aboutsummaryrefslogtreecommitdiff
path: root/gdb/core-aout.c
diff options
context:
space:
mode:
authorFred Fish <fnf@specifix.com>1996-01-11 20:08:15 +0000
committerFred Fish <fnf@specifix.com>1996-01-11 20:08:15 +0000
commita1df8e780c755671cb0c77272a1cc91155974183 (patch)
tree02f4a5691cff82531c79b209c586f62e4771d7d8 /gdb/core-aout.c
parente4ee6fb776172af7f902acda147814dad7cf8bf0 (diff)
downloadfsf-binutils-gdb-a1df8e780c755671cb0c77272a1cc91155974183.zip
fsf-binutils-gdb-a1df8e780c755671cb0c77272a1cc91155974183.tar.gz
fsf-binutils-gdb-a1df8e780c755671cb0c77272a1cc91155974183.tar.bz2
* coredep.c: Renamed to core-aout.c
* core-svr4.c: Renamed to core-regset.c * Makefile.in (ALLDEPFILES): Account for renamings. * corelow.c (core_file_fns): Add, points to chain of structs. (add_core_fns): New function to build chain of structs. (get_core_registers): Modify to search core functions chain and call appropriate fetch_core_registers function based on core file flavour. * gdbcore.h (fetch_core_registers): Remove declaration. (struct core_fns): Define struct for core function info. * i386m3-nat.c: Update comment for filename change (coredep->core-aout) * a68v-nat.c (fetch_core_registers): Remove stub, not needed now. * alpha-nat.c (fetch_core_registers): Make static. (alpha_core_fns, _initialize_core_alpha): New struct and func. * core-aout.c (fetch_core_registers): Make static (aout_core_fns, _initialize_core_aout): New struct and func. * core-regset.c (fetch_core_registers): Make static. (regset_core_fns, _initialize_core_regset): New struct and func. * core-sol2.c (fetch_core_registers): Make static. (solaris_core_fns, _initialize_core_solaris): New struct and func. * hp300ux-nat.c (fetch_core_registers): Make static. (hp300ux_core_fns, _initialize_core_hp300ux): New struct and func. * i386aix-nat.c (fetch_core_registers): Make static. (i386aix_core_fns, _initialize_core_i386aix): New struct and func. * i386mach-nat.c (fetch_core_registers: Make static. (i386mach_core_fns, _initialize_core_i386mach): New struct and func. * irix4-nat.c (fetch_core_registers): Make static. (irix4_core_fns, _initialize_core_irix4): New struct and func. * irix5-nat.c (fetch_core_registers): (irix5_core_fns, _initialize_core_irix5): New struct and func. * lynx-nat.c (fetch_core_registers): Make static. (lynx_core_fns, _initialize_core_lynx): New struct and func. * mips-nat.c (fetch_core_registers): Make static. (mips_core_fns, _initialize_core_mips): New struct and func. * ns32km3-nat.c (fetch_core_registers): Remove stub. * rs6000-nat.c (fetch_core_registers): Make static. (rs6000_core_fns, _initialize_core_rs6000): New struct and func. * sparc-nat.c (fetch_core_registers): Make static. (sparc_core_fns, _initialize_core_sparc): New struct and func. * sun3-nat.c (fetch_core_registers): (sun3_core_fns, _initialize_core_sun3): New struct and func. * sun386-nat.c (fetch_core_registers): Remove stub. * ultra3-nat.c (fetch_core_registers): Make static. (ultra3_core_fns, _initialize_core_ultra3): New struct and func. * config/gould/pn.mh (XDEPFILES), config/i386/fbsd.mh (NATDEPFILES), config/i386/i386bsd.mh (NATDEPFILES), config/i386/i386m3.mh (XDEPFILES), config/i386/i386sco.mh (NATDEPFILES), config/i386/i386sco4.mh (NATDEPFILES), config/i386/i386v.mh (NATDEPFILES), config/i386/i386v32.mh (NATDEPFILES), config/i386/nbsd.mh (NATDEPFILES), config/i386/ptx.mh (XDEPFILES), config/i386/ptx4.mh (XDEPFILES), config/i386/symmetry.mh (NATDEPFILES), config/m68k/3b1.mh (XDEPFILES), config/m68k/cisco.mt (TDEPFILES), config/m68k/delta68.mh (NATDEPFILES), config/m68k/dpx2.mh (NATDEPFILES), config/m68k/hp300bsd.mh (NATDEPFILES), config/m68k/hp300hpux.mh (NATDEPFILES), config/m68k/isi.mh (XDEPFILES), config/m68k/news.mh (NATDEPFILES), config/m68k/news1000.mh (XDEPFILES), config/m88k/cxux.mh (NATDEPFILES), config/m88k/delta88.mh (NATDEPFILES), config/mips/littlemips.mh (XDEPFILES), config/mips/mipsm3.mh (XDEPFILES), config/ns32k/merlin.mh (XDEPFILES), config/ns32k/nbsd.mh (NATDEPFILES), config/ns32k/ns32km3.mh (NATDEPFILES), config/pa/hppabsd.mh (NATDEPFILES), config/pa/hppahpux.mh (NATDEPFILES), config/romp/rtbsd.mh (XDEPFILES), config/tahoe/tahoe.mh (XDEPFILES), config/vax/vaxbsd.mh (XDEPFILES), config/vax/vaxult.mh (NATDEPFILES), config/vax/vaxult2.mh (NATDEPFILES), Account for coredep.o to core-aout.o name change. * config/i386/i386dgux (NATDEPFILES), config/i386/i386sol2.mh (NATDEPFILES), config/i386/i386v4.mh (NATDEPFILES), config/i386/linux.mh (NATDEPFILES), config/i386/ncr3000.mh (NATDEPFILES), config/m68k/m68kv4.mh (NATDEPFILES), config/m88k/delta88v4.mh (NATDEPFILES), config/mips/mipsv4.mh (NATDEPFILES), Account for core-svr4.o to core-regset.o name change.
