* gdbint.texinfo (Host Definition): Remove description of

[deliverable/binutils-gdb.git] / gdb / ia64-linux-nat.c

diff --git a/gdb/ia64-linux-nat.c b/gdb/ia64-linux-nat.c
index dfaa704f799c87e14c5857fae8556a7600e8f4f6..338adbe44ac6a3a315aacf99aa92f1b65b61a04b 100644 (file)
--- a/gdb/ia64-linux-nat.c
+++ b/gdb/ia64-linux-nat.c
@@ -1,5 +1,5 @@
 /* Functions specific to running gdb native on IA-64 running Linux.
-   Copyright 1999, 2000 Free Software Foundation, Inc.
+   Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -22,6 +22,7 @@
 #include "inferior.h"
 #include "target.h"
 #include "gdbcore.h"
+#include "regcache.h"
 
 #include <signal.h>
 #include <sys/ptrace.h>
@@ -34,6 +35,9 @@
 #include <asm/ptrace_offsets.h>
 #include <sys/procfs.h>
 
+/* Prototypes for supply_gregset etc. */
+#include "gregset.h"
+
 /* These must match the order of the register names.
 
    Some sort of lookup table is needed because the offsets associated
@@ -233,7 +237,7 @@ static int u_offsets[] =
     PT_PR,
     PT_CR_IIP, /* ip */
     PT_CR_IPSR, /* psr */
-    PT_CR_IFS, /* cfm */
+    PT_CFM,    /* cfm */
     /* kernel registers not visible via ptrace interface (?) */
     -1, -1, -1, -1, -1, -1, -1, -1,
     /* hole */
@@ -293,9 +297,7 @@ static int u_offsets[] =
   };
 
 CORE_ADDR
-register_addr (regno, blockend)
-     int regno;
-     CORE_ADDR blockend;
+register_addr (int regno, CORE_ADDR blockend)
 {
   CORE_ADDR addr;
 
@@ -353,8 +355,7 @@ int ia64_cannot_store_register (regno)
 }
 
 void
-supply_gregset (gregsetp)
-     gregset_t *gregsetp;
+supply_gregset (gregset_t *gregsetp)
 {
   int regi;
   greg_t *regp = (greg_t *) gregsetp;
@@ -390,9 +391,7 @@ supply_gregset (gregsetp)
 }
 
 void
-fill_gregset (gregsetp, regno)
-     gregset_t *gregsetp;
-     int regno;
+fill_gregset (gregset_t *gregsetp, int regno)
 {
   int regi;
   greg_t *regp = (greg_t *) gregsetp;
@@ -436,8 +435,7 @@ fill_gregset (gregsetp, regno)
    idea of the current floating point register values. */
 
 void
-supply_fpregset (fpregsetp)
-     fpregset_t *fpregsetp;
+supply_fpregset (fpregset_t *fpregsetp)
 {
   register int regi;
   char *from;
@@ -455,9 +453,7 @@ supply_fpregset (fpregsetp)
    them all. */
 
 void
-fill_fpregset (fpregsetp, regno)
-     fpregset_t *fpregsetp;
-     int regno;
+fill_fpregset (fpregset_t *fpregsetp, int regno)
 {
   int regi;
   char *to;
@@ -478,28 +474,28 @@ fill_fpregset (fpregsetp, regno)
 #define IA64_PSR_DD (1UL << 39)
 
 static void
-enable_watchpoints_in_psr (int pid)
+enable_watchpoints_in_psr (ptid_t ptid)
 {
   CORE_ADDR psr;
 
-  psr = read_register_pid (IA64_PSR_REGNUM, pid);
+  psr = read_register_pid (IA64_PSR_REGNUM, ptid);
   if (!(psr & IA64_PSR_DB))
     {
       psr |= IA64_PSR_DB;      /* Set the db bit - this enables hardware
                                   watchpoints and breakpoints. */
-      write_register_pid (IA64_PSR_REGNUM, psr, pid);
+      write_register_pid (IA64_PSR_REGNUM, psr, ptid);
     }
 }
 
 static long
-fetch_debug_register (int pid, int idx)
+fetch_debug_register (ptid_t ptid, int idx)
 {
   long val;
   int tid;
 
-  tid = TIDGET(pid);
+  tid = TIDGET (ptid);
   if (tid == 0)
-    tid = pid;
+    tid = PIDGET (ptid);
 
   val = ptrace (PT_READ_U, tid, (PTRACE_ARG3_TYPE) (PT_DBR + 8 * idx), 0);
 
@@ -507,33 +503,33 @@ fetch_debug_register (int pid, int idx)
 }
 
 static void
-store_debug_register (int pid, int idx, long val)
+store_debug_register (ptid_t ptid, int idx, long val)
 {
   int tid;
 
-  tid = TIDGET(pid);
+  tid = TIDGET (ptid);
   if (tid == 0)
-    tid = pid;
+    tid = PIDGET (ptid);
 
