diff options
Diffstat (limited to 'devel/gdb66/files/kvm-fbsd-i386.h')
| -rw-r--r-- | devel/gdb66/files/kvm-fbsd-i386.h | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/devel/gdb66/files/kvm-fbsd-i386.h b/devel/gdb66/files/kvm-fbsd-i386.h deleted file mode 100644 index e85fb1c695e2..000000000000 --- a/devel/gdb66/files/kvm-fbsd-i386.h +++ /dev/null @@ -1,136 +0,0 @@ -/* Kernel core dump functions below target vector, for GDB on FreeBSD/i386. - Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 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. -*/ - -__FBSDID("$FreeBSD$"); - -#include <machine/frame.h> -#include "i386-tdep.h" - -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 }; - -#if __FreeBSD_version >= 500032 -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 (get_frame_base (fi) + 4, 4); - sym = lookup_minimal_symbol_by_pc (this_saved_pc); - frametype = tf_normal; - if (sym != NULL) - { - if (strcmp (DEPRECATED_SYMBOL_NAME (sym), KSYM_TRAP) == 0) - frametype = tf_trap; - else - if (strncmp (DEPRECATED_SYMBOL_NAME (sym), KSYM_INTR, - strlen (KSYM_INTR)) == 0 || strncmp (DEPRECATED_SYMBOL_NAME(sym), - KSYM_FASTINTR, strlen (KSYM_FASTINTR)) == 0) - frametype = tf_interrupt; - else - if (strcmp (DEPRECATED_SYMBOL_NAME (sym), KSYM_SYSCALL) == 0 || - strcmp (DEPRECATED_SYMBOL_NAME (sym), KSYM_OLDSYSCALL) == 0) - frametype = tf_syscall; - } - - switch (frametype) - { - default: - case tf_normal: - return (this_saved_pc); -#define oEIP offsetof (struct trapframe, tf_eip) - - case tf_trap: - return (read_memory_integer (get_frame_base (fi) + 8 + oEIP, 4)); - - case tf_interrupt: - return (read_memory_integer (get_frame_base (fi) + 12 + oEIP, 4)); - - case tf_syscall: - return (read_memory_integer (get_frame_base (fi) + 8 + oEIP, 4)); -#undef oEIP - } -} -#endif // __FreeBSD_version >= 500032 - -static void -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 */ - regcache_raw_supply (current_regcache, i, (char *)&noreg); - - /* DEO:XXX use SP_REGNUM and PC_REGNUM -- this is GDB_MULTI_ARCH */ - regcache_raw_supply (current_regcache, 3, (char *) &pcb->pcb_ebx); - regcache_raw_supply (current_regcache, SP_REGNUM, (char *) &pcb->pcb_esp); - regcache_raw_supply (current_regcache, I386_EBP_REGNUM, (char *) &pcb->pcb_ebp); - regcache_raw_supply (current_regcache, 6, (char *) &pcb->pcb_esi); - regcache_raw_supply (current_regcache, 7, (char *) &pcb->pcb_edi); - regcache_raw_supply (current_regcache, PC_REGNUM, (char *) &pcb->pcb_eip); - - for (i = 9; i < 14; ++i) /* eflags, cs, ss, ds, es, fs */ - regcache_raw_supply (current_regcache, i, (char *) &noreg); - regcache_raw_supply (current_regcache, 15, (char *) &pcb->pcb_gs); - - /* XXX 80387 registers? */ -} |