mirror of
https://sourceware.org/git/binutils-gdb.git
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* ppcnbsd-nat.c: Rewrite.
* ppcnbsd-tdep.c: New file. * ppcnbsd-tdep.h: New file. * config/powerpc/nbsd.mh (NATDEPFILES): Remove corelow.o, solib.o, and solib-svr4.o. * config/powerpc/nbsd.mt (TDEPFILES): Add ppcnbsd-tdep.o, nbsd-tdep.o, and corelow.o.
This commit is contained in:
Jason Thorpe
parent
1d7c105379
commit
485721b1e7
@ -1,3 +1,13 @@
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2002-05-28 Jason Thorpe <thorpej@wasabisystems.com>
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* ppcnbsd-nat.c: Rewrite.
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* ppcnbsd-tdep.c: New file.
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* ppcnbsd-tdep.h: New file.
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* config/powerpc/nbsd.mh (NATDEPFILES): Remove corelow.o,
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solib.o, and solib-svr4.o.
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* config/powerpc/nbsd.mt (TDEPFILES): Add ppcnbsd-tdep.o,
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nbsd-tdep.o, and corelow.o.
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2002-05-28 Andrew Cagney <ac131313@redhat.com>
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* MAINTAINERS (--enable-gdb-build-warnings): Rewrite script to use
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@ -1,4 +1,3 @@
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# Host: PowerPC, running NetBSD
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NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o ppcnbsd-nat.o \
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solib.o solib-svr4.o solib-legacy.o
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NATDEPFILES= fork-child.o infptrace.o inftarg.o ppcnbsd-nat.o solib-legacy.o
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NAT_FILE= nm-nbsd.h
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@ -1,5 +1,6 @@
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# Target: PowerPC, running NetBSD
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TDEPFILES= rs6000-tdep.o ppc-linux-tdep.o solib.o solib-svr4.o
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TDEPFILES= rs6000-tdep.o ppcnbsd-tdep.o nbsd-tdep.o ppc-linux-tdep.o corelow.o \
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solib.o solib-svr4.o
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TM_FILE= tm-nbsd.h
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SIM_OBS = remote-sim.o
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@ -1,6 +1,6 @@
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/* Native-dependent code for PowerPC's running NetBSD, for GDB.
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Copyright 1988, 1989, 1991, 1992, 1994, 1996, 2000, 2001
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Free Software Foundation, Inc.
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Copyright 2002 Free Software Foundation, Inc.
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Contributed by Wasabi Systems, Inc.
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This file is part of GDB.
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@ -22,124 +22,102 @@
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#include <sys/types.h>
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#include <sys/ptrace.h>
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#include <machine/reg.h>
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#include <machine/frame.h>
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#include "defs.h"
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#include "inferior.h"
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#include "gdbcore.h"
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#include "ppc-tdep.h"
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#include "regcache.h"
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#define RF(dst, src) \
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memcpy(®isters[REGISTER_BYTE(dst)], &src, sizeof(src))
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#define RS(src, dst) \
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memcpy(&dst, ®isters[REGISTER_BYTE(src)], sizeof(dst))
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#include "ppc-tdep.h"
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#include "ppcnbsd-tdep.h"
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/* Returns true if PT_GETREGS fetches this register. */
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static int
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getregs_supplies (int regno)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
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return ((regno >= 0 && regno <= 31)
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|| regno == tdep->ppc_lr_regnum
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|| regno == tdep->ppc_cr_regnum
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|| regno == tdep->ppc_xer_regnum
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|| regno == tdep->ppc_ctr_regnum
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|| regno == PC_REGNUM);
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}
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/* Like above, but for PT_GETFPREGS. */
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static int
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getfpregs_supplies (int regno)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
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return ((regno >= FP0_REGNUM && regno <= FP0_REGNUM + 31)
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|| regno == tdep->ppc_fpscr_regnum);
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}
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void
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fetch_inferior_registers (int regno)
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{
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struct reg inferior_registers;
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#ifdef PT_GETFPREGS
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struct fpreg inferior_fp_registers;
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#endif
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int i;
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if (regno == -1 || getregs_supplies (regno))
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{
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struct reg regs;
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ptrace (PT_GETREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) & inferior_registers, 0);
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for (i = 0; i < 32; i++)
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RF (i, inferior_registers.fixreg[i]);
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RF (gdbarch_tdep (current_gdbarch)->ppc_lr_regnum, inferior_registers.lr);
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RF (gdbarch_tdep (current_gdbarch)->ppc_cr_regnum, inferior_registers.cr);
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RF (gdbarch_tdep (current_gdbarch)->ppc_xer_regnum, inferior_registers.xer);
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RF (gdbarch_tdep (current_gdbarch)->ppc_ctr_regnum, inferior_registers.ctr);
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RF (PC_REGNUM, inferior_registers.pc);
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if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) ®s, 0) == -1)
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perror_with_name ("Couldn't get registers");
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#ifdef PT_GETFPREGS
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ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) &inferior_fp_registers, 0);
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for (i = 0; i < 32; i++)
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RF (FP0_REGNUM + i, inferior_fp_registers.fpreg[i]);
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#endif
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ppcnbsd_supply_reg ((char *) ®s, regno);
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if (regno != -1)
