diff options
| -rw-r--r-- | gdb/ChangeLog | 8 | ||||
| -rw-r--r-- | gdb/Makefile.in | 4 | ||||
| -rw-r--r-- | gdb/config/powerpc/fbsd.mh | 23 | ||||
| -rw-r--r-- | gdb/configure.host | 1 | ||||
| -rw-r--r-- | gdb/configure.tgt | 7 | ||||
| -rw-r--r-- | gdb/ppcfbsd-nat.c | 224 | ||||
| -rw-r--r-- | gdb/ppcfbsd-tdep.c | 355 | ||||
| -rw-r--r-- | gdb/ppcfbsd-tdep.h | 29 |
8 files changed, 649 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 130728a..d8e7303 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,11 @@ +2013-02-04 Andreas Tobler <andreast@fgznet.ch> + + * Makefile.in (ALL_TARGET_OBS): Add powerpc FreeBSD files. + * configure.host: Add powerpc*-*-freebsd* target. + * configure.tgt: Add target info for powerpc*-*-freebsd*. + * ppcfbsd-nat.c, ppcfbsd-tdep.h, ppcfbsd-tdep.c: New files. + * config/powerpc/fbsd.mh: New file. + 2013-02-04 Sergio Durigan Junior <sergiodj@redhat.com> Denys Vlasenko <dvlasenk@redhat.com> Pedro Alves <palves@redhat.com> diff --git a/gdb/Makefile.in b/gdb/Makefile.in index 0d834ac..33b4630 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -772,8 +772,8 @@ LINTFILES = $(SFILES) $(YYFILES) $(CONFIG_SRCS) init.c HFILES_NO_SRCDIR = \ common/gdb_signals.h common/gdb_thread_db.h common/gdb_vecs.h \ common/i386-xstate.h common/linux-ptrace.h \ -proc-utils.h aarch64-tdep.h arm-tdep.h ax-gdb.h ppcnbsd-tdep.h \ -cli-out.h gdb_expat.h breakpoint.h infcall.h obsd-tdep.h \ +proc-utils.h aarch64-tdep.h arm-tdep.h ax-gdb.h ppcfbsd-tdep.h \ +ppcnbsd-tdep.h cli-out.h gdb_expat.h breakpoint.h infcall.h obsd-tdep.h \ exec.h m32r-tdep.h osabi.h gdbcore.h solib-som.h amd64bsd-nat.h \ i386bsd-nat.h xml-support.h xml-tdesc.h alphabsd-tdep.h gdb_obstack.h \ ia64-tdep.h ada-lang.h ada-varobj.h varobj.h frv-tdep.h nto-tdep.h serial.h \ diff --git a/gdb/config/powerpc/fbsd.mh b/gdb/config/powerpc/fbsd.mh new file mode 100644 index 0000000..746b286 --- /dev/null +++ b/gdb/config/powerpc/fbsd.mh @@ -0,0 +1,23 @@ +# Native config information for GDB on PowerPC systems running FreeBSD. +# +# Copyright (C) 2013 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 3 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, see <http://www.gnu.org/licenses/>. */ + +NATDEPFILES= fbsd-nat.o fork-child.o inf-ptrace.o ppcfbsd-nat.o bsd-kvm.o + +LOADLIBES= -lkvm + diff --git a/gdb/configure.host b/gdb/configure.host index 7dc35e1..b13cdce 100644 --- a/gdb/configure.host +++ b/gdb/configure.host @@ -125,6 +125,7 @@ mips64*-*-openbsd*) gdb_host=obsd64 ;; powerpc-*-aix* | rs6000-*-*) gdb_host=aix ;; +powerpc*-*-freebsd*) gdb_host=fbsd ;; powerpc-*-linux*) gdb_host=linux ;; powerpc-*-netbsd* | powerpc-*-knetbsd*-gnu) gdb_host=nbsd ;; diff --git a/gdb/configure.tgt b/gdb/configure.tgt index 98e6baf..feb2059 100644 --- a/gdb/configure.tgt +++ b/gdb/configure.tgt @@ -395,6 +395,13 @@ mt-*-*) gdb_target_obs="mt-tdep.o" ;; +powerpc*-*-freebsd*) + # Target: FreeBSD/powerpc + gdb_target_obs="rs6000-tdep.o ppc-sysv-tdep.o ppc64-tdep.o \ + ppcfbsd-tdep.o solib-svr4.o \ + ravenscar-thread.o ppc-ravenscar-thread.o" + ;; + powerpc-*-netbsd* | powerpc-*-knetbsd*-gnu) # Target: NetBSD/powerpc gdb_target_obs="rs6000-tdep.o ppc-sysv-tdep.o ppcnbsd-tdep.o \ diff --git a/gdb/ppcfbsd-nat.c b/gdb/ppcfbsd-nat.c new file mode 100644 