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@@ -0,0 +1,238 @@
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+--- gdb-6.6/gdb/gdbserver/configure.srv
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++++ gdb-6.6/gdb/gdbserver/configure.srv
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+@@ -23,6 +23,11 @@ case "${target}" in
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+ srv_linux_usrregs=yes
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+ srv_linux_thread_db=yes
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+ ;;
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++ bfin-*-*) srv_regobj=reg-bfin.o
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++ srv_tgtobj="linux-low.o linux-bfin-low.o"
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++ srv_linux_usrregs=yes
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++ srv_linux_thread_db=yes
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++ ;;
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+ crisv32-*-linux*) srv_regobj=reg-crisv32.o
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+ srv_tgtobj="linux-low.o linux-crisv32-low.o"
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+ srv_linux_regsets=yes
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+--- gdb-6.6/gdb/gdbserver/linux-bfin-low.c
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++++ gdb-6.6/gdb/gdbserver/linux-bfin-low.c
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+@@ -0,0 +1,101 @@
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++/* GNU/Linux/BFIN specific low level interface, for the remote server for GDB.
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++
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++ Copyright (C) 2005 Free Software Foundation, Inc.
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++ Contributed by Analog Devices.
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++
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++ This file is part of GDB.
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++
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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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++
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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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++
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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., 51 Franklin Street, Fifth Floor,
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++ Boston, MA 02110-1301, USA. */
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++
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++#include "server.h"
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++#include "linux-low.h"
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++#include <asm/ptrace.h>
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++
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++static int bfin_regmap[] =
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++{
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++ PT_R0, PT_R1, PT_R2, PT_R3, PT_R4, PT_R5, PT_R6, PT_R7,
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++ PT_P0, PT_P1, PT_P2, PT_P3, PT_P4, PT_P5, PT_USP, PT_FP,
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++ PT_I0, PT_I1, PT_I2, PT_I3, PT_M0, PT_M1, PT_M2, PT_M3,
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++ PT_B0, PT_B1, PT_B2, PT_B3, PT_L0, PT_L1, PT_L2, PT_L3,
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++ PT_A0X, PT_A0W, PT_A1X, PT_A1W, PT_ASTAT, PT_RETS,
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++ PT_LC0, PT_LT0, PT_LB0, PT_LC1, PT_LT1, PT_LB1,
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++ -1 /* PT_CYCLES */, -1 /* PT_CYCLES2 */,
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++ -1 /* PT_USP */, PT_SEQSTAT, PT_SYSCFG, PT_PC, PT_RETX, PT_RETN, PT_RETE,
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++ PT_PC, -1 /* PT_CC */, PT_TEXT_ADDR, PT_TEXT_END_ADDR, PT_DATA_ADDR,
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++ PT_FDPIC_EXEC, PT_FDPIC_INTERP,
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++ PT_IPEND
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++};
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++
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++#define bfin_num_regs (sizeof(bfin_regmap) / sizeof(bfin_regmap[0]))
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++
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++static int
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++bfin_cannot_store_register (int regno)
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++{
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++ return (regno >= bfin_num_regs);
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++}
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++
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++static int
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++bfin_cannot_fetch_register (int regno)
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++{
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++ return (regno >= bfin_num_regs);
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++}
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++
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++static CORE_ADDR
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++bfin_get_pc ()
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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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++ return pc;
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++}
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++
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++static void
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++bfin_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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++
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++#define bfin_breakpoint_len 2
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++static const unsigned char bfin_breakpoint[bfin_breakpoint_len]={0xa1, 0x00};
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++
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++static int
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++bfin_breakpoint_at (CORE_ADDR where)
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++{
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++ unsigned char insn[bfin_breakpoint_len];
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++
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++ read_inferior_memory(where, insn, bfin_breakpoint_len);
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++ if (insn[0] == bfin_breakpoint[0]
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++ && insn[1] == bfin_breakpoint[1])
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++ return 1;
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++
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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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++
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++struct linux_target_ops the_low_target = {
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++ bfin_num_regs,
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++ bfin_regmap,
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++ bfin_cannot_fetch_register,
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++ bfin_cannot_store_register,
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++ bfin_get_pc,
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++ bfin_set_pc,
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++ bfin_breakpoint,
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++ bfin_breakpoint_len,
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++ 0,
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++ 2,
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++ bfin_breakpoint_at,
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++};
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+--- gdb-6.6/gdb/gdbserver/linux-low.c
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++++ gdb-6.6/gdb/gdbserver/linux-low.c
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+@@ -1592,6 +1592,10 @@ linux_stopped_data_address (void)
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+ #define PT_TEXT_ADDR 49*4
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+ #define PT_DATA_ADDR 50*4
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+ #define PT_TEXT_END_ADDR 51*4
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++#elif defined(BFIN)
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++#define PT_TEXT_ADDR 220