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return;
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}
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registers_fetched ();
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if (regno == -1 || getfpregs_supplies (regno))
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{
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struct fpreg fpregs;
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if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
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perror_with_name ("Couldn't get FP registers");
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ppcnbsd_supply_fpreg ((char *) &fpregs, regno);
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if (regno != -1)
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return;
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}
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}
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void
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store_inferior_registers (int regno)
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{
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struct reg inferior_registers;
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#ifdef PT_SETFPREGS
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struct fpreg inferior_fp_registers;
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#endif
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int i;
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if (regno == -1 || getregs_supplies (regno))
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{
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struct reg regs;
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for (i = 0; i < 32; i++)
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RS (i, inferior_registers.fixreg[i]);
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RS (gdbarch_tdep (current_gdbarch)->ppc_lr_regnum, inferior_registers.lr);
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RS (gdbarch_tdep (current_gdbarch)->ppc_cr_regnum, inferior_registers.cr);
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RS (gdbarch_tdep (current_gdbarch)->ppc_xer_regnum, inferior_registers.xer);
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RS (gdbarch_tdep (current_gdbarch)->ppc_ctr_regnum, inferior_registers.ctr);
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RS (PC_REGNUM, inferior_registers.pc);
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if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) ®s, 0) == -1)
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perror_with_name ("Couldn't get registers");
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ptrace (PT_SETREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) & inferior_registers, 0);
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ppcnbsd_fill_reg ((char *) ®s, regno);
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#ifdef PT_SETFPREGS
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for (i = 0; i < 32; i++)
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RS (FP0_REGNUM + i, inferior_fp_registers.fpreg[i]);
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ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) & inferior_fp_registers, 0);
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#endif
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}
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struct md_core
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{
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struct reg intreg;
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#ifdef PT_GETFPREGS
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struct fpreg freg;
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#endif
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};
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void
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fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which,
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CORE_ADDR ignore)
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{
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struct md_core *core_reg = (struct md_core *) core_reg_sect;
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int i;
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/* Integer registers */
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for (i = 0; i < 32; i++)
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RF (i, core_reg->intreg.fixreg[i]);
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RF (gdbarch_tdep (current_gdbarch)->ppc_lr_regnum, core_reg->intreg.lr);
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RF (gdbarch_tdep (current_gdbarch)->ppc_cr_regnum, core_reg->intreg.cr);
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RF (gdbarch_tdep (current_gdbarch)->ppc_xer_regnum, core_reg->intreg.xer);
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RF (gdbarch_tdep (current_gdbarch)->ppc_ctr_regnum, core_reg->intreg.ctr);
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RF (PC_REGNUM, core_reg->intreg.pc);
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#ifdef PT_FPGETREGS
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/* Floating point registers */
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for (i = 0; i < 32; i++)
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RF (FP0_REGNUM + i, core_reg->freg.fpreg[i]);
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#endif
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registers_fetched ();
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}
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/* Register that we are able to handle ppcnbsd core file formats.
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FIXME: is this really bfd_target_unknown_flavour? */
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static struct core_fns ppcnbsd_core_fns =
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{
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bfd_target_unknown_flavour, /* core_flavour */
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default_check_format, /* check_format */
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default_core_sniffer, /* core_sniffer */
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fetch_core_registers, /* core_read_registers */
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NULL /* next */
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};
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void
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_initialize_ppcnbsd_nat (void)
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{
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add_core_fns (&ppcnbsd_core_fns);
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if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) ®s, 0) == -1)
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perror_with_name ("Couldn't write registers");
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if (regno != -1)
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return;
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}
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if (regno == -1 || getfpregs_supplies (regno))
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{
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struct fpreg fpregs;
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if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
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perror_with_name ("Couldn't get FP registers");
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ppcnbsd_fill_fpreg ((char *) &fpregs, regno);
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if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
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perror_with_name ("Couldn't set FP registers");
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}
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}
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222
gdb/ppcnbsd-tdep.c
Normal file
222
gdb/ppcnbsd-tdep.c
Normal file
@ -0,0 +1,222 @@
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/* Target-dependent code for PowerPC systems running NetBSD.
