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authorK. Richard Pixley <rich@cygnus>1992-10-16 06:05:36 +0000
committerK. Richard Pixley <rich@cygnus>1992-10-16 06:05:36 +0000
commit6bf98ac01d779404123504dc060a89d034cf7a85 (patch)
treeb2dd75510fec9df544350d5b5801de05d7a2ed8c /gdb/ultra3-xdep.c
parent4100543aee0f7e77c1a8aec9e150b9e1720b8dcb (diff)
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ultra3 split
Diffstat (limited to 'gdb/ultra3-xdep.c')
-rw-r--r--gdb/ultra3-xdep.c214
1 files changed, 1 insertions, 213 deletions
diff --git a/gdb/ultra3-xdep.c b/gdb/ultra3-xdep.c
index 3fff182..504f56b 100644
--- a/gdb/ultra3-xdep.c
+++ b/gdb/ultra3-xdep.c
@@ -1,5 +1,5 @@
/* Host-dependent code for GDB, for NYU Ultra3 running Sym1 OS.
- Copyright (C) 1988, 1989, 1991 Free Software Foundation, Inc.
+ Copyright (C) 1988, 1989, 1991, 1992 Free Software Foundation, Inc.
Contributed by David Wood (wood@nyu.edu) at New York University.
This file is part of GDB.
@@ -35,7 +35,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <sys/file.h>
#include <sys/stat.h>
-#include <sys/ptrace.h>
/* Assumes support for AMD's Binary Compatibility Standard
for ptrace(). If you define ULTRA3, the ultra3 extensions to
@@ -55,217 +54,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
extern int errno;
struct ptrace_user pt_struct;
-/*
- * Fetch an individual register (and supply it).
- * return 0 on success, -1 on failure.
- * NOTE: Assumes AMD's Binary Compatibility Standard for ptrace().
- */
-static void
-fetch_register (regno)
- int regno;
-{
- char buf[128];
- int val;
-
- if (CANNOT_FETCH_REGISTER(regno)) {
- val = -1;
- supply_register (regno, &val);
- } else {
- errno = 0;
- val = ptrace (PT_READ_U, inferior_pid,
- (PTRACE_ARG3_TYPE) register_addr(regno,0), 0);
- if (errno != 0) {
- sprintf(buf,"reading register %s (#%d)",reg_names[regno],regno);
- perror_with_name (buf);
- } else {
- supply_register (regno, &val);
- }
- }
-}
-
-/* Get all available registers from the inferior. Registers that are
- * defined in REGISTER_NAMES, but not available to the user/gdb are
- * supplied as -1. This may include gr64-gr95 and the protected special
- * purpose registers.
- */
-
-void
-fetch_inferior_registers (regno)
- int regno;
-{
- register int i,j,ret_val=0;
- char buf[128];
-
- if (regno != -1) {
- fetch_register (regno);
- return;
- }
-
-/* Global Registers */
-#ifdef ULTRA3
- errno = 0;
- ptrace (PT_READ_STRUCT, inferior_pid,
- (PTRACE_ARG3_TYPE) register_addr(GR96_REGNUM,0),
- (int)&pt_struct.pt_gr[0], 32*4);
- if (errno != 0) {
- perror_with_name ("reading global registers");
- ret_val = -1;
- } else for (regno=GR96_REGNUM, j=0 ; j<32 ; regno++, j++) {
- supply_register (regno, &pt_struct.pt_gr[j]);
- }
-#else
- for (regno=GR96_REGNUM ; !ret_val && regno < GR96_REGNUM+32 ; regno++)
- fetch_register(regno);
-#endif
-
-/* Local Registers */
-#ifdef ULTRA3
- errno = 0;
- ptrace (PT_READ_STRUCT, inferior_pid,
- (PTRACE_ARG3_TYPE) register_addr(LR0_REGNUM,0),
- (int)&pt_struct.pt_lr[0], 128*4);
- if (errno != 0) {
- perror_with_name ("reading local registers");
- ret_val = -1;
- } else for (regno=LR0_REGNUM, j=0 ; j<128 ; regno++, j++) {
- supply_register (regno, &pt_struct.pt_lr[j]);
- }
-#else
- for (regno=LR0_REGNUM ; !ret_val && regno < LR0_REGNUM+128 ; regno++)
- fetch_register(regno);
-#endif
-
-/* Special Registers */
- fetch_register(GR1_REGNUM);
- fetch_register(CPS_REGNUM);
- fetch_register(PC_REGNUM);
- fetch_register(NPC_REGNUM);
- fetch_register(PC2_REGNUM);
- fetch_register(IPC_REGNUM);
- fetch_register(IPA_REGNUM);
- fetch_register(IPB_REGNUM);
- fetch_register(Q_REGNUM);
- fetch_register(BP_REGNUM);
- fetch_register(FC_REGNUM);
-
-/* Fake any registers that are in REGISTER_NAMES, but not available to gdb */
- registers_fetched();
-}
-
-/* Store our register values back into the inferior.
