Sperate out the MD parts of kvm-fbsd to get rid of the #ifdef maze.
Also quiet some warnings by tweaking the included headers.
This commit is contained in:
obrien
parent
6ce46a0816
commit
c687f04e34
@ -45,7 +45,7 @@ XSRCS= annotate.c arch-utils.c ax-general.c ax-gdb.c bcache.c \
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scm-exp.c scm-lang.c scm-valprint.c \
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coffread.c dbxread.c dwarfread.c dwarf2read.c elfread.c \
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solib.c solib-svr4.c solib-legacy.c
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XSRCS+= freebsd-uthread.c kvm-fbsd.c solib-fbsd-kld.c
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XSRCS+= freebsd-uthread.c kvm-fbsd.c kvm-fbsd-machine.h solib-fbsd-kld.c
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SRCS= init.c ${XSRCS} nm.h tm.h xm.h gdbversion.c xregex.h
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.include "${.CURDIR}/Makefile.${TARGET_ARCH}"
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@ -73,7 +73,7 @@ LDADD+= -lgnuregex
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LDADD+= ${RELTOP}/libiberty/libiberty.a
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LDADD+= -lreadline -ltermcap
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CLEANFILES= init.c init.c-tmp nm.h tm.h xm.h gdbversion.c xregex.h
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CLEANFILES= init.c init.c-tmp nm.h tm.h xm.h gdbversion.c xregex.h kvm-fbsd-machine.h
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# We do this by grepping through sources. If that turns out to be too slow,
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# maybe we could just require every .o file to have an initialization routine
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@ -127,6 +127,9 @@ ${H:C/-.*$//}.h:
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ln -sf ${GDBDIR}/gdb/config/${GDB_CPU}/${H}.h ${.TARGET}
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.endfor
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kvm-fbsd-machine.h:
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ln -sf ${.CURDIR}/kvm-fbsd-${TARGET_ARCH}.h ${.TARGET}
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GDB_VERSION= "5.2.1 (FreeBSD)"
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gdbversion.c: Makefile
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@echo '#include "version.h"' > ${.TARGET}
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77
gnu/usr.bin/binutils/gdb/kvm-fbsd-alpha.h
Normal file
77
gnu/usr.bin/binutils/gdb/kvm-fbsd-alpha.h
Normal file
@ -0,0 +1,77 @@
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/* Kernel core dump functions below target vector, for GDB on FreeBSD/Alpha.
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Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995
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Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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__FBSDID("$FreeBSD$");
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#include "alpha/tm-alpha.h"
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#ifndef S0_REGNUM
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#define S0_REGNUM (T7_REGNUM+1)
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#endif
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static void
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fetch_kcore_registers (struct pcb *pcbp)
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{
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/* First clear out any garbage. */
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memset (registers, '\0', REGISTER_BYTES);
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/* SP */
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*(long *) ®isters[REGISTER_BYTE (SP_REGNUM)] =
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pcbp->pcb_hw.apcb_ksp;
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/* S0 through S6 */
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memcpy (®isters[REGISTER_BYTE (S0_REGNUM)],
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&pcbp->pcb_context[0], 7 * sizeof (long));
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/* PC */
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*(long *) ®isters[REGISTER_BYTE (PC_REGNUM)] =
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pcbp->pcb_context[7];
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registers_fetched ();
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}
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CORE_ADDR
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fbsd_kern_frame_saved_pc (struct frame_info *fi)
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{
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struct minimal_symbol *sym;
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CORE_ADDR this_saved_pc;
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this_saved_pc = alpha_frame_saved_pc (fi);
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sym = lookup_minimal_symbol_by_pc (this_saved_pc);
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if (sym != NULL &&
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(strcmp (SYMBOL_NAME (sym), "XentArith") == 0 ||
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strcmp (SYMBOL_NAME (sym), "XentIF") == 0 ||
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strcmp (SYMBOL_NAME (sym), "XentInt") == 0 ||
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strcmp (SYMBOL_NAME (sym), "XentMM") == 0 ||
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strcmp (SYMBOL_NAME (sym), "XentSys") == 0 ||
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strcmp (SYMBOL_NAME (sym), "XentUna") == 0 ||
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strcmp (SYMBOL_NAME (sym), "XentRestart") == 0))
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{
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return (read_memory_integer (fi->frame + 32 * 8, 8));
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}
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else
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{
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return (this_saved_pc);
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}
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}
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131
gnu/usr.bin/binutils/gdb/kvm-fbsd-i386.h
Normal file
131
gnu/usr.bin/binutils/gdb/kvm-fbsd-i386.h
Normal file
@ -0,0 +1,131 @@
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/* Kernel core dump functions below target vector, for GDB on FreeBSD/i386.