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Copyright 2002 Free Software Foundation, Inc.
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Contributed by Wasabi Systems, 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 "defs.h"
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#include "gdbcore.h"
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#include "regcache.h"
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#include "target.h"
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#include "breakpoint.h"
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#include "value.h"
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#include "ppc-tdep.h"
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#include "ppcnbsd-tdep.h"
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#include "nbsd-tdep.h"
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#include "solib-svr4.h"
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#define REG_FIXREG_OFFSET(x) ((x) * 4)
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#define REG_LR_OFFSET (32 * 4)
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#define REG_CR_OFFSET (33 * 4)
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#define REG_XER_OFFSET (34 * 4)
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#define REG_CTR_OFFSET (35 * 4)
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#define REG_PC_OFFSET (36 * 4)
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#define SIZEOF_STRUCT_REG (37 * 4)
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#define FPREG_FPR_OFFSET(x) ((x) * 8)
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#define FPREG_FPSCR_OFFSET (32 * 8)
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#define SIZEOF_STRUCT_FPREG (33 * 8)
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void
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ppcnbsd_supply_reg (char *regs, int regno)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
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int i;
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for (i = 0; i <= 31; i++)
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{
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if (regno == i || regno == -1)
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supply_register (i, regs + REG_FIXREG_OFFSET (i));
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}
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if (regno == tdep->ppc_lr_regnum || regno == -1)
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supply_register (tdep->ppc_lr_regnum, regs + REG_LR_OFFSET);
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if (regno == tdep->ppc_cr_regnum || regno == -1)
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supply_register (tdep->ppc_cr_regnum, regs + REG_CR_OFFSET);
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if (regno == tdep->ppc_xer_regnum || regno == -1)
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supply_register (tdep->ppc_xer_regnum, regs + REG_XER_OFFSET);
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if (regno == tdep->ppc_ctr_regnum || regno == -1)
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supply_register (tdep->ppc_ctr_regnum, regs + REG_CTR_OFFSET);
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if (regno == PC_REGNUM || regno == -1)
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supply_register (PC_REGNUM, regs + REG_PC_OFFSET);
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}
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void
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ppcnbsd_fill_reg (char *regs, int regno)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
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int i;
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for (i = 0; i <= 31; i++)
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{
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if (regno == i || regno == -1)
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regcache_collect (i, regs + REG_FIXREG_OFFSET (i));
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}
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if (regno == tdep->ppc_lr_regnum || regno == -1)
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regcache_collect (tdep->ppc_lr_regnum, regs + REG_LR_OFFSET);
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if (regno == tdep->ppc_cr_regnum || regno == -1)
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regcache_collect (tdep->ppc_cr_regnum, regs + REG_CR_OFFSET);
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if (regno == tdep->ppc_xer_regnum || regno == -1)
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regcache_collect (tdep->ppc_xer_regnum, regs + REG_XER_OFFSET);
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if (regno == tdep->ppc_ctr_regnum || regno == -1)
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regcache_collect (tdep->ppc_ctr_regnum, regs + REG_CTR_OFFSET);
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if (regno == PC_REGNUM || regno == -1)
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regcache_collect (PC_REGNUM, regs + REG_PC_OFFSET);
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}
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void
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ppcnbsd_supply_fpreg (char *fpregs, int regno)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
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int i;
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||||
for (i = FP0_REGNUM; i <= FP0_REGNUM + 31; i++)
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{
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if (regno == i || regno == -1)
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supply_register (i, fpregs + FPREG_FPR_OFFSET (i - FP0_REGNUM));
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}
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if (regno == tdep->ppc_fpscr_regnum || regno == -1)
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supply_register (tdep->ppc_fpscr_regnum, fpregs + FPREG_FPSCR_OFFSET);
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}
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void
