* sol-thread.c: Replace use of TM_I386SOL2_H by an expression

        that is true only on x86-solaris and x86_64-solaris.
        * procfs.c: Likewise. Move procfs_find_LDT_entry up together
        with proc_get_LDT_entry.

3 files changed, 54 insertions, 46 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index ed3a1bf..cebe49d 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,4 +1,11 @@
-2008-03-12  Thiago Jung Bauermann  <bauerman.ibm.com>
+2008-02-12  Joel Brobecker  <brobecker@gnat.com>
+
+	* sol-thread.c: Replace use of TM_I386SOL2_H by an expression
+	that is true only on x86-solaris and x86_64-solaris.
+	* procfs.c: Likewise. Move procfs_find_LDT_entry up together
+	with proc_get_LDT_entry.
+
+2008-03-12  Thiago Jung Bauermann  <bauerman@br.ibm.com>
 
 	* configure.ac (AC_CHECK_FUNCS): Add check for setsid.
 	* config.in, configure: Regenerate.
diff --git a/gdb/procfs.c b/gdb/procfs.c
index bde710a..72d72cc 100644
--- a/gdb/procfs.c
+++ b/gdb/procfs.c
@@ -2919,7 +2919,7 @@ proc_set_watchpoint (procinfo *pi, CORE_ADDR addr, int len, int wflags)
 #endif
 }
 
-#ifdef TM_I386SOL2_H		/* Is it hokey to use this? */
+#if (defined(__i386__) || defined(__x86_64__)) && defined (sun)
 
 #include <sys/sysi86.h>
 
@@ -3011,7 +3011,45 @@ proc_get_LDT_entry (procinfo *pi, int key)
 #endif
 }
 
-#endif /* TM_I386SOL2_H */
+/*
+ * Function: procfs_find_LDT_entry
+ *
+ * Input:
+ *   ptid_t ptid;	// The GDB-style pid-plus-LWP.
+ *
+ * Return:
+ *   pointer to the corresponding LDT entry.
+ */
+
+struct ssd *
+procfs_find_LDT_entry (ptid_t ptid)
+{
+  gdb_gregset_t *gregs;
+  int            key;
+  procinfo      *pi;
+
+  /* Find procinfo for the lwp. */
+  if ((pi = find_procinfo (PIDGET (ptid), TIDGET (ptid))) == NULL)
+    {
+      warning (_("procfs_find_LDT_entry: could not find procinfo for %d:%d."),
+	       PIDGET (ptid), TIDGET (ptid));
+      return NULL;
+    }
+  /* get its general registers. */
+  if ((gregs = proc_get_gregs (pi)) == NULL)
+    {
+      warning (_("procfs_find_LDT_entry: could not read gregs for %d:%d."),
+	       PIDGET (ptid), TIDGET (ptid));
+      return NULL;
+    }
+  /* Now extract the GS register's lower 16 bits. */
+  key = (*gregs)[GS] & 0xffff;
+
+  /* Find the matching entry and return it. */
+  return proc_get_LDT_entry (pi, key);
+}
+
+#endif
 
 /* =============== END, non-thread part of /proc  "MODULE" =============== */
 
@@ -5331,46 +5369,6 @@ procfs_stopped_by_watchpoint (ptid_t ptid)
   return 0;
 }
 
-#ifdef TM_I386SOL2_H
-/*
- * Function: procfs_find_LDT_entry
- *
- * Input:
- *   ptid_t ptid;	// The GDB-style pid-plus-LWP.
- *
- * Return:
- *   pointer to the corresponding LDT entry.
- */
-
-struct ssd *
-procfs_find_LDT_entry (ptid_t ptid)
-{
-  gdb_gregset_t *gregs;
-  int            key;
-  procinfo      *pi;
-
-  /* Find procinfo for the lwp. */
-  if ((pi = find_procinfo (PIDGET (ptid), TIDGET (ptid))) == NULL)
-    {
-      warning (_("procfs_find_LDT_entry: could not find procinfo for %d:%d."),
-	       PIDGET (ptid), TIDGET (ptid));
-      return NULL;
-    }
-  /* get its general registers. */
-  if ((gregs = proc_get_gregs (pi)) == NULL)
-    {
-      warning (_("procfs_find_LDT_entry: could not read gregs for %d:%d."),
-	       PIDGET (ptid), TIDGET (ptid));
-      return NULL;
-    }
-  /* Now extract the GS register's lower 16 bits. */
-  key = (*gregs)[GS] & 0xffff;
-
-  /* Find the matching entry and return it. */
-  return proc_get_LDT_entry (pi, key);
-}
-#endif /* TM_I386SOL2_H */
-
 /*
  * Memory Mappings Functions:
  */
diff --git a/gdb/sol-thread.c b/gdb/sol-thread.c
index 796065d..bf31fa0 100644
--- a/gdb/sol-thread.c
+++ b/gdb/sol-thread.c
@@ -1283,9 +1283,12 @@ ps_pdmodel (gdb_ps_prochandle_t ph, int *data_model)
 }
 #endif /* PR_MODEL_LP64 */
 
-#ifdef TM_I386SOL2_H
+#if (defined(__i386__) || defined(__x86_64__)) && defined (sun)
 
-/* Reads the local descriptor table of a LWP.  */
+/* Reads the local descriptor table of a LWP.
+
+   This function is necessary on x86-solaris only.  Without it, the loading
+   of libthread_db would fail because of ps_lgetLDT being undefined.  */
 
 ps_err_e
 ps_lgetLDT (gdb_ps_prochandle_t ph, lwpid_t lwpid,
@@ -1311,7 +1314,7 @@ ps_lgetLDT (gdb_ps_prochandle_t ph, lwpid_t lwpid,
     /* LDT not found.  */
     return PS_ERR;
 }
-#endif /* TM_I386SOL2_H */
+#endif
 
 
 /* Convert PTID to printable form.  */