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f450004a28
* configure.ac: Add a test for socklen_t. Use three-argument AC_DEFINE throughout. * config.in: Regenerated using autoheader 2.59. * configure: Regenerated. * gdbreplay.c (socklen_t): Provide a default. (remote_open): Use socklen_t. * remote-utils.c (socklen_t): Provide a default. (remote_open): Use socklen_t. (convert_int_to_ascii, convert_ascii_to_int, decode_M_packet): Use unsigned char. * i387-fp.c (struct i387_fsave, struct i387_fxsave): Use unsigned char for buffers. * linux-low.c (linux_read_memory, linux_write_memory) (linux_read_auxv): Likewise. * mem-break.c (breakpoint_data, set_breakpoint_data, check_mem_read) (check_mem_write): Likewise. * mem-break.h (set_breakpoint_data, check_mem_read, check_mem_write): Likewise. * regcache.c (struct inferior_rgcache_data, registers_to_string) (registers_from_string, register_data): Likewise. * server.c (handle_query, main): Likewise. * server.h (convert_ascii_to_int, convert_int_to_ascii) (decode_M_packet): Likewise. * target.c (read_inferior_memory, write_inferior_memory): Likewise. * target.h (struct target_ops): Update read_memory, write_memory, and read_auxv. (read_inferior_memory, write_inferior_memory): Update. * linux-low.h (struct linux_target_ops): Change type of breakpoint to unsigned char *. * linux-arm-low.c, linux-cris-low.c, linux-crisv32-low.c, linux-i386-low.c, linux-m32r-low.c, linux-m68k-low.c, linux-mips-low.c, linux-ppc-low.c, linux-ppc64-low.c, linux-s390-low.c, linux-sh-low.c: Update for changes in read_inferior_memory and the_low_target->breakpoint.
126 lines
2.9 KiB
C
126 lines
2.9 KiB
C
/* GNU/Linux/CRIS specific low level interface, for the remote server for GDB.
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Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
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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 2 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, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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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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/* 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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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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