diff options
author | Fred Fish <fnf@specifix.com> | 1996-01-11 20:08:15 +0000 |
---|---|---|
committer | Fred Fish <fnf@specifix.com> | 1996-01-11 20:08:15 +0000 |
commit | a1df8e780c755671cb0c77272a1cc91155974183 (patch) | |
tree | 02f4a5691cff82531c79b209c586f62e4771d7d8 /gdb/core-aout.c | |
parent | e4ee6fb776172af7f902acda147814dad7cf8bf0 (diff) | |
download | fsf-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.c | 143 |
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); +} |