index 0000000..190d460 --- /dev/null +++ b/gdb/ppcfbsd-nat.c @@ -0,0 +1,224 @@ +/* Native-dependent code for PowerPC's running FreeBSD, for GDB. + + Copyright (C) 2013 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 3 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, see <http://www.gnu.org/licenses/>. */ + +#include "defs.h" +#include "gdbcore.h" +#include "inferior.h" +#include "regcache.h" + +#include "gdb_assert.h" +#include <stddef.h> +#include <sys/types.h> +#include <sys/procfs.h> +#include <sys/ptrace.h> +#include <sys/signal.h> +#include <machine/frame.h> +#include <machine/pcb.h> +#include <machine/reg.h> + +#include "fbsd-nat.h" +#include "gregset.h" +#include "ppc-tdep.h" +#include "ppcfbsd-tdep.h" +#include "inf-ptrace.h" +#include "bsd-kvm.h" + +/* Fill GDB's register array with the general-purpose register values + in *GREGSETP. */ + +void +supply_gregset (struct regcache *regcache, const gdb_gregset_t *gregsetp) +{ + const struct regset *regset = ppc_fbsd_gregset (sizeof (long)); + + ppc_supply_gregset (regset, regcache, -1, gregsetp, sizeof (*gregsetp)); +} + +/* Fill register REGNO (if a gpr) in *GREGSETP with the value in GDB's + register array. If REGNO is -1 do it for all registers. */ + +void +fill_gregset (const struct regcache *regcache, + gdb_gregset_t *gregsetp, int regno) +{ + const struct regset *regset = ppc_fbsd_gregset (sizeof (long)); + + if (regno == -1) + memset (gregsetp, 0, sizeof (*gregsetp)); + ppc_collect_gregset (regset, regcache, regno, gregsetp, sizeof (*gregsetp)); +} + +/* Fill GDB's register array with the floating-point register values + in *FPREGSETP. */ + +void +supply_fpregset (struct regcache *regcache, const gdb_fpregset_t * fpregsetp) +{ + const struct regset *regset = ppc_fbsd_fpregset (); + + ppc_supply_fpregset (regset, regcache, -1, + fpregsetp, sizeof (*fpregsetp)); +} + +/* Fill register REGNO in *FGREGSETP with the value in GDB's + register array. If REGNO is -1 do it for all registers. */ + +void +fill_fpregset (const struct regcache *regcache, + gdb_fpregset_t *fpregsetp, int regno) +{ + const struct regset *regset = ppc_fbsd_fpregset (); + + ppc_collect_fpregset (regset, regcache, regno, + fpregsetp, sizeof (*fpregsetp)); +} + +/* Returns true if PT_GETFPREGS fetches this register. */ + +static int +getfpregs_supplies (struct gdbarch *gdbarch, int regno) +{ + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + + /* FIXME: jimb/2004-05-05: Some PPC variants don't have floating + point registers. Traditionally, GDB's register set has still + listed the floating point registers for such machines, so this + code is harmless. However, the new E500 port actually omits the + floating point registers entirely from the register set --- they + don't even have register numbers assigned to them. + + It's not clear to me how best to update this code, so this assert + will alert the first person to encounter the NetBSD/E500 + combination to the problem. */ + + gdb_assert (ppc_floating_point_unit_p (gdbarch)); + + return ((regno >= tdep->ppc_fp0_regnum + && regno < tdep->ppc_fp0_regnum + ppc_num_fprs) + || regno == tdep->ppc_fpscr_regnum); +} + +/* Fetch register REGNO from the child process. If REGNO is -1, do it + for all registers. */ + +static