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Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995
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Free Software Foundation, 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, Boston, MA 02111-1307, USA.
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*/
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__FBSDID("$FreeBSD$");
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#include <machine/frame.h>
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static CORE_ADDR
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ksym_maxuseraddr (void)
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{
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static CORE_ADDR maxuseraddr;
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struct minimal_symbol *sym;
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if (maxuseraddr == 0)
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{
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sym = lookup_minimal_symbol ("PTmap", NULL, NULL);
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if (sym == NULL) {
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maxuseraddr = VM_MAXUSER_ADDRESS;
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} else {
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maxuseraddr = SYMBOL_VALUE_ADDRESS (sym);
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}
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}
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return maxuseraddr;
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}
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/* Symbol names of kernel entry points. Use special frames. */
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#define KSYM_TRAP "calltrap"
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#define KSYM_INTR "Xintr"
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#define KSYM_FASTINTR "Xfastintr"
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#define KSYM_OLDSYSCALL "Xlcall_syscall"
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#define KSYM_SYSCALL "Xint0x80_syscall"
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/* The following is FreeBSD-specific hackery to decode special frames
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and elide the assembly-language stub. This could be made faster by
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defining a frame_type field in the machine-dependent frame information,
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but we don't think that's too important right now. */
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enum frametype { tf_normal, tf_trap, tf_interrupt, tf_syscall };
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CORE_ADDR
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fbsd_kern_frame_saved_pc (struct frame_info *fi)
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{
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struct minimal_symbol *sym;
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CORE_ADDR this_saved_pc;
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enum frametype frametype;
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this_saved_pc = read_memory_integer (fi->frame + 4, 4);
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sym = lookup_minimal_symbol_by_pc (this_saved_pc);
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frametype = tf_normal;
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if (sym != NULL)
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{
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if (strcmp (SYMBOL_NAME (sym), KSYM_TRAP) == 0)
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frametype = tf_trap;
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else
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if (strncmp (SYMBOL_NAME (sym), KSYM_INTR,
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strlen (KSYM_INTR)) == 0 || strncmp (SYMBOL_NAME(sym),
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KSYM_FASTINTR, strlen (KSYM_FASTINTR)) == 0)
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frametype = tf_interrupt;
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else
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if (strcmp (SYMBOL_NAME (sym), KSYM_SYSCALL) == 0 ||
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strcmp (SYMBOL_NAME (sym), KSYM_OLDSYSCALL) == 0)
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frametype = tf_syscall;
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}
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switch (frametype)
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{
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case tf_normal:
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return (this_saved_pc);
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#define oEIP offsetof (struct trapframe, tf_eip)
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case tf_trap:
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return (read_memory_integer (fi->frame + 8 + oEIP, 4));
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case tf_interrupt:
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return (read_memory_integer (fi->frame + 12 + oEIP, 4));
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case tf_syscall:
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return (read_memory_integer (fi->frame + 8 + oEIP, 4));
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#undef oEIP
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}
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}
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static void
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fetch_kcore_registers (struct pcb *pcb)
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{
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int i;
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int noreg;
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/* Get the register values out of the sys pcb and store them where
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`read_register' will find them. */
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/*
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* XXX many registers aren't available.
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* XXX for the non-core case, the registers are stale - they are for
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* the last context switch to the debugger.
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* XXX gcc's register numbers aren't all #defined in tm-i386.h.
