diff options
| -rw-r--r-- | gdb/configure.in | 2 | ||||
| -rw-r--r-- | gdb/i386b-nat.c | 59 | ||||
| -rw-r--r-- | gdb/tm-i386bsd.h | 34 | ||||
| -rw-r--r-- | gdb/xm-i386bsd.h | 44 |
4 files changed, 139 insertions, 0 deletions
diff --git a/gdb/configure.in b/gdb/configure.in index be42189..93daaa2 100644 --- a/gdb/configure.in +++ b/gdb/configure.in @@ -20,6 +20,7 @@ hppa*-hp-hpux) gdb_host=hppahpux ;; i[34]86-ncr-*) gdb_host=ncr3000 ;; i[34]86-sequent-*) gdb_host=symmetry ;; +i[34]86-*-bsd*) gdb_host=i386bsd ;; i[34]86-*-go32) gdb_host=go32 ;; i[34]86-*-linux) gdb_host=linux ;; i[34]86-*-mach) gdb_host=i386mach ;; @@ -132,6 +133,7 @@ i[34]86-*-aout) gdb_target=i386aout ;; i[34]86-*-coff) gdb_target=i386v ;; i[34]86-*-elf) gdb_target=i386v ;; +i[34]86-*-bsd*) gdb_target=i386bsd ;; i[34]86-*-solaris*) gdb_target=i386sol2 ;; i[34]86-*-sunos*) gdb_target=sun386 ;; i[34]86-*-sysv4*) gdb_target=i386v4 ;; diff --git a/gdb/i386b-nat.c b/gdb/i386b-nat.c new file mode 100644 index 0000000..5c1ca07 --- /dev/null +++ b/gdb/i386b-nat.c @@ -0,0 +1,59 @@ +/* 386BSD host interface. + Copyright (C) 1988, 1989, 1991 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "defs.h" + +#include <machine/reg.h> + + +/* this table must line up with REGISTER_NAMES in tm-i386.h */ +/* symbols like 'tEAX' come from <machine/reg.h> */ +static int tregmap[] = +{ + tEAX, tECX, tEDX, tEBX, + tESP, tEBP, tESI, tEDI, + tEIP, tEFLAGS, tCS, tSS +}; +static int sregmap[] = +{ + sEAX, sECX, sEDX, sEBX, + sESP, sEBP, sESI, sEDI, + sEIP, sEFLAGS, sCS, sSS +}; + +/* blockend is the value of u.u_ar0, and points to the + place where ES is stored. */ + +int +i386_register_u_addr (blockend, regnum) + int blockend; + int regnum; +{ + /* The following condition is a kludge to get at the proper register map + depending upon the state of pcb_flag. + The proper condition would be + if (u.u_pcb.pcb_flag & FM_TRAP) + but that would require a ptrace call here and wouldn't work + for corefiles. */ + + if (blockend < 0x1fcc) + return (blockend + 4 * tregmap[regnum]); + else + return (blockend + 4 * sregmap[regnum]); +} diff --git a/gdb/tm-i386bsd.h b/gdb/tm-i386bsd.h new file mode 100644 index 0000000..65050d2 --- /dev/null +++ b/gdb/tm-i386bsd.h @@ -0,0 +1,34 @@ +/* Macro definitions for i386 running under BSD Unix. + Copyright 1986, 1987, 1989, 1991, 1992 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Override number of expected traps from sysv. */ +#define START_INFERIOR_TRAPS_EXPECTED 2 + +/* Most definitions from sysv could be used. */ +#include "tm-i386v.h" + +/* Define this if the C compiler puts an underscore at the front + of external names before giving them to the linker. */ +#define NAMES_HAVE_UNDERSCORE + +#undef FLOAT_INFO /* No float info yet */ + +/* 386BSD cannot handle the segment registers. */ +#undef NUM_REGS +#define NUM_REGS 12 diff --git a/gdb/xm-i386bsd.h b/gdb/xm-i386bsd.h new file mode 100644 index 0000000..68a8196 --- /dev/null +++ b/gdb/xm-i386bsd.h @@ -0,0 +1,44 @@ +/* Macro definitions for Intel 386 running BSD Unix, for GDB. + Copyright 1986, 1987, 1989, 1992 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HOST_BYTE_ORDER LITTLE_ENDIAN + +/* Avoid "INT_MIN redefined" warnings -- by defining it here, exactly + the same as in the system <machine/limits.h> file. */ +#undef INT_MIN +#define INT_MIN 0x80000000 /* min value for an int */ + +/* Get rid of any system-imposed stack limit if possible. */ + +#define SET_STACK_LIMIT_HUGE + +/* This is the amount to subtract from u.u_ar0 + to get the offset in the core file of the register values. */ + +#include <machine/vmparam.h> +#define KERNEL_U_ADDR USRSTACK + +#define REGISTER_U_ADDR(addr, blockend, regno) \ + (addr) = i386_register_u_addr ((blockend),(regno)); + +extern int +i386_register_u_addr PARAMS ((int, int)); + +#define PSIGNAL_IN_SIGNAL_H +#define PTRACE_ARG3_TYPE char* |