void +ppcfbsd_fetch_inferior_registers (struct target_ops *ops, + struct regcache *regcache, int regno) +{ + gdb_gregset_t regs; + + if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), + (PTRACE_TYPE_ARG3) ®s, 0) == -1) + perror_with_name (_("Couldn't get registers")); + + supply_gregset (regcache, ®s); + + if (regno == -1 || getfpregs_supplies (get_regcache_arch (regcache), regno)) + { + const struct regset *fpregset = ppc_fbsd_fpregset (); + gdb_fpregset_t fpregs; + + if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), + (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) + perror_with_name (_("Couldn't get FP registers")); + + ppc_supply_fpregset (fpregset, regcache, regno, &fpregs, sizeof fpregs); + } +} + +/* Store register REGNO back into the child process. If REGNO is -1, + do this for all registers. */ + +static void +ppcfbsd_store_inferior_registers (struct target_ops *ops, + struct regcache *regcache, int regno) +{ + gdb_gregset_t regs; + + if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), + (PTRACE_TYPE_ARG3) ®s, 0) == -1) + perror_with_name (_("Couldn't get registers")); + + fill_gregset (regcache, ®s, regno); + + if (ptrace (PT_SETREGS, PIDGET (inferior_ptid), + (PTRACE_TYPE_ARG3) ®s, 0) == -1) + perror_with_name (_("Couldn't write registers")); + + if (regno == -1 || getfpregs_supplies (get_regcache_arch (regcache), regno)) + { + gdb_fpregset_t fpregs; + + if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), + (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) + perror_with_name (_("Couldn't get FP registers")); + + fill_fpregset (regcache, &fpregs, regno); + + if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid), + (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) + perror_with_name (_("Couldn't set FP registers")); + } +} + +/* Architecture specific function that reconstructs the + register state from PCB (Process Control Block) and supplies it + to REGCACHE. */ + +static int +ppcfbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb) +{ + struct gdbarch *gdbarch = get_regcache_arch (regcache); + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + int i, regnum; + + /* The stack pointer shouldn't be zero. */ + if (pcb->pcb_sp == 0) + return 0; + + regcache_raw_supply (regcache, gdbarch_sp_regnum (gdbarch), &pcb->pcb_sp); + regcache_raw_supply (regcache, tdep->ppc_cr_regnum, &pcb->pcb_cr); + regcache_raw_supply (regcache, tdep->ppc_lr_regnum, &pcb->pcb_lr); + for (i = 0, regnum = tdep->ppc_gp0_regnum + 14; i < 20; i++, regnum++) + regcache_raw_supply (regcache, regnum, &pcb->pcb_context[i]); + + return 1; +} + +/* Provide a prototype to silence -Wmissing-prototypes. */ + +void _initialize_ppcfbsd_nat (void); + +void +_initialize_ppcfbsd_nat (void) +{ + struct target_ops *t; + + /* Add in local overrides. */ + t = inf_ptrace_target (); + t->to_fetch_registers = ppcfbsd_fetch_inferior_registers; + t->to_store_registers = ppcfbsd_store_inferior_registers; + t->to_pid_to_exec_file = fbsd_pid_to_exec_file; + t->to_find_memory_regions = fbsd_find_memory_regions; + t->to_make_corefile_notes = fbsd_make_corefile_notes; + add_target (t); + + /* Support debugging kernel virtual memory images. */ + bsd_kvm_add_target (ppcfbsd_supply_pcb); +} diff --git