
{
|
{
|
/* addi r2, offset */
|
/* addi r2, offset */
|
if (pc - cur_pc > 4)
|
if (pc - cur_pc > 4)
|
{
|
{
|
unsigned int save_v = inst->v;
|
unsigned int save_v = inst->v;
|
inst_t *inst2 =
|
inst_t *inst2 =
|
score_fetch_inst (gdbarch, cur_pc + SCORE_INSTLEN, NULL);
|
score_fetch_inst (gdbarch, cur_pc + SCORE_INSTLEN, NULL);
|
if (inst2->v == 0x23)
|
if (inst2->v == 0x23)
|
{
|
{
|
/* mv! r0, r2 */
|
/* mv! r0, r2 */
|
sp_offset -= G_FLD (save_v, 16, 1);
|
sp_offset -= G_FLD (save_v, 16, 1);
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/* Save RA. */
|
/* Save RA. */
|
if (ra_offset_p == 1)
|
if (ra_offset_p == 1)
|
{
|
{
|
if (this_cache->saved_regs[SCORE_PC_REGNUM].addr == -1)
|
if (this_cache->saved_regs[SCORE_PC_REGNUM].addr == -1)
|
this_cache->saved_regs[SCORE_PC_REGNUM].addr =
|
this_cache->saved_regs[SCORE_PC_REGNUM].addr =
|
sp + sp_offset - ra_offset;
|
sp + sp_offset - ra_offset;
|
}
|
}
|
else
|
else
|
{
|
{
|
this_cache->saved_regs[SCORE_PC_REGNUM] =
|
this_cache->saved_regs[SCORE_PC_REGNUM] =
|
this_cache->saved_regs[SCORE_RA_REGNUM];
|
this_cache->saved_regs[SCORE_RA_REGNUM];
|
}
|
}
|
|
|
/* Save FP. */
|
/* Save FP. */
|
if (fp_offset_p == 1)
|
if (fp_offset_p == 1)
|
{
|
{
|
if (this_cache->saved_regs[SCORE_FP_REGNUM].addr == -1)
|
if (this_cache->saved_regs[SCORE_FP_REGNUM].addr == -1)
|
this_cache->saved_regs[SCORE_FP_REGNUM].addr =
|
this_cache->saved_regs[SCORE_FP_REGNUM].addr =
|
sp + sp_offset - fp_offset;
|
sp + sp_offset - fp_offset;
|
}
|
}
|
|
|
/* Save SP and FP. */
|
/* Save SP and FP. */
|
this_cache->base = sp + sp_offset;
|
this_cache->base = sp + sp_offset;
|
this_cache->fp = fp;
|
this_cache->fp = fp;
|
|
|
/* Don't forget to free MEMBLOCK if we allocated it. */
|
/* Don't forget to free MEMBLOCK if we allocated it. */
|
if (memblock_ptr != NULL)
|
if (memblock_ptr != NULL)
|
score_free_memblock (memblock_ptr);
|
score_free_memblock (memblock_ptr);
|
}
|
}
|
|
|
static struct score_frame_cache *
|
static struct score_frame_cache *
|
score_make_prologue_cache (struct frame_info *next_frame, void **this_cache)
|
score_make_prologue_cache (struct frame_info *next_frame, void **this_cache)
|
{
|
{
|
struct score_frame_cache *cache;
|
struct score_frame_cache *cache;
|
|
|
if ((*this_cache) != NULL)
|
if ((*this_cache) != NULL)
|
return (*this_cache);
|
return (*this_cache);
|
|
|
cache = FRAME_OBSTACK_ZALLOC (struct score_frame_cache);
|
cache = FRAME_OBSTACK_ZALLOC (struct score_frame_cache);
|
(*this_cache) = cache;
|
(*this_cache) = cache;
|
cache->saved_regs = trad_frame_alloc_saved_regs (next_frame);
|
cache->saved_regs = trad_frame_alloc_saved_regs (next_frame);
|
|
|
/* Analyze the prologue. */
|
/* Analyze the prologue. */
|
{
|
{
|
const CORE_ADDR pc = frame_pc_unwind (next_frame);
|
const CORE_ADDR pc = frame_pc_unwind (next_frame);
|
CORE_ADDR start_addr;
|
CORE_ADDR start_addr;
|
|
|
find_pc_partial_function (pc, NULL, &start_addr, NULL);
|
find_pc_partial_function (pc, NULL, &start_addr, NULL);
|
if (start_addr == 0)
|
if (start_addr == 0)
|
return cache;
|
return cache;
|
score_analyze_prologue (start_addr, pc, next_frame, *this_cache);
|
score_analyze_prologue (start_addr, pc, next_frame, *this_cache);
|
}
|
}
|
|
|
/* Save SP. */
|
/* Save SP. */
|
trad_frame_set_value (cache->saved_regs, SCORE_SP_REGNUM, cache->base);
|
trad_frame_set_value (cache->saved_regs, SCORE_SP_REGNUM, cache->base);
|
|
|
return (*this_cache);
|
return (*this_cache);
|
}
|
}
|
|
|
static void
|
static void
|
score_prologue_this_id (struct frame_info *next_frame, void **this_cache,
|
score_prologue_this_id (struct frame_info *next_frame, void **this_cache,