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*/
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noreg = 0;
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for (i = 0; i < 3; ++i) /* eax,ecx,edx */
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supply_register (i, (char *)&noreg);
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supply_register (3, (char *) &pcb->pcb_ebx);
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supply_register (SP_REGNUM, (char *) &pcb->pcb_esp);
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supply_register (FP_REGNUM, (char *) &pcb->pcb_ebp);
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supply_register (6, (char *) &pcb->pcb_esi);
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supply_register (7, (char *) &pcb->pcb_edi);
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supply_register (PC_REGNUM, (char *) &pcb->pcb_eip);
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for (i = 9; i < 14; ++i) /* eflags, cs, ss, ds, es, fs */
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supply_register (i, (char *) &noreg);
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supply_register (15, (char *) &pcb->pcb_gs);
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/* XXX 80387 registers? */
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}
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96
gnu/usr.bin/binutils/gdb/kvm-fbsd-sparc64.h
Normal file
96
gnu/usr.bin/binutils/gdb/kvm-fbsd-sparc64.h
Normal file
@ -0,0 +1,96 @@
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/* Kernel core dump functions below target vector, for GDB on FreeBSD/sparc64.
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Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995
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Free Software Foundation, 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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||||
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||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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__FBSDID("$FreeBSD$");
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#define SPARC_INTREG_SIZE 8
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static void
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fetch_kcore_registers (struct pcb *pcbp)
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{
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static struct frame top;
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CORE_ADDR f_addr;
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int i;
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/* Get the register values out of the sys pcb and store them where
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`read_register' will find them. */
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/*
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* XXX many registers aren't available.
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* XXX for the non-core case, the registers are stale - they are for
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* the last context switch to the debugger.
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* XXX do something with the floating-point registers?
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*/
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supply_register (SP_REGNUM, (char *)&pcbp->pcb_ufp);
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supply_register (PC_REGNUM, (char *)&pcbp->pcb_pc);
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f_addr = extract_address (&pcbp->pcb_ufp, SPARC_INTREG_SIZE);
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/* Load the previous frame by hand (XXX) and supply it. */
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read_memory (f_addr + SPOFF, (char *)&top, sizeof (top));
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for (i = 0; i < 8; i++)
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supply_register (i + L0_REGNUM, (char *)&top.fr_local[i]);
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for (i = 0; i < 8; i++)
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supply_register (i + I0_REGNUM, (char *)&top.fr_in[i]);
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}
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CORE_ADDR
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fbsd_kern_frame_saved_pc (struct frame_info *fi)
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{
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struct minimal_symbol *sym;
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CORE_ADDR frame, pc_addr, pc;
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char *buf;
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buf = alloca (MAX_REGISTER_RAW_SIZE);
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/* XXX: duplicates fi->extra_info->bottom. */
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frame = (fi->next != NULL) ? fi->next->frame : read_sp ();
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pc_addr = frame + offsetof (struct frame, fr_in[7]);
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#define READ_PC(pc, a, b) do { \
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read_memory (a, b, SPARC_INTREG_SIZE); \
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pc = extract_address (b, SPARC_INTREG_SIZE); \
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} while (0)
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READ_PC (pc, pc_addr, buf);
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||||
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sym = lookup_minimal_symbol_by_pc (pc);
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if (sym != NULL)
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{
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if (strncmp (SYMBOL_NAME (sym), "tl0_", 4) == 0 ||
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strcmp (SYMBOL_NAME (sym), "btext") == 0 ||
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strcmp (SYMBOL_NAME (sym), "mp_startup") == 0 ||
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||||
strcmp (SYMBOL_NAME (sym), "fork_trampoline") == 0)
|
||||
{
|
||||
/*
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||||
* Ugly kluge: user space addresses aren't separated from kernel
|
||||
* ones by range; if encountering a trap from user space, just
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* return a 0 to stop the trace.
