* gdbarch.sh (BREAKPOINT_FROM_PC): Return a const buffer.

[platform/upstream/binutils.git] / gdb / mem-break.c

diff --git a/gdb/mem-break.c b/gdb/mem-break.c
index 99db9d2..9cf638e 100644 (file)
--- a/gdb/mem-break.c
+++ b/gdb/mem-break.c
@@ -1,5 +1,8 @@
 /* Simulate breakpoints by patching locations in the target system, for GDB.
-   Copyright 1990, 1991, 1995 Free Software Foundation, Inc.
+
+   Copyright 1990, 1991, 1992, 1993, 1995, 1997, 1998, 1999, 2000,
+   2002 Free Software Foundation, Inc.
+
    Contributed by Cygnus Support.  Written by John Gilmore.
 
    This file is part of GDB.
@@ -39,16 +42,14 @@
    and optionally adjust the pc to point to the correct memory location
    for inserting the breakpoint.  */
 
-unsigned char *
-memory_breakpoint_from_pc (pcptr, lenptr)
-     CORE_ADDR *pcptr;
-     int *lenptr;
+const unsigned char *
+memory_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr)
 {
   /* {BIG_,LITTLE_}BREAKPOINT is the sequence of bytes we insert for a
      breakpoint.  On some machines, breakpoints are handled by the
      target environment and we don't have to worry about them here.  */
 #ifdef BIG_BREAKPOINT
-  if (TARGET_BYTE_ORDER == BIG_ENDIAN)
+  if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
     {
       static unsigned char big_break_insn[] = BIG_BREAKPOINT;
       *lenptr = sizeof (big_break_insn);
@@ -56,7 +57,7 @@ memory_breakpoint_from_pc (pcptr, lenptr)
     }
 #endif
 #ifdef LITTLE_BREAKPOINT
-  if (TARGET_BYTE_ORDER != BIG_ENDIAN)
+  if (TARGET_BYTE_ORDER != BFD_ENDIAN_BIG)
     {
       static unsigned char little_break_insn[] = LITTLE_BREAKPOINT;
       *lenptr = sizeof (little_break_insn);
@@ -84,12 +85,10 @@ memory_breakpoint_from_pc (pcptr, lenptr)
    is accomplished via BREAKPOINT_MAX).  */
 
 int
-default_memory_insert_breakpoint (addr, contents_cache)
-     CORE_ADDR addr;
-     char *contents_cache;
+default_memory_insert_breakpoint (CORE_ADDR addr, char *contents_cache)
 {
   int val;
-  unsigned char *bp;
+  const unsigned char *bp;
   int bplen;
 
   /* Determine appropriate breakpoint contents and size for this address.  */
@@ -109,11 +108,9 @@ default_memory_insert_breakpoint (addr, contents_cache)
 
 
 int
-default_memory_remove_breakpoint (addr, contents_cache)
-     CORE_ADDR addr;
-     char *contents_cache;
+default_memory_remove_breakpoint (CORE_ADDR addr, char *contents_cache)
 {
-  unsigned char *bp;
+  const unsigned char *bp;
   int bplen;
 
   /* Determine appropriate breakpoint contents and size for this address.  */
@@ -125,26 +122,14 @@ default_memory_remove_breakpoint (addr, contents_cache)
 }
 
 
-#if !defined(MEMORY_INSERT_BREAKPOINT)
-#define MEMORY_INSERT_BREAKPOINT(addr, contents_cache) \
-  default_memory_insert_breakpoint(addr, contents_cache)
-#endif
 int
-memory_insert_breakpoint (addr, contents_cache)
-     CORE_ADDR addr;
-     char *contents_cache;
+memory_insert_breakpoint (CORE_ADDR addr, char *contents_cache)
 {
   return MEMORY_INSERT_BREAKPOINT(addr, contents_cache);
 }
 
-#if !defined(MEMORY_REMOVE_BREAKPOINT)
-#define MEMORY_REMOVE_BREAKPOINT(addr, contents_cache) \
-  default_memory_remove_breakpoint(addr, contents_cache)
-#endif
 int
-memory_remove_breakpoint (addr, contents_cache)
-     CORE_ADDR addr;
-     char *contents_cache;
+memory_remove_breakpoint (CORE_ADDR addr, char *contents_cache)
 {
   return MEMORY_REMOVE_BREAKPOINT(addr, contents_cache);
 }