- * If REGNO is -1, do this for all registers.
- * Otherwise, REGNO specifies which register (so we can save time).
- * NOTE: Assumes AMD's binary compatibility standard.
- */
-
-void
-store_inferior_registers (regno)
- int regno;
-{
- register unsigned int regaddr;
- char buf[80];
-
- if (regno >= 0)
- {
- if (CANNOT_STORE_REGISTER(regno))
- return;
- regaddr = register_addr (regno, 0);
- errno = 0;
- ptrace (PT_WRITE_U, inferior_pid,
- (PTRACE_ARG3_TYPE) regaddr, read_register(regno));
- if (errno != 0)
- {
- sprintf (buf, "writing register %s (#%d)", reg_names[regno],regno);
- perror_with_name (buf);
- }
- }
- else
- {
-#ifdef ULTRA3
- pt_struct.pt_gr1 = read_register(GR1_REGNUM);
- for (regno = GR96_REGNUM; regno < GR96_REGNUM+32; regno++)
- pt_struct.pt_gr[regno] = read_register(regno);
- for (regno = LR0_REGNUM; regno < LR0_REGNUM+128; regno++)
- pt_struct.pt_gr[regno] = read_register(regno);
- errno = 0;
- ptrace (PT_WRITE_STRUCT, inferior_pid,
- (PTRACE_ARG3_TYPE) register_addr(GR1_REGNUM,0),
- (int)&pt_struct.pt_gr1,(1*32*128)*4);
- if (errno != 0)
- {
- sprintf (buf, "writing all local/global registers");
- perror_with_name (buf);
- }
- pt_struct.pt_psr = read_register(CPS_REGNUM);
- pt_struct.pt_pc0 = read_register(NPC_REGNUM);
- pt_struct.pt_pc1 = read_register(PC_REGNUM);
- pt_struct.pt_pc2 = read_register(PC2_REGNUM);
- pt_struct.pt_ipc = read_register(IPC_REGNUM);
- pt_struct.pt_ipa = read_register(IPA_REGNUM);
- pt_struct.pt_ipb = read_register(IPB_REGNUM);
- pt_struct.pt_q = read_register(Q_REGNUM);
- pt_struct.pt_bp = read_register(BP_REGNUM);
- pt_struct.pt_fc = read_register(FC_REGNUM);
- errno = 0;
- ptrace (PT_WRITE_STRUCT, inferior_pid,
- (PTRACE_ARG3_TYPE) register_addr(CPS_REGNUM,0),
- (int)&pt_struct.pt_psr,(10)*4);
- if (errno != 0)
- {
- sprintf (buf, "writing all special registers");
- perror_with_name (buf);
- return;
- }
-#else
- store_inferior_registers(GR1_REGNUM);
- for (regno=GR96_REGNUM ; regno<GR96_REGNUM+32 ; regno++)
- store_inferior_registers(regno);
- for (regno=LR0_REGNUM ; regno<LR0_REGNUM+128 ; regno++)
- store_inferior_registers(regno);
- store_inferior_registers(CPS_REGNUM);
- store_inferior_registers(PC_REGNUM);
- store_inferior_registers(NPC_REGNUM);
- store_inferior_registers(PC2_REGNUM);
- store_inferior_registers(IPC_REGNUM);
- store_inferior_registers(IPA_REGNUM);
- store_inferior_registers(IPB_REGNUM);
- store_inferior_registers(Q_REGNUM);
- store_inferior_registers(BP_REGNUM);
- store_inferior_registers(FC_REGNUM);
-#endif /* ULTRA3 */
- }
-}
-
-/*
- * Read AMD's Binary Compatibilty Standard conforming core file.
- * struct ptrace_user is the first thing in the core file
- */
-
-void
-fetch_core_registers ()
-{
- register int regno;
- int val;
- char buf[4];
-
- for (regno = 0 ; regno < NUM_REGS; regno++) {
- if (!CANNOT_FETCH_REGISTER(regno)) {
- val = bfd_seek (core_bfd, register_addr (regno, 0), 0);
- if (val < 0 || (val = bfd_read (buf, sizeof buf, 1, core_bfd)) < 0) {
- char * buffer = (char *) alloca (strlen (reg_names[regno]) + 35);
- strcpy (buffer, "Reading core register ");
- strcat (buffer, reg_names[regno]);
- perror_with_name (buffer);
- }
- supply_register (regno, buf);
- }
- }
-
- /* Fake any registers that are in REGISTER_NAMES, but not available to gdb */
- registers_fetched();
-}
-
-
/*
* 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.