   (void) ptrace (PT_WRITE_U, tid, (PTRACE_ARG3_TYPE) (PT_DBR + 8 * idx), val);
 }
 
 static void
-fetch_debug_register_pair (int pid, int idx, long *dbr_addr, long *dbr_mask)
+fetch_debug_register_pair (ptid_t ptid, int idx, long *dbr_addr, long *dbr_mask)
 {
   if (dbr_addr)
-    *dbr_addr = fetch_debug_register (pid, 2 * idx);
+    *dbr_addr = fetch_debug_register (ptid, 2 * idx);
   if (dbr_mask)
-    *dbr_mask = fetch_debug_register (pid, 2 * idx + 1);
+    *dbr_mask = fetch_debug_register (ptid, 2 * idx + 1);
 }
 
 static void
-store_debug_register_pair (int pid, int idx, long *dbr_addr, long *dbr_mask)
+store_debug_register_pair (ptid_t ptid, int idx, long *dbr_addr, long *dbr_mask)
 {
   if (dbr_addr)
-    store_debug_register (pid, 2 * idx, *dbr_addr);
+    store_debug_register (ptid, 2 * idx, *dbr_addr);
   if (dbr_mask)
-    store_debug_register (pid, 2 * idx + 1, *dbr_mask);
+    store_debug_register (ptid, 2 * idx + 1, *dbr_mask);
 }
 
 static int
@@ -550,7 +546,7 @@ is_power_of_2 (int val)
 }
 
 int
-ia64_linux_insert_watchpoint (int pid, CORE_ADDR addr, int len, int rw)
+ia64_linux_insert_watchpoint (ptid_t ptid, CORE_ADDR addr, int len, int rw)
 {
   int idx;
   long dbr_addr, dbr_mask;
@@ -561,7 +557,7 @@ ia64_linux_insert_watchpoint (int pid, CORE_ADDR addr, int len, int rw)
 
   for (idx = 0; idx < max_watchpoints; idx++)
     {
-      fetch_debug_register_pair (pid, idx, NULL, &dbr_mask);
+      fetch_debug_register_pair (ptid, idx, NULL, &dbr_mask);
       if ((dbr_mask & (0x3UL << 62)) == 0)
        {
          /* Exit loop if both r and w bits clear */
@@ -590,14 +586,14 @@ ia64_linux_insert_watchpoint (int pid, CORE_ADDR addr, int len, int rw)
       return -1;
     }
 
-  store_debug_register_pair (pid, idx, &dbr_addr, &dbr_mask);
-  enable_watchpoints_in_psr (pid);
+  store_debug_register_pair (ptid, idx, &dbr_addr, &dbr_mask);
+  enable_watchpoints_in_psr (ptid);
 
   return 0;
 }
 
 int
-ia64_linux_remove_watchpoint (int pid, CORE_ADDR addr, int len)
+ia64_linux_remove_watchpoint (ptid_t ptid, CORE_ADDR addr, int len)
 {
   int idx;
   long dbr_addr, dbr_mask;
@@ -608,12 +604,12 @@ ia64_linux_remove_watchpoint (int pid, CORE_ADDR addr, int len)
 
   for (idx = 0; idx < max_watchpoints; idx++)
     {
-      fetch_debug_register_pair (pid, idx, &dbr_addr, &dbr_mask);
+      fetch_debug_register_pair (ptid, idx, &dbr_addr, &dbr_mask);
       if ((dbr_mask & (0x3UL << 62)) && addr == (CORE_ADDR) dbr_addr)
        {
          dbr_addr = 0;
          dbr_mask = 0;
-         store_debug_register_pair (pid, idx, &dbr_addr, &dbr_mask);
+         store_debug_register_pair (ptid, idx, &dbr_addr, &dbr_mask);
          return 0;
        }
     }
@@ -621,26 +617,26 @@ ia64_linux_remove_watchpoint (int pid, CORE_ADDR addr, int len)
 }
 
 CORE_ADDR
-ia64_linux_stopped_by_watchpoint (int pid)
+ia64_linux_stopped_by_watchpoint (ptid_t ptid)
 {
   CORE_ADDR psr;
   int tid;
   struct siginfo siginfo;
 
-  tid = TIDGET(pid);
+  tid = TIDGET(ptid);
   if (tid == 0)
-    tid = pid;
+    tid = PIDGET (ptid);
   
   errno = 0;
   ptrace (PTRACE_GETSIGINFO, tid, (PTRACE_ARG3_TYPE) 0, &siginfo);
 
-  if (errno != 0 || siginfo.si_code != 4 /* TRAP_HWBKPT */)
+  if (errno != 0 || (siginfo.si_code & 0xffff) != 0x0004 /* TRAP_HWBKPT */)
     return 0;
 
-  psr = read_register_pid (IA64_PSR_REGNUM, pid);
+  psr = read_register_pid (IA64_PSR_REGNUM, ptid);
   psr |= IA64_PSR_DD;  /* Set the dd bit - this will disable the watchpoint
                            for the next instruction */
-  write_register_pid (IA64_PSR_REGNUM, psr, pid);
+  write_register_pid (IA64_PSR_REGNUM, psr, ptid);
 
   return (CORE_ADDR) siginfo.si_addr;
 }