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||||
* Do the same for entry points of kernel processes to avoid
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* printing garbage.
|
||||
*/
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pc = 0;
|
||||
}
|
||||
if (strncmp (SYMBOL_NAME (sym), "tl1_", 4) == 0)
|
||||
{
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||||
pc_addr = fi->frame + sizeof (struct frame) +
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offsetof (struct trapframe, tf_tpc);
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READ_PC (pc, pc_addr, buf);
|
||||
}
|
||||
}
|
||||
return (pc);
|
||||
}
|
||||
@ -19,7 +19,8 @@ along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
/* $FreeBSD$ */
|
||||
#include <sys/cdefs.h>
|
||||
__FBSDID("$FreeBSD$");
|
||||
|
||||
/*
|
||||
* This works like "remote" but, you use it like this:
|
||||
@ -33,31 +34,27 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/time.h>
|
||||
#include <sys/proc.h>
|
||||
#include <sys/user.h>
|
||||
#include <errno.h>
|
||||
#include <signal.h>
|
||||
#include <ctype.h>
|
||||
#include <fcntl.h>
|
||||
#include <kvm.h>
|
||||
#include <sys/sysctl.h>
|
||||
#include <paths.h>
|
||||
#include <readline/tilde.h>
|
||||
#include <machine/frame.h>
|
||||
|
||||
#include "defs.h"
|
||||
#include <readline/tilde.h>
|
||||
#include "gdb_string.h"
|
||||
#include "frame.h" /* required by inferior.h */
|
||||
#include "inferior.h"
|
||||
#include "symtab.h"
|
||||
#include "symfile.h"
|
||||
#include "objfiles.h"
|
||||
#include "command.h"
|
||||
#include "bfd.h"
|
||||
#include "target.h"
|
||||
#include "gdbcore.h"
|
||||
#include "solist.h"
|
||||
|
||||
#include "kvm-fbsd-machine.h"
|
||||
|
||||
static void
|
||||
kcore_files_info (struct target_ops *);
|
||||
|
||||
@ -67,10 +64,6 @@ kcore_close (int);
|
||||
static void
|
||||
get_kcore_registers (int);
|
||||
|
||||
static int
|
||||
xfer_mem (CORE_ADDR, char *, int, int, struct mem_attrib *,
|
||||
struct target_ops *);
|
||||
|
||||
static int
|
||||
xfer_umem (CORE_ADDR, char *, int, int);
|
||||
|
||||
@ -116,7 +109,7 @@ ksym_kernbase (void)
|
||||
#define KERNOFF (ksym_kernbase ())
|
||||
#define INKERNEL(x) ((x) >= KERNOFF)
|
||||
|
||||
CORE_ADDR
|
||||
static CORE_ADDR
|
||||
ksym_lookup(const char *name)
|
||||
{
|
||||
struct minimal_symbol *sym;
|
||||
@ -190,8 +183,6 @@ initial_pcb (void)
|
||||
static int
|
||||
set_context (CORE_ADDR addr)
|
||||
{
|
||||
CORE_ADDR procaddr = 0;
|
||||
|
||||
if (kvread (addr, &cur_pcb))
|
||||
error ("cannot read pcb at %#x", addr);
|
||||
|
||||
@ -349,253 +340,6 @@ kcore_detach (char *args, int from_tty)
|
||||
printf_filtered ("No kernel core file now.\n");
|
||||
}
|
||||
|
||||
#ifdef __alpha__
|
||||
|
||||
#include "alpha/tm-alpha.h"
|
||||
#ifndef S0_REGNUM
|
||||
