diff options
Diffstat (limited to 'gdb/ultra3-xdep.c')
| -rw-r--r-- | gdb/ultra3-xdep.c | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/gdb/ultra3-xdep.c b/gdb/ultra3-xdep.c index 504f56b..fb24657 100644 --- a/gdb/ultra3-xdep.c +++ b/gdb/ultra3-xdep.c @@ -36,64 +36,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <sys/file.h> #include <sys/stat.h> -/* Assumes support for AMD's Binary Compatibility Standard - for ptrace(). If you define ULTRA3, the ultra3 extensions to - ptrace() are used allowing the reading of more than one register - at a time. - - This file assumes KERNEL_DEBUGGING is turned off. This means - that if the user/gdb tries to read gr64-gr95 or any of the - protected special registers we silently return -1 (see the - CANNOT_STORE/FETCH_REGISTER macros). */ -#define ULTRA3 - -#if !defined (offsetof) -# define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER) -#endif - -extern int errno; -struct ptrace_user pt_struct; - -/* - * Takes a register number as defined in tm.h via REGISTER_NAMES, and maps - * it to an offset in a struct ptrace_user defined by AMD's BCS. - * That is, it defines the mapping between gdb register numbers and items in - * a struct ptrace_user. - * A register protection scheme is set up here. If a register not - * available to the user is specified in 'regno', then an address that - * will cause ptrace() to fail is returned. - */ -unsigned int -register_addr (regno,blockend) - unsigned int regno; - char *blockend; -{ - if ((regno >= LR0_REGNUM) && (regno < LR0_REGNUM + 128)) { - return(offsetof(struct ptrace_user,pt_lr[regno-LR0_REGNUM])); - } else if ((regno >= GR96_REGNUM) && (regno < GR96_REGNUM + 32)) { - return(offsetof(struct ptrace_user,pt_gr[regno-GR96_REGNUM])); - } else { - switch (regno) { - case GR1_REGNUM: return(offsetof(struct ptrace_user,pt_gr1)); - case CPS_REGNUM: return(offsetof(struct ptrace_user,pt_psr)); - case NPC_REGNUM: return(offsetof(struct ptrace_user,pt_pc0)); - case PC_REGNUM: return(offsetof(struct ptrace_user,pt_pc1)); - case PC2_REGNUM: return(offsetof(struct ptrace_user,pt_pc2)); - case IPC_REGNUM: return(offsetof(struct ptrace_user,pt_ipc)); - case IPA_REGNUM: return(offsetof(struct ptrace_user,pt_ipa)); - case IPB_REGNUM: return(offsetof(struct ptrace_user,pt_ipb)); - case Q_REGNUM: return(offsetof(struct ptrace_user,pt_q)); - case BP_REGNUM: return(offsetof(struct ptrace_user,pt_bp)); - case FC_REGNUM: return(offsetof(struct ptrace_user,pt_fc)); - default: - fprintf_filtered(stderr,"register_addr():Bad register %s (%d)\n", - reg_names[regno],regno); - return(0xffffffff); /* Should make ptrace() fail */ - } - } -} - - /* Assorted operating system circumventions */ #ifdef SYM1 |