Diffstat (limited to 'gdb/core-aout.c')
-rw-r--r--gdb/core-aout.c143
1 files changed, 143 insertions, 0 deletions
diff --git a/gdb/core-aout.c b/gdb/core-aout.c
new file mode 100644
index 0000000..32eef96
--- /dev/null
+++ b/gdb/core-aout.c
@@ -0,0 +1,143 @@
+/* Extract registers from a "standard" core file, for GDB.
+ Copyright (C) 1988-1995 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. */
+
+/* Typically used on systems that have a.out format executables.
+ corefile.c is supposed to contain the more machine-independent
+ aspects of reading registers from core files, while this file is
+ more machine specific. */
+
+#include "defs.h"
+#include <sys/types.h>
+#include <sys/param.h>
+#include "gdbcore.h"
+#include "value.h" /* For supply_register. */
+#include "inferior.h" /* For ARCH_NUM_REGS. */
+
+/* These are needed on various systems to expand REGISTER_U_ADDR. */
+#ifndef USG
+#include <sys/dir.h>
+#include <sys/file.h>
+#include "gdb_stat.h"
+#include <sys/user.h>
+#ifndef NO_PTRACE_H
+# ifdef PTRACE_IN_WRONG_PLACE
+# include <ptrace.h>
+# else /* !PTRACE_IN_WRONG_PLACE */
+# include <sys/ptrace.h>
+# endif /* !PTRACE_IN_WRONG_PLACE */
+#endif /* NO_PTRACE_H */
+#endif
+
+#ifndef CORE_REGISTER_ADDR
+#define CORE_REGISTER_ADDR(regno, regptr) register_addr(regno, regptr)
+#endif /* CORE_REGISTER_ADDR */
+
+#ifdef NEED_SYS_CORE_H
+#include <sys/core.h>
+#endif
+
+/* Extract the register values out of the core file and store
+ them where `read_register' will find them.
+
+ CORE_REG_SECT points to the register values themselves, read into memory.
+ CORE_REG_SIZE is the size of that area.
+ WHICH says which set of registers we are handling (0 = int, 2 = float
+ on machines where they are discontiguous).
+ REG_ADDR is the offset from u.u_ar0 to the register values relative to
+ core_reg_sect. This is used with old-fashioned core files to
+ locate the registers in a large upage-plus-stack ".reg" section.
+ Original upage address X is at location core_reg_sect+x+reg_addr.
+ */
+
+static void
+fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
+ char *core_reg_sect;
+ unsigned core_reg_size;
+ int which;
+ unsigned reg_addr;
+{
+ register int regno;
+ register unsigned int addr;
+ int bad_reg = -1;
+ register reg_ptr = -reg_addr; /* Original u.u_ar0 is -reg_addr. */
+ int numregs = ARCH_NUM_REGS;
+
+ /* If u.u_ar0 was an absolute address in the core file, relativize it now,
+ so we can use it as an offset into core_reg_sect. When we're done,
+ "register 0" will be at core_reg_sect+reg_ptr, and we can use
+ CORE_REGISTER_ADDR to offset to the other registers. If this is a modern
+ core file without a upage, reg_ptr will be zero and this is all a big
+ NOP. */
+ if (reg_ptr > core_reg_size)
+ reg_ptr -= KERNEL_U_ADDR;
+
+ for (regno = 0; regno < numregs; regno++)
+ {
+ addr = CORE_REGISTER_ADDR (regno, reg_ptr);
+ if (addr >= core_reg_size) {
+ if (bad_reg < 0)
+ bad_reg = regno;
+ } else {
+ supply_register (regno, core_reg_sect + addr);
+ }
+ }
+ if (bad_reg >= 0)
+ {
+ error ("Register %s not found in core file.", reg_names[bad_reg]);
+ }
+}
+
+
+#ifdef REGISTER_U_ADDR
+
+/* Return the address in the core dump or inferior of register REGNO.
+ BLOCKEND is the address of the end of the user structure. */
+
+unsigned int
+register_addr (regno, blockend)
+ int regno;
+ int blockend;
+{
+ int addr;
+
+ if (regno < 0 || regno >= ARCH_NUM_REGS)
+ error ("Invalid register number %d.", regno);
+
+ REGISTER_U_ADDR (addr, blockend, regno);
+
+ return addr;
+}
+
+#endif /* REGISTER_U_ADDR */
+
+
+/* Register that we are able to handle aout (trad-core) file formats. */
+
+static struct core_fns aout_core_fns =
+{
+ bfd_target_unknown_flavour,
+ fetch_core_registers,
+ NULL
+};
+
+void
+_initialize_core_aout ()
+{
+ add_core_fns (&aout_core_fns);
+}