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d05b4ac3aa
* regformats/regdat.sh: Rename init_registers function in generated file to init_registers_${name}. * regformats/reg-crisv32.dat: Set "name" to crisv32. * regformats/reg-ppc64.dat: Set "name" to ppc64. * regformats/reg-s390x.dat: Set "name" to s390x. gdbserver/ChangeLog: * server.h (init_registers): Remove prototype. * linux-low.h (struct linux_target_ops): Add arch_setup field. * linux-low.c (initialize_low): Call the_low_target.arch_setup () instead of init_registers (). * linux-arm-low.c (init_registers_arm): Add prototype. (init_registers_arm_with_iwmmxt): Likewise. (the_low_target): Add initializer for arch_setup field. * linux-cris-low.c (init_registers_cris): Add prototype. (the_low_target): Add initializer for arch_setup field. * linux-crisv32-low.c (init_registers_crisv32): Add prototype. (the_low_target): Add initializer for arch_setup field. * linux-i386-low.c (init_registers_i386_linux): Add prototype. (the_low_target): Add initializer for arch_setup field. * linux-ia64-low.c (init_registers_ia64): Add prototype. (the_low_target): Add initializer for arch_setup field. * linux-m32r-low.c (init_registers_m32r): Add prototype. (the_low_target): Add initializer for arch_setup field. * linux-m68k-low.c (init_registers_m68k): Add prototype. (the_low_target): Add initializer for arch_setup field. * linux-mips-low.c (init_registers_mips_linux): Add prototype. (init_registers_mips64_linux): Likewise. (the_low_target): Add initializer for arch_setup field. * linux-ppc-low.c (init_registers_ppc): Add prototype. (init_registers_powerpc_32, init_registers_powerpc_e500): Likewise. (the_low_target): Add initializer for arch_setup field. * linux-ppc64-low.c (init_registers_ppc64): Add prototype. (init_registers_powerpc_64): Likewise. (the_low_target): Add initializer for arch_setup field. * linux-s390-low.c (init_registers_s390): Add prototype. (init_registers_s390x): Likewise. (the_low_target): Add initializer for arch_setup field. * linux-sh-low.c (init_registers_sh): Add prototype. (the_low_target): Add initializer for arch_setup field. * linux-x86-64-low.c (init_registers_x86_64_linux): Add prototype. (the_low_target): Add initializer for arch_setup field. * linux-xtensa-low.c (init_registers_xtensa): Add prototype. (the_low_target): Add initializer for arch_setup field. * win32-low.h (struct win32_target_ops): Add arch_setup field. * win32-low.c (initialize_low): Call the_low_target.arch_setup () instead of init_registers (). * win32-arm-low.c (init_registers_arm): Add prototype. (the_low_target): Add initializer for arch_setup field. * win32-i386-low.c (init_registers_i386): Add prototype. (the_low_target): Add initializer for arch_setup field. * spu-low.c (init_registers_spu): Add prototype. (initialize_low): Call initialie_registers_spu () instead of initialize_registers ().
128 lines
2.9 KiB
C
128 lines
2.9 KiB
C
/* GNU/Linux/CRIS specific low level interface, for the remote server for GDB.
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Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
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2007, 2008 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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#include "server.h"
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#include "linux-low.h"
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#include <sys/ptrace.h>
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/* Defined in auto-generated file reg-cris.c. */
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void init_registers_cris (void);
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/* CRISv10 */
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#define cris_num_regs 32
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/* Locations need to match <include/asm/arch/ptrace.h>. */
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static int cris_regmap[] = {
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15*4, 14*4, 13*4, 12*4,
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11*4, 10*4, 9*4, 8*4,
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7*4, 6*4, 5*4, 4*4,
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3*4, 2*4, 23*4, 19*4,
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-1, -1, -1, -1,
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-1, 17*4, -1, 16*4,
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-1, -1, -1, 18*4,
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-1, 17*4, -1, -1
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};
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static int
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cris_cannot_store_register (int regno)
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{
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if (cris_regmap[regno] == -1)
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return 1;
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return (regno >= cris_num_regs);
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}
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static int
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cris_cannot_fetch_register (int regno)
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{
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if (cris_regmap[regno] == -1)
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return 1;
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return (regno >= cris_num_regs);
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}
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extern int debug_threads;
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static CORE_ADDR
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cris_get_pc (void)
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{
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unsigned long pc;
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collect_register_by_name ("pc", &pc);
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if (debug_threads)
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fprintf (stderr, "stop pc is %08lx\n", pc);
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return pc;
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}
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static void
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cris_set_pc (CORE_ADDR pc)
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{
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unsigned long newpc = pc;
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supply_register_by_name ("pc", &newpc);
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}
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static const unsigned short cris_breakpoint = 0xe938;
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#define cris_breakpoint_len 2
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static int
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cris_breakpoint_at (CORE_ADDR where)
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{
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unsigned short insn;
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(*the_target->read_memory) (where, (unsigned char *) &insn,
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cris_breakpoint_len);
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if (insn == cris_breakpoint)
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return 1;
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/* If necessary, recognize more trap instructions here. GDB only uses the
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one. */
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return 0;
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}
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/* We only place breakpoints in empty marker functions, and thread locking
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is outside of the function. So rather than importing software single-step,
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we can just run until exit. */
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static CORE_ADDR
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cris_reinsert_addr (void)
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{
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unsigned long pc;
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collect_register_by_name ("srp", &pc);
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return pc;
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}
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struct linux_target_ops the_low_target = {
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init_registers_cris,
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cris_num_regs,
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cris_regmap,
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cris_cannot_fetch_register,
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cris_cannot_store_register,
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cris_get_pc,
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cris_set_pc,
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(const unsigned char *) &cris_breakpoint,
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cris_breakpoint_len,
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cris_reinsert_addr,
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0,
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cris_breakpoint_at,
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0,
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0,
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0,
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0,
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};
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