| --- gdb-6.6/gdb/gdbserver/configure.srv |
| +++ gdb-6.6/gdb/gdbserver/configure.srv |
| @@ -23,6 +23,11 @@ case "${target}" in |
| srv_linux_usrregs=yes |
| srv_linux_thread_db=yes |
| ;; |
| + bfin-*-*) srv_regobj=reg-bfin.o |
| + srv_tgtobj="linux-low.o linux-bfin-low.o" |
| + srv_linux_usrregs=yes |
| + srv_linux_thread_db=yes |
| + ;; |
| crisv32-*-linux*) srv_regobj=reg-crisv32.o |
| srv_tgtobj="linux-low.o linux-crisv32-low.o" |
| srv_linux_regsets=yes |
| --- gdb-6.6/gdb/gdbserver/linux-bfin-low.c |
| +++ gdb-6.6/gdb/gdbserver/linux-bfin-low.c |
| @@ -0,0 +1,101 @@ |
| +/* GNU/Linux/BFIN specific low level interface, for the remote server for GDB. |
| + |
| + Copyright (C) 2005 Free Software Foundation, Inc. |
| + Contributed by Analog Devices. |
| + |
| + This file is part of GDB. |
| + |
| + This program is free software; you can redistribute it and/or modify |
| + it under the terms of the GNU General Public License as published by |
| + the Free Software Foundation; either version 2 of the License, or |
| + (at your option) any later version. |
| + |
| + This program is distributed in the hope that it will be useful, |
| + but WITHOUT ANY WARRANTY; without even the implied warranty of |
| + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| + GNU General Public License for more details. |
| + |
| + You should have received a copy of the GNU General Public License |
| + along with this program; if not, write to the Free Software |
| + Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| + Boston, MA 02110-1301, USA. */ |
| + |
| +#include "server.h" |
| +#include "linux-low.h" |
| +#include <asm/ptrace.h> |
| + |
| +static int bfin_regmap[] = |
| +{ |
| + PT_R0, PT_R1, PT_R2, PT_R3, PT_R4, PT_R5, PT_R6, PT_R7, |
| + PT_P0, PT_P1, PT_P2, PT_P3, PT_P4, PT_P5, PT_USP, PT_FP, |
| + PT_I0, PT_I1, PT_I2, PT_I3, PT_M0, PT_M1, PT_M2, PT_M3, |
| + PT_B0, PT_B1, PT_B2, PT_B3, PT_L0, PT_L1, PT_L2, PT_L3, |
| + PT_A0X, PT_A0W, PT_A1X, PT_A1W, PT_ASTAT, PT_RETS, |
| + PT_LC0, PT_LT0, PT_LB0, PT_LC1, PT_LT1, PT_LB1, |
| + -1 /* PT_CYCLES */, -1 /* PT_CYCLES2 */, |
| + -1 /* PT_USP */, PT_SEQSTAT, PT_SYSCFG, PT_PC, PT_RETX, PT_RETN, PT_RETE, |
| + PT_PC, -1 /* PT_CC */, PT_TEXT_ADDR, PT_TEXT_END_ADDR, PT_DATA_ADDR, |
| + PT_FDPIC_EXEC, PT_FDPIC_INTERP, |
| + PT_IPEND |
| +}; |
| + |
| +#define bfin_num_regs (sizeof(bfin_regmap) / sizeof(bfin_regmap[0])) |
| + |
| +static int |
| +bfin_cannot_store_register (int regno) |
| +{ |
| + return (regno >= bfin_num_regs); |
| +} |
| + |
| +static int |
| +bfin_cannot_fetch_register (int regno) |
| +{ |
| + return (regno >= bfin_num_regs); |
| +} |
| + |
| +static CORE_ADDR |
| +bfin_get_pc () |
| +{ |
| + unsigned long pc; |
| + collect_register_by_name ("pc", &pc); |
| + return pc; |
| +} |
| + |
| +static void |
| +bfin_set_pc (CORE_ADDR pc) |
| +{ |
| + unsigned long newpc = pc; |
| + supply_register_by_name ("pc", &newpc); |
| +} |
| + |
| +#define bfin_breakpoint_len 2 |
| +static const unsigned char bfin_breakpoint[bfin_breakpoint_len]={0xa1, 0x00}; |
| + |
| +static int |
| +bfin_breakpoint_at (CORE_ADDR where) |
| +{ |
| + unsigned char insn[bfin_breakpoint_len]; |
| + |
| + read_inferior_memory(where, insn, bfin_breakpoint_len); |
| + if (insn[0] == bfin_breakpoint[0] |
| + && insn[1] == bfin_breakpoint[1]) |
| + return 1; |
| + |
| + /* If necessary, recognize more trap instructions here. GDB only uses the |
| + one. */ |
| + return 0; |
| +} |
| + |
| +struct linux_target_ops the_low_target = { |
| + bfin_num_regs, |
| + bfin_regmap, |
| + bfin_cannot_fetch_register, |
| + bfin_cannot_store_register, |
| + bfin_get_pc, |
| + bfin_set_pc, |