#define S0_REGNUM (T7_REGNUM+1)
|
||||
#endif
|
||||
|
||||
fetch_kcore_registers (struct pcb *pcbp)
|
||||
{
|
||||
|
||||
/* First clear out any garbage. */
|
||||
memset (registers, '\0', REGISTER_BYTES);
|
||||
|
||||
/* SP */
|
||||
*(long *) ®isters[REGISTER_BYTE (SP_REGNUM)] =
|
||||
pcbp->pcb_hw.apcb_ksp;
|
||||
|
||||
/* S0 through S6 */
|
||||
memcpy (®isters[REGISTER_BYTE (S0_REGNUM)],
|
||||
&pcbp->pcb_context[0], 7 * sizeof (long));
|
||||
|
||||
/* PC */
|
||||
*(long *) ®isters[REGISTER_BYTE (PC_REGNUM)] =
|
||||
pcbp->pcb_context[7];
|
||||
|
||||
registers_fetched ();
|
||||
}
|
||||
|
||||
|
||||
CORE_ADDR
|
||||
fbsd_kern_frame_saved_pc (struct frame_info *fi)
|
||||
{
|
||||
struct minimal_symbol *sym;
|
||||
CORE_ADDR this_saved_pc;
|
||||
|
||||
this_saved_pc = alpha_frame_saved_pc (fi);
|
||||
|
||||
sym = lookup_minimal_symbol_by_pc (this_saved_pc);
|
||||
|
||||
if (sym != NULL &&
|
||||
(strcmp (SYMBOL_NAME (sym), "XentArith") == 0 ||
|
||||
strcmp (SYMBOL_NAME (sym), "XentIF") == 0 ||
|
||||
strcmp (SYMBOL_NAME (sym), "XentInt") == 0 ||
|
||||
strcmp (SYMBOL_NAME (sym), "XentMM") == 0 ||
|
||||
strcmp (SYMBOL_NAME (sym), "XentSys") == 0 ||
|
||||
strcmp (SYMBOL_NAME (sym), "XentUna") == 0 ||
|
||||
strcmp (SYMBOL_NAME (sym), "XentRestart") == 0))
|
||||
{
|
||||
return (read_memory_integer (fi->frame + 32 * 8, 8));
|
||||
}
|
||||
else
|
||||
{
|
||||
return (this_saved_pc);
|
||||
}
|
||||
}
|
||||
|
||||
#endif /* __alpha__ */
|
||||
|
||||
#ifdef __i386__
|
||||
|
||||
static CORE_ADDR
|
||||
ksym_maxuseraddr (void)
|
||||
{
|
||||
static CORE_ADDR maxuseraddr;
|
||||
struct minimal_symbol *sym;
|
||||
|
||||
if (maxuseraddr == 0)
|
||||
{
|
||||
sym = lookup_minimal_symbol ("PTmap", NULL, NULL);
|
||||
if (sym == NULL) {
|
||||
maxuseraddr = VM_MAXUSER_ADDRESS;
|
||||
} else {
|
||||
maxuseraddr = SYMBOL_VALUE_ADDRESS (sym);
|
||||
}
|
||||
}
|
||||
return maxuseraddr;
|
||||
}
|
||||
|
||||
|
||||
/* Symbol names of kernel entry points. Use special frames. */
|
||||
#define KSYM_TRAP "calltrap"
|
||||
#define KSYM_INTR "Xintr"
|
||||
#define KSYM_FASTINTR "Xfastintr"
|
||||
#define KSYM_OLDSYSCALL "Xlcall_syscall"
|
||||
#define KSYM_SYSCALL "Xint0x80_syscall"
|
||||
|
||||
/* The following is FreeBSD-specific hackery to decode special frames
|
||||
and elide the assembly-language stub. This could be made faster by
|
||||
defining a frame_type field in the machine-dependent frame information,
|
||||
but we don't think that's too important right now. */
|
||||
enum frametype { tf_normal, tf_trap, tf_interrupt, tf_syscall };
|
||||
|
||||
CORE_ADDR
|
||||
fbsd_kern_frame_saved_pc (struct frame_info *fi)
|
||||
{
|
||||
struct minimal_symbol *sym;
|
||||
CORE_ADDR this_saved_pc;
|
||||
enum frametype frametype;
|
||||
|
||||
this_saved_pc = read_memory_integer (fi->frame + 4, 4);
|
