X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fcore-regset.c;h=16cfde5be66cb0096863c138a16058c9a08003ac;hb=a3982d4858ac407c7e879a57762bc4130d54d4b8;hp=d925abea74682af2da48f7c6ea606f7224169a38;hpb=24418cfbac29d947c943d05c14a00e918cff79d7;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/core-regset.c b/gdb/core-regset.c index d925abea74..16cfde5be6 100644 --- a/gdb/core-regset.c +++ b/gdb/core-regset.c @@ -1,34 +1,36 @@ /* Machine independent GDB support for core files on systems using "regsets". - Copyright 1993-1998 Free Software Foundation, Inc. + Copyright 1993, 1994, 1995, 1996, 1998, 1999, 2000 + Free Software Foundation, Inc. -This file is part of GDB. + 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 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. + 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. */ + 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. */ -/* N O T E S +/* N O T E S -This file is used by most systems that implement /proc. For these systems, -the general registers are laid out the same way in both the core file and -the gregset_p structure. The current exception to this is Irix-4.*, where -the gregset_p structure is split up into two pieces in the core file. + This file is used by most systems that implement /proc. For these systems, + the general registers are laid out the same way in both the core file and + the gregset_p structure. The current exception to this is Irix-4.*, where + the gregset_p structure is split up into two pieces in the core file. -The general register and floating point register sets are manipulated by -separate ioctl's. This file makes the assumption that if FP0_REGNUM is -defined, then support for the floating point register set is desired, -regardless of whether or not the actual target has floating point hardware. + The general register and floating point register sets are manipulated by + separate ioctl's. This file makes the assumption that if FP0_REGNUM is + defined, then support for the floating point register set is desired, + regardless of whether or not the actual target has floating point hardware. */ @@ -47,45 +49,43 @@ regardless of whether or not the actual target has floating point hardware. #include "command.h" #include "gdbcore.h" -static void fetch_core_registers PARAMS ((char *, unsigned, int, CORE_ADDR)); +/* Prototypes for supply_gregset etc. */ +#include "gregset.h" -void _initialize_core_regset PARAMS ((void)); +static void fetch_core_registers (char *, unsigned, int, CORE_ADDR); -/* +void _initialize_core_regset (void); -GLOBAL FUNCTION +/* - fetch_core_registers -- fetch current registers from core file + GLOBAL FUNCTION -SYNOPSIS + fetch_core_registers -- fetch current registers from core file - void fetch_core_registers (char *core_reg_sect, - unsigned core_reg_size, - int which, CORE_ADDR reg_addr) + SYNOPSIS -DESCRIPTION + void fetch_core_registers (char *core_reg_sect, + unsigned core_reg_size, + int which, CORE_ADDR reg_addr) - Read the values of either the general register set (WHICH equals 0) - or the floating point register set (WHICH equals 2) from the core - file data (pointed to by CORE_REG_SECT), and update gdb's idea of - their current values. The CORE_REG_SIZE parameter is ignored. + DESCRIPTION -NOTES + Read the values of either the general register set (WHICH equals 0) + or the floating point register set (WHICH equals 2) from the core + file data (pointed to by CORE_REG_SECT), and update gdb's idea of + their current values. The CORE_REG_SIZE parameter is compared to + the size of the gregset or fpgregset structures (as appropriate) to + validate the size of the structure from the core file. The + REG_ADDR parameter is ignored. - Use the indicated sizes to validate the gregset and fpregset - structures. -*/ + */ static void -fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr) - char *core_reg_sect; - unsigned core_reg_size; - int which; - CORE_ADDR reg_addr; /* Unused in this version */ +fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which, + CORE_ADDR reg_addr) { -#if defined (HAVE_GREGSET_T) && defined (HAVE_FPREGSET_T) - gregset_t gregset; - fpregset_t fpregset; + gdb_gregset_t gregset; + gdb_fpregset_t fpregset; if (which == 0) { @@ -108,27 +108,27 @@ fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr) else { memcpy ((char *) &fpregset, core_reg_sect, sizeof (fpregset)); -#if defined (FP0_REGNUM) - supply_fpregset (&fpregset); -#endif + if (FP0_REGNUM >= 0) + supply_fpregset (&fpregset); } } -#endif /* defined(HAVE_GREGSET_T) && defined (HAVE_FPREGSET_T) */ } - + /* Register that we are able to handle ELF file formats using standard procfs "regset" structures. */ static struct core_fns regset_core_fns = { - bfd_target_elf_flavour, - fetch_core_registers, - NULL + bfd_target_elf_flavour, /* core_flavour */ + default_check_format, /* check_format */ + default_core_sniffer, /* core_sniffer */ + fetch_core_registers, /* core_read_registers */ + NULL /* next */ }; void -_initialize_core_regset () +_initialize_core_regset (void) { add_core_fns (®set_core_fns); }