From eee84df140f36d21877bb874f6fa0942b16b302e Mon Sep 17 00:00:00 2001 From: Daniel Jacobowitz Date: Sat, 28 May 2005 22:09:04 +0000 Subject: gdb/ * configure.tgt (powerpc64-*-linux*): Enable gdbserver. * regformats/reg-ppc64.dat: New file. gdbserver/ * Makefile.in (SFILES): Add linux-ppc64-low.c. (linux-ppc64-low.o, reg-ppc64.c, reg-ppc64.o): New targets. * configure.srv: Add powerpc64-*-linux*. * linux-ppc64-low.c: New file. --- gdb/gdbserver/ChangeLog | 8 ++- gdb/gdbserver/Makefile.in | 7 ++- gdb/gdbserver/configure.srv | 7 ++- gdb/gdbserver/linux-ppc64-low.c | 112 ++++++++++++++++++++++++++++++++++++++++ 4 files changed, 131 insertions(+), 3 deletions(-) create mode 100644 gdb/gdbserver/linux-ppc64-low.c (limited to 'gdb/gdbserver') diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog index 248367a..7f7e4d4 100644 --- a/gdb/gdbserver/ChangeLog +++ b/gdb/gdbserver/ChangeLog @@ -1,3 +1,10 @@ +2005-05-28 Daniel Jacobowitz + + * Makefile.in (SFILES): Add linux-ppc64-low.c. + (linux-ppc64-low.o, reg-ppc64.c, reg-ppc64.o): New targets. + * configure.srv: Add powerpc64-*-linux*. + * linux-ppc64-low.c: New file. + 2005-05-23 Orjan Friberg * linux-cris-low.c: New file with support for CRIS. @@ -9,7 +16,6 @@ * configure.srv: Add cris-*-linux* and crisv32-*-linux* to list of recognized targets. - 2005-05-16 Ulrich Weigand * linux-low.c (fetch_register): Ensure buffer size is a multiple diff --git a/gdb/gdbserver/Makefile.in b/gdb/gdbserver/Makefile.in index d4e0c9e..830f6f6 100644 --- a/gdb/gdbserver/Makefile.in +++ b/gdb/gdbserver/Makefile.in @@ -124,7 +124,8 @@ SFILES= $(srcdir)/gdbreplay.c $(srcdir)/inferiors.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 \ - $(srcdir)/linux-ppc-low.c $(srcdir)/linux-s390-low.c \ + $(srcdir)/linux-ppc-low.c $(srcdir)/linux-ppc64-low.c \ + $(srcdir)/linux-s390-low.c \ $(srcdir)/linux-sh-low.c $(srcdir)/linux-x86-64-low.c DEPFILES = @GDBSERVER_DEPFILES@ @@ -271,6 +272,7 @@ linux-ia64-low.o: linux-ia64-low.c $(linux_low_h) $(server_h) linux-m32r-low.o: linux-m32r-low.c $(linux_low_h) $(server_h) linux-mips-low.o: linux-mips-low.c $(linux_low_h) $(server_h) linux-ppc-low.o: linux-ppc-low.c $(linux_low_h) $(server_h) +linux-ppc64-low.o: linux-ppc64-low.c $(linux_low_h) $(server_h) linux-s390-low.o: linux-s390-low.c $(linux_low_h) $(server_h) linux-sh-low.o: linux-sh-low.c $(linux_low_h) $(server_h) linux-x86-64-low.o: linux-x86-64-low.c $(linux_low_h) $(server_h) @@ -305,6 +307,9 @@ reg-mips.c : $(srcdir)/../regformats/reg-mips.dat $(regdat_sh) reg-ppc.o : reg-ppc.c $(regdef_h) reg-ppc.c : $(srcdir)/../regformats/reg-ppc.dat $(regdat_sh) sh $(regdat_sh) $(srcdir)/../regformats/reg-ppc.dat reg-ppc.c +reg-ppc64.o : reg-ppc64.c $(regdef_h) +reg-ppc64.c : $(srcdir)/../regformats/reg-ppc64.dat $(regdat_sh) + sh $(regdat_sh) $(srcdir)/../regformats/reg-ppc64.dat reg-ppc64.c reg-s390.o : reg-s390.c $(regdef_h) reg-s390.c : $(srcdir)/../regformats/reg-s390.dat $(regdat_sh) sh $(regdat_sh) $(srcdir)/../regformats/reg-s390.dat reg-s390.c diff --git a/gdb/gdbserver/configure.srv b/gdb/gdbserver/configure.srv index 648b202..974a670 100644 --- a/gdb/gdbserver/configure.srv +++ b/gdb/gdbserver/configure.srv @@ -59,7 +59,12 @@ case "${target}" in srv_linux_usrregs=yes srv_linux_thread_db=yes ;; - powerpc*-*-linux*) srv_regobj=reg-ppc.o + powerpc64-*-linux*) srv_regobj=reg-ppc64.o + srv_tgtobj="linux-low.o linux-ppc64-low.o" + srv_linux_usrregs=yes + srv_linux_thread_db=yes + ;; + powerpc-*-linux*) srv_regobj=reg-ppc.o srv_tgtobj="linux-low.o linux-ppc-low.o" srv_linux_usrregs=yes srv_linux_thread_db=yes diff --git a/gdb/gdbserver/linux-ppc64-low.c b/gdb/gdbserver/linux-ppc64-low.c new file mode 100644 index 0000000..9b63aa1 --- /dev/null +++ b/gdb/gdbserver/linux-ppc64-low.c @@ -0,0 +1,112 @@ +/* GNU/Linux/PowerPC64 specific low level interface, for the remote server for + GDB. + Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2005 + Free Software Foundation, Inc. + + 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include "server.h" +#include "linux-low.h" + +#include + +#define ppc_num_regs 71 + +/* We use a constant for FPSCR instead of PT_FPSCR, because + many shipped PPC64 kernels had the wrong value in ptrace.h. */ +static int ppc_regmap[] = + {PT_R0 * 8, PT_R1 * 8, PT_R2 * 8, PT_R3 * 8, + PT_R4 * 8, PT_R5 * 8, PT_R6 * 8, PT_R7 * 8, + PT_R8 * 8, PT_R9 * 8, PT_R10 * 8, PT_R11 * 8, + PT_R12 * 8, PT_R13 * 8, PT_R14 * 8, PT_R15 * 8, + PT_R16 * 8, PT_R17 * 8, PT_R18 * 8, PT_R19 * 8, + PT_R20 * 8, PT_R21 * 8, PT_R22 * 8, PT_R23 * 8, + PT_R24 * 8, PT_R25 * 8, PT_R26 * 8, PT_R27 * 8, + PT_R28 * 8, PT_R29 * 8, PT_R30 * 8, PT_R31 * 8, + PT_FPR0*8, PT_FPR0*8 + 8, PT_FPR0*8+16, PT_FPR0*8+24, + PT_FPR0*8+32, PT_FPR0*8+40, PT_FPR0*8+48, PT_FPR0*8+56, + PT_FPR0*8+64, PT_FPR0*8+72, PT_FPR0*8+80, PT_FPR0*8+88, + PT_FPR0*8+96, PT_FPR0*8+104, PT_FPR0*8+112, PT_FPR0*8+120, + PT_FPR0*8+128, PT_FPR0*8+136, PT_FPR0*8+144, PT_FPR0*8+152, + PT_FPR0*8+160, PT_FPR0*8+168, PT_FPR0*8+176, PT_FPR0*8+184, + PT_FPR0*8+192, PT_FPR0*8+200, PT_FPR0*8+208, PT_FPR0*8+216, + PT_FPR0*8+224, PT_FPR0*8+232, PT_FPR0*8+240, PT_FPR0*8+248, + PT_NIP * 8, PT_MSR * 8, PT_CCR * 8, PT_LNK * 8, + PT_CTR * 8, PT_XER * 8, PT_FPR0*8 + 256 }; + +static int +ppc_cannot_store_register (int regno) +{ + return 0; +} + +static int +ppc_cannot_fetch_register (int regno) +{ + return 0; +} + +static CORE_ADDR +ppc_get_pc (void) +{ + unsigned long pc; + + collect_register_by_name ("pc", &pc); + return (CORE_ADDR) pc; +} + +static void +ppc_set_pc (CORE_ADDR pc) +{ + unsigned long newpc = pc; + + supply_register_by_name ("pc", &newpc); +} + +/* Correct in either endianness. + This instruction is "twge r2, r2", which GDB uses as a software + breakpoint. */ +static const unsigned int ppc_breakpoint = 0x7d821008; +#define ppc_breakpoint_len 4 + +static int +ppc_breakpoint_at (CORE_ADDR where) +{ + unsigned int insn; + + (*the_target->read_memory) (where, (char *) &insn, 4); + if (insn == ppc_breakpoint) + return 1; + /* If necessary, recognize more trap instructions here. GDB only uses the + one. */ + return 0; +} + +struct linux_target_ops the_low_target = { + ppc_num_regs, + ppc_regmap, + ppc_cannot_fetch_register, + ppc_cannot_store_register, + ppc_get_pc, + ppc_set_pc, + (const char *) &ppc_breakpoint, + ppc_breakpoint_len, + NULL, + 0, + ppc_breakpoint_at, +}; -- cgit v1.1