a/gdb/ppcfbsd-tdep.c b/gdb/ppcfbsd-tdep.c new file mode 100644 index 0000000..f18ed4f --- /dev/null +++ b/gdb/ppcfbsd-tdep.c @@ -0,0 +1,355 @@ +/* Target-dependent code for PowerPC systems running FreeBSD. + + Copyright (C) 2013 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 3 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, see <http://www.gnu.org/licenses/>. */ + +#include "defs.h" +#include "arch-utils.h" +#include "frame.h" +#include "gdbcore.h" +#include "frame-unwind.h" +#include "gdbtypes.h" +#include "osabi.h" +#include "regcache.h" +#include "regset.h" +#include "symtab.h" +#include "target.h" +#include "trad-frame.h" + +#include "gdb_assert.h" +#include "gdb_string.h" + +#include "ppc-tdep.h" +#include "ppc64-tdep.h" +#include "ppcfbsd-tdep.h" +#include "solib-svr4.h" + + +/* 32-bit regset descriptions. */ + +static const struct ppc_reg_offsets ppc32_fbsd_reg_offsets = + { + /* General-purpose registers. */ + /* .r0_offset = */ 0, + /* .gpr_size = */ 4, + /* .xr_size = */ 4, + /* .pc_offset = */ 144, + /* .ps_offset = */ -1, + /* .cr_offset = */ 132, + /* .lr_offset = */ 128, + /* .ctr_offset = */ 140, + /* .xer_offset = */ 136, + /* .mq_offset = */ -1, + + /* Floating-point registers. */ + /* .f0_offset = */ 0, + /* .fpscr_offset = */ 256, + /* .fpscr_size = */ 8, +#ifdef NOTYET + /* AltiVec registers. */ + /* .vr0_offset = */ 0, + /* .vscr_offset = */ 512 + 12, + /* .vrsave_offset = */ 512 +#endif + }; + +/* 64-bit regset descriptions. */ + +static const struct ppc_reg_offsets ppc64_fbsd_reg_offsets = + { + /* General-purpose registers. */ + /* .r0_offset = */ 0, + /* .gpr_size = */ 8, + /* .xr_size = */ 8, + /* .pc_offset = */ 288, + /* .ps_offset = */ -1, + /* .cr_offset = */ 264, + /* .lr_offset = */ 256, + /* .ctr_offset = */ 280, + /* .xer_offset = */ 272, + /* .mq_offset = */ -1, + + /* Floating-point registers. */ + /* .f0_offset = */ 0, + /* .fpscr_offset = */ 256, + /* .fpscr_size = */ 8, +#ifdef NOYET + /* AltiVec registers. */ + /* .vr0_offset = */ 0, + /* .vscr_offset = */ 512 + 12, + /* .vrsave_offset = */ 528 +#endif + }; + +/* 32-bit general-purpose register set. */ + +static const struct regset ppc32_fbsd_gregset = { + &ppc32_fbsd_reg_offsets, + ppc_supply_gregset, + ppc_collect_gregset, + NULL +}; + +/* 64-bit general-purpose register set. */ + +static const struct regset ppc64_fbsd_gregset = { + &ppc64_fbsd_reg_offsets, + ppc_supply_gregset, + ppc_collect_gregset, + NULL +}; + +/* 32-/64-bit floating-point register set. */ + +static struct regset ppc32_fbsd_fpregset = { + &ppc32_fbsd_reg_offsets, + ppc_supply_fpregset, + ppc_collect_fpregset +}; + +const struct regset * +ppc_fbsd_gregset (int wordsize) +{ + return wordsize == 8 ? &ppc64_fbsd_gregset : &ppc32_fbsd_gregset; +} + +const struct regset * +ppc_fbsd_fpregset (void) +{ + return &ppc32_fbsd_fpregset; +} + +/* Return the appropriate register set for the core section identified + by SECT_NAME and SECT_SIZE. */ + +static const struct regset * +ppcfbsd_regset_from_core_section (struct gdbarch *gdbarch, + const char *sect_name, size_t sect_size) +{ + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + if (strcmp (sect_name, ".reg") == 0 && sect_size >= 148) + { + if (tdep->wordsize == 4) + return &ppc32_fbsd_gregset; + else + return &ppc64_fbsd_gregset; + } + if (strcmp (sect_name, ".reg2") == 0 && sect_size >= 264) + return &ppc32_fbsd_fpregset; + return NULL; +} + +/* Default page size. */ + +static const int ppcfbsd_page_size = 4096; + +/* Offset for sigreturn(2). */ + +static const int ppcfbsd_sigreturn_offset[] = { + 0xc, /* FreeBSD 32-bit */ + -1 +}; + +/* Signal trampolines. */ + +static int +ppcfbsd_sigtramp_frame_sniffer (const struct frame_unwind *self, + struct frame_info *this_frame, + void **this_cache) +{ + struct gdbarch *gdbarch = get_frame_arch (this_frame); + enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); + CORE_ADDR pc = get_frame_pc (this_frame); + CORE_ADDR start_pc = (pc & ~(ppcfbsd_page_size - 1)); + const int *offset; + const char *name; + + /* A stack trampoline is detected if no name is associated + to the current pc and if it points inside a trampoline + sequence. */ + + find_pc_partial_function (pc, &name, NULL, NULL); + + /* If we have a name, we have no trampoline, return. */ + if (name) + return 0; + + for (offset = ppcfbsd_sigreturn_offset; *offset != -1; offset++) + { + gdb_byte buf[2 * PPC_INSN_SIZE]; + unsigned long insn; + + if (!safe_frame_unwind_memory (this_frame, start_pc + *offset, + buf, sizeof buf)) + continue; + + /* Check for "li r0,SYS_sigreturn". */ + insn = extract_unsigned_integer (buf, PPC_INSN_SIZE, byte_order); + if (insn != 0x380001a1) + continue; + + /* Check for "sc". */ + insn = extract_unsigned_integer (buf + PPC_INSN_SIZE, + PPC_INSN_SIZE, byte_order); + if (insn != 0x44000002) + continue; + + return 1; + } + + return 0; +} + +static struct trad_frame_cache * +ppcfbsd_sigtramp_frame_cache (struct frame_info *this_frame, void **this_cache) +{ + struct gdbarch *gdbarch = get_frame_arch (this_frame); + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); + struct trad_frame_cache *cache; + CORE_ADDR addr, base, func; + gdb_byte buf[PPC_INSN_SIZE]; + int i; + + if (*this_cache) + return *this_cache; + + cache = trad_frame_cache_zalloc (this_frame); + *this_cache = cache; + + func = get_frame_pc (this_frame); + func &= ~(ppcfbsd_page_size - 1); + if (!safe_frame_unwind_memory (this_frame, func, buf, sizeof buf)) + return cache; + + base = get_frame_register_unsigned (this_frame, gdbarch_sp_regnum (gdbarch)); + addr = base + 0x10 + 2 * tdep->wordsize; + for (i = 0; i < ppc_num_gprs; i++, addr += tdep->wordsize) + { + int regnum = i + tdep->ppc_gp0_regnum; + trad_frame_set_reg_addr (cache, regnum, addr); + } + trad_frame_set_reg_addr (cache, tdep->ppc_lr_regnum, addr); + addr += tdep->wordsize; + trad_frame_set_reg_addr (cache, tdep->ppc_cr_regnum, addr); + addr += tdep->wordsize; + trad_frame_set_reg_addr (cache, tdep->ppc_xer_regnum, addr); + addr += tdep->wordsize; + trad_frame_set_reg_addr (cache, tdep->ppc_ctr_regnum, addr); + addr += tdep->wordsize; + trad_frame_set_reg_addr (cache, gdbarch_pc_regnum (gdbarch), addr); + /* SRR0? */ + addr += tdep->wordsize; + + /* Construct the frame ID using the function start. */ + trad_frame_set_id (cache, frame_id_build (base, func)); + + return cache; +} + +static void +ppcfbsd_sigtramp_frame_this_id (struct frame_info *this_frame, + void **this_cache, struct frame_id *this_id) +{ + struct trad_frame_cache *cache = + ppcfbsd_sigtramp_frame_cache (this_frame, this_cache); + + trad_frame_get_id (cache, this_id); +} + +static struct value * +ppcfbsd_sigtramp_frame_prev_register (struct frame_info *this_frame, + void **this_cache, int regnum) +{ + struct trad_frame_cache *cache = + ppcfbsd_sigtramp_frame_cache (this_frame, this_cache); + + return trad_frame_get_register (cache, this_frame, regnum); +} + +static const struct frame_unwind ppcfbsd_sigtramp_frame_unwind = { + SIGTRAMP_FRAME, + default_frame_unwind_stop_reason, + ppcfbsd_sigtramp_frame_this_id, + ppcfbsd_sigtramp_frame_prev_register, + NULL, + ppcfbsd_sigtramp_frame_sniffer +}; + +static enum return_value_convention +ppcfbsd_return_value (struct gdbarch *gdbarch, struct value *function, + struct type *valtype, struct regcache *regcache, + gdb_byte *readbuf, const gdb_byte *writebuf) +{ + return ppc_sysv_abi_broken_return_value (gdbarch, function, valtype, + regcache, readbuf, writebuf); +} + + +static void +ppcfbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) +{ + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + + /* FreeBSD doesn't support the 128-bit `long double' from the psABI. */ + set_gdbarch_long_double_bit (gdbarch, 64); + set_gdbarch_long_double_format (gdbarch, floatformats_ieee_double); + + if (tdep->wordsize == 4) + { + set_gdbarch_return_value (gdbarch, ppcfbsd_return_value); + + set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); + set_solib_svr4_fetch_link_map_offsets (gdbarch, + svr4_ilp32_fetch_link_map_offsets); + + frame_unwind_append_unwinder (gdbarch, &ppcfbsd_sigtramp_frame_unwind); + set_gdbarch_gcore_bfd_target (gdbarch, "elf32-powerpc"); + } + + if (tdep->wordsize == 8) + { + set_gdbarch_convert_from_func_ptr_addr + (gdbarch, ppc64_convert_from_func_ptr_addr); + set_gdbarch_skip_trampoline_code (gdbarch, ppc64_skip_trampoline_code); + set_solib_svr4_fetch_link_map_offsets (gdbarch, + svr4_lp64_fetch_link_map_offsets); + set_gdbarch_gcore_bfd_target (gdbarch, "elf64-powerpc"); + } + + set_gdbarch_regset_from_core_section + (gdbarch, ppcfbsd_regset_from_core_section); + + set_gdbarch_fetch_tls_load_module_address (gdbarch, + svr4_fetch_objfile_link_map); +} + +/* Provide a prototype to silence -Wmissing-prototypes. */ + +void _initialize_ppcfbsd_tdep (void); + +void +_initialize_ppcfbsd_tdep (void) +{ + gdbarch_register_osabi (bfd_arch_powerpc, bfd_mach_ppc, GDB_OSABI_FREEBSD_ELF, + ppcfbsd_init_abi); + gdbarch_register_osabi (bfd_arch_powerpc, bfd_mach_ppc64, + GDB_OSABI_FREEBSD_ELF, + ppcfbsd_init_abi); + gdbarch_register_osabi (bfd_arch_rs6000, 0, GDB_OSABI_FREEBSD_ELF, + ppcfbsd_init_abi); +} diff --git a/gdb/ppcfbsd-tdep.h b/gdb/ppcfbsd-tdep.h new file mode 100644 index 0000000..97d5874 --- /dev/null +++ b/gdb/ppcfbsd-tdep.h @@ -0,0 +1,29 @@ +/* Target-dependent code for GDB on PowerPC systems running FreeBSD. + + Copyright (C) 2013 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 3 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, see <http://www.gnu.org/licenses/>. */ + +#ifndef PPCFBSD_TDEP_H +#define PPCFBSD_TDEP_H + +struct regset; + +/* From ppcfbsd-tdep.c ... */ +const struct regset *ppc_fbsd_gregset (int); +const struct regset *ppc_fbsd_fpregset (void); + +#endif /* PPCFBSD_TDEP_H */ |