| + bfin_breakpoint, |
| + bfin_breakpoint_len, |
| + 0, |
| + 2, |
| + bfin_breakpoint_at, |
| +}; |
| --- gdb-6.6/gdb/gdbserver/linux-low.c |
| +++ gdb-6.6/gdb/gdbserver/linux-low.c |
| @@ -1592,6 +1592,10 @@ linux_stopped_data_address (void) |
| #define PT_TEXT_ADDR 49*4 |
| #define PT_DATA_ADDR 50*4 |
| #define PT_TEXT_END_ADDR 51*4 |
| +#elif defined(BFIN) |
| +#define PT_TEXT_ADDR 220 |
| +#define PT_TEXT_END_ADDR 224 |
| +#define PT_DATA_ADDR 228 |
| #endif |
| |
| /* Under uClinux, programs are loaded at non-zero offsets, which we need |
| --- gdb-6.6/gdb/gdbserver/Makefile.in |
| +++ gdb-6.6/gdb/gdbserver/Makefile.in |
| @@ -119,9 +119,9 @@ SFILES= $(srcdir)/gdbreplay.c $(srcdir)/ |
| $(srcdir)/mem-break.c $(srcdir)/proc-service.c $(srcdir)/regcache.c \ |
| $(srcdir)/remote-utils.c $(srcdir)/server.c $(srcdir)/target.c \ |
| $(srcdir)/thread-db.c $(srcdir)/utils.c \ |
| - $(srcdir)/linux-arm-low.c $(srcdir)/linux-cris-low.c \ |
| - $(srcdir)/linux-crisv32-low.c $(srcdir)/linux-i386-low.c \ |
| - $(srcdir)/i387-fp.c \ |
| + $(srcdir)/linux-arm-low.c $(srcdir)/linux-bfin-low.c \ |
| + $(srcdir)/linux-cris-low.c $(srcdir)/linux-crisv32-low.c \ |
| + $(srcdir)/linux-i386-low.c $(srcdir)/i387-fp.c \ |
| $(srcdir)/linux-ia64-low.c $(srcdir)/linux-low.c \ |
| $(srcdir)/linux-m32r-low.c \ |
| $(srcdir)/linux-m68k-low.c $(srcdir)/linux-mips-low.c \ |
| @@ -207,6 +207,7 @@ clean: |
| rm -f reg-arm.c reg-i386.c reg-ia64.c reg-m32r.c reg-m68k.c reg-mips.c |
| rm -f reg-ppc.c reg-sh.c reg-spu.c reg-x86-64.c reg-i386-linux.c |
| rm -f reg-cris.c reg-crisv32.c reg-x86-64-linux.c |
| + rm -f reg-bfin.c |
| |
| maintainer-clean realclean distclean: clean |
| rm -f nm.h tm.h xm.h config.status config.h stamp-h config.log |
| @@ -272,6 +273,7 @@ linux-low.o: linux-low.c $(linux_low_h) |
| |
| linux-arm-low.o: linux-arm-low.c $(linux_low_h) $(server_h) \ |
| $(gdb_proc_service_h) |
| +linux-bfin-low.o: linux-bfin-low.c $(linux_low_h) $(server_h) |
| linux-cris-low.o: linux-cris-low.c $(linux_low_h) $(server_h) |
| linux-crisv32-low.o: linux-crisv32-low.c $(linux_low_h) $(server_h) |
| linux-i386-low.o: linux-i386-low.c $(linux_low_h) $(server_h) \ |
| @@ -294,6 +297,9 @@ spu-low.o: spu-low.c $(server_h) |
| reg-arm.o : reg-arm.c $(regdef_h) |
| reg-arm.c : $(srcdir)/../regformats/reg-arm.dat $(regdat_sh) |
| sh $(regdat_sh) $(srcdir)/../regformats/reg-arm.dat reg-arm.c |
| +reg-bfin.o : reg-bfin.c $(regdef_h) |
| +reg-bfin.c : $(srcdir)/../regformats/reg-bfin.dat $(regdat_sh) |
| + sh $(regdat_sh) $(srcdir)/../regformats/reg-bfin.dat reg-bfin.c |
| reg-cris.o : reg-cris.c $(regdef_h) |
| reg-cris.c : $(srcdir)/../regformats/reg-cris.dat $(regdat_sh) |
| sh $(regdat_sh) $(srcdir)/../regformats/reg-cris.dat reg-cris.c |
| --- gdb-6.6/gdb/regformats/reg-bfin.dat |
| +++ gdb-6.6/gdb/regformats/reg-bfin.dat |
| @@ -0,0 +1,63 @@ |
| +name:bfin |
| +expedite:pc,sp,fp |
| +32:r0 |
| +32:r1 |
| +32:r2 |
| +32:r3 |
| +32:r4 |
| +32:r5 |
| +32:r6 |
| +32:r7 |
| +32:p0 |
| +32:p1 |
| +32:p2 |
| +32:p3 |
| +32:p4 |
| +32:p5 |
| +32:sp |
| +32:fp |
| +32:i0 |
| +32:i1 |
| +32:i2 |
| +32:i3 |
| +32:m0 |
| +32:m1 |
| +32:m2 |
| +32:m3 |
| +32:b0 |
| +32:b1 |
| +32:b2 |
| +32:b3 |
| +32:l0 |
| +32:l1 |
| +32:l2 |
| +32:l3 |
| +32:a0x |
| +32:a0w |
| +32:a1x |
| +32:a1w |
| +32:astat |
| +32:rets |
| +32:lc0 |
| +32:lt0 |
| +32:lb0 |
| +32:lc1 |
| +32:lt1 |
| +32:lb1 |
| +32:cycles |
| +32:cycles2 |
| +32:usp |
| +32:seqstat |
| +32:syscfg |
| +32:reti |
| +32:retx |
| +32:retn |
| +32:rete |
| +32:pc |
| +32:cc |
| +32:text_addr |
| +32:text_end_addr |
| +32:data_addr |
| +32:fdpic_exec |
| +32:fdpic_interp |
| +32:ipend |
