merge from gcc

[deliverable/binutils-gdb.git] / gdb / hppa-tdep.h

diff --git a/gdb/hppa-tdep.h b/gdb/hppa-tdep.h
index 3f2235ddcd8dc59916e4871e7a807ae431631558..35cca4d6560124e49254601f096f13c352378536 100644 (file)
--- a/gdb/hppa-tdep.h
+++ b/gdb/hppa-tdep.h
@@ -22,6 +22,8 @@
 #define HPPA_TDEP_H
 
 struct trad_frame_saved_reg;
+struct objfile;
+struct so_list;
 
 /* Register numbers of various important registers.
    Note that some of these values are "real" register numbers,
@@ -38,6 +40,9 @@ enum hppa_regnum
   HPPA_FLAGS_REGNUM = 0,       /* Various status flags */
   HPPA_RP_REGNUM = 2,          /* return pointer */
   HPPA_FP_REGNUM = 3,          /* The ABI's frame pointer, when used */
+  HPPA_DP_REGNUM = 27,
+  HPPA_RET0_REGNUM = 28,
+  HPPA_RET1_REGNUM = 29,
   HPPA_SP_REGNUM = 30,         /* Stack pointer.  */
   HPPA_R31_REGNUM = 31,
   HPPA_SAR_REGNUM = 32,                /* Shift Amount Register */
@@ -61,6 +66,7 @@ enum hppa_regnum
   HPPA_CR27_REGNUM = 60,       /* Base register for thread-local storage, cr27 */
   HPPA_FP0_REGNUM = 64,                /* First floating-point.  */
   HPPA_FP4_REGNUM = 72,
+  HPPA64_FP4_REGNUM = 68,
 
   HPPA_ARG0_REGNUM = 26,       /* The first argument of a callee. */
   HPPA_ARG1_REGNUM = 25,       /* The second argument of a callee. */
@@ -82,6 +88,27 @@ struct gdbarch_tdep
   /* Given a function address, try to find the global pointer for the 
      corresponding shared object.  */
   CORE_ADDR (*find_global_pointer) (struct value *);
+
+  /* For shared libraries, each call goes through a small piece of
+     trampoline code in the ".plt", or equivalent, section.
+     IN_SOLIB_CALL_TRAMPOLINE evaluates to nonzero if we are currently
+     stopped in one of these.  */
+  int (*in_solib_call_trampoline) (CORE_ADDR pc, char *name);
+
+  /* For targets that support multiple spaces, we may have additional stubs
+     in the return path.  These stubs are internal to the ABI, and users are
+     not interested in them.  If we detect that we are returning to a stub,
+     adjust the pc to the real caller.  This improves the behavior of commands
+     that traverse frames such as "up" and "finish".  */
+  void (*unwind_adjust_stub) (struct frame_info *next_frame, CORE_ADDR base,
+                             struct trad_frame_saved_reg *saved_regs);
+
+  /* These are solib-dependent methods.  They are really HPUX only, but
+     we don't have a HPUX-specific tdep vector at the moment.  */
+  CORE_ADDR (*solib_thread_start_addr) (struct so_list *so);
+  CORE_ADDR (*solib_get_got_by_pc) (CORE_ADDR addr);
+  CORE_ADDR (*solib_get_solib_by_pc) (CORE_ADDR addr);
+  CORE_ADDR (*solib_get_text_base) (struct objfile *objfile);
 };
 
 /*
@@ -181,6 +208,9 @@ struct hppa_objfile_private
     struct hppa_unwind_info *unwind_info;      /* a pointer */
     struct so_list *so_info;   /* a pointer  */
     CORE_ADDR dp;
+
+    int dummy_call_sequence_reg;
+    CORE_ADDR dummy_call_sequence_addr;
   };
 
 extern const struct objfile_data *hppa_objfile_priv_data;
@@ -194,6 +224,7 @@ int hppa_extract_21 (unsigned);
 int hppa_extract_14 (unsigned);
 int hppa_low_sign_extend (unsigned int, unsigned int);
 int hppa_sign_extend (unsigned int, unsigned int);
+CORE_ADDR hppa_symbol_address(const char *sym);
 
 void
 hppa_frame_prev_register_helper (struct frame_info *next_frame,
@@ -202,4 +233,16 @@ hppa_frame_prev_register_helper (struct frame_info *next_frame,
                                 enum lval_type *lvalp, CORE_ADDR *addrp,
                                 int *realnump, void *valuep);
 
+extern CORE_ADDR hppa_read_pc (ptid_t ptid);
+extern void hppa_write_pc (CORE_ADDR pc, ptid_t ptid);
+extern CORE_ADDR hppa_unwind_pc (struct gdbarch *gdbarch,
+                                struct frame_info *next_frame);
+
+extern struct minimal_symbol *
+  hppa_lookup_stub_minimal_symbol (const char *name,
+                                   enum unwind_stub_types stub_type);
+
+extern struct hppa_objfile_private *
+hppa_init_objfile_priv_data (struct objfile *objfile);
+
 #endif  /* HPPA_TDEP_H */