2003-04-28 Andrew Cagney <cagney@redhat.com>

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

diff --git a/gdb/alpha-tdep.h b/gdb/alpha-tdep.h
index b5e721830cf0185f53a3694f55fb68658529b4b1..0e8aefbfe16c93ccaf103ae0a9822fe8542892ae 100644 (file)
--- a/gdb/alpha-tdep.h
+++ b/gdb/alpha-tdep.h
@@ -1,5 +1,5 @@
 /* Common target dependent code for GDB on Alpha systems.
-   Copyright 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2002 Free
+   Copyright 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2002, 2003 Free
    Software Foundation, Inc.
 
    This file is part of GDB.
@@ -28,7 +28,7 @@
 #define ALPHA_REGISTER_SIZE 8
 
 /* Number of machine registers.  */
-#define ALPHA_NUM_REGS 66
+#define ALPHA_NUM_REGS 67
 
 /* Total amount of space needed to store our copies of the machine's
    register state.  */
@@ -40,12 +40,12 @@
 /* Largest value REGISTER_VIRTUAL_SIZE can have.  */
 #define ALPHA_MAX_REGISTER_VIRTUAL_SIZE 8
 
-/* Register numbers of various important registers.
-   Note that most of these values are "real" register numbers,
-   and correspond to the general registers of the machine,
-   and FP_REGNUM is a "phony" register number which is too large
-   to be an actual register number as far as the user is concerned
-   but serves to get the desired value when passed to read_register.  */
+/* Register numbers of various important registers.  Note that most of
+   these values are "real" register numbers, and correspond to the
+   general registers of the machine, and DEPRECATED_FP_REGNUM is a
+   "phony" register number which is too large to be an actual register
+   number as far as the user is concerned but serves to get the
+   desired value when passed to read_register.  */
 
 #define ALPHA_V0_REGNUM             0  /* Function integer return value */
 #define ALPHA_T7_REGNUM             8  /* Return address register for OSF/1 __add* */
@@ -61,6 +61,7 @@
 #define ALPHA_FPCR_REGNUM   63  /* Floating point control register */
 #define ALPHA_PC_REGNUM     64  /* Contains program counter */
 #define ALPHA_FP_REGNUM     65  /* Virtual frame pointer */
+#define ALPHA_UNIQUE_REGNUM 66 /* PAL_rduniq value */
 
 /* The alpha has two different virtual pointers for arguments and locals.
    
@@ -76,26 +77,30 @@
    pointer, the value of localoff is obtained from the PDR.  */
 #define ALPHA_NUM_ARG_REGS   6
 
-/* ABI variants that we know about.  If you add to this enum, please
-   update the table of names in alpha-tdep.c.  */
-enum alpha_abi
-{
-  ALPHA_ABI_UNKNOWN = 0,
-  ALPHA_ABI_OSF1,
-  ALPHA_ABI_LINUX,
-  ALPHA_ABI_FREEBSD,
-  ALPHA_ABI_NETBSD,
-
-  ALPHA_ABI_INVALID    /* Keep this last. */
-};
-
 /* Target-dependent structure in gdbarch.  */
 struct gdbarch_tdep
 {
-  enum alpha_abi alpha_abi;    /* OS/ABI of inferior.  */
-  const char *abi_name;                /* Name of the above.  */
-
   CORE_ADDR vm_min_address;    /* used by heuristic_proc_start */
+
+  /* If PC is inside a dynamically-generated signal trampoline function
+     (i.e. one copied onto the user stack at run-time), return how many
+     bytes PC is beyond the start of that function.  Otherwise, return -1.  */
+  LONGEST (*dynamic_sigtramp_offset) (CORE_ADDR);
+
+  /* If FRAME refers to a sigtramp frame, return the address of the next
+     frame.  */
+  CORE_ADDR (*skip_sigtramp_frame) (struct frame_info *, CORE_ADDR);
+
+  /* Translate a signal handler frame into the address of the sigcontext
+     structure for that signal handler.  */
+  CORE_ADDR (*sigcontext_addr) (struct frame_info *);
+
+  int jb_pc;                   /* Offset to PC value in jump buffer.
+                                  If htis is negative, longjmp support
+                                  will be disabled.  */
+  size_t jb_elt_size;          /* And the size of each entry in the buf. */
 };
 
+void alpha_software_single_step (enum target_signal, int);
+
 #endif /* ALPHA_TDEP_H */