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442ea88105
(struct regcache): New. (new_register_cache): Adjust prototype. (get_thread_regcache): Declare. (free_register_cache): Adjust prototype. (registers_to_string, registers_from_string): Ditto. (supply_register, supply_register_by_name, collect_register) (collect_register_as_string, collect_register_by_name): Ditto. * regcache.c (struct inferior_regcache_data): Delete. (get_regcache): Rename to ... (get_thread_regcache): ... this. Adjust. Switch inferior before fetching registers. (regcache_invalidate_one): Adjust. (regcache_invalidate): Fix prototype. (new_register_cache): Return the new register cache. (free_register_cache): Change prototype. (realloc_register_cache): Adjust. (registers_to_string): Change prototype to take a regcache. Adjust. (registers_from_string): Ditto. (register_data): Ditto. (supply_register): Ditto. (supply_register_by_name): Ditto. (collect_register): Ditto. (collect_register_as_string): Ditto. (collect_register_by_name): Ditto. * server.c (process_serial_event): Adjust. * linux-low.h (regset_fill_func, regset_store_func): Change prototype. (get_pc, set_pc, collect_ptrace_register, supply_ptrace_register): Change prototype. * linux-low.c (get_stop_pc): Adjust. (check_removed_breakpoint): Adjust. (linux_wait_for_event): Adjust. (linux_resume_one_lwp): Adjust. (fetch_register): Add regcache parameter. Adjust. (usr_store_inferior_registers): Ditto. (regsets_fetch_inferior_registers): Ditto. (regsets_store_inferior_registers): Ditto. (linux_fetch_registers, linux_store_registers): Ditto. * i387-fp.c (i387_cache_to_fsave): Change prototype to take a regcache. Adjust. (i387_fsave_to_cache, i387_cache_to_fxsave, i387_fxsave_to_cache): Ditto. * i387-fp.h (i387_cache_to_fsave, i387_fsave_to_cache): Change prototype to take a regcache. (i387_cache_to_fxsave, i387_fxsave_to_cache): Ditto. * remote-utils.c (convert_ascii_to_int, outreg) (prepare_resume_reply): Change prototype to take a regcache. Adjust. * target.h (struct target_ops) <fetch_registers, store_registers>: Change prototype to take a regcache. (fetch_inferior_registers, store_inferior_registers): Change prototype to take a regcache. Adjust. * proc-service.c (ps_lgetregs): Adjust. * linux-x86-low.c (x86_fill_gregset, x86_store_gregset) (x86_fill_fpregset, x86_store_fpregset, x86_fill_fpxregset) (x86_store_fpxregset, x86_get_pc, x86_set_pc): Change prototype to take a regcache. Adjust. * linux-arm-low.c (arm_fill_gregset, arm_store_gregset) (arm_fill_wmmxregset, arm_store_wmmxregset, arm_fill_vfpregset) (arm_store_vfpregset, arm_get_pc, arm_set_pc): (arm_breakpoint_at): Change prototype to take a regcache. Adjust. * linux-cris-low.c (cris_get_pc, cris_set_pc) (cris_cannot_fetch_register): (cris_breakpoint_at): Change prototype to take a regcache. Adjust. * linux-crisv32-low.c (cris_get_pc, cris_set_pc, cris_reinsert_addr, cris_write_data_breakpoint): Change prototype to take a regcache. Adjust. (cris_breakpoint_at, cris_insert_point, cris_remove_point): Adjust. * linux-m32r-low.c (m32r_get_pc, m32r_set_pc): Change prototype to take a regcache. Adjust. * linux-m68k-low.c (m68k_fill_gregset, m68k_store_gregset) (m68k_fill_fpregset, m68k_store_fpregset, m68k_get_pc, (m68k_set_pc): Change prototype to take a regcache. Adjust. * linux-mips-low.c (mips_get_pc): (mips_set_pc): Change prototype to take a regcache. Adjust. (mips_reinsert_addr): Adjust. (mips_collect_register): Change prototype to take a regcache. Adjust. (mips_supply_register): (mips_collect_register_32bit, mips_supply_register_32bit) (mips_fill_gregset, mips_store_gregset, mips_fill_fpregset) (mips_store_fpregset): Ditto. * linux-ppc-low.c (ppc_supply_ptrace_register, ppc_supply_ptrace_register): Ditto. (parse_spufs_run): Adjust. (ppc_get_pc, ppc_set_pc, ppc_fill_gregset, ppc_fill_vsxregset) (ppc_store_vsxregset, ppc_fill_vrregset, ppc_store_vrregset) (ppc_fill_evrregset, ppc_store_evrregset): Change prototype to take a regcache. Adjust. * linux-s390-low.c (s390_collect_ptrace_register) (s390_supply_ptrace_register, s390_fill_gregset, s390_get_pc) (s390_set_pc): Change prototype to take a regcache. Adjust. (s390_arch_setup): Adjust. * linux-sh-low.c (sh_get_pc, sh_breakpoint_at) (sh_fill_gregset): Change prototype to take a regcache. Adjust. * linux-sparc-low.c (sparc_fill_gregset_to_stack) (sparc_fill_gregset, sparc_store_gregset_from_stack) (sparc_store_gregset, sparc_get_pc): Change prototype to take a regcache. Adjust. (sparc_breakpoint_at): Adjust. * linux-xtensa-low.c (xtensa_fill_gregset): (xtensa_store_gregset): (xtensa_fill_xtregset, xtensa_store_xtregset, xtensa_get_pc) (xtensa_set_pc): Change prototype to take a regcache. Adjust. * nto-low.c (nto_fetch_registers, nto_store_registers): Change prototype to take a regcache. Adjust. * win32-arm-low.c (arm_fetch_inferior_register) (arm_store_inferior_register): Change prototype to take a regcache. Adjust. * win32-i386-low.c (i386_fetch_inferior_register) (i386_store_inferior_register): Change prototype to take a regcache. Adjust. * win32-low.c (child_fetch_inferior_registers) (child_store_inferior_registers): Change prototype to take a regcache. Adjust. (win32_wait): Adjust. (win32_fetch_inferior_registers): Change prototype to take a regcache. Adjust. (win32_store_inferior_registers): Adjust. * win32-low.h (struct win32_target_ops) <fetch_inferior_register, store_inferior_register>: Change prototype to take a regcache.
129 lines
3.1 KiB
C
129 lines
3.1 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, 2009, 2010 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 (struct regcache *regcache, void)
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{
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unsigned long pc;
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collect_register_by_name (regcache, "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 (struct regcache *regcache, CORE_ADDR pc)
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{
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unsigned long newpc = pc;
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supply_register_by_name (regcache, "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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struct regcache *regcache = get_thread_regcache (current_inferior, 1);
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unsigned long pc;
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collect_register_by_name (regcache, "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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