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++#define PT_TEXT_END_ADDR 224
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++#define PT_DATA_ADDR 228
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+ #endif
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+
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+ /* Under uClinux, programs are loaded at non-zero offsets, which we need
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+--- gdb-6.6/gdb/gdbserver/Makefile.in
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++++ gdb-6.6/gdb/gdbserver/Makefile.in
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+@@ -119,9 +119,9 @@ SFILES= $(srcdir)/gdbreplay.c $(srcdir)/
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+ $(srcdir)/mem-break.c $(srcdir)/proc-service.c $(srcdir)/regcache.c \
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+ $(srcdir)/remote-utils.c $(srcdir)/server.c $(srcdir)/target.c \
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+ $(srcdir)/thread-db.c $(srcdir)/utils.c \
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+- $(srcdir)/linux-arm-low.c $(srcdir)/linux-cris-low.c \
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+- $(srcdir)/linux-crisv32-low.c $(srcdir)/linux-i386-low.c \
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+- $(srcdir)/i387-fp.c \
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++ $(srcdir)/linux-arm-low.c $(srcdir)/linux-bfin-low.c \
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++ $(srcdir)/linux-cris-low.c $(srcdir)/linux-crisv32-low.c \
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++ $(srcdir)/linux-i386-low.c $(srcdir)/i387-fp.c \
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+ $(srcdir)/linux-ia64-low.c $(srcdir)/linux-low.c \
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+ $(srcdir)/linux-m32r-low.c \
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+ $(srcdir)/linux-m68k-low.c $(srcdir)/linux-mips-low.c \
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+@@ -207,6 +207,7 @@ clean:
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+ rm -f reg-arm.c reg-i386.c reg-ia64.c reg-m32r.c reg-m68k.c reg-mips.c
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+ rm -f reg-ppc.c reg-sh.c reg-spu.c reg-x86-64.c reg-i386-linux.c
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+ rm -f reg-cris.c reg-crisv32.c reg-x86-64-linux.c
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++ rm -f reg-bfin.c
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+
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+ maintainer-clean realclean distclean: clean
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+ rm -f nm.h tm.h xm.h config.status config.h stamp-h config.log
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+@@ -272,6 +273,7 @@ linux-low.o: linux-low.c $(linux_low_h)
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+
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+ linux-arm-low.o: linux-arm-low.c $(linux_low_h) $(server_h) \
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+ $(gdb_proc_service_h)
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++linux-bfin-low.o: linux-bfin-low.c $(linux_low_h) $(server_h)
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+ linux-cris-low.o: linux-cris-low.c $(linux_low_h) $(server_h)
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+ linux-crisv32-low.o: linux-crisv32-low.c $(linux_low_h) $(server_h)
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+ linux-i386-low.o: linux-i386-low.c $(linux_low_h) $(server_h) \
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+@@ -294,6 +297,9 @@ spu-low.o: spu-low.c $(server_h)
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+ reg-arm.o : reg-arm.c $(regdef_h)
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+ reg-arm.c : $(srcdir)/../regformats/reg-arm.dat $(regdat_sh)
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+ sh $(regdat_sh) $(srcdir)/../regformats/reg-arm.dat reg-arm.c
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++reg-bfin.o : reg-bfin.c $(regdef_h)
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++reg-bfin.c : $(srcdir)/../regformats/reg-bfin.dat $(regdat_sh)
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++ sh $(regdat_sh) $(srcdir)/../regformats/reg-bfin.dat reg-bfin.c
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+ reg-cris.o : reg-cris.c $(regdef_h)
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+ reg-cris.c : $(srcdir)/../regformats/reg-cris.dat $(regdat_sh)
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+ sh $(regdat_sh) $(srcdir)/../regformats/reg-cris.dat reg-cris.c
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+--- gdb-6.6/gdb/regformats/reg-bfin.dat
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++++ gdb-6.6/gdb/regformats/reg-bfin.dat
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+@@ -0,0 +1,63 @@
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++name:bfin
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++expedite:pc,sp,fp
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++32:r0
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++32:r1
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++32:r2
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++32:r3
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++32:r4
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++32:r5
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++32:r6
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++32:r7
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++32:p0
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++32:p1
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++32:p2
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++32:p3
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++32:p4
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++32:p5
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++32:sp
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++32:fp
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++32:i0
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++32:i1
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++32:i2
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++32:i3
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++32:m0
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++32:m1
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++32:m2
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++32:m3
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++32:b0
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++32:b1
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++32:b2
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++32:b3
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++32:l0
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++32:l1
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++32:l2
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++32:l3
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++32:a0x
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++32:a0w
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++32:a1x
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++32:a1w
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++32:astat
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++32:rets
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++32:lc0
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++32:lt0
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++32:lb0
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++32:lc1
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++32:lt1
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++32:lb1
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++32:cycles
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++32:cycles2
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++32:usp
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++32:seqstat
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++32:syscfg
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++32:reti
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++32:retx
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++32:retn
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++32:rete
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++32:pc
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++32:cc
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++32:text_addr
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++32:text_end_addr
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++32:data_addr
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++32:fdpic_exec
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++32:fdpic_interp
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++32:ipend
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Mike Frysinger