|
struct frame_id *this_id)
|
struct frame_id *this_id)
|
{
|
{
|
struct score_frame_cache *info = score_make_prologue_cache (next_frame,
|
struct score_frame_cache *info = score_make_prologue_cache (next_frame,
|
this_cache);
|
this_cache);
|
(*this_id) = frame_id_build (info->base,
|
(*this_id) = frame_id_build (info->base,
|
frame_func_unwind (next_frame, NORMAL_FRAME));
|
frame_func_unwind (next_frame, NORMAL_FRAME));
|
}
|
}
|
|
|
static void
|
static void
|
score_prologue_prev_register (struct frame_info *next_frame,
|
score_prologue_prev_register (struct frame_info *next_frame,
|
void **this_cache,
|
void **this_cache,
|
int regnum, int *optimizedp,
|
int regnum, int *optimizedp,
|
enum lval_type *lvalp, CORE_ADDR * addrp,
|
enum lval_type *lvalp, CORE_ADDR * addrp,
|
int *realnump, gdb_byte * valuep)
|
int *realnump, gdb_byte * valuep)
|
{
|
{
|
struct score_frame_cache *info = score_make_prologue_cache (next_frame,
|
struct score_frame_cache *info = score_make_prologue_cache (next_frame,
|
this_cache);
|
this_cache);
|
trad_frame_get_prev_register (next_frame, info->saved_regs, regnum,
|
trad_frame_get_prev_register (next_frame, info->saved_regs, regnum,
|
optimizedp, lvalp, addrp, realnump, valuep);
|
optimizedp, lvalp, addrp, realnump, valuep);
|
}
|
}
|
|
|
static const struct frame_unwind score_prologue_unwind =
|
static const struct frame_unwind score_prologue_unwind =
|
{
|
{
|
NORMAL_FRAME,
|
NORMAL_FRAME,
|
score_prologue_this_id,
|
score_prologue_this_id,
|
score_prologue_prev_register
|
score_prologue_prev_register
|
};
|
};
|
|
|
static const struct frame_unwind *
|
static const struct frame_unwind *
|
score_prologue_sniffer (struct frame_info *next_frame)
|
score_prologue_sniffer (struct frame_info *next_frame)
|
{
|
{
|
return &score_prologue_unwind;
|
return &score_prologue_unwind;
|
}
|
}
|
|
|
static CORE_ADDR
|
static CORE_ADDR
|
score_prologue_frame_base_address (struct frame_info *next_frame,
|
score_prologue_frame_base_address (struct frame_info *next_frame,
|
void **this_cache)
|
void **this_cache)
|
{
|
{
|
struct score_frame_cache *info =
|
struct score_frame_cache *info =
|
score_make_prologue_cache (next_frame, this_cache);
|
score_make_prologue_cache (next_frame, this_cache);
|
return info->fp;
|
return info->fp;
|
}
|
}
|
|
|
static const struct frame_base score_prologue_frame_base =
|
static const struct frame_base score_prologue_frame_base =
|
{
|
{
|
&score_prologue_unwind,
|
&score_prologue_unwind,
|
score_prologue_frame_base_address,
|
score_prologue_frame_base_address,
|
score_prologue_frame_base_address,
|
score_prologue_frame_base_address,
|
score_prologue_frame_base_address,
|
score_prologue_frame_base_address,
|
};
|
};
|
|
|
static const struct frame_base *
|
static const struct frame_base *
|
score_prologue_frame_base_sniffer (struct frame_info *next_frame)
|
score_prologue_frame_base_sniffer (struct frame_info *next_frame)
|
{
|
{
|
return &score_prologue_frame_base;
|
return &score_prologue_frame_base;
|
}
|
}
|
|
|
static struct gdbarch *
|
static struct gdbarch *
|
score_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
|
score_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
|
{
|
{
|
struct gdbarch *gdbarch;
|
struct gdbarch *gdbarch;
|
|
|
arches = gdbarch_list_lookup_by_info (arches, &info);
|
arches = gdbarch_list_lookup_by_info (arches, &info);
|
if (arches != NULL)
|
if (arches != NULL)
|
{
|
{
|
return (arches->gdbarch);
|
return (arches->gdbarch);
|
}
|
}
|
gdbarch = gdbarch_alloc (&info, 0);
|
gdbarch = gdbarch_alloc (&info, 0);
|
|
|
set_gdbarch_short_bit (gdbarch, 16);
|
set_gdbarch_short_bit (gdbarch, 16);
|