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ppcnbsd_fill_fpreg (char *fpregs, int regno)
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||||
{
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struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
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int i;
|
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|
||||
for (i = FP0_REGNUM; i <= FP0_REGNUM + 31; i++)
|
||||
{
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if (regno == i || regno == -1)
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regcache_collect (i, fpregs + FPREG_FPR_OFFSET (i - FP0_REGNUM));
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}
|
||||
|
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if (regno == tdep->ppc_fpscr_regnum || regno == -1)
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||||
regcache_collect (tdep->ppc_fpscr_regnum, fpregs + FPREG_FPSCR_OFFSET);
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||||
}
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||||
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||||
static void
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fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which,
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CORE_ADDR ignore)
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||||
{
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char *regs, *fpregs;
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/* We get everything from one section. */
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if (which != 0)
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return;
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||||
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regs = core_reg_sect;
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fpregs = core_reg_sect + SIZEOF_STRUCT_REG;
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/* Integer registers. */
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ppcnbsd_supply_reg (regs, -1);
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/* Floating point registers. */
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||||
ppcnbsd_supply_fpreg (fpregs, -1);
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}
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static void
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fetch_elfcore_registers (char *core_reg_sect, unsigned core_reg_size, int which,
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CORE_ADDR ignore)
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{
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switch (which)
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{
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||||
case 0: /* Integer registers. */
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||||
if (core_reg_size != SIZEOF_STRUCT_REG)
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warning ("Wrong size register set in core file.");
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else
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ppcnbsd_supply_reg (core_reg_sect, -1);
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break;
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||||
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||||
case 2: /* Floating point registers. */
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if (core_reg_size != SIZEOF_STRUCT_FPREG)
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warning ("Wrong size FP register set in core file.");
|
||||
else
|
||||
ppcnbsd_supply_fpreg (core_reg_sect, -1);
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||||
break;
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||||
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||||
default:
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||||
/* Don't know what kind of register request this is; just ignore it. */
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||||
break;
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||||
}
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||||
}
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||||
|
||||
static struct core_fns ppcnbsd_core_fns =
|
||||
{
|
||||
bfd_target_unknown_flavour, /* core_flavour */
|
||||
default_check_format, /* check_format */
|
||||
default_core_sniffer, /* core_sniffer */
|
||||
fetch_core_registers, /* core_read_registers */
|
||||
NULL /* next */
|
||||
};
|
||||
|
||||
static struct core_fns ppcnbsd_elfcore_fns =
|
||||
{
|
||||
bfd_target_elf_flavour, /* core_flavour */
|
||||
default_check_format, /* check_format */
|
||||
default_core_sniffer, /* core_sniffer */
|
||||
fetch_elfcore_registers, /* core_read_registers */
|
||||
NULL /* next */
|
||||
};
|
||||
|
||||
static void
|
||||
ppcnbsd_init_abi (struct gdbarch_info info,
|
||||
struct gdbarch *gdbarch)
|
||||
{
|
||||
/* Until November 2001, gcc was not complying to the SYSV ABI for
|
||||
returning structures less than or equal to 8 bytes in size. It was
|
||||
returning everything in memory. When this was corrected, it wasn't
|
||||
fixed for native platforms. */
|
||||
set_gdbarch_use_struct_convention (gdbarch,
|
||||
ppc_sysv_abi_broken_use_struct_convention);
|
||||
|
||||
set_solib_svr4_fetch_link_map_offsets (gdbarch,
|
||||
nbsd_ilp32_solib_svr4_fetch_link_map_offsets);
|
||||
}
|
||||
|
||||
void
|
||||
_initialize_ppcnbsd_tdep (void)
|
||||
{
|
||||
gdbarch_register_osabi (bfd_arch_powerpc, GDB_OSABI_NETBSD_ELF,
|
||||
ppcnbsd_init_abi);
|
||||
|
||||
add_core_fns (&ppcnbsd_core_fns);
|
||||
add_core_fns (&ppcnbsd_elfcore_fns);
|
||||
}
|
||||
30
gdb/ppcnbsd-tdep.h
Normal file
30
gdb/ppcnbsd-tdep.h
Normal file
@ -0,0 +1,30 @@
|
||||
/* Common target dependent code for GDB on PowerPC systems running NetBSD.
|
||||
Copyright 2002 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. */
|
||||
|
||||
#ifndef PPCNBSD_TDEP_H
|
||||
#define PPCNBSD_TDEP_H
|
||||
|
||||
void ppcnbsd_supply_reg (char *, int);
|
||||
void ppcnbsd_fill_reg (char *, int);
|
||||
|
||||
void ppcnbsd_supply_fpreg (char *, int);
|
||||
void ppcnbsd_fill_fpreg (char *, int);
|
||||
|
||||
#endif /* PPCNBSD_TDEP_H */
|
||||
Loading…
Reference in New Issue
Block a user