||||
sym = lookup_minimal_symbol_by_pc (this_saved_pc);
|
||||
frametype = tf_normal;
|
||||
if (sym != NULL)
|
||||
{
|
||||
if (strcmp (SYMBOL_NAME (sym), KSYM_TRAP) == 0)
|
||||
frametype = tf_trap;
|
||||
else
|
||||
if (strncmp (SYMBOL_NAME (sym), KSYM_INTR,
|
||||
strlen (KSYM_INTR)) == 0 || strncmp (SYMBOL_NAME(sym),
|
||||
KSYM_FASTINTR, strlen (KSYM_FASTINTR)) == 0)
|
||||
frametype = tf_interrupt;
|
||||
else
|
||||
if (strcmp (SYMBOL_NAME (sym), KSYM_SYSCALL) == 0 ||
|
||||
strcmp (SYMBOL_NAME (sym), KSYM_OLDSYSCALL) == 0)
|
||||
frametype = tf_syscall;
|
||||
}
|
||||
|
||||
switch (frametype)
|
||||
{
|
||||
case tf_normal:
|
||||
return (this_saved_pc);
|
||||
#define oEIP offsetof (struct trapframe, tf_eip)
|
||||
|
||||
case tf_trap:
|
||||
return (read_memory_integer (fi->frame + 8 + oEIP, 4));
|
||||
|
||||
case tf_interrupt:
|
||||
return (read_memory_integer (fi->frame + 12 + oEIP, 4));
|
||||
|
||||
case tf_syscall:
|
||||
return (read_memory_integer (fi->frame + 8 + oEIP, 4));
|
||||
#undef oEIP
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
fetch_kcore_registers (struct pcb *pcb)
|
||||
{
|
||||
int i;
|
||||
int noreg;
|
||||
|
||||
/* Get the register values out of the sys pcb and store them where
|
||||
`read_register' will find them. */
|
||||
/*
|
||||
* XXX many registers aren't available.
|
||||
* XXX for the non-core case, the registers are stale - they are for
|
||||
* the last context switch to the debugger.
|
||||
* XXX gcc's register numbers aren't all #defined in tm-i386.h.
|
||||
*/
|
||||
noreg = 0;
|
||||
for (i = 0; i < 3; ++i) /* eax,ecx,edx */
|
||||
supply_register (i, (char *)&noreg);
|
||||
|
||||
supply_register (3, (char *) &pcb->pcb_ebx);
|
||||
supply_register (SP_REGNUM, (char *) &pcb->pcb_esp);
|
||||
supply_register (FP_REGNUM, (char *) &pcb->pcb_ebp);
|
||||
supply_register (6, (char *) &pcb->pcb_esi);
|
||||
supply_register (7, (char *) &pcb->pcb_edi);
|
||||
supply_register (PC_REGNUM, (char *) &pcb->pcb_eip);
|
||||
|
||||
for (i = 9; i < 14; ++i) /* eflags, cs, ss, ds, es, fs */
|
||||
supply_register (i, (char *) &noreg);
|
||||
supply_register (15, (char *) &pcb->pcb_gs);
|
||||
|
||||
/* XXX 80387 registers? */
|
||||
}
|
||||
|
||||
#endif /* __i386__ */
|
||||
|
||||
#ifdef __sparc64__
|
||||
|
||||
#define SPARC_INTREG_SIZE 8
|
||||
|
||||
static void
|
||||
fetch_kcore_registers (struct pcb *pcbp)
|
||||
{
|
||||
static struct frame top;
|
||||
CORE_ADDR f_addr;
|
||||
int i;
|
||||
|
||||
/* Get the register values out of the sys pcb and store them where
|
||||
`read_register' will find them. */
|
||||
/*
|
||||
* XXX many registers aren't available.
|
||||
* XXX for the non-core case, the registers are stale - they are for
|
||||
* the last context switch to the debugger.
|
||||
* XXX do something with the floating-point registers?
