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-rw-r--r--gdb/defs.h34
1 files changed, 31 insertions, 3 deletions
diff --git a/gdb/defs.h b/gdb/defs.h
index 203ffe0..fcfea6c 100644
--- a/gdb/defs.h
+++ b/gdb/defs.h
@@ -163,7 +163,7 @@ extern char *
safe_strsignal PARAMS ((int));
extern void
-init_malloc PARAMS ((PTR));
+init_malloc PARAMS ((void *));
extern void
request_quit PARAMS ((int));
@@ -415,6 +415,18 @@ enum val_prettyprint
#endif /* STDC */
#endif /* volatile */
+#if 1
+#define NORETURN /*nothing*/
+#else /* not 1 */
+/* FIXME: This is bogus. Having "volatile void" mean a function doesn't
+ return is a gcc extension and should be based on #ifdef __GNUC__.
+ Also, as of Sep 93 I'm told gcc is changing the syntax for ansi
+ reasons (so declaring exit here as "volatile void" and as "void" in
+ a system header loses). Using the new "__attributes__ ((noreturn));"
+ syntax would lose for old versions of gcc; using
+ typedef void exit_fn_type PARAMS ((int));
+ volatile exit_fn_type exit;
+ would win. */
/* Some compilers (many AT&T SVR4 compilers for instance), do not accept
declarations of functions that never return (exit for instance) as
"volatile void". For such compilers "NORETURN" can be defined away
@@ -427,6 +439,7 @@ enum val_prettyprint
# define NORETURN volatile
# endif
#endif
+#endif /* not 1 */
/* Defaults for system-wide constants (if not defined by xm.h, we fake it). */
@@ -811,7 +824,10 @@ strerror PARAMS ((int)); /* 4.11.6.2 */
#endif /* Little endian. */
#endif /* BITS_BIG_ENDIAN not defined. */
-/* Swap LEN bytes at BUFFER between target and host byte-order. */
+/* Swap LEN bytes at BUFFER between target and host byte-order. This is
+ the wrong way to do byte-swapping because it assumes that you have a way
+ to have a host variable of exactly the right size.
+ extract_* are the right way. */
#if TARGET_BYTE_ORDER == HOST_BYTE_ORDER
#define SWAP_TARGET_AND_HOST(buffer,len)
#else /* Target and host byte order differ. */
@@ -829,12 +845,24 @@ strerror PARAMS ((int)); /* 4.11.6.2 */
}
#endif /* Target and host byte order differ. */
+/* In findvar.c. */
+LONGEST extract_signed_integer PARAMS ((void *, int));
+unsigned LONGEST extract_unsigned_integer PARAMS ((void *, int));
+CORE_ADDR extract_address PARAMS ((void *, int));
+
+void store_signed_integer PARAMS ((void *, int, LONGEST));
+void store_unsigned_integer PARAMS ((void *, int, unsigned LONGEST));
+void store_address PARAMS ((void *, int, CORE_ADDR));
+
/* On some machines there are bits in addresses which are not really
part of the address, but are used by the kernel, the hardware, etc.
for special purposes. ADDR_BITS_REMOVE takes out any such bits
so we get a "real" address such as one would find in a symbol
table. ADDR_BITS_SET sets those bits the way the system wants
- them. */
+ them. This is used only for addresses of instructions, and even then
+ I'm not sure it's used in all contexts. It exists to deal with there
+ being a few stray bits in the PC which would mislead us, not as some sort
+ of generic thing to handle alignment or segmentation. */
#if !defined (ADDR_BITS_REMOVE)
#define ADDR_BITS_REMOVE(addr) (addr)
#define ADDR_BITS_SET(addr) (addr)