set_gdbarch_int_bit (gdbarch, 32);
|
set_gdbarch_int_bit (gdbarch, 32);
|
set_gdbarch_float_bit (gdbarch, 32);
|
set_gdbarch_float_bit (gdbarch, 32);
|
set_gdbarch_double_bit (gdbarch, 64);
|
set_gdbarch_double_bit (gdbarch, 64);
|
set_gdbarch_long_double_bit (gdbarch, 64);
|
set_gdbarch_long_double_bit (gdbarch, 64);
|
set_gdbarch_register_sim_regno (gdbarch, score_register_sim_regno);
|
set_gdbarch_register_sim_regno (gdbarch, score_register_sim_regno);
|
set_gdbarch_pc_regnum (gdbarch, SCORE_PC_REGNUM);
|
set_gdbarch_pc_regnum (gdbarch, SCORE_PC_REGNUM);
|
set_gdbarch_sp_regnum (gdbarch, SCORE_SP_REGNUM);
|
set_gdbarch_sp_regnum (gdbarch, SCORE_SP_REGNUM);
|
set_gdbarch_num_regs (gdbarch, SCORE_NUM_REGS);
|
set_gdbarch_num_regs (gdbarch, SCORE_NUM_REGS);
|
set_gdbarch_register_name (gdbarch, score_register_name);
|
set_gdbarch_register_name (gdbarch, score_register_name);
|
set_gdbarch_breakpoint_from_pc (gdbarch, score_breakpoint_from_pc);
|
set_gdbarch_breakpoint_from_pc (gdbarch, score_breakpoint_from_pc);
|
set_gdbarch_register_type (gdbarch, score_register_type);
|
set_gdbarch_register_type (gdbarch, score_register_type);
|
set_gdbarch_frame_align (gdbarch, score_frame_align);
|
set_gdbarch_frame_align (gdbarch, score_frame_align);
|
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
|
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
|
set_gdbarch_unwind_pc (gdbarch, score_unwind_pc);
|
set_gdbarch_unwind_pc (gdbarch, score_unwind_pc);
|
set_gdbarch_unwind_sp (gdbarch, score_unwind_sp);
|
set_gdbarch_unwind_sp (gdbarch, score_unwind_sp);
|
set_gdbarch_print_insn (gdbarch, score_print_insn);
|
set_gdbarch_print_insn (gdbarch, score_print_insn);
|
set_gdbarch_skip_prologue (gdbarch, score_skip_prologue);
|
set_gdbarch_skip_prologue (gdbarch, score_skip_prologue);
|
set_gdbarch_in_function_epilogue_p (gdbarch, score_in_function_epilogue_p);
|
set_gdbarch_in_function_epilogue_p (gdbarch, score_in_function_epilogue_p);
|
|
|
/* Watchpoint hooks. */
|
/* Watchpoint hooks. */
|
set_gdbarch_have_nonsteppable_watchpoint (gdbarch, 1);
|
set_gdbarch_have_nonsteppable_watchpoint (gdbarch, 1);
|
|
|
/* Dummy frame hooks. */
|
/* Dummy frame hooks. */
|
set_gdbarch_return_value (gdbarch, score_return_value);
|
set_gdbarch_return_value (gdbarch, score_return_value);
|
set_gdbarch_call_dummy_location (gdbarch, AT_ENTRY_POINT);
|
set_gdbarch_call_dummy_location (gdbarch, AT_ENTRY_POINT);
|
set_gdbarch_unwind_dummy_id (gdbarch, score_unwind_dummy_id);
|
set_gdbarch_unwind_dummy_id (gdbarch, score_unwind_dummy_id);
|
set_gdbarch_push_dummy_call (gdbarch, score_push_dummy_call);
|
set_gdbarch_push_dummy_call (gdbarch, score_push_dummy_call);
|
|
|
/* Normal frame hooks. */
|
/* Normal frame hooks. */
|
frame_unwind_append_sniffer (gdbarch, dwarf2_frame_sniffer);
|
frame_unwind_append_sniffer (gdbarch, dwarf2_frame_sniffer);
|
frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer);
|
frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer);
|
frame_unwind_append_sniffer (gdbarch, score_prologue_sniffer);
|
frame_unwind_append_sniffer (gdbarch, score_prologue_sniffer);
|
frame_base_append_sniffer (gdbarch, score_prologue_frame_base_sniffer);
|
frame_base_append_sniffer (gdbarch, score_prologue_frame_base_sniffer);
|
|
|
return gdbarch;
|
return gdbarch;
|
}
|
}
|
|
|
extern initialize_file_ftype _initialize_score_tdep;
|
extern initialize_file_ftype _initialize_score_tdep;
|
|
|
void
|
void
|
_initialize_score_tdep (void)
|
_initialize_score_tdep (void)
|
{
|
{
|
gdbarch_register (bfd_arch_score, score_gdbarch_init, NULL);
|
gdbarch_register (bfd_arch_score, score_gdbarch_init, NULL);
|
}
|
}
|
|
|