|
||||
*/
|
||||
supply_register (SP_REGNUM, (char *)&pcbp->pcb_ufp);
|
||||
supply_register (PC_REGNUM, (char *)&pcbp->pcb_pc);
|
||||
f_addr = extract_address (&pcbp->pcb_ufp, SPARC_INTREG_SIZE);
|
||||
/* Load the previous frame by hand (XXX) and supply it. */
|
||||
read_memory (f_addr + SPOFF, (char *)&top, sizeof (top));
|
||||
for (i = 0; i < 8; i++)
|
||||
supply_register (i + L0_REGNUM, (char *)&top.fr_local[i]);
|
||||
for (i = 0; i < 8; i++)
|
||||
supply_register (i + I0_REGNUM, (char *)&top.fr_in[i]);
|
||||
}
|
||||
|
||||
CORE_ADDR
|
||||
fbsd_kern_frame_saved_pc (struct frame_info *fi)
|
||||
{
|
||||
struct minimal_symbol *sym;
|
||||
CORE_ADDR frame, pc_addr, pc;
|
||||
char *buf;
|
||||
|
||||
buf = alloca (MAX_REGISTER_RAW_SIZE);
|
||||
/* XXX: duplicates fi->extra_info->bottom. */
|
||||
frame = (fi->next != NULL) ? fi->next->frame : read_sp ();
|
||||
pc_addr = frame + offsetof (struct frame, fr_in[7]);
|
||||
|
||||
#define READ_PC(pc, a, b) do { \
|
||||
read_memory (a, b, SPARC_INTREG_SIZE); \
|
||||
pc = extract_address (b, SPARC_INTREG_SIZE); \
|
||||
} while (0)
|
||||
|
||||
READ_PC (pc, pc_addr, buf);
|
||||
|
||||
sym = lookup_minimal_symbol_by_pc (pc);
|
||||
if (sym != NULL)
|
||||
{
|
||||
if (strncmp (SYMBOL_NAME (sym), "tl0_", 4) == 0 ||
|
||||
strcmp (SYMBOL_NAME (sym), "btext") == 0 ||
|
||||
strcmp (SYMBOL_NAME (sym), "mp_startup") == 0 ||
|
||||
strcmp (SYMBOL_NAME (sym), "fork_trampoline") == 0)
|
||||
{
|
||||
/*
|
||||
* Ugly kluge: user space addresses aren't separated from kernel
|
||||
* ones by range; if encountering a trap from user space, just
|
||||
* return a 0 to stop the trace.
|
||||
* Do the same for entry points of kernel processes to avoid
|
||||
* printing garbage.
|
||||
*/
|
||||
pc = 0;
|
||||
}
|
||||
if (strncmp (SYMBOL_NAME (sym), "tl1_", 4) == 0)
|
||||
{
|
||||
pc_addr = fi->frame + sizeof (struct frame) +
|
||||
offsetof (struct trapframe, tf_tpc);
|
||||
READ_PC (pc, pc_addr, buf);
|
||||
}
|
||||
}
|
||||
return (pc);
|
||||
}
|
||||
|
||||
#endif /* __sparc64__ */
|
||||
|
||||
/* Get the registers out of a core file. This is the machine-
|
||||
independent part. Fetch_core_registers is the machine-dependent
|
||||
part, typically implemented in the xm-file for each architecture. */
|
||||
@ -623,15 +367,6 @@ kcore_files_info (t)
|
||||
printf_filtered ("\t`%s'\n", core_file);
|
||||
}
|
||||
|
||||
/* If mourn is being called in all the right places, this could be say
|
||||
`gdb internal error' (since generic_mourn calls breakpoint_init_inferior). */
|
||||
|
||||
static int
|
||||
ignore (CORE_ADDR addr, char *contents)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
xfer_kmem (CORE_ADDR memaddr, char *myaddr, int len, int write,
|
||||
struct mem_attrib *attrib, struct target_ops *target)
|
||||
@ -651,7 +386,7 @@ xfer_kmem (CORE_ADDR memaddr, char *myaddr, int len, int write,
|
||||
n = kvm_read (core_kd, memaddr, myaddr, len) ;
|
||||
if (n < 0) {
|
||||
fprintf_unfiltered (gdb_stderr, "can not access 0x%x, %s\n",
|
||||
memaddr, kvm_geterr (core_kd));
|
||||
(unsigned)memaddr, kvm_geterr (core_kd));
|
||||
n = 0;
|
||||
}
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user